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/* OpenCP Module Player
* copyright (c) '94-'10 Niklas Beisert <nbeisert@physik.tu-muenchen.de>
*
* CPIFace phase graphs mode
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* revision history: (please note changes here)
* -nb980510 Niklas Beisert <nbeisert@physik.tu-muenchen.de>
* -first release
* -doj980928 Dirk Jagdmann <doj@cubic.org>
* -added cpipic.h and isqrt.cpp to the #include list
* -fd981119 Felix Domke <tmbinc@gmx.net>
* -added the really important 'NO_CPIFACE_IMPORT'
* -fd981220 Felix Domke <tmbinc@gmx.net>
* -changes for LFB (and other faked banked-modes)
* -ss040916 Stian Skjelstad <stian@nixia.no>
* -Optimizebug in GCC 3.3.3 when using -O2 or higher
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "types.h"
#include "stuff/poutput.h"
#include "cpiface.h"
#include "stuff/imsrtns.h"
#include "cpipic.h"
#include <curses.h>
#define HIGHLIGHT 11
#define MAXDOTS (64*128 *10)
#define MAXSAMPLEN 1024
static uint32_t plOszRate;
static int plOszMono;
static int plOszChan;
static int16_t plSampBuf[MAXSAMPLEN+2];
static int plScopesAmp;
static int plScopesAmp2;
static int plScopesRatio;
static uint32_t replacebuf[MAXDOTS*2];
static uint32_t sorttemp[MAXDOTS*2];
static uint32_t *replacebufpos;
static uint32_t dotbuf[MAXDOTS];
static uint32_t *dotbufpos;
static int scopenx,scopeny;
static int scopedx,scopedy;
static int scopefx,scopefy;
static int samples;
static void plPrepareScopes(void)
{
if (plOpenCPPict)
{
int i;
for (i=16; i<256; i++)
gupdatepal(i, plOpenCPPal[i*3], plOpenCPPal[i*3+1], plOpenCPPal[i*3+2]);
gflushpal();
memcpy((char*)plVidMem+96*640, plOpenCPPict, (480-96)*640);
} else {
memset((char*)plVidMem+96*640, 0, (480-96)*640);
}
replacebufpos=replacebuf;
dotbufpos=dotbuf;
}
static void plPrepareScopeScr(void)
{
char str[49];
if ((plOszChan==2)&&!plGetMasterSample)
plOszChan=3;
if (((plOszChan==3)||(plOszChan==0))&&!plGetLChanSample)
plOszChan=1;
if ((plOszChan==1)&&!plGetPChanSample)
plOszChan=2;
if ((plOszChan==2)&&!plGetMasterSample)
plOszChan=3;
if (plOszChan==0)
{
scopenx=sqrt(plNLChan*2);
scopeny=(plNLChan+scopenx-1)/scopenx;
scopedx=640/scopenx;
scopedy=384/scopeny;
scopefx=((int)(plScopesAmp*sqrt(plNLChan<<4)))>>2;
scopefy=(scopefx*plScopesRatio)>>5;
samples=64*128/plNLChan;
if (samples>1024)
samples=1024;
} else if (plOszChan==1)
{
scopenx=sqrt(plNPChan*2);
scopeny=(plNPChan+scopenx-1)/scopenx;
scopedx=640/scopenx;
scopedy=384/scopeny;
scopefx=((int)(plScopesAmp*sqrt(plNPChan<<4)))>>2;
scopefy=(scopefx*plScopesRatio)>>5;
samples=64*128/plNPChan;
if (samples>1024)
samples=1024;
} else if (plOszChan==2)
{
scopenx=plOszMono?1:2;
scopeny=1;
scopedx=640/scopenx;
scopedy=384;
scopefx=plScopesAmp2;
scopefy=(scopefx*plScopesRatio)>>5;
samples=1024/scopenx;
} else {
scopenx=1;
scopeny=1;
scopedx=640;
scopedy=384;
scopefx=plScopesAmp*plNLChan;
scopefy=(scopefx*plScopesRatio)>>5;
samples=1024;
}
strcpy(str, " phase graphs: ");
if (plOszChan==2)
{
strcat(str, "master");
if (plOszMono)
strcat(str, ", mono");
else
strcat(str, ", stereo");
} else {
if (plOszChan==0)
strcat(str, "logical");
else
if (plOszChan==1)
strcat(str, "physical");
else
strcat(str, "solo");
}
gdrawstr(4, 0, str, 48, 0x09, 0);
}
static int plScopesKey(uint16_t key)
{
switch (key)
{
case KEY_ALT_K:
cpiKeyHelp('b', "Toggle phase viewer types");
cpiKeyHelp('B', "Toggle phase viewer types");
cpiKeyHelp(KEY_PPAGE, "Increase the frequency space for the phase viewer");
cpiKeyHelp(KEY_NPAGE, "Decrease the frequency space for the phase viewer");
cpiKeyHelp(KEY_HOME, "Reset the settings for the phase viewer");
cpiKeyHelp(KEY_TAB, "Toggle phase viewer channel-mode");
cpiKeyHelp(KEY_SHIFT_TAB, "Toggle phase viewer channel-mode");
cpiKeyHelp(KEY_ALT_O, "Toggle phase viewer channel-mode");
cpiKeyHelp(KEY_CTRL_PGUP, "Adjust scale up");
cpiKeyHelp(KEY_CTRL_PGDN, "Adjust scale down");
return 0;
case KEY_CTRL_PGUP:
/* case 0x8400: //ctrl-pgup */
/* plOszRate=plOszRate*31/32; */
/* plOszRate=(plOszRate>=512000)?256000:(plOszRate<2048)?2048:plOszRate; */
plScopesRatio=(plScopesRatio+1)*32/31;
plScopesRatio=(plScopesRatio>=1024)?1024:(plScopesRatio<64)?64:plScopesRatio;
break;
case KEY_CTRL_PGDN:
/* case 0x7600: //ctrl-pgdn */
/* plOszRate=plOszRate*32/31; */
/* plOszRate=(plOszRate>=256000)?256000:(plOszRate<2048)?2048:plOszRate; */
plScopesRatio=plScopesRatio*31/32;
plScopesRatio=(plScopesRatio>=1024)?1024:(plScopesRatio<64)?64:plScopesRatio;
break;
/*case 0x4900: //pgup*/
case KEY_PPAGE:
if (plOszChan==2)
{
plScopesAmp2=plScopesAmp2*32/31;
plScopesAmp2=(plScopesAmp2>=4096)?4096:(plScopesAmp2<64)?64:plScopesAmp2;
} else {
plScopesAmp=plScopesAmp*32/31;
plScopesAmp=(plScopesAmp>=4096)?4096:(plScopesAmp<64)?64:plScopesAmp;
}
break;
/*case 0x5100: //pgdn*/
case KEY_NPAGE:
if (plOszChan==2)
{
plScopesAmp2=plScopesAmp2*31/32;
plScopesAmp2=(plScopesAmp2>=4096)?4096:(plScopesAmp2<64)?64:plScopesAmp2;
} else {
plScopesAmp=plScopesAmp*31/32;
plScopesAmp=(plScopesAmp>=4096)?4096:(plScopesAmp<64)?64:plScopesAmp;
}
break;
/*case 0x4700: //home*/
case KEY_HOME:
plScopesAmp=512;
plScopesAmp2=512;
plScopesRatio=256;
plOszRate=44100;
break;
case KEY_TAB: /* tab */
case KEY_SHIFT_TAB:
/* case 0x0F00: // shift-tab */
/* TODO -keys
case 0xA500: // alt-tab */
case KEY_ALT_O:
/*case 0x1800: // alt-o*/
if (plOszChan==2)
{
plOszMono=!plOszMono;
plPrepareScopes();
}
break;
case 'b': case 'B':
plOszChan=(plOszChan+1)%4;
plPrepareScopes();
plChanChanged=1;
break;
default:
return 0;
}
plPrepareScopeScr();
return 1;
}
static int plScopesInit(void)
{
if (plVidType==vidNorm)
return 0;
plOszRate=44100;
plScopesAmp=512;
plScopesAmp2=512;
plScopesRatio=256;
plOszMono=0;
return 1;
}
static void drawscope(int x, int y, const int16_t *in, int num, uint8_t col, int step)
{
uint32_t colmask=col<<24;
int i;
y+=96;
for (i=0; i<num; i++)
{
int x1=x+((*in*scopefx)>>16);
int y1=y+(((in[step]-*in)*scopefy)>>16);
if ((x1>=0)&&(x1<640)&&(y1>=96)&&(y1<480))
*dotbufpos++=(y1*640+x1)|colmask;
in+=step;
}
}
static void radix(uint32_t *dest, uint32_t *source, long n, int byte)
{
uint32_t count[256];
/* Optimizebug in GCC 3.3.3 when using -O2 or higher, not reported yet
*
* For now I'll always let the workaround stay, since we are not that
* tight on stack, and streaming/unrolling are nice to have, and pointers
* are not always long big
* */
/*#if ( __GNUC__ == 3 ) && ( __GNUC_MINOR__ == 3 ) && (__GNUC_PATCHLEVEL__ >= 3) && (__GNUC_PATCHLEVEL__ <= 5)*/
uint32_t *index[256];
/*#else
unsigned long **index=(unsigned long**)count;
#endif*/
int i;
uint32_t *dp;
memsetd(count, 0, 256);
for (i=0; i<n; i++)
count[((uint8_t*)&source[i])[byte]]++;
dp=dest;
if (byte==3)
{
uint32_t *ndp;
for (i=48; i<256; i++)
{
ndp=dp+count[i];
index[i]=dp;
dp=ndp;
}
for (i=0; i<48; i++)
if (i!=HIGHLIGHT)
{
ndp=dp+count[i];
index[i]=dp;
dp=ndp;
}
ndp=dp+count[HIGHLIGHT];
index[HIGHLIGHT]=dp;
dp=ndp;
} else
for (i=0; i<256; i++)
{
uint32_t *ndp=dp+count[i];
index[i]=dp;
dp=ndp;
}
for (i=0; i<n; i++)
*index[((uint8_t*)&source[i])[byte]]++=source[i];
}
static void drawframe(void)
{
int n;
uint32_t *bp;
uint32_t *b2;
memcpy(replacebufpos,dotbuf,(dotbufpos-dotbuf)*4);
replacebufpos+=dotbufpos-dotbuf;
n=replacebufpos-replacebuf;
#ifndef WORDS_BIGENDIAN
radix(sorttemp, replacebuf, n, 3);
radix(replacebuf, sorttemp, n, 0);
radix(sorttemp, replacebuf, n, 1);
radix(replacebuf, sorttemp, n, 2);
#else
radix(sorttemp, replacebuf, n, 0);
radix(replacebuf, sorttemp, n, 3);
radix(sorttemp, replacebuf, n, 2);
radix(replacebuf, sorttemp, n, 1);
#endif
for (b2 = replacebuf; b2<replacebufpos; b2++)
{
*(unsigned char*)(plVidMem+((*b2)&0xffffff))=(*b2)>>24;
}
memcpy(replacebuf,dotbuf,(dotbufpos-dotbuf)*4);
replacebufpos=replacebuf+(dotbufpos-dotbuf);
if (plOpenCPPict)
for (bp=replacebuf; bp<replacebufpos; bp++)
{
*bp&=0x00ffffff;
*bp|=plOpenCPPict[(*bp&0xFFFFFF)-96*640]<<24;
} else
for (bp=replacebuf; bp<replacebufpos; bp++)
*bp&=0x00ffffff;
dotbufpos=dotbuf;
}
static void plDrawScopes(void)
{
int i;
if (plOszChan==2)
{
plGetMasterSample(plSampBuf, samples+1, plOszRate, (plOszMono?0:cpiGetSampleStereo)|cpiGetSampleHQ);
for (i=0; i<scopenx; i++)
drawscope(scopedx/2+scopedx*i, scopedy/2, plSampBuf+i, samples, 15, scopenx);
} else if (plOszChan==1)
{
int i;
for (i=0; i<plNPChan; i++)
{
int paus=plGetPChanSample(i, plSampBuf, samples+1, plOszRate, cpiGetSampleHQ);
drawscope((i%scopenx)*scopedx+scopedx/2, scopedy*(i/scopenx)+scopedy/2, plSampBuf, samples, paus?8:15, 1);
}
} else if (plOszChan==3)
{
plGetLChanSample(plSelCh, plSampBuf, samples+1, plOszRate, cpiGetSampleHQ);
drawscope(scopedx/2, scopedy/2, plSampBuf, samples, plMuteCh[plSelCh]?7:15, 1);
} else if (plOszChan==0)
{
int i;
for (i=0; i<plNLChan; i++)
{
plGetLChanSample(i, plSampBuf, samples+1, plOszRate, cpiGetSampleHQ);
drawscope((i%scopenx)*scopedx+scopedx/2, scopedy*(i/scopenx)+scopedy/2, plSampBuf, samples, (plSelCh==i)?plMuteCh[i]?(HIGHLIGHT&7):HIGHLIGHT:plMuteCh[i]?8:15, 1);
}
}
drawframe();
}
static void scoDraw(void)
{
cpiDrawGStrings();
plDrawScopes();
}
static void scoSetMode(void)
{
plReadOpenCPPic();
cpiSetGraphMode(0);
plPrepareScopes();
plPrepareScopeScr();
}
static int scoCan(void)
{
if (!plGetLChanSample&&!plGetPChanSample&&!plGetMasterSample)
return 0;
return 1;
}
static int scoIProcessKey(uint16_t key)
{
switch (key)
{
case KEY_ALT_K:
cpiKeyHelp('b', "Enable phase mode");
cpiKeyHelp('B', "Enable phase mode");
return 0;
case 'b': case 'B':
cpiSetMode("phase");
break;
default:
return 0;
}
return 1;
}
static int scoEvent(int ev)
{
switch (ev)
{
case cpievInit:
return scoCan();
case cpievInitAll:
return plScopesInit();
}
return 1;
}
static struct cpimoderegstruct cpiModePhase = {"phase", scoSetMode, scoDraw, scoIProcessKey, plScopesKey, scoEvent CPIMODEREGSTRUCT_TAIL};
static void __attribute__((constructor))init(void)
{
cpiRegisterDefMode(&cpiModePhase);
}
static void __attribute__((destructor))done(void)
{
cpiUnregisterDefMode(&cpiModePhase);
}
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