From 8e94244f86e657e4113e35438e59cf5771882b25 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Sun, 3 Mar 2024 12:51:03 +0100
Subject: libogg and libvorbis are no longer part of this source tree

---
 contrib/vorbis/lib/psytune.c | 523 -------------------------------------------
 1 file changed, 523 deletions(-)
 delete mode 100644 contrib/vorbis/lib/psytune.c

(limited to 'contrib/vorbis/lib/psytune.c')

diff --git a/contrib/vorbis/lib/psytune.c b/contrib/vorbis/lib/psytune.c
deleted file mode 100644
index 6952136..0000000
--- a/contrib/vorbis/lib/psytune.c
+++ /dev/null
@@ -1,523 +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 1994-2007             *
- * by the Xiph.Org Foundation http://www.xiph.org/                  *
- *                                                                  *
- ********************************************************************
-
- function: simple utility that runs audio through the psychoacoustics
-           without encoding
-
- ********************************************************************/
-
-/* NB: this is dead code, retained purely for doc and reference value
-       don't try to compile it */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-
-#include "vorbis/codec.h"
-#include "codec_internal.h"
-#include "os.h"
-#include "misc.h"
-#include "psy.h"
-#include "mdct.h"
-#include "smallft.h"
-#include "window.h"
-#include "scales.h"
-#include "lpc.h"
-#include "lsp.h"
-#include "masking.h"
-#include "registry.h"
-
-static vorbis_info_psy_global _psy_set0G={
-  0,   /* decaydBpms */
-  8,   /* lines per eighth octave */
-
-  /* thresh sample period, preecho clamp trigger threshhold, range, minenergy */
-  256, {26.f,26.f,26.f,30.f}, {-90.f,-90.f,-90.f,-90.f}, -90.f,
-  -6.f,
-
-  0,
-
-  0.,
-  0.,
-};
-
-static vp_part _vp_part0[]={
-  {    1,9e10f, 9e10f,       1.f,9999.f},
-  { 9999,  .75f, 9e10f,       .5f,9999.f},
-/*{ 9999, 1.5f, 9e10f,       .5f,9999.f},*/
-  {   18,9e10f, 9e10f,       .5f,  30.f},
-  { 9999,9e10f, 9e10f,       .5f,  30.f}
-};
-
-static vp_couple _vp_couple0[]={
-  {    1,  {9e10f,9e10f,0}, {   0.f,   0.f,0}, {   0.f, 0.f,0}, {0.f,0.f,0}},
-  {   18,  {9e10f,9e10f,0}, {   0.f,   0.f,0}, {   0.f, 0.f,0}, {0.f,0.f,0}},
-  { 9999,  {9e10f,9e10f,0}, {   0.f, 9e10f,0}, {   0.f,22.f,1}, {0.f,0.f,0}}
-};
-
-static vorbis_info_psy _psy_set0={
-  ATH_Bark_dB_lineaggressive,
-
-  -100.f,
-  -140.f,
-  6.f, /* floor master att */
-
-  /*     0  1  2   3   4   5   6   7   8   9  10  11  12  13  14  15   16   */
-  /* x: 63 88 125 175 250 350 500 700 1k 1.4k 2k 2.8k 4k 5.6k 8k 11.5k 16k Hz */
-  /* y: 0 10 20 30 40 50 60 70 80 90 100 dB */
-   1,  /* tonemaskp */
-  0.f, /* tone master att */
-  /*  0   10   20   30   40   50   60   70   80   90   100 */
-  {
-   {-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f}, /*63*/
-   {-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f}, /*88*/
-   {-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f,-999.f}, /*125*/
-
-   {-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*175*/
-   {-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*250*/
-   {-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*350*/
-   {-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*500*/
-   {-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*700*/
-   {-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*1000*/
-   {-30.f,-30.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*1400*/
-   {-40.f,-40.f,-40.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*2000*/
-   {-40.f,-40.f,-40.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*2800*/
-   {-40.f,-40.f,-40.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*4000*/
-
-   {-30.f,-35.f,-35.f,-40.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*5600*/
-
-   {-30.f,-30.f,-33.f,-35.f,-40.f,-50.f,-60.f,-70.f,-80.f,-90.f,-100.f}, /*8000*/
-   {-30.f,-30.f,-33.f,-35.f,-40.f,-45.f,-50.f,-60.f,-70.f,-85.f,-100.f}, /*11500*/
-   {-24.f,-24.f,-26.f,-32.f,-32.f,-42.f,-50.f,-60.f,-70.f,-85.f,-100.f}, /*16000*/
-
-  },
-
-  1,/* peakattp */
-  {{-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*63*/
-   {-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*88*/
-   {-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*125*/
-   {-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*175*/
-   {-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*250*/
-   {-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*350*/
-   {-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*500*/
-   {-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*700*/
-   {-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*1000*/
-   {-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*1400*/
-   {-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*2000*/
-   {-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*2800*/
-   {-14.f,-20.f,-20.f,-20.f,-26.f,-32.f,-40.f,-40.f,-40.f,-40.f,-40.f},/*4000*/
-   {-10.f,-12.f,-14.f,-16.f,-16.f,-20.f,-24.f,-30.f,-32.f,-40.f,-40.f},/*5600*/
-   {-10.f,-12.f,-14.f,-16.f,-16.f,-20.f,-24.f,-30.f,-32.f,-40.f,-40.f},/*8000*/
-   {-10.f,-10.f,-10.f,-12.f,-14.f,-18.f,-22.f,-28.f,-32.f,-40.f,-40.f},/*11500*/
-   {-10.f,-10.f,-10.f,-12.f,-14.f,-18.f,-22.f,-28.f,-32.f,-40.f,-40.f},/*16000*/
-  },
-
-  1,/*noisemaskp */
-  -10.f,  /* suppress any noise curve over maxspec+n */
-  .5f,   /* low window */
-  .5f,   /* high window */
-  10,
-  10,
-  25,
-  {.000f, 0.f, /*63*/
-   .000f, 0.f, /*88*/
-   .000f, 0.f, /*125*/
-   .000f, 0.f, /*175*/
-   .000f, 0.f, /*250*/
-   .000f, 0.f, /*350*/
-   .000f, 0.f, /*500*/
-   .000f, 0.f, /*700*/
-   .000f, 0.f, /*1000*/
-   .300f, 0.f, /*1400*/
-   .300f, 0.f, /*2000*/
-   .300f, 0.f, /*2800*/
-   .500f, 0.f, /*4000*/
-   .700f, 0.f, /*5600*/
-   .850f, 0.f, /*8000*/
-   .900f, 0.f, /*11500*/
-   .900f, 1.f, /*16000*/
-  },
-
-  95.f,  /* even decade + 5 is important; saves an rint() later in a
-            tight loop) */
-  -44.,
-
-  32,
-  _vp_part0,_vp_couple0
-};
-
-static vorbis_info_floor1 _floor_set0={1,
-                                        {0},
-
-                                        {32},
-                                        {0},
-                                        {0},
-                                        {{-1}},
-
-                                        2,
-                                        {0,1024,
-
-                                         88,31,243,
-
-                                         14,54,143,460,
-
-                                         6,3,10, 22,18,26, 41,36,47,
-                                         69,61,78, 112,99,126, 185,162,211,
-                                         329,282,387, 672,553,825
-                                         },
-
-                                        60,30,400,
-                                        20,8,1,18.,
-                                        20,600,
-                                        960};
-
-
-static vorbis_info_mapping0 mapping_info={1,{0,1},{0},{0},{0},0, 1, {0},{1}};
-static codec_setup_info codec_setup0={ {0,0},
-                                       1,1,1,1,1,0,1,
-                                       {NULL},
-                                       {0},{&mapping_info},
-                                       {0},{NULL},
-                                       {1},{&_floor_set0},
-                                       {2},{NULL},
-                                       {NULL},
-                                       {&_psy_set0},
-                                       &_psy_set0G};
-
-static int noisy=0;
-void analysis(char *base,int i,float *v,int n,int bark,int dB){
-  if(noisy){
-    int j;
-    FILE *of;
-    char buffer[80];
-    sprintf(buffer,"%s_%d.m",base,i);
-    of=fopen(buffer,"w");
-
-    for(j=0;j<n;j++){
-      if(dB && v[j]==0)
-          fprintf(of,"\n\n");
-      else{
-        if(bark)
-          fprintf(of,"%g ",toBARK(22050.f*j/n));
-        else
-          fprintf(of,"%g ",(float)j);
-
-        if(dB){
-          fprintf(of,"%g\n",todB(v+j));
-        }else{
-          fprintf(of,"%g\n",v[j]);
-        }
-      }
-    }
-    fclose(of);
-  }
-}
-
-long frameno=0;
-
-/****************************************************************/
-
-int main(int argc,char *argv[]){
-  int eos=0;
-  float nonz=0.f;
-  float acc=0.f;
-  float tot=0.f;
-  float ampmax=-9999,newmax;
-  float local_ampmax[2];
-
-  int framesize=2048;
-  float ampmax_att_per_sec=-6.;
-
-  float *pcm[2],*out[2],*window,*flr[2],*mask[2],*work[2];
-  signed char *buffer,*buffer2;
-  mdct_lookup m_look;
-  drft_lookup f_look;
-  vorbis_look_psy p_look;
-  vorbis_look_psy_global *pg_look;
-  vorbis_look_floor *floor_look;
-  vorbis_info vi;
-  long i,j,k;
-
-  int ath=0;
-  int decayp=0;
-
-  argv++;
-  while(*argv){
-    if(*argv[0]=='-'){
-      /* option */
-      if(argv[0][1]=='v'){
-        noisy=0;
-      }
-    }else
-      if(*argv[0]=='+'){
-        /* option */
-        if(argv[0][1]=='v'){
-          noisy=1;
-        }
-      }else
-        framesize=atoi(argv[0]);
-    argv++;
-  }
-
-  vi.channels=2;
-  vi.codec_setup=&codec_setup0;
-
-  pcm[0]=_ogg_malloc(framesize*sizeof(float));
-  pcm[1]=_ogg_malloc(framesize*sizeof(float));
-  out[0]=_ogg_calloc(framesize/2,sizeof(float));
-  out[1]=_ogg_calloc(framesize/2,sizeof(float));
-  work[0]=_ogg_calloc(framesize,sizeof(float));
-  work[1]=_ogg_calloc(framesize,sizeof(float));
-  flr[0]=_ogg_calloc(framesize/2,sizeof(float));
-  flr[1]=_ogg_calloc(framesize/2,sizeof(float));
-  buffer=_ogg_malloc(framesize*4);
-  buffer2=buffer+framesize*2;
-  window=_vorbis_window_create(0,framesize,framesize/2,framesize/2);
-  mdct_init(&m_look,framesize);
-  drft_init(&f_look,framesize);
-  _vp_psy_init(&p_look,&_psy_set0,&_psy_set0G,framesize/2,44100);
-  pg_look=_vp_global_look(&vi);
-  floor_look=_floor_P[1]->look(NULL,NULL,&_floor_set0);
-
-  /* we cheat on the WAV header; we just bypass 44 bytes and never
-     verify that it matches 16bit/stereo/44.1kHz. */
-
-  fread(buffer,1,44,stdin);
-  fwrite(buffer,1,44,stdout);
-  memset(buffer,0,framesize*2);
-
-  analysis("window",0,window,framesize,0,0);
-
-  fprintf(stderr,"Processing for frame size %d...\n",framesize);
-
-  while(!eos){
-    long bytes=fread(buffer2,1,framesize*2,stdin);
-    if(bytes<framesize*2)
-      memset(buffer2+bytes,0,framesize*2-bytes);
-
-    if(bytes!=0){
-      int nonzero[2];
-
-      /* uninterleave samples */
-      for(i=0;i<framesize;i++){
-        pcm[0][i]=((buffer[i*4+1]<<8)|
-                      (0x00ff&(int)buffer[i*4]))/32768.f;
-        pcm[1][i]=((buffer[i*4+3]<<8)|
-                   (0x00ff&(int)buffer[i*4+2]))/32768.f;
-      }
-
-      {
-        float secs=framesize/44100.;
-
-        ampmax+=secs*ampmax_att_per_sec;
-        if(ampmax<-9999)ampmax=-9999;
-      }
-
-      for(i=0;i<2;i++){
-        float scale=4.f/framesize;
-        float *fft=work[i];
-        float *mdct=pcm[i];
-        float *logmdct=mdct+framesize/2;
-
-        analysis("pre",frameno+i,pcm[i],framesize,0,0);
-
-        /* fft and mdct transforms  */
-        for(j=0;j<framesize;j++)
-          fft[j]=pcm[i][j]*=window[j];
-
-        drft_forward(&f_look,fft);
-
-        local_ampmax[i]=-9999.f;
-        fft[0]*=scale;
-        fft[0]=todB(fft);
-        for(j=1;j<framesize-1;j+=2){
-          float temp=scale*FAST_HYPOT(fft[j],fft[j+1]);
-          temp=fft[(j+1)>>1]=todB(&temp);
-          if(temp>local_ampmax[i])local_ampmax[i]=temp;
-        }
-        if(local_ampmax[i]>ampmax)ampmax=local_ampmax[i];
-
-        mdct_forward(&m_look,pcm[i],mdct);
-        for(j=0;j<framesize/2;j++)
-          logmdct[j]=todB(mdct+j);
-
-        analysis("mdct",frameno+i,logmdct,framesize/2,1,0);
-        analysis("fft",frameno+i,fft,framesize/2,1,0);
-      }
-
-      for(i=0;i<2;i++){
-        float amp;
-        float *fft=work[i];
-        float *logmax=fft;
-        float *mdct=pcm[i];
-        float *logmdct=mdct+framesize/2;
-        float *mask=fft+framesize/2;
-
-        /* floor psychoacoustics */
-        _vp_compute_mask(&p_look,
-                         pg_look,
-                         i,
-                         fft,
-                         logmdct,
-                         mask,
-                         ampmax,
-                         local_ampmax[i],
-                         framesize/2);
-
-        analysis("mask",frameno+i,mask,framesize/2,1,0);
-
-        {
-          vorbis_block vb;
-          vorbis_dsp_state vd;
-          memset(&vd,0,sizeof(vd));
-          vd.vi=&vi;
-          vb.vd=&vd;
-          vb.pcmend=framesize;
-
-          /* floor quantization/application */
-          nonzero[i]=_floor_P[1]->forward(&vb,floor_look,
-                                          mdct,
-                                          logmdct,
-                                          mask,
-                                          logmax,
-
-                                          flr[i]);
-        }
-
-        _vp_remove_floor(&p_look,
-                         pg_look,
-                         logmdct,
-                         mdct,
-                         flr[i],
-                         pcm[i],
-                         local_ampmax[i]);
-
-        for(j=0;j<framesize/2;j++)
-          if(fabs(pcm[i][j])>1500)
-            fprintf(stderr,"%ld ",frameno+i);
-
-        analysis("res",frameno+i,pcm[i],framesize/2,1,0);
-        analysis("codedflr",frameno+i,flr[i],framesize/2,1,1);
-      }
-
-      /* residue prequantization */
-      _vp_partition_prequant(&p_look,
-                             &vi,
-                             pcm,
-                             nonzero);
-
-      for(i=0;i<2;i++)
-        analysis("quant",frameno+i,pcm[i],framesize/2,1,0);
-
-      /* channel coupling / stereo quantization */
-
-      _vp_couple(&p_look,
-                 &mapping_info,
-                 pcm,
-                 nonzero);
-
-      for(i=0;i<2;i++)
-        analysis("coupled",frameno+i,pcm[i],framesize/2,1,0);
-
-      /* decoupling */
-      for(i=mapping_info.coupling_steps-1;i>=0;i--){
-        float *pcmM=pcm[mapping_info.coupling_mag[i]];
-        float *pcmA=pcm[mapping_info.coupling_ang[i]];
-
-        for(j=0;j<framesize/2;j++){
-          float mag=pcmM[j];
-          float ang=pcmA[j];
-
-          if(mag>0)
-            if(ang>0){
-              pcmM[j]=mag;
-              pcmA[j]=mag-ang;
-            }else{
-              pcmA[j]=mag;
-              pcmM[j]=mag+ang;
-            }
-          else
-            if(ang>0){
-              pcmM[j]=mag;
-              pcmA[j]=mag+ang;
-            }else{
-              pcmA[j]=mag;
-              pcmM[j]=mag-ang;
-            }
-        }
-      }
-
-      for(i=0;i<2;i++)
-        analysis("decoupled",frameno+i,pcm[i],framesize/2,1,0);
-
-      for(i=0;i<2;i++){
-        float amp;
-
-        for(j=0;j<framesize/2;j++)
-          pcm[i][j]*=flr[i][j];
-
-        analysis("final",frameno+i,pcm[i],framesize/2,1,1);
-
-        /* take it back to time */
-        mdct_backward(&m_look,pcm[i],pcm[i]);
-
-        for(j=0;j<framesize/2;j++)
-          out[i][j]+=pcm[i][j]*window[j];
-
-        analysis("out",frameno+i,out[i],framesize/2,0,0);
-
-
-      }
-
-      /* write data.  Use the part of buffer we're about to shift out */
-      for(i=0;i<2;i++){
-        char  *ptr=buffer+i*2;
-        float *mono=out[i];
-        int flag=0;
-        for(j=0;j<framesize/2;j++){
-          int val=mono[j]*32767.;
-          /* might as well guard against clipping */
-          if(val>32767){
-            if(!flag)fprintf(stderr,"clipping in frame %ld ",frameno+i);
-            flag=1;
-            val=32767;
-          }
-          if(val<-32768){
-            if(!flag)fprintf(stderr,"clipping in frame %ld ",frameno+i);
-            flag=1;
-            val=-32768;
-          }
-          ptr[0]=val&0xff;
-          ptr[1]=(val>>8)&0xff;
-          ptr+=4;
-        }
-      }
-
-      fprintf(stderr,"*");
-      fwrite(buffer,1,framesize*2,stdout);
-      memmove(buffer,buffer2,framesize*2);
-
-      for(i=0;i<2;i++){
-        for(j=0,k=framesize/2;j<framesize/2;j++,k++)
-          out[i][j]=pcm[i][k]*window[k];
-      }
-      frameno+=2;
-    }else
-      eos=1;
-  }
-  fprintf(stderr,"average raw bits of entropy: %.03g/sample\n",acc/tot);
-  fprintf(stderr,"average nonzero samples: %.03g/%d\n",nonz/tot*framesize/2,
-          framesize/2);
-  fprintf(stderr,"Done\n\n");
-  return 0;
-}
-- 
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