JAMediaPlayer::JAMediaPlayer(){
Gst::init();
playbin = Gst::PlayBin2::create();
//playbin.set_property("buffer-size", 50000)
//Video out
video = Gst::Bin::create("jamedia_video_pipeline");
Glib::RefPtr<Gst::Element> convert =
Gst::ElementFactory::create_element("ffmpegcolorspace", "conv");
Glib::RefPtr<Gst::Element> rate =
Gst::ElementFactory::create_element("videorate", "rate");
videobalance = Gst::ElementFactory::create_element(
"videobalance", "videobalance");
gamma = Gst::ElementFactory::create_element("gamma", "gamma");
videoflip = Gst::ElementFactory::create_element("videoflip", "videoflip");
Glib::RefPtr<Gst::XvImageSink> pantalla = Gst::XvImageSink::create();
rate->set_property("max-rate", 30);
pantalla->property_force_aspect_ratio() = true;
pantalla->set_sync(true);
video->add(convert);
video->add(rate);
video->add(videobalance);
video->add(gamma);
video->add(videoflip);
video->add(pantalla);
convert->link(rate);
rate->link(videobalance);
videobalance->link(gamma);
gamma->link(videoflip);
videoflip->link(pantalla);
Glib::RefPtr<Gst::GhostPad> ghost_pad =
Gst::GhostPad::create(convert->get_static_pad("sink"), "sink");
video->add_pad(ghost_pad);
playbin->property_video_sink() = video;
Glib::RefPtr<Gst::Bus> bus = playbin->get_bus();
bus->add_watch(sigc::mem_fun(*this, &JAMediaPlayer::on_bus_message));
//bus->enable_sync_message_emission();
//bus->signal_sync_message().connect(
// sigc::mem_fun(*this, &JAMediaPlayer::on_bus_message_sync));
}
void GstVideoServer::Init()
{
using namespace Gst;
/*
* gst-launch-0.10 -v v4l2src ! ffenc_mpeg4 bitrate=8388608 !\
* rtpmp4vpay mtu=1400 pt=96 ssrc=0 timestamp-offset=0 seqnum-offset=0 send-config=true !\
* udpsink host=127.0.0.1 port=5000
*/
pipeline = Pipeline::create("video-server");
source = ElementFactory::create_element("v4l2src");
encoder = ElementFactory::create_element("ffenc_mpeg4");
rtpenc = ElementFactory::create_element("rtpmp4vpay");
sink = ElementFactory::create_element("udpsink");
if (!pipeline || !source || !encoder || !rtpenc || !sink)
throw exception();
if (!m_DeviceName.empty())
source->set_property("device", m_DeviceName);
//encoder->set_property("bitrate", 58720);
encoder->set_property("bitrate", 8388608);
rtpenc->set_property("mtu", 1400);
rtpenc->set_property("pt", 96);
rtpenc->set_property("ssrc", 0);
rtpenc->set_property("timestamp-offset", 0);
rtpenc->set_property("seqnum-offset", 0);
rtpenc->set_property("send-config", true);
sink->set_property("host", m_HostIp);
sink->set_property("port", m_Port);
Glib::RefPtr<Gst::Bus> bus = pipeline->get_bus();
bus->add_watch(sigc::mem_fun(dynamic_cast<GstPlayerBase&>(*this), &GstPlayerBase::on_bus_Message));
pipeline->add(source)->add(encoder)->add(rtpenc)->add(sink);
source->link(encoder)->link(rtpenc)->link(sink);
}
int play_sound(std::string filename)
{
// Initialize Gstreamermm:
Gst::init();
mainloop = Glib::MainLoop::create();
// Create the pipeline:
pipeline = Gst::Pipeline::create("audio-player");
// Create the elements:
// filsrc reads the file from disk:
Glib::RefPtr<Gst::Element> source = Gst::ElementFactory::create_element("filesrc");
if(!source)
std::cerr << "filesrc element could not be created." << std::endl;
// oggdemux parses the ogg streams into elementary streams (audio and video):
Glib::RefPtr<Gst::Element> parser = Gst::ElementFactory::create_element("oggdemux");
if(!parser)
std::cerr << "oggdemux element could not be created." << std::endl;
// vorbisdec decodes a vorbis (audio) stream:
decoder = Gst::ElementFactory::create_element("vorbisdec");
if(!decoder)
std::cerr << "vorbisdec element could not be created." << std::endl;
// audioconvert converts raw audio to a format which can be used by the next element
Glib::RefPtr<Gst::Element> conv = Gst::ElementFactory::create_element("audioconvert");
if(!conv)
std::cerr << "audioconvert element could not be created." << std::endl;
// Outputs sound to an ALSA audio device
Glib::RefPtr<Gst::Element> sink = Gst::ElementFactory::create_element("alsasink");
if(!sink)
std::cerr << "alsasink element could not be created." << std::endl;
//Check that the elements were created:
if(!pipeline || !source || !parser || !decoder || !conv || !sink)
{
std::cerr << "One element could not be created" << std::endl;
return 1;
}
Glib::RefPtr<Gst::Pad> pad = sink->get_static_pad("sink");
if(pad)
data_probe_id = pad->add_data_probe( sigc::ptr_fun(&on_sink_pad_have_data) );
//std::cout << "sink data probe id = " << data_probe_id << std::endl;
source->set_property("location", filename);
// Get the bus from the pipeline,
// and add a bus watch to the default main context with the default priority:
Glib::RefPtr<Gst::Bus> bus = pipeline->get_bus();
bus->add_watch( sigc::ptr_fun(&on_bus_message) );
// Put all the elements in a pipeline:
try
{
pipeline->add(source)->add(parser)->add(decoder)->add(conv)->add(sink);
}
catch(const Glib::Error& ex)
{
std::cerr << "Error while adding elements to the pipeline: " << ex.what() << std::endl;
return 1;
}
// Link the elements together:
try
{
source->link(parser);
// We cannot link the parser and decoder yet,
// because the parser uses dynamic pads.
// So we do it later in a pad-added signal handler:
parser->signal_pad_added().connect( sigc::ptr_fun(&on_parser_pad_added) );
decoder->link(conv)->link(sink);
}
catch(const std::runtime_error& ex)
{
std::cout << "Exception while linking elements: " << ex.what() << std::endl;
}
// Call on_timeout function at a 200ms
// interval to regularly print the position of the stream
Glib::signal_timeout().connect(sigc::ptr_fun(&on_timeout), 200);
// Now set the whole pipeline to playing and start the main loop:
//std::cout << "Setting to PLAYING." << std::endl;
pipeline->set_state(Gst::STATE_PLAYING);
//std::cout << "Running." << std::endl;
mainloop->run();
// Clean up nicely:
//std::cout << "Returned. Stopping playback." << std::endl;
pipeline->set_state(Gst::STATE_NULL);
return 0;
}
