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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-09-14 03:27:25 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-09-14 03:27:25 +0200 |
| commit | 570931d411235efdefe0339bcab1ea15ae845da6 (patch) | |
| tree | 4708655c04043e837c7315e65411544335b1e896 /libavcodec/aacpsy.c | |
| parent | 413b32f80890bd6dd8820098c88f632842973d7e (diff) | |
| download | ffmpeg-streaming-570931d411235efdefe0339bcab1ea15ae845da6.zip ffmpeg-streaming-570931d411235efdefe0339bcab1ea15ae845da6.tar.gz | |
aacpsy: psy_3gpp_analyze_channel() handle energy == 0
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/aacpsy.c')
| -rw-r--r-- | libavcodec/aacpsy.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/aacpsy.c b/libavcodec/aacpsy.c index 93370b8..fa562b3 100644 --- a/libavcodec/aacpsy.c +++ b/libavcodec/aacpsy.c @@ -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]; } |
