Frank Gevaerts
afd482f51b
midi: Recalculate (and rename) the note frequency table.
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gustable[] contained plain note frequencies in milliHertz, but
was named and documented to appear like a table of magic numbers.
The values also seemed to be slightly inaccurate (up to about
0.01Hz, so probably irrelevant).
This changes the name to freqtable to make the purpose clearer, and
uses slightly better values.
Change-Id: I6b568d834c8c2c92161bed5290572a29733e28dc
2017-01-06 19:29:00 +01:00
Nils Wallménius
2afc175a4e
midi: make the patch sample data pointer a *int16_t to get rid of some ugly casting and drop an acessor macro to make caching the pointer in the synthVoice loop possible. Speeds up midi by 1-2% on cf and 3-5% on PP.
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30438 a1c6a512-1295-4272-9138-f99709370657
2011-09-06 10:34:20 +00:00
Daniel Stenberg
2acc0ac542
Updated our source code header to explicitly mention that we are GPL v2 or
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later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00
Nils Wallménius
6888db3240
Do not duplicate const table, make getEvent function static inline, gives about a ~1.5% speedup, put tick function in iram, ~3.5% speedup
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14873 a1c6a512-1295-4272-9138-f99709370657
2007-09-27 20:17:38 +00:00
Nils Wallménius
0e49605aaa
Move all of midiplay into its subdir and add a Makefile for it, add header files as necessary.
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14841 a1c6a512-1295-4272-9138-f99709370657
2007-09-24 15:57:32 +00:00
Stepan Moskovchenko
9ec1ff8cf5
Fixed warnings, adapted to Rockbox coding style, optimized to 78% realtime.
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6329 a1c6a512-1295-4272-9138-f99709370657
2005-04-20 21:07:13 +00:00
Stepan Moskovchenko
1f5fb99819
Some shifting optimizations. Working code. 50% realtime.
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6323 a1c6a512-1295-4272-9138-f99709370657
2005-04-19 15:57:07 +00:00
Stepan Moskovchenko
5811214b0c
Code cleanup, fix warnings, error checking, add midi2wav to viewers.config
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6304 a1c6a512-1295-4272-9138-f99709370657
2005-04-15 20:27:04 +00:00
Stepan Moskovchenko
215e492a12
Added MIDI synthesizer plugin
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6287 a1c6a512-1295-4272-9138-f99709370657
2005-04-15 06:08:55 +00:00
