[FFmpeg-cvslog] r18860 - in trunk/libavcodec: ac3dec.c ac3dec_data.c ac3dec_data.h eac3dec.c

[Justin Ruggles]

Michael Niedermayer wrote:
> On Sun, May 17, 2009 at 08:53:27AM +0200, jbr wrote:
>> Author: jbr
>> Date: Sun May 17 08:53:24 2009
>> New Revision: 18860
>>
>> Log:
>> eac3dec: use 16-bit pre-mantissas instead of 24-bit in AHT decoding. it is
>> simpler and also fixes a bug in GAQ dequantization.
> 
> are you sure 16bit precission is enough for that?
> what effect does this compared to double precission floats have on the
> PSNR ?

stddev:    7.95 PSNR: 78.30 bytes:  3999744/  3999744

I think 16-bit is enough.

-Justin