thp->frame++;
ret = av_get_packet(pb, pkt, size);
+ if (ret < 0)
+ return ret;
if (ret != size) {
av_free_packet(pkt);
return AVERROR(EIO);
pkt->stream_index = thp->video_stream_index;
} else {
ret = av_get_packet(pb, pkt, thp->audiosize);
+ if (ret < 0)
+ return ret;
if (ret != thp->audiosize) {
av_free_packet(pkt);
return AVERROR(EIO);