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ZLMediaKit
Commit fdfde17e by ziyue
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Demuxer/Player: 修改解复用与播放器底层逻辑，确保触发播放成功回调时不丢帧

parent 37fdb8d1
正在显示 包含 251 行增加 和 230 行删除
src/Common/MediaSink.cpp
......@@ -181,7 +181,7 @@ void MediaSink::emitAllTrackReady() {
void MediaSink::onAllTrackReady_l() {
//是否添加静音音频
GET_CONFIG(bool, addMuteAudio, General::kAddMuteAudio);
if (addMuteAudio && !_track_map[TrackAudio]) {
if (addMuteAudio && _track_map.find(TrackAudio) == _track_map.end()) {
addMuteAudioTrack();
}
onAllTrackReady();
......@@ -253,11 +253,12 @@ bool MuteAudioMaker::inputFrame(const Frame::Ptr &frame) {
}
bool MediaSink::addMuteAudioTrack() {
if (getTrack(TrackAudio, false)) {
if (_track_map.find(TrackAudio) != _track_map.end()) {
WarnL << "audio track already existed";
return false;
}
if (addTrack(std::make_shared<AACTrack>())) {
if (MediaSink::addTrack(std::make_shared<AACTrack>(makeAacConfig(MUTE_ADTS_DATA, ADTS_HEADER_LEN)))) {
_mute_audio_maker = std::make_shared<MuteAudioMaker>();
_mute_audio_maker->addDelegate(std::make_shared<FrameWriterInterfaceHelper>([this](const Frame::Ptr &frame) {
return inputFrame(frame);
......
src/Common/config.cpp
......@@ -305,7 +305,6 @@ const string kRtspPwdIsMD5 = "rtsp_pwd_md5";
const string kTimeoutMS = "protocol_timeout_ms";
const string kMediaTimeoutMS = "media_timeout_ms";
const string kBeatIntervalMS = "beat_interval_ms";
const string kMaxAnalysisMS = "max_analysis_ms";
const string kBenchmarkMode = "benchmark_mode";
}
......
src/Common/config.h
......@@ -329,8 +329,6 @@ extern const string kTimeoutMS;
extern const string kMediaTimeoutMS;
//rtsp/rtmp心跳时间,默认5000毫秒
extern const string kBeatIntervalMS;
//Track编码格式探测最大时间，单位毫秒，默认2000
extern const string kMaxAnalysisMS;
//是否为性能测试模式，性能测试模式开启后不会解析rtp或rtmp包
extern const string kBenchmarkMode;
}
......
src/Player/MediaPlayer.cpp
......@@ -20,9 +20,6 @@ MediaPlayer::MediaPlayer(const EventPoller::Ptr &poller) {
_poller = poller ? poller : EventPollerPool::Instance().getPoller();
}
MediaPlayer::~MediaPlayer() {
}
static void setOnCreateSocket_l(const std::shared_ptr<PlayerBase> &delegate, const Socket::onCreateSocket &cb){
auto helper = dynamic_pointer_cast<SocketHelper>(delegate);
if (helper) {
......@@ -41,10 +38,10 @@ void MediaPlayer::play(const string &url) {
_delegate = PlayerBase::createPlayer(_poller, url);
assert(_delegate);
setOnCreateSocket_l(_delegate, _on_create_socket);
_delegate->setOnShutdown(_shutdownCB);
_delegate->setOnPlayResult(_playResultCB);
_delegate->setOnResume(_resumeCB);
_delegate->setMediaSource(_pMediaSrc);
_delegate->setOnShutdown(_on_shutdown);
_delegate->setOnPlayResult(_on_play_result);
_delegate->setOnResume(_on_resume);
_delegate->setMediaSource(_media_src);
_delegate->mINI::operator=(*this);
_delegate->play(url);
}
......@@ -58,23 +55,4 @@ void MediaPlayer::setOnCreateSocket(Socket::onCreateSocket cb){
_on_create_socket = std::move(cb);
}
void MediaPlayer::pause(bool pause) {
if (_delegate) {
_delegate->pause(pause);
}
}
void MediaPlayer::speed(float speed) {
if (_delegate) {
_delegate->speed(speed);
}
}
void MediaPlayer::teardown() {
if (_delegate) {
_delegate->teardown();
}
}
} /* namespace mediakit */
src/Player/MediaPlayer.h
......@@ -21,16 +21,14 @@ using namespace toolkit;
namespace mediakit {
class MediaPlayer : public PlayerImp<PlayerBase,PlayerBase> {
class MediaPlayer : public PlayerImp<PlayerBase, PlayerBase> {
public:
typedef std::shared_ptr<MediaPlayer> Ptr;
using Ptr = std::shared_ptr<MediaPlayer>;
MediaPlayer(const EventPoller::Ptr &poller = nullptr);
virtual ~MediaPlayer();
~MediaPlayer() override = default;
void play(const string &url) override;
void pause(bool pause) override;
void speed(float speed) override;
void teardown() override;
EventPoller::Ptr getPoller();
void setOnCreateSocket(Socket::onCreateSocket cb);
......
src/Player/PlayerBase.cpp
......@@ -13,14 +13,15 @@
#include "Rtsp/RtspPlayerImp.h"
#include "Rtmp/RtmpPlayerImp.h"
#include "Http/HlsPlayer.h"
using namespace toolkit;
namespace mediakit {
PlayerBase::Ptr PlayerBase::createPlayer(const EventPoller::Ptr &poller,const string &url_in) {
static auto releasePlayer = [](PlayerBase *ptr){
onceToken token(nullptr,[&](){
delete ptr;
PlayerBase::Ptr PlayerBase::createPlayer(const EventPoller::Ptr &poller, const string &url_in) {
static auto releasePlayer = [](PlayerBase *ptr) {
onceToken token(nullptr, [&]() {
delete ptr;
});
ptr->teardown();
};
......@@ -32,98 +33,91 @@ PlayerBase::Ptr PlayerBase::createPlayer(const EventPoller::Ptr &poller,const st
url = url.substr(0, pos);
}
if (strcasecmp("rtsps",prefix.data()) == 0) {
return PlayerBase::Ptr(new TcpClientWithSSL<RtspPlayerImp>(poller),releasePlayer);
if (strcasecmp("rtsps", prefix.data()) == 0) {
return PlayerBase::Ptr(new TcpClientWithSSL<RtspPlayerImp>(poller), releasePlayer);
}
if (strcasecmp("rtsp",prefix.data()) == 0) {
return PlayerBase::Ptr(new RtspPlayerImp(poller),releasePlayer);
if (strcasecmp("rtsp", prefix.data()) == 0) {
return PlayerBase::Ptr(new RtspPlayerImp(poller), releasePlayer);
}
if (strcasecmp("rtmps",prefix.data()) == 0) {
return PlayerBase::Ptr(new TcpClientWithSSL<RtmpPlayerImp>(poller),releasePlayer);
if (strcasecmp("rtmps", prefix.data()) == 0) {
return PlayerBase::Ptr(new TcpClientWithSSL<RtmpPlayerImp>(poller), releasePlayer);
}
if (strcasecmp("rtmp",prefix.data()) == 0) {
return PlayerBase::Ptr(new RtmpPlayerImp(poller),releasePlayer);
if (strcasecmp("rtmp", prefix.data()) == 0) {
return PlayerBase::Ptr(new RtmpPlayerImp(poller), releasePlayer);
}
if ((strcasecmp("http",prefix.data()) == 0 || strcasecmp("https",prefix.data()) == 0) && end_with(url, ".m3u8")) {
return PlayerBase::Ptr(new HlsPlayerImp(poller),releasePlayer);
if ((strcasecmp("http", prefix.data()) == 0 || strcasecmp("https", prefix.data()) == 0) && end_with(url, ".m3u8")) {
return PlayerBase::Ptr(new HlsPlayerImp(poller), releasePlayer);
}
return PlayerBase::Ptr(new RtspPlayerImp(poller),releasePlayer);
return PlayerBase::Ptr(new RtspPlayerImp(poller), releasePlayer);
}
PlayerBase::PlayerBase() {
this->mINI::operator[](kTimeoutMS) = 10000;
this->mINI::operator[](kMediaTimeoutMS) = 5000;
this->mINI::operator[](kBeatIntervalMS) = 5000;
this->mINI::operator[](kMaxAnalysisMS) = 5000;
}
///////////////////////////Demuxer//////////////////////////////
bool Demuxer::isInited(int analysisMs) {
if(analysisMs && _ticker.createdTime() > (uint64_t)analysisMs){
//analysisMs毫秒后强制初始化完毕
return true;
}
if (_videoTrack && !_videoTrack->ready()) {
//视频未准备好
return false;
}
if (_audioTrack && !_audioTrack->ready()) {
//音频未准备好
return false;
}
return true;
}
vector<Track::Ptr> Demuxer::getTracks(bool trackReady) const {
vector<Track::Ptr> ret;
if(_videoTrack){
if(trackReady){
if(_videoTrack->ready()){
ret.emplace_back(_videoTrack);
}
}else{
ret.emplace_back(_videoTrack);
}
}
if(_audioTrack){
if(trackReady){
if(_audioTrack->ready()){
ret.emplace_back(_audioTrack);
}
}else{
ret.emplace_back(_audioTrack);
}
bool Demuxer::addTrack(const Track::Ptr &track) {
auto ret = MediaSink::addTrack(track);
if (ret) {
track->addDelegate(std::make_shared<FrameWriterInterfaceHelper>([this](const Frame::Ptr &frame) {
return inputFrame(frame);
}));
}
return ret;
}
float Demuxer::getDuration() const {
return _fDuration;
void Demuxer::setTrackListener(TrackListener *listener) {
_listener = listener;
}
bool Demuxer::addTrack(const Track::Ptr &track){
return _listener ? _listener->addTrack(track) : false;
bool Demuxer::onTrackReady(const Track::Ptr &track) {
_tracks[track->getTrackType()] = track->clone();
return true;
}
void Demuxer::addTrackCompleted(){
if(_listener){
_listener->addTrackCompleted();
void Demuxer::onAllTrackReady() {
if (!_listener) {
return;
}
for (auto &track : _tracks) {
if (track) {
_listener->addTrack(track);
}
}
_listener->addTrackCompleted();
}
bool Demuxer::onTrackFrame(const Frame::Ptr &frame) {
return _tracks[frame->getTrackType()]->inputFrame(frame);
}
void Demuxer::resetTracks() {
MediaSink::resetTracks();
for (auto &track : _tracks) {
track = nullptr;
}
if (_listener) {
_listener->resetTracks();
}
}
void Demuxer::setTrackListener(TrackListener *listener) {
_listener = listener;
vector<Track::Ptr> Demuxer::getTracks(bool ready) const {
vector<Track::Ptr> ret;
for (auto &track : _tracks) {
if (!track || (ready && !track->ready())) {
continue;
}
ret.emplace_back(track);
}
return ret;
}
} /* namespace mediakit */
src/Player/PlayerProxy.cpp
......@@ -160,7 +160,7 @@ bool PlayerProxy::close(MediaSource &sender, bool force) {
}
int PlayerProxy::totalReaderCount() {
return (_muxer ? _muxer->totalReaderCount() : 0) + (_pMediaSrc ? _pMediaSrc->readerCount() : 0);
return (_muxer ? _muxer->totalReaderCount() : 0) + (_media_src ? _media_src->readerCount() : 0);
}
int PlayerProxy::totalReaderCount(MediaSource &sender) {
......@@ -181,12 +181,12 @@ std::shared_ptr<SockInfo> PlayerProxy::getOriginSock(MediaSource &sender) const
void PlayerProxy::onPlaySuccess() {
GET_CONFIG(bool, resetWhenRePlay, General::kResetWhenRePlay);
if (dynamic_pointer_cast<RtspMediaSource>(_pMediaSrc)) {
if (dynamic_pointer_cast<RtspMediaSource>(_media_src)) {
//rtsp拉流代理
if (resetWhenRePlay || !_muxer) {
_muxer.reset(new MultiMediaSourceMuxer(_vhost, _app, _stream_id, getDuration(), false, true, _enable_hls, _enable_mp4));
}
} else if (dynamic_pointer_cast<RtmpMediaSource>(_pMediaSrc)) {
} else if (dynamic_pointer_cast<RtmpMediaSource>(_media_src)) {
//rtmp拉流代理
if (resetWhenRePlay || !_muxer) {
_muxer.reset(new MultiMediaSourceMuxer(_vhost, _app, _stream_id, getDuration(), true, false, _enable_hls, _enable_mp4));
......@@ -218,9 +218,9 @@ void PlayerProxy::onPlaySuccess() {
//添加完毕所有track，防止单track情况下最大等待3秒
_muxer->addTrackCompleted();
if (_pMediaSrc) {
if (_media_src) {
//让_muxer对象拦截一部分事件(比如说录像相关事件)
_pMediaSrc->setListener(_muxer);
_media_src->setListener(_muxer);
}
}
......
src/Rtmp/RtmpDemuxer.cpp
......@@ -25,7 +25,7 @@ bool RtmpDemuxer::loadMetaData(const AMFValue &val){
const AMFValue *videocodecid = nullptr;
val.object_for_each([&](const string &key, const AMFValue &val) {
if (key == "duration") {
_fDuration = (float)val.as_number();
_duration = (float)val.as_number();
return;
}
if (key == "audiosamplerate") {
......@@ -80,6 +80,10 @@ bool RtmpDemuxer::loadMetaData(const AMFValue &val){
return ret;
}
float RtmpDemuxer::getDuration() const {
return _duration;
}
void RtmpDemuxer::inputRtmp(const RtmpPacket::Ptr &pkt) {
switch (pkt->type_id) {
case MSG_VIDEO: {
......@@ -111,41 +115,42 @@ void RtmpDemuxer::inputRtmp(const RtmpPacket::Ptr &pkt) {
void RtmpDemuxer::makeVideoTrack(const AMFValue &videoCodec, int bit_rate) {
//生成Track对象
_videoTrack = dynamic_pointer_cast<VideoTrack>(Factory::getVideoTrackByAmf(videoCodec));
if (_videoTrack) {
_videoTrack->setBitRate(bit_rate);
//生成rtmpCodec对象以便解码rtmp
_video_rtmp_decoder = Factory::getRtmpCodecByTrack(_videoTrack, false);
if (_video_rtmp_decoder) {
//设置rtmp解码器代理，生成的frame写入该Track
_video_rtmp_decoder->addDelegate(_videoTrack);
addTrack(_videoTrack);
_try_get_video_track = true;
} else {
//找不到相应的rtmp解码器，该track无效
_videoTrack.reset();
}
_video_track = dynamic_pointer_cast<VideoTrack>(Factory::getVideoTrackByAmf(videoCodec));
if (!_video_track) {
return;
}
//生成rtmpCodec对象以便解码rtmp
_video_rtmp_decoder = Factory::getRtmpCodecByTrack(_video_track, false);
if (!_video_rtmp_decoder) {
//找不到相应的rtmp解码器，该track无效
_video_track.reset();
return;
}
_video_track->setBitRate(bit_rate);
//设置rtmp解码器代理，生成的frame写入该Track
_video_rtmp_decoder->addDelegate(_video_track);
addTrack(_video_track);
_try_get_video_track = true;
}
void RtmpDemuxer::makeAudioTrack(const AMFValue &audioCodec,int sample_rate, int channels, int sample_bit, int bit_rate) {
//生成Track对象
_audioTrack = dynamic_pointer_cast<AudioTrack>(Factory::getAudioTrackByAmf(audioCodec, sample_rate, channels, sample_bit));
if (_audioTrack) {
_audioTrack->setBitRate(bit_rate);
//生成rtmpCodec对象以便解码rtmp
_audio_rtmp_decoder = Factory::getRtmpCodecByTrack(_audioTrack, false);
if (_audio_rtmp_decoder) {
//设置rtmp解码器代理，生成的frame写入该Track
_audio_rtmp_decoder->addDelegate(_audioTrack);
addTrack(_audioTrack);
_try_get_audio_track = true;
} else {
//找不到相应的rtmp解码器，该track无效
_audioTrack.reset();
}
_audio_track = dynamic_pointer_cast<AudioTrack>(Factory::getAudioTrackByAmf(audioCodec, sample_rate, channels, sample_bit));
if (!_audio_track) {
return;
}
//生成rtmpCodec对象以便解码rtmp
_audio_rtmp_decoder = Factory::getRtmpCodecByTrack(_audio_track, false);
if (!_audio_rtmp_decoder) {
//找不到相应的rtmp解码器，该track无效
_audio_track.reset();
return;
}
_audio_track->setBitRate(bit_rate);
//设置rtmp解码器代理，生成的frame写入该Track
_audio_rtmp_decoder->addDelegate(_audio_track);
addTrack(_audio_track);
_try_get_audio_track = true;
}
} /* namespace mediakit */
} /* namespace mediakit */
\ No newline at end of file
src/Rtmp/RtmpDemuxer.h
......@@ -23,9 +23,9 @@ using namespace toolkit;
namespace mediakit {
class RtmpDemuxer : public Demuxer{
class RtmpDemuxer : public Demuxer {
public:
typedef std::shared_ptr<RtmpDemuxer> Ptr;
using Ptr = std::shared_ptr<RtmpDemuxer>;
RtmpDemuxer() = default;
~RtmpDemuxer() override = default;
......@@ -38,6 +38,12 @@ public:
*/
void inputRtmp(const RtmpPacket::Ptr &pkt);
/**
* 获取节目总时长
* @return 节目总时长,单位秒
*/
float getDuration() const;
private:
void makeVideoTrack(const AMFValue &val, int bit_rate);
void makeAudioTrack(const AMFValue &val, int sample_rate, int channels, int sample_bit, int bit_rate);
......@@ -45,6 +51,9 @@ private:
private:
bool _try_get_video_track = false;
bool _try_get_audio_track = false;
float _duration = 0;
AudioTrack::Ptr _audio_track;
VideoTrack::Ptr _video_track;
RtmpCodec::Ptr _audio_rtmp_decoder;
RtmpCodec::Ptr _video_rtmp_decoder;
};
......
src/Rtmp/RtmpPlayerImp.h
......@@ -24,11 +24,12 @@ using namespace mediakit::Client;
namespace mediakit {
class RtmpPlayerImp: public PlayerImp<RtmpPlayer,RtmpDemuxer> {
class RtmpPlayerImp: public PlayerImp<RtmpPlayer,PlayerBase>, private TrackListener {
public:
typedef std::shared_ptr<RtmpPlayerImp> Ptr;
using Ptr = std::shared_ptr<RtmpPlayerImp>;
using Super = PlayerImp<RtmpPlayer,PlayerBase>;
RtmpPlayerImp(const EventPoller::Ptr &poller) : PlayerImp<RtmpPlayer, RtmpDemuxer>(poller) {};
RtmpPlayerImp(const EventPoller::Ptr &poller) : Super(poller) {};
~RtmpPlayerImp() override {
DebugL << endl;
......@@ -50,43 +51,60 @@ public:
uint32_t pos = MAX(float(0), MIN(seekPos, getDuration())) * 1000;
seekToMilliSecond(pos);
}
void play(const string &strUrl) override {
PlayerImp<RtmpPlayer, RtmpDemuxer>::play(strUrl);
float getDuration() const override {
return _demuxer ? _demuxer->getDuration() : 0;
}
vector<Track::Ptr> getTracks(bool ready = true) const override {
return _demuxer ? _demuxer->getTracks(ready) : Super::getTracks(ready);
}
private:
//派生类回调函数
bool onCheckMeta(const AMFValue &val) override {
_rtmp_src = dynamic_pointer_cast<RtmpMediaSource>(_pMediaSrc);
if (_rtmp_src) {
_rtmp_src->setMetaData(val);
_set_meta_data = true;
}
_delegate.reset(new RtmpDemuxer);
_delegate->loadMetaData(val);
onCheckMeta_l(val);
return true;
}
void onMediaData(RtmpPacket::Ptr chunkData) override {
if (!_delegate) {
//这个流没有metadata
_delegate.reset(new RtmpDemuxer());
if (!_demuxer) {
//有些rtmp流没metadata
onCheckMeta_l(TitleMeta().getMetadata());
}
_delegate->inputRtmp(chunkData);
_demuxer->inputRtmp(chunkData);
if (_rtmp_src) {
if (!_set_meta_data && !chunkData->isCfgFrame()) {
_set_meta_data = true;
_rtmp_src->setMetaData(TitleMeta().getMetadata());
}
_rtmp_src->onWrite(std::move(chunkData));
}
}
void onPlayResult(const SockException &ex) override {
if (ex) {
Super::onPlayResult(ex);
return;
}
}
bool addTrack(const Track::Ptr &track) override { return true; }
void addTrackCompleted() override {
Super::onPlayResult(SockException(Err_success, "play success"));
}
private:
void onCheckMeta_l(const AMFValue &val) {
_rtmp_src = dynamic_pointer_cast<RtmpMediaSource>(_media_src);
if (_rtmp_src) {
_rtmp_src->setMetaData(val);
}
_demuxer = std::make_shared<RtmpDemuxer>();
_demuxer->setTrackListener(this);
_demuxer->loadMetaData(val);
}
private:
RtmpDemuxer::Ptr _demuxer;
RtmpMediaSource::Ptr _rtmp_src;
bool _set_meta_data = false;
};
......
src/Rtsp/RtspDemuxer.cpp
......@@ -18,13 +18,13 @@ using namespace std;
namespace mediakit {
void RtspDemuxer::loadSdp(const string &sdp){
void RtspDemuxer::loadSdp(const string &sdp) {
loadSdp(SdpParser(sdp));
}
void RtspDemuxer::loadSdp(const SdpParser &attr) {
auto tracks = attr.getAvailableTrack();
for (auto &track : tracks){
for (auto &track : tracks) {
switch (track->_type) {
case TrackVideo: {
makeVideoTrack(track);
......@@ -42,31 +42,35 @@ void RtspDemuxer::loadSdp(const SdpParser &attr) {
addTrackCompleted();
auto titleTrack = attr.getTrack(TrackTitle);
if(titleTrack){
_fDuration = titleTrack->_duration;
if (titleTrack) {
_duration = titleTrack->_duration;
}
}
bool RtspDemuxer::inputRtp(const RtpPacket::Ptr & rtp) {
float RtspDemuxer::getDuration() const {
return _duration;
}
bool RtspDemuxer::inputRtp(const RtpPacket::Ptr &rtp) {
switch (rtp->type) {
case TrackVideo:{
if(_videoRtpDecoder){
return _videoRtpDecoder->inputRtp(rtp, true);
case TrackVideo: {
if (_videoRtpDecoder) {
return _videoRtpDecoder->inputRtp(rtp, true);
}
return false;
}
return false;
}
case TrackAudio:{
if(_audioRtpDecoder){
_audioRtpDecoder->inputRtp(rtp, false);
case TrackAudio: {
if (_audioRtpDecoder) {
_audioRtpDecoder->inputRtp(rtp, false);
return false;
}
return false;
}
return false;
}
default:
return false;
default: return false;
}
}
static void setBitRate(const SdpTrack::Ptr &sdp, const Track::Ptr &track){
static void setBitRate(const SdpTrack::Ptr &sdp, const Track::Ptr &track) {
if (!sdp->_b.empty()) {
int data_rate = 0;
sscanf(sdp->_b.data(), "AS:%d", &data_rate);
......@@ -78,38 +82,40 @@ static void setBitRate(const SdpTrack::Ptr &sdp, const Track::Ptr &track){
void RtspDemuxer::makeAudioTrack(const SdpTrack::Ptr &audio) {
//生成Track对象
_audioTrack = dynamic_pointer_cast<AudioTrack>(Factory::getTrackBySdp(audio));
if(_audioTrack){
setBitRate(audio, _audioTrack);
//生成RtpCodec对象以便解码rtp
_audioRtpDecoder = Factory::getRtpDecoderByTrack(_audioTrack);
if(_audioRtpDecoder){
//设置rtp解码器代理，生成的frame写入该Track
_audioRtpDecoder->addDelegate(_audioTrack);
addTrack(_audioTrack);
} else{
//找不到相应的rtp解码器，该track无效
_audioTrack.reset();
}
_audio_track = dynamic_pointer_cast<AudioTrack>(Factory::getTrackBySdp(audio));
if (!_audio_track) {
return;
}
setBitRate(audio, _audio_track);
//生成RtpCodec对象以便解码rtp
_audioRtpDecoder = Factory::getRtpDecoderByTrack(_audio_track);
if (!_audioRtpDecoder) {
//找不到相应的rtp解码器，该track无效
_audio_track.reset();
return;
}
//设置rtp解码器代理，生成的frame写入该Track
_audioRtpDecoder->addDelegate(_audio_track);
addTrack(_audio_track);
}
void RtspDemuxer::makeVideoTrack(const SdpTrack::Ptr &video) {
//生成Track对象
_videoTrack = dynamic_pointer_cast<VideoTrack>(Factory::getTrackBySdp(video));
if(_videoTrack){
setBitRate(video, _videoTrack);
//生成RtpCodec对象以便解码rtp
_videoRtpDecoder = Factory::getRtpDecoderByTrack(_videoTrack);
if(_videoRtpDecoder){
//设置rtp解码器代理，生成的frame写入该Track
_videoRtpDecoder->addDelegate(_videoTrack);
addTrack(_videoTrack);
}else{
//找不到相应的rtp解码器，该track无效
_videoTrack.reset();
}
_video_track = dynamic_pointer_cast<VideoTrack>(Factory::getTrackBySdp(video));
if (!_video_track) {
return;
}
setBitRate(video, _video_track);
//生成RtpCodec对象以便解码rtp
_videoRtpDecoder = Factory::getRtpDecoderByTrack(_video_track);
if (!_videoRtpDecoder) {
//找不到相应的rtp解码器，该track无效
_video_track.reset();
return;
}
//设置rtp解码器代理，生成的frame写入该Track
_videoRtpDecoder->addDelegate(_video_track);
addTrack(_video_track);
}
} /* namespace mediakit */
src/Rtsp/RtspDemuxer.h
......@@ -21,7 +21,7 @@ using namespace toolkit;
namespace mediakit {
class RtspDemuxer : public Demuxer{
class RtspDemuxer : public Demuxer {
public:
typedef std::shared_ptr<RtspDemuxer> Ptr;
RtspDemuxer() = default;
......@@ -38,11 +38,22 @@ public:
* @return true 代表是i帧第一个rtp包
*/
bool inputRtp(const RtpPacket::Ptr &rtp);
/**
* 获取节目总时长
* @return 节目总时长,单位秒
*/
float getDuration() const;
private:
void makeAudioTrack(const SdpTrack::Ptr &audio);
void makeVideoTrack(const SdpTrack::Ptr &video);
void loadSdp(const SdpParser &parser);
private:
float _duration = 0;
AudioTrack::Ptr _audio_track;
VideoTrack::Ptr _video_track;
RtpCodec::Ptr _audioRtpDecoder;
RtpCodec::Ptr _videoRtpDecoder;
};
......
src/Rtsp/RtspPlayerImp.h
......@@ -25,12 +25,14 @@ using namespace toolkit;
namespace mediakit {
class RtspPlayerImp : public PlayerImp<RtspPlayer,RtspDemuxer> {
class RtspPlayerImp : public PlayerImp<RtspPlayer, PlayerBase> ,private TrackListener {
public:
typedef std::shared_ptr<RtspPlayerImp> Ptr;
using Ptr = std::shared_ptr<RtspPlayerImp>;
using Super = PlayerImp<RtspPlayer, PlayerBase>;
RtspPlayerImp(const EventPoller::Ptr &poller) : PlayerImp<RtspPlayer, RtspDemuxer>(poller) {}
~RtspPlayerImp() override{
RtspPlayerImp(const EventPoller::Ptr &poller) : Super(poller) {}
~RtspPlayerImp() override {
DebugL << endl;
}
......@@ -39,7 +41,6 @@ public:
return getProgressMilliSecond() / (getDuration() * 1000);
}
return PlayerBase::getProgress();
}
uint32_t getProgressPos() const override {
......@@ -55,29 +56,33 @@ public:
}
void seekTo(uint32_t seekPos) override {
uint32_t pos = MAX(float(0), MIN(seekPos, getDuration()))*1000;
uint32_t pos = MAX(float(0), MIN(seekPos, getDuration())) * 1000;
seekToMilliSecond(pos);
}
float getDuration() const override {
return _demuxer ? _demuxer->getDuration() : 0;
}
vector<Track::Ptr> getTracks(bool ready = true) const override {
return _demuxer ? _demuxer->getTracks(ready) : Super::getTracks(ready);
}
private:
//派生类回调函数
bool onCheckSDP(const string &sdp) override {
_rtsp_media_src = dynamic_pointer_cast<RtspMediaSource>(_pMediaSrc);
_rtsp_media_src = dynamic_pointer_cast<RtspMediaSource>(_media_src);
if (_rtsp_media_src) {
_rtsp_media_src->setSdp(sdp);
}
_delegate.reset(new RtspDemuxer);
_delegate->loadSdp(sdp);
_demuxer = std::make_shared<RtspDemuxer>();
_demuxer->setTrackListener(this);
_demuxer->loadSdp(sdp);
return true;
}
void onRecvRTP(RtpPacket::Ptr rtp, const SdpTrack::Ptr &track) override {
_delegate->inputRtp(rtp);
if (_max_analysis_ms && _delegate->isInited(_max_analysis_ms)) {
PlayerImp<RtspPlayer, RtspDemuxer>::onPlayResult(SockException(Err_success, "play rtsp success"));
_max_analysis_ms = 0;
}
_demuxer->inputRtp(rtp);
if (_rtsp_media_src) {
// rtsp直接代理是无法判断该rtp是否是I帧，所以GOP缓存基本是无效的
// 为了减少内存使用，那么我们设置为一直关键帧以便清空GOP缓存
......@@ -85,23 +90,21 @@ private:
}
}
//在RtspPlayer中触发onPlayResult事件只是代表收到play回复了，
//并不代表所有track初始化成功了(这跟rtmp播放器不一样)
//如果sdp里面信息不完整，只能尝试延后从rtp中恢复关键信息并初始化track
//如果超过这个时间还未获取成功，那么会强制触发onPlayResult事件(虽然此时有些track还未初始化成功)
void onPlayResult(const SockException &ex) override {
//isInited判断条件：无超时
if (ex || _delegate->isInited(0)) {
//已经初始化成功，说明sdp里面有完善的信息
PlayerImp<RtspPlayer, RtspDemuxer>::onPlayResult(ex);
} else {
//还没初始化成功，说明sdp里面信息不完善，还有一些track未初始化成功
_max_analysis_ms = (*this)[Client::kMaxAnalysisMS];
if (ex) {
Super::onPlayResult(ex);
return;
}
}
bool addTrack(const Track::Ptr &track) override { return true; }
void addTrackCompleted() override {
Super::onPlayResult(SockException(Err_success, "play success"));
}
private:
int _max_analysis_ms = 0;
RtspDemuxer::Ptr _demuxer;
RtspMediaSource::Ptr _rtsp_media_src;
};
......
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