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https://github.com/ZLMediaKit/ZLMediaKit.git
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MP4: mp4开始点播确保MediaSource注册后再返回
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@@ -16,27 +16,37 @@
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using namespace toolkit;
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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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class MP4Reader : public std::enable_shared_from_this<MP4Reader>, public MediaSourceEvent {
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public:
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typedef std::shared_ptr<MP4Reader> Ptr;
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virtual ~MP4Reader() = default;
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using Ptr = std::shared_ptr<MP4Reader>;
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/**
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* 流化一个mp4文件,使之转换成RtspMediaSource和RtmpMediaSource
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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
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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 string &vhost, const string &app, const string &stream_id, const string &file_path = "");
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~MP4Reader() override = default;
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/**
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* 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,
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* 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)
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* 开始解复用MP4文件
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* @param poller 解复用mp4定时器所绑定线程,置空则随机采用一条后台线程
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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(const EventPoller::Ptr &poller = nullptr, 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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@@ -51,9 +61,10 @@ private:
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string getOriginUrl(MediaSource &sender) const 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 ui32Stamp);
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bool seekTo(uint32_t ui32Stamp);
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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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@@ -61,12 +72,11 @@ private:
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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;
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uint32_t _seek_to = 0;
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string _file_path;
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recursive_mutex _mtx;
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Ticker _seek_ticker;
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Timer::Ptr _timer;
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EventPoller::Ptr _poller;
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MP4Demuxer::Ptr _demuxer;
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MultiMediaSourceMuxer::Ptr _muxer;
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};
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