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opusenc_psy: disable stereo searches for mono streams 

Fixes a crash which happened when someone tried to encode mono.

Signed-off-by: Rostislav Pehlivanov <atomnuker@gmail.com>
This commit is contained in:
Rostislav Pehlivanov 2018-01-04 02:52:40 +00:00
parent c29038f304
commit f141b353e6
1 changed files with 7 additions and 0 deletions
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7
libavcodec/opusenc_psy.c
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@ -383,6 +383,10 @@ static void celt_search_for_dual_stereo(OpusPsyContext *s, CeltFrame *f)
{ {
float td1, td2; float td1, td2;
f->dual_stereo = 0; f->dual_stereo = 0;
if (s->avctx->channels < 2)
return;
bands_dist(s, f, &td1); bands_dist(s, f, &td1);
f->dual_stereo = 1; f->dual_stereo = 1;
bands_dist(s, f, &td2); bands_dist(s, f, &td2);
@ -396,6 +400,9 @@ static void celt_search_for_intensity(OpusPsyContext *s, CeltFrame *f)
int i, best_band = CELT_MAX_BANDS - 1; int i, best_band = CELT_MAX_BANDS - 1;
float dist, best_dist = FLT_MAX; float dist, best_dist = FLT_MAX;
if (s->avctx->channels < 2)
return;
/* TODO: fix, make some heuristic up here using the lambda value */ /* TODO: fix, make some heuristic up here using the lambda value */
float end_band = 0; float end_band = 0;