[gst-devel] problem playing video file with this sample code

Mon Jan 1 06:52:20 CET 2007

Hi pavan,
 Thanks for you reply but I am not able to locate this document at mentioned path. I was trying to find out this in latest gstreamer-plugin-base code available on the gstreamer website.

Regards,
Sanjay

On Thu, 21 Dec 2006 Pavan Patale wrote :
>see gst-plugins-base/docs/design/design-decodebin.txt.
>It might be helpful.
>
>Thanks,
>Pavan.
>
>
>> From: "sanjay kumar gupta" <sanjay417 at rediffmail.com>
>>Reply-To: sanjay kumar gupta <sanjay417 at rediffmail.com>
>>To: gstreamer-devel at lists.sourceforge.net
>>Subject: [gst-devel] problem playing video file with this sample code
>>Date: 20 Dec 2006 13:22:05 -0000
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>>
>>Hi all,
>>  I have written the simple code for playing audio/video files using decodebin.
>>Idea of creating the pipeline is as follows:
>>/-----------------------
>>1. created the elements filesrc and decodebin. Added & Linked these elements to pipeline and subscribed for callback cb_newpad() with decodebin element.
>>2. created the elements audioconvert and alsasink and added these elements to audio bin with ghostpad. (this audio bin is not yet added in the pipeline)
>>3. created the element xvimagesink and added this element to video bin with ghostpad. (this video bin is not yet added in the pipeline)
>>4. Now setting the pipeline (with partial elements in step 1) to running state.
>>4. When getting callback cb_newpad() for pad with mime type "audio/*" then adding the audio bin to pipeline, linking the ghostpad of audio bin with this new pad.
>>  Once it is added and linked in pipeline, I am synchronizing the state of audio bin with pipeline state using following function:
>>  gst_element_sync_state_with_parent (audiobin);
>>4. When getting callback cb_newpad() for pad for mime type "video/*" then adding the video bin to pipeline, linking the ghostpad of video bin with this new pad.
>>  Once it is added and linked in pipeline, I am synchronizing the state of video bin with pipeline (parent of video bin) state using following function:
>>  gst_element_sync_state_with_parent (videobin);
>>/------------------------------
>>
>>When  I am trying to play audio file (only audio stream) or video file without audio (only video stream) then this code is perfectly working.
>>but facing problem when file contain both audio and video stream.
>>It sometime plays perfectly but sometime I am getting EOS (end of stream) notification immediately.
>>what is the reason for this behavior.
>>I tried to use the following pipeline from command line. it always worked fine:
>>$gst-launch-0.10 filesrc location=soccer.avi ! decodebin name="decodebin" decodebin.! xvimagesink decodebin.! audioconvert ! alsasink
>>Code is attached in this mail.
>>Can someone please point out where could be the problem & please suggest the necessary changes needed?
>>Any help would be appreciated.
>>Thanks in advance.
>>
>>Regards,
>>Sanjay
>>
>>*********************************
>>   Sanjay Kumar Gupta
>>   Motorola India Elecronics Ltd.,
>>   "TSR Towers",H.No. 6-3-1090,
>>   Somajiguda, Raj Bhavan Road,
>>   Hyderabad-500082.
>>   Email: sanjayg at motorola.com
>>*********************************
>
>
>><< tmp.c >>
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