This avoids a null pointer dereference of pkt->data.
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit
7faa40af982960608b117e20fec999b48011e5e0)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
AVCodecContext *avctx = s->streams[0]->codec;
int ret, size;
+ if (avctx->channels <= 0) {
+ av_log(s, AV_LOG_ERROR, "invalid number of channels %d\n", avctx->channels);
+ return AVERROR_INVALIDDATA;
+ }
+
size = BLOCK_SIZE * avctx->channels;
pkt->pos = avio_tell(s->pb);