<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div dir="ltr" data-setdir="false">I have a pipeline for video and audio. If rtsp streaming has both audio and video, it works fine. But if the rtsp streaming does not have audio, the pipeline will freezes.</div><div dir="ltr" data-setdir="false">How to add audio part dynamically to the pipeline for rtsp streaming with audio?<br></div></div></body></html>