d39834b911
While https://webrtc-review.googlesource.com/c/src/+/440684 addressed encoders, this CL addresses decoders. Bug: webrtc:398550915 Change-Id: Ie7b039ca7fb0a63761b404ffd0061408eb04a280 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/440920 Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Auto-Submit: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/main@{#46596}
57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*
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* Copyright (c) 2016 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_AUDIO_CODECS_AUDIO_DECODER_FACTORY_H_
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#define API_AUDIO_CODECS_AUDIO_DECODER_FACTORY_H_
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#include <memory>
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#include <optional>
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#include <vector>
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#include "absl/base/nullability.h"
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#include "api/audio_codecs/audio_codec_pair_id.h"
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#include "api/audio_codecs/audio_decoder.h"
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#include "api/audio_codecs/audio_format.h"
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#include "api/environment/environment.h"
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#include "api/ref_count.h"
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namespace webrtc {
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// A factory that creates AudioDecoders.
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class AudioDecoderFactory : public RefCountInterface {
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public:
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virtual std::vector<AudioCodecSpec> GetSupportedDecoders() = 0;
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virtual bool IsSupportedDecoder(const SdpAudioFormat& format) = 0;
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// Creates a new decoder instance.
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virtual absl_nullable std::unique_ptr<AudioDecoder> Create(
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const Environment& env,
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const SdpAudioFormat& format) {
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return Create(env, format, std::nullopt);
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}
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// Backwards compatible call format. The "codec_pair_id" refers to deleted
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// functionality for linking encoders to decoders; this is no longer used.
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// TODO: https://issues.webrtc.org/398550915 - remove when no longer used,
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// and make above method pure virtual.
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virtual absl_nullable std::unique_ptr<AudioDecoder> Create(
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const Environment& env,
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const SdpAudioFormat& format,
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std::optional<AudioCodecPairId> /* codec_pair_id */) {
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// Note: If neither method is implemented, this default implementation
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// will result in a stack overflow.
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return Create(env, format);
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}
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};
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} // namespace webrtc
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#endif // API_AUDIO_CODECS_AUDIO_DECODER_FACTORY_H_
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