RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

8svx: ensure that packet size is multiple of channels. 

Fix an assert failure with packets of invalid size.
This commit is contained in:
Nicolas George 2012-07-31 23:45:16 +02:00
parent d1ebb25ac6
commit 6eee9f5596
1 changed files with 8 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
libavcodec/8svx.c
View File

@ -112,9 +112,16 @@ static int eightsvx_decode_frame(AVCodecContext *avctx, void *data,
/* decode and interleave the first packet */
if (!esc->samples && avpkt) {
uint8_t *deinterleaved_samples, *p = NULL;
int packet_size = avpkt->size;
if (packet_size % avctx->channels) {
av_log(avctx, AV_LOG_WARNING, "Packet with odd size, ignoring last byte\n");
if (packet_size < avctx->channels)
return packet_size;
packet_size -= packet_size % avctx->channels;
}
esc->samples_size = !esc->table ?
avpkt->size : avctx->channels + (avpkt->size-avctx->channels) * 2;
packet_size : avctx->channels + (packet_size-avctx->channels) * 2;
if (!(esc->samples = av_malloc(esc->samples_size)))
return AVERROR(ENOMEM);