diff --git a/libavformat/dhav.c b/libavformat/dhav.c index 00e0d8476e..6a6c235e65 100644 --- a/libavformat/dhav.c +++ b/libavformat/dhav.c @@ -173,18 +173,9 @@ static int read_chunk(AVFormatContext *s) if (avio_feof(s->pb)) return AVERROR_EOF; - if (avio_rl32(s->pb) != MKTAG('D','H','A','V') && dhav->last_good_pos < INT64_MAX - 0x8000) { - dhav->last_good_pos += 0x8000; - avio_seek(s->pb, dhav->last_good_pos, SEEK_SET); - - while (avio_rl32(s->pb) != MKTAG('D','H','A','V')) { - if (avio_feof(s->pb) || dhav->last_good_pos >= INT64_MAX - 0x8000) - return AVERROR_EOF; - dhav->last_good_pos += 0x8000; - ret = avio_skip(s->pb, 0x8000 - 4); - if (ret < 0) - return ret; - } + while (avio_r8(s->pb) != 'D' || avio_r8(s->pb) != 'H' || avio_r8(s->pb) != 'A' || avio_r8(s->pb) != 'V') { + if (avio_feof(s->pb)) + return AVERROR_EOF; } start = avio_tell(s->pb) - 4;