[GEM-dev] problem to play movies at normal speed with GEM objects

Jack jack at rybn.org
Sun Aug 16 02:17:03 CEST 2009


Ok, thank you for the clarifications Chris.
I haven't photo-JPEG on VLC (ubuntu 9.04), i will try later with
mencoder or imagemagick.
++

Jack


Le samedi 15 août 2009 à 19:17 -0400, chris clepper a écrit :
> On Sat, Aug 15, 2009 at 6:25 PM, Jack <jack at rybn.org> wrote:
>         So the comportment is the same under GEM ?
> 
> It really depends on the OS and API used to decode the video.
> Quicktime has similar performance using either Motion or Photo JPEG,
> and ffmpeg treats them equally well in Windows using FFDShow.  I don't
> know if libquicktime is handling these codecs on Linux or not.  
>  
>         
>         But it is better to use Photo-JPEG for scratch video for
>         example
>         (sending a float in the second inlet) ?
> 
> Use Photo-JPEG for non-interlaced sources and Motion for interlaced.
> Or deinterlace before converting to Photo.
> 
> 





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