[gstreamer-bugs] [Bug 162656] rhythmbox library does not display track numbers for AAC/M4A

bugzilla-daemon at bugzilla.gnome.org bugzilla-daemon at bugzilla.gnome.org
Sat Jan 1 12:40:15 PST 2005


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 http://bugzilla.gnome.org/show_bug.cgi?id=162656
 GStreamer | gst-plugins | Ver: 0.8.8





------- Additional Comments From rbultje at ronald.bitfreak.net  2005-01-01 15:40 -------
Thanks for the file, it worked fine. This is the tags we currently support:

          titel: Mechanical Mausoleum
          album: Hellboy (Extended)

In the file, I see:

000021D0   77 75 64 74  61 00 00 09  6F 6D 65 74  61 00 00 00  wudta...ometa...
000021E0   00 00 00 00  22 68 64 6C  72 00 00 00  00 00 00 00  ...."hdlr.......
000021F0   00 6D 64 69  72 61 70 70  6C 00 00 00  00 00 00 00  .mdirappl.......
00002200   00 00 00 00  00 03 28 69  6C 73 74 00  00 00 2C A9  ......(ilst...,.
00002210   6E 61 6D 00  00 00 24 64  61 74 61 00  00 00 01 00  nam...$data.....
00002220   00 00 00 4D  65 63 68 61  6E 69 63 61  6C 20 4D 61  ...Mechanical Ma
00002230   75 73 6F 6C  65 75 6D 00  00 00 26 A9  77 72 74 00  usoleum...&.wrt.
00002240   00 00 1E 64  61 74 61 00  00 00 01 00  00 00 00 4D  ...data........M
00002250   61 72 63 6F  20 42 65 6C  74 72 61 6D  69 00 00 00  arco Beltrami...
00002260   2A A9 61 6C  62 00 00 00  22 64 61 74  61 00 00 00  *.alb..."data...
00002270   01 00 00 00  00 48 65 6C  6C 62 6F 79  20 28 45 78  .....Hellboy (Ex
00002280   74 65 6E 64  65 64 29 00  00 00 1A 67  6E 72 65 00  tended)....gnre.
00002290   00 00 12 64  61 74 61 00  00 00 00 00  00 00 00 00  ...data.........
000022A0   19 00 00 00  20 74 72 6B  6E 00 00 00  18 64 61 74  .... trkn....dat
000022B0   61 00 00 00  00 00 00 00  00 00 00 00  12 00 16 00  a...............
000022C0   00 00 00 00  1C A9 64 61  79 00 00 00  14 64 61 74  ......day....dat
000022D0   61 00 00 00  01 00 00 00  00 32 30 30  34 00 00 00  a........2004...
000022E0   19 63 70 69  6C 00 00 00  11 64 61 74  61 00 00 00  .cpil....data...
000022F0   15 00 00 00  00 00 00 00  00 1A 74 6D  70 6F 00 00  ..........tmpo..
00002300   00 12 64 61  74 61 00 00  00 15 00 00  00 00 00 00  ..data..........
00002310   00 00 00 34  A9 74 6F 6F  00 00 00 2C  64 61 74 61  ...4.too...,data
00002320   00 00 00 01  00 00 00 00  69 54 75 6E  65 73 20 76  ........iTunes v
00002330   34 2E 37 2C  20 51 75 69  63 6B 54 69  6D 65 20 36  4.7, QuickTime 6
00002340   2E 35 2E 32  00 00 00 A2  2D 2D 2D 2D  00 00 00 1C  .5.2....----....
00002350   6D 65 61 6E  00 00 00 00  63 6F 6D 2E  61 70 70 6C  mean....com.appl
00002360   65 2E 69 54  75 6E 65 73  00 00 00 14  6E 61 6D 65  e.iTunes....name
00002370   00 00 00 00  69 54 75 6E  4E 4F 52 4D  00 00 00 6A  ....iTunNORM...j
00002380   64 61 74 61  00 00 00 01  00 00 00 00  20 30 30 30  data........ 000
00002390   30 30 43 44  41 20 30 30  30 30 30 38  46 46 20 30  00CDA 000008FF 0
000023A0   30 30 30 33  43 30 41 20  30 30 30 30  32 34 46 43  0003C0A 000024FC
000023B0   20 30 30 30  30 38 44 30  45 20 30 30  30 30 34 41   00008D0E 00004A
000023C0   44 37 20 30  30 30 30 38  30 30 30 20  30 30 30 30  D7 00008000 0000
000023D0   37 46 39 41  20 30 30 30  30 31 35 41  37 20 30 30  7F9A 000015A7 00
000023E0   30 30 30 45  44 33 00 00  00 EC 2D 2D  2D 2D 00 00  000ED3....----..
000023F0   00 1C 6D 65  61 6E 00 00  00 00 63 6F  6D 2E 61 70  ..mean....com.ap
00002400   70 6C 65 2E  69 54 75 6E  65 73 00 00  00 19 6E 61  ple.iTunes....na
00002410   6D 65 00 00  00 00 69 54  75 6E 65 73  5F 43 44 44  me....iTunes_CDD
00002420   42 5F 31 00  00 00 AF 64  61 74 61 00  00 00 01 00  B_1....data.....
00002430   00 00 00 34  34 30 43 36  35 31 36 2B  32 33 38 31  ...440C6516+2381
00002440   38 36 2B 32  32 2B 31 35  30 2B 36 30  39 33 2B 31  86+22+150+6093+1
00002450   32 39 35 33  2B 31 38 32  33 36 2B 32  39 31 39 38  2953+18236+29198
00002460   2B 34 34 35  34 33 2B 36  31 33 31 39  2B 37 32 35  +44543+61319+725
00002470   37 38 2B 37  39 37 39 32  2B 38 35 34  33 33 2B 31  78+79792+85433+1
00002480   30 30 36 34  36 2B 31 31  33 32 34 35  2B 31 32 32  00646+113245+122
00002490   33 38 39 2B  31 33 31 38  39 33 2B 31  34 36 35 33  389+131893+14653
000024A0   31 2B 31 35  38 38 38 39  2B 31 37 34  33 38 37 2B  1+158889+174387+
000024B0   31 38 31 31  31 37 2B 31  38 34 34 36  33 2B 32 30  181117+184463+20
000024C0   30 34 35 36  2B 32 31 32  31 38 36 2B  32 32 34 38  0456+212186+2248
000024D0   30 32 00 00  00 59 2D 2D  2D 2D 00 00  00 1C 6D 65  02...Y----....me
000024E0   61 6E 00 00  00 00 63 6F  6D 2E 61 70  70 6C 65 2E  an....com.apple.
000024F0   69 54 75 6E  65 73 00 00  00 23 6E 61  6D 65 00 00  iTunes...#name..
00002500   00 00 69 54  75 6E 65 73  5F 43 44 44  42 5F 54 72  ..iTunes_CDDB_Tr
00002510   61 63 6B 4E  75 6D 62 65  72 00 00 00  12 64 61 74  ackNumber....dat
00002520   61 00 00 00  01 00 00 00  00 31 38 00  00 06 19 66  a........18....f

The current code is fairly simplistic (see qtdemux_parse_udta()), we parse nam
(song name), art (song artist) and alb (album). Given the above, we could add
wrt (artist/writer), trkn (track number - it seems that it consists of two
integers, where the first is song number and the second is number of songs on
the album), gnre (genre, index no., probably similar to ID3), and day
(production date or so - should read the specs on that). The other tags appear
to be index numbers for iTunes, we shouldn't care too much about those, I guess.

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