[Ffmpeg-devel] [RFC] rms calculator

[Michael Niedermayer]

Hi

On Mon, Mar 27, 2006 at 10:20:31AM +0000, Benjamin Larsson wrote:
> Michael Niedermayer wrote:
> 
> Hi.
> 
> >tiny_psnr isnt good enough?
> >  
> >
> Well the idea was to use the same type of metric test that ISO/IEC uses
> for audio codecs. I'm sure that it would be possible to use psnr and try
> to give some meaning to those values. I just wanted to have software
> that can calculate the compliance for mpeg layer 3 as defined in
> **ISO/IEC 13818-4.
> <http://neuron2.net/library/mpeg2/iso138184.pdf>

then why not add 2 lines of code to tiny_psnr to print this metric?


> 
> >[...]
> >ugh, you know this isnt portable ...
> >  
> >
> It will be fixed if it is ok to add this to ffmpeg.

the question is why do you even need to read the headers?
16bit data: yes
stereo / mono: will match
...


[...]

-- 
Michael