132 lines
3.4 KiB
C++
132 lines
3.4 KiB
C++
/*
|
||
* Copyright (c) 2016-present The ZLMediaKit project authors. All Rights Reserved.
|
||
*
|
||
* This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
|
||
*
|
||
* Use of this source code is governed by MIT-like license that can be found in the
|
||
* LICENSE file in the root of the source tree. All contributing project authors
|
||
* may be found in the AUTHORS file in the root of the source tree.
|
||
*/
|
||
|
||
#ifndef ZLMEDIAKIT_MPEG_H
|
||
#define ZLMEDIAKIT_MPEG_H
|
||
|
||
#if defined(ENABLE_HLS) || defined(ENABLE_RTPPROXY)
|
||
|
||
#include <cstdio>
|
||
#include <cstdint>
|
||
#include <unordered_map>
|
||
#include "Extension/Frame.h"
|
||
#include "Extension/Track.h"
|
||
#include "Common/MediaSink.h"
|
||
#include "Util/ResourcePool.h"
|
||
namespace mediakit {
|
||
|
||
// 该类用于产生MPEG-TS/MPEG-PS [AUTO-TRANSLATED:267efc85]
|
||
// This class is used to generate MPEG-TS/MPEG-PS
|
||
class MpegMuxer : public MediaSinkInterface {
|
||
public:
|
||
MpegMuxer(bool is_ps = false);
|
||
~MpegMuxer() override;
|
||
|
||
/**
|
||
* 添加音视频轨道
|
||
* Add audio and video tracks
|
||
|
||
* [AUTO-TRANSLATED:7b0c1d64]
|
||
*/
|
||
bool addTrack(const Track::Ptr &track) override;
|
||
|
||
/**
|
||
* 重置音视频轨道
|
||
* Reset audio and video tracks
|
||
|
||
* [AUTO-TRANSLATED:6eb1b742]
|
||
*/
|
||
void resetTracks() override;
|
||
|
||
/**
|
||
* 输入帧数据
|
||
* Input frame data
|
||
|
||
* [AUTO-TRANSLATED:d13bc7f2]
|
||
*/
|
||
bool inputFrame(const Frame::Ptr &frame) override;
|
||
|
||
/**
|
||
* 刷新输出所有frame缓存
|
||
* Flush all frame buffers in the output
|
||
|
||
* [AUTO-TRANSLATED:adaea568]
|
||
*/
|
||
void flush() override;
|
||
|
||
protected:
|
||
/**
|
||
* 输出ts/ps数据回调
|
||
* @param buffer ts/ps数据包
|
||
* @param timestamp 时间戳,单位毫秒
|
||
* @param key_pos 是否为关键帧的第一个ts/ps包,用于确保ts切片第一帧为关键帧
|
||
* Callback for outputting ts/ps data
|
||
* @param buffer ts/ps data packet
|
||
* @param timestamp Timestamp, in milliseconds
|
||
* @param key_pos Whether it is the first ts/ps packet of a key frame, used to ensure that the first frame of the ts slice is a key frame
|
||
|
||
|
||
* [AUTO-TRANSLATED:dda8ed40]
|
||
*/
|
||
virtual void onWrite(std::shared_ptr<toolkit::Buffer> buffer, uint64_t timestamp, bool key_pos) = 0;
|
||
|
||
private:
|
||
void createContext();
|
||
void releaseContext();
|
||
void onWrite_l(const void *packet, size_t bytes);
|
||
void flushCache();
|
||
|
||
private:
|
||
bool _is_ps = false;
|
||
bool _have_video = false;
|
||
bool _key_pos = false;
|
||
uint32_t _max_cache_size = 0;
|
||
uint64_t _timestamp = 0;
|
||
struct mpeg_muxer_t *_context = nullptr;
|
||
|
||
class FrameMergerImp : public FrameMerger {
|
||
public:
|
||
FrameMergerImp() : FrameMerger(FrameMerger::h264_prefix) {}
|
||
};
|
||
|
||
struct MP4Track {
|
||
int track_id = -1;
|
||
FrameMergerImp merger;
|
||
};
|
||
std::unordered_map<int, MP4Track> _tracks;
|
||
toolkit::BufferRaw::Ptr _current_buffer;
|
||
toolkit::ResourcePool<toolkit::BufferRaw> _buffer_pool;
|
||
};
|
||
|
||
}//mediakit
|
||
|
||
#else
|
||
|
||
#include "Common/MediaSink.h"
|
||
|
||
namespace mediakit {
|
||
|
||
class MpegMuxer : public MediaSinkInterface {
|
||
public:
|
||
MpegMuxer(bool is_ps = false) {}
|
||
bool addTrack(const Track::Ptr &track) override { return false; }
|
||
void resetTracks() override {}
|
||
bool inputFrame(const Frame::Ptr &frame) override { return false; }
|
||
|
||
protected:
|
||
virtual void onWrite(std::shared_ptr<toolkit::Buffer> buffer, uint64_t timestamp, bool key_pos) = 0;
|
||
};
|
||
|
||
}//namespace mediakit
|
||
|
||
#endif
|
||
|
||
#endif //ZLMEDIAKIT_MPEG_H
|