diff options
| -rw-r--r-- | libavformat/matroskaenc.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index 6252de8..ddac2d3 100644 --- a/libavformat/matroskaenc.c +++ b/libavformat/matroskaenc.c @@ -1559,20 +1559,23 @@ static int mkv_write_header(AVFormatContext *s) if ((tag = av_dict_get(s->metadata, "title", NULL, 0))) put_ebml_string(pb, MATROSKA_ID_TITLE, tag->value); if (!(s->flags & AVFMT_FLAG_BITEXACT)) { - uint32_t segment_uid[4]; - AVLFG lfg; - - av_lfg_init(&lfg, av_get_random_seed()); - - for (i = 0; i < 4; i++) - segment_uid[i] = av_lfg_get(&lfg); - put_ebml_string(pb, MATROSKA_ID_MUXINGAPP, LIBAVFORMAT_IDENT); if ((tag = av_dict_get(s->metadata, "encoding_tool", NULL, 0))) put_ebml_string(pb, MATROSKA_ID_WRITINGAPP, tag->value); else put_ebml_string(pb, MATROSKA_ID_WRITINGAPP, LIBAVFORMAT_IDENT); - put_ebml_binary(pb, MATROSKA_ID_SEGMENTUID, segment_uid, 16); + + if (mkv->mode != MODE_WEBM) { + uint32_t segment_uid[4]; + AVLFG lfg; + + av_lfg_init(&lfg, av_get_random_seed()); + + for (i = 0; i < 4; i++) + segment_uid[i] = av_lfg_get(&lfg); + + put_ebml_binary(pb, MATROSKA_ID_SEGMENTUID, segment_uid, 16); + } } else { const char *ident = "Lavf"; put_ebml_string(pb, MATROSKA_ID_MUXINGAPP , ident); |
