ZLMediaKit/src/Record/HlsMediaSource.h
2020-03-20 11:51:24 +08:00

115 lines
3.2 KiB
C++

/*
* MIT License
*
* Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
*
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef ZLMEDIAKIT_HLSMEDIASOURCE_H
#define ZLMEDIAKIT_HLSMEDIASOURCE_H
#include <atomic>
#include "Util/TimeTicker.h"
#include "Common/MediaSource.h"
namespace mediakit{
class HlsMediaSource : public MediaSource {
public:
friend class HlsCookieData;
typedef RingBuffer<string> RingType;
typedef std::shared_ptr<HlsMediaSource> Ptr;
HlsMediaSource(const string &vhost, const string &app, const string &stream_id) : MediaSource(HLS_SCHEMA, vhost, app, stream_id){
_readerCount = 0;
_ring = std::make_shared<RingType>();
}
virtual ~HlsMediaSource() = default;
/**
* 获取媒体源的环形缓冲
*/
const RingType::Ptr &getRing() const {
return _ring;
}
/**
* 获取播放器个数
* @return
*/
int readerCount() override {
return _readerCount.load();
}
/**
* 注册hls
*/
void registHls(){
if(!_registed){
regist();
_registed = true;
}
}
private:
/**
* 修改观看者个数
* @param add 添加海思删除
*/
void modifyReaderCount(bool add) {
if (add) {
++_readerCount;
return;
}
if (--_readerCount == 0 && totalReaderCount() == 0) {
onNoneReader();
}
}
private:
atomic_int _readerCount;
bool _registed = false;
RingType::Ptr _ring;
};
class HlsCookieData{
public:
typedef std::shared_ptr<HlsCookieData> Ptr;
HlsCookieData(const MediaInfo &info, const string &sessionIdentifier, const string &peer_ip, uint16_t peer_port);
~HlsCookieData();
void addByteUsage(uint64_t bytes);
private:
void addReaderCount();
private:
uint64_t _bytes = 0;
MediaInfo _info;
string _sessionIdentifier;
string _peer_ip;
uint16_t _peer_port;
std::shared_ptr<bool> _added;
weak_ptr<HlsMediaSource> _src;
Ticker _ticker;
HlsMediaSource::RingType::RingReader::Ptr _ring_reader;
};
}//namespace mediakit
#endif //ZLMEDIAKIT_HLSMEDIASOURCE_H