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support for 3gp metadata

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Originally committed as revision 13746 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2008-06-11 09:40:22 +00:00
parent 07b7b06d92
commit c6e2c6c9c6
1 changed files with 30 additions and 2 deletions
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32
libavformat/movenc.c
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@ -1216,6 +1216,26 @@ static uint16_t language_code(const char *str)
return (((str[0]-0x60) & 0x1F) << 10) + (((str[1]-0x60) & 0x1F) << 5) + ((str[2]-0x60) & 0x1F);
}
static int mov_write_3gp_udta_tag(ByteIOContext *pb, AVFormatContext *s,
const char *tag, const char *str)
{
offset_t pos = url_ftell(pb);
if (!utf8len(str))
return 0;
put_be32(pb, 0); /* size */
put_tag (pb, tag); /* type */
put_be32(pb, 0); /* version + flags */
if (!strcmp(tag, "yrrc"))
put_be16(pb, s->year);
else {
put_be16(pb, language_code("eng")); /* language */
ascii_to_wc(pb, str);
if (!strcmp(tag, "albm") && s->year)
put_byte(pb, s->year);
}
return updateSize(pb, pos);
}
static int mov_write_udta_tag(ByteIOContext *pb, MOVContext *mov,
AVFormatContext *s)
{
@ -1235,6 +1255,14 @@ static int mov_write_udta_tag(ByteIOContext *pb, MOVContext *mov,
put_be32(pb, 0); /* size */
put_tag(pb, "udta");
if (mov->mode == MODE_3GP || mov->mode == MODE_3G2) {
mov_write_3gp_udta_tag(pb, s, "titl", s->title);
mov_write_3gp_udta_tag(pb, s, "auth", s->author);
mov_write_3gp_udta_tag(pb, s, "gnre", s->genre);
mov_write_3gp_udta_tag(pb, s, "dscp", s->comment);
mov_write_3gp_udta_tag(pb, s, "albm", s->album);
mov_write_3gp_udta_tag(pb, s, "yrrc", "nil");
} else {
/* iTunes meta data */
mov_write_meta_tag(pb, mov, s);
@ -1247,7 +1275,7 @@ static int mov_write_udta_tag(ByteIOContext *pb, MOVContext *mov,
mov_write_string_tag(pb, "\251des", s->comment , 0);
mov_write_string_tag(pb, "\251gen", s->genre , 0);
}
}
return updateSize(pb, pos);
}
@ -1330,7 +1358,7 @@ static int mov_write_moov_tag(ByteIOContext *pb, MOVContext *mov,
if (mov->mode == MODE_PSP)
mov_write_uuidusmt_tag(pb, s);
else if (mov->mode != MODE_3GP && mov->mode != MODE_3G2)
else
mov_write_udta_tag(pb, mov, s);
return updateSize(pb, pos);