[Ffmpeg-devel] vbr audio

Rich Felker dalias
Wed Aug 10 13:13:25 CEST 2005


On Wed, Aug 10, 2005 at 12:28:18AM -0400, Justin Ruggles wrote:
> OK, so now I feel like I'm posting way too much, but I really need some
> input on this one before I get in too deep.  I'm implementing an option
> for ffmpeg that allows encoding vbr audio.  My current plan is to use
> '-aq' for audio quality.
> 
> The only oddity is that the scale is not even close to uniform between
> codecs.  Should I make a uniform scale unique to FFmpeg or just put in a
> warning that it is codec specific and use bounds checks in each encoder?
>  For example, oggenc uses 0 (low) to 10 (high), lame uses 0 (high) to 9

oggenc uses -1.0 to 10.0 (note the floating point scale too :( ).

rich





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