Reduce latency to less than 500ms for RTSP stream

[Bhavya]

Hi,

I am using GStreamer 1.2.3 version on TI-J6 hardware for RTSP playback. 

gst-launch-1.0 rtspsrc location=rtsp://172.16.0.105:1935/vod/ccc.mp4 name=d
d. ! rtph264depay ! queue max-size-time=1000000000
min-threshold-time=1000000000 max-size-bytes=0 max-size-buffers=0 !
ducatih264dec ! waylandsink d. ! rtpmpadepay ! queue
max-size-time=1000000000 min-threshold-time=1000000000 max-size-bytes=0
max-size-buffers=0 ! allgomp3dec ! pulsesink

Above is the pipeline used in my application, with this playback is smooth
if latency is set to 1.2 sec or more. Now i have a requirement of achieving
latency less than 500ms. 
When i set sync is false on audio and video sink and latency to only 100ms,
playback is smooth itself.
That means it is not because of delay in packet receiving right?

How can debug this issue, Is the timestamp set by jitterbuffer element is
not proper? What can be changed in my pipeline to achieve smoother playback
with less latency. 

Thanks & Regards,
Bhavya R



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