[gst-devel] H264 problems

[Andoni Morales]

2010/3/16 Martin <martin.secundario at googlemail.com>:
> Hi,
>
> I've created the following pipeline:
>
> gst-launch-0.10 -v dv1394src ! queue ! dvdemux name=d d. ! queue ! dvdec
> ! "video/x-raw-yuv, format=(fourcc)YUY2, width=(int)720,
> height=(int)576, framerate=(fraction)25/1,
> pixel-aspect-ratio=(fraction)59/54, interlaced=(boolean)true" ! queue !
> deinterlace ! queue ! ffmpegcolorspace ! "video/x-raw-yuv,
> format=(fourcc)I420, width=(int)720, height=(int)576,
> framerate=(fraction)50/1, pixel-aspect-ratio=(fraction)59/54" ! queue !
> videorate ! queue ! videoscale ! "video/x-raw-yuv, format=(fourcc)I420,
> width=(int)720, height=(int)576, framerate=(fraction)25/1,
> pixel-aspect-ratio=(fraction)59/54" ! queue ! x264enc bitrate=50 ! queue
> ! ffdec_h264 ! xvimagesink sync=false
>
> However, it's not working properly because if I increase the
> bitrate/resolution/frame rate the video is slower than it shoud. I mean
> what a video should take 10 seconds to play it takes 13 seconds.
There is a bug in the dv1394src element clock which make it  a 30%
faster than what it should be.
There is an opened bug[1] related to the issue and I already proposed
a patch to fix it. I would be nice if you could test it to double
check that it fixes the bug :)
Cheers,
Andoni

[1]https://bugzilla.gnome.org/show_bug.cgi?id=593910
>
> I don't know why but when I use my capture card instead of the firewire
> source everything works nicely.
>
> Any ideas?
>
> Thank you.
>
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-- 
Andoni Morales Alastruey

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