diff options
Diffstat (limited to 'libavformat/matroskadec.c')
| -rw-r--r-- | libavformat/matroskadec.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c index 3abdf01374..b97189e674 100644 --- a/libavformat/matroskadec.c +++ b/libavformat/matroskadec.c @@ -1390,7 +1390,10 @@ static int ebml_parse(MatroskaDemuxContext *matroska, matroska->cues_parsing_deferred = 0; if (syntax->type == EBML_LEVEL1 && (level1_elem = matroska_find_level1_elem(matroska, syntax->id))) { - if (level1_elem->parsed) + if (!level1_elem->pos) { + // Zero is not a valid position for a level 1 element. + level1_elem->pos = pos; + } else if (level1_elem->pos != pos) av_log(matroska->ctx, AV_LOG_ERROR, "Duplicate element\n"); level1_elem->parsed = 1; } |