if (s->flags & FLAG_SPRITE) {
av_log_ask_for_sample(s->avctx, "SPRITE frame found.\n");
/* FIXME header.width, height, xoffset and yoffset aren't initialized */
- return -1;
+ return AVERROR_PATCHWELCOME;
} else {
s->w = header.xsize;
s->h = header.ysize;