987 lines
22 KiB
C
987 lines
22 KiB
C
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/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// snd_mix.c -- portable code to mix sounds for snd_dma.c
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#ifndef __CYGWIN__
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#include "quakedef.h"
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#ifndef NOSOUNDASM
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#define NOSOUNDASM //since channels per sound card went to 6 (portable_samplegroup_t was changed)
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#endif
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#ifdef _WIN32
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#include "winquake.h"
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#else
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#define DWORD unsigned long
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#endif
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#define PAINTBUFFER_SIZE 2048
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portable_samplegroup_t paintbuffer[PAINTBUFFER_SIZE];
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int snd_scaletable[32][256];
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int *snd_p, snd_vol;
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short *snd_out;
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void Snd_WriteLinearBlastStereo16 (soundcardinfo_t *sc);
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#if defined(NOSOUNDASM) || !id386
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void Snd_WriteLinearBlastStereo16 (soundcardinfo_t *sc)
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{
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int i, i2;
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int val;
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for (i=0, i2=0; i<sc->snd_linear_count ; i+=2, i2+=6)
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{
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val = (snd_p[i2]*snd_vol)>>8;
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if (val > 0x7fff)
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snd_out[i] = 0x7fff;
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else if (val < (short)0x8000)
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snd_out[i] = (short)0x8000;
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else
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snd_out[i] = val;
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val = (snd_p[i2+1]*snd_vol)>>8;
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if (val > 0x7fff)
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snd_out[i+1] = 0x7fff;
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else if (val < (short)0x8000)
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snd_out[i+1] = (short)0x8000;
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else
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snd_out[i+1] = val;
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}
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}
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#endif
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void S_TransferStereo16 (soundcardinfo_t *sc, int endtime)
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{
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int lpos;
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int lpaintedtime;
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DWORD *pbuf;
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#if defined(_WIN32) && !defined(NODIRECTX)
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int reps;
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DWORD dwSize=0,dwSize2=0;
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DWORD *pbuf2;
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HRESULT hresult;
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#endif
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snd_vol = volume.value*256;
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snd_p = (int *) paintbuffer;
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lpaintedtime = sc->paintedtime;
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#if defined(_WIN32) && !defined(NODIRECTX)
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if (sc->pDSBuf)
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{
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reps = 0;
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while ((hresult = sc->pDSBuf->lpVtbl->Lock(sc->pDSBuf, 0, sc->gSndBufSize, &pbuf, &dwSize,
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&pbuf2, &dwSize2, 0)) != DS_OK)
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{
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if (hresult != DSERR_BUFFERLOST)
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{
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Con_Printf ("S_TransferStereo16: DS::Lock Sound Buffer Failed\n");
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S_ShutdownCard (sc);
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SNDDMA_Init (sc);
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return;
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}
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if (++reps > 10000)
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{
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Con_Printf ("S_TransferStereo16: DS: couldn't restore buffer\n");
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S_ShutdownCard (sc);
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SNDDMA_Init (sc);
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return;
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}
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}
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}
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else
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#endif
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{
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pbuf = (DWORD *)sc->sn.buffer;
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}
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while (lpaintedtime < endtime)
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{
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// handle recirculating buffer issues
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lpos = lpaintedtime % ((sc->sn.samples>>1));
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snd_out = (short *) pbuf + (lpos<<1);
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sc->snd_linear_count = (sc->sn.samples>>1) - lpos;
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if (lpaintedtime + sc->snd_linear_count > endtime)
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sc->snd_linear_count = endtime - lpaintedtime;
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sc->snd_linear_count <<= 1;
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// write a linear blast of samples
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Snd_WriteLinearBlastStereo16 (sc);
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if (sc == sndcardinfo) //only do this for one sound card.
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Media_RecordAudioFrame(snd_out, sc->snd_linear_count);
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snd_p += sc->snd_linear_count;
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lpaintedtime += (sc->snd_linear_count>>1);
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}
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#if defined(_WIN32) && !defined(NODIRECTX)
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if (sc->pDSBuf)
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sc->pDSBuf->lpVtbl->Unlock(sc->pDSBuf, pbuf, dwSize, NULL, 0);
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#endif
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}
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void Snd_WriteLinearBlastStereo16_4Speaker (soundcardinfo_t *sc)
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{
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int i, i2;
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int val;
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for (i=0, i2=0; i<sc->snd_linear_count ; i+=4, i2+=6)
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{
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val = (snd_p[i2]*snd_vol)>>8;
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if (val > 0x7fff)
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snd_out[i] = 0x7fff;
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else if (val < (short)0x8000)
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snd_out[i] = (short)0x8000;
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else
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snd_out[i] = val;
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val = (snd_p[i2+1]*snd_vol)>>8;
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if (val > 0x7fff)
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snd_out[i+1] = 0x7fff;
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else if (val < (short)0x8000)
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snd_out[i+1] = (short)0x8000;
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else
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snd_out[i+1] = val;
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val = (snd_p[i2+2]*snd_vol)>>8;
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if (val > 0x7fff)
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snd_out[i+2] = 0x7fff;
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else if (val < (short)0x8000)
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snd_out[i+2] = (short)0x8000;
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else
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snd_out[i+2] = val;
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val = (snd_p[i2+3]*snd_vol)>>8;
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if (val > 0x7fff)
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snd_out[i+3] = 0x7fff;
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else if (val < (short)0x8000)
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snd_out[i+3] = (short)0x8000;
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else
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snd_out[i+3] = val;
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// snd_out[i+0] = rand();
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// snd_out[i+1] = rand();
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// snd_out[i+2] = rand();
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// snd_out[i+3] = rand();
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}
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}
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void S_Transfer4Speaker16 (soundcardinfo_t *sc, int endtime)
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{
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int lpos;
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int lpaintedtime;
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DWORD *pbuf;
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#if defined(_WIN32) && !defined(NODIRECTX)
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int reps;
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DWORD dwSize=0,dwSize2=0;
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DWORD *pbuf2;
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HRESULT hresult;
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#endif
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snd_vol = volume.value*256;
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snd_p = (int *) paintbuffer;
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lpaintedtime = sc->paintedtime;
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#if defined(_WIN32) && !defined(NODIRECTX)
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if (sc->pDSBuf)
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{
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reps = 0;
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while ((hresult = sc->pDSBuf->lpVtbl->Lock(sc->pDSBuf, 0, sc->gSndBufSize, &pbuf, &dwSize,
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&pbuf2, &dwSize2, 0)) != DS_OK)
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{
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if (hresult != DSERR_BUFFERLOST)
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{
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Con_Printf ("S_TransferStereo16: DS::Lock Sound Buffer Failed\n");
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S_ShutdownCard (sc);
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SNDDMA_Init (sc);
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return;
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}
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if (++reps > 10000)
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{
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Con_Printf ("S_TransferStereo16: DS: couldn't restore buffer\n");
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S_ShutdownCard (sc);
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SNDDMA_Init (sc);
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return;
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}
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}
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}
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else
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#endif
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{
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pbuf = (DWORD *)sc->sn.buffer;
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}
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while (lpaintedtime < endtime)
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{
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// handle recirculating buffer issues
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lpos = lpaintedtime % ((sc->sn.samples>>2));
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snd_out = (short *) pbuf + (lpos<<2);
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sc->snd_linear_count = (sc->sn.samples>>2) - lpos;
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if (lpaintedtime + sc->snd_linear_count > endtime)
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sc->snd_linear_count = endtime - lpaintedtime;
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sc->snd_linear_count <<= 2;
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// write a linear blast of samples
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Snd_WriteLinearBlastStereo16_4Speaker (sc);
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if (sc == sndcardinfo) //only do this for one sound card.
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Media_RecordAudioFrame(snd_out, sc->snd_linear_count);
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snd_p += sc->snd_linear_count;
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lpaintedtime += (sc->snd_linear_count>>2);
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}
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#if defined(_WIN32) && !defined(NODIRECTX)
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if (sc->pDSBuf)
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sc->pDSBuf->lpVtbl->Unlock(sc->pDSBuf, pbuf, dwSize, NULL, 0);
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#endif
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}
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void Snd_WriteLinearBlast6Speaker16 (soundcardinfo_t *sc)
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{
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int i;
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int val;
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for (i=0 ; i<sc->snd_linear_count ; i+=6)
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{
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val = (snd_p[i]*snd_vol)>>8;
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if (val > 0x7fff)
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snd_out[i] = 0x7fff;
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else if (val < (short)0x8000)
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snd_out[i] = (short)0x8000;
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else
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snd_out[i] = val;
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val = (snd_p[i+1]*snd_vol)>>8;
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if (val > 0x7fff)
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snd_out[i+1] = 0x7fff;
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else if (val < (short)0x8000)
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snd_out[i+1] = (short)0x8000;
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else
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snd_out[i+1] = val;
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val = (snd_p[i+2]*snd_vol)>>8;
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if (val > 0x7fff)
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snd_out[i+2] = 0x7fff;
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else if (val < (short)0x8000)
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snd_out[i+2] = (short)0x8000;
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else
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snd_out[i+2] = val;
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val = (snd_p[i+3]*snd_vol)>>8;
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if (val > 0x7fff)
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snd_out[i+3] = 0x7fff;
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else if (val < (short)0x8000)
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snd_out[i+3] = (short)0x8000;
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else
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snd_out[i+3] = val;
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val = (snd_p[i+4]*snd_vol)>>8;
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if (val > 0x7fff)
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snd_out[i+4] = 0x7fff;
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else if (val < (short)0x8000)
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snd_out[i+4] = (short)0x8000;
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else
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snd_out[i+4] = val;
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val = (snd_p[i+5]*snd_vol)>>8;
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if (val > 0x7fff)
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snd_out[i+5] = 0x7fff;
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else if (val < (short)0x8000)
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snd_out[i+5] = (short)0x8000;
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else
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snd_out[i+5] = val;
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#if 0
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snd_out[i+0] = rand();
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snd_out[i+1] = rand();
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snd_out[i+2] = rand();
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snd_out[i+3] = rand();
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snd_out[i+4] = rand();
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snd_out[i+5] = rand();
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#elif 0
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snd_out[i+0]=snd_out[i+1]=snd_out[i+2]=snd_out[i+3]=snd_out[i+4]=snd_out[i+5] = rand();
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#endif
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}
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}
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void S_Transfer6Speaker16 (soundcardinfo_t *sc, int endtime)
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{
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int lpos;
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int lpaintedtime;
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DWORD *pbuf;
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#if defined(_WIN32) && !defined(NODIRECTX)
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int reps;
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DWORD dwSize=0,dwSize2=0;
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DWORD *pbuf2;
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HRESULT hresult;
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#endif
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snd_vol = volume.value*256;
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snd_p = (int *) paintbuffer;
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lpaintedtime = sc->paintedtime;
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#if defined(_WIN32) && !defined(NODIRECTX)
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if (sc->pDSBuf)
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{
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reps = 0;
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while ((hresult = sc->pDSBuf->lpVtbl->Lock(sc->pDSBuf, 0, sc->gSndBufSize, &pbuf, &dwSize,
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&pbuf2, &dwSize2, 0)) != DS_OK)
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{
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if (hresult != DSERR_BUFFERLOST)
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{
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Con_Printf ("S_TransferStereo16: DS::Lock Sound Buffer Failed\n");
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S_ShutdownCard (sc);
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SNDDMA_Init (sc);
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return;
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}
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if (++reps > 10000)
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{
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|
|
Con_Printf ("S_TransferStereo16: DS: couldn't restore buffer\n");
|
||
|
|
S_ShutdownCard (sc);
|
||
|
|
SNDDMA_Init (sc);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
pbuf = (DWORD *)sc->sn.buffer;
|
||
|
|
}
|
||
|
|
|
||
|
|
while (lpaintedtime < endtime)
|
||
|
|
{
|
||
|
|
// handle recirculating buffer issues
|
||
|
|
lpos = (lpaintedtime % ((sc->sn.samples/6)));
|
||
|
|
|
||
|
|
snd_out = (short *) pbuf + (lpos*6);
|
||
|
|
|
||
|
|
sc->snd_linear_count = (sc->sn.samples/6) - lpos;
|
||
|
|
if (lpaintedtime + sc->snd_linear_count > endtime)
|
||
|
|
sc->snd_linear_count = endtime - lpaintedtime;
|
||
|
|
|
||
|
|
sc->snd_linear_count *= 6;
|
||
|
|
|
||
|
|
// write a linear blast of samples
|
||
|
|
Snd_WriteLinearBlast6Speaker16 (sc);
|
||
|
|
|
||
|
|
if (sc == sndcardinfo) //only do this for one sound card.
|
||
|
|
Media_RecordAudioFrame(snd_out, sc->snd_linear_count);
|
||
|
|
|
||
|
|
snd_p += sc->snd_linear_count;
|
||
|
|
lpaintedtime += (sc->snd_linear_count/6);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if defined(_WIN32) && !defined(NODIRECTX)
|
||
|
|
if (sc->pDSBuf)
|
||
|
|
sc->pDSBuf->lpVtbl->Unlock(sc->pDSBuf, pbuf, dwSize, NULL, 0);
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
void S_TransferPaintBuffer(soundcardinfo_t *sc, int endtime)
|
||
|
|
{
|
||
|
|
int out_idx;
|
||
|
|
int count;
|
||
|
|
int out_mask;
|
||
|
|
int *p;
|
||
|
|
int step;
|
||
|
|
int val;
|
||
|
|
int snd_vol;
|
||
|
|
DWORD *pbuf;
|
||
|
|
#if defined(_WIN32) && !defined(NODIRECTX)
|
||
|
|
int reps;
|
||
|
|
DWORD dwSize=0,dwSize2=0;
|
||
|
|
DWORD *pbuf2;
|
||
|
|
HRESULT hresult;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (sc->sn.samplebits == 16 && sc->sn.numchannels == 2)
|
||
|
|
{
|
||
|
|
S_TransferStereo16 (sc, endtime);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (sc->sn.samplebits == 16 && sc->sn.numchannels == 6)
|
||
|
|
{
|
||
|
|
S_Transfer6Speaker16 (sc, endtime);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (sc->sn.samplebits == 16 && sc->sn.numchannels == 4)
|
||
|
|
{
|
||
|
|
S_Transfer4Speaker16 (sc, endtime);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
p = (int *) paintbuffer;
|
||
|
|
count = (endtime - sc->paintedtime) * sc->sn.numchannels;
|
||
|
|
out_mask = sc->sn.samples - 1;
|
||
|
|
out_idx = sc->paintedtime * sc->sn.numchannels & out_mask;
|
||
|
|
if (sc->sn.numchannels>2)
|
||
|
|
step = 1;
|
||
|
|
else
|
||
|
|
step = 3 - sc->sn.numchannels;
|
||
|
|
snd_vol = volume.value*256;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#if defined(_WIN32) && !defined(NODIRECTX)
|
||
|
|
if (sc->pDSBuf)
|
||
|
|
{
|
||
|
|
reps = 0;
|
||
|
|
|
||
|
|
while ((hresult = sc->pDSBuf->lpVtbl->Lock(sc->pDSBuf, 0, sc->gSndBufSize, &pbuf, &dwSize,
|
||
|
|
&pbuf2,&dwSize2, 0)) != DS_OK)
|
||
|
|
{
|
||
|
|
if (hresult != DSERR_BUFFERLOST)
|
||
|
|
{
|
||
|
|
Con_Printf ("S_TransferPaintBuffer: DS::Lock Sound Buffer Failed\n");
|
||
|
|
S_ShutdownCard (sc);
|
||
|
|
SNDDMA_Init (sc);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (++reps > 10000)
|
||
|
|
{
|
||
|
|
Con_Printf ("S_TransferPaintBuffer: DS: couldn't restore buffer\n");
|
||
|
|
S_ShutdownCard (sc);
|
||
|
|
SNDDMA_Init (sc);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
pbuf = (DWORD *)sc->sn.buffer;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (sc->sn.samplebits == 16)
|
||
|
|
{
|
||
|
|
short *out = (short *) pbuf;
|
||
|
|
while (count--)
|
||
|
|
{
|
||
|
|
val = (*p * snd_vol) >> 8;
|
||
|
|
p+= step;
|
||
|
|
if (val > 0x7fff)
|
||
|
|
val = 0x7fff;
|
||
|
|
else if (val < (short)0x8000)
|
||
|
|
val = (short)0x8000;
|
||
|
|
out[out_idx] = val;
|
||
|
|
out_idx = (out_idx + 1) & out_mask;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (sc->sn.samplebits == 8)
|
||
|
|
{
|
||
|
|
unsigned char *out = (unsigned char *) pbuf;
|
||
|
|
while (count--)
|
||
|
|
{
|
||
|
|
val = (*p * snd_vol) >> 8;
|
||
|
|
p+= step;
|
||
|
|
if (val > 0x7fff)
|
||
|
|
val = 0x7fff;
|
||
|
|
else if (val < (short)0x8000)
|
||
|
|
val = (short)0x8000;
|
||
|
|
out[out_idx] = (val>>8) + 128;
|
||
|
|
out_idx = (out_idx + 1) & out_mask;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#if defined(_WIN32) && !defined(NODIRECTX)
|
||
|
|
if (sc->pDSBuf) {
|
||
|
|
DWORD dwNewpos, dwWrite;
|
||
|
|
int il = sc->paintedtime;
|
||
|
|
int ir = endtime - sc->paintedtime;
|
||
|
|
|
||
|
|
ir += il;
|
||
|
|
|
||
|
|
sc->pDSBuf->lpVtbl->Unlock(sc->pDSBuf, pbuf, dwSize, NULL, 0);
|
||
|
|
|
||
|
|
sc->pDSBuf->lpVtbl->GetCurrentPosition(sc->pDSBuf, &dwNewpos, &dwWrite);
|
||
|
|
|
||
|
|
// if ((dwNewpos >= il) && (dwNewpos <= ir))
|
||
|
|
// Con_Printf("%d-%d p %d c\n", il, ir, dwNewpos);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
===============================================================================
|
||
|
|
|
||
|
|
CHANNEL MIXING
|
||
|
|
|
||
|
|
===============================================================================
|
||
|
|
*/
|
||
|
|
|
||
|
|
void SND_PaintChannelFrom8 (channel_t *ch, sfxcache_t *sc, int endtime);
|
||
|
|
void SND_PaintChannelFrom8Duel (channel_t *ch, sfxcache_t *sc, int endtime);
|
||
|
|
void SND_PaintChannelFrom16 (channel_t *ch, sfxcache_t *sc, int endtime);
|
||
|
|
void SND_PaintChannelFrom8_4Speaker (channel_t *ch, sfxcache_t *sc, int count);
|
||
|
|
void SND_PaintChannelFrom16_4Speaker (channel_t *ch, sfxcache_t *sc, int count);
|
||
|
|
void SND_PaintChannelFrom8_6Speaker (channel_t *ch, sfxcache_t *sc, int count);
|
||
|
|
void SND_PaintChannelFrom16_6Speaker (channel_t *ch, sfxcache_t *sc, int count);
|
||
|
|
void SND_PaintChannelFrom8Stereo (channel_t *ch, sfxcache_t *sc, int count);
|
||
|
|
void SND_PaintChannelFrom16Stereo (channel_t *ch, sfxcache_t *sc, int count);
|
||
|
|
|
||
|
|
void S_PaintChannels(soundcardinfo_t *sc, int endtime)
|
||
|
|
{
|
||
|
|
int i, j;
|
||
|
|
int end;
|
||
|
|
channel_t *ch;
|
||
|
|
sfxcache_t *scache;
|
||
|
|
sfx_t *s;
|
||
|
|
int ltime, count;
|
||
|
|
|
||
|
|
// sc->rawstart += sc->paintedtime - sc->oldpaintedtime;
|
||
|
|
// sc->oldpaintedtime = sc->paintedtime;
|
||
|
|
|
||
|
|
while (sc->paintedtime < endtime)
|
||
|
|
{
|
||
|
|
// if paintbuffer is smaller than DMA buffer
|
||
|
|
end = endtime;
|
||
|
|
if (endtime - sc->paintedtime > PAINTBUFFER_SIZE)
|
||
|
|
end = sc->paintedtime + PAINTBUFFER_SIZE;
|
||
|
|
|
||
|
|
// clear the paint buffer
|
||
|
|
Q_memset(paintbuffer, 0, (end - sc->paintedtime) * sizeof(portable_samplegroup_t));
|
||
|
|
|
||
|
|
// paint in the channels.
|
||
|
|
ch = sc->channel;
|
||
|
|
for (i=0; i<sc->total_chans ; i++, ch++)
|
||
|
|
{
|
||
|
|
if (!ch->sfx)
|
||
|
|
continue;
|
||
|
|
if (!ch->vol[0] && !ch->vol[1] && !ch->vol[2] && !ch->vol[3] && !ch->vol[4] && !ch->vol[5])
|
||
|
|
continue;
|
||
|
|
scache = S_LoadSound (ch->sfx);
|
||
|
|
if (!scache)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
if (ch->pos > scache->length) //cache was flushed and gamedir changed.
|
||
|
|
{
|
||
|
|
ch->pos = scache->length;
|
||
|
|
ch->end = scache->length;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
ltime = sc->paintedtime;
|
||
|
|
|
||
|
|
if (ch->sfx->decoder)
|
||
|
|
{
|
||
|
|
soundcardinfo_t *sndc;
|
||
|
|
#define qmax(x, y) (x>y)?(x):(y)
|
||
|
|
ch->sfx->decoder->decodemore(ch->sfx,
|
||
|
|
ch->pos + end-ltime+1000);
|
||
|
|
//ch->pos + qmax(end-ltime+1000, 1000)); //try to exceed by a little.
|
||
|
|
scache = S_LoadSound (ch->sfx);
|
||
|
|
if (!scache)
|
||
|
|
continue;
|
||
|
|
|
||
|
|
for (sndc = sndcardinfo; sndc; sndc=sndc->next)
|
||
|
|
{
|
||
|
|
for (j = 0; j < sndc->total_chans; j++)
|
||
|
|
if (sndc->channel[j].sfx == ch->sfx) //extend all of these.
|
||
|
|
ch->end = ltime + (scache->length - ch->pos);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
while (ltime < end)
|
||
|
|
{ // paint up to end
|
||
|
|
if (ch->end < end)
|
||
|
|
count = ch->end - ltime;
|
||
|
|
else
|
||
|
|
count = end - ltime;
|
||
|
|
|
||
|
|
if (count > 0)
|
||
|
|
{
|
||
|
|
if (ch->pos < 0) //delay the sound a little
|
||
|
|
{
|
||
|
|
if (count > -ch->pos)
|
||
|
|
count = -ch->pos;
|
||
|
|
ltime += count;
|
||
|
|
ch->pos += count;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*dmw having fun
|
||
|
|
int uw;
|
||
|
|
int oldpos = ch->pos;
|
||
|
|
int vol = ch->vol[0];
|
||
|
|
int rvol = ch->vol[1];
|
||
|
|
int end = ch->end;
|
||
|
|
ch->vol[1]=0;
|
||
|
|
ch->vol[0]/=2;
|
||
|
|
for (uw = 0; uw < 5; uw++)
|
||
|
|
{
|
||
|
|
*/
|
||
|
|
if (scache->width == 1)
|
||
|
|
{
|
||
|
|
if (scache->stereo)
|
||
|
|
SND_PaintChannelFrom8Stereo(ch, scache, count);
|
||
|
|
else if (sc->sn.numchannels == 6)
|
||
|
|
SND_PaintChannelFrom8_6Speaker(ch, scache, count);
|
||
|
|
else if (sc->sn.numchannels == 4)
|
||
|
|
SND_PaintChannelFrom8_4Speaker(ch, scache, count);
|
||
|
|
else
|
||
|
|
SND_PaintChannelFrom8(ch, scache, count);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (scache->stereo)
|
||
|
|
SND_PaintChannelFrom16Stereo(ch, scache, count);
|
||
|
|
else if (sc->sn.numchannels == 6)
|
||
|
|
SND_PaintChannelFrom16_6Speaker(ch, scache, count);
|
||
|
|
else if (sc->sn.numchannels == 4)
|
||
|
|
SND_PaintChannelFrom16_4Speaker(ch, scache, count);
|
||
|
|
else
|
||
|
|
SND_PaintChannelFrom16(ch, scache, count);
|
||
|
|
}
|
||
|
|
/* lots of fun
|
||
|
|
// ch->vol[0]*=-1;
|
||
|
|
ch->vol[1]=0;
|
||
|
|
ch->vol[0]/=1.3;
|
||
|
|
ch->pos=oldpos-cursndcard->sn.speed*uw*0.06;
|
||
|
|
if (ch->pos >= sc->length || ch->pos < 0)
|
||
|
|
break;
|
||
|
|
|
||
|
|
}
|
||
|
|
ch->vol[0] = vol;
|
||
|
|
ch->vol[1] = rvol;
|
||
|
|
ch->pos = oldpos+count;
|
||
|
|
*/
|
||
|
|
ltime += count;
|
||
|
|
}
|
||
|
|
|
||
|
|
// if at end of loop, restart
|
||
|
|
if (ltime >= ch->end)
|
||
|
|
{
|
||
|
|
if (scache->loopstart >= 0)
|
||
|
|
{
|
||
|
|
ch->pos = scache->loopstart;
|
||
|
|
ch->end = ltime + scache->length - ch->pos;
|
||
|
|
if (!scache->length)
|
||
|
|
{
|
||
|
|
scache->loopstart=-1;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{ // channel just stopped
|
||
|
|
s = ch->sfx;
|
||
|
|
ch->sfx = NULL;
|
||
|
|
if (s->decoder)
|
||
|
|
{
|
||
|
|
if (!S_IsPlayingSomewhere(s))
|
||
|
|
s->decoder->abort(s);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// transfer out according to DMA format
|
||
|
|
S_TransferPaintBuffer(sc, end);
|
||
|
|
sc->paintedtime = end;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void SND_InitScaletable (void)
|
||
|
|
{
|
||
|
|
int i, j;
|
||
|
|
|
||
|
|
for (i=0 ; i<32 ; i++)
|
||
|
|
for (j=0 ; j<256 ; j++)
|
||
|
|
snd_scaletable[i][j] = ((signed char)j) * i * 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
#if defined(NOSOUNDASM) || !id386
|
||
|
|
|
||
|
|
void SND_PaintChannelFrom8 (channel_t *ch, sfxcache_t *sc, int count)
|
||
|
|
{
|
||
|
|
int data;
|
||
|
|
int *lscale, *rscale;
|
||
|
|
unsigned char *sfx;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
if (ch->vol[0] > 255)
|
||
|
|
ch->vol[0] = 255;
|
||
|
|
if (ch->vol[1] > 255)
|
||
|
|
ch->vol[1] = 255;
|
||
|
|
|
||
|
|
|
||
|
|
lscale = snd_scaletable[ch->vol[0] >> 3];
|
||
|
|
rscale = snd_scaletable[ch->vol[1] >> 3];
|
||
|
|
sfx = (signed char *)sc->data + ch->pos;
|
||
|
|
|
||
|
|
for (i=0 ; i<count ; i++)
|
||
|
|
{
|
||
|
|
data = sfx[i];
|
||
|
|
paintbuffer[i].s[0] += lscale[data];
|
||
|
|
paintbuffer[i].s[1] += rscale[data];
|
||
|
|
}
|
||
|
|
|
||
|
|
ch->pos += count;
|
||
|
|
}
|
||
|
|
void SND_PaintChannelFrom8Duel (channel_t *ch, sfxcache_t *sc, int count)
|
||
|
|
{
|
||
|
|
int *lscale, *rscale;
|
||
|
|
unsigned char *sfx1, *sfx2;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
if (ch->vol[0] > 255)
|
||
|
|
ch->vol[0] = 255;
|
||
|
|
if (ch->vol[1] > 255)
|
||
|
|
ch->vol[1] = 255;
|
||
|
|
|
||
|
|
|
||
|
|
lscale = snd_scaletable[ch->vol[0] >> 3];
|
||
|
|
rscale = snd_scaletable[ch->vol[1] >> 3];
|
||
|
|
i = ch->pos - ch->delay[0];
|
||
|
|
if (i < 0) i = 0;
|
||
|
|
sfx1 = (signed char *)sc->data + i;
|
||
|
|
i = ch->pos - ch->delay[1];
|
||
|
|
if (i < 0) i = 0;
|
||
|
|
sfx2 = (signed char *)sc->data + i;
|
||
|
|
|
||
|
|
for (i=0 ; i<count ; i++)
|
||
|
|
{
|
||
|
|
paintbuffer[i].s[0] += lscale[sfx1[i]];
|
||
|
|
paintbuffer[i].s[1] += rscale[sfx2[i]];
|
||
|
|
}
|
||
|
|
|
||
|
|
ch->pos += count;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // !id386
|
||
|
|
|
||
|
|
void SND_PaintChannelFrom8Stereo (channel_t *ch, sfxcache_t *sc, int count)
|
||
|
|
{
|
||
|
|
// int data;
|
||
|
|
int *lscale, *rscale;
|
||
|
|
unsigned char *sfx;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
if (ch->vol[0] > 255)
|
||
|
|
ch->vol[0] = 255;
|
||
|
|
if (ch->vol[1] > 255)
|
||
|
|
ch->vol[1] = 255;
|
||
|
|
|
||
|
|
|
||
|
|
lscale = snd_scaletable[ch->vol[0] >> 3];
|
||
|
|
rscale = snd_scaletable[ch->vol[1] >> 3];
|
||
|
|
sfx = (signed char *)sc->data + ch->pos;
|
||
|
|
|
||
|
|
for (i=0 ; i<count ; i++)
|
||
|
|
{
|
||
|
|
paintbuffer[i].s[0] += lscale[sfx[(i<<1)]];
|
||
|
|
paintbuffer[i].s[1] += rscale[sfx[(i<<1)+1]];
|
||
|
|
}
|
||
|
|
|
||
|
|
ch->pos += count;
|
||
|
|
}
|
||
|
|
|
||
|
|
void SND_PaintChannelFrom8_4Speaker (channel_t *ch, sfxcache_t *sc, int count)
|
||
|
|
{
|
||
|
|
int *scale0, *scale1, *scale2, *scale3;
|
||
|
|
unsigned char *sfx;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
if (ch->vol[0] > 255)
|
||
|
|
ch->vol[0] = 255;
|
||
|
|
if (ch->vol[1] > 255)
|
||
|
|
ch->vol[1] = 255;
|
||
|
|
if (ch->vol[2] > 255)
|
||
|
|
ch->vol[2] = 255;
|
||
|
|
if (ch->vol[3] > 255)
|
||
|
|
ch->vol[3] = 255;
|
||
|
|
|
||
|
|
scale0 = snd_scaletable[ch->vol[0] >> 3];
|
||
|
|
scale1 = snd_scaletable[ch->vol[1] >> 3];
|
||
|
|
scale2 = snd_scaletable[ch->vol[2] >> 3];
|
||
|
|
scale3 = snd_scaletable[ch->vol[3] >> 3];
|
||
|
|
sfx = (signed char *)sc->data + ch->pos;
|
||
|
|
|
||
|
|
for (i=0 ; i<count ; i++)
|
||
|
|
{
|
||
|
|
paintbuffer[i].s[0] += scale0[sfx[i]];
|
||
|
|
paintbuffer[i].s[1] += scale1[sfx[i]];
|
||
|
|
paintbuffer[i].s[2] += scale2[sfx[i]];
|
||
|
|
paintbuffer[i].s[3] += scale3[sfx[i]];
|
||
|
|
}
|
||
|
|
|
||
|
|
ch->pos += count;
|
||
|
|
}
|
||
|
|
|
||
|
|
void SND_PaintChannelFrom8_6Speaker (channel_t *ch, sfxcache_t *sc, int count)
|
||
|
|
{
|
||
|
|
int *scale0, *scale1, *scale2, *scale3, *scale4, *scale5;
|
||
|
|
unsigned char *sfx;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
if (ch->vol[0] > 255)
|
||
|
|
ch->vol[0] = 255;
|
||
|
|
if (ch->vol[1] > 255)
|
||
|
|
ch->vol[1] = 255;
|
||
|
|
if (ch->vol[2] > 255)
|
||
|
|
ch->vol[2] = 255;
|
||
|
|
if (ch->vol[3] > 255)
|
||
|
|
ch->vol[3] = 255;
|
||
|
|
if (ch->vol[4] > 255)
|
||
|
|
ch->vol[4] = 255;
|
||
|
|
if (ch->vol[5] > 255)
|
||
|
|
ch->vol[5] = 255;
|
||
|
|
|
||
|
|
scale0 = snd_scaletable[ch->vol[0] >> 3];
|
||
|
|
scale1 = snd_scaletable[ch->vol[1] >> 3];
|
||
|
|
scale2 = snd_scaletable[ch->vol[2] >> 3];
|
||
|
|
scale3 = snd_scaletable[ch->vol[3] >> 3];
|
||
|
|
scale4 = snd_scaletable[ch->vol[4] >> 3];
|
||
|
|
scale5 = snd_scaletable[ch->vol[5] >> 3];
|
||
|
|
sfx = (signed char *)sc->data + ch->pos;
|
||
|
|
|
||
|
|
for (i=0 ; i<count ; i++)
|
||
|
|
{
|
||
|
|
paintbuffer[i].s[0] += scale0[sfx[i]];
|
||
|
|
paintbuffer[i].s[1] += scale1[sfx[i]];
|
||
|
|
paintbuffer[i].s[2] += scale2[sfx[i]];
|
||
|
|
paintbuffer[i].s[3] += scale3[sfx[i]];
|
||
|
|
paintbuffer[i].s[4] += scale4[sfx[i]];
|
||
|
|
paintbuffer[i].s[5] += scale5[sfx[i]];
|
||
|
|
}
|
||
|
|
|
||
|
|
ch->pos += count;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
void SND_PaintChannelFrom16 (channel_t *ch, sfxcache_t *sc, int count)
|
||
|
|
{
|
||
|
|
int data;
|
||
|
|
int left, right;
|
||
|
|
int leftvol, rightvol;
|
||
|
|
signed short *sfx;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
leftvol = ch->vol[0];
|
||
|
|
rightvol = ch->vol[1];
|
||
|
|
sfx = (signed short *)sc->data + ch->pos;
|
||
|
|
|
||
|
|
for (i=0 ; i<count ; i++)
|
||
|
|
{
|
||
|
|
data = sfx[i];
|
||
|
|
left = (data * leftvol) >> 8;
|
||
|
|
right = (data * rightvol) >> 8;
|
||
|
|
paintbuffer[i].s[0] += left;
|
||
|
|
paintbuffer[i].s[1] += right;
|
||
|
|
}
|
||
|
|
|
||
|
|
ch->pos += count;
|
||
|
|
}
|
||
|
|
|
||
|
|
void SND_PaintChannelFrom16Stereo (channel_t *ch, sfxcache_t *sc, int count)
|
||
|
|
{
|
||
|
|
int leftvol, rightvol;
|
||
|
|
signed short *sfx;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
leftvol = ch->vol[0];
|
||
|
|
rightvol = ch->vol[1];
|
||
|
|
sfx = (signed short *)sc->data + ch->pos*2;
|
||
|
|
|
||
|
|
for (i=0 ; i<count ; i++)
|
||
|
|
{
|
||
|
|
paintbuffer[i].s[0] += (*sfx++ * leftvol) >> 8;
|
||
|
|
paintbuffer[i].s[1] += (*sfx++ * rightvol) >> 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
ch->pos += count;
|
||
|
|
}
|
||
|
|
|
||
|
|
void SND_PaintChannelFrom16_6Speaker (channel_t *ch, sfxcache_t *sc, int count)
|
||
|
|
{
|
||
|
|
int vol[6];
|
||
|
|
signed short *sfx;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
vol[0] = ch->vol[0];
|
||
|
|
vol[1] = ch->vol[1];
|
||
|
|
vol[2] = ch->vol[2];
|
||
|
|
vol[3] = ch->vol[3];
|
||
|
|
vol[4] = ch->vol[4];
|
||
|
|
vol[5] = ch->vol[5];
|
||
|
|
sfx = (signed short *)sc->data + ch->pos;
|
||
|
|
|
||
|
|
for (i=0 ; i<count ; i++)
|
||
|
|
{
|
||
|
|
paintbuffer[i].s[0] += (sfx[i] * vol[0]) >> 8;
|
||
|
|
paintbuffer[i].s[1] += (sfx[i] * vol[1]) >> 8;
|
||
|
|
paintbuffer[i].s[2] += (sfx[i] * vol[2]) >> 8;
|
||
|
|
paintbuffer[i].s[3] += (sfx[i] * vol[3]) >> 8;
|
||
|
|
paintbuffer[i].s[4] += (sfx[i] * vol[4]) >> 8;
|
||
|
|
paintbuffer[i].s[5] += (sfx[i] * vol[5]) >> 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
ch->pos += count;
|
||
|
|
}
|
||
|
|
|
||
|
|
void SND_PaintChannelFrom16_4Speaker (channel_t *ch, sfxcache_t *sc, int count)
|
||
|
|
{
|
||
|
|
int vol[4];
|
||
|
|
signed short *sfx;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
vol[0] = ch->vol[0];
|
||
|
|
vol[1] = ch->vol[1];
|
||
|
|
vol[2] = ch->vol[2];
|
||
|
|
vol[3] = ch->vol[3];
|
||
|
|
sfx = (signed short *)sc->data + ch->pos;
|
||
|
|
|
||
|
|
for (i=0 ; i<count ; i++)
|
||
|
|
{
|
||
|
|
paintbuffer[i].s[0] += (sfx[i] * vol[0]) >> 8;
|
||
|
|
paintbuffer[i].s[1] += (sfx[i] * vol[1]) >> 8;
|
||
|
|
paintbuffer[i].s[2] += (sfx[i] * vol[2]) >> 8;
|
||
|
|
paintbuffer[i].s[3] += (sfx[i] * vol[3]) >> 8;
|
||
|
|
}
|
||
|
|
|
||
|
|
ch->pos += count;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|