| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef MEDIA_FILTERS_FFMPEG_H265_TO_ANNEX_B_BITSTREAM_CONVERTER_H_ |
| #define MEDIA_FILTERS_FFMPEG_H265_TO_ANNEX_B_BITSTREAM_CONVERTER_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "media/base/media_export.h" |
| #include "media/filters/ffmpeg_bitstream_converter.h" |
| #include "media/formats/mp4/hevc.h" |
| |
| // Forward declarations for FFmpeg datatypes used. |
| struct AVCodecParameters; |
| struct AVPacket; |
| |
| namespace media { |
| |
| // Bitstream converter that converts H.265 bitstream based FFmpeg packets into |
| // H.265 Annex B bytestream format. |
| class MEDIA_EXPORT FFmpegH265ToAnnexBBitstreamConverter |
| : public FFmpegBitstreamConverter { |
| public: |
| // The |stream_codec_parameters| will be used during conversion and should be |
| // the AVCodecParameters for the stream sourcing these packets. A reference to |
| // |stream_codec_parameters| is retained, so it must outlive this class. |
| explicit FFmpegH265ToAnnexBBitstreamConverter( |
| AVCodecParameters* stream_codec_parameters); |
| |
| ~FFmpegH265ToAnnexBBitstreamConverter() override; |
| |
| // FFmpegBitstreamConverter implementation. |
| bool ConvertPacket(AVPacket* packet) override; |
| |
| private: |
| std::unique_ptr<mp4::HEVCDecoderConfigurationRecord> hevc_config_; |
| |
| // Variable to hold a pointer to memory where we can access the global |
| // data from the FFmpeg file format's global headers. |
| AVCodecParameters* stream_codec_parameters_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FFmpegH265ToAnnexBBitstreamConverter); |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_FILTERS_FFMPEG_H265_TO_ANNEX_B_BITSTREAM_CONVERTER_H_ |
| |