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Diffstat (limited to 'libavformat/matroskadec.c')
-rw-r--r--libavformat/matroskadec.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index 4f1f898a54..1f96b49fc4 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -253,6 +253,7 @@ typedef struct MatroskaTrack {
uint64_t flag_comment;
uint64_t flag_hearingimpaired;
uint64_t flag_visualimpaired;
+ uint64_t flag_textdescriptions;
uint64_t seek_preroll;
MatroskaTrackVideo video;
MatroskaTrackAudio audio;
@@ -412,7 +413,7 @@ typedef struct MatroskaDemuxContext {
// incomplete type (6.7.2 in C90, 6.9.2 in C99).
// Removing the sizes breaks MSVC.
static EbmlSyntax ebml_syntax[3], matroska_segment[9], matroska_track_video_color[15], matroska_track_video[19],
- matroska_track[30], matroska_track_encoding[6], matroska_track_encodings[2],
+ matroska_track[31], matroska_track_encoding[6], matroska_track_encodings[2],
matroska_track_combine_planes[2], matroska_track_operation[2], matroska_tracks[2],
matroska_attachments[2], matroska_chapter_entry[9], matroska_chapter[6], matroska_chapters[2],
matroska_index_entry[3], matroska_index[2], matroska_tag[3], matroska_tags[2], matroska_seekhead[2],
@@ -579,6 +580,7 @@ static EbmlSyntax matroska_track[] = {
{ MATROSKA_ID_TRACKFLAGFORCED, EBML_UINT, 0, 0, offsetof(MatroskaTrack, flag_forced), { .u = 0 } },
{ MATROSKA_ID_TRACKFLAGHEARINGIMPAIRED, EBML_UINT, 0, 0, offsetof(MatroskaTrack, flag_hearingimpaired), { .u = 0 } },
{ MATROSKA_ID_TRACKFLAGVISUALIMPAIRED, EBML_UINT, 0, 0, offsetof(MatroskaTrack, flag_visualimpaired), { .u = 0 } },
+ { MATROSKA_ID_TRACKFLAGTEXTDESCRIPTIONS, EBML_UINT, 0, 0, offsetof(MatroskaTrack, flag_textdescriptions), { .u = 0 } },
{ MATROSKA_ID_TRACKVIDEO, EBML_NEST, 0, 0, offsetof(MatroskaTrack, video), { .n = matroska_track_video } },
{ MATROSKA_ID_TRACKAUDIO, EBML_NEST, 0, 0, offsetof(MatroskaTrack, audio), { .n = matroska_track_audio } },
{ MATROSKA_ID_TRACKOPERATION, EBML_NEST, 0, 0, offsetof(MatroskaTrack, operation), { .n = matroska_track_operation } },
@@ -2880,6 +2882,9 @@ static int matroska_parse_tracks(AVFormatContext *s)
}
} else if (track->type == MATROSKA_TRACK_TYPE_SUBTITLE) {
st->codecpar->codec_type = AVMEDIA_TYPE_SUBTITLE;
+
+ if (track->flag_textdescriptions)
+ st->disposition |= AV_DISPOSITION_DESCRIPTIONS;
}
}