Help - Using GStreamer decoders to decode

[Ashwini Sharma]

Hi Kapil,

 Can you suggest what kind of changes or checks i should perform in the
decoder plugin to fullfill the point no. *3?*
*for 4. is it the buffer timestamp which is PTS for that buffer?*

-Ashwini


On Tue, Jun 28, 2011 at 1:07 PM, Kapil Agrawal <kapil.agl at gmail.com> wrote:

> 1. Yes
> 2. Yes
> 3. You can do that by making changes in the decoder plugin , but I doubt in
> application you can do that.
> 4. Yes the buffer at decoder srcpad gives PTS for that frame of data
> contained in buffer.
>
>   On Tue, Jun 28, 2011 at 11:18 AM, Ashwini Sharma <ak.ashwini at gmail.com>wrote:
>
>>   Hi All,
>>
>>   I am writing an mediaplay application in which i have to use GStreamer
>> decoders to decode data and send it back. For the purpose I am going to use
>> *"appsrc ! decoder ! appsink" *. Where decoder can be a specific decoder
>> or decodebin.
>>
>> I will be reading the file, demuxing it and then send the demuxed packet
>> to GStreamer decoder part as described above. Here I want to know few
>> things....
>>
>>
>>    1. Does the  decoder in gstreamer output a complete Frame or is it
>>    partial data? I assume it to be a complete frame... please correct my
>>    assumption.
>>    2. Can I know from the output buffer/frame (at src pad of decoder),
>>    whether it is a Key-frame or not?
>>    3. Is it possible to check whether the complete frame can be
>>    generated from the given demuxed data or does it require more?
>>    4. Is there any way to get the PTS of the decoded frame?
>>
>> Please help, as this is urgent for me.
>>
>> Thanks,
>> Ashwini
>>
>> _______________________________________________
>> gstreamer-devel mailing list
>> gstreamer-devel at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>
>>
>
>
> --
> www.mediamagictechnologies.com (Gstreamer, ffmpeg, Red5, Streaming)
> twitter handle: @gst_kaps
> http://www.linkedin.com/in/kapilagrawal
>
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