[gst-devel] Fast AVI video speed

[Arnout Vandecappelle]

On Friday 08 May 2009 12:02:57 ldac wrote:
>     Now, I have "the last" problem with the video speed when I play it
> using VLC or any other player. I am recording a chronometer count of around
> 13 seconds, but when I play the file, it is played in less than 7 seconds!!
> I enclose the avi file, just as help.
>
>      The pipeline that I am running is the following. I have added as many
> elements as I know to control de frame rate, but nothing works.
>
>  gst-launch-0.10 mfw_v4lsrc capture-width=640 capture-height=480
> num-buffers=200 ! 'video/x-raw-yuv,framerate=25/1' ! mfw_vpuencoder
> framerate=25 width=640 height=480 codec-type=std_mpeg4 ! queue ! avimux !
> filesink location=fast.avi

 I guess your source element is not really grabbing frames at 25fps.  Indeed, 
since you limit the capturing to 200 frames, this should be 8 seconds, not 
13...  I guess mfw_vpuencoder doesn't look at timestamps, just at framerate.

 You can probably solve this by adding a videorate element before the encoder.

 Regards,
 Arnout

-- 
Arnout Vandecappelle                               arnout at mind be
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