mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-23 03:10:04 +08:00
279 lines
11 KiB
C++
279 lines
11 KiB
C++
/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
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*
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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#include "Common/config.h"
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#include "PlayerProxy.h"
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#include "Util/mini.h"
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#include "Util/MD5.h"
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#include "Util/logger.h"
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#include "Extension/AAC.h"
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using namespace toolkit;
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namespace mediakit {
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static uint8_t s_mute_adts[] = {0xff, 0xf1, 0x6c, 0x40, 0x2d, 0x3f, 0xfc, 0x00, 0xe0, 0x34, 0x20, 0xad, 0xf2, 0x3f, 0xb5, 0xdd,
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0x73, 0xac, 0xbd, 0xca, 0xd7, 0x7d, 0x4a, 0x13, 0x2d, 0x2e, 0xa2, 0x62, 0x02, 0x70, 0x3c, 0x1c,
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0xc5, 0x63, 0x55, 0x69, 0x94, 0xb5, 0x8d, 0x70, 0xd7, 0x24, 0x6a, 0x9e, 0x2e, 0x86, 0x24, 0xea,
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0x4f, 0xd4, 0xf8, 0x10, 0x53, 0xa5, 0x4a, 0xb2, 0x9a, 0xf0, 0xa1, 0x4f, 0x2f, 0x66, 0xf9, 0xd3,
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0x8c, 0xa6, 0x97, 0xd5, 0x84, 0xac, 0x09, 0x25, 0x98, 0x0b, 0x1d, 0x77, 0x04, 0xb8, 0x55, 0x49,
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0x85, 0x27, 0x06, 0x23, 0x58, 0xcb, 0x22, 0xc3, 0x20, 0x3a, 0x12, 0x09, 0x48, 0x24, 0x86, 0x76,
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0x95, 0xe3, 0x45, 0x61, 0x43, 0x06, 0x6b, 0x4a, 0x61, 0x14, 0x24, 0xa9, 0x16, 0xe0, 0x97, 0x34,
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0xb6, 0x58, 0xa4, 0x38, 0x34, 0x90, 0x19, 0x5d, 0x00, 0x19, 0x4a, 0xc2, 0x80, 0x4b, 0xdc, 0xb7,
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0x00, 0x18, 0x12, 0x3d, 0xd9, 0x93, 0xee, 0x74, 0x13, 0x95, 0xad, 0x0b, 0x59, 0x51, 0x0e, 0x99,
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0xdf, 0x49, 0x98, 0xde, 0xa9, 0x48, 0x4b, 0xa5, 0xfb, 0xe8, 0x79, 0xc9, 0xe2, 0xd9, 0x60, 0xa5,
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0xbe, 0x74, 0xa6, 0x6b, 0x72, 0x0e, 0xe3, 0x7b, 0x28, 0xb3, 0x0e, 0x52, 0xcc, 0xf6, 0x3d, 0x39,
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0xb7, 0x7e, 0xbb, 0xf0, 0xc8, 0xce, 0x5c, 0x72, 0xb2, 0x89, 0x60, 0x33, 0x7b, 0xc5, 0xda, 0x49,
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0x1a, 0xda, 0x33, 0xba, 0x97, 0x9e, 0xa8, 0x1b, 0x6d, 0x5a, 0x77, 0xb6, 0xf1, 0x69, 0x5a, 0xd1,
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0xbd, 0x84, 0xd5, 0x4e, 0x58, 0xa8, 0x5e, 0x8a, 0xa0, 0xc2, 0xc9, 0x22, 0xd9, 0xa5, 0x53, 0x11,
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0x18, 0xc8, 0x3a, 0x39, 0xcf, 0x3f, 0x57, 0xb6, 0x45, 0x19, 0x1e, 0x8a, 0x71, 0xa4, 0x46, 0x27,
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0x9e, 0xe9, 0xa4, 0x86, 0xdd, 0x14, 0xd9, 0x4d, 0xe3, 0x71, 0xe3, 0x26, 0xda, 0xaa, 0x17, 0xb4,
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0xac, 0xe1, 0x09, 0xc1, 0x0d, 0x75, 0xba, 0x53, 0x0a, 0x37, 0x8b, 0xac, 0x37, 0x39, 0x41, 0x27,
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0x6a, 0xf0, 0xe9, 0xb4, 0xc2, 0xac, 0xb0, 0x39, 0x73, 0x17, 0x64, 0x95, 0xf4, 0xdc, 0x33, 0xbb,
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0x84, 0x94, 0x3e, 0xf8, 0x65, 0x71, 0x60, 0x7b, 0xd4, 0x5f, 0x27, 0x79, 0x95, 0x6a, 0xba, 0x76,
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0xa6, 0xa5, 0x9a, 0xec, 0xae, 0x55, 0x3a, 0x27, 0x48, 0x23, 0xcf, 0x5c, 0x4d, 0xbc, 0x0b, 0x35,
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0x5c, 0xa7, 0x17, 0xcf, 0x34, 0x57, 0xc9, 0x58, 0xc5, 0x20, 0x09, 0xee, 0xa5, 0xf2, 0x9c, 0x6c,
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0x39, 0x1a, 0x77, 0x92, 0x9b, 0xff, 0xc6, 0xae, 0xf8, 0x36, 0xba, 0xa8, 0xaa, 0x6b, 0x1e, 0x8c,
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0xc5, 0x97, 0x39, 0x6a, 0xb8, 0xa2, 0x55, 0xa8, 0xf8};
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#define MUTE_ADTS_DATA s_mute_adts
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#define MUTE_ADTS_DATA_LEN sizeof(s_mute_adts)
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#define MUTE_ADTS_DATA_MS 130
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PlayerProxy::PlayerProxy(const string &vhost, const string &app, const string &stream_id,
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bool enable_rtsp, bool enable_rtmp, bool enable_hls, bool enable_mp4,
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int retry_count, const EventPoller::Ptr &poller) : MediaPlayer(poller){
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_vhost = vhost;
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_app = app;
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_stream_id = stream_id;
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_enable_rtsp = enable_rtsp;
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_enable_rtmp = enable_rtmp;
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_enable_hls = enable_hls;
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_enable_mp4 = enable_mp4;
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_retry_count = retry_count;
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}
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void PlayerProxy::setPlayCallbackOnce(const function<void(const SockException &ex)> &cb){
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_on_play = cb;
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}
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void PlayerProxy::setOnClose(const function<void()> &cb){
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_on_close = cb;
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}
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void PlayerProxy::play(const string &strUrlTmp) {
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weak_ptr<PlayerProxy> weakSelf = shared_from_this();
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std::shared_ptr<int> piFailedCnt(new int(0)); //连续播放失败次数
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setOnPlayResult([weakSelf,strUrlTmp,piFailedCnt](const SockException &err) {
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auto strongSelf = weakSelf.lock();
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if(!strongSelf) {
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return;
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}
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if(strongSelf->_on_play) {
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strongSelf->_on_play(err);
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strongSelf->_on_play = nullptr;
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}
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if(!err) {
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// 播放成功
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*piFailedCnt = 0;//连续播放失败次数清0
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strongSelf->onPlaySuccess();
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}else if(*piFailedCnt < strongSelf->_retry_count || strongSelf->_retry_count < 0) {
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// 播放失败，延时重试播放
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strongSelf->rePlay(strUrlTmp,(*piFailedCnt)++);
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}
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});
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setOnShutdown([weakSelf,strUrlTmp,piFailedCnt](const SockException &err) {
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auto strongSelf = weakSelf.lock();
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if(!strongSelf) {
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return;
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}
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if(strongSelf->_muxer) {
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auto tracks = strongSelf->getTracks(false);
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for (auto & track : tracks){
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track->delDelegate(strongSelf->_muxer.get());
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}
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GET_CONFIG(bool,resetWhenRePlay,General::kResetWhenRePlay);
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if (resetWhenRePlay) {
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strongSelf->_muxer.reset();
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} else {
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strongSelf->_muxer->resetTracks();
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}
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}
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//播放异常中断，延时重试播放
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if(*piFailedCnt < strongSelf->_retry_count || strongSelf->_retry_count < 0) {
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strongSelf->rePlay(strUrlTmp,(*piFailedCnt)++);
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}
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});
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MediaPlayer::play(strUrlTmp);
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MediaSource::Ptr mediaSource;
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if(dynamic_pointer_cast<RtspPlayer>(_delegate)){
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//rtsp拉流
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GET_CONFIG(bool,directProxy,Rtsp::kDirectProxy);
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if(directProxy && _enable_rtsp){
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mediaSource = std::make_shared<RtspMediaSource>(_vhost, _app, _stream_id);
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}
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} else if(dynamic_pointer_cast<RtmpPlayer>(_delegate)){
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//rtmp拉流
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if(_enable_rtmp){
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//rtmp强制直接代理
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mediaSource = std::make_shared<RtmpMediaSource>(_vhost, _app, _stream_id);
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}
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}
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if(mediaSource){
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setMediaSouce(mediaSource);
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mediaSource->setListener(shared_from_this());
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}
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}
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PlayerProxy::~PlayerProxy() {
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_timer.reset();
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}
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void PlayerProxy::rePlay(const string &strUrl,int iFailedCnt){
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auto iDelay = MAX(2 * 1000, MIN(iFailedCnt * 3000, 60*1000));
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weak_ptr<PlayerProxy> weakSelf = shared_from_this();
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_timer = std::make_shared<Timer>(iDelay / 1000.0f,[weakSelf,strUrl,iFailedCnt]() {
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//播放失败次数越多，则延时越长
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auto strongPlayer = weakSelf.lock();
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if(!strongPlayer) {
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return false;
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}
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WarnL << "重试播放[" << iFailedCnt << "]:" << strUrl;
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strongPlayer->MediaPlayer::play(strUrl);
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return false;
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}, getPoller());
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}
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bool PlayerProxy::close(MediaSource &sender,bool force) {
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if(!force && totalReaderCount()){
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return false;
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}
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//通知其停止推流
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weak_ptr<PlayerProxy> weakSelf = dynamic_pointer_cast<PlayerProxy>(shared_from_this());
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getPoller()->async_first([weakSelf]() {
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auto strongSelf = weakSelf.lock();
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if (!strongSelf) {
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return;
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}
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strongSelf->_muxer.reset();
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strongSelf->setMediaSouce(nullptr);
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strongSelf->teardown();
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if (strongSelf->_on_close) {
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strongSelf->_on_close();
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}
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});
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WarnL << sender.getSchema() << "/" << sender.getVhost() << "/" << sender.getApp() << "/" << sender.getId() << " " << force;
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return true;
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}
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int PlayerProxy::totalReaderCount(){
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return (_muxer ? _muxer->totalReaderCount() : 0) + (_pMediaSrc ? _pMediaSrc->readerCount() : 0);
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}
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int PlayerProxy::totalReaderCount(MediaSource &sender) {
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return totalReaderCount();
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}
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class MuteAudioMaker : public FrameDispatcher{
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public:
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typedef std::shared_ptr<MuteAudioMaker> Ptr;
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MuteAudioMaker(){};
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~MuteAudioMaker() override {}
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void inputFrame(const Frame::Ptr &frame) override {
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if(frame->getTrackType() == TrackVideo){
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auto audio_idx = frame->dts() / MUTE_ADTS_DATA_MS;
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if(_audio_idx != audio_idx){
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_audio_idx = audio_idx;
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auto aacFrame = std::make_shared<FrameFromStaticPtr>(CodecAAC, (char *)MUTE_ADTS_DATA, MUTE_ADTS_DATA_LEN, _audio_idx * MUTE_ADTS_DATA_MS);
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FrameDispatcher::inputFrame(aacFrame);
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}
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}
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}
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private:
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class FrameFromStaticPtr : public FrameFromPtr{
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public:
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template <typename ... ARGS>
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FrameFromStaticPtr(ARGS && ...args) : FrameFromPtr(std::forward<ARGS>(args)...) {};
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~FrameFromStaticPtr() override = default;
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bool cacheAble() const override {
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return true;
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}
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};
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private:
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int _audio_idx = 0;
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};
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void PlayerProxy::onPlaySuccess() {
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GET_CONFIG(bool,resetWhenRePlay,General::kResetWhenRePlay);
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if (dynamic_pointer_cast<RtspMediaSource>(_pMediaSrc)) {
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//rtsp拉流代理
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if (resetWhenRePlay || !_muxer) {
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_muxer.reset(new MultiMediaSourceMuxer(_vhost, _app, _stream_id, getDuration(), false, _enable_rtmp, _enable_hls, _enable_mp4));
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}
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} else if (dynamic_pointer_cast<RtmpMediaSource>(_pMediaSrc)) {
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//rtmp拉流代理
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if (resetWhenRePlay || !_muxer) {
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_muxer.reset(new MultiMediaSourceMuxer(_vhost, _app, _stream_id, getDuration(), _enable_rtsp, false, _enable_hls, _enable_mp4));
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}
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} else {
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//其他拉流代理
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if (resetWhenRePlay || !_muxer) {
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_muxer.reset(new MultiMediaSourceMuxer(_vhost, _app, _stream_id, getDuration(), _enable_rtsp, _enable_rtmp, _enable_hls, _enable_mp4));
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}
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}
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_muxer->setMediaListener(shared_from_this());
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auto videoTrack = getTrack(TrackVideo, false);
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if (videoTrack) {
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//添加视频
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_muxer->addTrack(videoTrack);
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//视频数据写入_mediaMuxer
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videoTrack->addDelegate(_muxer);
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}
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//是否添加静音音频
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GET_CONFIG(bool, addMuteAudio, General::kAddMuteAudio);
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auto audioTrack = getTrack(TrackAudio, false);
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if (audioTrack) {
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//添加音频
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_muxer->addTrack(audioTrack);
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//音频数据写入_mediaMuxer
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audioTrack->addDelegate(_muxer);
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} else if (addMuteAudio && videoTrack) {
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//没有音频信息，产生一个静音音频
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MuteAudioMaker::Ptr audioMaker = std::make_shared<MuteAudioMaker>();
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//videoTrack把数据写入MuteAudioMaker
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videoTrack->addDelegate(audioMaker);
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//添加一个静音Track至_mediaMuxer
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_muxer->addTrack(std::make_shared<AACTrack>());
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//MuteAudioMaker生成静音音频然后写入_mediaMuxer；
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audioMaker->addDelegate(_muxer);
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}
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//添加完毕所有track，防止单track情况下最大等待3秒
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_muxer->addTrackCompleted();
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if (_pMediaSrc) {
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_pMediaSrc->setTrackSource(_muxer);
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}
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}
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} /* namespace mediakit */
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