const QString GstRecorder::recordLocally() {
QGst::BinPtr videoSrcBin = createVideoSrcBin();
//QGst::BinPtr audioSrcBin = createAudioSrcBin();
//QGst::ElementPtr mux = QGst::ElementFactory::make("mp4mux");
QGst::BinPtr mux = createVideoMuxBin();
QGst::ElementPtr sink = QGst::ElementFactory::make("filesink");
QString currentTime =
QDateTime::currentDateTime().toString("yyyy_MM_dd_hh_mm_ss");
const QString filename = QDir::current().absoluteFilePath(
currentTime + "-device-" + QString::number(deviceNumber) + ".mp4");
qDebug() << "GstRecorder: writing to:" << filename;
sink->setProperty("location", filename);
if (!videoSrcBin || !sink) {
qDebug() << "Error. One or more elements could not be created.";
return "";
}
if (m_pipeline) {
qDebug() << "Another Recording was not started. Already one in progress";
return "";
}
m_pipeline = QGst::Pipeline::create();
//m_pipeline->add(videoSrcBin, audioSrcBin, mux, sink);
m_pipeline->add(videoSrcBin, mux, sink);
//QGst::PadPtr videoPad = mux->getRequestPad("video_%u");
//QGst::PadPtr audioPad = mux->getRequestPad("audio_%u");
//videoSrcBin->getStaticPad("src")->link(videoPad);
//audioSrcBin->getStaticPad("src")->link(audioPad);
videoSrcBin->link(mux);
mux->link(sink);
m_pipeline->bus()->addSignalWatch();
QGlib::connect(m_pipeline->bus(), "message", this,
&GstRecorder::onBusMessage);
m_pipeline->setState(QGst::StatePlaying);
return filename;
}
void GstRecorder::createRtpSink(quint16 port, QString address) {
QGst::BinPtr videoSrcBin = createVideoSrcBin();
QGst::ElementPtr rtpbin = QGst::ElementFactory::make("rtpbin");
QGst::ElementPtr h264pay = QGst::ElementFactory::make("rtph264pay");
if (!videoSrcBin || !rtpbin) {
qDebug() << "Error. One or more elements could not be created.";
return;
}
m_pipeline = QGst::Pipeline::create();
m_pipeline->add(videoSrcBin, h264pay);
videoSrcBin->link(h264pay);
m_pipeline->add(rtpbin);
// send_rtp_sink_0 is needed as a parameter for rtpbin for the configuration
h264pay->link(rtpbin, "send_rtp_sink_0");
QGst::ElementPtr RtpUdpSink = QGst::ElementFactory::make("udpsink");
RtpUdpSink->setProperty("port", (int)port);
RtpUdpSink->setProperty("host", address);
if (!RtpUdpSink) {
qFatal("Failed to create udpsink. Aborting...");
}
m_pipeline->add(RtpUdpSink);
rtpbin->link("send_rtp_src_0", RtpUdpSink);
QGst::ElementPtr RtcpUdpSink = QGst::ElementFactory::make("udpsink");
RtcpUdpSink->setProperty("port", port + 1);
RtcpUdpSink->setProperty("host", address);
RtcpUdpSink->setProperty("sync", false); // needed for real-time
RtcpUdpSink->setProperty("async", false);
m_pipeline->add(RtcpUdpSink);
rtpbin->link("send_rtcp_src_0", RtcpUdpSink);
QGst::ElementPtr RtcpUdpSrc = QGst::ElementFactory::make("udpsrc");
RtcpUdpSrc->setProperty("port", port + 2);
m_pipeline->add(RtcpUdpSrc);
RtcpUdpSrc->link(rtpbin, "recv_rtcp_sink_0");
// watch the bus
m_pipeline->bus()->addSignalWatch();
QGlib::connect(m_pipeline->bus(), "message", this,
&GstRecorder::onBusMessage);
qDebug() << "Streaming to RTP";
m_pipeline->setState(QGst::StatePlaying);
}
