From b8deb7c34f755d5e3eee0b5930c3a6ad2dda96bc Mon Sep 17 00:00:00 2001 From: Kieran Kunhya Date: Wed, 28 Oct 2015 17:01:56 +0100 Subject: [PATCH] opus: Do not call vector_fmul_scalar on zero samples The x86 variant of this function crashes in that specific case. CC: libav-devel@libav.org --- libavcodec/opusdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/opusdec.c b/libavcodec/opusdec.c index 919e5e3303..92e651c787 100644 --- a/libavcodec/opusdec.c +++ b/libavcodec/opusdec.c @@ -587,7 +587,7 @@ static int opus_decode_packet(AVCodecContext *avctx, void *data, memset(frame->extended_data[i], 0, frame->linesize[0]); } - if (c->gain_i) { + if (c->gain_i && decoded_samples > 0) { c->fdsp.vector_fmul_scalar((float*)frame->extended_data[i], (float*)frame->extended_data[i], c->gain, FFALIGN(decoded_samples, 8));