matroska

[stojnovsky]

Hi All,
I'm really newer with Gstreamer.
I start to make one simple test, play webm movie.
When I try to play only video or audio it works, but not work audio+video.
when I start:

gst-launch-0.10 -v filesrc location=bilqna.webm ! matroskademux name=d d.audio_00 ! vorbisdec ! audioconvert ! pulsesink d.video_00 ! vp8dec ! xvimagesink

I see maybe first frame of video and the picture is stay freeze and audio isn't start and in console i get:
ERROR: pipeline doesn't want to preroll.



when i start:
gst-launch-0.10 -v filesrc location=bilqna.webm ! matroskademux name=d d.audio_00 ! vorbisdec ! audioconvert ! pulsesink filesrc location=bilqna.webm ! matroskademux ! vp8dec ! xvimagesink
I have video and audio but i think this is not a good solution.

So, can you help me, what is wrong in my first command, or maybe this is a bug, or i miss do something when install my environment ?
Thanks in advance.

[praveen pandey-2]

use queue element before audio and video decoders

BR,
Praveen Pandey

On Mon, Dec 27, 2010 at 8:45 PM, stojnovsky <[hidden email]> wrote:

Hi All,
I'm really newer with Gstreamer.
I start to make one simple test, play webm movie.
When I try to play only video or audio it works, but not work audio+video.
when I start:

gst-launch-0.10 -v filesrc location=bilqna.webm ! matroskademux name=d
d.audio_00 ! vorbisdec ! audioconvert ! pulsesink d.video_00 ! vp8dec !
xvimagesink

I see maybe first frame of video and the picture is stay freeze and audio
isn't start and in console i get:
ERROR: pipeline doesn't want to preroll.



when i start:
gst-launch-0.10 -v filesrc location=bilqna.webm ! matroskademux name=d
d.audio_00 ! vorbisdec ! audioconvert ! pulsesink filesrc
location=bilqna.webm ! matroskademux ! vp8dec ! xvimagesink
I have video and audio but i think this is not a good solution.

So, can you help me, what is wrong in my first command, or maybe this is a
bug, or i miss do something when install my environment ?
Thanks in advance.
--
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[Tim-Philipp Müller-2]

On Mon, 2010-12-27 at 07:15 -0800, stojnovsky wrote:

> gst-launch-0.10 -v filesrc location=bilqna.webm ! matroskademux name=d
> d.audio_00 ! vorbisdec ! audioconvert ! pulsesink d.video_00 ! vp8dec !
> xvimagesink

Try:

 gst-launch-0.10 playbin2 uri=file:///path/to/bilqna.webm

(the problem with your pipeline are the missing queues after the
demuxer, as already pointed out by another poster)

Cheers
 -Tim



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