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authorMichael Giacomelli <giac2000@hotmail.com>2010-05-15 21:54:24 +0000
committerMichael Giacomelli <giac2000@hotmail.com>2010-05-15 21:54:24 +0000
commit52d9d0d006a0067095b29b92904a3dcde8119413 (patch)
tree1d9d0660e39130a95c5f5df1fb36cca150479b70
parentedb6bedddb9bfb9838631a2ac99f8d92fc6daa67 (diff)
downloadrockbox-52d9d0d006a0067095b29b92904a3dcde8119413.tar.gz
rockbox-52d9d0d006a0067095b29b92904a3dcde8119413.zip
Remove outdated NODO list from the docs folder. Replace it with a link to the wiki.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26070 a1c6a512-1295-4272-9138-f99709370657
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1Q1. What is this NODO document? 1A current list of the features we will not implement is kept on the wiki:
2A1. This is a list of Feature Requests we get repeatedly that we simply
3 cannot do on the Archos. View it as the opposite of a TODO!
4 2
5Q2. Record to WAV (uncompressed) or MP3pro format! 3http://www.rockbox.org/wiki/NoDo
6A2. The recording hardware (the MAS) does not allow us to do this.
7 4
8Q3. Crossfade between tracks! 5Additional information is available here:
9A3. Crossfading would require two mp3 decoders, and we only have one. This
10 is not possible.
11 6
12Q4. Interfacing with other USB devices (like cameras) or 2 player games over 7http://www.rockbox.org/wiki/NoDoDiscussion \ No newline at end of file
13 USB
14A4. The USB system demands that there is a master that talks to a slave.
15 The Archos can only serve as a slave, as most other USB devices such
16 as cameras can. Thus, without a master no communication between the slaves
17 can take place.
18
19 If that is not enough, we have no ways of actually controlling the
20 communication performed over USB since the USB circuit in the Archos is
21 strictly made for disk-access and does not allow us to play with it the
22 way we'd need for any good communication to work.
23
24Q5. Support MP3pro, WMA or other sound format playback!
25A5. The mp3-decoding hardware can only play MP3. We cannot make it play other
26 sound formats.
27
28Q6. Converting OGG->MP3
29A6. The mp3-decoding hardware cannot decode ogg. It can be reprogrammed, but
30 there is too little memory for OGG and we have no documentation on how
31 to program the MAS' DSP.
32
33 Doing the conversion with the CPU is impossible, since a 12MHz SH1 is far
34 too slow for this daunting task.
35
36Q7. Archos Multimedia support!
37A7. The Archos Multimedia is a completely different beast. It is an entirely
38 different architecture, differnt CPU and upgrading the software is done a
39 completely different way. We do not venture into this.
40
41 Others may do so. We do not.
42
43Q8. Multi-band equalizer!
44A8. The MAS only offers the standard bass/treble settings and we can't do
45 anything about it.
46
47Q9. Support other filesystems than FAT32 (like NTFS or ext2 or whatever)!
48A9. No.
49
50 Rockbox needs to support FAT32 since it can only start off a FAT32
51 partition (since that is the only way the ROM can load it), and adding
52 support for more filesystems will just take away valueable ram for
53 unnecessary features.
54
55 You can partition your Archos fine, just make sure the first one is FAT32
56 and then make the other ones whatever file system you want. Just don't
57 expect Rockbox to understand them.
58
59Q10. Add scandisk-like features!
60A10. It would be a very slow operation that would drain the batteries and take
61 a lot of useful ram for something that is much better and faster done
62 when connected to a host computer.
63
64Q11. CBR recording!
65A11. The MP3 encoding hardware does not allow this.
66
67Q12. Change tempo of a song without changing pitch!
68A12. The MP3 decoding hardware does not allow this.
69
70Q13. Graphic frequency (spectrum) analyzer!
71A13. We can't access the audio waveform from the MP3 decoder so we can't
72 analyze it. Even if we had access to it, the CPU would probably be too
73 slow to perform the analysis anyway.
74
75Q14. Cool sound effects!
76A14. Adding new sound effects requires reprogramming the MAS chip, and we can't
77 do that. The MAS chip is programmable, but we have no access to the chip
78 documentation.