ZLMediaKit/src/TS/TSMediaSourceMuxer.h

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/*
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/xiongziliang/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_TSMEDIASOURCEMUXER_H
#define ZLMEDIAKIT_TSMEDIASOURCEMUXER_H
#include "TSMediaSource.h"
#include "Record/TsMuxer.h"
namespace mediakit {
class TSMediaSourceMuxer : public TsMuxer, public MediaSourceEventInterceptor,
public std::enable_shared_from_this<TSMediaSourceMuxer> {
public:
using Ptr = std::shared_ptr<TSMediaSourceMuxer>;
TSMediaSourceMuxer(const string &vhost,
const string &app,
const string &stream_id) {
_media_src = std::make_shared<TSMediaSource>(vhost, app, stream_id);
_pool.setSize(256);
}
~TSMediaSourceMuxer() override = default;
void setListener(const std::weak_ptr<MediaSourceEvent> &listener){
_listener = listener;
_media_src->setListener(shared_from_this());
}
int readerCount() const{
return _media_src->readerCount();
}
void onReaderChanged(MediaSource &sender, int size) override {
_enabled = size;
if (!size) {
_clear_cache = true;
}
MediaSourceEventInterceptor::onReaderChanged(sender, size);
}
void inputFrame(const Frame::Ptr &frame) override {
if (_clear_cache) {
_clear_cache = false;
_media_src->clearCache();
}
if (_enabled) {
TsMuxer::inputFrame(frame);
}
}
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 _clear_cache ? true : _enabled;
}
protected:
void onTs(const void *data, int len,uint32_t timestamp,bool is_idr_fast_packet) override{
if(!data || !len){
return;
}
TSPacket::Ptr packet = _pool.obtain();
packet->assign((char *) data, len);
packet->time_stamp = timestamp;
_media_src->onWrite(std::move(packet), is_idr_fast_packet);
}
private:
bool _enabled = true;
bool _clear_cache = false;
TSMediaSource::PoolType _pool;
TSMediaSource::Ptr _media_src;
};
}//namespace mediakit
#endif //ZLMEDIAKIT_TSMEDIASOURCEMUXER_H