/* * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved. * * This file is part of ZLMediaKit(https://github.com/xia-chu/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 ,public MediaSourceEvent{ public: typedef std::shared_ptr Ptr; virtual ~MP4Reader() = default; /** * 流化一个mp4文件,使之转换成RtspMediaSource和RtmpMediaSource * @param vhost 虚拟主机 * @param app 应用名 * @param stream_id 流id * @param file_path 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 &vhost, const string &app, const string &stream_id, const string &file_path = ""); /** * 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(const EventPoller::Ptr &poller = nullptr, uint64_t sample_ms = 0, bool ref_self = true, bool file_repeat = false); void stopReadMP4(); const MP4Demuxer::Ptr& getDemuxer() const; private: //MediaSourceEvent override bool seekTo(MediaSource &sender,uint32_t stamp) override; bool pause(MediaSource &sender, bool pause) override; bool speed(MediaSource &sender, float speed) override; bool close(MediaSource &sender,bool force) override; int totalReaderCount(MediaSource &sender) override; MediaOriginType getOriginType(MediaSource &sender) const override; string getOriginUrl(MediaSource &sender) const override; bool readSample(); uint32_t getCurrentStamp(); void setCurrentStamp(uint32_t ui32Stamp); bool seekTo(uint32_t ui32Stamp); private: bool _file_repeat = false; bool _have_video = false; bool _paused = false; float _speed = 1.0; uint32_t _last_dts = 0; uint32_t _seek_to; string _file_path; recursive_mutex _mtx; Ticker _seek_ticker; Timer::Ptr _timer; EventPoller::Ptr _poller; MP4Demuxer::Ptr _demuxer; MultiMediaSourceMuxer::Ptr _muxer; }; } /* namespace mediakit */ #endif //ENABLE_MP4 #endif /* SRC_MEDIAFILE_MEDIAREADER_H_ */