shaka-packager/packager/media/codecs/video_slice_header_parser.h

75 lines
2.0 KiB
C++

// Copyright 2016 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#ifndef MEDIA_CODECS_VIDEO_SLICE_HEADER_PARSER_H_
#define MEDIA_CODECS_VIDEO_SLICE_HEADER_PARSER_H_
#include <vector>
#include "packager/media/base/macros.h"
#include "packager/media/codecs/h264_parser.h"
#include "packager/media/codecs/h265_parser.h"
namespace shaka {
namespace media {
class VideoSliceHeaderParser {
public:
VideoSliceHeaderParser() {}
virtual ~VideoSliceHeaderParser() {}
/// Adds decoder configuration from the given data. This must be called
/// once before any calls to GetHeaderSize.
virtual bool Initialize(
const std::vector<uint8_t>& decoder_configuration) = 0;
/// Gets the header size of the given NALU. Returns < 0 on error.
virtual int64_t GetHeaderSize(const Nalu& nalu) = 0;
private:
DISALLOW_COPY_AND_ASSIGN(VideoSliceHeaderParser);
};
class H264VideoSliceHeaderParser : public VideoSliceHeaderParser {
public:
H264VideoSliceHeaderParser();
~H264VideoSliceHeaderParser() override;
/// @name VideoSliceHeaderParser implementation overrides.
/// @{
bool Initialize(const std::vector<uint8_t>& decoder_configuration) override;
int64_t GetHeaderSize(const Nalu& nalu) override;
/// @}
private:
H264Parser parser_;
DISALLOW_COPY_AND_ASSIGN(H264VideoSliceHeaderParser);
};
class H265VideoSliceHeaderParser : public VideoSliceHeaderParser {
public:
H265VideoSliceHeaderParser();
~H265VideoSliceHeaderParser() override;
/// @name VideoSliceHeaderParser implementation overrides.
/// @{
bool Initialize(const std::vector<uint8_t>& decoder_configuration) override;
int64_t GetHeaderSize(const Nalu& nalu) override;
/// @}
private:
H265Parser parser_;
DISALLOW_COPY_AND_ASSIGN(H265VideoSliceHeaderParser);
};
} // namespace media
} // namespace shaka
#endif // MEDIA_CODECS_VIDEO_SLICE_HEADER_PARSER_H_