85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
// Copyright 2014 Google LLC. 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 PACKAGER_MEDIA_FORMATS_MP4_MP4_MUXER_H_
|
|
#define PACKAGER_MEDIA_FORMATS_MP4_MP4_MUXER_H_
|
|
|
|
#include <optional>
|
|
#include <vector>
|
|
|
|
#include <packager/macros/classes.h>
|
|
#include <packager/media/base/muxer.h>
|
|
|
|
namespace shaka {
|
|
namespace media {
|
|
|
|
class AudioStreamInfo;
|
|
class StreamInfo;
|
|
class TextStreamInfo;
|
|
class VideoStreamInfo;
|
|
|
|
namespace mp4 {
|
|
|
|
class Segmenter;
|
|
|
|
struct ProtectionSchemeInfo;
|
|
struct Track;
|
|
|
|
/// Implements MP4 Muxer for ISO-BMFF. Please refer to ISO/IEC 14496-12: ISO
|
|
/// base media file format for details.
|
|
class MP4Muxer : public Muxer {
|
|
public:
|
|
/// Create a MP4Muxer object from MuxerOptions.
|
|
explicit MP4Muxer(const MuxerOptions& options);
|
|
~MP4Muxer() override;
|
|
|
|
private:
|
|
// Muxer implementation overrides.
|
|
Status InitializeMuxer() override;
|
|
Status Finalize() override;
|
|
Status AddMediaSample(size_t stream_id, const MediaSample& sample) override;
|
|
Status FinalizeSegment(size_t stream_id,
|
|
const SegmentInfo& segment_info) override;
|
|
|
|
Status DelayInitializeMuxer();
|
|
Status UpdateEditListOffsetFromSample(const MediaSample& sample);
|
|
|
|
// Generate Audio/Video Track box.
|
|
void InitializeTrak(const StreamInfo* info, Track* trak);
|
|
bool GenerateAudioTrak(const AudioStreamInfo* audio_info, Track* trak);
|
|
bool GenerateVideoTrak(const VideoStreamInfo* video_info, Track* trak);
|
|
bool GenerateTextTrak(const TextStreamInfo* video_info, Track* trak);
|
|
|
|
// Gets |start| and |end| initialization range. Returns true if there is an
|
|
// init range and sets start-end byte-range-spec specified in RFC2616.
|
|
std::optional<Range> GetInitRangeStartAndEnd();
|
|
|
|
// Gets |start| and |end| index range. Returns true if there is an index range
|
|
// and sets start-end byte-range-spec specified in RFC2616.
|
|
std::optional<Range> GetIndexRangeStartAndEnd();
|
|
|
|
// Fire events if there are no errors and Muxer::muxer_listener() is not NULL.
|
|
void FireOnMediaStartEvent();
|
|
void FireOnMediaEndEvent();
|
|
|
|
// Get time in seconds since midnight, Jan. 1, 1904, in UTC Time.
|
|
uint64_t IsoTimeNow();
|
|
|
|
// Assumes single stream (multiplexed a/v not supported yet).
|
|
bool to_be_initialized_ = true;
|
|
std::optional<int64_t> edit_list_offset_;
|
|
|
|
std::unique_ptr<Segmenter> segmenter_;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(MP4Muxer);
|
|
};
|
|
|
|
} // namespace mp4
|
|
} // namespace media
|
|
} // namespace shaka
|
|
|
|
#endif // PACKAGER_MEDIA_FORMATS_MP4_MP4_MUXER_H_
|