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1 This version of TiMidity should contain all the fixes from the
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2 December 13 2001 SDL_mixer CVS snapshot. In addition, I've made some
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3 changes of my own, e.g.:
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4
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5 * All file access is done through SDL_RWops. This means the MIDI
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6 stream no longer has to be a file. (The config file and instruments
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7 still have to be though.)
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8
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9 * Replacing of TiMidity's endian-handling with SDL's.
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10
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11 * Removal of much unused or unnecessary code, such as
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12
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13 + The "hooks" for putting a user interface onto TiMidity.
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14 + The antialias filter. It wasn't active, and even at 4 kHz I
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15 couldn't hear any difference when activating it.
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16 + Removed all traces of LOOKUP_HACK and LOOKUP_INTERPOLATION.
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17 According to the code comments they weren't very good anyway.
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18 ("degrades sound quality noticeably"). I also removed the
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19 disclaimer about the "8-bit uLaw to 16-bit PCM and the 13-bit-PCM
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20 to 8-bit uLaw tables" disclaimer, since I believe those were the
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21 tables I removed.
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22 + Removed LOOKUP_SINE since it was already commented out. I think we
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23 can count on our target audience having math co-processors
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24 nowadays.
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25 + Removed USE_LDEXP since it wasn't being used and "it doesn't make
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26 much of a difference either way".
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27 + Removed decompress hack from open_file() since it didn't look very
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28 portable.
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29 + Removed heaps of unnecessary constants.
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30 + Removed unused functions.
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31 + Assume that LINEAR_INTERPOLATION is always used, so remove all
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32 code dealing with it not being so. It's not that I think the
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33 difference in audio quality is that great, but since it wouldn't
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34 compile without code changes I assume no one's used it for quite
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35 some time...
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36 + Assume PRECALC_LOOPS is always defined. Judging by the comments it
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37 may not make much of a difference either way, so why maintain two
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38 versions of the same code?
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39
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40 * Moving several static globals into the MidiSong struct. This
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41 includes sample rate, formate, etc. which are now all per-song.
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42
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43 * Moved some typedefs (e.g. MidiSong) to timidity.h for easy inclusion
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44 into the MIDI decoder.
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45
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46 * Added free_pathlist().
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47
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48 * Replaced TiMidity's own 8, 16 and 32-bit types with SDL's.
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49
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50 * Made TiMidity look for its configuration file in both /etc and
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51 /usr/local/lib/timidity. (Windows version remains unchanged.)
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52
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53 * Timidity_PlaySome() now takes three arguments. A MidiSong, a decode
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54 buffer and decode buffer size in bytes. (MidiSong is a new argument,
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55 and buffer size used to be in samples.)
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56
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57 In addition, it will return the number of bytes decoded.
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58
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59 * Added Timidity_Exit().
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60
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61 * Removed Timidity_Stop() and Timidity_Active(). Stopping playback
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62 should be handled by SDL_sound, and Timidity_PlaySome() will return
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63 0 when the MIDI stream is finished.
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64
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65 * Modified the ToneBank stuff to allow some data to be shared between
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66 MidiSongs.
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67
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68 * The following files have been removed: controls.c, controls.h,
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69 filter.c, filter.h, sdl_a.c, sdl_c.c
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70
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71 * config.h has been renamed as options.h to avoid confusion with the
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72 automatically generated config.h for SDL_sound.
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