[FFmpeg-soc] [soc]: r2036 - aac/aac.c

Andreas Öman andreas at olebyn.nu
Tue Mar 25 16:47:34 CET 2008


andoma wrote:
> Author: andoma
> Date: Tue Mar 25 16:33:44 2008
> New Revision: 2036
> 
> Log:
> Correctly decode intensity stereo when in short window mode.

This (and the previous commit) squashes the last bug i've seen
with the reference streams:

Output from tiny_psnr:

al00_48.mp4:  stddev:  0.70 PSNR:99.34 bytes:716800
al01_48.mp4:  stddev:  0.69 PSNR:99.43 bytes:786432
al02_48.mp4:  stddev:  0.69 PSNR:99.42 bytes:786432
al03_48.mp4:  stddev:  0.69 PSNR:99.43 bytes:786432
al04_48.mp4:  stddev:  0.69 PSNR:99.44 bytes:786432
al05_48.mp4:  stddev:  0.70 PSNR:99.36 bytes:1417216

There are other reference streams available, but some of their wav
counterpart does not match the number of channels (?), others
utilize noise substitution so it won't be of any interest
to to any PSNR measurements.

Thus, I'm quite satisfied with this.




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