79aab3ff51
In this CL the GetDecoder support function is implemented. It will be called from the (not yet existing) Decode function whenever a frame is about to be decoded in order to get the correct decoder for the current frame. Bug: webrtc:8909 Change-Id: I35e40c108fb652d566b1a5fdff60a703f5615406 Reviewed-on: https://webrtc-review.googlesource.com/64448 Reviewed-by: Niels Moller <nisse@webrtc.org> Reviewed-by: Stefan Holmer <stefan@webrtc.org> Commit-Queue: Philip Eliasson <philipel@webrtc.org> Cr-Commit-Position: refs/heads/master@{#22627}
73 lines
2.4 KiB
C++
73 lines
2.4 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 VIDEO_VIDEO_STREAM_DECODER_IMPL_H_
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#define VIDEO_VIDEO_STREAM_DECODER_IMPL_H_
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#include <map>
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#include <memory>
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#include <utility>
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#include "api/optional.h"
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#include "api/video/video_stream_decoder.h"
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#include "modules/video_coding/frame_buffer2.h"
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#include "modules/video_coding/jitter_estimator.h"
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#include "modules/video_coding/timing.h"
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#include "rtc_base/task_queue.h"
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#include "rtc_base/thread_checker.h"
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#include "system_wrappers/include/clock.h"
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namespace webrtc {
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class VideoStreamDecoderImpl : public VideoStreamDecoder,
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private DecodedImageCallback {
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public:
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VideoStreamDecoderImpl(
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VideoStreamDecoder::Callbacks* callbacks,
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VideoDecoderFactory* decoder_factory,
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std::map<int, std::pair<SdpVideoFormat, int>> decoder_settings);
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~VideoStreamDecoderImpl() override;
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void OnFrame(std::unique_ptr<video_coding::EncodedFrame> frame) override;
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private:
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VideoDecoder* GetDecoder(int payload_type);
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// Implements DecodedImageCallback interface
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int32_t Decoded(VideoFrame& decodedImage) override;
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int32_t Decoded(VideoFrame& decodedImage, int64_t decode_time_ms) override;
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void Decoded(VideoFrame& decodedImage,
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rtc::Optional<int32_t> decode_time_ms,
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rtc::Optional<uint8_t> qp) override;
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VideoStreamDecoder::Callbacks* const callbacks_
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RTC_PT_GUARDED_BY(bookkeeping_queue_);
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VideoDecoderFactory* const decoder_factory_;
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std::map<int, std::pair<SdpVideoFormat, int>> decoder_settings_;
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// The |bookkeeping_queue_| is used to:
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// - Make |callbacks_|.
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// - Insert/extract frames from the |frame_buffer_|
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// - Synchronize with whatever thread that makes the Decoded callback.
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rtc::TaskQueue bookkeeping_queue_;
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VCMJitterEstimator jitter_estimator_;
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VCMTiming timing_;
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video_coding::FrameBuffer frame_buffer_;
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video_coding::VideoLayerFrameId last_continuous_id_;
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rtc::Optional<int> current_payload_type_;
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std::unique_ptr<VideoDecoder> decoder_;
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};
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} // namespace webrtc
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#endif // VIDEO_VIDEO_STREAM_DECODER_IMPL_H_
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