[gst-devel] Video and Audio sync problem

[tamil arasu]

Hi Ajay Gautam,



gst-launch rtspsrc location=rtsp://192.168.1.168:8554/mpeg4 latency=10
name=demux demux. ! queue! rtpmp4vdepay ! mpeg4videoparse ! dmaidec_mpeg4 !
TIDmaiVideoSink sync=true videoOutput=LCD videoStd=320X240 demux. ! queue !
rtppcmudepay ! mulawdec ! alsasink

Above one is working with proper Video and Audio sync.But there was 3 to 4
second delay between live source and  Destination end(where I am displaying
video and audio).

I increased latency to 500, I am getting the same delay.





thanks and regards,

Arasu.M










On Thu, Aug 12, 2010 at 9:00 PM, AJAY GAUTAM <ajaygautam1981 at gmail.com>wrote:

> Hi ,
> Please use
> gst-launch rtspsrc location=rtsp://192.168.1.168:8554/mpeg4 latency=10
> name=demux demux. ! queue! rtpmp4vdepay ! mpeg4videoparse ! dmaidec_mpeg4 !
> TIDmaiVideoSink sync=true videoOutput=LCD videoStd=320X240 demux. ! queue !
> rtppcmudepay ! mulawdec ! alsasink
>
> On Thu, Aug 12, 2010 at 7:55 PM, tamil arasu <marasu2010 at gmail.com> wrote:
>
>> Hi All,
>>
>>
>>                 I am new to gstreamer.I am using pipeline below mentioned
>> for playing Video and Audio from Live source.
>>
>> gst-launch rtspsrc location=rtsp://192.168.1.168:8554/mpeg4 latency=10
>> name=demux demux. ! queue! rtpmp4vdepay ! mpeg4videoparse ! dmaidec_mpeg4 !
>> TIDmaiVideoSink sync=false videoOutput=LCD videoStd=320X240 demux. ! queue !
>> rtppcmudepay ! mulawdec ! alsasink
>>
>> Above Pipeline is working with proper Audio and Video sync.When I was
>> testing the Video and Audio sync by running the above pipeline so many
>> times,Sometimes  Audio got delayed about half second.
>>
>> I am getting this warning  mentioned below
>>
>>
>> ../../../../src/gst-libs/gst/audio/gstbaseaudiosink.c(1449):
>> gst_base_audio_sink_render (): /GstPipeline:pipeline0/GstAlsaSink:alsasink0:
>> Unexpected discontinuity in audio timestamps of more than half a second
>> (0:00:00.569375000), resyncing
>>
>>
>>
>>
>> thanks and regards,
>>
>> Arasu.M
>>
>>
>>
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>
>
> --
> Thanx & Regards
> Ajay Gautam
> +91-9717785580
>
>
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