Queue Overrun

[Mailing List SVR]

Il 10/10/2017 18:55, Duchassin Frederic ha scritto:
> Yes I already read what you said.
> The problem is that even if I set a big queue size (100 MB) I get OVERRRUN.
> So I read the "current-level-bytes" parameter and this parameter is lower than max-size-bytes.
> (I don't want to disable queue depth by setting max-size-bytes and max-size-time to 0 )
> Do you really believe that it is a normal behavior ?

the queue overrun if at least one of the limit is reached, so if you set 
only max-size-bytes, the queue can overrun because it reach max buffers 
size or max time size,

if you want to set the limit only in bytes then set the other limits to 0,

Nicola

>
>
> Frederic
>
>
>
>
>
> -----Message d'origine-----
> De : gstreamer-devel [mailto:gstreamer-devel-bounces at lists.freedesktop.org] De la part de Nicolas Dufresne
> Envoyé : mardi 10 octobre 2017 17:50
> À : Discussion of the development of and with GStreamer
> Objet : Re: Queue Overrun
>
> Le mardi 10 octobre 2017 à 17:09 +0200, Duchassin Frederic a écrit :
>> Hello Nicolas,
>>
>> You're right about tipo. It's a mistake when I copy/paste and rewrite
>> the pipeline on this post.
>> In fact my pipeline is well written....
>>
>> If I replace the queue element by queue2, I doesn't get anymore
>> OVER_RUN. (like if queue element doesn't accept max-size-bytes
>> parameter.)
>> Have you got an idea about why queue doesn't accept max-size-bytes ?
>> and always gives overrun.
> You seem to have missed my first reply:
>
>      Likely because you didn't disable the "max-size-time" and/or "max-size-
>      buffers" property. It is set to 10s and 200 buffers respectively by
>      default. Set these to 0 to disable.
>
> Queue2 default configuration is different, as it targets a different use case.
>
> regards,
> Nicolas
>
>> Frederic
>>
>>
>>
>> -----Message d'origine-----
>> De : gstreamer-devel [mailto:gstreamer-devel-bounces at lists.freedeskto
>> p.org] De la part de Nicolas Dufresne
>> Envoyé : mardi 10 octobre 2017 15:47
>> À : Discussion of the development of and with GStreamer Objet : Re:
>> Queue Overrun
>>
>> Le mardi 10 octobre 2017 à 08:42 +0000, Duchassin Frédéric a écrit :
>>> Hello,
>>>   
>>> I use this pipeline on Imx6 :
>>>   
>>> gst-launch-1.0  udpsrc address=239.0.0.1 port=1234 ! queue max-
>>> size_bytes=20000000 min-threshold-bytes=100 ! tsdemux name=d
>>> program-
>> Please notice your typo here, It's "max-size-bytes" with a - not a _.
>>
>>> number=275 ! multiqueue name=q use-buffering=1 d. ! q.  q. ! queue !
>>> decodebin ! queue ! imxg2dvideosink q. ! queue ! decodebin ! queue !
>>> audioconvert ! volume volume=10 ! alsasink
>>>   
>>>   
>>> And i get queue OVERRUN signal on queue before decodebin.
>>> I try to search why this queue has overflow by reading level and I
>>> get this :
>>>   
>>> OVER_RUN :  bufferdecodebinvideo : Max buffer size : 100000000
>>> OVER_RUN :  bufferdecodebinvideo : Number of bytes in buffer :
>>> 1159086
>>>   
>>> ???
>>>   
>>> Why I get overrun whereas the max-size of queue is not reached ?
>>>   
>>> BR.
>>>   
>>> Frederic
>>>   
>>> _______________________________________________
>>> gstreamer-devel mailing list
>>> gstreamer-devel at lists.freedesktop.org
>>> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>> _______________________________________________
>> gstreamer-devel mailing list
>> gstreamer-devel at lists.freedesktop.org
>> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel