ZLMediaKit/src/Record/MP4Reader.h
2020-04-04 20:30:09 +08:00

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/*
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
*
* Use of this source code is governed by MIT 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 SRC_MEDIAFILE_MEDIAREADER_H_
#define SRC_MEDIAFILE_MEDIAREADER_H_
#ifdef ENABLE_MP4
#include "MP4Demuxer.h"
#include "Common/MultiMediaSourceMuxer.h"
using namespace toolkit;
namespace mediakit {
class MP4Reader : public std::enable_shared_from_this<MP4Reader> ,public MediaSourceEvent{
public:
typedef std::shared_ptr<MP4Reader> Ptr;
virtual ~MP4Reader() = default;
/**
* 流化一个mp4文件使之转换成RtspMediaSource和RtmpMediaSource
* @param strVhost 虚拟主机
* @param strApp 应用名
* @param strId 流id
* @param filePath 文件路径,如果为空则根据配置文件和上面参数自动生成,否则使用指定的文件
*/
MP4Reader(const string &strVhost,const string &strApp, const string &strId,const string &filePath = "");
/**
* 开始流化MP4文件需要指出的是MP4Reader对象一经过调用startReadMP4方法它的强引用会自持有
* 意思是在文件流化结束之前或中断之前,MP4Reader对象是不会被销毁的(不管有没有被外部对象持有)
*/
void startReadMP4();
private:
//MediaSourceEvent override
bool seekTo(MediaSource &sender,uint32_t ui32Stamp) override;
bool close(MediaSource &sender,bool force) override;
int totalReaderCount(MediaSource &sender) override;
bool readSample();
uint32_t getCurrentStamp();
void setCurrentStamp(uint32_t ui32Stamp);
bool seekTo(uint32_t ui32Stamp);
private:
recursive_mutex _mtx;
MultiMediaSourceMuxer::Ptr _mediaMuxer;
uint32_t _seek_to;
Ticker _seek_ticker;
Timer::Ptr _timer;
EventPoller::Ptr _poller;
MP4Demuxer::Ptr _demuxer;
bool _have_video = false;
};
} /* namespace mediakit */
#endif //ENABLE_MP4
#endif /* SRC_MEDIAFILE_MEDIAREADER_H_ */