24 lines
619 B
Factor
24 lines
619 B
Factor
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USING: accessors alien arrays combinators kernel math openal ;
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IN: audio
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TUPLE: audio
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{ channels integer }
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{ sample-bits integer }
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{ sample-rate integer }
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{ size integer }
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{ data c-ptr } ;
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C: <audio> audio
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ERROR: format-unsupported-by-openal audio ;
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: openal-format ( audio -- format )
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dup [ channels>> ] [ sample-bits>> ] bi 2array {
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{ { 1 8 } [ drop AL_FORMAT_MONO8 ] }
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{ { 1 16 } [ drop AL_FORMAT_MONO16 ] }
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{ { 2 8 } [ drop AL_FORMAT_STEREO8 ] }
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{ { 2 16 } [ drop AL_FORMAT_STEREO16 ] }
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[ drop format-unsupported-by-openal ]
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} case ;
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