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

Sun Dec 12 10:16:14 CET 2010

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
>
>
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