mirror of
https://github.com/id-Software/DOOM-3-BFG.git
synced 2024-12-11 13:11:47 +00:00
400 lines
8.9 KiB
C++
400 lines
8.9 KiB
C++
/*
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TiMidity -- Experimental MIDI to WAVE converter
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Copyright (C) 1995 Tuukka Toivonen <toivonen@clinet.fi>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(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. See the
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "../../idlib/precompiled.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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//#include "SDL.h"
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#include "config.h"
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#include "common.h"
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#include "instrum.h"
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#include "playmidi.h"
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#include "readmidi.h"
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#include "output.h"
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#include "controls.h"
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#include "timidity.h"
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#include "tables.h"
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//void *Real_Tim_Malloc( int sz );
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//void Real_Tim_Free( void *pt );
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void (*s32tobuf)(void *dp, int32_t *lp, int32_t c);
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int free_instruments_afterwards=0;
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static char def_instr_name[256]="";
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int AUDIO_BUFFER_SIZE;
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sample_t *resample_buffer;
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int32_t *common_buffer;
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#define MAXWORDS 10
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// Alternative to FGets
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char* Gets( idFile & file, char *buf, int bsize ) {
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int i;
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char c;
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int done = 0;
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if (buf == 0 || bsize <= 0 )
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return 0;
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for (i = 0; !done && i < bsize - 1; i++) {
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int red = file.ReadChar(c);
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if (red == 0) {
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done = 1;
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i--;
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} else {
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buf[i] = c;
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if (c == '\n')
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done = 1;
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}
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}
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buf[i] = '\0';
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if (i == 0)
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return 0;
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else
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return buf;
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}
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static int read_config_file(const char *name)
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{
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idFile * fp;
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char *w[MAXWORDS], *cp;
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ToneBank *bank=0;
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int i, j, k, line=0, words;
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static int rcf_count=0;
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if (rcf_count>50)
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"Probable source loop in configuration files");
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return (-1);
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}
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if (!(fp=open_file(name, 1, OF_VERBOSE)))
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return -2;
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char tokTmp[1024];
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while ( Gets( *fp, tokTmp, 1024 ) )
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{
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line++;
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w[words=0]=strtok(tokTmp, " \t\r\n\240");
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if (!w[0] || (*w[0]=='#')) continue;
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while (w[words] && (words < MAXWORDS))
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w[++words]=strtok(0," \t\r\n\240");
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if (!strcmp(w[0], "dir"))
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{
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if (words < 2)
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"%s: line %d: No directory given\n", name, line);
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return -3;
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}
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for (i=1; i<words; i++)
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add_to_pathlist(w[i]);
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}
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else if (!strcmp(w[0], "source"))
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{
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if (words < 2)
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"%s: line %d: No file name given\n", name, line);
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return -4;
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}
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for (i=1; i<words; i++)
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{
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rcf_count++;
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read_config_file(w[i]);
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rcf_count--;
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}
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}
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else if (!strcmp(w[0], "default"))
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{
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if (words != 2)
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"%s: line %d: Must specify exactly one patch name\n",
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name, line);
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return -5;
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}
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strncpy(def_instr_name, w[1], 255);
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def_instr_name[255]='\0';
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}
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else if (!strcmp(w[0], "drumset"))
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{
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if (words < 2)
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"%s: line %d: No drum set number given\n",
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name, line);
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return -6;
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}
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i=atoi(w[1]);
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if (i<0 || i>127)
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"%s: line %d: Drum set must be between 0 and 127\n",
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name, line);
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return -7;
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}
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if (!drumset[i])
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{
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drumset[i]=(ToneBank*)safe_malloc(sizeof(ToneBank));
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memset(drumset[i], 0, sizeof(ToneBank));
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}
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bank=drumset[i];
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}
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else if (!strcmp(w[0], "bank"))
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{
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if (words < 2)
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"%s: line %d: No bank number given\n",
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name, line);
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return -8;
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}
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i=atoi(w[1]);
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if (i<0 || i>127)
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"%s: line %d: Tone bank must be between 0 and 127\n",
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name, line);
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return -9;
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}
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if (!tonebank[i])
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{
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tonebank[i]=(ToneBank*)safe_malloc(sizeof(ToneBank));
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memset(tonebank[i], 0, sizeof(ToneBank));
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}
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bank=tonebank[i];
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}
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else {
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if ((words < 2) || (*w[0] < '0' || *w[0] > '9'))
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"%s: line %d: syntax error\n", name, line);
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return -10;
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}
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i=atoi(w[0]);
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if (i<0 || i>127)
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"%s: line %d: Program must be between 0 and 127\n",
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name, line);
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return -11;
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}
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if (!bank)
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"%s: line %d: Must specify tone bank or drum set "
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"before assignment\n",
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name, line);
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return -12;
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}
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if (bank->tone[i].name)
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Real_Tim_Free(bank->tone[i].name);
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strcpy((bank->tone[i].name=(char*)safe_malloc(strlen(w[1])+1)),w[1]);
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bank->tone[i].note=bank->tone[i].amp=bank->tone[i].pan=
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bank->tone[i].strip_loop=bank->tone[i].strip_envelope=
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bank->tone[i].strip_tail=-1;
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for (j=2; j<words; j++)
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{
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if (!(cp=strchr(w[j], '=')))
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "%s: line %d: bad patch option %s\n",
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name, line, w[j]);
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return -13;
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}
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*cp++=0;
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if (!strcmp(w[j], "amp"))
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{
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k=atoi(cp);
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if ((k<0 || k>MAX_AMPLIFICATION) || (*cp < '0' || *cp > '9'))
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"%s: line %d: amplification must be between "
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"0 and %d\n", name, line, MAX_AMPLIFICATION);
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return -14;
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}
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bank->tone[i].amp=k;
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}
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else if (!strcmp(w[j], "note"))
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{
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k=atoi(cp);
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if ((k<0 || k>127) || (*cp < '0' || *cp > '9'))
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"%s: line %d: note must be between 0 and 127\n",
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name, line);
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return -15;
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}
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bank->tone[i].note=k;
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}
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else if (!strcmp(w[j], "pan"))
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{
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if (!strcmp(cp, "center"))
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k=64;
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else if (!strcmp(cp, "left"))
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k=0;
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else if (!strcmp(cp, "right"))
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k=127;
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else
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k=((atoi(cp)+100) * 100) / 157;
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if ((k<0 || k>127) ||
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(k==0 && *cp!='-' && (*cp < '0' || *cp > '9')))
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"%s: line %d: panning must be left, right, "
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"center, or between -100 and 100\n",
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name, line);
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return -16;
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}
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bank->tone[i].pan=k;
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}
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else if (!strcmp(w[j], "keep"))
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{
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if (!strcmp(cp, "env"))
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bank->tone[i].strip_envelope=0;
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else if (!strcmp(cp, "loop"))
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bank->tone[i].strip_loop=0;
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else
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"%s: line %d: keep must be env or loop\n", name, line);
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return -17;
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}
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}
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else if (!strcmp(w[j], "strip"))
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{
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if (!strcmp(cp, "env"))
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bank->tone[i].strip_envelope=1;
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else if (!strcmp(cp, "loop"))
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bank->tone[i].strip_loop=1;
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else if (!strcmp(cp, "tail"))
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bank->tone[i].strip_tail=1;
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else
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL,
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"%s: line %d: strip must be env, loop, or tail\n",
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name, line);
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return -18;
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}
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}
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else
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "%s: line %d: bad patch option %s\n",
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name, line, w[j]);
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return -19;
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}
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}
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}
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}
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if ( fp == 0 ) //(ferror(fp))
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{
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "Can't read from %s\n", name);
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close_file(fp);
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return -20;
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}
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close_file(fp);
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return 0;
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}
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int Timidity_Init(int rate, int format, int channels, int samples, const char* config)
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{
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int ret;
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ret = read_config_file(config);
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if (ret < 0) {
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return(ret);
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}
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/* Set play mode parameters */
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play_mode->rate = rate;
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play_mode->encoding = 0;
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if ( (format&0xFF) == 16 ) {
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play_mode->encoding |= PE_16BIT;
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}
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if ( (format&0x8000) ) {
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play_mode->encoding |= PE_SIGNED;
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}
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if ( channels == 1 ) {
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play_mode->encoding |= PE_MONO;
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}
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switch (format) {
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case AUDIO_S8:
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s32tobuf = s32tos8;
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break;
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case AUDIO_U8:
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s32tobuf = s32tou8;
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break;
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case AUDIO_S16LSB:
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s32tobuf = s32tos16l;
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break;
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case AUDIO_S16MSB:
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s32tobuf = s32tos16b;
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break;
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case AUDIO_U16LSB:
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s32tobuf = s32tou16l;
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break;
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case AUDIO_U16MSB:
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s32tobuf = s32tou16b;
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break;
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default:
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "Unsupported audio format");
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return(-1);
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}
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AUDIO_BUFFER_SIZE = samples;
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/* Allocate memory for mixing (WARNING: Memory leak!) */
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resample_buffer = (sample_t*)safe_malloc(AUDIO_BUFFER_SIZE*sizeof(sample_t));
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common_buffer = (int32*)safe_malloc(AUDIO_BUFFER_SIZE*2*sizeof(int32_t));
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init_tables();
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if (ctl->open(0, 0)) {
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ctl->cmsg(CMSG_ERROR, VERB_NORMAL, "Couldn't open %s\n", ctl->id_name);
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return(-1);
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}
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if (!control_ratio) {
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control_ratio = play_mode->rate / CONTROLS_PER_SECOND;
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if(control_ratio<1)
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control_ratio=1;
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else if (control_ratio > MAX_CONTROL_RATIO)
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control_ratio=MAX_CONTROL_RATIO;
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}
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if (*def_instr_name)
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set_default_instrument(def_instr_name);
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return(0);
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}
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char timidity_error[TIMIDITY_ERROR_MAX_CHARS] = "";
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char *Timidity_Error(void)
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{
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return(timidity_error);
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}
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