mirror of https://github.com/mpv-player/mpv
48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/* This program is licensed under the GNU Library General Public License, version 2,
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* a copy of which is included with this program (with filename LICENSE.LGPL).
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*
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* (c) 2002 John Edwards
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*
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* rand_t header.
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*
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* last modified: $ID:$
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*/
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#include "common.h"
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#ifndef __RAND_T_H
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#define __RAND_T_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef FIXED_POINT
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typedef struct {
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const float32_t* FilterCoeff;
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uint64_t Mask;
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double Add;
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float32_t Dither;
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float32_t ErrorHistory [2] [16]; // max. 2 channels, 16th order Noise shaping
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float32_t DitherHistory [2] [16];
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int32_t LastRandomNumber [2];
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} dither_t;
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extern dither_t Dither;
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extern double doubletmp;
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//static const uint8_t Parity [256];
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uint32_t random_int ( void );
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extern double scalar16 ( const float32_t* x, const float32_t* y );
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extern double Random_Equi ( double mult );
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extern double Random_Triangular ( double mult );
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void Init_Dither ( unsigned char bits, unsigned char shapingtype );
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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