mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-02-12 19:31:41 +00:00
a745fc3757
added libraries: opus flac libsndfile updated: libvorbis libogg openal - Everything works as expected for now. Bare in mind libsndfile needed the check for whether or not it could find the xiph libraries removed in order for this to work.
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/********************************************************************
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* *
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* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
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* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
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* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
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* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
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* *
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* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
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* by the Xiph.Org Foundation https://xiph.org/ *
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* *
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********************************************************************
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function: modified discrete cosine transform prototypes
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********************************************************************/
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#ifndef _OGG_mdct_H_
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#define _OGG_mdct_H_
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#include "vorbis/codec.h"
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/*#define MDCT_INTEGERIZED <- be warned there could be some hurt left here*/
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#ifdef MDCT_INTEGERIZED
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#define DATA_TYPE int
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#define REG_TYPE register int
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#define TRIGBITS 14
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#define cPI3_8 6270
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#define cPI2_8 11585
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#define cPI1_8 15137
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#define FLOAT_CONV(x) ((int)((x)*(1<<TRIGBITS)+.5))
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#define MULT_NORM(x) ((x)>>TRIGBITS)
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#define HALVE(x) ((x)>>1)
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#else
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#define DATA_TYPE float
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#define REG_TYPE float
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#define cPI3_8 .38268343236508977175F
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#define cPI2_8 .70710678118654752441F
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#define cPI1_8 .92387953251128675613F
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#define FLOAT_CONV(x) (x)
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#define MULT_NORM(x) (x)
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#define HALVE(x) ((x)*.5f)
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#endif
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typedef struct {
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int n;
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int log2n;
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DATA_TYPE *trig;
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int *bitrev;
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DATA_TYPE scale;
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} mdct_lookup;
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extern void mdct_init(mdct_lookup *lookup,int n);
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extern void mdct_clear(mdct_lookup *l);
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extern void mdct_forward(mdct_lookup *init, DATA_TYPE *in, DATA_TYPE *out);
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extern void mdct_backward(mdct_lookup *init, DATA_TYPE *in, DATA_TYPE *out);
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#endif
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