mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-30 07:26:53 +08:00
88 lines
3.0 KiB
C++
88 lines
3.0 KiB
C++
/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
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*
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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef SRC_MEDIAFILE_MEDIAREADER_H_
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#define SRC_MEDIAFILE_MEDIAREADER_H_
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#ifdef ENABLE_MP4
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#include "MP4Demuxer.h"
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#include "Common/MultiMediaSourceMuxer.h"
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namespace mediakit {
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class MP4Reader : public std::enable_shared_from_this<MP4Reader>, public MediaSourceEvent {
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public:
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using Ptr = std::shared_ptr<MP4Reader>;
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/**
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* 点播一个mp4文件，使之转换成MediaSource流媒体
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* @param vhost 虚拟主机
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* @param app 应用名
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* @param stream_id 流id,置空时,只解复用mp4,但是不生成MediaSource
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* @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
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*/
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MP4Reader(const std::string &vhost, const std::string &app, const std::string &stream_id, const std::string &file_path = "");
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~MP4Reader() override = default;
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/**
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* 开始解复用MP4文件
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* @param sample_ms 每次读取文件数据量，单位毫秒，置0时采用配置文件配置
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* @param ref_self 是否让定时器引用此对象本身，如果无其他对象引用本身，在不循环读文件时，读取文件结束后本对象将自动销毁
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* @param file_repeat 是否循环读取文件，如果配置文件设置为循环读文件，此参数无效
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*/
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void startReadMP4(uint64_t sample_ms = 0, bool ref_self = true, bool file_repeat = false);
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/**
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* 停止解复用MP4定时器
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*/
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void stopReadMP4();
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/**
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* 获取mp4解复用器
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*/
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const MP4Demuxer::Ptr& getDemuxer() const;
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private:
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//MediaSourceEvent override
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bool seekTo(MediaSource &sender,uint32_t stamp) override;
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bool pause(MediaSource &sender, bool pause) override;
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bool speed(MediaSource &sender, float speed) override;
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bool close(MediaSource &sender) override;
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MediaOriginType getOriginType(MediaSource &sender) const override;
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std::string getOriginUrl(MediaSource &sender) const override;
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toolkit::EventPoller::Ptr getOwnerPoller(MediaSource &sender) override;
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bool readSample();
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bool readNextSample();
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uint32_t getCurrentStamp();
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void setCurrentStamp(uint32_t stamp);
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bool seekTo(uint32_t stamp_seek);
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private:
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bool _file_repeat = false;
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bool _have_video = false;
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bool _paused = false;
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float _speed = 1.0;
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uint32_t _last_dts = 0;
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uint32_t _seek_to = 0;
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std::string _file_path;
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std::recursive_mutex _mtx;
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toolkit::Ticker _seek_ticker;
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toolkit::Timer::Ptr _timer;
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MP4Demuxer::Ptr _demuxer;
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MultiMediaSourceMuxer::Ptr _muxer;
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toolkit::EventPoller::Ptr _poller;
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};
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} /* namespace mediakit */
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#endif //ENABLE_MP4
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#endif /* SRC_MEDIAFILE_MEDIAREADER_H_ */
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