loops for ffmpeg CLI in python

[Albert Hopkins]

On Wed, 2009-08-12 at 11:29 +0200, fakhar Gillani wrote:
>  
> Hi,
>  
> I am a begineer in Python. Actually I am encoding video files with
> different bitrates using ffmpeg CLI. I wanted to ask you that how can
> I make loops so that I can vary the bitrates in the CLI of ffmpeg??
>  
> I want to bulid a loop for the command below where i just want to vary
> the -vb parameter i.e. 10M. 
>  
> ffmpeg.exe -i sample.avi -y -f h264 -vb 10M -r 25
> encoded_1000_0-05.h264
>  
> I have tried to make simple loops but it doest work:(
>  
> Can anyone here help me out?

It might help if you specify what you tried and why it didn't work (for
you).

-a