* 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 1994-2002 *
- * by the XIPHOPHORUS Company http://www.xiph.org/ *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
+ * by the Xiph.Org Foundation http://www.xiph.org/ *
* *
********************************************************************
function: random psychoacoustics (not including preecho)
- last mod: $Id: psy.h,v 1.32 2002/07/13 06:12:47 xiphmont Exp $
+ last mod: $Id$
********************************************************************/
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];
+ 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;
int channels;
vorbis_info_psy_global *gi;
- int coupling_pointlimit[2][P_NOISECURVES];
+ int coupling_pointlimit[2][P_NOISECURVES];
} vorbis_look_psy_global;
long firstoc;
long shiftoc;
int eighth_octave_lines; /* power of two, please */
- int total_octave_lines;
+ 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);
+ 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 vorbis_info_psy *_vi_psy_copy(vorbis_info_psy *i);
extern void _vp_remove_floor(vorbis_look_psy *p,
- float *mdct,
- int *icodedflr,
- float *residue,
- int sliding_lowpass);
+ float *mdct,
+ int *icodedflr,
+ float *residue,
+ int sliding_lowpass);
extern void _vp_noisemask(vorbis_look_psy *p,
- float *logmdct,
- float *logmask);
+ float *logmdct,
+ float *logmask);
extern void _vp_tonemask(vorbis_look_psy *p,
- float *logfft,
- float *logmask,
- float global_specmax,
- float local_specmax);
+ 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 *noise,
+ float *tone,
+ int offset_select,
+ float *logmask,
+ float *mdct,
+ float *logmdct);
extern float _vp_ampmax_decay(float amp,vorbis_dsp_state *vd);
extern float **_vp_quantize_couple_memo(vorbis_block *vb,
- vorbis_info_psy_global *g,
- vorbis_look_psy *p,
- vorbis_info_mapping0 *vi,
- float **mdct);
+ vorbis_info_psy_global *g,
+ vorbis_look_psy *p,
+ vorbis_info_mapping0 *vi,
+ float **mdct);
extern void _vp_couple(int blobno,
- vorbis_info_psy_global *g,
- vorbis_look_psy *p,
- vorbis_info_mapping0 *vi,
- float **res,
- float **mag_memo,
- int **mag_sort,
- int **ifloor,
- int *nonzero,
- int sliding_lowpass);
+ vorbis_info_psy_global *g,
+ vorbis_look_psy *p,
+ vorbis_info_mapping0 *vi,
+ float **res,
+ float **mag_memo,
+ int **mag_sort,
+ int **ifloor,
+ int *nonzero,
+ int sliding_lowpass);
extern void _vp_noise_normalize(vorbis_look_psy *p,
- float *in,float *out,int *sortedindex);
+ float *in,float *out,int *sortedindex);
extern void _vp_noise_normalize_sort(vorbis_look_psy *p,
- float *magnitudes,int *sortedindex);
+ float *magnitudes,int *sortedindex);
extern int **_vp_quantize_couple_sort(vorbis_block *vb,
- vorbis_look_psy *p,
- vorbis_info_mapping0 *vi,
- float **mags);
+ vorbis_look_psy *p,
+ vorbis_info_mapping0 *vi,
+ float **mags);
-#endif
+extern void hf_reduction(vorbis_info_psy_global *g,
+ vorbis_look_psy *p,
+ vorbis_info_mapping0 *vi,
+ float **mdct);
+
+#endif