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movenc: Addtion of \251cmt field to udta

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Allows support of comment in udta for libquicktime, also currently \251des is used
 which is ignored by mov.c.
\251cmt IS currently already picked up by mov.c

References

libquicktime
http://libquicktime.cvs.sourceforge.net/viewvc/libquicktime/libquicktime/src/udta.c?view=markup

Also listed here:
http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/QuickTime.html#UserData

Not listed here, but that`s not entirely surprising, as udta fields are expected to be somewhat arbitary.
http://developer.apple.com/library/mac/#documentation/QuickTime/qtff/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-BBCCFFGD

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Al@dneg.com 2012-07-09 10:40:12 +01:00 committed by Michael Niedermayer
parent 36b2bd9629
commit c88a832735
1 changed files with 3 additions and 0 deletions
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3
libavformat/movenc.c
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@ -2078,7 +2078,10 @@ static int mov_write_udta_tag(AVIOContext *pb, MOVMuxContext *mov,
mov_write_string_metadata(s, pb_buf, "\251alb", "album" , 0);
mov_write_string_metadata(s, pb_buf, "\251day", "date" , 0);
mov_write_string_metadata(s, pb_buf, "\251swr", "encoder" , 0);
// currently ignored by mov.c
mov_write_string_metadata(s, pb_buf, "\251des", "comment" , 0);
// add support for libquicktime, this atom is also actually read by mov.c
mov_write_string_metadata(s, pb_buf, "\251cmt", "comment" , 0);
mov_write_string_metadata(s, pb_buf, "\251gen", "genre" , 0);
mov_write_string_metadata(s, pb_buf, "\251cpy", "copyright" , 0);
} else {