mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-27 05:38:31 +08:00
150 lines
3.3 KiB
C++
150 lines
3.3 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/xiongziliang/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 ZLMEDIAKIT_TRACK_H
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#define ZLMEDIAKIT_TRACK_H
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#include <memory>
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#include <string>
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#include "Frame.h"
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#include "Util/RingBuffer.h"
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#include "Rtsp/Rtsp.h"
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using namespace toolkit;
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namespace mediakit{
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/**
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* 媒体通道描述类，也支持帧输入输出
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*/
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class Track : public FrameDispatcher , public CodecInfo{
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public:
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typedef std::shared_ptr<Track> Ptr;
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Track(){}
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virtual ~Track(){}
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/**
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* 是否准备好，准备好才能获取譬如sps pps等信息
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* @return
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*/
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virtual bool ready() = 0;
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/**
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* 克隆接口，用于复制本对象用
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* 在调用该接口时只会复制派生类的信息
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* 环形缓存和代理关系不能拷贝，否则会关系紊乱
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* @return
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*/
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virtual Track::Ptr clone() = 0;
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/**
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* 生成sdp
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* @return sdp对象
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*/
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virtual Sdp::Ptr getSdp() = 0;
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/**
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* 复制拷贝，只能拷贝派生类的信息，
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* 环形缓存和代理关系不能拷贝，否则会关系紊乱
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* @param that
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*/
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Track(const Track &that){}
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};
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/**
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* 视频通道描述Track类，支持获取宽高fps信息
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*/
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class VideoTrack : public Track {
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public:
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typedef std::shared_ptr<VideoTrack> Ptr;
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TrackType getTrackType() const override { return TrackVideo;};
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/**
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* 返回视频高度
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* @return
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*/
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virtual int getVideoHeight() const {return 0;};
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/**
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* 返回视频宽度
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* @return
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*/
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virtual int getVideoWidth() const {return 0;};
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/**
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* 返回视频fps
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* @return
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*/
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virtual float getVideoFps() const {return 0;};
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};
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/**
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* 音频Track派生类，支持采样率通道数，采用位数信息
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*/
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class AudioTrack : public Track {
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public:
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typedef std::shared_ptr<AudioTrack> Ptr;
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TrackType getTrackType() const override { return TrackAudio;};
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/**
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* 返回音频采样率
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* @return
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*/
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virtual int getAudioSampleRate() const {return 0;};
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/**
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* 返回音频采样位数，一般为16或8
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* @return
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*/
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virtual int getAudioSampleBit() const {return 0;};
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/**
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* 返回音频通道数
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* @return
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*/
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virtual int getAudioChannel() const {return 0;};
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};
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class TrackSource{
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public:
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TrackSource(){}
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virtual ~TrackSource(){}
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/**
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* 获取全部的Track
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* @param trackReady 是否获取全部已经准备好的Track
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* @return
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*/
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virtual vector<Track::Ptr> getTracks(bool trackReady = true) const = 0;
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/**
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* 获取特定Track
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* @param type track类型
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* @param trackReady 是否获取全部已经准备好的Track
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* @return
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*/
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Track::Ptr getTrack(TrackType type , bool trackReady = true) const {
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auto tracks = getTracks(trackReady);
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for(auto &track : tracks){
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if(track->getTrackType() == type){
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return track;
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}
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}
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return nullptr;
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}
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};
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}//namespace mediakit
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#endif //ZLMEDIAKIT_TRACK_H
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