blob: 2351445734f2d488aba3661787c8781d0da5774b [file] [log] [blame]
// 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.
#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 {
// 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);
const FFmpegH265ToAnnexBBitstreamConverter&) = delete;
FFmpegH265ToAnnexBBitstreamConverter& operator=(
const FFmpegH265ToAnnexBBitstreamConverter&) = delete;
~FFmpegH265ToAnnexBBitstreamConverter() override;
// FFmpegBitstreamConverter implementation.
bool ConvertPacket(AVPacket* packet) override;
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_;
} // namespace media