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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
This commit is contained in:
Kieran Kunhya 2015-10-28 17:01:56 +01:00 committed by Luca Barbato
parent 6dcd822904
commit b8deb7c34f
1 changed files with 1 additions and 1 deletions
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libavcodec/opusdec.c
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@ -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));