summaryrefslogtreecommitdiffhomepage
path: root/vorbis/lib/psy.h
diff options
context:
space:
mode:
Diffstat (limited to 'vorbis/lib/psy.h')
-rw-r--r--vorbis/lib/psy.h153
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