[gst-devel] How I test the FLV demux plugin

Sun Dec 12 11:41:52 CET 2010

Ok, it seems playbin takes care of caps negotiations correctly when
"codec_data" is a part of caps.

So does this solve your problem ? Or still you want to use your old pipeline
?

On Sun, Dec 12, 2010 at 2:46 PM, michael <mcygogo at gmail.com> wrote:

> Hi sadarshan:
>     I can play the file by your command:  gst-launch -v playbin uri=file:
> ///path/test.flv
>
>
> On Sun, Dec 12, 2010 at 3:53 PM, sudarshan bisht <
> bisht.sudarshan at gmail.com> wrote:
>
>> I suggest you to use capsfilter, as you said in your earlier mails
>> that gst_pad_push returns -1 , that means flvdemux is not able to push
>> buffer to the next element and it may happen because of lack of
>> caps negotiations.
>>
>> By the way how did you create this test.flv file ? and are you able to
>> play this file with other players ?
>>
>> and give a try to following pipeline;
>>  gst-launch -v playbin uri=file:///path/test.flv
>>
>>
>>
>> On Sat, Dec 11, 2010 at 10:55 PM, Timothy Braun <braunsquared at gmail.com>wrote:
>>
>>> Your best bet is to use gst-inspect and look at what the various
>>> templates of the pads are. It sounds like you need to do some conversion
>>> somewhere.
>>>
>>> Sent from my iPhone
>>>
>>> On Dec 11, 2010, at 8:46 AM, michael <mcygogo at gmail.com> wrote:
>>>
>>> Hi sudarshan:
>>>      I followed your command, I got information :
>>> WARNING: erroneous pipeline: could not parse caps "video/x-h264,\
>>> pixel-aspect-ratio=(fraction)1/1,\
>>> codec_data=(buffer)01640015ffe1001e67640015ac34e602808effc028402804000003000400000300ca3c58b67801000468e9bbcb\"
>>>
>>>
>>>
>>> On Sat, Dec 11, 2010 at 7:32 PM, sudarshan bisht <<bisht.sudarshan at gmail.com>
>>> bisht.sudarshan at gmail.com> wrote:
>>>
>>>> Ok, now can you try following,
>>>>
>>>> gst-launch filesrc location=test.flv ! flvdemux name=demux
>>>> demux.video_00 ! queue !  "video/x-h264,
>>>> pixel-aspect-ratio=(fraction)1/1,
>>>> codec_data=(buffer)01640015ffe1001e67640015ac34e602808effc028402804000003000400000300ca3c58b67801000468e9bbcb
>>>> " ! filesink location=test.ves demux.audio_00 ! queue ! filesink
>>>> location=test.aes
>>>>
>>>>
>>>> On Sat, Dec 11, 2010 at 10:49 AM, michael < <mcygogo at gmail.com>
>>>> mcygogo at gmail.com> wrote:
>>>>
>>>>> Hi sudarshan:
>>>>>     I run it with the -v option, and the result  like this:
>>>>> Setting pipeline to PAUSED ...
>>>>> Pipeline is PREROLLING ...
>>>>> /GstPipeline:pipeline0/GstFlvDemux:demux.GstPad:video: caps =
>>>>> video/x-h264, pixel-aspect-ratio=(fraction)1/1,
>>>>> codec_data=(buffer)01640015ffe1001e67640015ac34e602808effc028402804000003000400000300ca3c58b67801000468e9bbcb
>>>>>  ERROR: from element /GstPipeline:pipeline0/GstFlvDemux:demux:
>>>>> Internal data stream error.
>>>>> Additional debug info:
>>>>> gstflvdemux.c(2283): gst_flv_demux_loop ():
>>>>> /GstPipeline:pipeline0/GstFlvDemux:demux:
>>>>> stream stopped, reason not-linked
>>>>> ERROR: pipeline doesn't want to preroll.
>>>>> Setting pipeline to NULL ...
>>>>> /GstPipeline:pipeline0/GstFlvDemux:demux.GstPad:audio: caps = NULL
>>>>> /GstPipeline:pipeline0/GstFlvDemux:demux.GstPad:video: caps = NULL
>>>>> Freeing pipeline ...
>>>>>
>>>>> I have found that the in function: gst_flv_demux_parse_tag_video() ,
>>>>> the call gst_pad_push(demux->video_pad, outbuf) returned the -1;
>>>>>
>>>>> On Sat, Dec 11, 2010 at 4:33 PM, sudarshan bisht <<bisht.sudarshan at gmail.com>
>>>>> bisht.sudarshan at gmail.com> wrote:
>>>>>
>>>>>> Could you run the same pipeline with -v option and paste the log here
>>>>>> ?
>>>>>>
>>>>>>
>>>>>>  On Sat, Dec 11, 2010 at 11:47 AM, michael < <mcygogo at gmail.com>
>>>>>> mcygogo at gmail.com> wrote:
>>>>>>
>>>>>>> Hi all:
>>>>>>>      Now I am learning some about the flv plugin--flvdemux, I try to
>>>>>>> demux my flv test file like this:
>>>>>>> gst-launch filesrc location=test.flv ! flvdemux name=demux
>>>>>>> demux.video_00 ! queue ! filesink location=test.ves demux.audio_00 ! queue !
>>>>>>> filesink location=test.aes
>>>>>>>      But when I run it , I just get the information like this:
>>>>>>> Setting pipeline to PAUSED ...
>>>>>>> Pipeline is PREROLLING ...
>>>>>>> ERROR: from element /GstPipeline:pipeline0/GstFlvDemux:demux:
>>>>>>> Internal data stream error.
>>>>>>> Additional debug info:
>>>>>>> gstflvdemux.c(2283): gst_flv_demux_loop ():
>>>>>>> /GstPipeline:pipeline0/GstFlvDemux:demux:
>>>>>>> stream stopped, reason not-linked
>>>>>>> ERROR: pipeline doesn't want to preroll.
>>>>>>> Setting pipeline to NULL ...
>>>>>>> Freeing pipeline ...
>>>>>>>
>>>>>>> I just want test the flvdemux plugin , So How I fixed it? tks:)
>>>>>>>
>>>>>>>
>>>>>>> ------------------------------------------------------------------------------
>>>>>>> Oracle to DB2 Conversion Guide: Learn learn about native support for
>>>>>>> PL/SQL,
>>>>>>> new data types, scalar functions, improved concurrency, built-in
>>>>>>> packages,
>>>>>>> OCI, SQL*Plus, data movement tools, best practices and more.
>>>>>>>  <http://p.sf.net/sfu/oracle-sfdev2dev>
>>>>>>> http://p.sf.net/sfu/oracle-sfdev2dev
>>>>>>> _______________________________________________
>>>>>>> gstreamer-devel mailing list
>>>>>>>  <gstreamer-devel at lists.sourceforge.net>
>>>>>>> gstreamer-devel at lists.sourceforge.net
>>>>>>>  <https://lists.sourceforge.net/lists/listinfo/gstreamer-devel>
>>>>>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Regards,
>>>>>>
>>>>>> Sudarshan Bisht
>>>>>>
>>>>>>
>>>>>> ------------------------------------------------------------------------------
>>>>>> Oracle to DB2 Conversion Guide: Learn learn about native support for
>>>>>> PL/SQL,
>>>>>> new data types, scalar functions, improved concurrency, built-in
>>>>>> packages,
>>>>>> OCI, SQL*Plus, data movement tools, best practices and more.
>>>>>>  <http://p.sf.net/sfu/oracle-sfdev2dev>
>>>>>> http://p.sf.net/sfu/oracle-sfdev2dev
>>>>>> _______________________________________________
>>>>>> gstreamer-devel mailing list
>>>>>>  <gstreamer-devel at lists.sourceforge.net>
>>>>>> gstreamer-devel at lists.sourceforge.net
>>>>>>  <https://lists.sourceforge.net/lists/listinfo/gstreamer-devel>
>>>>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------------
>>>>> Oracle to DB2 Conversion Guide: Learn learn about native support for
>>>>> PL/SQL,
>>>>> new data types, scalar functions, improved concurrency, built-in
>>>>> packages,
>>>>> OCI, SQL*Plus, data movement tools, best practices and more.
>>>>>  <http://p.sf.net/sfu/oracle-sfdev2dev>
>>>>> http://p.sf.net/sfu/oracle-sfdev2dev
>>>>> _______________________________________________
>>>>> gstreamer-devel mailing list
>>>>>  <gstreamer-devel at lists.sourceforge.net>
>>>>> gstreamer-devel at lists.sourceforge.net
>>>>>  <https://lists.sourceforge.net/lists/listinfo/gstreamer-devel>
>>>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Regards,
>>>>
>>>> Sudarshan Bisht
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>> Oracle to DB2 Conversion Guide: Learn learn about native support for
>>>> PL/SQL,
>>>> new data types, scalar functions, improved concurrency, built-in
>>>> packages,
>>>> OCI, SQL*Plus, data movement tools, best practices and more.
>>>>  <http://p.sf.net/sfu/oracle-sfdev2dev>
>>>> http://p.sf.net/sfu/oracle-sfdev2dev
>>>> _______________________________________________
>>>> gstreamer-devel mailing list
>>>>  <gstreamer-devel at lists.sourceforge.net>
>>>> gstreamer-devel at lists.sourceforge.net
>>>>  <https://lists.sourceforge.net/lists/listinfo/gstreamer-devel>
>>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>>
>>>>
>>>
>>> ------------------------------------------------------------------------------
>>> Oracle to DB2 Conversion Guide: Learn learn about native support for
>>> PL/SQL,
>>> new data types, scalar functions, improved concurrency, built-in
>>> packages,
>>> OCI, SQL*Plus, data movement tools, best practices and more.
>>> http://p.sf.net/sfu/oracle-sfdev2dev
>>>
>>> _______________________________________________
>>> gstreamer-devel mailing list
>>> gstreamer-devel at lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> Oracle to DB2 Conversion Guide: Learn learn about native support for
>>> PL/SQL,
>>> new data types, scalar functions, improved concurrency, built-in
>>> packages,
>>> OCI, SQL*Plus, data movement tools, best practices and more.
>>> http://p.sf.net/sfu/oracle-sfdev2dev
>>> _______________________________________________
>>> gstreamer-devel mailing list
>>> gstreamer-devel at lists.sourceforge.net
>>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>>
>>>
>>
>>
>> --
>> Regards,
>>
>> Sudarshan Bisht
>>
>>
>> ------------------------------------------------------------------------------
>> Oracle to DB2 Conversion Guide: Learn learn about native support for
>> PL/SQL,
>> new data types, scalar functions, improved concurrency, built-in packages,
>> OCI, SQL*Plus, data movement tools, best practices and more.
>> http://p.sf.net/sfu/oracle-sfdev2dev
>> _______________________________________________
>> gstreamer-devel mailing list
>> gstreamer-devel at lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>>
>>
>
>
> ------------------------------------------------------------------------------
> Oracle to DB2 Conversion Guide: Learn learn about native support for
> PL/SQL,
> new data types, scalar functions, improved concurrency, built-in packages,
> OCI, SQL*Plus, data movement tools, best practices and more.
> http://p.sf.net/sfu/oracle-sfdev2dev
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>
>

-- 
Regards,

Sudarshan Bisht
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