4a51622705
This change introduces specific priority levels for audio and video tasks within the TaskQueueFactory to allow for better platform-specific thread scheduling. Changes: * New field trial WebRTC-MediaTaskQueuePriorities that activates the priority change. * New Priority Enums: Added kVideo and kAudio to TaskQueueFactory::Priority and corresponding kVideo and kAudio to ThreadPriority. * WebRTC platform thread implementation: - Video priority initially maps to high priority. - On Mac/iOS (GCD), both audio and video map to DISPATCH_QUEUE_PRIORITY_HIGH because of API limitation. * Task queue updates: - Updated the audio encoder queue to use kAudio priority. - Updated the video encoder & decoder, incoming video stream, and video frame transformer queues to use kVideo priority. * Queue renaming: Standardized several task queue names by appending "Queue" (e.g., "AudioEncoder" became "AudioEncoderQueue"). Bug: chromium:470337728 Change-Id: I4790990340a72a54945750c2c4e1f97314edf375 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/436580 Reviewed-by: Tomas Gunnarsson <tommi@webrtc.org> Commit-Queue: Markus Handell <handellm@webrtc.org> Cr-Commit-Position: refs/heads/main@{#46744}
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
/*
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* Copyright 2019 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef API_TASK_QUEUE_TASK_QUEUE_FACTORY_H_
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#define API_TASK_QUEUE_TASK_QUEUE_FACTORY_H_
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#include <memory>
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#include "absl/strings/string_view.h"
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#include "api/task_queue/task_queue_base.h"
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namespace webrtc {
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// The implementation of this interface must be thread-safe.
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class TaskQueueFactory {
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public:
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// TaskQueue priority levels. On some platforms these will map to thread
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// priorities, on others such as Mac and iOS, GCD queue priorities.
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enum class Priority {
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// Default priority.
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kNormal = 0,
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// High priority. Use for latency-sensitive tasks.
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kHigh,
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// Video priority. Use for video pipeline tasks.
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kVideo,
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// Audio priority. Use for audio pipeline tasks not including rendering.
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kAudio,
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// Low priority. Use for background tasks (e.g. logging, cleanup).
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kLow,
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// Deprecated: Use kNormal instead.
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NORMAL = kNormal,
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// Deprecated: Use kHigh instead.
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HIGH = kHigh,
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// Deprecated: Use kLow instead.
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LOW = kLow,
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};
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virtual ~TaskQueueFactory() = default;
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virtual std::unique_ptr<TaskQueueBase, TaskQueueDeleter> CreateTaskQueue(
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absl::string_view name,
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Priority priority) const = 0;
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};
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} // namespace webrtc
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#endif // API_TASK_QUEUE_TASK_QUEUE_FACTORY_H_
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