diff options
Diffstat (limited to 'libavformat/matroskaenc.c')
| -rw-r--r-- | libavformat/matroskaenc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c index 7123ec6c96..98fe4af291 100644 --- a/libavformat/matroskaenc.c +++ b/libavformat/matroskaenc.c @@ -874,8 +874,8 @@ static int mkv_write_track(AVFormatContext *s, MatroskaMuxContext *mkv, } } - if ((tag = av_dict_get(st->metadata, "alpha_mode", NULL, 0)) || - (tag = av_dict_get( s->metadata, "alpha_mode", NULL, 0)) || + if (((tag = av_dict_get(st->metadata, "alpha_mode", NULL, 0)) && atoi(tag->value)) || + ((tag = av_dict_get( s->metadata, "alpha_mode", NULL, 0)) && atoi(tag->value)) || (codec->pix_fmt == AV_PIX_FMT_YUVA420P)) { put_ebml_uint(pb, MATROSKA_ID_VIDEOALPHAMODE, 1); } |