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movenc: Write nero chapters

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Originally committed as revision 22927 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad 2010-04-21 06:36:05 +00:00
parent f7501a71a1
commit dc75e4e3b3
1 changed files with 29 additions and 0 deletions
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29
libavformat/movenc.c
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@ -1513,6 +1513,32 @@ static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
return updateSize(pb, pos);
}
static int mov_write_chpl_tag(ByteIOContext *pb, AVFormatContext *s)
{
int64_t pos = url_ftell(pb);
int i, nb_chapters = FFMIN(s->nb_chapters, 255);
put_be32(pb, 0); // size
put_tag (pb, "chpl");
put_be32(pb, 0x01000000); // version + flags
put_be32(pb, 0); // unknown
put_byte(pb, nb_chapters);
for (i = 0; i < nb_chapters; i++) {
AVChapter *c = s->chapters[i];
AVMetadataTag *t;
put_be64(pb, av_rescale_q(c->start, c->time_base, (AVRational){1,10000000}));
if ((t = av_metadata_get(c->metadata, "title", NULL, 0))) {
int len = FFMIN(strlen(t->value), 255);
put_byte(pb, len);
put_buffer(pb, t->value, len);
} else
put_byte(pb, 0);
}
return updateSize(pb, pos);
}
static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov,
AVFormatContext *s)
{
@ -1551,6 +1577,9 @@ static int mov_write_udta_tag(ByteIOContext *pb, MOVMuxContext *mov,
mov_write_meta_tag(pb_buf, mov, s);
}
if (s->nb_chapters)
mov_write_chpl_tag(pb_buf, s);
if ((size = url_close_dyn_buf(pb_buf, &buf)) > 0) {
put_be32(pb, size+8);
put_tag(pb, "udta");