[gst-devel] How to specify type of sink or src pad in gstrtpbin

[Thomas Winkler]

Hi,

is there any way to specify the type of the sink or src pad in gstrtpbin?

 

I'm trying to specify the rtp and rtcp pads while linking.

 

My code below:

 

gst_init(0, 0);

 

GMainLoop* m_mainLoop = g_main_loop_new(NULL,FALSE);

GstElement* m_bin = gst_pipeline_new("pipe");

GstElement* m_gstrtpbin = gst_element_factory_make("gstrtpbin", "rtpbin");

 

GstElement* m_video_pipe = createVideoPipe();

// the createVideoPipe()-method creates a separate pipeline
[videosource]->[capsfilter]->[ffmpegcolorspace]->[videoencoder]->[videopaylo
ader]

// adds and link all elements to the pipeline and returns the created
pipeline

 

gst_bin_add(GST_BIN(m_gstrtpbin), m_video_pipe);

// here I add the created video-pipeline to my gstrtpbin

 

GstElement* m_udp_rtp_sink = createUdpRtpSink();

      // the createUdpRtpSink()-method creates a pipeline within a
UdpSink-Element, adds + link all elements and returns the pipe

 

GstElement* m_udp_rtcp_sink = createUdpRtcpSink();

      // the createUdpRtcpSink()-method creates a pipeline within a
UdpSink-Element, adds + link all elements and returns the pipe

 

GstElement* m_udp_rtcp_src = createUdpRtcpSrc();

      // the createUdpRtcpSrc()-method creates a pipeline within a
UdpSrc-Element, adds + link all elements and returns the pipe

 

// finally I add the the 3 Upd-Elements to my gstrtpbin

gst_bin_add(GST_BIN(m_gstrtpbin), m_udp_rtp_sink);

gst_bin_add(GST_BIN(m_gstrtpbin), m_udp_rtcp_sink);

gst_bin_add(GST_BIN(m_gstrtpbin), m_udp_rtcp_src);

 

// now comes my problem with linking the pipes to the gstrtpbin sinks and
pads

// if I try following the links does not work:

 

gst_element_link_pads(m_udp_rtp_sink, "src", m_gstrtpbin,
"send_rtp_src_%d");

 

// the problem is that gstrtpbin has no "send_rtp_src_%d" pad.

 

 

 

 

My Question is how to specify the type and number of the sink or src pads in
gstrtpbin.

I will exclusive specify, that my payloader should connect the
"send_rtp_sink_0" and the UdpSink for this should connect to
"send_rtp_src_0".

Also my RtcpSender UdpSink should connect to "send_rtcp_src_0" and the
RtcpReceiver UdpSrc should connect to "send_rtcp_sink_0"

 

Is there a way to specify this?

 

Greetings,

Thomas

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