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| author | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2021-02-16 15:53:25 +0100 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2021-02-22 03:57:52 +0100 |
| commit | 3ac5530244a87612475d420e118e832efaa50478 (patch) | |
| tree | e87758882d85d7969aac6f97b103b45028258976 | |
| parent | e8f390160438923ae2dadfe1dc44bb3211a587ee (diff) | |
| download | ffmpeg-3ac5530244a87612475d420e118e832efaa50478.tar.gz | |
avformat/matroskaenc: Don't write empty language
According to the new EBML specifications, a string element of length
zero would be read as the default value by a compliant parser.
Reviewed-by: Ridley Combs <rcombs@rcombs.me>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
| -rw-r--r-- | libavformat/matroskaenc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index 233c472b8f..6c8c7130c0 100644 --- a/libavformat/matroskaenc.c +++ b/libavformat/matroskaenc.c @@ -1147,7 +1147,7 @@ static int mkv_write_track(AVFormatContext *s, MatroskaMuxContext *mkv, put_ebml_string(pb, MATROSKA_ID_TRACKNAME, tag->value); tag = av_dict_get(st->metadata, "language", NULL, 0); put_ebml_string(pb, MATROSKA_ID_TRACKLANGUAGE, - tag && tag->value ? tag->value : "und"); + tag && tag->value[0] ? tag->value : "und"); // The default value for TRACKFLAGDEFAULT is 1, so add element // if we need to clear it. |