frame_num, sample_time);
if (frame_num < r3d->video_offsets_count) {
- avio_seek(s->pb, r3d->video_offsets_count, SEEK_SET);
+ if (avio_seek(s->pb, r3d->video_offsets_count, SEEK_SET) < 0)
+ return -1;
} else {
av_log(s, AV_LOG_ERROR, "could not seek to frame %d\n", frame_num);
return -1;