ZLMediaKit/src/Rtmp/RtmpMediaSourceMuxer.h

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/*
* 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_RTMPMEDIASOURCEMUXER_H
#define ZLMEDIAKIT_RTMPMEDIASOURCEMUXER_H
#include "RtmpMuxer.h"
#include "Rtmp/RtmpMediaSource.h"
namespace mediakit {
class RtmpMediaSourceMuxer final : public RtmpMuxer, public MediaSourceEventInterceptor,
public std::enable_shared_from_this<RtmpMediaSourceMuxer> {
public:
using Ptr = std::shared_ptr<RtmpMediaSourceMuxer>;
RtmpMediaSourceMuxer(const MediaTuple& tuple,
const ProtocolOption &option,
const TitleMeta::Ptr &title = nullptr) : RtmpMuxer(title) {
_option = option;
_media_src = std::make_shared<RtmpMediaSource>(tuple);
getRtmpRing()->setDelegate(_media_src);
}
~RtmpMediaSourceMuxer() override {
try {
RtmpMuxer::flush();
} catch (std::exception &ex) {
WarnL << ex.what();
}
}
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 addTrackCompleted() override {
RtmpMuxer::addTrackCompleted();
makeConfigPacket();
_media_src->setMetaData(getMetadata());
}
void onReaderChanged(MediaSource &sender, int size) override {
_enabled = _option.rtmp_demand ? size : true;
if (!size && _option.rtmp_demand) {
_clear_cache = true;
}
MediaSourceEventInterceptor::onReaderChanged(sender, size);
}
bool inputFrame(const Frame::Ptr &frame) override {
if (_clear_cache && _option.rtmp_demand) {
_clear_cache = false;
_media_src->clearCache();
}
if (_enabled || !_option.rtmp_demand) {
return RtmpMuxer::inputFrame(frame);
}
return false;
}
bool isEnabled() {
//缓存尚未清空时还允许触发inputFrame函数以便及时清空缓存
return _option.rtmp_demand ? (_clear_cache ? true : _enabled) : true;
}
private:
bool _enabled = true;
bool _clear_cache = false;
ProtocolOption _option;
RtmpMediaSource::Ptr _media_src;
};
}//namespace mediakit
#endif //ZLMEDIAKIT_RTMPMEDIASOURCEMUXER_H