[PD] pix_film + incrementing frame number = blurring
cgclepper at gmail.com
Mon Jul 2 23:37:25 CEST 2012
The h.264 codec is not the best one for GEM. Try converting it to Photo or
On Mon, Jul 2, 2012 at 5:19 PM, Iain Mott <mott at reverberant.com> wrote:
> 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.
> 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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