} else if (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
st->codecpar->codec_tag == ID_ANIM) {
uint64_t data_size, orig_pos;
- uint32_t chunk_id = 0;
+ uint32_t chunk_id, chunk_id2;
while (!avio_feof(pb)) {
if (avio_feof(pb))
return AVERROR_EOF;
+ orig_pos = avio_tell(pb);
chunk_id = avio_rl32(pb);
data_size = avio_rb32(pb);
- orig_pos = avio_tell(pb);
+ chunk_id2 = avio_rl32(pb);
- if (chunk_id == ID_FORM)
+ if (chunk_id == ID_FORM &&
+ chunk_id2 == ID_ILBM) {
+ avio_skip(pb, -4);
break;
- else
+ } else if (chunk_id == ID_FORM &&
+ chunk_id2 == ID_ANIM) {
+ continue;
+ } else {
avio_skip(pb, data_size);
+ }
}
ret = av_get_packet(pb, pkt, data_size);
pkt->pos = orig_pos;