From: John Stebbins <[email protected]>
QuickTime requires that the stsd.text box be completely filled in.
---
libavformat/movenc.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 9c0ab9a..ebaabcf 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -2992,12 +2992,17 @@ static void mov_create_chapter_track(AVFormatContext
*s, int tracknum)
MOVTrack *track = &mov->tracks[tracknum];
AVPacket pkt = { .stream_index = tracknum, .flags = AV_PKT_FLAG_KEY };
int i, len;
+ // These properties are required to make QT recognize the chapter track
+ uint8_t chapter_properties[43] = { 0, 0, 0, 0, 0, 0, 0, 1, };
track->mode = mov->mode;
track->tag = MKTAG('t','e','x','t');
track->timescale = MOV_TIMESCALE;
track->enc = avcodec_alloc_context3(NULL);
track->enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
+ track->enc->extradata = av_malloc(sizeof(chapter_properties));
+ track->enc->extradata_size = sizeof(chapter_properties);
+ memcpy(track->enc->extradata, chapter_properties,
sizeof(chapter_properties));
for (i = 0; i < s->nb_chapters; i++) {
AVChapter *c = s->chapters[i];
@@ -3453,8 +3458,10 @@ static int mov_write_trailer(AVFormatContext *s)
mov_write_mfra_tag(pb, mov);
}
- if (mov->chapter_track)
+ if (mov->chapter_track) {
+ av_free(mov->tracks[mov->chapter_track].enc->extradata);
av_freep(&mov->tracks[mov->chapter_track].enc);
+ }
for (i = 0; i < mov->nb_streams; i++) {
if (mov->tracks[i].tag == MKTAG('r','t','p',' '))
--
1.8.3.1
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