// QuickTime chapters involve an additional text track with the chapter names
// as samples, and a tref pointing from the other tracks to the chapter one.
-static void mov_create_chapter_track(AVFormatContext *s, int tracknum)
+static int mov_create_chapter_track(AVFormatContext *s, int tracknum)
{
MOVMuxContext *mov = s->priv_data;
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));
+ if (track->enc->extradata == NULL)
+ return AVERROR(ENOMEM);
+ 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];
av_freep(&pkt.data);
}
}
+
+ return 0;
}
static int mov_write_header(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',' '))