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movenc: Addtion of \251cmt field to udta 

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 {