The h.264 codec is not the best one for GEM. Try converting it to Photo or Motion JPEG.
Forgot to mention i'm using Ubuntu 11.10 and the video files are 30 fps
with the codec H.264 / AVC
Also, while sending an "auto 1" message to pix_film gives smooth
playback, the file plays perhaps 30% slow. This doesn't seem to be a CPU
issue as the cpu is running between 20 and 30% while playing the file.
Iain
On Mon, 2012-07-02 at 17:14 -0300, Iain Mott wrote:
> Hi list,
>
> I have a patch that syncs multi-channel audio with video by passing
> frame numbers to pix_film. These frame numbers are generated by the
> audio playback. With HD video however and scenes including smooth
> movements, the image becomes a little jittery and a bit blurred. I tried
> completely disabling the audio but it made no effect. When audio is
> enabled and I run the pix_film with an "auto 1" message, playback is
> excellent.
>
> I'll experiment now to see if lip-sync can be maintained without propper
> frame-sync, since my clips have at maximum 3min duration.
>
> I'm wondering though if anyone else had come across this blurring?
>
> I'm using by the way, a heavily butchered version of Hans-Christoph's
> framesync (and an old version of it). However, even if don't use the
> framesync patches and pass a frame count generated with metro and a
> counter at the correct rate of 30fps - the blurring still happens.
>
> Suggestions most welcome!
>
> Cheers,
>
> Iain
>
>
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