<div dir="ltr">Dear all,<div><br></div><div>I am trying to implement Picture In Picture feature in iPAD using GStreamer.</div><div><br></div><div>As a first step, i tried to understand videobox, and executed the below command</div><div>in the command line in MAC.</div><div><br></div><div>
<p class="">./gst-launch-1.0 udpsrc port=5000 ! "application/x-rtp, encoding-name=(string)H264, payload=(int)96, clock-rate=(int)90000" ! rtph264depay ! h264parse ! vtdec ! videobox top=-10 bottom=-20 ! glimagesink sync=false</p><p class="">The below command works fine. </p><p class="">The same think i tried using GStreamer SDK.</p><p class=""><br></p><p class="">
</p><p class=""><span class=""> </span><span class="">pipeline</span><span class=""> = </span><span class="">gst_parse_launch</span><span class="">(</span>"udpsrc port=5000 ! application/x-rtp, encoding-name=(string)H264, payload=(int)96, clock-rate=(int)90000 ! rtph264depay ! h264parse ! vtdec ! videobox top=-10 bottom=-20 ! glimagesink sync=false"<span class="">, &error);</span></p><p class=""><span class=""><br></span></p><p class=""><span class=""><br></span></p><p class=""><span class="">Unfortunately i receive the below error:</span></p><p class=""><span class="">could not link vtdec0 to videobox0<br></span></p><p class=""><span class=""><br></span></p><p class=""><span class="">That is:</span></p><p class=""><span class="">
</span></p><p class=""><b>0:00:01.127516000 2660 0x3132860 ERROR GST_PIPELINE ./grammar.y:616:gint gst_parse_perform_link(link_t *, graph_t *): could not link vtdec0 to videobox0</b></p><p class="">following that,</p><p class="">udpsrc0: Internal data flow error .</p><p class="">Please let me know what is the issue ?</p><p class=""><br></p><p class=""> </p><p class=""><br></p><p class=""><br></p></div></div>