aacpsy: psy_3gpp_analyze_channel() handle energy == 0

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-09-14 03:27:25 +02:00
parent 413b32f808
commit 570931d411
1 changed files with 1 additions and 1 deletions

View File

@ -588,7 +588,7 @@ static void psy_3gpp_analyze_channel(FFPsyContext *ctx, int channel,
form_factor += sqrtf(fabs(coefs[start+i]));
}
band->thr = band->energy * 0.001258925f;
band->nz_lines = form_factor / powf(band->energy / band_sizes[g], 0.25f);
band->nz_lines = band->energy>0 ? form_factor / powf(band->energy / band_sizes[g], 0.25f) : 0;
start += band_sizes[g];
}