zoneminder/src/zm_rtsp_server_thread.cpp

238 lines
7.3 KiB
C++

#include "zm_rtsp_server_thread.h"
#include "zm_config.h"
#include "zm_logger.h"
#include "zm_rtsp_server_adts_fifo_source.h"
#include "zm_rtsp_server_adts_source.h"
#include "zm_rtsp_server_h264_fifo_source.h"
#include "zm_rtsp_server_h264_device_source.h"
#include "zm_rtsp_server_unicast_server_media_subsession.h"
#if HAVE_RTSP_SERVER
#include <StreamReplicator.hh>
RTSPServerThread::RTSPServerThread(int port) :
terminate_(false), scheduler_watch_var_(0)
{
//unsigned short rtsp_over_http_port = 0;
//const char *realm = "ZoneMinder";
//unsigned int timeout = 65;
OutPacketBuffer::maxSize = 2000000;
scheduler = BasicTaskScheduler::createNew();
env = BasicUsageEnvironment::createNew(*scheduler);
authDB = nullptr;
//authDB = new UserAuthenticationDatabase("ZoneMinder");
//authDB->addUserRecord("username1", "password1"); // replace these with real strings
portNumBits rtspServerPortNum = port;
rtspServer = RTSPServer::createNew(*env, rtspServerPortNum, authDB);
if ( rtspServer == nullptr ) {
Fatal("Failed to create rtspServer at port %d", rtspServerPortNum);
return;
}
const char *prefix = rtspServer->rtspURLPrefix();
delete[] prefix;
thread_ = std::thread(&RTSPServerThread::Run, this);
}
RTSPServerThread::~RTSPServerThread() {
Stop();
if (thread_.joinable())
thread_.join();
if (rtspServer) {
Medium::close(rtspServer);
} // end if rtsp_server
while ( sources.size() ) {
FramedSource *source = sources.front();
sources.pop_front();
Medium::close(source);
}
env->reclaim();
delete scheduler;
}
void RTSPServerThread::Run() {
Debug(1, "RTSPServerThread::Run()");
if (rtspServer)
env->taskScheduler().doEventLoop(&scheduler_watch_var_); // does not return
Debug(1, "RTSPServerThread::done()");
}
void RTSPServerThread::Stop() {
Debug(1, "RTSPServerThread::stop()");
terminate_ = true;
{
std::lock_guard<std::mutex> lck(scheduler_watch_var_mutex_);
scheduler_watch_var_ = 1;
}
for ( std::list<FramedSource *>::iterator it = sources.begin(); it != sources.end(); ++it ) {
(*it)->stopGettingFrames();
}
}
ServerMediaSession *RTSPServerThread::addSession(std::string &streamname) {
ServerMediaSession *sms = ServerMediaSession::createNew(*env, streamname.c_str());
if (sms) {
rtspServer->addServerMediaSession(sms);
char *url = rtspServer->rtspURL(sms);
Debug(1, "url is %s for stream %s", url, streamname.c_str());
delete[] url;
}
return sms;
}
void RTSPServerThread::removeSession(ServerMediaSession *sms) {
rtspServer->removeServerMediaSession(sms);
}
FramedSource *RTSPServerThread::addFifo(
ServerMediaSession *sms,
std::string fifo) {
if (!rtspServer) return nullptr;
int queueSize = 60;
bool repeatConfig = false;
bool muxTS = false;
FramedSource *source = nullptr;
if (!fifo.empty()) {
StreamReplicator* replicator = nullptr;
std::string rtpFormat;
if (std::string::npos != fifo.find("h264")) {
rtpFormat = "video/H264";
source = H264_ZoneMinderFifoSource::createNew(*env, fifo, queueSize, repeatConfig, muxTS);
} else if (
std::string::npos != fifo.find("hevc")
or
std::string::npos != fifo.find("h265")) {
rtpFormat = "video/H265";
source = H265_ZoneMinderFifoSource::createNew(*env, fifo, queueSize, repeatConfig, muxTS);
} else if (std::string::npos != fifo.find("aac")) {
rtpFormat = "audio/AAC";
source = ADTS_ZoneMinderFifoSource::createNew(*env, fifo, queueSize);
Debug(1, "ADTS source %p", source);
} else {
Warning("Unknown format in %s", fifo.c_str());
}
if (source == nullptr) {
Error("Unable to create source");
} else {
replicator = StreamReplicator::createNew(*env, source, false);
}
sources.push_back(source);
if (replicator) {
sms->addSubsession(UnicastServerMediaSubsession::createNew(*env, replicator, rtpFormat));
}
} else {
Debug(1, "Not Adding stream as fifo was empty");
}
return source;
} // end void addFifo
void RTSPServerThread::addStream(std::string &streamname, AVStream *video_stream, AVStream *audio_stream) {
if ( !rtspServer )
return;
int queueSize = 30;
bool repeatConfig = true;
bool muxTS = false;
ServerMediaSession *sms = nullptr;
if ( video_stream ) {
StreamReplicator* videoReplicator = nullptr;
FramedSource *source = nullptr;
std::string rtpFormat = getRtpFormat(
#if LIBAVCODEC_VERSION_CHECK(57, 64, 0, 64, 0)
video_stream->codecpar->codec_id
#else
video_stream->codec->codec_id
#endif
, false);
if ( rtpFormat.empty() ) {
Error("No streaming format");
return;
}
Debug(1, "RTSP: format %s", rtpFormat.c_str());
if ( rtpFormat == "video/H264" ) {
source = H264_ZoneMinderDeviceSource::createNew(*env, monitor_, video_stream, queueSize, repeatConfig, muxTS);
} else if ( rtpFormat == "video/H265" ) {
source = H265_ZoneMinderDeviceSource::createNew(*env, monitor_, video_stream, queueSize, repeatConfig, muxTS);
}
if ( source == nullptr ) {
Error("Unable to create source");
} else {
videoReplicator = StreamReplicator::createNew(*env, source, false);
}
sources.push_back(source);
// Create Unicast Session
if ( videoReplicator ) {
if ( !sms )
sms = ServerMediaSession::createNew(*env, streamname.c_str());
sms->addSubsession(UnicastServerMediaSubsession::createNew(*env, videoReplicator, rtpFormat));
}
}
if ( audio_stream ) {
StreamReplicator* replicator = nullptr;
FramedSource *source = nullptr;
std::string rtpFormat = getRtpFormat(
#if LIBAVCODEC_VERSION_CHECK(57, 64, 0, 64, 0)
audio_stream->codecpar->codec_id
#else
audio_stream->codec->codec_id
#endif
, false);
if ( rtpFormat == "audio/AAC" ) {
source = ADTS_ZoneMinderDeviceSource::createNew(*env, monitor_, audio_stream, queueSize);
Debug(1, "ADTS source %p", source);
}
if ( source ) {
replicator = StreamReplicator::createNew(*env, source, false /* deleteWhenLastReplicaDies */);
sources.push_back(source);
}
if ( replicator ) {
if ( !sms )
sms = ServerMediaSession::createNew(*env, streamname.c_str());
sms->addSubsession(UnicastServerMediaSubsession::createNew(*env, replicator, rtpFormat));
}
} else {
Debug(1, "Not Adding audio stream");
}
if ( sms ) {
rtspServer->addServerMediaSession(sms);
char *url = rtspServer->rtspURL(sms);
Debug(1, "url is %s", url);
delete[] url;
}
} // end void addStream
// -----------------------------------------
// convert V4L2 pix format to RTP mime
// -----------------------------------------
const std::string RTSPServerThread::getRtpFormat(AVCodecID codec_id, bool muxTS) {
if ( muxTS ) {
return "video/MP2T";
} else {
switch ( codec_id ) {
case AV_CODEC_ID_H265 : return "video/H265";
case AV_CODEC_ID_H264 : return "video/H264";
//case PIX_FMT_MJPEG: rtpFormat = "video/JPEG"; break;
//case PIX_FMT_JPEG : rtpFormat = "video/JPEG"; break;
//case AV_PIX_FMT_VP8 : rtpFormat = "video/VP8" ; break;
//case AV_PIX_FMT_VP9 : rtpFormat = "video/VP9" ; break;
case AV_CODEC_ID_AAC : return "audio/AAC";
default: break;
}
}
return "";
}
#endif // HAVE_RTSP_SERVER