<div dir="ltr"><div class="gmail_default" style="font-family:monospace,monospace;font-size:small">Dear All,</div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small"><br></div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small">Is there any way, by which some audible time stamp information could be added to audiotestsrc plugin?  What I mean is similar to videotestsrc !  timeoverlay in the case of video.</div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small"><br></div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small">Basically, I would like to do delay measurement for video and audio over RTP.  I could do for the video by the following.</div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small"><br></div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small">                                 / autovideosink<br></div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small">videotestsrc - timeoverlay - tee <br></div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small">                                 \ x264enc - rtph264pay - udpsink</div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small">udpsrc - rtph264depay - decodebin - autovideosink</div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small"><br></div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small"><br></div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small">Now, If I could compare both autovideosink simultaneously, I could get an estimate of video encoder/decoder rtp packetzer/depacketizer delay.</div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small"><br></div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small">I would like to do similar for AAC audio.  If I could an "equivalent" of timeoverlay for audio, then I could use the same concept.</div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small"><br></div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small">Any idea would be really appreciated.</div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small"><br></div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small">Thanks and Regards</div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small"><br></div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small">Anand</div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small"><br></div><div class="gmail_default" style="font-family:monospace,monospace;font-size:small"><br></div></div>