/* * 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_MEDIASOURCE_H #define ZLMEDIAKIT_MEDIASOURCE_H #include #include #include #include #include "Util/mini.h" #include "Network/Socket.h" #include "Extension/Track.h" #include "Record/Recorder.h" namespace toolkit { class Session; } // namespace toolkit namespace mediakit { enum class MediaOriginType : uint8_t { unknown = 0, rtmp_push , rtsp_push, rtp_push, pull, ffmpeg_pull, mp4_vod, device_chn, rtc_push, srt_push }; std::string getOriginTypeString(MediaOriginType type); class MediaSource; class RtpProcess; class MultiMediaSourceMuxer; class MediaSourceEvent { public: friend class MediaSource; class NotImplemented : public std::runtime_error { public: template NotImplemented(T && ...args) : std::runtime_error(std::forward(args)...) {} }; virtual ~MediaSourceEvent() = default; // 获取媒体源类型 [AUTO-TRANSLATED:34290a69] // Get media source type virtual MediaOriginType getOriginType(MediaSource &sender) const { return MediaOriginType::unknown; } // 获取媒体源url或者文件路径 [AUTO-TRANSLATED:fa34d795] // Get media source url or file path virtual std::string getOriginUrl(MediaSource &sender) const; // 获取媒体源客户端相关信息 [AUTO-TRANSLATED:037ef910] // Get media source client related information virtual std::shared_ptr getOriginSock(MediaSource &sender) const { return nullptr; } // 通知拖动进度条 [AUTO-TRANSLATED:561b17f7] // Notify drag progress bar virtual bool seekTo(MediaSource &sender, uint32_t stamp) { return false; } // 通知暂停或恢复 [AUTO-TRANSLATED:ee3c219f] // Notify pause or resume virtual bool pause(MediaSource &sender, bool pause) { return false; } // 通知倍数 [AUTO-TRANSLATED:8f1dab15] // Notify multiple times virtual bool speed(MediaSource &sender, float speed) { return false; } // 通知其停止产生流 [AUTO-TRANSLATED:62c9022c] // Notify it to stop generating streams virtual bool close(MediaSource &sender) { return false; } // 获取观看总人数，此函数一般强制重载 [AUTO-TRANSLATED:1da20a10] // Get the total number of viewers, this function is generally forced to overload virtual int totalReaderCount(MediaSource &sender) { throw NotImplemented(toolkit::demangle(typeid(*this).name()) + "::totalReaderCount not implemented"); } // 通知观看人数变化 [AUTO-TRANSLATED:bad89528] // Notify the change in the number of viewers virtual void onReaderChanged(MediaSource &sender, int size); // 流注册或注销事件 [AUTO-TRANSLATED:2cac8178] // Stream registration or deregistration event virtual void onRegist(MediaSource &sender, bool regist) {} // 获取丢包率 [AUTO-TRANSLATED:ec61b378] // Get packet loss rate virtual float getLossRate(MediaSource &sender, TrackType type) { return -1; } // 获取所在线程, 此函数一般强制重载 [AUTO-TRANSLATED:71c99afb] // Get the current thread, this function is generally forced to overload virtual toolkit::EventPoller::Ptr getOwnerPoller(MediaSource &sender) { throw NotImplemented(toolkit::demangle(typeid(*this).name()) + "::getOwnerPoller not implemented"); } // //////////////////////仅供MultiMediaSourceMuxer对象继承//////////////////////// [AUTO-TRANSLATED:6e810d1f] // //////////////////////Only for MultiMediaSourceMuxer object inheritance//////////////////////// // 开启或关闭录制 [AUTO-TRANSLATED:3817e390] // Start or stop recording virtual bool setupRecord(MediaSource &sender, Recorder::type type, bool start, const std::string &custom_path, size_t max_second) { return false; }; // 获取录制状态 [AUTO-TRANSLATED:a0499880] // Get recording status virtual bool isRecording(MediaSource &sender, Recorder::type type) { return false; } // 获取所有track相关信息 [AUTO-TRANSLATED:2141be42] // Get all track related information virtual std::vector getMediaTracks(MediaSource &sender, bool trackReady = true) const { return std::vector(); }; // 获取MultiMediaSourceMuxer对象 [AUTO-TRANSLATED:2de96d44] // Get MultiMediaSourceMuxer object virtual std::shared_ptr getMuxer(MediaSource &sender) const { return nullptr; } // 获取RtpProcess对象 [AUTO-TRANSLATED:c6b7da43] // Get RtpProcess object virtual std::shared_ptr getRtpProcess(MediaSource &sender) const { return nullptr; } class SendRtpArgs { public: enum DataType { kRtpES = 0, // 发送ES流 kRtpPS = 1, // 发送PS流 kRtpTS = 2 // 发送TS流 }; enum ConType { kTcpActive = 0, // tcp主动模式，tcp客户端主动连接对方并发送rtp kUdpActive = 1, // udp主动模式，主动发送数据给对方 kTcpPassive = 2, // tcp被动模式，tcp服务器，等待对方连接并回复rtp kUdpPassive = 3 // udp被动方式，等待对方发送nat打洞包，然后回复rtp至打洞包源地址 }; // rtp类型 [AUTO-TRANSLATED:acca40ab] // Rtp type DataType data_type = kRtpPS; // 连接类型 [AUTO-TRANSLATED:8ad5c881] // Connection type ConType con_type = kUdpActive; // 发送es流时指定是否只发送纯音频流 [AUTO-TRANSLATED:470c761e] // Specify whether to send only pure audio stream when sending es stream bool only_audio = false; // rtp payload type uint8_t pt = 96; // 是否支持同ssrc多服务器发送 [AUTO-TRANSLATED:9d817af2] // Whether to support multiple servers sending with the same ssrc bool ssrc_multi_send = false; // 指定rtp ssrc [AUTO-TRANSLATED:7366c6f9] // Specify rtp ssrc std::string ssrc; // 指定本地发送端口 [AUTO-TRANSLATED:f5d92f40] // Specify local sending port uint16_t src_port = 0; // 发送目标端口 [AUTO-TRANSLATED:096b5574] // Send target port uint16_t dst_port; // 发送目标主机地址，可以是ip或域名 [AUTO-TRANSLATED:2c872f2e] // Send target host address, can be ip or domain name std::string dst_url; // udp发送时，是否开启rr rtcp接收超时判断 [AUTO-TRANSLATED:784982bd] // When sending udp, whether to enable rr rtcp receive timeout judgment bool udp_rtcp_timeout = false; // passive被动、tcp主动模式超时时间 [AUTO-TRANSLATED:8886d475] // Passive passive, tcp active mode timeout time uint32_t close_delay_ms = 0; // udp 发送时，rr rtcp包接收超时时间，单位毫秒 [AUTO-TRANSLATED:9f0d91d9] // When sending udp, rr rtcp packet receive timeout time, in milliseconds uint32_t rtcp_timeout_ms = 30 * 1000; // udp 发送时，发送sr rtcp包间隔，单位毫秒 [AUTO-TRANSLATED:c87bfed4] // When sending udp, send sr rtcp packet interval, in milliseconds uint32_t rtcp_send_interval_ms = 5 * 1000; // 发送rtp同时接收，一般用于双向语言对讲, 如果不为空，说明开启接收 [AUTO-TRANSLATED:f4c18084] // Send rtp while receiving, generally used for two-way language intercom, if not empty, it means receiving is enabled std::string recv_stream_id; std::string recv_stream_app; std::string recv_stream_vhost; }; // 开始发送ps-rtp [AUTO-TRANSLATED:a51796fa] // Start sending ps-rtp virtual void startSendRtp(MediaSource &sender, const SendRtpArgs &args, const std::function cb) { cb(0, toolkit::SockException(toolkit::Err_other, "not implemented"));}; // 停止发送ps-rtp [AUTO-TRANSLATED:952d2b35] // Stop sending ps-rtp virtual bool stopSendRtp(MediaSource &sender, const std::string &ssrc) {return false; } private: toolkit::Timer::Ptr _async_close_timer; }; template static void getArgsValue(const MAP &allArgs, const KEY &key, TYPE &value) { auto val = ((MAP &)allArgs)[key]; if (!val.empty()) { value = (TYPE)val; } } template static void getArgsValue(const toolkit::mINI &allArgs, const KEY &key, TYPE &value) { auto it = allArgs.find(key); if (it != allArgs.end()) { value = (TYPE)it->second; } } class ProtocolOption { public: ProtocolOption(); enum { kModifyStampOff = 0, // 采用源视频流绝对时间戳，不做任何改变 kModifyStampSystem = 1, // 采用zlmediakit接收数据时的系统时间戳(有平滑处理) kModifyStampRelative = 2 // 采用源视频流时间戳相对时间戳(增长量)，有做时间戳跳跃和回退矫正 }; // 时间戳类型 [AUTO-TRANSLATED:7d2779e1] // Timestamp type int modify_stamp; // 转协议是否开启音频 [AUTO-TRANSLATED:220dddfa] // Whether to enable audio for protocol conversion bool enable_audio; // 添加静音音频，在关闭音频时，此开关无效 [AUTO-TRANSLATED:47c0ec8e] // Add mute audio, this switch is invalid when audio is closed bool add_mute_audio; // 无人观看时，是否直接关闭(而不是通过on_none_reader hook返回close) [AUTO-TRANSLATED:dba7ab70] // Whether to close directly when no one is watching (instead of returning close through the on_none_reader hook) // 此配置置1时，此流如果无人观看，将不触发on_none_reader hook回调， [AUTO-TRANSLATED:a5ead314] // When this configuration is set to 1, if no one is watching this stream, it will not trigger the on_none_reader hook callback, // 而是将直接关闭流 [AUTO-TRANSLATED:06887d49] // but will directly close the stream bool auto_close; // 断连续推延时，单位毫秒，默认采用配置文件 [AUTO-TRANSLATED:7a15b12f] // Delay in milliseconds for continuous pushing, default is using the configuration file uint32_t continue_push_ms; // 平滑发送定时器间隔，单位毫秒，置0则关闭；开启后影响cpu性能同时增加内存 [AUTO-TRANSLATED:ad4e306a] // Smooth sending timer interval, in milliseconds, set to 0 to close; enabling it will affect cpu performance and increase memory at the same time // 该配置开启后可以解决一些流发送不平滑导致zlmediakit转发也不平滑的问题 [AUTO-TRANSLATED:0f2b1657] // This configuration can solve some problems where the stream is not sent smoothly, resulting in zlmediakit forwarding not being smooth uint32_t paced_sender_ms; // 是否开启转换为hls(mpegts) [AUTO-TRANSLATED:bfc1167a] // Whether to enable conversion to hls(mpegts) bool enable_hls; // 是否开启转换为hls(fmp4) [AUTO-TRANSLATED:20548673] // Whether to enable conversion to hls(fmp4) bool enable_hls_fmp4; // 是否开启MP4录制 [AUTO-TRANSLATED:0157b014] // Whether to enable MP4 recording bool enable_mp4; // 是否开启转换为rtsp/webrtc [AUTO-TRANSLATED:0711cb18] // Whether to enable conversion to rtsp/webrtc bool enable_rtsp; // 是否开启转换为rtmp/flv [AUTO-TRANSLATED:d4774119] // Whether to enable conversion to rtmp/flv bool enable_rtmp; // 是否开启转换为http-ts/ws-ts [AUTO-TRANSLATED:51acc798] // Whether to enable conversion to http-ts/ws-ts bool enable_ts; // 是否开启转换为http-fmp4/ws-fmp4 [AUTO-TRANSLATED:8c96e1e4] // Whether to enable conversion to http-fmp4/ws-fmp4 bool enable_fmp4; // hls协议是否按需生成，如果hls.segNum配置为0(意味着hls录制)，那么hls将一直生成(不管此开关) [AUTO-TRANSLATED:4653b411] // Whether to generate hls protocol on demand, if hls.segNum is configured to 0 (meaning hls recording), then hls will always be generated (regardless of this switch) bool hls_demand; // rtsp[s]协议是否按需生成 [AUTO-TRANSLATED:1c3237b0] // Whether to generate rtsp[s] protocol on demand bool rtsp_demand; // rtmp[s]、http[s]-flv、ws[s]-flv协议是否按需生成 [AUTO-TRANSLATED:09ed2c30] // Whether to generate rtmp[s]、http[s]-flv、ws[s]-flv protocol on demand bool rtmp_demand; // http[s]-ts协议是否按需生成 [AUTO-TRANSLATED:a0129db3] // Whether to generate http[s]-ts protocol on demand bool ts_demand; // http[s]-fmp4、ws[s]-fmp4协议是否按需生成 [AUTO-TRANSLATED:828d25c7] // Whether to generate http[s]-fmp4、ws[s]-fmp4 protocol on demand bool fmp4_demand; // 是否将mp4录制当做观看者 [AUTO-TRANSLATED:ba351230] // Whether to treat mp4 recording as a viewer bool mp4_as_player; // mp4切片大小，单位秒 [AUTO-TRANSLATED:c3fb8ec1] // MP4 slice size, in seconds size_t mp4_max_second; // mp4录制保存路径 [AUTO-TRANSLATED:6d860f27] // MP4 recording save path std::string mp4_save_path; // hls录制保存路径 [AUTO-TRANSLATED:cfa90719] // HLS recording save path std::string hls_save_path; // 支持通过on_publish返回值替换stream_id [AUTO-TRANSLATED:2c4e4997] // Support replacing stream_id through the return value of on_publish std::string stream_replace; // 最大track数 [AUTO-TRANSLATED:2565fd37] // Maximum number of tracks size_t max_track = 2; template ProtocolOption(const MAP &allArgs) : ProtocolOption() { load(allArgs); } template void load(const MAP &allArgs) { #define GET_OPT_VALUE(key) getArgsValue(allArgs, #key, key) GET_OPT_VALUE(modify_stamp); GET_OPT_VALUE(enable_audio); GET_OPT_VALUE(add_mute_audio); GET_OPT_VALUE(auto_close); GET_OPT_VALUE(continue_push_ms); GET_OPT_VALUE(paced_sender_ms); GET_OPT_VALUE(enable_hls); GET_OPT_VALUE(enable_hls_fmp4); GET_OPT_VALUE(enable_mp4); GET_OPT_VALUE(enable_rtsp); GET_OPT_VALUE(enable_rtmp); GET_OPT_VALUE(enable_ts); GET_OPT_VALUE(enable_fmp4); GET_OPT_VALUE(hls_demand); GET_OPT_VALUE(rtsp_demand); GET_OPT_VALUE(rtmp_demand); GET_OPT_VALUE(ts_demand); GET_OPT_VALUE(fmp4_demand); GET_OPT_VALUE(mp4_max_second); GET_OPT_VALUE(mp4_as_player); GET_OPT_VALUE(mp4_save_path); GET_OPT_VALUE(hls_save_path); GET_OPT_VALUE(stream_replace); GET_OPT_VALUE(max_track); } }; // 该对象用于拦截感兴趣的MediaSourceEvent事件 [AUTO-TRANSLATED:fd6d0559] // This object is used to intercept interesting MediaSourceEvent events class MediaSourceEventInterceptor : public MediaSourceEvent { public: void setDelegate(const std::weak_ptr &listener); std::shared_ptr getDelegate() const; MediaOriginType getOriginType(MediaSource &sender) const override; std::string getOriginUrl(MediaSource &sender) const override; std::shared_ptr getOriginSock(MediaSource &sender) const 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) override; int totalReaderCount(MediaSource &sender) override; void onReaderChanged(MediaSource &sender, int size) override; void onRegist(MediaSource &sender, bool regist) override; bool setupRecord(MediaSource &sender, Recorder::type type, bool start, const std::string &custom_path, size_t max_second) override; bool isRecording(MediaSource &sender, Recorder::type type) override; std::vector getMediaTracks(MediaSource &sender, bool trackReady = true) const override; void startSendRtp(MediaSource &sender, const SendRtpArgs &args, const std::function cb) override; bool stopSendRtp(MediaSource &sender, const std::string &ssrc) override; float getLossRate(MediaSource &sender, TrackType type) override; toolkit::EventPoller::Ptr getOwnerPoller(MediaSource &sender) override; std::shared_ptr getMuxer(MediaSource &sender) const override; std::shared_ptr getRtpProcess(MediaSource &sender) const override; private: std::weak_ptr _listener; }; /** * 解析url获取媒体相关信息 * Parse the url to get media information * [AUTO-TRANSLATED:3b3cfde7] */ class MediaInfo: public MediaTuple { public: MediaInfo() = default; MediaInfo(const std::string &url) { parse(url); } void parse(const std::string &url); std::string getUrl() const { return schema + "://" + shortUrl(); } public: uint16_t port = 0; std::string full_url; std::string schema; std::string host; }; bool equalMediaTuple(const MediaTuple& a, const MediaTuple& b); /** * 媒体源，任何rtsp/rtmp的直播流都源自该对象 * Media source, any rtsp/rtmp live stream originates from this object * [AUTO-TRANSLATED:658077ad] */ class MediaSource: public TrackSource, public std::enable_shared_from_this { public: static MediaSource& NullMediaSource(); using Ptr = std::shared_ptr; MediaSource(const std::string &schema, const MediaTuple& tuple); virtual ~MediaSource(); // //////////////获取MediaSource相关信息//////////////// [AUTO-TRANSLATED:4a520f1f] // //////////////Get MediaSource information//////////////// // 获取协议类型 [AUTO-TRANSLATED:d6b50c14] // Get protocol type const std::string& getSchema() const { return _schema; } const MediaTuple& getMediaTuple() const { return _tuple; } std::string getUrl() const { return _schema + "://" + _tuple.shortUrl(); } // 获取对象所有权 [AUTO-TRANSLATED:84fb43cd] // Get object ownership std::shared_ptr getOwnership(); // 获取所有Track [AUTO-TRANSLATED:59f1c570] // Get all Tracks std::vector getTracks(bool ready = true) const override; // 获取流当前时间戳 [AUTO-TRANSLATED:f65f560a] // Get the current timestamp of the stream virtual uint32_t getTimeStamp(TrackType type) { return 0; }; // 设置时间戳 [AUTO-TRANSLATED:2bfce32f] // Set timestamp virtual void setTimeStamp(uint32_t stamp) {}; // 获取数据速率，单位bytes/s [AUTO-TRANSLATED:c70465c1] // Get data rate, unit bytes/s int getBytesSpeed(TrackType type = TrackInvalid); // 获取流创建GMT unix时间戳，单位秒 [AUTO-TRANSLATED:0bbe145e] // Get the stream creation GMT unix timestamp, unit seconds uint64_t getCreateStamp() const { return _create_stamp; } // 获取流上线时间，单位秒 [AUTO-TRANSLATED:a087d56a] // Get the stream online time, unit seconds uint64_t getAliveSecond() const; // //////////////MediaSourceEvent相关接口实现//////////////// [AUTO-TRANSLATED:aa63d949] // //////////////MediaSourceEvent related interface implementation//////////////// // 设置监听者 [AUTO-TRANSLATED:b9b90b57] // Set listener virtual void setListener(const std::weak_ptr &listener); // 获取监听者 [AUTO-TRANSLATED:5c9cbb82] // Get listener std::weak_ptr getListener() const; // 本协议获取观看者个数，可能返回本协议的观看人数，也可能返回总人数 [AUTO-TRANSLATED:0874fa7c] // This protocol gets the number of viewers, it may return the number of viewers of this protocol, or it may return the total number of viewers virtual int readerCount() = 0; // 观看者个数，包括(hls/rtsp/rtmp) [AUTO-TRANSLATED:6604020f] // Number of viewers, including (hls/rtsp/rtmp) virtual int totalReaderCount(); // 获取播放器列表 [AUTO-TRANSLATED:e7691d2b] // Get the player list virtual void getPlayerList(const std::function &info_list)> &cb, const std::function &on_change) { assert(cb); cb(std::list()); } virtual bool broadcastMessage(const toolkit::Any &data) { return false; } // 获取媒体源类型 [AUTO-TRANSLATED:34290a69] // Get the media source type MediaOriginType getOriginType() const; // 获取媒体源url或者文件路径 [AUTO-TRANSLATED:fa34d795] // Get the media source url or file path std::string getOriginUrl() const; // 获取媒体源客户端相关信息 [AUTO-TRANSLATED:037ef910] // Get the media source client information std::shared_ptr getOriginSock() const; // 拖动进度条 [AUTO-TRANSLATED:65ee8a83] // Drag the progress bar bool seekTo(uint32_t stamp); // 暂停 [AUTO-TRANSLATED:ffd21ae7] // Pause bool pause(bool pause); // 倍数播放 [AUTO-TRANSLATED:a5e3c1c9] // Playback speed bool speed(float speed); // 关闭该流 [AUTO-TRANSLATED:b3867b98] // Close the stream bool close(bool force); // 该流观看人数变化 [AUTO-TRANSLATED:8e583993] // The number of viewers of this stream changes void onReaderChanged(int size); // 开启或关闭录制 [AUTO-TRANSLATED:3817e390] // Turn recording on or off bool setupRecord(Recorder::type type, bool start, const std::string &custom_path, size_t max_second); // 获取录制状态 [AUTO-TRANSLATED:a0499880] // Get recording status bool isRecording(Recorder::type type); // 开始发送ps-rtp [AUTO-TRANSLATED:a51796fa] // Start sending ps-rtp void startSendRtp(const MediaSourceEvent::SendRtpArgs &args, const std::function cb); // 停止发送ps-rtp [AUTO-TRANSLATED:952d2b35] // Stop sending ps-rtp bool stopSendRtp(const std::string &ssrc); // 获取丢包率 [AUTO-TRANSLATED:ec61b378] // Get packet loss rate float getLossRate(mediakit::TrackType type); // 获取所在线程 [AUTO-TRANSLATED:75662eb8] // Get the thread where it is running toolkit::EventPoller::Ptr getOwnerPoller(); // 获取MultiMediaSourceMuxer对象 [AUTO-TRANSLATED:2de96d44] // Get the MultiMediaSourceMuxer object std::shared_ptr getMuxer() const; // 获取RtpProcess对象 [AUTO-TRANSLATED:c6b7da43] // Get the RtpProcess object std::shared_ptr getRtpProcess() const; // //////////////static方法，查找或生成MediaSource//////////////// [AUTO-TRANSLATED:c3950036] // //////////////static methods, find or generate MediaSource//////////////// // 同步查找流 [AUTO-TRANSLATED:97048f1e] // Synchronously find the stream static Ptr find(const std::string &schema, const std::string &vhost, const std::string &app, const std::string &id, bool from_mp4 = false); static Ptr find(const MediaInfo &info, bool from_mp4 = false) { return find(info.schema, info.vhost, info.app, info.stream, from_mp4); } // 忽略schema，同步查找流，可能返回rtmp/rtsp/hls类型 [AUTO-TRANSLATED:8c061cac] // Ignore schema, synchronously find the stream, may return rtmp/rtsp/hls type static Ptr find(const std::string &vhost, const std::string &app, const std::string &stream_id, bool from_mp4 = false); // 异步查找流 [AUTO-TRANSLATED:4decf738] // Asynchronously find the stream static void findAsync(const MediaInfo &info, const std::shared_ptr &session, const std::function &cb); // 遍历所有流 [AUTO-TRANSLATED:a39b2399] // Traverse all streams static void for_each_media(const std::function &cb, const std::string &schema = "", const std::string &vhost = "", const std::string &app = "", const std::string &stream = ""); // 从mp4文件生成MediaSource [AUTO-TRANSLATED:7df9762e] // Generate MediaSource from mp4 file static MediaSource::Ptr createFromMP4(const std::string &schema, const std::string &vhost, const std::string &app, const std::string &stream, const std::string &file_path = "", bool check_app = true); protected: // 媒体注册 [AUTO-TRANSLATED:dbf5c730] // Media registration void regist(); private: // 媒体注销 [AUTO-TRANSLATED:06a0630a] // Media unregistration bool unregist(); // 触发媒体事件 [AUTO-TRANSLATED:0c2f9ae6] // Trigger media events void emitEvent(bool regist); protected: toolkit::BytesSpeed _speed[TrackMax]; MediaTuple _tuple; private: std::atomic_flag _owned { false }; time_t _create_stamp; toolkit::Ticker _ticker; std::string _schema; std::weak_ptr _listener; // 对象个数统计 [AUTO-TRANSLATED:f4a012d0] // Object count statistics toolkit::ObjectStatistic _statistic; }; } /* namespace mediakit */ #endif //ZLMEDIAKIT_MEDIASOURCE_H