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92ea95e34a
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC from src/webrtc to src/ (in order to preserve an healthy git history). This CL takes care of fixing header guards, #include paths, etc... NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578 Reviewed-on: https://webrtc-review.googlesource.com/1561 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19846}
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
/*
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* Copyright (c) 2015 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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*/
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#ifndef MODULES_VIDEO_CODING_CODECS_H264_H264_DECODER_IMPL_H_
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#define MODULES_VIDEO_CODING_CODECS_H264_H264_DECODER_IMPL_H_
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#include <memory>
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#include "modules/video_coding/codecs/h264/include/h264.h"
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extern "C" {
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#include "third_party/ffmpeg/libavcodec/avcodec.h"
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} // extern "C"
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#include "common_video/h264/h264_bitstream_parser.h"
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#include "common_video/include/i420_buffer_pool.h"
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namespace webrtc {
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struct AVCodecContextDeleter {
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void operator()(AVCodecContext* ptr) const { avcodec_free_context(&ptr); }
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};
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struct AVFrameDeleter {
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void operator()(AVFrame* ptr) const { av_frame_free(&ptr); }
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};
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class H264DecoderImpl : public H264Decoder {
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public:
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H264DecoderImpl();
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~H264DecoderImpl() override;
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// If |codec_settings| is NULL it is ignored. If it is not NULL,
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// |codec_settings->codecType| must be |kVideoCodecH264|.
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int32_t InitDecode(const VideoCodec* codec_settings,
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int32_t number_of_cores) override;
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int32_t Release() override;
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int32_t RegisterDecodeCompleteCallback(
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DecodedImageCallback* callback) override;
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// |missing_frames|, |fragmentation| and |render_time_ms| are ignored.
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int32_t Decode(const EncodedImage& input_image,
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bool /*missing_frames*/,
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const RTPFragmentationHeader* /*fragmentation*/,
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const CodecSpecificInfo* codec_specific_info = nullptr,
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int64_t render_time_ms = -1) override;
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const char* ImplementationName() const override;
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private:
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// Called by FFmpeg when it needs a frame buffer to store decoded frames in.
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// The |VideoFrame| returned by FFmpeg at |Decode| originate from here. Their
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// buffers are reference counted and freed by FFmpeg using |AVFreeBuffer2|.
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static int AVGetBuffer2(
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AVCodecContext* context, AVFrame* av_frame, int flags);
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// Called by FFmpeg when it is done with a video frame, see |AVGetBuffer2|.
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static void AVFreeBuffer2(void* opaque, uint8_t* data);
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bool IsInitialized() const;
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// Reports statistics with histograms.
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void ReportInit();
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void ReportError();
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I420BufferPool pool_;
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std::unique_ptr<AVCodecContext, AVCodecContextDeleter> av_context_;
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std::unique_ptr<AVFrame, AVFrameDeleter> av_frame_;
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DecodedImageCallback* decoded_image_callback_;
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bool has_reported_init_;
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bool has_reported_error_;
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webrtc::H264BitstreamParser h264_bitstream_parser_;
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};
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} // namespace webrtc
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#endif // MODULES_VIDEO_CODING_CODECS_H264_H264_DECODER_IMPL_H_
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