[MEncoder-users] Video for YouTube, getting extremely low quality movies

[Rich Felker]

On Thu, Jan 24, 2008 at 03:59:45AM +0000, Apple7777 wrote:
> Brendan Schwartz <bschwartz <at> tropist.com> writes:
> 
> > It sounds to me like you're not going to get the quality you're
> > expecting at 250 kbps. I would suggest playing around in the 400 - 600
> > range given the output resolution of your example clip.
> > 
> 
> Thanks for answer Brandon.
> 
> I can't use higher bitrate for YouTube, because they have limit 350 Kbps. I can
> hack FLV movie to upload higher bitrate movie, but I don't want to do that.
> 
> I found reson of really bad quality - it's because video is so jerky. When I do
> not change framerate, video quality is ok.
> 
> The thing is I'd really like to change frame rate to 12-15 fps, because quality
> can be even better.
> 
> People say mencoder has no motion compensation filter, that's why movies are so
> jerky and people also say that I need to change frame rate liek this:
> 30 fps > 15 fps
> 24 fps > 12 fps
> 25 fps > 12.5 fps
> 
> I've tried this, but videos are still jerky. :(
> 
> I wonder is there any filter for mencoder that can fix it?

Low framerate is inherently crap. Don't do it. You should be able to
get perfectly good quality with 350kbit/sec at 320x240, full
framerate. If you're having trouble, you probably need to use some
denoising filters or fix up whatever is making your content consume so
much bitrate.

Rich