[gst-devel] queue or queue2

Michael Joachimiak mjoachimiak at gmail.com
Thu Sep 2 16:49:10 CEST 2010


I think it works.
I can run gst-launch v4l2src ! queue2 max-size-bytes=1000 ! xvimagesink
with this output:
//////////////////////////////////////////
0:00:00.019022180 [335m12928 [00m      0x1fc1080 [32;01mINFO   [00m
[00;01;31;41m            GST_PADS gstpad.c:1886:gst_pad_link_prepare: [00m
trying to link v4l2src0:src and queue20:sink
0:00:00.019535863 [335m12928 [00m      0x1fc1080 [32;01mINFO   [00m
[00;01;31;41m            GST_PADS gstpad.c:2059:gst_pad_link: [00m linked
v4l2src0:src and queue20:sink, successful
0:00:00.019568199 [335m12928 [00m      0x1fc1080 [32;01mINFO   [00m
[00;01;37;41m        GST_PIPELINE ./grammar.y:568:gst_parse_perform_link:
[00m linking queue20:(any) to xvimagesink0:(any) (0/0) with caps "(NULL)"
0:00:00.019582936 [335m12928 [00m      0x1fc1080 [32;01mINFO   [00m
[00;01;37;41m    GST_ELEMENT_PADS gstutils.c:1585:gst_element_link_pads:
[00m trying to link element queue20:(any) to element xvimagesink0:(any)
0:00:00.019597463 [335m12928 [00m      0x1fc1080 [32;01mINFO   [00m
[00;01;31;41m            GST_PADS gstutils.c:1046:gst_pad_check_link: [00m
trying to link queue20:src and xvimagesink0:sink
0:00:00.020158638 [335m12928 [00m      0x1fc1080 [32;01mINFO   [00m
[00;01;31;41m            GST_PADS
gstutils.c:1493:prepare_link_maybe_ghosting: [00m queue20 and xvimagesink0
in same bin, no need for ghost pads
0:00:00.020177215 [335m12928 [00m      0x1fc1080 [32;01mINFO   [00m
[00;01;31;41m            GST_PADS gstpad.c:1886:gst_pad_link_prepare: [00m
trying to link queue20:src and xvimagesink0:sink
0:00:00.020702631 [335m12928 [00m      0x1fc1080 [32;01mINFO   [00m
[00;01;31;41m            GST_PADS gstpad.c:2059:gst_pad_link: [00m linked
queue20:src and xvimagesink0:sink, successful
////////////////////////////

Am I missing smth?


2010/9/1 Bert Douglas <bertd at tplogic.com>

> Understood.
>
> Thanks much,
> Bert Douglas
>
>
> On Wed, Sep 1, 2010 at 4:24 AM, Stefan Kost <ensonic at hora-obscura.de>wrote:
>
>> On 28.08.2010 16:03, Bert Douglas wrote:
>> > Hi All,
>> >
>> > Sorry to keep bothering you with questions.
>> >
>> > Does "queue" work ok?  Is it deprecated, in favor of "queue2"?
>>
>> Both work okay. queue is in memory buffering and queue2 can do disk
>> buffering. queue can work with live-sources, queue2 can't (right now).
>> If you just need to decouple elements into different threads use queue.
>>
>> Stefan
>> >
>> > Thanks,
>> > Bert Douglas
>> >
>> >
>> >
>> >
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-- 
Your Sincerely
Michael Joachimiak
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