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Diffstat (limited to 'vorbis/lib/psy.h')
| -rw-r--r-- | vorbis/lib/psy.h | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/vorbis/lib/psy.h b/vorbis/lib/psy.h deleted file mode 100644 index ab2534d..0000000 --- a/vorbis/lib/psy.h +++ /dev/null @@ -1,153 +0,0 @@ -/******************************************************************** - * * - * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. * - * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * - * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * - * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * - * * - * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 * - * by the Xiph.Org Foundation http://www.xiph.org/ * - * * - ******************************************************************** - - function: random psychoacoustics (not including preecho) - - ********************************************************************/ - -#ifndef _V_PSY_H_ -#define _V_PSY_H_ -#include "smallft.h" - -#include "backends.h" -#include "envelope.h" - -#ifndef EHMER_MAX -#define EHMER_MAX 56 -#endif - -/* psychoacoustic setup ********************************************/ -#define P_BANDS 17 /* 62Hz to 16kHz */ -#define P_LEVELS 8 /* 30dB to 100dB */ -#define P_LEVEL_0 30. /* 30 dB */ -#define P_NOISECURVES 3 - -#define NOISE_COMPAND_LEVELS 40 -typedef struct vorbis_info_psy{ - int blockflag; - - float ath_adjatt; - float ath_maxatt; - - float tone_masteratt[P_NOISECURVES]; - float tone_centerboost; - float tone_decay; - float tone_abs_limit; - float toneatt[P_BANDS]; - - int noisemaskp; - float noisemaxsupp; - float noisewindowlo; - float noisewindowhi; - int noisewindowlomin; - int noisewindowhimin; - int noisewindowfixed; - float noiseoff[P_NOISECURVES][P_BANDS]; - float noisecompand[NOISE_COMPAND_LEVELS]; - - float max_curve_dB; - - int normal_p; - int normal_start; - int normal_partition; - double normal_thresh; -} vorbis_info_psy; - -typedef struct{ - int eighth_octave_lines; - - /* for block long/short tuning; encode only */ - float preecho_thresh[VE_BANDS]; - float postecho_thresh[VE_BANDS]; - float stretch_penalty; - float preecho_minenergy; - - float ampmax_att_per_sec; - - /* channel coupling config */ - int coupling_pkHz[PACKETBLOBS]; - int coupling_pointlimit[2][PACKETBLOBS]; - int coupling_prepointamp[PACKETBLOBS]; - int coupling_postpointamp[PACKETBLOBS]; - int sliding_lowpass[2][PACKETBLOBS]; - -} vorbis_info_psy_global; - -typedef struct { - float ampmax; - int channels; - - vorbis_info_psy_global *gi; - int coupling_pointlimit[2][P_NOISECURVES]; -} vorbis_look_psy_global; - - -typedef struct { - int n; - struct vorbis_info_psy *vi; - - float ***tonecurves; - float **noiseoffset; - - float *ath; - long *octave; /* in n.ocshift format */ - long *bark; - - long firstoc; - long shiftoc; - int eighth_octave_lines; /* power of two, please */ - int total_octave_lines; - long rate; /* cache it */ - - float m_val; /* Masking compensation value */ - -} vorbis_look_psy; - -extern void _vp_psy_init(vorbis_look_psy *p,vorbis_info_psy *vi, - vorbis_info_psy_global *gi,int n,long rate); -extern void _vp_psy_clear(vorbis_look_psy *p); -extern void *_vi_psy_dup(void *source); - -extern void _vi_psy_free(vorbis_info_psy *i); -extern vorbis_info_psy *_vi_psy_copy(vorbis_info_psy *i); - -extern void _vp_noisemask(vorbis_look_psy *p, - float *logmdct, - float *logmask); - -extern void _vp_tonemask(vorbis_look_psy *p, - float *logfft, - float *logmask, - float global_specmax, - float local_specmax); - -extern void _vp_offset_and_mix(vorbis_look_psy *p, - float *noise, - float *tone, - int offset_select, - float *logmask, - float *mdct, - float *logmdct); - -extern float _vp_ampmax_decay(float amp,vorbis_dsp_state *vd); - -extern void _vp_couple_quantize_normalize(int blobno, - vorbis_info_psy_global *g, - vorbis_look_psy *p, - vorbis_info_mapping0 *vi, - float **mdct, - int **iwork, - int *nonzero, - int sliding_lowpass, - int ch); - -#endif |