This is pipeline I wan't to write in C.
gst-launch-0.10 udpsrc port=1234 multicast-group=239.0.0.1
caps="application/x-rtp,media=(string)video,clock-rate=(int)90000,payload=(int)96"
! .recv_rtp_sink_0 gstrtpbin latency=400 ! rtpmp2tdepay ! flutsdemux !
ffdec_mpeg2video ! xvimagesink
It is tested and working.
This is part of code that is not working for me. I suppose that it is
something trivial, but I can't find where mistake is.
-----------------------------------------------------------
GstElement *src;
GstElement *rtp;
GstElement *depay;
GstElement *demux;
GstElement *decode;
GstElement *deinter;
GstElement *sink;
GstPad *srcpad;
GstPad *sinkpad;
player->texture = g_object_new (CLUTTER_TYPE_TEXTURE,
"disable-slicing", TRUE, NULL);
player->pipeline = GST_PIPELINE(gst_pipeline_new ("player"));
src = gst_element_factory_make("udpsrc", "src");
g_object_set(src, "port", 1234, NULL);
g_object_set(src, "multicast-group", location, NULL);
g_object_set(src, "caps", gst_caps_from_string (RTP_CAPS), NULL);
rtp = gst_element_factory_make("gstrtpbin", "rtp");
g_object_set(rtp, "latency", latency, NULL);
depay = gst_element_factory_make("rtpmp2tdepay", "depay");
demux = gst_element_factory_make("flutsdemux", "demux");
decode = gst_element_factory_make("ffdec_mpeg2video","decode");
deinter = gst_element_factory_make("ffdeinterlace", "deinter");
sink = clutter_gst_video_sink_new(CLUTTER_TEXTURE (player->texture));
if (!src || !rtp || !depay || !demux || !decode || !deinter || !sink){
g_error("failde to create all elements");
return EXIT_FAILURE;
}
gst_bin_add_many(GST_BIN(player->pipeline), src, rtp, depay,
demux, decode, deinter, sink, NULL);
srcpad = gst_element_get_static_pad (src, "src");
sinkpad = gst_element_get_request_pad (rtp, "recv_rtcp_sink_0");
if (!gst_pad_link (srcpad, sinkpad))
g_error("can't link");
gst_object_unref (srcpad);
gst_object_unref (sinkpad);
gst_element_link_many(decode, deinter, sink, NULL);
gst_element_link(depay, demux);
// THESE TWO SIGNALS NEVER EMIT
g_signal_connect(rtp, "pad-added", G_CALLBACK(on_pad_added), depay);
g_signal_connect(demux, "pad-added", G_CALLBACK(on_pad_added), decode);
-----------------------------------------------------------
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