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44 lines
1.9 KiB
Text
44 lines
1.9 KiB
Text
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SDL_mixer 2.0
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The latest version of this library is available from:
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http://www.libsdl.org/projects/SDL_mixer/
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Due to popular demand, here is a simple multi-channel audio mixer.
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It supports 8 channels of 16 bit stereo audio, plus a single channel
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of music, mixed by the popular MikMod MOD, Timidity MIDI and SMPEG MP3
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libraries.
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See the header file SDL_mixer.h and the examples playwave.c and playmus.c
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for documentation on this mixer library.
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The mixer can currently load Microsoft WAVE files and Creative Labs VOC
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files as audio samples, and can load MIDI files via Timidity and the
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following music formats via MikMod: .MOD .S3M .IT .XM. It can load
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Ogg Vorbis streams as music if built with Ogg Vorbis or Tremor libraries,
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and finally it can load MP3 music using the SMPEG or libmad libraries.
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Tremor decoding is disabled by default; you can enable it by passing
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--enable-music-ogg-tremor
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to configure, or by defining OGG_MUSIC and OGG_USE_TREMOR.
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libmad decoding is disabled by default; you can enable it by passing
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--enable-music-mp3-mad
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to configure, or by defining MP3_MAD_MUSIC
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vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
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WARNING: The license for libmad is GPL, which means that in order to
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use it your application must also be GPL!
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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The process of mixing MIDI files to wave output is very CPU intensive,
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so if playing regular WAVE files sound great, but playing MIDI files
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sound choppy, try using 8-bit audio, mono audio, or lower frequencies.
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To play MIDI files, you'll need to get a complete set of GUS patches
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from:
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http://www.libsdl.org/projects/mixer/timidity/timidity.tar.gz
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and unpack them in /usr/local/lib under UNIX, and C:\ under Win32.
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This library is under the zlib license, see the file "COPYING.txt" for details.
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