diff options
author | Clément Bœsch <clement.boesch@smartjog.com> | 2012-06-04 14:06:23 +0400 |
---|---|---|
committer | Clément Bœsch <ubitux@gmail.com> | 2012-06-11 09:40:58 +0400 |
commit | 20e46aafbd27e2bcd51fb5310757ee920e258634 (patch) | |
tree | 753059fd81b4fc4850785c1f684540ccd32cdca3 /libavformat | |
parent | 1ec23d9c02079bae2ee02a3efe7da6f628781f82 (diff) |
mov: export orphan tmcd track metadata to global format metadata.
Diffstat (limited to 'libavformat')
-rw-r--r-- | libavformat/mov.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c index 3ac1230b23..5eeb3571f5 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -2872,6 +2872,42 @@ static int mov_read_close(AVFormatContext *s) return 0; } +static int tmcd_is_referenced(AVFormatContext *s, int tmcd_id) +{ + int i, j; + + for (i = 0; i < s->nb_streams; i++) { + AVStream *st = s->streams[i]; + MOVStreamContext *sc = st->priv_data; + + if (s->streams[i]->codec->codec_type != AVMEDIA_TYPE_VIDEO) + continue; + for (j = 0; j < sc->trefs_count; j++) + if (tmcd_id == sc->trefs[j]) + return 1; + } + return 0; +} + +/* look for a tmcd track not referenced by any video track, and export it globally */ +static void export_orphan_timecode(AVFormatContext *s) +{ + int i; + + for (i = 0; i < s->nb_streams; i++) { + AVStream *st = s->streams[i]; + + if (st->codec->codec_tag == MKTAG('t','m','c','d') && + !tmcd_is_referenced(s, i + 1)) { + AVDictionaryEntry *tcr = av_dict_get(st->metadata, "timecode", NULL, 0); + if (tcr) { + av_dict_set(&s->metadata, "timecode", tcr->value, 0); + break; + } + } + } +} + static int mov_read_header(AVFormatContext *s) { MOVContext *mov = s->priv_data; @@ -2922,6 +2958,7 @@ static int mov_read_header(AVFormatContext *s) av_dict_set(&st->metadata, "timecode", tcr->value, 0); } } + export_orphan_timecode(s); if (mov->trex_data) { for (i = 0; i < s->nb_streams; i++) { |