mirror of
https://github.com/mollyim/webrtc.git
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79c96ded88
Now Configure(), Decode() and Release() calls to the decoders should all happen on the decoder thread. Added thread checkers to verify. Bug: None Change-Id: I2a1cf2cf7f3c3c7c50e382d82a3638e916ed9c34 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/272368 Reviewed-by: Evan Shrubsole <eshr@webrtc.org> Commit-Queue: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/main@{#37840}
69 lines
2.5 KiB
C++
69 lines
2.5 KiB
C++
/*
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* Copyright (c) 2018 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 MODULES_VIDEO_CODING_DECODER_DATABASE_H_
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#define MODULES_VIDEO_CODING_DECODER_DATABASE_H_
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#include <stdint.h>
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#include <map>
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#include "absl/types/optional.h"
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#include "api/sequence_checker.h"
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#include "api/video_codecs/video_decoder.h"
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#include "modules/video_coding/encoded_frame.h"
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#include "modules/video_coding/generic_decoder.h"
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namespace webrtc {
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class VCMDecoderDataBase {
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public:
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VCMDecoderDataBase();
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VCMDecoderDataBase(const VCMDecoderDataBase&) = delete;
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VCMDecoderDataBase& operator=(const VCMDecoderDataBase&) = delete;
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~VCMDecoderDataBase() = default;
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bool DeregisterExternalDecoder(uint8_t payload_type);
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void RegisterExternalDecoder(uint8_t payload_type,
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VideoDecoder* external_decoder);
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bool IsExternalDecoderRegistered(uint8_t payload_type) const;
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void RegisterReceiveCodec(uint8_t payload_type,
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const VideoDecoder::Settings& settings);
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bool DeregisterReceiveCodec(uint8_t payload_type);
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// Returns a decoder specified by frame.PayloadType. The decoded frame
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// callback of the decoder is set to `decoded_frame_callback`. If no such
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// decoder already exists an instance will be created and initialized.
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// nullptr is returned if no decoder with the specified payload type was found
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// and the function failed to create one.
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VCMGenericDecoder* GetDecoder(
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const VCMEncodedFrame& frame,
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VCMDecodedFrameCallback* decoded_frame_callback);
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private:
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void CreateAndInitDecoder(const VCMEncodedFrame& frame)
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RTC_RUN_ON(decoder_sequence_checker_);
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SequenceChecker decoder_sequence_checker_;
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absl::optional<uint8_t> current_payload_type_;
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absl::optional<VCMGenericDecoder> current_decoder_
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RTC_GUARDED_BY(decoder_sequence_checker_);
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// Initialization paramaters for decoders keyed by payload type.
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std::map<uint8_t, VideoDecoder::Settings> decoder_settings_;
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// Decoders keyed by payload type.
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std::map<uint8_t, VideoDecoder*> decoders_
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RTC_GUARDED_BY(decoder_sequence_checker_);
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};
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} // namespace webrtc
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#endif // MODULES_VIDEO_CODING_DECODER_DATABASE_H_
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