diff options
Diffstat (limited to 'libavformat')
-rw-r--r-- | libavformat/iff.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/libavformat/iff.c b/libavformat/iff.c index f3db282..275710b 100644 --- a/libavformat/iff.c +++ b/libavformat/iff.c @@ -834,20 +834,27 @@ static int iff_read_packet(AVFormatContext *s, } 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; |