Audio and video synchronisation

Andreas Rödig a.roedig at null821.de
Mon Oct 10 06:25:45 PDT 2011


Hi,

yes, playbin2 works fine. I think there is something wrong with my queue 
in my pipeline. But i don't find some options to sync data streams in 
pipeline.


best Regards,
Andreas

Am 10.10.2011 15:09, schrieb Icarus Alive:
> On Mon, Oct 10, 2011 at 12:16 PM, Andreas Rödig<a.roedig at null821.de>  wrote:
>> Hi,
>>
>> i try to build my own pipeline (without playbin2).
>>
>> Thats what i have at the moment:
>>
>> gst-launch filesrc location=movie.mov ! queue2 ! qtdemux name=demux
>> demux.video_00 ! queue ! fluvadec ! fluvasink demux.audio_00 ! queue !
>> fluaacdec ! autoaudiosink
>>
>> My Problem:
>> The Audio is starting directly. But video starts with a 2 seconds delay. And
>> than audio and video are not synchron.
>>
>> What i have to do for synchron video and audio?
>
> try to print debug traces with playbin2 and figure out it's pipeline.
> i hope the sync issue isn't seen with playbin2 ?
> in my case, a streaming asf source plays pretty well (no observable
> sync issues), but in my "optimized" pipeline, which was built by
> observing playbin2, doesn't fare so well. I think in my optimization
> drive, I've chopped off some necessary "sync" elements. recreating the
> playbin2 pipeline using discrete elements on command-line, completely,
> has been a challenge.
>
> i hope someone can shed some more light on this subject.
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-- 
Andreas Rödig



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