ZLMediaKit/src/Rtmp/RtmpMediaSourceMuxer.h
2021-01-17 18:31:50 +08:00

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/*
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
*
* Use of this source code is governed by MIT 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_RTMPMEDIASOURCEMUXER_H
#define ZLMEDIAKIT_RTMPMEDIASOURCEMUXER_H
#include "RtmpMuxer.h"
#include "Rtmp/RtmpMediaSource.h"
namespace mediakit {
class RtmpMediaSourceMuxer : public RtmpMuxer, public MediaSourceEventInterceptor,
public std::enable_shared_from_this<RtmpMediaSourceMuxer> {
public:
typedef std::shared_ptr<RtmpMediaSourceMuxer> Ptr;
RtmpMediaSourceMuxer(const string &vhost,
const string &strApp,
const string &strId,
const TitleMeta::Ptr &title = nullptr) : RtmpMuxer(title){
_media_src = std::make_shared<RtmpMediaSource>(vhost, strApp, strId);
getRtmpRing()->setDelegate(_media_src);
}
~RtmpMediaSourceMuxer() override{}
void setListener(const std::weak_ptr<MediaSourceEvent> &listener){
setDelegate(listener);
_media_src->setListener(shared_from_this());
}
void setTimeStamp(uint32_t stamp){
_media_src->setTimeStamp(stamp);
}
int readerCount() const{
return _media_src->readerCount();
}
void onAllTrackReady(){
makeConfigPacket();
_media_src->setMetaData(getMetadata());
}
void onReaderChanged(MediaSource &sender, int size) override {
GET_CONFIG(bool, rtmp_demand, General::kRtmpDemand);
_enabled = rtmp_demand ? size : true;
if (!size && rtmp_demand) {
_clear_cache = true;
}
MediaSourceEventInterceptor::onReaderChanged(sender, size);
}
void inputFrame(const Frame::Ptr &frame) override {
GET_CONFIG(bool, rtmp_demand, General::kRtmpDemand);
if (_clear_cache && rtmp_demand) {
_clear_cache = false;
_media_src->clearCache();
}
if (_enabled || !rtmp_demand) {
RtmpMuxer::inputFrame(frame);
}
}
bool isEnabled() {
GET_CONFIG(bool, rtmp_demand, General::kRtmpDemand);
//缓存尚未清空时还允许触发inputFrame函数以便及时清空缓存
return rtmp_demand ? (_clear_cache ? true : _enabled) : true;
}
private:
bool _enabled = true;
bool _clear_cache = false;
RtmpMediaSource::Ptr _media_src;
};
}//namespace mediakit
#endif //ZLMEDIAKIT_RTMPMEDIASOURCEMUXER_H