ZLMediaKit/src/Player/PlayerProxy.cpp
2020-08-15 09:51:31 +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/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.
*/
#include "Common/config.h"
#include "PlayerProxy.h"
#include "Util/mini.h"
#include "Util/MD5.h"
#include "Util/logger.h"
#include "Extension/AAC.h"
using namespace toolkit;
namespace mediakit {
static uint8_t s_mute_adts[] = {0xff, 0xf1, 0x6c, 0x40, 0x2d, 0x3f, 0xfc, 0x00, 0xe0, 0x34, 0x20, 0xad, 0xf2, 0x3f, 0xb5, 0xdd,
0x73, 0xac, 0xbd, 0xca, 0xd7, 0x7d, 0x4a, 0x13, 0x2d, 0x2e, 0xa2, 0x62, 0x02, 0x70, 0x3c, 0x1c,
0xc5, 0x63, 0x55, 0x69, 0x94, 0xb5, 0x8d, 0x70, 0xd7, 0x24, 0x6a, 0x9e, 0x2e, 0x86, 0x24, 0xea,
0x4f, 0xd4, 0xf8, 0x10, 0x53, 0xa5, 0x4a, 0xb2, 0x9a, 0xf0, 0xa1, 0x4f, 0x2f, 0x66, 0xf9, 0xd3,
0x8c, 0xa6, 0x97, 0xd5, 0x84, 0xac, 0x09, 0x25, 0x98, 0x0b, 0x1d, 0x77, 0x04, 0xb8, 0x55, 0x49,
0x85, 0x27, 0x06, 0x23, 0x58, 0xcb, 0x22, 0xc3, 0x20, 0x3a, 0x12, 0x09, 0x48, 0x24, 0x86, 0x76,
0x95, 0xe3, 0x45, 0x61, 0x43, 0x06, 0x6b, 0x4a, 0x61, 0x14, 0x24, 0xa9, 0x16, 0xe0, 0x97, 0x34,
0xb6, 0x58, 0xa4, 0x38, 0x34, 0x90, 0x19, 0x5d, 0x00, 0x19, 0x4a, 0xc2, 0x80, 0x4b, 0xdc, 0xb7,
0x00, 0x18, 0x12, 0x3d, 0xd9, 0x93, 0xee, 0x74, 0x13, 0x95, 0xad, 0x0b, 0x59, 0x51, 0x0e, 0x99,
0xdf, 0x49, 0x98, 0xde, 0xa9, 0x48, 0x4b, 0xa5, 0xfb, 0xe8, 0x79, 0xc9, 0xe2, 0xd9, 0x60, 0xa5,
0xbe, 0x74, 0xa6, 0x6b, 0x72, 0x0e, 0xe3, 0x7b, 0x28, 0xb3, 0x0e, 0x52, 0xcc, 0xf6, 0x3d, 0x39,
0xb7, 0x7e, 0xbb, 0xf0, 0xc8, 0xce, 0x5c, 0x72, 0xb2, 0x89, 0x60, 0x33, 0x7b, 0xc5, 0xda, 0x49,
0x1a, 0xda, 0x33, 0xba, 0x97, 0x9e, 0xa8, 0x1b, 0x6d, 0x5a, 0x77, 0xb6, 0xf1, 0x69, 0x5a, 0xd1,
0xbd, 0x84, 0xd5, 0x4e, 0x58, 0xa8, 0x5e, 0x8a, 0xa0, 0xc2, 0xc9, 0x22, 0xd9, 0xa5, 0x53, 0x11,
0x18, 0xc8, 0x3a, 0x39, 0xcf, 0x3f, 0x57, 0xb6, 0x45, 0x19, 0x1e, 0x8a, 0x71, 0xa4, 0x46, 0x27,
0x9e, 0xe9, 0xa4, 0x86, 0xdd, 0x14, 0xd9, 0x4d, 0xe3, 0x71, 0xe3, 0x26, 0xda, 0xaa, 0x17, 0xb4,
0xac, 0xe1, 0x09, 0xc1, 0x0d, 0x75, 0xba, 0x53, 0x0a, 0x37, 0x8b, 0xac, 0x37, 0x39, 0x41, 0x27,
0x6a, 0xf0, 0xe9, 0xb4, 0xc2, 0xac, 0xb0, 0x39, 0x73, 0x17, 0x64, 0x95, 0xf4, 0xdc, 0x33, 0xbb,
0x84, 0x94, 0x3e, 0xf8, 0x65, 0x71, 0x60, 0x7b, 0xd4, 0x5f, 0x27, 0x79, 0x95, 0x6a, 0xba, 0x76,
0xa6, 0xa5, 0x9a, 0xec, 0xae, 0x55, 0x3a, 0x27, 0x48, 0x23, 0xcf, 0x5c, 0x4d, 0xbc, 0x0b, 0x35,
0x5c, 0xa7, 0x17, 0xcf, 0x34, 0x57, 0xc9, 0x58, 0xc5, 0x20, 0x09, 0xee, 0xa5, 0xf2, 0x9c, 0x6c,
0x39, 0x1a, 0x77, 0x92, 0x9b, 0xff, 0xc6, 0xae, 0xf8, 0x36, 0xba, 0xa8, 0xaa, 0x6b, 0x1e, 0x8c,
0xc5, 0x97, 0x39, 0x6a, 0xb8, 0xa2, 0x55, 0xa8, 0xf8};
#define MUTE_ADTS_DATA s_mute_adts
#define MUTE_ADTS_DATA_LEN sizeof(s_mute_adts)
#define MUTE_ADTS_DATA_MS 130
PlayerProxy::PlayerProxy(const string &vhost, const string &app, const string &stream_id,
bool enable_rtsp, bool enable_rtmp, bool enable_hls, bool enable_mp4,
int retry_count, const EventPoller::Ptr &poller) : MediaPlayer(poller){
_vhost = vhost;
_app = app;
_stream_id = stream_id;
_enable_rtsp = enable_rtsp;
_enable_rtmp = enable_rtmp;
_enable_hls = enable_hls;
_enable_mp4 = enable_mp4;
_retry_count = retry_count;
}
void PlayerProxy::setPlayCallbackOnce(const function<void(const SockException &ex)> &cb){
_on_play = cb;
}
void PlayerProxy::setOnClose(const function<void()> &cb){
_on_close = cb;
}
void PlayerProxy::play(const string &strUrlTmp) {
weak_ptr<PlayerProxy> weakSelf = shared_from_this();
std::shared_ptr<int> piFailedCnt(new int(0)); //连续播放失败次数
setOnPlayResult([weakSelf,strUrlTmp,piFailedCnt](const SockException &err) {
auto strongSelf = weakSelf.lock();
if(!strongSelf) {
return;
}
if(strongSelf->_on_play) {
strongSelf->_on_play(err);
strongSelf->_on_play = nullptr;
}
if(!err) {
// 播放成功
*piFailedCnt = 0;//连续播放失败次数清0
strongSelf->onPlaySuccess();
}else if(*piFailedCnt < strongSelf->_retry_count || strongSelf->_retry_count < 0) {
// 播放失败,延时重试播放
strongSelf->rePlay(strUrlTmp,(*piFailedCnt)++);
}
});
setOnShutdown([weakSelf,strUrlTmp,piFailedCnt](const SockException &err) {
auto strongSelf = weakSelf.lock();
if(!strongSelf) {
return;
}
if(strongSelf->_muxer) {
auto tracks = strongSelf->getTracks(false);
for (auto & track : tracks){
track->delDelegate(strongSelf->_muxer.get());
}
GET_CONFIG(bool,resetWhenRePlay,General::kResetWhenRePlay);
if (resetWhenRePlay) {
strongSelf->_muxer.reset();
} else {
strongSelf->_muxer->resetTracks();
}
}
//播放异常中断,延时重试播放
if(*piFailedCnt < strongSelf->_retry_count || strongSelf->_retry_count < 0) {
strongSelf->rePlay(strUrlTmp,(*piFailedCnt)++);
}
});
MediaPlayer::play(strUrlTmp);
MediaSource::Ptr mediaSource;
if(dynamic_pointer_cast<RtspPlayer>(_delegate)){
//rtsp拉流
GET_CONFIG(bool,directProxy,Rtsp::kDirectProxy);
if(directProxy && _enable_rtsp){
mediaSource = std::make_shared<RtspMediaSource>(_vhost, _app, _stream_id);
}
} else if(dynamic_pointer_cast<RtmpPlayer>(_delegate)){
//rtmp拉流
if(_enable_rtmp){
//rtmp强制直接代理
mediaSource = std::make_shared<RtmpMediaSource>(_vhost, _app, _stream_id);
}
}
if(mediaSource){
setMediaSouce(mediaSource);
mediaSource->setListener(shared_from_this());
}
}
PlayerProxy::~PlayerProxy() {
_timer.reset();
}
void PlayerProxy::rePlay(const string &strUrl,int iFailedCnt){
auto iDelay = MAX(2 * 1000, MIN(iFailedCnt * 3000, 60*1000));
weak_ptr<PlayerProxy> weakSelf = shared_from_this();
_timer = std::make_shared<Timer>(iDelay / 1000.0f,[weakSelf,strUrl,iFailedCnt]() {
//播放失败次数越多,则延时越长
auto strongPlayer = weakSelf.lock();
if(!strongPlayer) {
return false;
}
WarnL << "重试播放[" << iFailedCnt << "]:" << strUrl;
strongPlayer->MediaPlayer::play(strUrl);
return false;
}, getPoller());
}
bool PlayerProxy::close(MediaSource &sender,bool force) {
if(!force && totalReaderCount()){
return false;
}
//通知其停止推流
weak_ptr<PlayerProxy> weakSelf = dynamic_pointer_cast<PlayerProxy>(shared_from_this());
getPoller()->async_first([weakSelf]() {
auto strongSelf = weakSelf.lock();
if (!strongSelf) {
return;
}
strongSelf->_muxer.reset();
strongSelf->setMediaSouce(nullptr);
strongSelf->teardown();
if (strongSelf->_on_close) {
strongSelf->_on_close();
}
});
WarnL << sender.getSchema() << "/" << sender.getVhost() << "/" << sender.getApp() << "/" << sender.getId() << " " << force;
return true;
}
int PlayerProxy::totalReaderCount(){
return (_muxer ? _muxer->totalReaderCount() : 0) + (_pMediaSrc ? _pMediaSrc->readerCount() : 0);
}
int PlayerProxy::totalReaderCount(MediaSource &sender) {
return totalReaderCount();
}
class MuteAudioMaker : public FrameDispatcher{
public:
typedef std::shared_ptr<MuteAudioMaker> Ptr;
MuteAudioMaker(){};
~MuteAudioMaker() override {}
void inputFrame(const Frame::Ptr &frame) override {
if(frame->getTrackType() == TrackVideo){
auto audio_idx = frame->dts() / MUTE_ADTS_DATA_MS;
if(_audio_idx != audio_idx){
_audio_idx = audio_idx;
auto aacFrame = std::make_shared<FrameFromStaticPtr>(CodecAAC, (char *)MUTE_ADTS_DATA, MUTE_ADTS_DATA_LEN, _audio_idx * MUTE_ADTS_DATA_MS, 0 ,ADTS_HEADER_LEN);
FrameDispatcher::inputFrame(aacFrame);
}
}
}
private:
class FrameFromStaticPtr : public FrameFromPtr{
public:
template <typename ... ARGS>
FrameFromStaticPtr(ARGS && ...args) : FrameFromPtr(std::forward<ARGS>(args)...) {};
~FrameFromStaticPtr() override = default;
bool cacheAble() const override {
return true;
}
};
private:
int _audio_idx = 0;
};
void PlayerProxy::onPlaySuccess() {
GET_CONFIG(bool,resetWhenRePlay,General::kResetWhenRePlay);
if (dynamic_pointer_cast<RtspMediaSource>(_pMediaSrc)) {
//rtsp拉流代理
if (resetWhenRePlay || !_muxer) {
_muxer.reset(new MultiMediaSourceMuxer(_vhost, _app, _stream_id, getDuration(), false, _enable_rtmp, _enable_hls, _enable_mp4));
}
} else if (dynamic_pointer_cast<RtmpMediaSource>(_pMediaSrc)) {
//rtmp拉流代理
if (resetWhenRePlay || !_muxer) {
_muxer.reset(new MultiMediaSourceMuxer(_vhost, _app, _stream_id, getDuration(), _enable_rtsp, false, _enable_hls, _enable_mp4));
}
} else {
//其他拉流代理
if (resetWhenRePlay || !_muxer) {
_muxer.reset(new MultiMediaSourceMuxer(_vhost, _app, _stream_id, getDuration(), _enable_rtsp, _enable_rtmp, _enable_hls, _enable_mp4));
}
}
_muxer->setMediaListener(shared_from_this());
auto videoTrack = getTrack(TrackVideo, false);
if (videoTrack) {
//添加视频
_muxer->addTrack(videoTrack);
//视频数据写入_mediaMuxer
videoTrack->addDelegate(_muxer);
}
//是否添加静音音频
GET_CONFIG(bool, addMuteAudio, General::kAddMuteAudio);
auto audioTrack = getTrack(TrackAudio, false);
if (audioTrack) {
//添加音频
_muxer->addTrack(audioTrack);
//音频数据写入_mediaMuxer
audioTrack->addDelegate(_muxer);
} else if (addMuteAudio && videoTrack) {
//没有音频信息,产生一个静音音频
MuteAudioMaker::Ptr audioMaker = std::make_shared<MuteAudioMaker>();
//videoTrack把数据写入MuteAudioMaker
videoTrack->addDelegate(audioMaker);
//添加一个静音Track至_mediaMuxer
_muxer->addTrack(std::make_shared<AACTrack>());
//MuteAudioMaker生成静音音频然后写入_mediaMuxer
audioMaker->addDelegate(_muxer);
}
//添加完毕所有track防止单track情况下最大等待3秒
_muxer->addTrackCompleted();
if (_pMediaSrc) {
_pMediaSrc->setTrackSource(_muxer);
}
}
} /* namespace mediakit */