playing and parsing mpeg2ts file
Duchassin Frederic
duchassin at sefram.fr
Fri Apr 12 10:19:10 UTC 2019
Hello All,
Just one step i have done today : I have the problem with gstreamer
1.14.0 whereas it was working correctly with version 1.12.2.
I don't really know how i can get in tsparse branch :
GstQueueTsParse
parent=(GstPipeline) Gstreamer player
current-level-buffers=201
current-level-bytes=823296
max-size-buffers=0
max-size-bytes=
max-size-time=0";
How i can get a current-level > max-level ???? This is the problem which
lead to a blocking state.
BR
Frédéric
Le 29/03/2019 à 12:21, Duchassin Frederic a écrit :
> : Sorry Tim,
>
> I was too fast for may answer. Next time, i'll be carefull to answer to the list.
> Even with max-size-bytes=0 max-size-buffers=0 max-size-time=0 for tsparsequeue it doesn't work.
> Attached the dot file.
>
> BR
> Frédéric
>
>
>
> On Fri, 2019-03-29 at 12:00 +0100, Duchassin Frederic wrote:
>
> Hi,
>
> Please reply to the list next time
>
> What I forgot to write was: you can just unset all the limits on the
> queue in front of tsparse, that should be fine (so max-size-bytes=0
> max-size-buffers=0 max-size-time=0).
>
> Cheers
> Tim
> Le 29/03/2019 à 12:11, Duchassin Frederic a écrit :
>> Hi Tim,
>>
>>
>> I played with the size of the queue in front of tsparse but not
>> during playing.
>>
>> In all case, My dot file is created later after the pipeline was
>> playing.
>>
>> You're right : my main problem is that decodebin is not completely
>> linked (no audiodecoder beepdec linked) and i don't know why.
>>
>> My though were like you : that's why I increase the tsparsequeue but
>> without any success : no video+audio.
>>
>>
>> Just one test I have make : attached the same pipeline but i change
>> the order of the link : i begin by linking decodebin branch ,.... and
>> it works... i really understand nothing !!!!
>>
>>
>> BR
>>
>> Frédéric
>>
>> Le 29/03/2019 à 11:35, Tim Müller a écrit :
>>> On Fri, 2019-03-29 at 11:00 +0100, Duchassin Frederic wrote:
>>>
>>> Hi Frederic,
>>>
>>> Not entirely sure what's going on here. You dot file and mail says that
>>> the queue in front of the tsparse has 201 buffers and max-size-
>>> buffers=2000 (two thousand).
>>>
>>> The dot file also doesn't show links from decodebin to your audio/video
>>> sink branches. Unclear if that's because of the timing of the dot file
>>> snapshot or because that's your problem (then the audio/video sinks
>>> never get any data and the pipeline won't preroll). If the decodebin
>>> was unliked I would suspect the tsparse queue to be fuller though.
>>>
>>> It's a bit suspicious that the queue in front of the tsparse is at 201
>>> buffers, which is just above the default max-size-buffers limit of 200.
>>> Did you increase the max-size-buffers limit after pipeline startup?
>>>
>>> So my best guess is that the queue in front of the tsparse runs full,
>>> and then blocks the filesrc ! tee upstream, and then decodebin etc.
>>> don't get more data and can't finish their preroll and the pipeline is
>>> stuck.
>>>
>>> GST_DEBUG=queue:6 might help confirm whether this is the case or not.
>>>
>>> Cheers
>>> Tim
>>>
>>
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>> gstreamer-devel at lists.freedesktop.org
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>
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