From f141b353e60f1081185927a1e74a9ab46cae8bef Mon Sep 17 00:00:00 2001 From: Rostislav Pehlivanov Date: Thu, 4 Jan 2018 02:52:40 +0000 Subject: [PATCH] opusenc_psy: disable stereo searches for mono streams Fixes a crash which happened when someone tried to encode mono. Signed-off-by: Rostislav Pehlivanov --- libavcodec/opusenc_psy.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/libavcodec/opusenc_psy.c b/libavcodec/opusenc_psy.c index 50890c65d6..b712603344 100644 --- a/libavcodec/opusenc_psy.c +++ b/libavcodec/opusenc_psy.c @@ -383,6 +383,10 @@ static void celt_search_for_dual_stereo(OpusPsyContext *s, CeltFrame *f) { float td1, td2; f->dual_stereo = 0; + + if (s->avctx->channels < 2) + return; + bands_dist(s, f, &td1); f->dual_stereo = 1; 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; float dist, best_dist = FLT_MAX; + if (s->avctx->channels < 2) + return; + /* TODO: fix, make some heuristic up here using the lambda value */ float end_band = 0;