Add YU12 to RGB conversion on Linux

Add support for building shared and static libraries in CMake

.github/workflows/build.yml

@@ -1,18 +1,18 @@
-on: 
-  push:
-  pull_request:
+name: Build
+
+on: workflow_dispatch
 
 jobs:
   macos_x86_64:
     strategy:
       matrix:
-        os: [macos-latest]
+        os: [macos-13]
         arch: [x86_64]
 
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v5
 
       - name: Build
         run: |
@@ -26,31 +26,22 @@ jobs:
           cp build/libopenpnp-capture.dylib deploy/libopenpnp-capture-${{ matrix.os }}-${{ matrix.arch }}.dylib
 
       - name: Upload Artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with: 
+          name: openpnp-capture - ${{ runner.os }} ${{ runner.arch }}
           path: |
             deploy/*
             
-      - name: Create Release
-        if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
-        uses: ncipollo/release-action@v1
-        with:
-            artifacts: "deploy/*"
-            token: ${{ secrets.GITHUB_TOKEN }}
-            allowUpdates: true
-
   macos_arm64: 
     strategy:
       matrix:
-        os: [macos-latest]
+        os: [macos-14]
         arch: [arm64]
 
-    # Currently runs on Jason's Mac using a Github self hosted runner because
-    # Github doesn't yet support runners for Apple Silicon on macOS. 
-    runs-on: [self-hosted, macOS, ARM64]
+    runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v5
 
       - name: Build
         run: |
@@ -64,29 +55,22 @@ jobs:
           cp build/libopenpnp-capture.dylib deploy/libopenpnp-capture-${{ matrix.os }}-${{ matrix.arch }}.dylib
 
       - name: Upload Artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with: 
+          name: openpnp-capture - ${{ runner.os }} ${{ runner.arch }}
           path: |
             deploy/*
             
-      - name: Create Release
-        if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
-        uses: ncipollo/release-action@v1
-        with:
-            artifacts: "deploy/*"
-            token: ${{ secrets.GITHUB_TOKEN }}
-            allowUpdates: true
-
   windows_x86_64: 
     strategy:
       matrix:
-        os: [windows-latest]
+        os: [windows-2022]
         arch: [x86_64]
 
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v5
 
       - name: Visual Studio shell
         uses: egor-tensin/vs-shell@v2
@@ -103,31 +87,22 @@ jobs:
           cp build/Release/openpnp-capture.dll deploy/libopenpnp-capture-${{ matrix.os }}-${{ matrix.arch }}.dll
 
       - name: Upload Artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with: 
+          name: openpnp-capture - ${{ runner.os }} ${{ runner.arch }}
           path: |
             deploy/*
             
-      - name: Create Release
-        if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
-        uses: ncipollo/release-action@v1
-        with:
-            artifacts: "deploy/*"
-            token: ${{ secrets.GITHUB_TOKEN }}
-            allowUpdates: true
-
   linux_arm64: 
     strategy:
       matrix:
-        os: [ubuntu-20.04]
+        os: [ubuntu-22.04-arm]
         arch: [arm64]
 
-    # Currently runs on Jason's Mac using a Github self hosted runner because
-    # Github doesn't yet support runners for Apple Silicon on macOS. 
-    runs-on: [self-hosted, Linux, ARM64]
+    runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v5
 
       - name: "Build"
         run: |
@@ -142,29 +117,22 @@ jobs:
           cp build/libopenpnp-capture.so deploy/libopenpnp-capture-${{ matrix.os }}-${{ matrix.arch }}.so
 
       - name: Upload Artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with: 
+          name: openpnp-capture - ${{ runner.os }} ${{ runner.arch }}
           path: |
             deploy/*
 
-      - name: Create Release
-        if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
-        uses: ncipollo/release-action@v1
-        with:
-            artifacts: "deploy/*"
-            token: ${{ secrets.GITHUB_TOKEN }}
-            allowUpdates: true
-
   linux_x86_64: 
     strategy:
       matrix:
-        os: [ubuntu-20.04]
+        os: [ubuntu-22.04]
         arch: [x86_64]
 
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v2
+        uses: actions/checkout@v5
 
       - name: "Build"
         run: |
@@ -179,15 +147,9 @@ jobs:
           cp build/libopenpnp-capture.so deploy/libopenpnp-capture-${{ matrix.os }}-${{ matrix.arch }}.so
 
       - name: Upload Artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with: 
+          name: openpnp-capture - ${{ runner.os }} ${{ runner.arch }}
           path: |
             deploy/*
 
-      - name: Create Release
-        if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
-        uses: ncipollo/release-action@v1
-        with:
-            artifacts: "deploy/*"
-            token: ${{ secrets.GITHUB_TOKEN }}
-            allowUpdates: true

CMakeLists.txt

@@ -10,17 +10,34 @@
 # Author: Niels A. Moseley, Jason von Nieda
 #
 
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.16)
 project (openpnp-capture)
-set(OPENPNP_CAPTURE_LIB_VERSION "0.0.28" CACHE STRING "openpnp-capture library version")
+set(OPENPNP_CAPTURE_LIB_VERSION "0.0.30" CACHE STRING "openpnp-capture library version")
 set(OPENPNP_CAPTURE_LIB_SOVERSION "0" CACHE STRING "openpnp-capture library soversion")
 
+# Library type options
+option(BUILD_SHARED_LIBS "Build shared library" ON)
+option(BUILD_STATIC_LIBS "Build static library" OFF)
+
+# Validate library type options
+if(BUILD_STATIC_LIBS AND BUILD_SHARED_LIBS)
+    message(WARNING "Both BUILD_STATIC_LIBS and BUILD_SHARED_LIBS are enabled. Building static library only.")
+    set(BUILD_SHARED_LIBS OFF)
+elseif(NOT BUILD_STATIC_LIBS AND NOT BUILD_SHARED_LIBS)
+    message(STATUS "Neither BUILD_STATIC_LIBS nor BUILD_SHARED_LIBS specified. Defaulting to shared library.")
+    set(BUILD_SHARED_LIBS ON)
+endif()
+
 # make sure the libjpegturbo is compiled with the
 # position independent flag -fPIC
 IF (UNIX)
     set(POSITION_INDEPENDENT_CODE TRUE)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
+
+    # Add O3 optimizations and native architecture for release builds
+    set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3 -march=native")
+    set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3 -march=native")
 ENDIF()
 
 # make CMAKE search the current cmake dir inside the
@@ -54,16 +71,25 @@ else(CMAKE_BUILD_TYPE MATCHES Release)
     add_definitions(-D__BUILDTYPE__="debug")
 endif(CMAKE_BUILD_TYPE MATCHES Release)
 
-
-# add include directory 
-include_directories(include)
-
 # create our capture library
-add_library(openpnp-capture SHARED common/libmain.cpp
-                                   common/context.cpp
-                                   common/logging.cpp
-                                   common/stream.cpp)
+if(BUILD_STATIC_LIBS AND NOT BUILD_SHARED_LIBS)
+    set(LIBRARY_TYPE STATIC)
+    add_definitions(-DOPENPNPCAPTURE_STATIC)
+    message(STATUS "Building static library")
+else()
+    set(LIBRARY_TYPE SHARED)
+    message(STATUS "Building shared library")
+endif()
 
+add_library(openpnp-capture ${LIBRARY_TYPE} common/libmain.cpp
+                                           common/context.cpp
+                                           common/logging.cpp
+                                           common/stream.cpp)
+
+target_include_directories(openpnp-capture PUBLIC
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+        $<INSTALL_INTERFACE:include>
+)
 # define common properties
 set_target_properties(openpnp-capture PROPERTIES
                       VERSION ${OPENPNP_CAPTURE_LIB_VERSION}
@@ -125,30 +151,58 @@ ELSEIF(UNIX)
                                            linux/yuvconverters.cpp)
 
     # force include directories for libjpeg-turbo
-    include_directories(SYSTEM "${CMAKE_CURRENT_SOURCE_DIR}/linux/contrib/libjpeg-turbo-dev")
+    include_directories(SYSTEM "${CMAKE_CURRENT_SOURCE_DIR}/linux/contrib/libjpeg-turbo-3.1.2")
 
     # add pthreads library 
     set(THREADS_PREFER_PTHREAD_FLAG ON)
     find_package(Threads REQUIRED)    
-    target_link_libraries(openpnp-capture PUBLIC Threads::Threads)
+    target_link_libraries(openpnp-capture PRIVATE Threads::Threads)
 
     # add turbojpeg library
     find_package(PkgConfig REQUIRED)
     pkg_search_module(TurboJPEG libturbojpeg)
     if( TurboJPEG_FOUND )
-        link_directories(${TurboJPEG_LIBDIR})
-        target_include_directories(openpnp-capture PUBLIC ${TurboJPEG_INCLUDE_DIRS})
-        target_link_libraries(openpnp-capture PUBLIC ${TurboJPEG_LIBRARIES})
-    else()
-        # compile libjpeg-turbo for MJPEG decoding support
-        # right now, we need to disable SIMD because it
-        # causes a compile problem.. we need to fix this
-        # later...
-        set(ENABLE_SHARED OFF)
-        set(WITH_SIMD OFF)    
-        set(TurboJPEG_LIBRARIES turbojpeg-static)  
-        add_subdirectory(linux/contrib/libjpeg-turbo-dev)
+        target_link_directories(openpnp-capture PRIVATE ${TurboJPEG_LIBDIR})
+        target_include_directories(openpnp-capture PRIVATE ${TurboJPEG_INCLUDE_DIRS})
         target_link_libraries(openpnp-capture PRIVATE ${TurboJPEG_LIBRARIES})
+    else()
+        # compile libjpeg-turbo for MJPEG decoding support using ExternalProject
+        include(ExternalProject)
+
+        set(LIBJPEG_TURBO_PREFIX ${CMAKE_CURRENT_BINARY_DIR}/libjpeg-turbo)
+        set(LIBJPEG_TURBO_INSTALL_DIR ${LIBJPEG_TURBO_PREFIX}/install)
+
+        ExternalProject_Add(libjpeg-turbo-external
+            SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/linux/contrib/libjpeg-turbo-3.1.2
+            CMAKE_ARGS
+                -DCMAKE_INSTALL_PREFIX=${LIBJPEG_TURBO_INSTALL_DIR}
+                -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
+                -DENABLE_SHARED=OFF
+                -DWITH_SIMD=ON
+                -DWITH_TOOLS=OFF
+                -DWITH_JAVA=OFF
+                -DCMAKE_C_FLAGS=-fPIC
+                -DCMAKE_CXX_FLAGS=-fPIC
+                -DCMAKE_C_FLAGS_RELEASE=-O3 
+                -DCMAKE_CXX_FLAGS_RELEASE=-O3
+            BUILD_BYPRODUCTS 
+                ${LIBJPEG_TURBO_INSTALL_DIR}/lib/libturbojpeg.a
+        )
+
+        # Create imported target for turbojpeg
+        add_library(turbojpeg-static STATIC IMPORTED)
+        set_target_properties(turbojpeg-static PROPERTIES
+            IMPORTED_LOCATION ${LIBJPEG_TURBO_INSTALL_DIR}/lib/libturbojpeg.a
+        )
+
+        # Set up include directories
+        target_include_directories(openpnp-capture PRIVATE ${LIBJPEG_TURBO_INSTALL_DIR}/include)
+
+        # Make openpnp-capture depend on the external project
+        add_dependencies(openpnp-capture libjpeg-turbo-external)
+        add_dependencies(turbojpeg-static libjpeg-turbo-external)
+
+        target_link_libraries(openpnp-capture PRIVATE turbojpeg-static)
     endif()
 
     # add linux-specific test application

QtCaptureTest/QtCaptureTest.pro

@@ -14,9 +14,6 @@ TEMPLATE = app
 macx:CONFIG -= app_bundle
 #CONFIG += console
 
-# add the openpnp-capture include path
-INCLUDEPATH += ../include
-
 SOURCES += main.cpp\
         mainwindow.cpp
 

README.md

@@ -44,7 +44,7 @@ Documentation for openpnp-capture needs improvement. We would love your [help!](
 
 # Building OpenPnP Capture
 ## Dependencies
-* CMAKE 3.1 or better
+* CMAKE 3.16 or better
 * MAKE (osx, linux)
 * Visual Studio 2013 + NMake or Ninja Build (windows)
 * NASM for building libjpeg-turbo (linux)

README_BUILD.md

@@ -0,0 +1,74 @@
+# Building OpenPnP Capture Library
+
+## Windows Build Options
+
+The bootstrap.bat script now provides multiple build options for Windows:
+
+### Using bootstrap.bat
+
+Run `bootstrap.bat` and choose from the following options:
+
+1. **Visual Studio with NMake (Shared Library - Release)** - Default shared library build
+2. **Visual Studio with Ninja Build (Shared Library - Release)** - Shared library with Ninja
+3. **Visual Studio with NMake (Static Library - Release)** - Static library, Release mode
+4. **Visual Studio with NMake (Static Library - Debug)** - Static library, Debug mode  
+5. **Visual Studio with Ninja Build (Static Library - Release)** - Static library with Ninja, Release
+6. **Visual Studio with Ninja Build (Static Library - Debug)** - Static library with Ninja, Debug
+7. **Exit**
+
+### Manual CMake Configuration
+
+You can also configure the build manually using CMake options:
+
+#### For Shared Library (default):
+```bash
+mkdir build
+cd build
+cmake -DCMAKE_BUILD_TYPE=Release -G "NMake Makefiles" ..
+```
+
+#### For Static Library:
+```bash
+mkdir build
+cd build
+cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF -DBUILD_STATIC_LIBS=ON -G "NMake Makefiles" ..
+```
+
+#### For Debug Static Library:
+```bash
+mkdir build
+cd build
+cmake -DCMAKE_BUILD_TYPE=Debug -DBUILD_SHARED_LIBS=OFF -DBUILD_STATIC_LIBS=ON -G "NMake Makefiles" ..
+```
+
+## CMake Options
+
+- `BUILD_SHARED_LIBS`: Build shared library (default: ON)
+- `BUILD_STATIC_LIBS`: Build static library (default: OFF)
+
+**Note**: If both options are enabled, the build will default to static library with a warning.
+
+## Usage in Your Project
+
+### When Using Static Library
+
+When linking against the static library, make sure to define `OPENPNPCAPTURE_STATIC` in your project to ensure correct symbol linkage:
+
+```cpp
+#define OPENPNPCAPTURE_STATIC
+#include "openpnp-capture.h"
+```
+
+Or add it as a compile definition in your CMakeLists.txt:
+
+```cmake
+target_compile_definitions(your_target PRIVATE OPENPNPCAPTURE_STATIC)
+```
+
+### When Using Shared Library
+
+No special definitions are needed for shared library usage:
+
+```cpp
+#include "openpnp-capture.h"
+```

bootstrap.bat

@@ -1,13 +1,21 @@
 @ECHO OFF
 ECHO Please choose build system:
-ECHO 1. Visual Studio with NMake
-ECHO 2. Visual Studio with Ninja Build
-ECHO 3. Exit
+ECHO 1. Visual Studio with NMake (Shared Library - Release)
+ECHO 2. Visual Studio with Ninja Build (Shared Library - Release)
+ECHO 3. Visual Studio with NMake (Static Library - Release)
+ECHO 4. Visual Studio with NMake (Static Library - Debug)
+ECHO 5. Visual Studio with Ninja Build (Static Library - Release)
+ECHO 6. Visual Studio with Ninja Build (Static Library - Debug)
+ECHO 7. Exit
 ECHO .
 
-CHOICE /C 123 /M "Enter your choice:"
+CHOICE /C 1234567 /M "Enter your choice:"
 
-IF ERRORLEVEL 3 GOTO End
+IF ERRORLEVEL 7 GOTO End
+IF ERRORLEVEL 6 GOTO NinjaStaticDebug
+IF ERRORLEVEL 5 GOTO NinjaStaticRelease
+IF ERRORLEVEL 4 GOTO VSStaticDebug
+IF ERRORLEVEL 3 GOTO VSStaticRelease
 IF ERRORLEVEL 2 GOTO NinjaBuild
 IF ERRORLEVEL 1 GOTO VS
 
@@ -25,4 +33,32 @@ cmake -DCMAKE_BUILD_TYPE=Release -G "Ninja" ..
 cd .. 
 GOTO End
 
+:VSStaticRelease
+mkdir build
+cd build
+cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF -DBUILD_STATIC_LIBS=ON -G "NMake Makefiles" ..
+cd ..
+GOTO End
+
+:VSStaticDebug
+mkdir build
+cd build
+cmake -DCMAKE_BUILD_TYPE=Debug -DBUILD_SHARED_LIBS=OFF -DBUILD_STATIC_LIBS=ON -G "NMake Makefiles" ..
+cd ..
+GOTO End
+
+:NinjaStaticRelease
+mkdir build
+cd build
+cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_SHARED_LIBS=OFF -DBUILD_STATIC_LIBS=ON -G "Ninja" ..
+cd ..
+GOTO End
+
+:NinjaStaticDebug
+mkdir build
+cd build
+cmake -DCMAKE_BUILD_TYPE=Debug -DBUILD_SHARED_LIBS=OFF -DBUILD_STATIC_LIBS=ON -G "Ninja" ..
+cd ..
+GOTO End
+
 :End

common/context.cpp

@@ -166,14 +166,7 @@ int32_t Context::openStream(CapDeviceID id, CapFormatID formatID)
     }
     else
     {
-        printf("[DBG ] FOURCC = ");
-        uint32_t fcc = s->getFOURCC();
-        for(uint32_t i=0; i<4; i++)
-        {            
-            printf("%c", (fcc & 0xff));
-            fcc >>= 8;
-        }
-        printf("\n");
+        LOG(LOG_DEBUG, "FOURCC = %s\n", fourCCToString(s->getFOURCC()).c_str());
     }
 
     int32_t streamID = storeStream(s);
@@ -205,9 +198,9 @@ uint32_t Context::isOpenStream(int32_t streamID)
         return 0;
     }    
 
-    if (static_cast<uint32_t>(streamID) >= m_streams.size())
+    if (m_streams.find(streamID) == m_streams.cend())
     {
-        LOG(LOG_ERR, "isOpenStream was called with an out-of-bounds stream ID\n");
+        LOG(LOG_ERR, "isOpenStream was called with an invalid stream ID\n");
         return 0;        
     }
 

include/openpnp-capture.h

@@ -42,8 +42,13 @@
     #define SO_IMPORT
     #define SO_EXPORT
 #elif defined(_MSC_VER)
-    #define SO_IMPORT __declspec(dllimport)
-    #define SO_EXPORT __declspec(dllexport)
+    #ifndef OPENPNPCAPTURE_STATIC
+        #define SO_IMPORT __declspec(dllimport)
+        #define SO_EXPORT __declspec(dllexport)
+    #else
+        #define SO_IMPORT
+        #define SO_EXPORT
+    #endif
 #else
     #error("Unknown compiler")
 #endif

linux/contrib/README.md

@@ -1,5 +1,5 @@
-The libjpeg-turbo-dev was downloaded from GITHUB:
+The libjpeg-turbo source was downloaded from GITHUB:
 
-https://github.com/libjpeg-turbo/libjpeg-turbo/tree/dev
+https://github.com/libjpeg-turbo/libjpeg-turbo/
 
-on 28-9-2017.
+on 21-10-2025.

linux/contrib/libjpeg-turbo-3.1.2/BUILDING.md

@@ -8,32 +8,28 @@ Build Requirements
 
 ### All Systems
 
-- [CMake](http://www.cmake.org) v2.8.12 or later
+- [CMake](https://cmake.org) v2.8.12 or later
 
-- [NASM](http://www.nasm.us) or [YASM](http://yasm.tortall.net)
+- [NASM](https://nasm.us) or [Yasm](https://yasm.tortall.net)
   (if building x86 or x86-64 SIMD extensions)
-  * If using NASM, 2.10 or later is required.
-  * If using NASM, 2.10 or later (except 2.11.08) is required for an x86-64 Mac
-    build (2.11.08 does not work properly with libjpeg-turbo's x86-64 SIMD code
-    when building macho64 objects.)  NASM or YASM can be obtained from
-    [MacPorts](http://www.macports.org/) or [Homebrew](http://brew.sh/).
-  * If using YASM, 1.2.0 or later is required.
-  * If building on Windows, **nasm.exe**/**yasm.exe** should be in your `PATH`.
-
-  The binary RPMs released by the NASM project do not work on older Linux
-  systems, such as Red Hat Enterprise Linux 5.  On such systems, you can easily
-  build and install NASM from a source RPM by downloading one of the SRPMs from
-
-  <http://www.nasm.us/pub/nasm/releasebuilds>
-
-  and executing the following as root:
-
-        ARCH=`uname -m`
-        rpmbuild --rebuild nasm-{version}.src.rpm
-        rpm -Uvh /usr/src/redhat/RPMS/$ARCH/nasm-{version}.$ARCH.rpm
-
-  NOTE: the NASM build will fail if texinfo is not installed.
-
+  * If using NASM, 2.13 or later is required.
+  * If using Yasm, 1.2.0 or later is required.
+  * NASM 2.15 or later is required if building libjpeg-turbo with Intel
+    Control-flow Enforcement Technology (CET) support.
+  * If building on macOS, NASM or Yasm can be obtained from
+    [MacPorts](https://macports.org) or [Homebrew](https://brew.sh).
+     - NOTE: Currently, if it is desirable to hide the SIMD function symbols in
+       Mac executables or shared libraries that statically link with
+       libjpeg-turbo, then NASM 2.14 or later or Yasm must be used when
+       building libjpeg-turbo.
+  * If NASM or Yasm is not in your `PATH`, then you can specify the full path
+    to the assembler by using either the `CMAKE_ASM_NASM_COMPILER` CMake
+    variable or the `ASM_NASM` environment variable.  On Windows, use forward
+    slashes rather than backslashes in the path (for example,
+    **c:/nasm/nasm.exe**).
+  * NASM and Yasm are located in the CRB (Code Ready Builder) or PowerTools
+    repository on Red Hat Enterprise Linux 8+ and derivatives, which is not
+    enabled by default.
 
 ### Un*x Platforms (including Linux, Mac, FreeBSD, Solaris, and Cygwin)
 
@@ -41,46 +37,56 @@ Build Requirements
 
 - If building the TurboJPEG Java wrapper, JDK or OpenJDK 1.5 or later is
   required.  Most modern Linux distributions, as well as Solaris 10 and later,
-  include JDK or OpenJDK.  On OS X 10.5 and 10.6, it will be necessary to
-  install the Java Developer Package, which can be downloaded from
-  <http://developer.apple.com/downloads> (Apple ID required.)  For other
-  systems, you can obtain the Oracle Java Development Kit from
-  <http://www.java.com>.
+  include JDK or OpenJDK.  For other systems, you can obtain the Oracle Java
+  Development Kit from
+  <https://oracle.com/java/technologies/downloads>.
 
+  * If using JDK 11 or later, CMake 3.10.x or later must also be used.
 
 ### Windows
 
 - Microsoft Visual C++ 2005 or later
 
   If you don't already have Visual C++, then the easiest way to get it is by
-  installing the
-  [Windows SDK](http://msdn.microsoft.com/en-us/windows/bb980924.aspx).
-  The Windows SDK includes both 32-bit and 64-bit Visual C++ compilers and
-  everything necessary to build libjpeg-turbo.
+  installing
+  [Visual Studio Community Edition](https://visualstudio.microsoft.com),
+  which includes everything necessary to build libjpeg-turbo.
 
-  * You can also use Microsoft Visual Studio Express/Community Edition, which
-    is a free download.  (NOTE: versions prior to 2012 can only be used to
-    build 32-bit code.)
+  * You can also download and install the standalone Windows SDK (for Windows 7
+    or later), which includes command-line versions of the 32-bit and 64-bit
+    Visual C++ compilers.
   * If you intend to build libjpeg-turbo from the command line, then add the
     appropriate compiler and SDK directories to the `INCLUDE`, `LIB`, and
     `PATH` environment variables.  This is generally accomplished by
-    executing `vcvars32.bat` or `vcvars64.bat` and `SetEnv.cmd`.
-    `vcvars32.bat` and `vcvars64.bat` are part of Visual C++ and are located in
-    the same directory as the compiler.  `SetEnv.cmd` is part of the Windows
-    SDK.  You can pass optional arguments to `SetEnv.cmd` to specify a 32-bit
-    or 64-bit build environment.
+    executing `vcvars32.bat` or `vcvars64.bat`, which are located in the same
+    directory as the compiler.
+  * If built with Visual C++ 2015 or later, the libjpeg-turbo static libraries
+    cannot be used with earlier versions of Visual C++, and vice versa.
+  * The libjpeg API DLL (**jpeg{version}.dll**) will depend on the C run-time
+    DLLs corresponding to the version of Visual C++ that was used to build it.
 
    ... OR ...
 
 - MinGW
 
-  [MSYS2](http://msys2.github.io/) or [tdm-gcc](http://tdm-gcc.tdragon.net/)
+  [MSYS2](https://msys2.org) or [tdm-gcc](https://jmeubank.github.io/tdm-gcc)
   recommended if building on a Windows machine.  Both distributions install a
   Start Menu link that can be used to launch a command prompt with the
   appropriate compiler paths automatically set.
 
 - If building the TurboJPEG Java wrapper, JDK 1.5 or later is required.  This
-  can be downloaded from <http://www.java.com>.
+  can be downloaded from
+  <https://oracle.com/java/technologies/downloads>.
+
+  * If using JDK 11 or later, CMake 3.10.x or later must also be used.
+
+
+Sub-Project Builds
+------------------
+
+The libjpeg-turbo build system does not support being included as a sub-project
+using the CMake `add_subdirectory()` function.  Use the CMake
+`ExternalProject_Add()` function instead.
 
 
 Out-of-Tree Builds
@@ -96,6 +102,14 @@ directory, whereas *{source_directory}* refers to the libjpeg-turbo source
 directory.  For in-tree builds, these directories are the same.
 
 
+Ninja
+-----
+
+If using Ninja, then replace `make` or `nmake` with `ninja`, and replace the
+CMake generator (specified with the `-G` option) with `Ninja`, in all of the
+procedures and recipes below.
+
+
 Build Procedure
 ---------------
 
@@ -276,15 +290,6 @@ API/ABI-compatible with libjpeg v8.  See [README.md](README.md) for more
 information about libjpeg v7 and v8 emulation.
 
 
-### In-Memory Source/Destination Managers
-
-When using libjpeg v6b or v7 API/ABI emulation, add `-DWITH_MEM_SRCDST=0` to
-the CMake command line to build a version of libjpeg-turbo that lacks the
-`jpeg_mem_src()` and `jpeg_mem_dest()` functions.  These functions were not
-part of the original libjpeg v6b and v7 APIs, so removing them ensures strict
-conformance with those APIs.  See [README.md](README.md) for more information.
-
-
 ### Arithmetic Coding Support
 
 Since the patent on arithmetic coding has expired, this functionality has been
@@ -321,7 +326,7 @@ Build Recipes
 -------------
 
 
-### 32-bit Build on 64-bit Linux/Unix/Mac
+### 32-bit Build on 64-bit Linux/Unix
 
 Use export/setenv to set the following environment variables before running
 CMake:
@@ -360,9 +365,13 @@ located (usually **/usr/bin**.)  Next, execute the following commands:
 
     cd {build_directory}
     cmake -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake \
+      -DCMAKE_INSTALL_PREFIX={install_path} \
       [additional CMake flags] {source_directory}
     make
 
+*{install\_path}* is the path under which the libjpeg-turbo binaries should be
+installed.
+
 
 ### 64-bit MinGW Build on Un*x (including Mac and Cygwin)
 
@@ -379,211 +388,106 @@ located (usually **/usr/bin**.)  Next, execute the following commands:
 
     cd {build_directory}
     cmake -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake \
+      -DCMAKE_INSTALL_PREFIX={install_path} \
       [additional CMake flags] {source_directory}
     make
 
+*{install\_path}* is the path under which the libjpeg-turbo binaries should be
+installed.
+
 
 Building libjpeg-turbo for iOS
 ------------------------------
 
-iOS platforms, such as the iPhone and iPad, use ARM processors, and all
-currently supported models include NEON instructions.  Thus, they can take
+iOS platforms, such as the iPhone and iPad, use Arm processors, and all
+currently supported models include Neon instructions.  Thus, they can take
 advantage of libjpeg-turbo's SIMD extensions to significantly accelerate JPEG
 compression/decompression.  This section describes how to build libjpeg-turbo
 for these platforms.
 
 
-### Additional build requirements
+### Armv8 (64-bit)
 
-- For configurations that require [gas-preprocessor.pl]
-  (https://raw.githubusercontent.com/libjpeg-turbo/gas-preprocessor/master/gas-preprocessor.pl),
-  it should be installed in your `PATH`.
-
-
-### ARMv7 (32-bit)
-
-**gas-preprocessor.pl required**
-
-The following scripts demonstrate how to build libjpeg-turbo to run on the
-iPhone 3GS-4S/iPad 1st-3rd Generation and newer:
-
-#### Xcode 4.2 and earlier (LLVM-GCC)
-
-    IOS_PLATFORMDIR=/Developer/Platforms/iPhoneOS.platform
-    IOS_SYSROOT=($IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk)
-    export CFLAGS="-mfloat-abi=softfp -march=armv7 -mcpu=cortex-a8 -mtune=cortex-a8 -mfpu=neon -miphoneos-version-min=3.0"
-
-    cat <<EOF >toolchain.cmake
-    set(CMAKE_SYSTEM_NAME Darwin)
-    set(CMAKE_SYSTEM_PROCESSOR arm)
-    set(CMAKE_C_COMPILER ${IOS_PLATFORMDIR}/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2)
-    EOF
-
-    cd {build_directory}
-    cmake -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake \
-      -DCMAKE_OSX_SYSROOT=${IOS_SYSROOT[0]} \
-      [additional CMake flags] {source_directory}
-    make
-
-#### Xcode 4.3-4.6 (LLVM-GCC)
-
-Same as above, but replace the first line with:
-
-    IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
-
-#### Xcode 5 and later (Clang)
-
-    IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
-    IOS_SYSROOT=($IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk)
-    export CFLAGS="--mfloat-abi=softfp -arch armv7 -miphoneos-version-min=3.0"
-    export ASMFLAGS="-no-integrated-as"
-
-    cat <<EOF >toolchain.cmake
-    set(CMAKE_SYSTEM_NAME Darwin)
-    set(CMAKE_SYSTEM_PROCESSOR arm)
-    set(CMAKE_C_COMPILER /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang)
-    EOF
-
-    cd {build_directory}
-    cmake -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake \
-      -DCMAKE_OSX_SYSROOT=${IOS_SYSROOT[0]} \
-      [additional CMake flags] {source_directory}
-    make
-
-
-### ARMv7s (32-bit)
-
-**gas-preprocessor.pl required**
-
-The following scripts demonstrate how to build libjpeg-turbo to run on the
-iPhone 5/iPad 4th Generation and newer:
-
-#### Xcode 4.5-4.6 (LLVM-GCC)
-
-    IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
-    IOS_SYSROOT=($IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk)
-    export CFLAGS="-Wall -mfloat-abi=softfp -march=armv7s -mcpu=swift -mtune=swift -mfpu=neon -miphoneos-version-min=6.0"
-
-    cat <<EOF >toolchain.cmake
-    set(CMAKE_SYSTEM_NAME Darwin)
-    set(CMAKE_SYSTEM_PROCESSOR arm)
-    set(CMAKE_C_COMPILER ${IOS_PLATFORMDIR}/Developer/usr/bin/arm-apple-darwin10-llvm-gcc-4.2)
-    EOF
-
-    cd {build_directory}
-    cmake -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake \
-      -DCMAKE_OSX_SYSROOT=${IOS_SYSROOT[0]} \
-      [additional CMake flags] {source_directory}
-    make
-
-#### Xcode 5 and later (Clang)
-
-Same as the ARMv7 build procedure for Xcode 5 and later, except replace the
-compiler flags as follows:
-
-    export CFLAGS="-Wall -mfloat-abi=softfp -arch armv7s -miphoneos-version-min=6.0"
-
-
-### ARMv8 (64-bit)
-
-**gas-preprocessor.pl required if using Xcode < 6**
+**Xcode 5 or later required, Xcode 6.3.x or later recommended**
 
 The following script demonstrates how to build libjpeg-turbo to run on the
 iPhone 5S/iPad Mini 2/iPad Air and newer.
 
     IOS_PLATFORMDIR=/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform
     IOS_SYSROOT=($IOS_PLATFORMDIR/Developer/SDKs/iPhoneOS*.sdk)
-    export CFLAGS="-Wall -arch arm64 -miphoneos-version-min=7.0 -funwind-tables"
-
-    cat <<EOF >toolchain.cmake
-    set(CMAKE_SYSTEM_NAME Darwin)
-    set(CMAKE_SYSTEM_PROCESSOR aarch64)
-    set(CMAKE_C_COMPILER /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang)
-    EOF
+    export CFLAGS="-Wall -miphoneos-version-min=8.0 -funwind-tables"
 
     cd {build_directory}
-    cmake -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake \
+
+    cmake -G"Unix Makefiles" \
+      -DCMAKE_C_COMPILER=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang \
+      -DCMAKE_OSX_ARCHITECTURES=arm64 \
       -DCMAKE_OSX_SYSROOT=${IOS_SYSROOT[0]} \
       [additional CMake flags] {source_directory}
     make
 
-Once built, lipo can be used to combine the ARMv7, v7s, and/or v8 variants into
-a universal library.
+Replace `iPhoneOS` with `iPhoneSimulator` and `-miphoneos-version-min` with
+`-miphonesimulator-version-min` to build libjpeg-turbo for the iOS simulator on
+Macs with Apple silicon CPUs.
 
 
 Building libjpeg-turbo for Android
 ----------------------------------
 
-Building libjpeg-turbo for Android platforms requires the
-[Android NDK](https://developer.android.com/tools/sdk/ndk).
+Building libjpeg-turbo for Android platforms requires v13b or later of the
+[Android NDK](https://developer.android.com/ndk).
 
 
-### ARMv7 (32-bit)
+### Armv7 (32-bit)
+
+**NDK r19 or later with Clang recommended**
 
 The following is a general recipe script that can be modified for your specific
 needs.
 
     # Set these variables to suit your needs
-    NDK_PATH={full path to the "ndk" directory-- for example, /opt/android/sdk/ndk-bundle}
-    BUILD_PLATFORM={the platform name for the NDK package you installed--
-      for example, "windows-x86" or "linux-x86_64" or "darwin-x86_64"}
-    TOOLCHAIN_VERSION={"4.8", "4.9", "clang3.5", etc.  This corresponds to a
-      toolchain directory under ${NDK_PATH}/toolchains/.}
-    ANDROID_VERSION={The minimum version of Android to support-- for example,
+    NDK_PATH={full path to the NDK directory-- for example,
+      /opt/android/android-ndk-r16b}
+    TOOLCHAIN={"gcc" or "clang"-- "gcc" must be used with NDK r16b and earlier,
+      and "clang" must be used with NDK r17c and later}
+    ANDROID_VERSION={the minimum version of Android to support-- for example,
       "16", "19", etc.}
 
-    # It should not be necessary to modify the rest
-    HOST=arm-linux-androideabi
-    SYSROOT=${NDK_PATH}/platforms/android-${ANDROID_VERSION}/arch-arm
-    export CFLAGS="-march=armv7-a -mfloat-abi=softfp -fprefetch-loop-arrays --sysroot=${SYSROOT}"
-    export LDFLAGS=-pie
-    TOOLCHAIN=${NDK_PATH}/toolchains/${HOST}-${TOOLCHAIN_VERSION}/prebuilt/${BUILD_PLATFORM}
-
-    cat <<EOF >toolchain.cmake
-    set(CMAKE_SYSTEM_NAME Linux)
-    set(CMAKE_SYSTEM_PROCESSOR arm)
-    set(CMAKE_C_COMPILER ${TOOLCHAIN}/bin/${HOST}-gcc)
-    set(CMAKE_FIND_ROOT_PATH ${TOOLCHAIN}/${HOST})
-    EOF
-
     cd {build_directory}
-    cmake -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake \
-      -DCMAKE_POSITION_INDEPENDENT_CODE=1 \
+    cmake -G"Unix Makefiles" \
+      -DANDROID_ABI=armeabi-v7a \
+      -DANDROID_ARM_MODE=arm \
+      -DANDROID_PLATFORM=android-${ANDROID_VERSION} \
+      -DANDROID_TOOLCHAIN=${TOOLCHAIN} \
+      -DCMAKE_ASM_FLAGS="--target=arm-linux-androideabi${ANDROID_VERSION}" \
+      -DCMAKE_TOOLCHAIN_FILE=${NDK_PATH}/build/cmake/android.toolchain.cmake \
       [additional CMake flags] {source_directory}
     make
 
 
-### ARMv8 (64-bit)
+### Armv8 (64-bit)
+
+**Clang recommended**
 
 The following is a general recipe script that can be modified for your specific
 needs.
 
     # Set these variables to suit your needs
-    NDK_PATH={full path to the "ndk" directory-- for example, /opt/android/sdk/ndk-bundle}
-    BUILD_PLATFORM={the platform name for the NDK package you installed--
-      for example, "windows-x86" or "linux-x86_64" or "darwin-x86_64"}
-    TOOLCHAIN_VERSION={"4.8", "4.9", "clang3.5", etc.  This corresponds to a
-      toolchain directory under ${NDK_PATH}/toolchains/.}
-    ANDROID_VERSION={The minimum version of Android to support.  "21" or later
+    NDK_PATH={full path to the NDK directory-- for example,
+      /opt/android/android-ndk-r16b}
+    TOOLCHAIN={"gcc" or "clang"-- "gcc" must be used with NDK r14b and earlier,
+      and "clang" must be used with NDK r17c and later}
+    ANDROID_VERSION={the minimum version of Android to support.  "21" or later
       is required for a 64-bit build.}
 
-    # It should not be necessary to modify the rest
-    HOST=aarch64-linux-android
-    SYSROOT=${NDK_PATH}/platforms/android-${ANDROID_VERSION}/arch-arm64
-    export CFLAGS="--sysroot=${SYSROOT}"
-    export LDFLAGS=-pie
-    TOOLCHAIN=${NDK_PATH}/toolchains/${HOST}-${TOOLCHAIN_VERSION}/prebuilt/${BUILD_PLATFORM}
-
-    cat <<EOF >toolchain.cmake
-    set(CMAKE_SYSTEM_NAME Linux)
-    set(CMAKE_SYSTEM_PROCESSOR aarch64)
-    set(CMAKE_C_COMPILER ${TOOLCHAIN}/bin/${HOST}-gcc)
-    set(CMAKE_FIND_ROOT_PATH ${TOOLCHAIN}/${HOST})
-    EOF
-
     cd {build_directory}
-    cmake -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake \
-      -DCMAKE_POSITION_INDEPENDENT_CODE=1 \
+    cmake -G"Unix Makefiles" \
+      -DANDROID_ABI=arm64-v8a \
+      -DANDROID_ARM_MODE=arm \
+      -DANDROID_PLATFORM=android-${ANDROID_VERSION} \
+      -DANDROID_TOOLCHAIN=${TOOLCHAIN} \
+      -DCMAKE_ASM_FLAGS="--target=aarch64-linux-android${ANDROID_VERSION}" \
+      -DCMAKE_TOOLCHAIN_FILE=${NDK_PATH}/build/cmake/android.toolchain.cmake \
       [additional CMake flags] {source_directory}
     make
 
@@ -594,31 +498,19 @@ The following is a general recipe script that can be modified for your specific
 needs.
 
     # Set these variables to suit your needs
-    NDK_PATH={full path to the "ndk" directory-- for example, /opt/android/sdk/ndk-bundle}
-    BUILD_PLATFORM={the platform name for the NDK package you installed--
-      for example, "windows-x86" or "linux-x86_64" or "darwin-x86_64"}
-    TOOLCHAIN_VERSION={"4.8", "4.9", "clang3.5", etc.  This corresponds to a
-      toolchain directory under ${NDK_PATH}/toolchains/.}
+    NDK_PATH={full path to the NDK directory-- for example,
+      /opt/android/android-ndk-r16b}
+    TOOLCHAIN={"gcc" or "clang"-- "gcc" must be used with NDK r14b and earlier,
+      and "clang" must be used with NDK r17c and later}
     ANDROID_VERSION={The minimum version of Android to support-- for example,
       "16", "19", etc.}
 
-    # It should not be necessary to modify the rest
-    HOST=i686-linux-android
-    SYSROOT=${NDK_PATH}/platforms/android-${ANDROID_VERSION}/arch-x86
-    export CFLAGS="--sysroot=${SYSROOT}"
-    export LDFLAGS=-pie
-    TOOLCHAIN=${NDK_PATH}/toolchains/x86-${TOOLCHAIN_VERSION}/prebuilt/${BUILD_PLATFORM}
-
-    cat <<EOF >toolchain.cmake
-    set(CMAKE_SYSTEM_NAME Linux)
-    set(CMAKE_SYSTEM_PROCESSOR i386)
-    set(CMAKE_C_COMPILER ${TOOLCHAIN}/bin/${HOST}-gcc)
-    set(CMAKE_FIND_ROOT_PATH ${TOOLCHAIN}/${HOST})
-    EOF
-
     cd {build_directory}
-    cmake -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake \
-      -DCMAKE_POSITION_INDEPENDENT_CODE=1 \
+    cmake -G"Unix Makefiles" \
+      -DANDROID_ABI=x86 \
+      -DANDROID_PLATFORM=android-${ANDROID_VERSION} \
+      -DANDROID_TOOLCHAIN=${TOOLCHAIN} \
+      -DCMAKE_TOOLCHAIN_FILE=${NDK_PATH}/build/cmake/android.toolchain.cmake \
       [additional CMake flags] {source_directory}
     make
 
@@ -629,40 +521,23 @@ The following is a general recipe script that can be modified for your specific
 needs.
 
     # Set these variables to suit your needs
-    NDK_PATH={full path to the "ndk" directory-- for example, /opt/android/sdk/ndk-bundle}
-    BUILD_PLATFORM={the platform name for the NDK package you installed--
-      for example, "windows-x86" or "linux-x86_64" or "darwin-x86_64"}
-    TOOLCHAIN_VERSION={"4.8", "4.9", "clang3.5", etc.  This corresponds to a
-      toolchain directory under ${NDK_PATH}/toolchains/.}
-    ANDROID_VERSION={The minimum version of Android to support.  "21" or later
+    NDK_PATH={full path to the NDK directory-- for example,
+      /opt/android/android-ndk-r16b}
+    TOOLCHAIN={"gcc" or "clang"-- "gcc" must be used with NDK r14b and earlier,
+      and "clang" must be used with NDK r17c and later}
+    ANDROID_VERSION={the minimum version of Android to support.  "21" or later
       is required for a 64-bit build.}
 
-    # It should not be necessary to modify the rest
-    HOST=x86_64-linux-android
-    SYSROOT=${NDK_PATH}/platforms/android-${ANDROID_VERSION}/arch-x86_64
-    export CFLAGS="--sysroot=${SYSROOT}"
-    export LDFLAGS=-pie
-    TOOLCHAIN=${NDK_PATH}/toolchains/x86_64-${TOOLCHAIN_VERSION}/prebuilt/${BUILD_PLATFORM}
-
-    cat <<EOF >toolchain.cmake
-    set(CMAKE_SYSTEM_NAME Linux)
-    set(CMAKE_SYSTEM_PROCESSOR x86_64)
-    set(CMAKE_C_COMPILER ${TOOLCHAIN}/bin/${HOST}-gcc)
-    set(CMAKE_FIND_ROOT_PATH ${TOOLCHAIN}/${HOST})
-    EOF
-
     cd {build_directory}
-    cmake -G"Unix Makefiles" -DCMAKE_TOOLCHAIN_FILE=toolchain.cmake \
-      -DCMAKE_POSITION_INDEPENDENT_CODE=1 \
+    cmake -G"Unix Makefiles" \
+      -DANDROID_ABI=x86_64 \
+      -DANDROID_PLATFORM=android-${ANDROID_VERSION} \
+      -DANDROID_TOOLCHAIN=${TOOLCHAIN} \
+      -DCMAKE_TOOLCHAIN_FILE=${NDK_PATH}/build/cmake/android.toolchain.cmake \
       [additional CMake flags] {source_directory}
     make
 
 
-If building for Android 4.0.x (API level < 16) or earlier, remove
-`-DCMAKE_POSITION_INDEPENDENT_CODE=1` from the CMake arguments and `-pie` from
-`LDFLAGS`.
-
-
 Advanced CMake Options
 ----------------------
 
@@ -728,15 +603,6 @@ brackets, then its final value will depend on the final value of that other
 variable.  For instance, the default value of `CMAKE_INSTALL_MANDIR` is
 **\<CMAKE\_INSTALL\_DATAROOTDIR\>/man**.
 
-NOTE: If setting one of these directory variables to a relative path using the
-CMake command line, you must specify that the variable is of type `PATH`.
-For example:
-
-    cmake -G"{generator type}" -DCMAKE_INSTALL_LIBDIR:PATH=lib {source_directory}
-
-Otherwise, CMake will assume that the path is relative to the build directory
-rather than the install directory.
-
 
 Creating Distribution Packages
 ==============================
@@ -768,44 +634,24 @@ Mac
     make dmg
 
 Create Mac package/disk image.  This requires pkgbuild and productbuild, which
-are installed by default on OS X 10.7 and later and which can be obtained by
-installing Xcode 3.2.6 (with the "Unix Development" option) on OS X 10.6.
-Packages built in this manner can be installed on OS X 10.5 and later, but they
-must be built on OS X 10.6 or later.
+are installed by default on OS X/macOS 10.7 and later.
 
-    make udmg
+In order to create a Mac package/disk image that contains universal
+x86-64/Arm binaries, set the following CMake variable:
 
-This creates a Mac package/disk image that contains universal x86-64/i386/ARM
-binaries.  The following CMake variables control which architectures are
-included in the universal binaries.  Setting any of these variables to an empty
-string excludes that architecture from the package.
+* `SECONDARY_BUILD`: Directory containing a cross-compiled x86-64 or Armv8
+  (64-bit) iOS or macOS build of libjpeg-turbo to include in the universal
+  binaries
 
-* `OSX_32BIT_BUILD`: Directory containing an i386 (32-bit) Mac build of
-  libjpeg-turbo (default: *{source_directory}*/osxx86)
-* `IOS_ARMV7_BUILD`: Directory containing an ARMv7 (32-bit) iOS build of
-  libjpeg-turbo (default: *{source_directory}*/iosarmv7)
-* `IOS_ARMV7S_BUILD`: Directory containing an ARMv7s (32-bit) iOS build of
-  libjpeg-turbo (default: *{source_directory}*/iosarmv7s)
-* `IOS_ARMV8_BUILD`: Directory containing an ARMv8 (64-bit) iOS build of
-  libjpeg-turbo (default: *{source_directory}*/iosarmv8)
-
-You should first use CMake to configure i386, ARMv7, ARMv7s, and/or ARMv8
-sub-builds of libjpeg-turbo (see "Build Recipes" and "Building libjpeg-turbo
-for iOS" above) in build directories that match those specified in the
-aforementioned CMake variables.  Next, configure the primary build of
-libjpeg-turbo as an out-of-tree build, and build it.  Once the primary build
-has been built, run `make udmg` from the build directory.  The packaging system
-will build the sub-builds, use lipo to combine them into a single set of
-universal binaries, then package the universal binaries in the same manner as
-`make dmg`.
-
-
-Cygwin
-------
-
-    make cygwinpkg
-
-Build a Cygwin binary package.
+You should first use CMake to configure the cross-compiled x86-64 or Armv8
+secondary build of libjpeg-turbo (see "Building libjpeg-turbo for iOS" above,
+if applicable) in a build directory that matches the one specified in the
+aforementioned CMake variable.  Next, configure the primary (native) build of
+libjpeg-turbo as an out-of-tree build, specifying the aforementioned CMake
+variable, and build it.  Once the primary build has been built, run `make dmg`
+from the build directory.  The packaging system will build the secondary build,
+use lipo to combine it with the primary build into a single set of universal
+binaries, then package the universal binaries.
 
 
 Windows
@@ -830,7 +676,7 @@ as the configuration you built (such as *{build_directory}*\Debug\ or
 *{build_directory}*\Release\).
 
 Building a Windows installer requires the
-[Nullsoft Install System](http://nsis.sourceforge.net/).  makensis.exe should
+[Nullsoft Install System](https://nsis.sourceforge.io).  makensis.exe should
 be in your `PATH`.
 
 

linux/contrib/libjpeg-turbo-3.1.2/LICENSE.md

@@ -1,30 +1,33 @@
 libjpeg-turbo Licenses
 ======================
 
-libjpeg-turbo is covered by three compatible BSD-style open source licenses:
+libjpeg-turbo is covered by two compatible BSD-style open source licenses:
 
 - The IJG (Independent JPEG Group) License, which is listed in
   [README.ijg](README.ijg)
 
-  This license applies to the libjpeg API library and associated programs
-  (any code inherited from libjpeg, and any modifications to that code.)
+  This license applies to the libjpeg API library and associated programs,
+  including any code inherited from libjpeg and any modifications to that
+  code.  Note that the libjpeg-turbo SIMD source code bears the
+  [zlib License](https://opensource.org/licenses/Zlib), but in the context of
+  the overall libjpeg API library, the terms of the zlib License are subsumed
+  by the terms of the IJG License.
 
 - The Modified (3-clause) BSD License, which is listed below
 
-  This license covers the TurboJPEG API library and associated programs, as
-  well as the build system.
-
-- The zlib License, which is listed below
-
-  This license is a subset of the other two, and it covers the libjpeg-turbo
-  SIMD extensions.
+  This license applies to the TurboJPEG API library and associated programs, as
+  well as the build system.  Note that the TurboJPEG API library wraps the
+  libjpeg API library, so in the context of the overall TurboJPEG API library,
+  both the terms of the IJG License and the terms of the Modified (3-clause)
+  BSD License apply.
 
 
 Complying with the libjpeg-turbo Licenses
 =========================================
 
 This section provides a roll-up of the libjpeg-turbo licensing terms, to the
-best of our understanding.
+best of our understanding.  This is not a license in and of itself.  It is
+intended solely for clarification.
 
 1.  If you are distributing a modified version of the libjpeg-turbo source,
     then:
@@ -38,7 +41,7 @@ best of our understanding.
         - Clauses 1 and 3 of the zlib License
 
     2.  You must add your own copyright notice to the header of each source
-        file you modified, so others can tell that you modified that file (if
+        file you modified, so others can tell that you modified that file.  (If
         there is not an existing copyright header in that file, then you can
         simply add a notice stating that you modified the file.)
 
@@ -66,7 +69,7 @@ best of our understanding.
 
     2.  If your binary distribution includes or uses the TurboJPEG API, then
         your product documentation must include the text of the Modified BSD
-        License.
+        License (see below.)
 
         **Origin**
         - Clause 2 of the Modified BSD License
@@ -91,7 +94,8 @@ best of our understanding.
 The Modified (3-clause) BSD License
 ===================================
 
-Copyright (C)\<YEAR\> \<AUTHOR\>.  All Rights Reserved.
+Copyright (C)2009-2025 D. R. Commander.  All Rights Reserved.<br>
+Copyright (C)2015 Viktor Szathmáry.  All Rights Reserved.
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions are met:
@@ -118,23 +122,14 @@ ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 POSSIBILITY OF SUCH DAMAGE.
 
 
-The zlib License
-================
+Why Two Licenses?
+=================
 
-Copyright (C) \<YEAR\>, \<AUTHOR\>.
-
-This software is provided 'as-is', without any express or implied
-warranty.  In no event will the authors be held liable for any damages
-arising from the use of this software.
-
-Permission is granted to anyone to use this software for any purpose,
-including commercial applications, and to alter it and redistribute it
-freely, subject to the following restrictions:
-
-1. The origin of this software must not be misrepresented; you must not
-   claim that you wrote the original software. If you use this software
-   in a product, an acknowledgment in the product documentation would be
-   appreciated but is not required.
-2. Altered source versions must be plainly marked as such, and must not be
-   misrepresented as being the original software.
-3. This notice may not be removed or altered from any source distribution.
+The zlib License could have been used instead of the Modified (3-clause) BSD
+License, and since the IJG License effectively subsumes the distribution
+conditions of the zlib License, this would have effectively placed
+libjpeg-turbo binary distributions under the IJG License.  However, the IJG
+License specifically refers to the Independent JPEG Group and does not extend
+attribution and endorsement protections to other entities.  Thus, it was
+desirable to choose a license that granted us the same protections for new code
+that were granted to the IJG for code derived from their software.

linux/contrib/libjpeg-turbo-3.1.2/README.ijg

@@ -36,16 +36,18 @@ TO DO               Plans for future IJG releases.
 Other documentation files in the distribution are:
 
 User documentation:
-  usage.txt         Usage instructions for cjpeg, djpeg, jpegtran,
-                    rdjpgcom, and wrjpgcom.
-  *.1               Unix-style man pages for programs (same info as usage.txt).
-  wizard.txt        Advanced usage instructions for JPEG wizards only.
-  change.log        Version-to-version change highlights.
+  doc/usage.txt         Usage instructions for cjpeg, djpeg, jpegtran,
+                        rdjpgcom, and wrjpgcom.
+  doc/*.1               Unix-style man pages for programs (same info as
+                        usage.txt).
+  doc/wizard.txt        Advanced usage instructions for JPEG wizards only.
+  doc/change.log        Version-to-version change highlights.
 Programmer and internal documentation:
-  libjpeg.txt       How to use the JPEG library in your own programs.
-  example.c         Sample code for calling the JPEG library.
-  structure.txt     Overview of the JPEG library's internal structure.
-  coderules.txt     Coding style rules --- please read if you contribute code.
+  doc/libjpeg.txt       How to use the JPEG library in your own programs.
+  src/example.c         Sample code for calling the JPEG library.
+  doc/structure.txt     Overview of the JPEG library's internal structure.
+  doc/coderules.txt     Coding style rules --- please read if you contribute
+                        code.
 
 Please read at least usage.txt.  Some information can also be found in the JPEG
 FAQ (Frequently Asked Questions) article.  See ARCHIVE LOCATIONS below to find
@@ -68,17 +70,17 @@ other abrupt features may not compress well with JPEG, and a higher JPEG
 quality may have to be used to avoid visible compression artifacts with such
 images.
 
-JPEG is lossy, meaning that the output pixels are not necessarily identical to
-the input pixels.  However, on photographic content and other "smooth" images,
-very good compression ratios can be obtained with no visible compression
-artifacts, and extremely high compression ratios are possible if you are
-willing to sacrifice image quality (by reducing the "quality" setting in the
-compressor.)
+JPEG is normally lossy, meaning that the output pixels are not necessarily
+identical to the input pixels.  However, on photographic content and other
+"smooth" images, very good compression ratios can be obtained with no visible
+compression artifacts, and extremely high compression ratios are possible if
+you are willing to sacrifice image quality (by reducing the "quality" setting
+in the compressor.)
 
-This software implements JPEG baseline, extended-sequential, and progressive
-compression processes.  Provision is made for supporting all variants of these
-processes, although some uncommon parameter settings aren't implemented yet.
-We have made no provision for supporting the hierarchical or lossless
+This software implements JPEG baseline, extended-sequential, progressive, and
+lossless compression processes.  Provision is made for supporting all variants
+of these processes, although some uncommon parameter settings aren't
+implemented yet.  We have made no provision for supporting the hierarchical
 processes defined in the standard.
 
 We provide a set of library routines for reading and writing JPEG image files,
@@ -89,9 +91,9 @@ The library is intended to be reused in other applications.
 In order to support file conversion and viewing software, we have included
 considerable functionality beyond the bare JPEG coding/decoding capability;
 for example, the color quantization modules are not strictly part of JPEG
-decoding, but they are essential for output to colormapped file formats or
-colormapped displays.  These extra functions can be compiled out of the
-library if not required for a particular application.
+decoding, but they are essential for output to colormapped file formats.  These
+extra functions can be compiled out of the library if not required for a
+particular application.
 
 We have also included "jpegtran", a utility for lossless transcoding between
 different JPEG processes, and "rdjpgcom" and "wrjpgcom", two simple
@@ -128,7 +130,7 @@ with respect to this software, its quality, accuracy, merchantability, or
 fitness for a particular purpose.  This software is provided "AS IS", and you,
 its user, assume the entire risk as to its quality and accuracy.
 
-This software is copyright (C) 1991-2016, Thomas G. Lane, Guido Vollbeding.
+This software is copyright (C) 1991-2020, Thomas G. Lane, Guido Vollbeding.
 All Rights Reserved except as specified below.
 
 Permission is hereby granted to use, copy, modify, and distribute this
@@ -159,19 +161,6 @@ commercial products, provided that all warranty or liability claims are
 assumed by the product vendor.
 
 
-The IJG distribution formerly included code to read and write GIF files.
-To avoid entanglement with the Unisys LZW patent (now expired), GIF reading
-support has been removed altogether, and the GIF writer has been simplified
-to produce "uncompressed GIFs".  This technique does not use the LZW
-algorithm; the resulting GIF files are larger than usual, but are readable
-by all standard GIF decoders.
-
-We are required to state that
-    "The Graphics Interchange Format(c) is the Copyright property of
-    CompuServe Incorporated.  GIF(sm) is a Service Mark property of
-    CompuServe Incorporated."
-
-
 REFERENCES
 ==========
 
@@ -179,8 +168,8 @@ We recommend reading one or more of these references before trying to
 understand the innards of the JPEG software.
 
 The best short technical introduction to the JPEG compression algorithm is
-	Wallace, Gregory K.  "The JPEG Still Picture Compression Standard",
-	Communications of the ACM, April 1991 (vol. 34 no. 4), pp. 30-44.
+        Wallace, Gregory K.  "The JPEG Still Picture Compression Standard",
+        Communications of the ACM, April 1991 (vol. 34 no. 4), pp. 30-44.
 (Adjacent articles in that issue discuss MPEG motion picture compression,
 applications of JPEG, and related topics.)  If you don't have the CACM issue
 handy, a PDF file containing a revised version of Wallace's article is
@@ -214,21 +203,21 @@ Continuous-tone Still Images, Part 2: Compliance testing" and has document
 numbers ISO/IEC IS 10918-2, ITU-T T.83.
 
 The JPEG standard does not specify all details of an interchangeable file
-format.  For the omitted details we follow the "JFIF" conventions, revision
-1.02.  JFIF 1.02 has been adopted as an Ecma International Technical Report
-and thus received a formal publication status.  It is available as a free
-download in PDF format from
-http://www.ecma-international.org/publications/techreports/E-TR-098.htm.
-A PostScript version of the JFIF document is available at
-http://www.ijg.org/files/jfif.ps.gz.  There is also a plain text version at
-http://www.ijg.org/files/jfif.txt.gz, but it is missing the figures.
+format.  For the omitted details, we follow the "JFIF" conventions, revision
+1.02.  JFIF version 1 has been adopted as ISO/IEC 10918-5 (05/2013) and
+Recommendation ITU-T T.871 (05/2011): Information technology - Digital
+compression and coding of continuous-tone still images: JPEG File Interchange
+Format (JFIF).  It is available as a free download in PDF file format from
+https://www.iso.org/standard/54989.html and http://www.itu.int/rec/T-REC-T.871.
+A PDF file of the older JFIF 1.02 specification is available at
+http://www.w3.org/Graphics/JPEG/jfif3.pdf.
 
-The TIFF 6.0 file format specification can be obtained by FTP from
-ftp://ftp.sgi.com/graphics/tiff/TIFF6.ps.gz.  The JPEG incorporation scheme
-found in the TIFF 6.0 spec of 3-June-92 has a number of serious problems.
-IJG does not recommend use of the TIFF 6.0 design (TIFF Compression tag 6).
-Instead, we recommend the JPEG design proposed by TIFF Technical Note #2
-(Compression tag 7).  Copies of this Note can be obtained from
+The TIFF 6.0 file format specification can be obtained from
+http://mirrors.ctan.org/graphics/tiff/TIFF6.ps.gz.  The JPEG incorporation
+scheme found in the TIFF 6.0 spec of 3-June-92 has a number of serious
+problems.  IJG does not recommend use of the TIFF 6.0 design (TIFF Compression
+tag 6).  Instead, we recommend the JPEG design proposed by TIFF Technical Note
+#2 (Compression tag 7).  Copies of this Note can be obtained from
 http://www.ijg.org/files/.  It is expected that the next revision
 of the TIFF spec will replace the 6.0 JPEG design with the Note's design.
 Although IJG's own code does not support TIFF/JPEG, the free libtiff library
@@ -243,28 +232,26 @@ The most recent released version can always be found there in
 directory "files".
 
 The JPEG FAQ (Frequently Asked Questions) article is a source of some
-general information about JPEG.
-It is available on the World Wide Web at http://www.faqs.org/faqs/jpeg-faq/
-and other news.answers archive sites, including the official news.answers
-archive at rtfm.mit.edu: ftp://rtfm.mit.edu/pub/usenet/news.answers/jpeg-faq/.
-If you don't have Web or FTP access, send e-mail to mail-server@rtfm.mit.edu
-with body
-	send usenet/news.answers/jpeg-faq/part1
-	send usenet/news.answers/jpeg-faq/part2
+general information about JPEG.  It is available at
+http://www.faqs.org/faqs/jpeg-faq.
 
 
-FILE FORMAT WARS
-================
+FILE FORMAT COMPATIBILITY
+=========================
 
-The ISO/IEC JTC1/SC29/WG1 standards committee (also known as JPEG, together
-with ITU-T SG16) currently promotes different formats containing the name
-"JPEG" which are incompatible with original DCT-based JPEG.  IJG therefore does
-not support these formats (see REFERENCES).  Indeed, one of the original
-reasons for developing this free software was to help force convergence on
-common, interoperable format standards for JPEG files.
-Don't use an incompatible file format!
-(In any case, our decoder will remain capable of reading existing JPEG
-image files indefinitely.)
+This software implements ITU T.81 | ISO/IEC 10918 with some extensions from
+ITU T.871 | ISO/IEC 10918-5 (JPEG File Interchange Format-- see REFERENCES).
+Informally, the term "JPEG image" or "JPEG file" most often refers to JFIF or
+a subset thereof, but there are other formats containing the name "JPEG" that
+are incompatible with the original JPEG standard or with JFIF (for instance,
+JPEG 2000 and JPEG XR).  This software therefore does not support these
+formats.  Indeed, one of the original reasons for developing this free software
+was to help force convergence on a common, interoperable format standard for
+JPEG files.
+
+JFIF is a minimal or "low end" representation.  TIFF/JPEG (TIFF revision 6.0 as
+modified by TIFF Technical Note #2) can be used for "high end" applications
+that need to record a lot of additional data about an image.
 
 
 TO DO

linux/contrib/libjpeg-turbo-3.1.2/README.md

@@ -1,13 +1,14 @@
 Background
 ==========
 
-libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2,
-AVX2, NEON, AltiVec) to accelerate baseline JPEG compression and decompression
-on x86, x86-64, ARM, and PowerPC systems.  On such systems, libjpeg-turbo is
-generally 2-6x as fast as libjpeg, all else being equal.  On other types of
-systems, libjpeg-turbo can still outperform libjpeg by a significant amount, by
-virtue of its highly-optimized Huffman coding routines.  In many cases, the
-performance of libjpeg-turbo rivals that of proprietary high-speed JPEG codecs.
+libjpeg-turbo is a JPEG image codec that uses SIMD instructions to accelerate
+baseline JPEG compression and decompression on x86, x86-64, Arm, PowerPC, and
+MIPS systems, as well as progressive JPEG compression on x86, x86-64, and Arm
+systems.  On such systems, libjpeg-turbo is generally 2-6x as fast as libjpeg,
+all else being equal.  On other types of systems, libjpeg-turbo can still
+outperform libjpeg by a significant amount, by virtue of its highly-optimized
+Huffman coding routines.  In many cases, the performance of libjpeg-turbo
+rivals that of proprietary high-speed JPEG codecs.
 
 libjpeg-turbo implements both the traditional libjpeg API as well as the less
 powerful but more straightforward TurboJPEG API.  libjpeg-turbo also features
@@ -20,7 +21,26 @@ derivative of libjpeg v6b developed by Miyasaka Masaru.  The TigerVNC and
 VirtualGL projects made numerous enhancements to the codec in 2009, and in
 early 2010, libjpeg-turbo spun off into an independent project, with the goal
 of making high-speed JPEG compression/decompression technology available to a
-broader range of users and developers.
+broader range of users and developers.  libjpeg-turbo is an ISO/IEC and ITU-T
+reference implementation of the JPEG standard.
+
+More information about libjpeg-turbo can be found at
+<https://libjpeg-turbo.org>.
+
+
+Funding
+=======
+
+libjpeg-turbo is an independent open source project, but we rely on patronage
+and funded development in order to maintain that independence.  The easiest way
+to ensure that libjpeg-turbo remains community-focused and free of any one
+organization's agenda is to
+[sponsor our project through GitHub](https://github.com/sponsors/libjpeg-turbo).
+All sponsorship money goes directly toward funding the labor necessary to
+maintain libjpeg-turbo, support the user community, and implement bug fixes and
+strategically important features.
+
+[![Sponsor libjpeg-turbo](https://img.shields.io/github/sponsors/libjpeg-turbo?label=Sponsor&logo=GitHub)](https://github.com/sponsors/libjpeg-turbo)
 
 
 License
@@ -48,7 +68,13 @@ JPEG images:
   straightforward to achieve using the underlying libjpeg API, such as
   generating planar YUV images and performing multiple simultaneous lossless
   transforms on an image.  The Java interface for libjpeg-turbo is written on
-  top of the TurboJPEG API.
+  top of the TurboJPEG API.  The TurboJPEG API is recommended for first-time
+  users of libjpeg-turbo.  Refer to [tjcomp.c](src/tjcomp.c),
+  [tjdecomp.c](src/tjdecomp.c), [tjtran.c](src/tjtran.c),
+  [TJComp.java](java/TJComp.java), [TJDecomp.java](java/TJDecomp.java), and
+  [TJTran.java](java/TJTran.java) for examples of its usage and to
+  <https://libjpeg-turbo.org/Documentation/Documentation> for API
+  documentation.
 
 - **libjpeg API**<br>
   This is the de facto industry-standard API for compressing and decompressing
@@ -56,7 +82,9 @@ JPEG images:
   more powerful.  The libjpeg API implementation in libjpeg-turbo is both
   API/ABI-compatible and mathematically compatible with libjpeg v6b.  It can
   also optionally be configured to be API/ABI-compatible with libjpeg v7 and v8
-  (see below.)
+  (see below.)  Refer to [cjpeg.c](src/cjpeg.c) and [djpeg.c](src/djpeg.c) for
+  examples of its usage and to [libjpeg.txt](doc/libjpeg.txt) for API
+  documentation.
 
 There is no significant performance advantage to either API when both are used
 to perform similar operations.
@@ -108,9 +136,9 @@ extensions at compile time with:
 
     #ifdef JCS_ALPHA_EXTENSIONS
 
-[jcstest.c](jcstest.c), located in the libjpeg-turbo source tree, demonstrates
-how to check for the existence of the colorspace extensions at compile time and
-run time.
+[jcstest.c](src/jcstest.c), located in the libjpeg-turbo source tree,
+demonstrates how to check for the existence of the colorspace extensions at
+compile time and run time.
 
 libjpeg v7 and v8 API/ABI Emulation
 -----------------------------------
@@ -130,25 +158,24 @@ without recompiling.  libjpeg-turbo does not claim to support all of the
 libjpeg v7+ features, nor to produce identical output to libjpeg v7+ in all
 cases (see below.)
 
-By passing an argument of `--with-jpeg7` or `--with-jpeg8` to `configure`, or
-an argument of `-DWITH_JPEG7=1` or `-DWITH_JPEG8=1` to `cmake`, you can build a
-version of libjpeg-turbo that emulates the libjpeg v7 or v8 ABI, so that
-programs that are built against libjpeg v7 or v8 can be run with libjpeg-turbo.
-The following section describes which libjpeg v7+ features are supported and
-which aren't.
+By passing an argument of `-DWITH_JPEG7=1` or `-DWITH_JPEG8=1` to `cmake`, you
+can build a version of libjpeg-turbo that emulates the libjpeg v7 or v8 ABI, so
+that programs that are built against libjpeg v7 or v8 can be run with
+libjpeg-turbo.  The following section describes which libjpeg v7+ features are
+supported and which aren't.
 
 ### Support for libjpeg v7 and v8 Features
 
 #### Fully supported
 
-- **libjpeg: IDCT scaling extensions in decompressor**<br>
+- **libjpeg API: IDCT scaling extensions in decompressor**<br>
   libjpeg-turbo supports IDCT scaling with scaling factors of 1/8, 1/4, 3/8,
   1/2, 5/8, 3/4, 7/8, 9/8, 5/4, 11/8, 3/2, 13/8, 7/4, 15/8, and 2/1 (only 1/4
   and 1/2 are SIMD-accelerated.)
 
-- **libjpeg: Arithmetic coding**
+- **libjpeg API: Arithmetic coding**
 
-- **libjpeg: In-memory source and destination managers**<br>
+- **libjpeg API: In-memory source and destination managers**<br>
   See notes below.
 
 - **cjpeg: Separate quality settings for luminance and chrominance**<br>
@@ -175,19 +202,19 @@ which aren't.
 
 NOTE:  As of this writing, extensive research has been conducted into the
 usefulness of DCT scaling as a means of data reduction and SmartScale as a
-means of quality improvement.  The reader is invited to peruse the research at
-<http://www.libjpeg-turbo.org/About/SmartScale> and draw his/her own conclusions,
+means of quality improvement.  Readers are invited to peruse the research at
+<https://libjpeg-turbo.org/About/SmartScale> and draw their own conclusions,
 but it is the general belief of our project that these features have not
 demonstrated sufficient usefulness to justify inclusion in libjpeg-turbo.
 
-- **libjpeg: DCT scaling in compressor**<br>
+- **libjpeg API: DCT scaling in compressor**<br>
   `cinfo.scale_num` and `cinfo.scale_denom` are silently ignored.
   There is no technical reason why DCT scaling could not be supported when
   emulating the libjpeg v7+ API/ABI, but without the SmartScale extension (see
   below), only scaling factors of 1/2, 8/15, 4/7, 8/13, 2/3, 8/11, 4/5, and
   8/9 would be available, which is of limited usefulness.
 
-- **libjpeg: SmartScale**<br>
+- **libjpeg API: SmartScale**<br>
   `cinfo.block_size` is silently ignored.
   SmartScale is an extension to the JPEG format that allows for DCT block
   sizes other than 8x8.  Providing support for this new format would be
@@ -200,7 +227,7 @@ demonstrated sufficient usefulness to justify inclusion in libjpeg-turbo.
   interest in providing this feature would be as a means of supporting
   additional DCT scaling factors.
 
-- **libjpeg: Fancy downsampling in compressor**<br>
+- **libjpeg API: Fancy downsampling in compressor**<br>
   `cinfo.do_fancy_downsampling` is silently ignored.
   This requires the DCT scaling feature, which is not supported.
 
@@ -241,17 +268,6 @@ programs that need them, without breaking ABI compatibility for programs that
 don't, and it allows those functions to be provided in the "official"
 libjpeg-turbo binaries.
 
-Those who are concerned about maintaining strict conformance with the libjpeg
-v6b or v7 API can pass an argument of `--without-mem-srcdst` to `configure` or
-an argument of `-DWITH_MEM_SRCDST=0` to `cmake` prior to building
-libjpeg-turbo.  This will restore the pre-1.3 behavior, in which
-`jpeg_mem_src()` and `jpeg_mem_dest()` are only included when emulating the
-libjpeg v8 API/ABI.
-
-On Un*x systems, including the in-memory source/destination managers changes
-the dynamic library version from 62.1.0 to 62.2.0 if using libjpeg v6b API/ABI
-emulation and from 7.1.0 to 7.2.0 if using libjpeg v7 API/ABI emulation.
-
 Note that, on most Un*x systems, the dynamic linker will not look for a
 function in a library until that function is actually used.  Thus, if a program
 is built against libjpeg-turbo 1.3+ and uses `jpeg_mem_src()` or
@@ -271,29 +287,35 @@ Mathematical Compatibility
 ==========================
 
 For the most part, libjpeg-turbo should produce identical output to libjpeg
-v6b.  The one exception to this is when using the floating point DCT/IDCT, in
-which case the outputs of libjpeg v6b and libjpeg-turbo can differ for the
-following reasons:
+v6b.  There are two exceptions:
 
-- The SSE/SSE2 floating point DCT implementation in libjpeg-turbo is ever so
-  slightly more accurate than the implementation in libjpeg v6b, but not by
-  any amount perceptible to human vision (generally in the range of 0.01 to
-  0.08 dB gain in PNSR.)
+1. When decompressing a JPEG image that uses 4:4:0 chrominance subsampling, the
+outputs of libjpeg v6b and libjpeg-turbo can differ because libjpeg-turbo
+implements a "fancy" (smooth) 4:4:0 upsampling algorithm and libjpeg did not.
 
-- When not using the SIMD extensions, libjpeg-turbo uses the more accurate
-  (and slightly faster) floating point IDCT algorithm introduced in libjpeg
-  v8a as opposed to the algorithm used in libjpeg v6b.  It should be noted,
-  however, that this algorithm basically brings the accuracy of the floating
-  point IDCT in line with the accuracy of the slow integer IDCT.  The floating
-  point DCT/IDCT algorithms are mainly a legacy feature, and they do not
-  produce significantly more accuracy than the slow integer algorithms (to put
-  numbers on this, the typical difference in PNSR between the two algorithms
-  is less than 0.10 dB, whereas changing the quality level by 1 in the upper
-  range of the quality scale is typically more like a 1.0 dB difference.)
+2. When using the floating point DCT/IDCT, the outputs of libjpeg v6b and
+libjpeg-turbo can differ for the following reasons:
 
-- If the floating point algorithms in libjpeg-turbo are not implemented using
-  SIMD instructions on a particular platform, then the accuracy of the
-  floating point DCT/IDCT can depend on the compiler settings.
+    - The SSE/SSE2 floating point DCT implementation in libjpeg-turbo is ever
+      so slightly more accurate than the implementation in libjpeg v6b, but not
+      by any amount perceptible to human vision (generally in the range of 0.01
+      to 0.08 dB gain in PNSR.)
+
+    - When not using the SIMD extensions, libjpeg-turbo uses the more accurate
+      (and slightly faster) floating point IDCT algorithm introduced in libjpeg
+      v8a as opposed to the algorithm used in libjpeg v6b.  It should be noted,
+      however, that this algorithm basically brings the accuracy of the
+      floating point IDCT in line with the accuracy of the accurate integer
+      IDCT.  The floating point DCT/IDCT algorithms are mainly a legacy
+      feature, and they do not produce significantly more accuracy than the
+      accurate integer algorithms.  (To put numbers on this, the typical
+      difference in PNSR between the two algorithms is less than 0.10 dB,
+      whereas changing the quality level by 1 in the upper range of the quality
+      scale is typically more like a 1.0 dB difference.)
+
+    - If the floating point algorithms in libjpeg-turbo are not implemented
+      using SIMD instructions on a particular platform, then the accuracy of
+      the floating point DCT/IDCT can depend on the compiler settings.
 
 While libjpeg-turbo does emulate the libjpeg v8 API/ABI, under the hood it is
 still using the same algorithms as libjpeg v6b, so there are several specific
@@ -326,7 +348,7 @@ in a way that makes the rest of the libjpeg infrastructure happy, so it is
 necessary to use the slow Huffman decoder when decompressing a JPEG image that
 has restart markers.  This can cause the decompression performance to drop by
 as much as 20%, but the performance will still be much greater than that of
-libjpeg.  Many consumer packages, such as PhotoShop, use restart markers when
+libjpeg.  Many consumer packages, such as Photoshop, use restart markers when
 generating JPEG images, so images generated by those programs will experience
 this issue.
 
@@ -337,5 +359,17 @@ The algorithm used by the SIMD-accelerated quantization function cannot produce
 correct results whenever the fast integer forward DCT is used along with a JPEG
 quality of 98-100.  Thus, libjpeg-turbo must use the non-SIMD quantization
 function in those cases.  This causes performance to drop by as much as 40%.
-It is therefore strongly advised that you use the slow integer forward DCT
+It is therefore strongly advised that you use the accurate integer forward DCT
 whenever encoding images with a JPEG quality of 98 or higher.
+
+
+Memory Debugger Pitfalls
+========================
+
+Valgrind and Memory Sanitizer (MSan) can generate false positives
+(specifically, incorrect reports of uninitialized memory accesses) when used
+with libjpeg-turbo's SIMD extensions.  It is generally recommended that the
+SIMD extensions be disabled, either by passing an argument of `-DWITH_SIMD=0`
+to `cmake` when configuring the build or by setting the environment variable
+`JSIMD_FORCENONE` to `1` at run time, when testing libjpeg-turbo with Valgrind,
+MSan, or other memory debuggers.

linux/contrib/libjpeg-turbo-3.1.2/cmakescripts/BuildPackages.cmake

@@ -1,18 +1,6 @@
 # This file is included from the top-level CMakeLists.txt.  We just store it
 # here to avoid cluttering up that file.
 
-set(PKGNAME ${CMAKE_PROJECT_NAME} CACHE STRING
-  "Distribution package name (default: ${CMAKE_PROJECT_NAME})")
-set(PKGVENDOR "The ${CMAKE_PROJECT_NAME} Project" CACHE STRING
-  "Vendor name to be included in distribution package descriptions (default: The ${CMAKE_PROJECT_NAME} Project)")
-set(PKGURL "http://www.${CMAKE_PROJECT_NAME}.org" CACHE STRING
-  "URL of project web site to be included in distribution package descriptions (default: http://www.${CMAKE_PROJECT_NAME}.org)")
-set(PKGEMAIL "information@${CMAKE_PROJECT_NAME}.org" CACHE STRING
-  "E-mail of project maintainer to be included in distribution package descriptions (default: information@${CMAKE_PROJECT_NAME}.org")
-set(PKGID "com.${CMAKE_PROJECT_NAME}.${PKGNAME}" CACHE STRING
-  "Globally unique package identifier (reverse DNS notation) (default: com.${CMAKE_PROJECT_NAME}.${PKGNAME})")
-
-
 ###############################################################################
 # Linux RPM and DEB
 ###############################################################################
@@ -22,12 +10,21 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
 set(RPMARCH ${CMAKE_SYSTEM_PROCESSOR})
 if(CPU_TYPE STREQUAL "x86_64")
   set(DEBARCH amd64)
-elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "armv7*")
-  set(DEBARCH armhf)
 elseif(CPU_TYPE STREQUAL "arm64")
   set(DEBARCH ${CPU_TYPE})
 elseif(CPU_TYPE STREQUAL "arm")
-  set(DEBARCH armel)
+  check_c_source_compiles("
+    #if __ARM_PCS_VFP != 1
+    #error \"float ABI != hard\"
+    #endif
+    int main(void) { return 0; }" HAVE_HARD_FLOAT)
+  if(HAVE_HARD_FLOAT)
+    set(RPMARCH armv7hl)
+    set(DEBARCH armhf)
+  else()
+    set(RPMARCH armel)
+    set(DEBARCH armel)
+  endif()
 elseif(CMAKE_SYSTEM_PROCESSOR_LC STREQUAL "ppc64le")
   set(DEBARCH ppc64el)
 elseif(CPU_TYPE STREQUAL "powerpc" AND BITS EQUAL 32)
@@ -45,19 +42,20 @@ boolean_number(CMAKE_POSITION_INDEPENDENT_CODE)
 configure_file(release/makerpm.in pkgscripts/makerpm)
 configure_file(release/rpm.spec.in pkgscripts/rpm.spec @ONLY)
 
-add_custom_target(rpm sh pkgscripts/makerpm
+add_custom_target(rpm pkgscripts/makerpm
+  DEPENDS rdjpgcom wrjpgcom cjpeg djpeg jpegtran
   SOURCES pkgscripts/makerpm)
 
 configure_file(release/makesrpm.in pkgscripts/makesrpm)
 
-add_custom_target(srpm sh pkgscripts/makesrpm
+add_custom_target(srpm pkgscripts/makesrpm
   SOURCES pkgscripts/makesrpm
   DEPENDS dist)
 
 configure_file(release/makedpkg.in pkgscripts/makedpkg)
 configure_file(release/deb-control.in pkgscripts/deb-control)
 
-add_custom_target(deb sh pkgscripts/makedpkg
+add_custom_target(deb pkgscripts/makedpkg
   SOURCES pkgscripts/makedpkg)
 
 endif() # Linux
@@ -69,29 +67,39 @@ endif() # Linux
 
 if(WIN32)
 
-if(MSVC)
+if(MSVC_LIKE)
   set(INST_PLATFORM "Visual C++")
-  set(INST_NAME ${CMAKE_PROJECT_NAME}-${VERSION}-vc)
+  set(INST_ID vc)
+  set(INST_NAME ${CMAKE_PROJECT_NAME}-${VERSION}-${INST_ID})
   set(INST_REG_NAME ${CMAKE_PROJECT_NAME})
 elseif(MINGW)
   set(INST_PLATFORM GCC)
-  set(INST_NAME ${CMAKE_PROJECT_NAME}-${VERSION}-gcc)
-  set(INST_REG_NAME ${CMAKE_PROJECT_NAME}-gcc)
+  set(INST_ID gcc)
+  set(INST_NAME ${CMAKE_PROJECT_NAME}-${VERSION}-${INST_ID})
+  set(INST_REG_NAME ${CMAKE_PROJECT_NAME}-${INST_ID})
   set(INST_DEFS -DGCC)
 endif()
 
 if(BITS EQUAL 64)
   set(INST_PLATFORM "${INST_PLATFORM} 64-bit")
-  set(INST_NAME ${INST_NAME}64)
-  set(INST_REG_NAME ${INST_DIR}64)
+  if(CPU_TYPE STREQUAL "arm64")
+    set(INST_NAME ${INST_NAME}-arm64)
+  elseif(CPU_TYPE STREQUAL "x86_64")
+    set(INST_NAME ${INST_NAME}-x64)
+  else()
+    set(INST_NAME ${INST_NAME}64)
+  endif()
+  set(INST_REG_NAME ${INST_REG_NAME}64)
   set(INST_DEFS ${INST_DEFS} -DWIN64)
+elseif(CPU_TYPE STREQUAL "i386")
+  set(INST_NAME ${INST_NAME}-x86)
 endif()
 
 if(WITH_JAVA)
   set(INST_DEFS ${INST_DEFS} -DJAVA)
 endif()
 
-if(MSVC_IDE)
+if(GENERATOR_IS_MULTI_CONFIG)
   set(INST_DEFS ${INST_DEFS} "-DBUILDDIR=${CMAKE_CFG_INTDIR}\\")
 else()
   set(INST_DEFS ${INST_DEFS} "-DBUILDDIR=")
@@ -100,59 +108,48 @@ endif()
 string(REGEX REPLACE "/" "\\\\" INST_DIR ${CMAKE_INSTALL_PREFIX})
 
 configure_file(release/installer.nsi.in installer.nsi @ONLY)
+# TODO: It would be nice to eventually switch to CPack and eliminate this mess,
+# but not today.
+configure_file(win/projectTargets.cmake.in
+  win/${CMAKE_PROJECT_NAME}Targets.cmake @ONLY)
+configure_file(win/${INST_ID}/projectTargets-release.cmake.in
+  win/${CMAKE_PROJECT_NAME}Targets-release.cmake @ONLY)
 
 if(WITH_JAVA)
   set(JAVA_DEPEND turbojpeg-java)
 endif()
+if(WITH_TURBOJPEG)
+  set(TURBOJPEG_DEPEND turbojpeg turbojpeg-static tjbench)
+endif()
 add_custom_target(installer
   makensis -nocd ${INST_DEFS} installer.nsi
-  DEPENDS jpeg jpeg-static turbojpeg turbojpeg-static rdjpgcom wrjpgcom
-    cjpeg djpeg jpegtran tjbench ${JAVA_DEPEND}
+  DEPENDS jpeg jpeg-static rdjpgcom wrjpgcom cjpeg djpeg jpegtran
+    ${JAVA_DEPEND} ${TURBOJPEG_DEPEND}
   SOURCES installer.nsi)
 
 endif() # WIN32
 
 
-###############################################################################
-# Cygwin Package
-###############################################################################
-
-if(CYGWIN)
-
-configure_file(release/makecygwinpkg.in pkgscripts/makecygwinpkg)
-
-add_custom_target(cygwinpkg sh pkgscripts/makecygwinpkg)
-
-endif() # CYGWIN
-
-
 ###############################################################################
 # Mac DMG
 ###############################################################################
 
 if(APPLE)
 
-set(DEFAULT_OSX_32BIT_BUILD ${CMAKE_SOURCE_DIR}/osxx86)
-set(OSX_32BIT_BUILD ${DEFAULT_OSX_32BIT_BUILD} CACHE PATH
-  "Directory containing 32-bit (i386) Mac build to include in universal binaries (default: ${DEFAULT_OSX_32BIT_BUILD})")
-set(DEFAULT_IOS_ARMV7_BUILD ${CMAKE_SOURCE_DIR}/iosarmv7)
-set(IOS_ARMV7_BUILD ${DEFAULT_IOS_ARMV7_BUILD} CACHE PATH
-  "Directory containing ARMv7 iOS build to include in universal binaries (default: ${DEFAULT_IOS_ARMV7_BUILD})")
-set(DEFAULT_IOS_ARMV7S_BUILD ${CMAKE_SOURCE_DIR}/iosarmv7s)
-set(IOS_ARMV7S_BUILD ${DEFAULT_IOS_ARMV7S_BUILD} CACHE PATH
-  "Directory containing ARMv7s iOS build to include in universal binaries (default: ${DEFAULT_IOS_ARMV7S_BUILD})")
-set(DEFAULT_IOS_ARMV8_BUILD ${CMAKE_SOURCE_DIR}/iosarmv8)
-set(IOS_ARMV8_BUILD ${DEFAULT_IOS_ARMV8_BUILD} CACHE PATH
-  "Directory containing ARMv8 iOS build to include in universal binaries (default: ${DEFAULT_IOS_ARMV8_BUILD})")
+set(SECONDARY_BUILD "" CACHE PATH
+  "Directory containing cross-compiled x86-64 or Armv8 (64-bit) iOS or macOS build to include in universal binaries")
+
+set(MACOS_APP_CERT_NAME "" CACHE STRING
+  "Name of the Developer ID Application certificate (in the macOS keychain) that should be used to sign the libjpeg-turbo DMG.  Leave this blank to generate an unsigned DMG.")
+set(MACOS_INST_CERT_NAME "" CACHE STRING
+  "Name of the Developer ID Installer certificate (in the macOS keychain) that should be used to sign the libjpeg-turbo installer package.  Leave this blank to generate an unsigned package.")
 
 configure_file(release/makemacpkg.in pkgscripts/makemacpkg)
 configure_file(release/Distribution.xml.in pkgscripts/Distribution.xml)
+configure_file(release/Welcome.rtf.in pkgscripts/Welcome.rtf)
 configure_file(release/uninstall.in pkgscripts/uninstall)
 
-add_custom_target(dmg sh pkgscripts/makemacpkg
-  SOURCES pkgscripts/makemacpkg)
-
-add_custom_target(udmg sh pkgscripts/makemacpkg universal
+add_custom_target(dmg pkgscripts/makemacpkg
   SOURCES pkgscripts/makemacpkg)
 
 endif() # APPLE
@@ -169,9 +166,20 @@ add_custom_target(dist
 
 configure_file(release/maketarball.in pkgscripts/maketarball)
 
-add_custom_target(tarball sh pkgscripts/maketarball
+add_custom_target(tarball pkgscripts/maketarball
   SOURCES pkgscripts/maketarball)
 
 configure_file(release/libjpeg.pc.in pkgscripts/libjpeg.pc @ONLY)
 
-configure_file(release/libturbojpeg.pc.in pkgscripts/libturbojpeg.pc @ONLY)
+if(WITH_TURBOJPEG)
+  configure_file(release/libturbojpeg.pc.in pkgscripts/libturbojpeg.pc @ONLY)
+endif()
+
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+  pkgscripts/${CMAKE_PROJECT_NAME}ConfigVersion.cmake
+  VERSION ${VERSION} COMPATIBILITY AnyNewerVersion)
+
+configure_package_config_file(release/Config.cmake.in
+  pkgscripts/${CMAKE_PROJECT_NAME}Config.cmake
+  INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${CMAKE_PROJECT_NAME})

linux/contrib/libjpeg-turbo-3.1.2/cmakescripts/GNUInstallDirs.cmake

@@ -118,8 +118,10 @@
 #   absolute paths where necessary, using the same logic.
 
 #=============================================================================
-# Copyright 2016 D. R. Commander
-# Copyright 2016 Dmitry Marakasov
+# Copyright 2018 Tobias C. Berner
+# Copyright 2018 Matthias Räncker
+# Copyright 2016, 2019, 2024 D. R. Commander
+# Copyright 2016, 2021 Dmitry Marakasov
 # Copyright 2016 Roger Leigh
 # Copyright 2015 Alex Turbov
 # Copyright 2014 Rolf Eike Beer
@@ -180,11 +182,15 @@ macro(GNUInstallDirs_set_install_dir var docstring)
     set(_GNUInstallDirs_CMAKE_INSTALL_FORCE_${var} "FORCE")
   endif()
 
+  if(DEFINED CMAKE_INSTALL_${var} AND NOT CMAKE_INSTALL_${var} MATCHES "^/")
+    set_property(CACHE CMAKE_INSTALL_${var} PROPERTY TYPE PATH)
+  endif()
+
   set(CMAKE_INSTALL_${var} "${CMAKE_INSTALL_DEFAULT_${var}}" CACHE PATH
     "${docstring} (Default: ${CMAKE_INSTALL_DEFAULT_${var}})"
     ${_GNUInstallDirs_CMAKE_INSTALL_FORCE_${var}})
 
-  if(NOT "${CMAKE_INSTALL_${var}}" STREQUAL "${CMAKE_INSTALL_DEFAULT_${var}}")
+  if(NOT CMAKE_INSTALL_${var} STREQUAL CMAKE_INSTALL_DEFAULT_${var})
     unset(_GNUInstallDirs_CMAKE_INSTALL_DEFAULT_${var} CACHE)
   endif()
 
@@ -259,6 +265,8 @@ if(NOT DEFINED CMAKE_INSTALL_DEFAULT_LIBDIR)
       else()
         if("${CMAKE_SIZEOF_VOID_P}" EQUAL "8")
           set(CMAKE_INSTALL_DEFAULT_LIBDIR "lib64")
+        elseif(CMAKE_C_COMPILER_ABI MATCHES "ELF X32")
+          set(CMAKE_INSTALL_DEFAULT_LIBDIR "libx32")
         endif()
       endif()
     endif()
@@ -297,7 +305,7 @@ GNUInstallDirs_set_install_dir(DATADIR
   "The directory under which read-only architecture-independent data files should be installed")
 
 if(NOT DEFINED CMAKE_INSTALL_DEFAULT_INFODIR)
-  if(CMAKE_SYSTEM_NAME MATCHES "^(.*BSD|DragonFly)$")
+  if(CMAKE_SYSTEM_NAME MATCHES "^(([^kF].*)?BSD|DragonFly)$")
     set(CMAKE_INSTALL_DEFAULT_INFODIR "info")
   else()
     set(CMAKE_INSTALL_DEFAULT_INFODIR "<CMAKE_INSTALL_DATAROOTDIR>/info")
@@ -307,7 +315,7 @@ GNUInstallDirs_set_install_dir(INFODIR
   "The directory into which info documentation files should be installed")
 
 if(NOT DEFINED CMAKE_INSTALL_DEFAULT_MANDIR)
-  if(CMAKE_SYSTEM_NAME MATCHES "^(.*BSD|DragonFly)$")
+  if(CMAKE_SYSTEM_NAME MATCHES "^(([^k].*)?BSD|DragonFly)$" AND NOT CMAKE_SYSTEM_NAME MATCHES "^(FreeBSD)$")
     set(CMAKE_INSTALL_DEFAULT_MANDIR "man")
   else()
     set(CMAKE_INSTALL_DEFAULT_MANDIR "<CMAKE_INSTALL_DATAROOTDIR>/man")

linux/contrib/libjpeg-turbo-3.1.2/cmakescripts/GenerateWrappers.cmake

@@ -0,0 +1,37 @@
+if(NOT DEFINED SOURCE_DIR)
+  message(FATAL_ERROR "SOURCE_DIR must be specified")
+endif()
+
+foreach(FILE jcapistd.c jccolor.c jcdiffct.c jclossls.c jcmainct.c jcprepct.c
+  jcsample.c jdapistd.c jdcolor.c jddiffct.c jdlossls.c jdmainct.c jdpostct.c
+  jdsample.c jutils.c rdppm.c wrppm.c)
+
+  foreach(BITS 8 12 16)
+
+    string(REGEX REPLACE "\\.c" "-${BITS}.c" WRAPPER_FILE ${FILE})
+    if(BITS EQUAL 8)
+      set(BITS_RANGE "2 to 8")
+    elseif(BITS EQUAL 12)
+      set(BITS_RANGE "9 to 12")
+    else()
+      set(BITS_RANGE "13 to 16")
+    endif()
+
+    configure_file(${SOURCE_DIR}/template.c ${SOURCE_DIR}/${WRAPPER_FILE})
+
+  endforeach()
+endforeach()
+
+foreach(FILE jccoefct.c jcdctmgr.c jdcoefct.c jddctmgr.c jdmerge.c jfdctfst.c
+  jfdctint.c jidctflt.c jidctfst.c jidctint.c jidctred.c jquant1.c jquant2.c
+  rdcolmap.c wrgif.c)
+
+  foreach(BITS 8 12)
+
+    string(REGEX REPLACE "\\.c" "-${BITS}.c" WRAPPER_FILE ${FILE})
+    set(BITS_RANGE ${BITS})
+
+    configure_file(${SOURCE_DIR}/template.c ${SOURCE_DIR}/${WRAPPER_FILE})
+
+  endforeach()
+endforeach()

linux/contrib/libjpeg-turbo-3.1.2/cmakescripts/PackageInfo.cmake

@@ -0,0 +1,13 @@
+# This file is included from the top-level CMakeLists.txt.  We just store it
+# here to avoid cluttering up that file.
+
+set(PKGNAME ${CMAKE_PROJECT_NAME} CACHE STRING
+  "Distribution package name (default: ${CMAKE_PROJECT_NAME})")
+set(PKGVENDOR "The ${CMAKE_PROJECT_NAME} Project" CACHE STRING
+  "Vendor name to be included in distribution package descriptions (default: The ${CMAKE_PROJECT_NAME} Project)")
+set(PKGURL "https://${CMAKE_PROJECT_NAME}.org" CACHE STRING
+  "URL of project web site to be included in distribution package descriptions (default: https://${CMAKE_PROJECT_NAME}.org)")
+set(PKGEMAIL "information@${CMAKE_PROJECT_NAME}.org" CACHE STRING
+  "E-mail of project maintainer to be included in distribution package descriptions (default: information@${CMAKE_PROJECT_NAME}.org")
+set(PKGID "com.${CMAKE_PROJECT_NAME}.${PKGNAME}" CACHE STRING
+  "Globally unique package identifier (reverse DNS notation) (default: com.${CMAKE_PROJECT_NAME}.${PKGNAME})")

linux/contrib/libjpeg-turbo-3.1.2/cmakescripts/testclean.cmake

@@ -29,7 +29,20 @@ file(GLOB FILES
   *_411_*.png
   *_411_*.ppm
   *_411_*.jpg
-  *_411.yuv)
+  *_411.yuv
+  *_441_*.bmp
+  *_441_*.png
+  *_441_*.ppm
+  *_441_*.jpg
+  *_441.yuv
+  *_LOSSL*S_*.bmp
+  *_LOSSL*S_*.ppm
+  *_LOSSL*S_*.jpg
+  test/croptest.log
+  test/tjbenchtest*.log
+  test/tjcomptest*.log
+  test/tjdecomptest*.log
+  test/tjtrantest*.log)
 
 if(NOT FILES STREQUAL "")
   message(STATUS "Removing test files")

linux/contrib/libjpeg-turbo-3.1.2/cmakescripts/tjbenchtest.cmake

@@ -0,0 +1,71 @@
+if(NOT DEFINED PRECISION)
+  message(FATAL_ERROR "PRECISION must be specified")
+endif()
+
+if(NOT DEFINED WITH_JAVA)
+  message(FATAL_ERROR "WITH_JAVA must be specified")
+endif()
+
+macro(check_error program)
+  if(NOT RESULT EQUAL 0)
+    message(FATAL_ERROR "${program} failed.")
+  endif()
+endmacro()
+
+macro(run_test PROG ARGS)
+  string(REPLACE ";" " " SPACED_ARGS "${ARGS}")
+  message(STATUS "${PROG} ${SPACED_ARGS}")
+  execute_process(COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test/${PROG} ${ARGS}
+    RESULT_VARIABLE RESULT)
+  check_error("${PROG} ${SPACED_ARGS}")
+endmacro()
+
+if(PRECISION EQUAL 8 OR PRECISION EQUAL 12)
+  run_test(tjbenchtest "-precision;${PRECISION}")
+  run_test(tjbenchtest "-precision;${PRECISION};-alloc")
+endif()
+if(PRECISION EQUAL 8)
+  run_test(tjbenchtest "-precision;${PRECISION};-yuv")
+  run_test(tjbenchtest "-precision;${PRECISION};-yuv;-alloc")
+  run_test(tjbenchtest "-precision;${PRECISION};-optimize")
+  run_test(tjbenchtest "-precision;${PRECISION};-optimize;-yuv")
+endif()
+if(PRECISION EQUAL 8 OR PRECISION EQUAL 12)
+  run_test(tjbenchtest "-precision;${PRECISION};-progressive")
+endif()
+if(PRECISION EQUAL 8)
+  run_test(tjbenchtest "-precision;${PRECISION};-progressive;-yuv")
+endif()
+if(PRECISION EQUAL 8 OR PRECISION EQUAL 12)
+  run_test(tjbenchtest "-precision;${PRECISION};-arithmetic")
+  run_test(tjbenchtest "-precision;${PRECISION};-progressive;-arithmetic")
+endif()
+if(PRECISION EQUAL 8)
+  run_test(tjbenchtest "-precision;${PRECISION};-arithmetic;-yuv")
+endif()
+run_test(tjbenchtest "-precision;${PRECISION};-lossless")
+run_test(tjbenchtest "-precision;${PRECISION};-lossless;-alloc")
+if(WITH_JAVA)
+  if(PRECISION EQUAL 8 OR PRECISION EQUAL 12)
+    run_test(tjbenchtest "-java;-precision;${PRECISION}")
+  endif()
+  if(PRECISION EQUAL 8)
+    run_test(tjbenchtest "-java;-precision;${PRECISION};-yuv")
+    run_test(tjbenchtest "-java;-precision;${PRECISION};-optimize")
+    run_test(tjbenchtest "-java;-precision;${PRECISION};-optimize;-yuv")
+  endif()
+  if(PRECISION EQUAL 8 OR PRECISION EQUAL 12)
+    run_test(tjbenchtest "-java;-precision;${PRECISION};-progressive")
+  endif()
+  if(PRECISION EQUAL 8)
+    run_test(tjbenchtest "-java;-precision;${PRECISION};-progressive;-yuv")
+  endif()
+  if(PRECISION EQUAL 8 OR PRECISION EQUAL 12)
+    run_test(tjbenchtest "-java;-precision;${PRECISION};-arithmetic")
+    run_test(tjbenchtest "-java;-precision;${PRECISION};-progressive;-arithmetic")
+  endif()
+  if(PRECISION EQUAL 8)
+    run_test(tjbenchtest "-java;-precision;${PRECISION};-arithmetic;-yuv")
+  endif()
+  run_test(tjbenchtest "-java;-precision;${PRECISION};-lossless")
+endif()

linux/contrib/libjpeg-turbo-3.1.2/cmakescripts/tjexampletest.cmake

@@ -0,0 +1,26 @@
+if(NOT DEFINED WITH_JAVA)
+  message(FATAL_ERROR "WITH_JAVA must be specified")
+endif()
+
+macro(check_error program)
+  if(NOT RESULT EQUAL 0)
+    message(FATAL_ERROR "${program} failed.")
+  endif()
+endmacro()
+
+macro(run_test PROG ARGS)
+  string(REPLACE ";" " " SPACED_ARGS "${ARGS}")
+  message(STATUS "${PROG} ${SPACED_ARGS}")
+  execute_process(COMMAND ${CMAKE_CURRENT_BINARY_DIR}/test/${PROG} ${ARGS}
+    RESULT_VARIABLE RESULT)
+  check_error("${PROG} ${SPACED_ARGS}")
+endmacro()
+
+run_test(tjcomptest "")
+run_test(tjdecomptest "")
+run_test(tjtrantest "")
+if(WITH_JAVA)
+  run_test(tjcomptest "-java")
+  run_test(tjdecomptest "-java")
+  run_test(tjtrantest "-java")
+endif()

linux/contrib/libjpeg-turbo-3.1.2/doc/change.log

@@ -6,6 +6,25 @@ reference.  Please see ChangeLog.md for information specific to libjpeg-turbo.
 CHANGE LOG for Independent JPEG Group's JPEG software
 
 
+Version 9d  12-Jan-2020
+-----------------------
+
+Restore GIF read and write support from libjpeg version 6a.
+Thank to Wolfgang Werner (W.W.) Heinz for suggestion.
+
+Add jpegtran -drop option; add options to the crop extension and wipe
+to fill the extra area with content from the source image region,
+instead of gray out.
+
+
+Version 9c  14-Jan-2018
+-----------------------
+
+jpegtran: add an option to the -wipe switch to fill the region
+with the average of adjacent blocks, instead of gray out.
+Thank to Caitlyn Feddock and Maddie Ziegler for inspiration.
+
+
 Version 9b  17-Jan-2016
 -----------------------
 
@@ -13,6 +32,13 @@ Document 'f' specifier for jpegtran -crop specification.
 Thank to Michele Martone for suggestion.
 
 
+Version 9a  19-Jan-2014
+-----------------------
+
+Add jpegtran -wipe option and extension for -crop.
+Thank to Andrew Senior, David Clunie, and Josef Schmid for suggestion.
+
+
 Version 9  13-Jan-2013
 ----------------------
 
@@ -138,11 +164,6 @@ Huffman tables being used.
 
 Huffman tables are checked for validity much more carefully than before.
 
-To avoid the Unisys LZW patent, djpeg's GIF output capability has been
-changed to produce "uncompressed GIFs", and cjpeg's GIF input capability
-has been removed altogether.  We're not happy about it either, but there
-seems to be no good alternative.
-
 The configure script now supports building libjpeg as a shared library
 on many flavors of Unix (all the ones that GNU libtool knows how to
 build shared libraries for).  Use "./configure --enable-shared" to

linux/contrib/libjpeg-turbo-3.1.2/doc/cjpeg.1

@@ -1,4 +1,4 @@
-.TH CJPEG 1 "18 March 2017"
+.TH CJPEG 1 "30 August 2024"
 .SH NAME
 cjpeg \- compress an image file to a JPEG file
 .SH SYNOPSIS
@@ -16,8 +16,8 @@ cjpeg \- compress an image file to a JPEG file
 compresses the named image file, or the standard input if no file is
 named, and produces a JPEG/JFIF file on the standard output.
 The currently supported input file formats are: PPM (PBMPLUS color
-format), PGM (PBMPLUS grayscale format), BMP, Targa, and RLE (Utah Raster
-Toolkit format).  (RLE is supported only if the URT library is available.)
+format), PGM (PBMPLUS grayscale format), BMP, GIF [legacy feature], and Targa
+[legacy feature].
 .SH OPTIONS
 All switch names may be abbreviated; for example,
 .B \-grayscale
@@ -30,7 +30,7 @@ Upper and lower case are equivalent (thus
 .B \-BMP
 is the same as
 .BR \-bmp ).
-British spellings are also accepted (e.g.,
+British spellings are also accepted (e.g.
 .BR \-greyscale ),
 though for brevity these are not mentioned below.
 .PP
@@ -41,17 +41,12 @@ Scale quantization tables to adjust image quality.  Quality is 0 (worst) to
 100 (best); default is 75.  (See below for more info.)
 .TP
 .B \-grayscale
-Create monochrome JPEG file from color input.  Be sure to use this switch when
-compressing a grayscale BMP file, because
-.B cjpeg
-isn't bright enough to notice whether a BMP file uses only shades of gray.
-By saying
-.BR \-grayscale ,
+Create monochrome JPEG file from color input.  By specifying
+.BR \-grayscale,
 you'll get a smaller JPEG file that takes less time to process.
 .TP
 .B \-rgb
-Create RGB JPEG file.
-Using this switch suppresses the conversion from RGB
+Create RGB JPEG file.  Using this switch suppresses the conversion from RGB
 colorspace input to the default YCbCr JPEG colorspace.
 .TP
 .B \-optimize
@@ -65,18 +60,22 @@ decompression are unaffected by
 .BR \-optimize .
 .TP
 .B \-progressive
-Create progressive JPEG file (see below).
+Create progressive JPEG file (see below).  Implies
+.B \-optimize
+unless
+.B \-arithmetic
+is also specified.
 .TP
 .B \-targa
-Input file is Targa format.  Targa files that contain an "identification"
-field will not be automatically recognized by
-.BR cjpeg ;
-for such files you must specify
+Input file is Targa format [legacy feature].  Targa files that contain an
+"identification" field will not be automatically recognized by
+.BR cjpeg .
+For such files, you must specify
 .B \-targa
 to make
 .B cjpeg
-treat the input as Targa format.
-For most Targa files, you won't need this switch.
+treat the input as Targa format.  For most Targa files, you won't need this
+switch.
 .PP
 The
 .B \-quality
@@ -154,45 +153,131 @@ about the same --- often a little smaller.
 .PP
 Switches for advanced users:
 .TP
+.BI \-precision " N"
+Create JPEG file with N-bit data precision.  N is 2 to 16; default is 8.  If N
+is not 8 or 12, then
+.B -lossless
+must also be specified.  Note that only the PBMPLUS input file format supports
+data precisions other than 8.  Note also that PBMPLUS input files are silently
+scaled to the target data precision, even if it is lower than the precision of
+the input file.  Passing an argument of
+.B \-verbose
+to
+.B cjpeg
+will cause it to print information about the precision of the input file.
+.B Caution:
+only 8-bit data precision is widely implemented, so many decoders will be
+unable to handle JPEG files with other data precisions.
+.IP
+.B \-precision\ 12
+implies
+.B \-optimize
+unless
+.B \-arithmetic
+is also specified.
+.TP
+.BI \-lossless " psv[,Pt]"
+Create a lossless JPEG file using the specified predictor selection value
+(1 through 7) and optional point transform (0 through
+.nh
+.I precision
+.hy
+- 1, where
+.nh
+.I precision
+.hy
+is the JPEG data precision in bits).  A point transform value of 0 (the
+default) is necessary in order to create a fully lossless JPEG file.  (A
+non-zero point transform value right-shifts the input samples by the specified
+number of bits, which is effectively a form of lossy color quantization.)
+.B Caution:
+lossless JPEG is not yet widely implemented, so many decoders will be unable to
+handle a lossless JPEG file at all.  In most cases, compressing and
+decompressing a lossless JPEG file is considerably slower than compressing and
+decompressing a lossy JPEG file, and lossless JPEG files are much larger than
+lossy JPEG files.  Also note that the following features will be unavailable
+when compressing or decompressing a lossless JPEG file:
+.IP
+- Quality/quantization table selection
+.IP
+- Color space conversion (the JPEG image will use the same color space as the
+input image)
+.IP
+- Color quantization
+.IP
+- DCT/IDCT algorithm selection
+.IP
+- Smoothing
+.IP
+- Downsampling/upsampling
+.IP
+- IDCT scaling
+.IP
+- Partial image decompression
+.IP
+- Transformations using
+.B jpegtran
+.IP
+Any switches used to enable or configure those features will be ignored.
+.TP
 .B \-arithmetic
 Use arithmetic coding.
 .B Caution:
-arithmetic coded JPEG is not yet widely implemented, so many decoders will be
-unable to view an arithmetic coded JPEG file at all.
+arithmetic-coded JPEG is not yet widely implemented, so many decoders will be
+unable to handle an arithmetic-coded JPEG file at all.
 .TP
 .B \-dct int
-Use integer DCT method (default).
+Use accurate integer DCT method (default).
 .TP
 .B \-dct fast
-Use fast integer DCT (less accurate).
-In libjpeg-turbo, the fast method is generally about 5-15% faster than the int
-method when using the x86/x86-64 SIMD extensions (results may vary with other
-SIMD implementations, or when using libjpeg-turbo without SIMD extensions.)
+Use less accurate integer DCT method [legacy feature].
+When the Independent JPEG Group's software was first released in 1991, the
+compression time for a 1-megapixel JPEG image on a mainstream PC was measured
+in minutes.  Thus, the \fBfast\fR integer DCT algorithm provided noticeable
+performance benefits.  On modern CPUs running libjpeg-turbo, however, the
+compression time for a 1-megapixel JPEG image is measured in milliseconds, and
+thus the performance benefits of the \fBfast\fR algorithm are much less
+noticeable.  On modern x86/x86-64 CPUs that support AVX2 instructions, the
+\fBfast\fR and \fBint\fR methods have similar performance.  On other types of
+CPUs, the \fBfast\fR method is generally about 5-15% faster than the \fBint\fR
+method.
+
 For quality levels of 90 and below, there should be little or no perceptible
-difference between the two algorithms.  For quality levels above 90, however,
-the difference between the fast and the int methods becomes more pronounced.
-With quality=97, for instance, the fast method incurs generally about a 1-3 dB
-loss (in PSNR) relative to the int method, but this can be larger for some
-images.  Do not use the fast method with quality levels above 97.  The
-algorithm often degenerates at quality=98 and above and can actually produce a
-more lossy image than if lower quality levels had been used.  Also, in
-libjpeg-turbo, the fast method is not fully accelerated for quality levels
-above 97, so it will be slower than the int method.
+quality difference between the two algorithms.  For quality levels above 90,
+however, the difference between the \fBfast\fR and \fBint\fR methods becomes
+more pronounced.  With quality=97, for instance, the \fBfast\fR method incurs
+generally about a 1-3 dB loss in PSNR relative to the \fBint\fR method, but
+this can be larger for some images.  Do not use the \fBfast\fR method with
+quality levels above 97.  The algorithm often degenerates at quality=98 and
+above and can actually produce a more lossy image than if lower quality levels
+had been used.  Also, in libjpeg-turbo, the \fBfast\fR method is not fully
+accelerated for quality levels above 97, so it will be slower than the
+\fBint\fR method.
 .TP
 .B \-dct float
-Use floating-point DCT method.
-The float method is mainly a legacy feature.  It does not produce significantly
-more accurate results than the int method, and it is much slower.  The float
-method may also give different results on different machines due to varying
-roundoff behavior, whereas the integer methods should give the same results on
-all machines.
+Use floating-point DCT method [legacy feature].
+The \fBfloat\fR method does not produce significantly more accurate results
+than the \fBint\fR method, and it is much slower.  The \fBfloat\fR method may
+also give different results on different machines due to varying roundoff
+behavior, whereas the integer methods should give the same results on all
+machines.
 .TP
 .BI \-icc " file"
 Embed ICC color management profile contained in the specified file.
 .TP
 .BI \-restart " N"
-Emit a JPEG restart marker every N MCU rows, or every N MCU blocks if "B" is
-attached to the number.
+Emit a JPEG restart marker every N MCU rows, or every N MCUs if "B" is attached
+to the number.
+.IP
+In typical JPEG images, an MCU (Minimum Coded Unit) is the minimum set of
+interleaved "data units" (8x8 DCT blocks if the image is lossy or samples if
+the image is lossless) necessary to represent at least one data unit per
+component.  (For example, an MCU in an interleaved lossy JPEG image that uses
+4:2:2 subsampling consists of two luminance blocks followed by one block for
+each chrominance component.)  In single-component or non-interleaved JPEG
+images, an MCU is the same as a data unit.  An MCU row is a row of MCUs
+spanning the entire width of the image.
+.IP
 .B \-restart 0
 (the default) means no restart markers.
 .TP
@@ -215,6 +300,14 @@ Compress to memory instead of a file.  This feature was implemented mainly as a
 way of testing the in-memory destination manager (jpeg_mem_dest()), but it is
 also useful for benchmarking, since it reduces the I/O overhead.
 .TP
+.BI \-report
+Report compression progress.
+.TP
+.BI \-strict
+Treat all warnings as fatal.  Enabling this option will cause the compressor to
+abort if an LZW-compressed GIF input image contains incomplete or corrupt image
+data.
+.TP
 .B \-verbose
 Enable debug printout.  More
 .BR \-v 's
@@ -284,10 +377,10 @@ This example compresses the PPM file foo.ppm with a quality factor of
 .I foo.jpg
 .SH HINTS
 Color GIF files are not the ideal input for JPEG; JPEG is really intended for
-compressing full-color (24-bit) images.  In particular, don't try to convert
-cartoons, line drawings, and other images that have only a few distinct
-colors.  GIF works great on these, JPEG does not.  If you want to convert a
-GIF to JPEG, you should experiment with
+compressing full-color (24-bit through 48-bit) images.  In particular, don't
+try to convert cartoons, line drawings, and other images that have only a few
+distinct colors.  GIF works great on these; JPEG does not.  If you want to
+convert a GIF to JPEG, you should experiment with
 .BR cjpeg 's
 .B \-quality
 and
@@ -341,14 +434,4 @@ This file was modified by The libjpeg-turbo Project to include only information
 relevant to libjpeg-turbo, to wordsmith certain sections, and to describe
 features not present in libjpeg.
 .SH ISSUES
-Support for GIF input files was removed in cjpeg v6b due to concerns over
-the Unisys LZW patent.  Although this patent expired in 2006, cjpeg still
-lacks GIF support, for these historical reasons.  (Conversion of GIF files to
-JPEG is usually a bad idea anyway, since GIF is a 256-color format.)
-.PP
 Not all variants of BMP and Targa file formats are supported.
-.PP
-The
-.B \-targa
-switch is not a bug, it's a feature.  (It would be a bug if the Targa format
-designers had not been clueless.)

linux/contrib/libjpeg-turbo-3.1.2/doc/djpeg.1

@@ -0,0 +1,301 @@
+.TH DJPEG 1 "17 June 2024"
+.SH NAME
+djpeg \- decompress a JPEG file to an image file
+.SH SYNOPSIS
+.B djpeg
+[
+.I options
+]
+[
+.I filename
+]
+.LP
+.SH DESCRIPTION
+.LP
+.B djpeg
+decompresses the named JPEG file, or the standard input if no file is named,
+and produces an image file on the standard output.  PBMPLUS (PPM/PGM), BMP,
+GIF, or Targa output format can be selected.
+.SH OPTIONS
+All switch names may be abbreviated; for example,
+.B \-grayscale
+may be written
+.B \-gray
+or
+.BR \-gr .
+Most of the "basic" switches can be abbreviated to as little as one letter.
+Upper and lower case are equivalent (thus
+.B \-BMP
+is the same as
+.BR \-bmp ).
+British spellings are also accepted (e.g.
+.BR \-greyscale ),
+though for brevity these are not mentioned below.
+.PP
+The basic switches are:
+.TP
+.BI \-colors " N"
+Reduce image to at most N colors [legacy feature].  This reduces the number of
+colors used in the output image so that it can be stored in a colormapped file
+format.  This feature cannot be used when decompressing lossless JPEG images.
+.TP
+.BI \-quantize " N"
+Same as
+.BR \-colors .
+.B \-colors
+is the recommended name.
+.B \-quantize
+is provided only for backward compatibility.
+.TP
+.B \-fast
+Select recommended processing options for low-quality output [legacy feature].
+(The default options are chosen for highest-quality output.)  Currently, this
+is equivalent to \fB\-dct fast \-nosmooth \-onepass \-dither ordered\fR.  On
+modern CPUs, these settings have little or no performance benefit and are
+retained solely for backward compatibility.
+.TP
+.B \-grayscale
+Force grayscale output even if JPEG file is full-color.  This feature cannot be
+used when decompressing full-color lossless JPEG images.
+.TP
+.B \-rgb
+Force RGB output even if JPEG file is grayscale.  This feature cannot be used
+when decompressing grayscale lossless JPEG images.
+.TP
+.BI \-scale " M/N"
+Scale the output image by a factor M/N.  Currently the scale factor must be
+M/8, where M is an integer between 1 and 16 inclusive, or any reduced fraction
+thereof (such as 1/2, 3/4, etc.)  Scaling is handy if the image is larger than
+your screen.  This feature cannot be used when decompressing lossless JPEG
+images.
+.TP
+.B \-bmp
+Select BMP output format (Windows flavor).  8-bit colormapped format is
+emitted if
+.B \-colors
+or
+.B \-grayscale
+is specified, or if the JPEG file is grayscale; otherwise, 24-bit full-color
+format is emitted.  This format can only be used when decompressing
+8-bit-per-sample JPEG images.
+.TP
+.B \-gif
+Select GIF output format (LZW-compressed) [legacy feature].  Since GIF does not
+support more than 256 colors,
+.B \-colors 256
+is assumed (unless you specify a smaller number of colors).  If you specify
+.BR \-fast,
+the default number of colors is 216.  This format can only be used when
+decompressing 8-bit-per-sample or 12-bit-per-sample lossy JPEG images.
+.TP
+.B \-gif0
+Select GIF output format (uncompressed) [legacy feature].  Since GIF does not
+support more than 256 colors,
+.B \-colors 256
+is assumed (unless you specify a smaller number of colors).  If you specify
+.BR \-fast,
+the default number of colors is 216.  This format can only be used when
+decompressing 8-bit-per-sample or 12-bit-per-sample lossy JPEG images.
+.TP
+.B \-os2
+Select BMP output format (OS/2 1.x flavor) [legacy feature].  8-bit colormapped
+format is emitted if
+.B \-colors
+or
+.B \-grayscale
+is specified, or if the JPEG file is grayscale; otherwise, 24-bit full-color
+format is emitted.  This format can only be used when decompressing
+8-bit-per-sample JPEG images.
+.TP
+.B \-pnm
+Select PBMPLUS (PPM/PGM) output format (this is the default format).
+PGM is emitted if the JPEG file is grayscale or if
+.B \-grayscale
+is specified; otherwise PPM is emitted.
+.TP
+.B \-targa
+Select Targa output format [legacy feature].  Grayscale format is emitted if
+the JPEG file is grayscale or if
+.B \-grayscale
+is specified; otherwise, colormapped format is emitted if
+.B \-colors
+is specified; otherwise, 24-bit full-color format is emitted.  This format can
+only be used when decompressing 8-bit-per-sample JPEG images.
+.PP
+Switches for advanced users:
+.TP
+.B \-dct int
+Use accurate integer DCT method (default).
+.TP
+.B \-dct fast
+Use less accurate integer DCT method [legacy feature].
+When the Independent JPEG Group's software was first released in 1991, the
+decompression time for a 1-megapixel JPEG image on a mainstream PC was measured
+in minutes.  Thus, the \fBfast\fR integer DCT algorithm provided noticeable
+performance benefits.  On modern CPUs running libjpeg-turbo, however, the
+decompression time for a 1-megapixel JPEG image is measured in milliseconds,
+and thus the performance benefits of the \fBfast\fR algorithm are much less
+noticeable.  On modern x86/x86-64 CPUs that support AVX2 instructions, the
+\fBfast\fR and \fBint\fR methods have similar performance.  On other types of
+CPUs, the \fBfast\fR method is generally about 5-15% faster than the \fBint\fR
+method.
+
+If the JPEG image was compressed using a quality level of 85 or below, then
+there should be little or no perceptible quality difference between the two
+algorithms.  When decompressing images that were compressed using quality
+levels above 85, however, the difference between the \fBfast\fR and \fBint\fR
+methods becomes more pronounced.  With images compressed using quality=97, for
+instance, the \fBfast\fR method incurs generally about a 4-6 dB loss in PSNR
+relative to the \fBint\fR method, but this can be larger for some images.  If
+you can avoid it, do not use the \fBfast\fR method when decompressing images
+that were compressed using quality levels above 97.  The algorithm often
+degenerates for such images and can actually produce a more lossy output image
+than if the JPEG image had been compressed using lower quality levels.
+.TP
+.B \-dct float
+Use floating-point DCT method [legacy feature].
+The \fBfloat\fR method does not produce significantly more accurate results
+than the \fBint\fR method, and it is much slower.  The \fBfloat\fR method may
+also give different results on different machines due to varying roundoff
+behavior, whereas the integer methods should give the same results on all
+machines.
+.TP
+.B \-dither fs
+Use Floyd-Steinberg dithering when quantizing colors [legacy feature].
+.TP
+.B \-dither ordered
+Use ordered dithering when quantizing colors [legacy feature].
+.TP
+.B \-dither none
+Do not use dithering when quantizing colors [legacy feature].  By default,
+Floyd-Steinberg dithering is applied when quantizing colors.  This is slower
+but usually produces the best results.  Ordered dithering is a compromise
+between speed and quality.  No dithering is faster but usually looks awful.
+Note that these switches have no effect unless color quantization is being
+done.  Ordered dithering is only available in
+.B \-onepass
+mode.
+.TP
+.BI \-icc " file"
+Extract ICC color management profile to the specified file.
+.TP
+.BI \-map " file"
+Quantize to the colors used in the specified image file [legacy feature].  This
+is useful for producing multiple files with identical color maps, or for
+forcing a predefined set of colors to be used.  The
+.I file
+must be a GIF or PPM file. This option overrides
+.B \-colors
+and
+.BR \-onepass .
+.TP
+.B \-nosmooth
+Use a faster, lower-quality upsampling routine.
+.TP
+.B \-onepass
+Use one-pass instead of two-pass color quantization [legacy feature].  The
+one-pass method needs less memory, but it produces a lower-quality image.
+.B \-onepass
+is ignored unless you also specify
+.B \-colors
+.IR N .
+Also, the one-pass method is always used for grayscale output.  (The two-pass
+method has no improvement in that case.)
+.TP
+.BI \-maxmemory " N"
+Set limit for amount of memory to use in processing large images.  Value is
+in thousands of bytes, or millions of bytes if "M" is attached to the
+number.  For example,
+.B \-max 4m
+selects 4000000 bytes.  If more space is needed, an error will occur.
+.TP
+.BI \-maxscans " N"
+Abort if the JPEG image contains more than
+.I N
+scans.  This feature demonstrates a method by which applications can guard
+against denial-of-service attacks instigated by specially-crafted malformed
+JPEG images containing numerous scans with missing image data or image data
+consisting only of "EOB runs" (a feature of progressive JPEG images that allows
+potentially hundreds of thousands of adjoining zero-value pixels to be
+represented using only a few bytes.)  Attempting to decompress such malformed
+JPEG images can cause excessive CPU activity, since the decompressor must fully
+process each scan (even if the scan is corrupt) before it can proceed to the
+next scan.
+.TP
+.BI \-outfile " name"
+Send output image to the named file, not to standard output.
+.TP
+.BI \-memsrc
+Load input file into memory before decompressing.  This feature was implemented
+mainly as a way of testing the in-memory source manager (jpeg_mem_src().)
+.TP
+.BI \-report
+Report decompression progress.
+.TP
+.BI \-skip " Y0,Y1"
+Decompress all rows of the JPEG image except those between Y0 and Y1
+(inclusive.)  Note that if decompression scaling is being used, then Y0 and Y1
+are relative to the scaled image dimensions.
+.TP
+.BI \-crop " WxH+X+Y"
+Decompress only a rectangular subregion of the image, starting at point X,Y
+with width W and height H.  If necessary, X will be shifted left to the nearest
+iMCU boundary, and the width will be increased accordingly.  Note that if
+decompression scaling is being used, then X, Y, W, and H are relative to the
+scaled image dimensions.  Currently this option only works with the
+PBMPLUS (PPM/PGM), GIF, and Targa output formats.
+.TP
+.BI \-strict
+Treat all warnings as fatal.  This feature also demonstrates a method by which
+applications can guard against attacks instigated by specially-crafted
+malformed JPEG images.  Enabling this option will cause the decompressor to
+abort if the JPEG image contains incomplete or corrupt image data.
+.TP
+.B \-verbose
+Enable debug printout.  More
+.BR \-v 's
+give more output.  Also, version information is printed at startup.
+.TP
+.B \-debug
+Same as
+.BR \-verbose .
+.TP
+.B \-version
+Print version information and exit.
+.SH EXAMPLES
+.LP
+This example decompresses the JPEG file foo.jpg and saves the output in 8-bit
+BMP format in foo.bmp:
+.IP
+.B djpeg \-bmp
+.I foo.jpg
+.B >
+.I foo.bmp
+.SH ENVIRONMENT
+.TP
+.B JPEGMEM
+If this environment variable is set, its value is the default memory limit.
+The value is specified as described for the
+.B \-maxmemory
+switch.
+.B JPEGMEM
+overrides the default value specified when the program was compiled, and
+itself is overridden by an explicit
+.BR \-maxmemory .
+.SH SEE ALSO
+.BR cjpeg (1),
+.BR jpegtran (1),
+.BR rdjpgcom (1),
+.BR wrjpgcom (1)
+.br
+.BR ppm (5),
+.BR pgm (5)
+.br
+Wallace, Gregory K.  "The JPEG Still Picture Compression Standard",
+Communications of the ACM, April 1991 (vol. 34, no. 4), pp. 30-44.
+.SH AUTHOR
+Independent JPEG Group
+.PP
+This file was modified by The libjpeg-turbo Project to include only information
+relevant to libjpeg-turbo, to wordsmith certain sections, and to describe
+features not present in libjpeg.

linux/contrib/libjpeg-turbo-3.1.2/doc/doxygen-extra.css

@@ -0,0 +1,7 @@
+code {
+	color: #4665A2;
+}
+
+th.markdownTableHeadNone {
+	color: black;
+}

linux/contrib/libjpeg-turbo-3.1.2/doc/doxygen.config

@@ -1,6 +1,7 @@
 PROJECT_NAME = TurboJPEG
-PROJECT_NUMBER = 1.6
-OUTPUT_DIRECTORY = doc/
+PROJECT_NUMBER = 3.1
+OUTPUT_DIRECTORY = ../doc/
+HTML_OUTPUT = turbojpeg
 USE_WINDOWS_ENCODING = NO
 OPTIMIZE_OUTPUT_FOR_C = YES
 WARN_NO_PARAMDOC = YES
@@ -13,4 +14,4 @@ JAVADOC_AUTOBRIEF = YES
 MAX_INITIALIZER_LINES = 0
 ALWAYS_DETAILED_SEC = YES
 HTML_TIMESTAMP = NO
-HTML_EXTRA_STYLESHEET = doxygen-extra.css
+HTML_EXTRA_STYLESHEET = ../doc/doxygen-extra.css

linux/contrib/libjpeg-turbo-3.1.2/doc/jpegtran.1

@@ -1,4 +1,4 @@
-.TH JPEGTRAN 1 "18 March 2017"
+.TH JPEGTRAN 1 "30 August 2024"
 .SH NAME
 jpegtran \- lossless transformation of JPEG files
 .SH SYNOPSIS
@@ -13,7 +13,7 @@ jpegtran \- lossless transformation of JPEG files
 .SH DESCRIPTION
 .LP
 .B jpegtran
-performs various useful transformations of JPEG files.
+performs various useful transformations of lossy (DCT-based) JPEG files.
 It can translate the coded representation from one variant of JPEG to another,
 for example from baseline JPEG to progressive JPEG or vice versa.  It can also
 perform some rearrangements of the image data, for example turning an image
@@ -64,13 +64,13 @@ Perform optimization of entropy encoding parameters.
 .B \-progressive
 Create progressive JPEG file.
 .TP
-.BI \-restart " N"
-Emit a JPEG restart marker every N MCU rows, or every N MCU blocks if "B" is
-attached to the number.
-.TP
 .B \-arithmetic
 Use arithmetic coding.
 .TP
+.BI \-restart " N"
+Emit a JPEG restart marker every N MCU rows, or every N MCUs if "B" is attached
+to the number.
+.TP
 .BI \-scans " file"
 Use the scan script given in the specified text file.
 .PP
@@ -161,10 +161,10 @@ to do a perfect rotation, if available, or an approximated one if not.
 .PP
 This version of \fBjpegtran\fR also offers a lossless crop option, which
 discards data outside of a given image region but losslessly preserves what is
-inside. Like the rotate and flip transforms, lossless crop is restricted by the
-current JPEG format; the upper left corner of the selected region must fall on
-an iMCU boundary.  If it doesn't, then it is silently moved up and/or left to
-the nearest iMCU boundary (the lower right corner is unchanged.)  Thus, the
+inside.  Like the rotate and flip transforms, lossless crop is restricted by
+the current JPEG format; the upper left corner of the selected region must fall
+on an iMCU boundary.  If it doesn't, then it is silently moved up and/or left
+to the nearest iMCU boundary (the lower right corner is unchanged.)  Thus, the
 output image covers at least the requested region, but it may cover more.  The
 adjustment of the region dimensions may be optionally disabled by attaching
 an 'f' character ("force") to the width or height number.
@@ -180,6 +180,47 @@ left corner of the selected region must fall on an iMCU boundary.  If it
 doesn't, then it is silently moved up and/or left to the nearest iMCU boundary
 (the lower right corner is unchanged.)
 .PP
+If W or H is larger than the width/height of the input image, then the output
+image is expanded in size, and the expanded region is filled in with zeros
+(neutral gray).  Attaching an 'f' character ("flatten") to the width number
+will cause each block in the expanded region to be filled in with the DC
+coefficient of the nearest block in the input image rather than grayed out.
+Attaching an 'r' character ("reflect") to the width number will cause the
+expanded region to be filled in with repeated reflections of the input image
+rather than grayed out.
+.PP
+A complementary lossless wipe option is provided to discard (gray out) data
+inside a given image region while losslessly preserving what is outside:
+.TP
+.B \-wipe WxH+X+Y
+Wipe (gray out) a rectangular region of width W and height H from the input
+image, starting at point X,Y.
+.PP
+Attaching an 'f' character ("flatten") to the width number will cause the
+region to be filled with the average of adjacent blocks rather than grayed out.
+If the wipe region and the region outside the wipe region, when adjusted to the
+nearest iMCU boundary, form two horizontally adjacent rectangles, then
+attaching an 'r' character ("reflect") to the width number will cause the wipe
+region to be filled with repeated reflections of the outside region rather than
+grayed out.
+.PP
+A lossless drop option is also provided, which allows another JPEG image to be
+inserted ("dropped") into the input image data at a given position, replacing
+the existing image data at that position:
+.TP
+.B \-drop +X+Y filename
+Drop (insert) another image at point X,Y
+.PP
+Both the input image and the drop image must have the same subsampling level.
+It is best if they also have the same quantization (quality.)  Otherwise, the
+quantization of the output image will be adapted to accommodate the higher of
+the input image quality and the drop image quality.  The trim option can be
+used with the drop option to requantize the drop image to match the input
+image.  Note that a grayscale image can be dropped into a full-color image or
+vice versa, as long as the full-color image has no vertical subsampling.  If
+the input image is grayscale and the drop image is full-color, then the
+chrominance channels from the drop image will be discarded.
+.PP
 Other not-strictly-lossless transformation switches are:
 .TP
 .B \-grayscale
@@ -206,6 +247,10 @@ comments and other metadata in the source file.
 Copy only comment markers.  This setting copies comments from the source file
 but discards any other metadata.
 .TP
+.B \-copy icc
+Copy only ICC profile markers.  This setting copies the ICC profile from the
+source file but discards any other metadata.
+.TP
 .B \-copy all
 Copy all extra markers.  This setting preserves miscellaneous markers
 found in the source file, such as JFIF thumbnails, Exif data, and Photoshop
@@ -220,7 +265,7 @@ Additional switches recognized by jpegtran are:
 .BI \-icc " file"
 Embed ICC color management profile contained in the specified file.  Note that
 this will cause \fBjpegtran\fR to ignore any APP2 markers in the input file,
-even if \fB-copy all\fR is specified.
+even if \fB-copy all\fR or \fB-copy icc\fR is specified.
 .TP
 .BI \-maxmemory " N"
 Set limit for amount of memory to use in processing large images.  Value is
@@ -229,9 +274,31 @@ number.  For example,
 .B \-max 4m
 selects 4000000 bytes.  If more space is needed, an error will occur.
 .TP
+.BI \-maxscans " N"
+Abort if the input image contains more than
+.I N
+scans.  This feature demonstrates a method by which applications can guard
+against denial-of-service attacks instigated by specially-crafted malformed
+JPEG images containing numerous scans with missing image data or image data
+consisting only of "EOB runs" (a feature of progressive JPEG images that allows
+potentially hundreds of thousands of adjoining zero-value pixels to be
+represented using only a few bytes.)  Attempting to transform such malformed
+JPEG images can cause excessive CPU activity, since the decompressor must fully
+process each scan (even if the scan is corrupt) before it can proceed to the
+next scan.
+.TP
 .BI \-outfile " name"
 Send output image to the named file, not to standard output.
 .TP
+.BI \-report
+Report transformation progress.
+.TP
+.BI \-strict
+Treat all warnings as fatal.  This feature also demonstrates a method by which
+applications can guard against attacks instigated by specially-crafted
+malformed JPEG images.  Enabling this option will cause the decompressor to
+abort if the input image contains incomplete or corrupt image data.
+.TP
 .B \-verbose
 Enable debug printout.  More
 .BR \-v 's

linux/contrib/libjpeg-turbo-3.1.2/doc/structure.txt

@@ -2,8 +2,10 @@ IJG JPEG LIBRARY:  SYSTEM ARCHITECTURE
 
 This file was part of the Independent JPEG Group's software:
 Copyright (C) 1991-2012, Thomas G. Lane, Guido Vollbeding.
-It was modified by The libjpeg-turbo Project to include only information
-relevant to libjpeg-turbo.
+Lossless JPEG Modifications:
+Copyright (C) 1999, Ken Murchison.
+libjpeg-turbo Modifications:
+Copyright (C) 2022-2023, D. R. Commander.
 For conditions of distribution and use, see the accompanying README.ijg file.
 
 
@@ -23,8 +25,10 @@ In this document, JPEG-specific terminology follows the JPEG standard:
   A "sample" is a single component value (i.e., one number in the image data).
   A "coefficient" is a frequency coefficient (a DCT transform output number).
   A "block" is an 8x8 group of samples or coefficients.
-  An "MCU" (minimum coded unit) is an interleaved set of blocks of size
-        determined by the sampling factors, or a single block in a
+  A "data unit" is an abstract data type that is either a block for lossy
+        (DCT-based) codecs or a sample for lossless (predictive) codecs.
+  An "MCU" (minimum coded unit) is an interleaved set of data units of size
+        determined by the sampling factors, or a single data unit in a
         noninterleaved scan.
 We do not use the terms "pixel" and "sample" interchangeably.  When we say
 pixel, we mean an element of the full-size image, while a sample is an element
@@ -45,22 +49,14 @@ command-line user interface and I/O routines for several uncompressed image
 formats.  This document concentrates on the library itself.
 
 We desire the library to be capable of supporting all JPEG baseline, extended
-sequential, and progressive DCT processes.  Hierarchical processes are not
-supported.
-
-The library does not support the lossless (spatial) JPEG process.  Lossless
-JPEG shares little or no code with lossy JPEG, and would normally be used
-without the extensive pre- and post-processing provided by this library.
-We feel that lossless JPEG is better handled by a separate library.
+sequential, progressive DCT, and lossless (spatial) processes.  Hierarchical
+processes are not supported.
 
 Within these limits, any set of compression parameters allowed by the JPEG
 spec should be readable for decompression.  (We can be more restrictive about
 what formats we can generate.)  Although the system design allows for all
 parameter values, some uncommon settings are not yet implemented and may
-never be; nonintegral sampling ratios are the prime example.  Furthermore,
-we treat 8-bit vs. 12-bit data precision as a compile-time switch, not a
-run-time option, because most machines can store 8-bit pixels much more
-compactly than 12-bit.
+never be; nonintegral sampling ratios are the prime example.
 
 By itself, the library handles only interchange JPEG datastreams --- in
 particular the widely used JFIF file format.  The library can be used by
@@ -89,12 +85,12 @@ nonetheless, they are useful for viewers.
 The compressor and decompressor are each divided into two main sections:
 the JPEG compressor or decompressor proper, and the preprocessing or
 postprocessing functions.  The interface between these two sections is the
-image data that the official JPEG spec regards as its input or output: this
-data is in the colorspace to be used for compression, and it is downsampled
-to the sampling factors to be used.  The preprocessing and postprocessing
-steps are responsible for converting a normal image representation to or from
-this form.  (Those few applications that want to deal with YCbCr downsampled
-data can skip the preprocessing or postprocessing step.)
+image data that Rec. ITU-T T.81 | ISO/IEC 10918-1 regards as its input or
+output: this data is in the colorspace to be used for compression, and it is
+downsampled to the sampling factors to be used.  The preprocessing and
+postprocessing steps are responsible for converting a normal image
+representation to or from this form.  (Those few applications that want to deal
+with YCbCr downsampled data can skip the preprocessing or postprocessing step.)
 
 Looking more closely, the compressor library contains the following main
 elements:
@@ -103,9 +99,13 @@ elements:
     * Color space conversion (e.g., RGB to YCbCr).
     * Edge expansion and downsampling.  Optionally, this step can do simple
       smoothing --- this is often helpful for low-quality source data.
-  JPEG proper:
+  Lossy JPEG proper:
     * MCU assembly, DCT, quantization.
     * Entropy coding (sequential or progressive, Huffman or arithmetic).
+  Lossless JPEG proper:
+    * Point transform.
+    * Prediction, differencing.
+    * Entropy coding (Huffman or arithmetic)
 
 In addition to these modules we need overall control, marker generation,
 and support code (memory management & error handling).  There is also a
@@ -115,9 +115,13 @@ do something else with the data.
 
 The decompressor library contains the following main elements:
 
-  JPEG proper:
+  Lossy JPEG proper:
     * Entropy decoding (sequential or progressive, Huffman or arithmetic).
     * Dequantization, inverse DCT, MCU disassembly.
+  Lossless JPEG proper:
+    * Entropy decoding (Huffman or arithmetic).
+    * Prediction, undifferencing.
+    * Point transform, sample size scaling.
   Postprocessing:
     * Upsampling.  Optionally, this step may be able to do more general
       rescaling of the image.
@@ -141,22 +145,22 @@ allow such merging where appropriate.
 
 
 Note: it is convenient to regard edge expansion (padding to block boundaries)
-as a preprocessing/postprocessing function, even though the JPEG spec includes
-it in compression/decompression.  We do this because downsampling/upsampling
-can be simplified a little if they work on padded data: it's not necessary to
-have special cases at the right and bottom edges.  Therefore the interface
-buffer is always an integral number of blocks wide and high, and we expect
-compression preprocessing to pad the source data properly.  Padding will occur
-only to the next block (8-sample) boundary.  In an interleaved-scan situation,
-additional dummy blocks may be used to fill out MCUs, but the MCU assembly and
-disassembly logic will create or discard these blocks internally.  (This is
-advantageous for speed reasons, since we avoid DCTing the dummy blocks.
-It also permits a small reduction in file size, because the compressor can
-choose dummy block contents so as to minimize their size in compressed form.
-Finally, it makes the interface buffer specification independent of whether
-the file is actually interleaved or not.)  Applications that wish to deal
-directly with the downsampled data must provide similar buffering and padding
-for odd-sized images.
+as a preprocessing/postprocessing function, even though
+Rec. ITU-T T.81 | ISO/IEC 10918-1 includes it in compression/decompression.  We
+do this because downsampling/upsampling can be simplified a little if they work
+on padded data: it's not necessary to have special cases at the right and
+bottom edges.  Therefore the interface buffer is always an integral number of
+blocks wide and high, and we expect compression preprocessing to pad the source
+data properly.  Padding will occur only to the next block (8-sample) boundary.
+In an interleaved-scan situation, additional dummy blocks may be used to fill
+out MCUs, but the MCU assembly and disassembly logic will create or discard
+these blocks internally.  (This is advantageous for speed reasons, since we
+avoid DCTing the dummy blocks.  It also permits a small reduction in file size,
+because the compressor can choose dummy block contents so as to minimize their
+size in compressed form.  Finally, it makes the interface buffer specification
+independent of whether the file is actually interleaved or not.)  Applications
+that wish to deal directly with the downsampled data must provide similar
+buffering and padding for odd-sized images.
 
 
 *** Poor man's object-oriented programming ***
@@ -283,7 +287,8 @@ task performed by any one controller.
 
 *** Compression object structure ***
 
-Here is a sketch of the logical structure of the JPEG compression library:
+Here is a sketch of the logical structure of the JPEG compression library in
+lossy mode:
 
                                                  |-- Colorspace conversion
                   |-- Preprocessing controller --|
@@ -293,6 +298,19 @@ Main controller --|
                   |-- Coefficient controller --|
                                                |-- Entropy encoding
 
+... and in lossless mode:
+
+                                                 |-- Colorspace conversion
+                  |-- Preprocessing controller --|
+                  |                              |-- Downsampling
+Main controller --|
+                  |                           |-- Point transform
+                  |                           |
+                  |-- Difference controller --|-- Prediction, differencing
+                                              |
+                                              |-- Lossless mode entropy
+                                                  encoding
+
 This sketch also describes the flow of control (subroutine calls) during
 typical image data processing.  Each of the components shown in the diagram is
 an "object" which may have several different implementations available.  One
@@ -346,6 +364,22 @@ The objects shown above are:
   during each pass, and the coder must emit the appropriate subset of
   coefficients.
 
+* Difference controller: buffer controller for the spatial difference data.
+  When emitting a multiscan JPEG file, this controller is responsible for
+  buffering the full image.  The equivalent of one fully interleaved MCU row
+  of subsampled data is processed per call, even when the JPEG file is
+  noninterleaved.
+
+* Point transform: Downscale the data by the point transform value.
+
+* Prediction and differencing: Calculate the predictor and subtract it
+  from the input.  Works on one scanline per call.  The difference
+  controller supplies the prior scanline, which is used for prediction.
+
+* Lossless mode entropy encoding: Perform Huffman or arithmetic entropy coding
+  and emit the coded data to the data destination module.  This module handles
+  MCU assembly.  Works on one MCU row per call.
+
 In addition to the above objects, the compression library includes these
 objects:
 
@@ -386,7 +420,8 @@ decompression; the progress monitor, if used, may be shared as well.
 
 *** Decompression object structure ***
 
-Here is a sketch of the logical structure of the JPEG decompression library:
+Here is a sketch of the logical structure of the JPEG decompression library in
+lossy mode:
 
                                                |-- Entropy decoding
                   |-- Coefficient controller --|
@@ -397,6 +432,20 @@ Main controller --|
                                                   |-- Color quantization
                                                   |-- Color precision reduction
 
+... and in lossless mode:
+
+                                              |-- Lossless mode entropy
+                                              |   decoding
+                                              |
+                  |-- Difference controller --|-- Prediction, undifferencing
+                  |                           |
+                  |                           |-- Point transform, sample size
+                  |                               scaling
+Main controller --|
+                  |                               |-- Upsampling
+                  |-- Postprocessing controller --|
+                                                  |-- Color precision reduction
+
 As before, this diagram also represents typical control flow.  The objects
 shown are:
 
@@ -430,6 +479,22 @@ shown are:
   that emit fewer samples per DCT block, not the full 8x8.  Works on one DCT
   block at a time.
 
+* Difference controller: buffer controller for the spatial difference data.
+  When reading a multiscan JPEG file, this controller is responsible for
+  buffering the full image. The equivalent of one fully interleaved MCU row
+  is processed per call, even when the source JPEG file is noninterleaved.
+
+* Lossless mode entropy decoding: Read coded data from the data source module
+  and perform Huffman or arithmetic entropy decoding.  Works on one MCU row per
+  call.
+
+* Prediction and undifferencing: Calculate the predictor and add it to the
+  decoded difference.  Works on one scanline per call.  The difference
+  controller supplies the prior scanline, which is used for prediction.
+
+* Point transform and sample size scaling: Upscale the data by the point
+  transform value and downscale it to fit into the compiled-in sample size.
+
 * Postprocessing controller: buffer controller for the color quantization
   input buffer, when quantization is in use.  (Without quantization, this
   controller just calls the upsampler.)  For two-pass quantization, this
@@ -453,9 +518,9 @@ shown are:
   is not used for full-color output.  Works on one pixel row at a time; may
   require two passes to generate a color map.  Note that the output will
   always be a single component representing colormap indexes.  In the current
-  design, the output values are JSAMPLEs, so an 8-bit compilation cannot
-  quantize to more than 256 colors.  This is unlikely to be a problem in
-  practice.
+  design, the output values are JSAMPLEs, J12SAMPLEs, or J16SAMPLEs, so the
+  library cannot quantize to more than 256 colors when using 8-bit data
+  precision.  This is unlikely to be a problem in practice.
 
 * Color reduction: this module handles color precision reduction, e.g.,
   generating 15-bit color (5 bits/primary) from JPEG's 24-bit output.
@@ -541,32 +606,44 @@ there isn't any real need for it.
 
 *** Data formats ***
 
-Arrays of pixel sample values use the following data structure:
+Arrays of 8-bit pixel sample values use the following data structure:
 
     typedef something JSAMPLE;          a pixel component value, 0..MAXJSAMPLE
     typedef JSAMPLE *JSAMPROW;          ptr to a row of samples
     typedef JSAMPROW *JSAMPARRAY;       ptr to a list of rows
     typedef JSAMPARRAY *JSAMPIMAGE;     ptr to a list of color-component arrays
 
-The basic element type JSAMPLE will typically be one of unsigned char,
-(signed) char, or short.  Short will be used if samples wider than 8 bits are
-to be supported (this is a compile-time option).  Otherwise, unsigned char is
-used if possible.  If the compiler only supports signed chars, then it is
-necessary to mask off the value when reading.  Thus, all reads of JSAMPLE
-values must be coded as "GETJSAMPLE(value)", where the macro will be defined
-as "((value) & 0xFF)" on signed-char machines and "((int) (value))" elsewhere.
+Arrays of 12-bit pixel sample values use the following data structure:
 
-With these conventions, JSAMPLE values can be assumed to be >= 0.  This helps
+    typedef something J12SAMPLE;        a pixel component value, 0..MAXJ12SAMPLE
+    typedef J12SAMPLE *J12SAMPROW;      ptr to a row of samples
+    typedef J12SAMPROW *J12SAMPARRAY;   ptr to a list of rows
+    typedef J12SAMPARRAY *J12SAMPIMAGE; ptr to a list of color-component arrays
+
+Arrays of 16-bit pixel sample values use the following data structure:
+
+    typedef something J16SAMPLE;        a pixel component value, 0..MAXJ16SAMPLE
+    typedef J16SAMPLE *J16SAMPROW;      ptr to a row of samples
+    typedef J16SAMPROW *J16SAMPARRAY;   ptr to a list of rows
+    typedef J16SAMPARRAY *J16SAMPIMAGE; ptr to a list of color-component arrays
+
+The basic element type JSAMPLE (8-bit sample) will be unsigned char, the basic
+element type J12SAMPLE (12-bit sample) will be short, and the basic element
+type J16SAMPLE (16-bit sample) will be unsigned short.
+
+With these conventions, J*SAMPLE values can be assumed to be >= 0.  This helps
 simplify correct rounding during downsampling, etc.  The JPEG standard's
-specification that sample values run from -128..127 is accommodated by
+specification that 8-bit sample values run from -128..127 is accommodated by
 subtracting 128 from the sample value in the DCT step.  Similarly, during
 decompression the output of the IDCT step will be immediately shifted back to
-0..255.  (NB: different values are required when 12-bit samples are in use.
-The code is written in terms of MAXJSAMPLE and CENTERJSAMPLE, which will be
-defined as 255 and 128 respectively in an 8-bit implementation, and as 4095
-and 2048 in a 12-bit implementation.)
+0..255.  (NOTE: different values are required when 12-bit samples are in use.
+When 8-bit samples are in use, the code uses MAXJSAMPLE and CENTERJSAMPLE,
+which are defined as 255 and 128 respectively.  When 12-bit samples are in use,
+the code uses MAXJ12SAMPLE and CENTERJ12SAMPLE, which are defined as 4095 and
+2048 respectively.  When 16-bit samples are in use, the code uses MAXJ16SAMPLE
+and CENTERJ16SAMPLE, which are defined as 65535 and 32768 respectively.)
 
-We use a pointer per row, rather than a two-dimensional JSAMPLE array.  This
+We use a pointer per row, rather than a two-dimensional J*SAMPLE array.  This
 choice costs only a small amount of memory and has several benefits:
 * Code using the data structure doesn't need to know the allocated width of
   the rows.  This simplifies edge expansion/compression, since we can work
@@ -587,7 +664,7 @@ we can read or write each component to a temporary file independently, which
 is helpful when dealing with noninterleaved JPEG files.
 
 In general, a specific sample value is accessed by code such as
-        GETJSAMPLE(image[colorcomponent][row][col])
+        image[colorcomponent][row][col]
 where col is measured from the image left edge, but row is measured from the
 first sample row currently in memory.  Either of the first two indexings can
 be precomputed by copying the relevant pointer.
@@ -596,9 +673,9 @@ be precomputed by copying the relevant pointer.
 Since most image-processing applications prefer to work on images in which
 the components of a pixel are stored together, the data passed to or from the
 surrounding application uses the traditional convention: a single pixel is
-represented by N consecutive JSAMPLE values, and an image row is an array of
-(# of color components)*(image width) JSAMPLEs.  One or more rows of data can
-be represented by a pointer of type JSAMPARRAY in this scheme.  This scheme is
+represented by N consecutive J*SAMPLE values, and an image row is an array of
+(# of color components)*(image width) J*SAMPLEs.  One or more rows of data can
+be represented by a pointer of type J*SAMPARRAY in this scheme.  This scheme is
 converted to component-wise storage inside the JPEG library.  (Applications
 that want to skip JPEG preprocessing or postprocessing will have to contend
 with component-wise storage.)
@@ -737,17 +814,17 @@ The memory manager deals with three kinds of object:
    pointers on MS-DOS machines.)  Note that individual "large" objects cannot
    exceed the size allowed by type size_t, which may be 64K or less on some
    machines.
-3. "Virtual" objects.  These are large 2-D arrays of JSAMPLEs or JBLOCKs
+3. "Virtual" objects.  These are large 2-D arrays of J*SAMPLEs or JBLOCKs
    (typically large enough for the entire image being processed).  The
    memory manager provides stripwise access to these arrays.  On machines
    without virtual memory, the rest of the array may be swapped out to a
    temporary file.
 
-(Note: JSAMPARRAY and JBLOCKARRAY data structures are a combination of large
+(Note: J*SAMPARRAY and JBLOCKARRAY data structures are a combination of large
 objects for the data proper and small objects for the row pointers.  For
 convenience and speed, the memory manager provides single routines to create
 these structures.  Similarly, virtual arrays include a small control block
-and a JSAMPARRAY or JBLOCKARRAY working buffer, all created with one call.)
+and a J*SAMPARRAY or JBLOCKARRAY working buffer, all created with one call.)
 
 In the present implementation, virtual arrays are only permitted to have image
 lifespan.  (Permanent lifespan would not be reasonable, and pass lifespan is
@@ -774,7 +851,7 @@ To support all this, we establish the following protocol for doing business
 with the memory manager:
   1. Modules must request virtual arrays (which may have only image lifespan)
      during the initial setup phase, i.e., in their jinit_xxx routines.
-  2. All "large" objects (including JSAMPARRAYs and JBLOCKARRAYs) must also be
+  2. All "large" objects (including J*SAMPARRAYs and JBLOCKARRAYs) must also be
      allocated during initial setup.
   3. realize_virt_arrays will be called at the completion of initial setup.
      The above conventions ensure that sufficient information is available

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/annotated.html

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+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US">
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+<meta name="generator" content="Doxygen 1.9.8"/>
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+<body>
+<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
+<div id="titlearea">
+<table cellspacing="0" cellpadding="0">
+ <tbody>
+ <tr id="projectrow">
+  <td id="projectalign">
+   <div id="projectname">TurboJPEG<span id="projectnumber">&#160;3.1</span>
+   </div>
+  </td>
+ </tr>
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+</table>
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+<!-- end header part -->
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+  <div class="headertitle"><div class="title">Data Structures</div></div>
+</div><!--header-->
+<div class="contents">
+<div class="textblock">Here are the data structures with brief descriptions:</div><div class="directory">
+<table class="directory">
+<tr id="row_0_" class="even"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structtjregion.html" target="_self">tjregion</a></td><td class="desc">Cropping region </td></tr>
+<tr id="row_1_" class="odd"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structtjscalingfactor.html" target="_self">tjscalingfactor</a></td><td class="desc">Scaling factor </td></tr>
+<tr id="row_2_" class="even"><td class="entry"><span style="width:16px;display:inline-block;">&#160;</span><span class="icona"><span class="icon">C</span></span><a class="el" href="structtjtransform.html" target="_self">tjtransform</a></td><td class="desc">Lossless transform </td></tr>
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linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/classes.html

@@ -0,0 +1,88 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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+<div class="qindex"><a class="qindex" href="#letter_T">T</a></div>
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+<dt class="alphachar"><a id="letter_T" name="letter_T">T</a></dt>
+<dd><a class="el" href="structtjregion.html">tjregion</a></dd><dd><a class="el" href="structtjscalingfactor.html">tjscalingfactor</a></dd><dd><a class="el" href="structtjtransform.html">tjtransform</a></dd></dl>
+</div>
+</div><!-- contents -->
+<!-- start footer part -->
+<hr class="footer"/><address class="footer"><small>
+Generated by&#160;<a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.8
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+/*
+ @licstart  The following is the entire license notice for the JavaScript code in this file.
+
+ The MIT License (MIT)
+
+ Copyright (C) 1997-2020 by Dimitri van Heesch
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ and associated documentation files (the "Software"), to deal in the Software without restriction,
+ including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in all copies or
+ substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+ @licend  The above is the entire license notice for the JavaScript code in this file
+ */
+function toggleVisibility(linkObj)
+{
+ var base = $(linkObj).attr('id');
+ var summary = $('#'+base+'-summary');
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+  $('table.directory tr').
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+}
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+    var i = $('#img'+this.id.substring(3));
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+    if (l<level+1) {
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+      $(this).show();
+    } else if (l==level+1) {
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+      a.html('&#9658;');
+      $(this).show();
+    } else {
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+    }
+  });
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+}
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+  // all rows after the clicked row
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+
+  var re = new RegExp('^row_'+id+'\\d+_$', "i"); //only one sub
+
+  // only match elements AFTER this one (can't hide elements before)
+  var childRows = rows.filter(function() { return this.id.match(re); });
+
+  // first row is visible we are HIDING
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+    currentRowSpans.filter(".arrow").html('&#9658;');
+    rows.filter("[id^=row_"+id+"]").hide(); // hide all children
+  } else { // we are SHOWING
+    // replace right arrow by down arrow for current row
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+    currentRowSpans.filter(".iconfclosed").removeClass("iconfclosed").addClass("iconfopen");
+    currentRowSpans.filter(".arrow").html('&#9660;');
+    // replace down arrows by right arrows for child rows
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+    childRowsSpans.filter(".iconfopen").removeClass("iconfopen").addClass("iconfclosed");
+    childRowsSpans.filter(".arrow").html('&#9658;');
+    childRows.show(); //show all children
+  }
+  updateStripes();
+}
+
+
+function toggleInherit(id)
+{
+  var rows = $('tr.inherit.'+id);
+  var img = $('tr.inherit_header.'+id+' img');
+  var src = $(img).attr('src');
+  if (rows.filter(':first').is(':visible')===true) {
+    rows.css('display','none');
+    $(img).attr('src',src.substring(0,src.length-8)+'closed.png');
+  } else {
+    rows.css('display','table-row'); // using show() causes jump in firefox
+    $(img).attr('src',src.substring(0,src.length-10)+'open.png');
+  }
+}
+
+var opened=true;
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+var plusImg  = [ "var(--fold-plus-image)",  "var(--fold-plus-image-relpath)" ];
+var minusImg = [ "var(--fold-minus-image)", "var(--fold-minus-image-relpath)" ];
+
+// toggle all folding blocks
+function codefold_toggle_all(relPath) {
+ if (opened) {
+   $('#fold_all').css('background-image',plusImg[relPath]);
+   $('div[id^=foldopen]').hide();
+   $('div[id^=foldclosed]').show();
+ } else {
+   $('#fold_all').css('background-image',minusImg[relPath]);
+   $('div[id^=foldopen]').show();
+   $('div[id^=foldclosed]').hide();
+ }
+ opened=!opened;
+}
+
+// toggle single folding block
+function codefold_toggle(id) {
+  $('#foldopen'+id).toggle();
+  $('#foldclosed'+id).toggle();
+}
+function init_codefold(relPath) {
+  $('span[class=lineno]').css(
+    {'padding-right':'4px',
+     'margin-right':'2px',
+     'display':'inline-block',
+     'width':'54px',
+     'background':'linear-gradient(var(--fold-line-color),var(--fold-line-color)) no-repeat 46px/2px 100%'
+    });
+  // add global toggle to first line
+  $('span[class=lineno]:first').append('<span class="fold" id="fold_all" '+
+                                             'onclick="javascript:codefold_toggle_all('+relPath+');" '+
+                                             'style="background-image:'+minusImg[relPath]+';"></span>');
+  // add vertical lines to other rows
+  $('span[class=lineno]').not(':eq(0)').append('<span class="fold"></span>');
+  // add toggle controls to lines with fold divs
+  $('div[class=foldopen]').each(function() {
+    // extract specific id to use
+    var id    = $(this).attr('id').replace('foldopen','');
+    // extract start and end foldable fragment attributes
+    var start = $(this).attr('data-start');
+    var end   = $(this).attr('data-end');
+    // replace normal fold span with controls for the first line of a foldable fragment
+    $(this).find('span[class=fold]:first').replaceWith('<span class="fold" '+
+                                                       'onclick="javascript:codefold_toggle(\''+id+'\');" '+
+                                                       'style="background-image:'+minusImg[relPath]+';"></span>');
+    // append div for folded (closed) representation
+    $(this).after('<div id="foldclosed'+id+'" class="foldclosed" style="display:none;"></div>');
+    // extract the first line from the "open" section to represent closed content
+    var line = $(this).children().first().clone();
+    // remove any glow that might still be active on the original line
+    $(line).removeClass('glow');
+    if (start) {
+      // if line already ends with a start marker (e.g. trailing {), remove it
+      $(line).html($(line).html().replace(new RegExp('\\s*'+start+'\\s*$','g'),''));
+    }
+    // replace minus with plus symbol
+    $(line).find('span[class=fold]').css('background-image',plusImg[relPath]);
+    // append ellipsis
+    $(line).append(' '+start+'<a href="javascript:codefold_toggle(\''+id+'\')">&#8230;</a>'+end);
+    // insert constructed line into closed div
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+  });
+}
+
+/* @license-end */

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linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/functions_vars.html

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+ </tbody>
+</table>
+</div>
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+<!-- Generated by Doxygen 1.9.8 -->
+<script type="text/javascript">
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+var searchBox = new SearchBox("searchBox", "search/",'.html');
+/* @license-end */
+</script>
+<script type="text/javascript" src="menudata.js"></script>
+<script type="text/javascript" src="menu.js"></script>
+<script type="text/javascript">
+/* @license magnet:?xt=urn:btih:d3d9a9a6595521f9666a5e94cc830dab83b65699&amp;dn=expat.txt MIT */
+$(function() {
+  initMenu('',true,false,'search.php','Search');
+  $(document).ready(function() { init_search(); });
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+/* @license-end */
+</script>
+<div id="main-nav"></div>
+</div><!-- top -->
+<!-- window showing the filter options -->
+<div id="MSearchSelectWindow"
+     onmouseover="return searchBox.OnSearchSelectShow()"
+     onmouseout="return searchBox.OnSearchSelectHide()"
+     onkeydown="return searchBox.OnSearchSelectKey(event)">
+</div>
+
+<!-- iframe showing the search results (closed by default) -->
+<div id="MSearchResultsWindow">
+<div id="MSearchResults">
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+<div class="SRStatus" id="Searching">Searching...</div>
+<div class="SRStatus" id="NoMatches">No Matches</div>
+</div>
+</div>
+</div>
+</div>
+
+<div class="header">
+  <div class="headertitle"><div class="title">TurboJPEG Documentation</div></div>
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+<div class="contents">
+</div><!-- contents -->
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+/*
+ @licstart  The following is the entire license notice for the JavaScript code in this file.
+
+ The MIT License (MIT)
+
+ Copyright (C) 1997-2020 by Dimitri van Heesch
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ and associated documentation files (the "Software"), to deal in the Software without restriction,
+ including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in all copies or
+ substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+ @licend  The above is the entire license notice for the JavaScript code in this file
+ */
+function initMenu(relPath,searchEnabled,serverSide,searchPage,search) {
+  function makeTree(data,relPath) {
+    var result='';
+    if ('children' in data) {
+      result+='<ul>';
+      for (var i in data.children) {
+        var url;
+        var link;
+        link = data.children[i].url;
+        if (link.substring(0,1)=='^') {
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+        result+='<li><a href="'+url+'">'+
+                                data.children[i].text+'</a>'+
+                                makeTree(data.children[i],relPath)+'</li>';
+      }
+      result+='</ul>';
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+    return result;
+  }
+  var searchBoxHtml;
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+    if (serverSide) {
+      searchBoxHtml='<div id="MSearchBox" class="MSearchBoxInactive">'+
+                 '<div class="left">'+
+                  '<form id="FSearchBox" action="'+relPath+searchPage+
+                    '" method="get"><span id="MSearchSelectExt">&#160;</span>'+
+                  '<input type="text" id="MSearchField" name="query" value="" placeholder="'+search+
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+    } else {
+      searchBoxHtml='<div id="MSearchBox" class="MSearchBoxInactive">'+
+                 '<span class="left">'+
+                  '<span id="MSearchSelect" onmouseover="return searchBox.OnSearchSelectShow()"'+
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+                 '</span>'+
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+
+  $('#main-nav').before('<div class="sm sm-dox"><input id="main-menu-state" type="checkbox"/>'+
+                        '<label class="main-menu-btn" for="main-menu-state">'+
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+                        '</div>');
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+          $('#searchBoxPos1').empty();
+          $('#searchBoxPos2').html(searchBoxHtml);
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+        prevWidth = newWidth;
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+    $(window).ready(function() { resetState(); initResizableIfExists(); });
+    $(window).resize(resetState);
+  }
+  $('#main-menu').smartmenus();
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+/*
+ @licstart  The following is the entire license notice for the JavaScript code in this file.
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+ The MIT License (MIT)
+
+ Copyright (C) 1997-2020 by Dimitri van Heesch
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ and associated documentation files (the "Software"), to deal in the Software without restriction,
+ including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in all copies or
+ substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+ @licend  The above is the entire license notice for the JavaScript code in this file
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+var menudata={children:[
+{text:"Main Page",url:"index.html"},
+{text:"Topics",url:"topics.html"},
+{text:"Data Structures",url:"annotated.html",children:[
+{text:"Data Structures",url:"annotated.html"},
+{text:"Data Structure Index",url:"classes.html"},
+{text:"Data Fields",url:"functions.html",children:[
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+  ['tjxop_5frot90_61',['TJXOP_ROT90',['../group___turbo_j_p_e_g.html#gga2de531af4e7e6c4f124908376b354866a43b2bbb23bc4bd548422d43fbe9af128',1,'turbojpeg.h']]],
+  ['tjxop_5ftranspose_62',['TJXOP_TRANSPOSE',['../group___turbo_j_p_e_g.html#gga2de531af4e7e6c4f124908376b354866a31060aed199f886afdd417f80499c32d',1,'turbojpeg.h']]],
+  ['tjxop_5ftransverse_63',['TJXOP_TRANSVERSE',['../group___turbo_j_p_e_g.html#gga2de531af4e7e6c4f124908376b354866af3b14d488aea6ece9e5b3df73a74d6a4',1,'turbojpeg.h']]],
+  ['tjxop_5fvflip_64',['TJXOP_VFLIP',['../group___turbo_j_p_e_g.html#gga2de531af4e7e6c4f124908376b354866a324eddfbec53b7e691f61e56929d0d5d',1,'turbojpeg.h']]]
+];

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/functions_0.js

@@ -0,0 +1,44 @@
+var searchData=
+[
+  ['tj3alloc_0',['tj3Alloc',['../group___turbo_j_p_e_g.html#ga1a2c96d8b47530b6e6050ba6f10b7c57',1,'turbojpeg.h']]],
+  ['tj3compress12_1',['tj3Compress12',['../group___turbo_j_p_e_g.html#ga9a1968c384ec7abb6122830253ebf570',1,'turbojpeg.h']]],
+  ['tj3compress16_2',['tj3Compress16',['../group___turbo_j_p_e_g.html#ga77901b71d0471784f318ada31ff4e7bd',1,'turbojpeg.h']]],
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+  ['tj3compressfromyuv8_4',['tj3CompressFromYUV8',['../group___turbo_j_p_e_g.html#ga041c870d9c669eb3f385c78f4346c43f',1,'turbojpeg.h']]],
+  ['tj3compressfromyuvplanes8_5',['tj3CompressFromYUVPlanes8',['../group___turbo_j_p_e_g.html#gac9f5ace3e73805b476c95dda9f8d0cd0',1,'turbojpeg.h']]],
+  ['tj3decodeyuv8_6',['tj3DecodeYUV8',['../group___turbo_j_p_e_g.html#gaa1eb574f38b1c1de43a6c7aafcf68d8c',1,'turbojpeg.h']]],
+  ['tj3decodeyuvplanes8_7',['tj3DecodeYUVPlanes8',['../group___turbo_j_p_e_g.html#gad366f1915f82c1ad4e7e37ebe073ca89',1,'turbojpeg.h']]],
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+  ['tj3decompress16_9',['tj3Decompress16',['../group___turbo_j_p_e_g.html#gaa074e63f9beb0b3ff42b833a4049df6e',1,'turbojpeg.h']]],
+  ['tj3decompress8_10',['tj3Decompress8',['../group___turbo_j_p_e_g.html#ga1169c7c1a26ec18c9e6122cb8ae64013',1,'turbojpeg.h']]],
+  ['tj3decompressheader_11',['tj3DecompressHeader',['../group___turbo_j_p_e_g.html#ga96d2c4b3432f9d88ad14758ae240b8d1',1,'turbojpeg.h']]],
+  ['tj3decompresstoyuv8_12',['tj3DecompressToYUV8',['../group___turbo_j_p_e_g.html#ga1e6bf6a19fec3f9fa7534348879d8320',1,'turbojpeg.h']]],
+  ['tj3decompresstoyuvplanes8_13',['tj3DecompressToYUVPlanes8',['../group___turbo_j_p_e_g.html#ga934373482dbbf257f2280505b6ff4fb5',1,'turbojpeg.h']]],
+  ['tj3destroy_14',['tj3Destroy',['../group___turbo_j_p_e_g.html#ga53fbadf4560e95a65b8f5ab81703fe82',1,'turbojpeg.h']]],
+  ['tj3encodeyuv8_15',['tj3EncodeYUV8',['../group___turbo_j_p_e_g.html#ga2a8d50f130bde10f0a04030f8cc59936',1,'turbojpeg.h']]],
+  ['tj3encodeyuvplanes8_16',['tj3EncodeYUVPlanes8',['../group___turbo_j_p_e_g.html#gae2e9df38790e9bddc249d04cb158a4cf',1,'turbojpeg.h']]],
+  ['tj3free_17',['tj3Free',['../group___turbo_j_p_e_g.html#gaddb84fb6c81769e9faa0f5a63b296606',1,'turbojpeg.h']]],
+  ['tj3get_18',['tj3Get',['../group___turbo_j_p_e_g.html#ga34af9ba3183bdf0ec7c8f47bb9a4c84f',1,'turbojpeg.h']]],
+  ['tj3geterrorcode_19',['tj3GetErrorCode',['../group___turbo_j_p_e_g.html#gab8c8279f1415fe425ff30dbbc56013bd',1,'turbojpeg.h']]],
+  ['tj3geterrorstr_20',['tj3GetErrorStr',['../group___turbo_j_p_e_g.html#ga5a23ad0776c5333cda0d7c6d826e9d29',1,'turbojpeg.h']]],
+  ['tj3geticcprofile_21',['tj3GetICCProfile',['../group___turbo_j_p_e_g.html#ga63dc21a762b26aa217e8f48ac748bef7',1,'turbojpeg.h']]],
+  ['tj3getscalingfactors_22',['tj3GetScalingFactors',['../group___turbo_j_p_e_g.html#gaf9253e0c2e9f464142d389673da085fa',1,'turbojpeg.h']]],
+  ['tj3init_23',['tj3Init',['../group___turbo_j_p_e_g.html#ga69c09d39f97ec30250ad3605ace7e5df',1,'turbojpeg.h']]],
+  ['tj3jpegbufsize_24',['tj3JPEGBufSize',['../group___turbo_j_p_e_g.html#gac6285e58e35a35d871d7162ec5a929c4',1,'turbojpeg.h']]],
+  ['tj3loadimage12_25',['tj3LoadImage12',['../group___turbo_j_p_e_g.html#gaa1d3772cfdb53afa21aae3c606238d44',1,'turbojpeg.h']]],
+  ['tj3loadimage16_26',['tj3LoadImage16',['../group___turbo_j_p_e_g.html#gace4240b665dc47742cbb3b76b03dfd69',1,'turbojpeg.h']]],
+  ['tj3loadimage8_27',['tj3LoadImage8',['../group___turbo_j_p_e_g.html#ga884023536e70985616126a073f662001',1,'turbojpeg.h']]],
+  ['tj3saveimage12_28',['tj3SaveImage12',['../group___turbo_j_p_e_g.html#ga7c64b5106d04267a46aad85f9714ad90',1,'turbojpeg.h']]],
+  ['tj3saveimage16_29',['tj3SaveImage16',['../group___turbo_j_p_e_g.html#ga0fd87851f4266aca24bf4594dd0c0e71',1,'turbojpeg.h']]],
+  ['tj3saveimage8_30',['tj3SaveImage8',['../group___turbo_j_p_e_g.html#gaa4ec838988e469cc15618e4690cc8722',1,'turbojpeg.h']]],
+  ['tj3set_31',['tj3Set',['../group___turbo_j_p_e_g.html#gaddf92640bfee3e8622218c713e77e7db',1,'turbojpeg.h']]],
+  ['tj3setcroppingregion_32',['tj3SetCroppingRegion',['../group___turbo_j_p_e_g.html#gaa49c7bd4c9431667a043cfc93388ba1c',1,'turbojpeg.h']]],
+  ['tj3seticcprofile_33',['tj3SetICCProfile',['../group___turbo_j_p_e_g.html#ga5852aa6e9ee3a457798a1741642dec40',1,'turbojpeg.h']]],
+  ['tj3setscalingfactor_34',['tj3SetScalingFactor',['../group___turbo_j_p_e_g.html#ga89da17ee1e43ff423382cbc145803c75',1,'turbojpeg.h']]],
+  ['tj3transform_35',['tj3Transform',['../group___turbo_j_p_e_g.html#gaff23ba1dcabed456794b844791613920',1,'turbojpeg.h']]],
+  ['tj3transformbufsize_36',['tj3TransformBufSize',['../group___turbo_j_p_e_g.html#ga1c13482ad590fefe34f30a43ba110d60',1,'turbojpeg.h']]],
+  ['tj3yuvbufsize_37',['tj3YUVBufSize',['../group___turbo_j_p_e_g.html#gaaebaa16973a0f550a66eca5765ed0546',1,'turbojpeg.h']]],
+  ['tj3yuvplaneheight_38',['tj3YUVPlaneHeight',['../group___turbo_j_p_e_g.html#ga969767ec8180cc3edd99cf507f87299b',1,'turbojpeg.h']]],
+  ['tj3yuvplanesize_39',['tj3YUVPlaneSize',['../group___turbo_j_p_e_g.html#gacc19d265edce76b46146f59579f9438d',1,'turbojpeg.h']]],
+  ['tj3yuvplanewidth_40',['tj3YUVPlaneWidth',['../group___turbo_j_p_e_g.html#gac99d1933ede1d59fcada9a826e88eb2d',1,'turbojpeg.h']]]
+];

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/groups_0.js

@@ -0,0 +1,4 @@
+var searchData=
+[
+  ['turbojpeg_0',['TurboJPEG',['../group___turbo_j_p_e_g.html',1,'']]]
+];

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/mag.svg

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "https://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   viewBox="0 0 20 19"
+   height="19"
+   width="20"
+   id="svg2"
+   version="1.1">
+  <defs
+     id="defs6" />
+  <circle
+     r="3.5"
+     cy="8.5"
+     cx="5.5"
+     id="path4611"
+     style="fill:#000000;fill-opacity:0;stroke:#656565;stroke-width:1.4;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:none" />
+  <path
+     id="path4630"
+     d="m 8.1085854,11.109059 2.7823556,2.782356"
+     style="fill:none;stroke:#656565;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+</svg>

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/mag_d.svg

@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "https://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   viewBox="0 0 20 19"
+   height="19"
+   width="20"
+   id="svg2"
+   version="1.1">
+  <defs
+     id="defs6" />
+  <circle
+     r="3.5"
+     cy="8.5"
+     cx="5.5"
+     id="path4611"
+     style="fill:#000000;fill-opacity:0;stroke:#C5C5C5;stroke-width:1.4;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:none" />
+  <path
+     id="path4630"
+     d="m 8.1085854,11.109059 2.7823556,2.782356"
+     style="fill:none;stroke:#C5C5C5;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1" />
+</svg>

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/mag_sel.svg

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "https://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   id="svg2"
+   width="20"
+   height="19"
+   viewBox="0 0 20 19"
+  >
+  <defs
+     id="defs6" />
+  <circle
+     style="fill:#000000;fill-opacity:0;stroke:#656565;stroke-width:1.4;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:none"
+     id="path4611"
+     cx="5.5"
+     cy="8.5"
+     r="3.5" />
+  <path
+     style="fill:#656565;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+     d="M 11,7 13.5,10 16,7 Z"
+     id="path4609"
+     />
+  <path
+     style="fill:none;stroke:#656565;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+     d="m 8.1085854,11.109059 2.7823556,2.782356"
+     id="path4630"
+     />
+</svg>

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/mag_seld.svg

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "https://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg
+   xmlns="http://www.w3.org/2000/svg"
+   version="1.1"
+   id="svg2"
+   width="20"
+   height="19"
+   viewBox="0 0 20 19"
+  >
+  <defs
+     id="defs6" />
+  <circle
+     style="fill:#000000;fill-opacity:0;stroke:#c5C5C5;stroke-width:1.4;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:none"
+     id="path4611"
+     cx="5.5"
+     cy="8.5"
+     r="3.5" />
+  <path
+     style="fill:#c5C5C5;fill-opacity:1;stroke:none;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+     d="M 11,7 13.5,10 16,7 Z"
+     id="path4609"
+     />
+  <path
+     style="fill:none;stroke:#c5C5C5;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-opacity:1"
+     d="m 8.1085854,11.109059 2.7823556,2.782356"
+     id="path4630"
+     />
+</svg>

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/search.css

@@ -0,0 +1,291 @@
+/*---------------- Search Box positioning */
+
+#main-menu > li:last-child {
+    /* This <li> object is the parent of the search bar */
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    height: 36px;
+    margin-right: 1em;
+}
+
+/*---------------- Search box styling */
+
+.SRPage * {
+    font-weight: normal;
+    line-height: normal;
+}
+
+dark-mode-toggle {
+    margin-left: 5px;
+    display: flex;
+    float: right;
+}
+
+#MSearchBox {
+    display: inline-block;
+    white-space : nowrap;
+    background: var(--search-background-color);
+    border-radius: 0.65em;
+    box-shadow: var(--search-box-shadow);
+    z-index: 102;
+}
+
+#MSearchBox .left {
+    display: inline-block;
+    vertical-align: middle;
+    height: 1.4em;
+}
+
+#MSearchSelect {
+    display: inline-block;
+    vertical-align: middle;
+    width: 20px;
+    height: 19px;
+    background-image: var(--search-magnification-select-image);
+    margin: 0 0 0 0.3em;
+    padding: 0;
+}
+
+#MSearchSelectExt {
+    display: inline-block;
+    vertical-align: middle;
+    width: 10px;
+    height: 19px;
+    background-image: var(--search-magnification-image);
+    margin: 0 0 0 0.5em;
+    padding: 0;
+}
+
+
+#MSearchField {
+    display: inline-block;
+    vertical-align: middle;
+    width: 7.5em;
+    height: 19px;
+    margin: 0 0.15em;
+    padding: 0;
+    line-height: 1em;
+    border:none;
+    color: var(--search-foreground-color);
+    outline: none;
+    font-family: var(--font-family-search);
+    -webkit-border-radius: 0px;
+    border-radius: 0px;
+    background: none;
+}
+
+@media(hover: none) {
+    /* to avoid zooming on iOS */
+    #MSearchField {
+        font-size: 16px;
+    }
+}
+
+#MSearchBox .right {
+    display: inline-block;
+    vertical-align: middle;
+    width: 1.4em;
+    height: 1.4em;
+}
+
+#MSearchClose {
+    display: none;
+    font-size: inherit;
+    background : none;
+    border: none;
+    margin: 0;
+    padding: 0;
+    outline: none;
+
+}
+
+#MSearchCloseImg {
+    padding: 0.3em;
+    margin: 0;
+}
+
+.MSearchBoxActive #MSearchField {
+    color: var(--search-active-color);
+}
+
+
+
+/*---------------- Search filter selection */
+
+#MSearchSelectWindow {
+    display: none;
+    position: absolute;
+    left: 0; top: 0;
+    border: 1px solid var(--search-filter-border-color);
+    background-color: var(--search-filter-background-color);
+    z-index: 10001;
+    padding-top: 4px;
+    padding-bottom: 4px;
+    -moz-border-radius: 4px;
+    -webkit-border-top-left-radius: 4px;
+    -webkit-border-top-right-radius: 4px;
+    -webkit-border-bottom-left-radius: 4px;
+    -webkit-border-bottom-right-radius: 4px;
+    -webkit-box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.15);
+}
+
+.SelectItem {
+    font: 8pt var(--font-family-search);
+    padding-left:  2px;
+    padding-right: 12px;
+    border: 0px;
+}
+
+span.SelectionMark {
+    margin-right: 4px;
+    font-family: var(--font-family-monospace);
+    outline-style: none;
+    text-decoration: none;
+}
+
+a.SelectItem {
+    display: block;
+    outline-style: none;
+    color: var(--search-filter-foreground-color);
+    text-decoration: none;
+    padding-left:   6px;
+    padding-right: 12px;
+}
+
+a.SelectItem:focus,
+a.SelectItem:active {
+    color: var(--search-filter-foreground-color);
+    outline-style: none;
+    text-decoration: none;
+}
+
+a.SelectItem:hover {
+    color: var(--search-filter-highlight-text-color);
+    background-color: var(--search-filter-highlight-bg-color);
+    outline-style: none;
+    text-decoration: none;
+    cursor: pointer;
+    display: block;
+}
+
+/*---------------- Search results window */
+
+iframe#MSearchResults {
+    /*width: 60ex;*/
+    height: 15em;
+}
+
+#MSearchResultsWindow {
+    display: none;
+    position: absolute;
+    left: 0; top: 0;
+    border: 1px solid var(--search-results-border-color);
+    background-color: var(--search-results-background-color);
+    z-index:10000;
+    width: 300px;
+    height: 400px;
+    overflow: auto;
+}
+
+/* ----------------------------------- */
+
+
+#SRIndex {
+    clear:both; 
+}
+
+.SREntry {
+    font-size: 10pt;
+    padding-left: 1ex;
+}
+
+.SRPage .SREntry {
+    font-size: 8pt;
+    padding: 1px 5px;
+}
+
+div.SRPage {
+    margin: 5px 2px;
+    background-color: var(--search-results-background-color);
+}
+
+.SRChildren {
+    padding-left: 3ex; padding-bottom: .5em 
+}
+
+.SRPage .SRChildren {
+    display: none;
+}
+
+.SRSymbol {
+    font-weight: bold;
+    color: var(--search-results-foreground-color);
+    font-family: var(--font-family-search);
+    text-decoration: none;
+    outline: none;
+}
+
+a.SRScope {
+    display: block;
+    color: var(--search-results-foreground-color);
+    font-family: var(--font-family-search);
+    font-size: 8pt;
+    text-decoration: none;
+    outline: none;
+}
+
+a.SRSymbol:focus, a.SRSymbol:active,
+a.SRScope:focus, a.SRScope:active {
+    text-decoration: underline;
+}
+
+span.SRScope {
+    padding-left: 4px;
+    font-family: var(--font-family-search);
+}
+
+.SRPage .SRStatus {
+    padding: 2px 5px;
+    font-size: 8pt;
+    font-style: italic;
+    font-family: var(--font-family-search);
+}
+
+.SRResult {
+    display: none;
+}
+
+div.searchresults {
+    margin-left: 10px;
+    margin-right: 10px;
+}
+
+/*---------------- External search page results */
+
+.pages b {
+   color: white;
+   padding: 5px 5px 3px 5px;
+   background-image: var(--nav-gradient-active-image-parent);
+   background-repeat: repeat-x;
+   text-shadow: 0 1px 1px #000000;
+}
+
+.pages {
+    line-height: 17px;
+    margin-left: 4px;
+    text-decoration: none;
+}
+
+.hl {
+    font-weight: bold;
+}
+
+#searchresults {
+    margin-bottom: 20px;
+}
+
+.searchpages {
+    margin-top: 10px;
+}
+

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/search.js

@@ -1,34 +1,27 @@
-// Search script generated by doxygen
-// Copyright (C) 2009 by Dimitri van Heesch.
+/*
+ @licstart  The following is the entire license notice for the JavaScript code in this file.
 
-// The code in this file is loosly based on main.js, part of Natural Docs,
-// which is Copyright (C) 2003-2008 Greg Valure
-// Natural Docs is licensed under the GPL.
+ The MIT License (MIT)
 
-var indexSectionsWithContent =
-{
-  0: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001100010000011001010011100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
-  1: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
-  2: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
-  3: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001100010000011001010011100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
-  4: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
-  5: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
-  6: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
-  7: "0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
-};
+ Copyright (C) 1997-2020 by Dimitri van Heesch
 
-var indexSectionNames =
-{
-  0: "all",
-  1: "classes",
-  2: "functions",
-  3: "variables",
-  4: "typedefs",
-  5: "enums",
-  6: "enumvalues",
-  7: "groups"
-};
+ Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ and associated documentation files (the "Software"), to deal in the Software without restriction,
+ including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
 
+ The above copyright notice and this permission notice shall be included in all copies or
+ substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+ @licend  The above is the entire license notice for the JavaScript code in this file
+ */
 function convertToId(search)
 {
   var result = '';
@@ -36,15 +29,15 @@ function convertToId(search)
   {
     var c = search.charAt(i);
     var cn = c.charCodeAt(0);
-    if (c.match(/[a-z0-9]/))
+    if (c.match(/[a-z0-9\u0080-\uFFFF]/))
     {
       result+=c;
     }
-    else if (cn<16) 
+    else if (cn<16)
     {
       result+="_0"+cn.toString(16);
     }
-    else 
+    else
     {
       result+="_"+cn.toString(16);
     }
@@ -80,17 +73,20 @@ function getYPos(item)
   return y;
 }
 
+var searchResults = new SearchResults("searchResults");
+
 /* A class handling everything associated with the search panel.
 
    Parameters:
-   name - The name of the global variable that will be 
+   name - The name of the global variable that will be
           storing this instance.  Is needed to be able to set timeouts.
    resultPath - path to use for external files
 */
-function SearchBox(name, resultsPath, inFrame, label)
+function SearchBox(name, resultsPath, extension)
 {
   if (!name || !resultsPath) {  alert("Missing parameters to SearchBox."); }
-   
+  if (!extension || extension == "") { extension = ".html"; }
+
   // ---------- Instance variables
   this.name                  = name;
   this.resultsPath           = resultsPath;
@@ -102,8 +98,7 @@ function SearchBox(name, resultsPath, inFrame, label)
   this.hideTimeout           = 0;
   this.searchIndex           = 0;
   this.searchActive          = false;
-  this.insideFrame           = inFrame;
-  this.searchLabel           = label;
+  this.extension             = extension;
 
   // ----------- DOM Elements
 
@@ -141,33 +136,17 @@ function SearchBox(name, resultsPath, inFrame, label)
     var searchSelectWindow = this.DOMSearchSelectWindow();
     var searchField        = this.DOMSearchSelect();
 
-    if (this.insideFrame)
-    {
-      var left = getXPos(searchField);
-      var top  = getYPos(searchField);
-      left += searchField.offsetWidth + 6;
-      top += searchField.offsetHeight;
+    var left = getXPos(searchField);
+    var top  = getYPos(searchField);
+    top += searchField.offsetHeight;
 
-      // show search selection popup
-      searchSelectWindow.style.display='block';
-      left -= searchSelectWindow.offsetWidth;
-      searchSelectWindow.style.left =  left + 'px';
-      searchSelectWindow.style.top  =  top  + 'px';
-    }
-    else
-    {
-      var left = getXPos(searchField);
-      var top  = getYPos(searchField);
-      top += searchField.offsetHeight;
-
-      // show search selection popup
-      searchSelectWindow.style.display='block';
-      searchSelectWindow.style.left =  left + 'px';
-      searchSelectWindow.style.top  =  top  + 'px';
-    }
+    // show search selection popup
+    searchSelectWindow.style.display='block';
+    searchSelectWindow.style.left =  left + 'px';
+    searchSelectWindow.style.top  =  top  + 'px';
 
     // stop selection hide timer
-    if (this.hideTimeout) 
+    if (this.hideTimeout)
     {
       clearTimeout(this.hideTimeout);
       this.hideTimeout=0;
@@ -177,7 +156,7 @@ function SearchBox(name, resultsPath, inFrame, label)
 
   this.OnSearchSelectHide = function()
   {
-    this.hideTimeout = setTimeout(this.name +".CloseSelectionWindow()",
+    this.hideTimeout = setTimeout(this.CloseSelectionWindow.bind(this),
                                   this.closeSelectionTimeout);
   }
 
@@ -196,7 +175,7 @@ function SearchBox(name, resultsPath, inFrame, label)
       if (e.shiftKey==1)
       {
         this.OnSearchSelectShow();
-        var win=this.DOMSearchSelectWindow(); 
+        var win=this.DOMSearchSelectWindow();
         for (i=0;i<win.childNodes.length;i++)
         {
           var child = win.childNodes[i]; // get span within a
@@ -208,14 +187,15 @@ function SearchBox(name, resultsPath, inFrame, label)
         }
         return;
       }
-      else if (window.frames.MSearchResults.searchResults)
+      else
       {
-        var elem = window.frames.MSearchResults.searchResults.NavNext(0);
+        var elem = searchResults.NavNext(0);
         if (elem) elem.focus();
       }
     }
     else if (e.keyCode==27) // Escape out of the search field
     {
+      e.stopPropagation();
       this.DOMSearchField().blur();
       this.DOMPopupSearchResultsWindow().style.display = 'none';
       this.DOMSearchClose().style.display = 'none';
@@ -232,7 +212,7 @@ function SearchBox(name, resultsPath, inFrame, label)
       if (searchValue != "") // non-empty search
       {
         // set timer for search update
-        this.keyTimeout = setTimeout(this.name + '.Search()',
+        this.keyTimeout = setTimeout(this.Search.bind(this),
                                      this.keyTimeoutLength);
       }
       else // empty search field
@@ -247,7 +227,7 @@ function SearchBox(name, resultsPath, inFrame, label)
   this.SelectItemCount = function(id)
   {
     var count=0;
-    var win=this.DOMSearchSelectWindow(); 
+    var win=this.DOMSearchSelectWindow();
     for (i=0;i<win.childNodes.length;i++)
     {
       var child = win.childNodes[i]; // get span within a
@@ -262,7 +242,7 @@ function SearchBox(name, resultsPath, inFrame, label)
   this.SelectItemSet = function(id)
   {
     var i,j=0;
-    var win=this.DOMSearchSelectWindow(); 
+    var win=this.DOMSearchSelectWindow();
     for (i=0;i<win.childNodes.length;i++)
     {
       var child = win.childNodes[i]; // get span within a
@@ -310,6 +290,7 @@ function SearchBox(name, resultsPath, inFrame, label)
     }
     else if (e.keyCode==13 || e.keyCode==27)
     {
+      e.stopPropagation();
       this.OnSelectItem(this.searchIndex);
       this.CloseSelectionWindow();
       this.DOMSearchField().focus();
@@ -341,92 +322,98 @@ function SearchBox(name, resultsPath, inFrame, label)
     var searchValue = this.DOMSearchField().value.replace(/^ +/, "");
 
     var code = searchValue.toLowerCase().charCodeAt(0);
-    var hexCode;
-    if (code<16) 
+    var idxChar = searchValue.substr(0, 1).toLowerCase();
+    if ( 0xD800 <= code && code <= 0xDBFF && searchValue > 1) // surrogate pair
     {
-      hexCode="0"+code.toString(16);
-    }
-    else 
-    {
-      hexCode=code.toString(16);
+      idxChar = searchValue.substr(0, 2);
     }
 
-    var resultsPage;
-    var resultsPageWithSearch;
-    var hasResultsPage;
+    var jsFile;
 
-    if (indexSectionsWithContent[this.searchIndex].charAt(code) == '1')
+    var idx = indexSectionsWithContent[this.searchIndex].indexOf(idxChar);
+    if (idx!=-1)
     {
-       resultsPage = this.resultsPath + '/' + indexSectionNames[this.searchIndex] + '_' + hexCode + '.html';
-       resultsPageWithSearch = resultsPage+'?'+escape(searchValue);
-       hasResultsPage = true;
-    }
-    else // nothing available for this search term
-    {
-       resultsPage = this.resultsPath + '/nomatches.html';
-       resultsPageWithSearch = resultsPage;
-       hasResultsPage = false;
+       var hexCode=idx.toString(16);
+       jsFile = this.resultsPath + indexSectionNames[this.searchIndex] + '_' + hexCode + '.js';
+    }
+
+    var loadJS = function(url, impl, loc){
+      var scriptTag = document.createElement('script');
+      scriptTag.src = url;
+      scriptTag.onload = impl;
+      scriptTag.onreadystatechange = impl;
+      loc.appendChild(scriptTag);
     }
 
-    window.frames.MSearchResults.location = resultsPageWithSearch;  
     var domPopupSearchResultsWindow = this.DOMPopupSearchResultsWindow();
+    var domSearchBox = this.DOMSearchBox();
+    var domPopupSearchResults = this.DOMPopupSearchResults();
+    var domSearchClose = this.DOMSearchClose();
+    var resultsPath = this.resultsPath;
 
-    if (domPopupSearchResultsWindow.style.display!='block')
-    {
-       var domSearchBox = this.DOMSearchBox();
-       this.DOMSearchClose().style.display = 'inline';
-       if (this.insideFrame)
-       {
-         var domPopupSearchResults = this.DOMPopupSearchResults();
-         domPopupSearchResultsWindow.style.position = 'relative';
-         domPopupSearchResultsWindow.style.display  = 'block';
-         var width = document.body.clientWidth - 8; // the -8 is for IE :-(
-         domPopupSearchResultsWindow.style.width    = width + 'px';
-         domPopupSearchResults.style.width          = width + 'px';
-       }
-       else
-       {
-         var domPopupSearchResults = this.DOMPopupSearchResults();
-         var left = getXPos(domSearchBox) + 150; // domSearchBox.offsetWidth;
-         var top  = getYPos(domSearchBox) + 20;  // domSearchBox.offsetHeight + 1;
-         domPopupSearchResultsWindow.style.display = 'block';
-         left -= domPopupSearchResults.offsetWidth;
-         domPopupSearchResultsWindow.style.top     = top  + 'px';
-         domPopupSearchResultsWindow.style.left    = left + 'px';
-       }
+    var handleResults = function() {
+      document.getElementById("Loading").style.display="none";
+      if (typeof searchData !== 'undefined') {
+        createResults(resultsPath);
+        document.getElementById("NoMatches").style.display="none";
+      }
+ 
+      if (idx!=-1) {
+        searchResults.Search(searchValue);
+      } else { // no file with search results => force empty search results
+        searchResults.Search('====');
+      }
+
+      if (domPopupSearchResultsWindow.style.display!='block')
+      {
+        domSearchClose.style.display = 'inline-block';
+        var left = getXPos(domSearchBox) + 150;
+        var top  = getYPos(domSearchBox) + 20;
+        domPopupSearchResultsWindow.style.display = 'block';
+        left -= domPopupSearchResults.offsetWidth;
+        var maxWidth  = document.body.clientWidth;
+        var maxHeight = document.body.clientHeight;
+        var width = 300;
+        if (left<10) left=10;
+        if (width+left+8>maxWidth) width=maxWidth-left-8;
+        var height = 400;
+        if (height+top+8>maxHeight) height=maxHeight-top-8;
+        domPopupSearchResultsWindow.style.top     = top  + 'px';
+        domPopupSearchResultsWindow.style.left    = left + 'px';
+        domPopupSearchResultsWindow.style.width   = width + 'px';
+        domPopupSearchResultsWindow.style.height  = height + 'px';
+      }
+    }
+
+    if (jsFile) {
+      loadJS(jsFile, handleResults, this.DOMPopupSearchResultsWindow());
+    } else {
+      handleResults();
     }
 
     this.lastSearchValue = searchValue;
-    this.lastResultsPage = resultsPage;
   }
 
   // -------- Activation Functions
 
-  // Activates or deactivates the search panel, resetting things to 
-  // their default values if necessary. 
+  // Activates or deactivates the search panel, resetting things to
+  // their default values if necessary.
   this.Activate = function(isActive)
   {
     if (isActive || // open it
-        this.DOMPopupSearchResultsWindow().style.display == 'block' 
+        this.DOMPopupSearchResultsWindow().style.display == 'block'
        )
     {
       this.DOMSearchBox().className = 'MSearchBoxActive';
-
-      var searchField = this.DOMSearchField();
-
-      if (searchField.value == this.searchLabel) // clear "Search" term upon entry
-      {  
-        searchField.value = '';  
-        this.searchActive = true;
-      }
+      this.searchActive = true;
     }
     else if (!isActive) // directly remove the panel
     {
       this.DOMSearchBox().className = 'MSearchBoxInactive';
-      this.DOMSearchField().value   = this.searchLabel;
       this.searchActive             = false;
       this.lastSearchValue          = ''
       this.lastResultsPage          = '';
+      this.DOMSearchField().value   = '';
     }
   }
 }
@@ -449,18 +436,18 @@ function SearchResults(name)
 
       while (element && element!=parentElement)
       {
-        if (element.nodeName == 'DIV' && element.className == 'SRChildren')
+        if (element.nodeName.toLowerCase() == 'div' && element.className == 'SRChildren')
         {
           return element;
         }
 
-        if (element.nodeName == 'DIV' && element.hasChildNodes())
-        {  
-           element = element.firstChild;  
+        if (element.nodeName.toLowerCase() == 'div' && element.hasChildNodes())
+        {
+           element = element.firstChild;
         }
         else if (element.nextSibling)
-        {  
-           element = element.nextSibling;  
+        {
+           element = element.nextSibling;
         }
         else
         {
@@ -471,8 +458,8 @@ function SearchResults(name)
           while (element && element!=parentElement && !element.nextSibling);
 
           if (element && element!=parentElement)
-          {  
-            element = element.nextSibling;  
+          {
+            element = element.nextSibling;
           }
         }
       }
@@ -525,7 +512,7 @@ function SearchResults(name)
           var rowMatchName = row.id.toLowerCase();
           rowMatchName = rowMatchName.replace(/^sr\d*_/, ''); // strip 'sr123_'
 
-          if (search.length<=rowMatchName.length && 
+          if (search.length<=rowMatchName.length &&
              rowMatchName.substr(0, search.length)==search)
           {
             row.style.display = 'block';
@@ -596,7 +583,7 @@ function SearchResults(name)
 
     this.ProcessKeys = function(e)
     {
-      if (e.type == "keydown") 
+      if (e.type == "keydown")
       {
         this.repeatOn = false;
         this.lastKey = e.keyCode;
@@ -617,7 +604,7 @@ function SearchResults(name)
       return this.lastKey!=0;
     }
 
-    this.Nav = function(evt,itemIndex) 
+    this.Nav = function(evt,itemIndex)
     {
       var e  = (evt) ? evt : window.event; // for IE
       if (e.keyCode==13) return true;
@@ -631,7 +618,7 @@ function SearchResults(name)
         {
           var child = this.FindChildElement(focusItem.parentNode.parentNode.id);
           if (child && child.style.display == 'block') // children visible
-          { 
+          {
             var n=0;
             var tmpElem;
             while (1) // search for last child
@@ -655,7 +642,7 @@ function SearchResults(name)
         }
         else // return focus to search field
         {
-           parent.document.getElementById("MSearchField").focus();
+           document.getElementById("MSearchField").focus();
         }
       }
       else if (this.lastKey==40) // Down
@@ -685,8 +672,9 @@ function SearchResults(name)
       }
       else if (this.lastKey==27) // Escape
       {
-        parent.searchBox.CloseResultsWindow();
-        parent.document.getElementById("MSearchField").focus();
+        e.stopPropagation();
+        searchBox.CloseResultsWindow();
+        document.getElementById("MSearchField").focus();
       }
       else if (this.lastKey==13) // Enter
       {
@@ -724,12 +712,13 @@ function SearchResults(name)
         if (elem)
         {
           elem.focus();
-        } 
+        }
       }
       else if (this.lastKey==27) // Escape
       {
-        parent.searchBox.CloseResultsWindow();
-        parent.document.getElementById("MSearchField").focus();
+        e.stopPropagation();
+        searchBox.CloseResultsWindow();
+        document.getElementById("MSearchField").focus();
       }
       else if (this.lastKey==13) // Enter
       {
@@ -752,9 +741,10 @@ function setClassAttr(elem,attr)
   elem.setAttribute('className',attr);
 }
 
-function createResults()
+function createResults(resultsPath)
 {
   var results = document.getElementById("SRResults");
+  results.innerHTML = '';
   for (var e=0; e<searchData.length; e++)
   {
     var id = searchData[e][0];
@@ -771,11 +761,16 @@ function createResults()
     srEntry.appendChild(srLink);
     if (searchData[e][1].length==2) // single result
     {
-      srLink.setAttribute('href',searchData[e][1][1][0]);
+      srLink.setAttribute('href',resultsPath+searchData[e][1][1][0]);
+      srLink.setAttribute('onclick','searchBox.CloseResultsWindow()');
       if (searchData[e][1][1][1])
       {
        srLink.setAttribute('target','_parent');
       }
+      else
+      {
+       srLink.setAttribute('target','_blank');
+      }
       var srScope = document.createElement('span');
       setClassAttr(srScope,'SRScope');
       srScope.innerHTML = searchData[e][1][1][2];
@@ -792,11 +787,16 @@ function createResults()
         srChild.setAttribute('id','Item'+e+'_c'+c);
         setKeyActions(srChild,'return searchResults.NavChild(event,'+e+','+c+')');
         setClassAttr(srChild,'SRScope');
-        srChild.setAttribute('href',searchData[e][1][c+1][0]);
+        srChild.setAttribute('href',resultsPath+searchData[e][1][c+1][0]);
+        srChild.setAttribute('onclick','searchBox.CloseResultsWindow()');
         if (searchData[e][1][c+1][1])
         {
          srChild.setAttribute('target','_parent');
         }
+        else
+        {
+         srChild.setAttribute('target','_blank');
+        }
         srChild.innerHTML = searchData[e][1][c+1][2];
         srChildren.appendChild(srChild);
       }
@@ -807,3 +807,34 @@ function createResults()
   }
 }
 
+function init_search()
+{
+  var results = document.getElementById("MSearchSelectWindow");
+  results.tabIndex=0;
+  for (var key in indexSectionLabels)
+  {
+    var link = document.createElement('a');
+    link.setAttribute('class','SelectItem');
+    link.setAttribute('onclick','searchBox.OnSelectItem('+key+')');
+    link.href='javascript:void(0)';
+    link.innerHTML='<span class="SelectionMark">&#160;</span>'+indexSectionLabels[key];
+    results.appendChild(link);
+  }
+  searchBox.OnSelectItem(0);
+
+  var input = document.getElementById("MSearchSelect");
+  var searchSelectWindow = document.getElementById("MSearchSelectWindow");
+  input.tabIndex=0;
+  input.addEventListener("keydown", function(event) {
+    if (event.keyCode==13 || event.keyCode==40) {
+      event.preventDefault();
+      if (searchSelectWindow.style.display == 'block') {
+        searchBox.CloseSelectionWindow();
+      } else {
+        searchBox.OnSearchSelectShow();
+        searchBox.DOMSearchSelectWindow().focus();
+      }
+    }
+  });
+}
+/* @license-end */

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/searchdata.js

@@ -0,0 +1,36 @@
+var indexSectionsWithContent =
+{
+  0: "cdfhinortwxy",
+  1: "t",
+  2: "t",
+  3: "cdhnortwxy",
+  4: "t",
+  5: "t",
+  6: "t",
+  7: "t"
+};
+
+var indexSectionNames =
+{
+  0: "all",
+  1: "classes",
+  2: "functions",
+  3: "variables",
+  4: "typedefs",
+  5: "enums",
+  6: "enumvalues",
+  7: "groups"
+};
+
+var indexSectionLabels =
+{
+  0: "All",
+  1: "Data Structures",
+  2: "Functions",
+  3: "Variables",
+  4: "Typedefs",
+  5: "Enumerations",
+  6: "Enumerator",
+  7: "Modules"
+};
+

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/typedefs_0.js

@@ -0,0 +1,5 @@
+var searchData=
+[
+  ['tjhandle_0',['tjhandle',['../group___turbo_j_p_e_g.html#ga758d2634ecb4949de7815cba621f5763',1,'turbojpeg.h']]],
+  ['tjtransform_1',['tjtransform',['../group___turbo_j_p_e_g.html#ga504805ec0161f1b505397ca0118bf8fd',1,'turbojpeg.h']]]
+];

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/variables_0.js

@@ -0,0 +1,4 @@
+var searchData=
+[
+  ['customfilter_0',['customFilter',['../structtjtransform.html#a0dc7697d59a7abe48afc629e96cbc1d2',1,'tjtransform']]]
+];

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/variables_1.js

@@ -0,0 +1,5 @@
+var searchData=
+[
+  ['data_0',['data',['../structtjtransform.html#a688fe8f1a8ecc12a538d9e561cf338e3',1,'tjtransform']]],
+  ['denom_1',['denom',['../structtjscalingfactor.html#aefbcdf3e9e62274b2d312c695f133ce3',1,'tjscalingfactor']]]
+];

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/variables_2.js

@@ -0,0 +1,4 @@
+var searchData=
+[
+  ['h_0',['h',['../structtjregion.html#aecefc45a26f4d8b60dd4d825c1710115',1,'tjregion']]]
+];

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/variables_3.js

@@ -0,0 +1,4 @@
+var searchData=
+[
+  ['num_0',['num',['../structtjscalingfactor.html#a9b011e57f981ee23083e2c1aa5e640ec',1,'tjscalingfactor']]]
+];

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/variables_4.js

@@ -0,0 +1,5 @@
+var searchData=
+[
+  ['op_0',['op',['../structtjtransform.html#a2525aab4ba6978a1c273f74fef50e498',1,'tjtransform']]],
+  ['options_1',['options',['../structtjtransform.html#ac0e74655baa4402209a21e1ae481c8f6',1,'tjtransform']]]
+];

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/variables_5.js

@@ -0,0 +1,4 @@
+var searchData=
+[
+  ['r_0',['r',['../structtjtransform.html#ac324e5e442abec8a961e5bf219db12cf',1,'tjtransform']]]
+];

linux/contrib/libjpeg-turbo-3.1.2/doc/turbojpeg/search/variables_6.js

@@ -0,0 +1,12 @@
+var searchData=
+[
+  ['tjalphaoffset_0',['tjAlphaOffset',['../group___turbo_j_p_e_g.html#ga5af0ab065feefd526debf1e20c43e837',1,'turbojpeg.h']]],
+  ['tjblueoffset_1',['tjBlueOffset',['../group___turbo_j_p_e_g.html#ga84e2e35d3f08025f976ec1ec53693dea',1,'turbojpeg.h']]],
+  ['tjgreenoffset_2',['tjGreenOffset',['../group___turbo_j_p_e_g.html#ga82d6e35da441112a411da41923c0ba2f',1,'turbojpeg.h']]],
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