main.c

   1 /*
   2
   3     Ann Hell Ex Machina - Music Software
   4     Copyright (C) 2003/2007 Angel Ortega <angel@triptico.com>
   5
   6     main.c - Miscellaneous functions and startup
   7
   8     This program is free software; you can redistribute it and/or
   9     modify it under the terms of the GNU General Public License
  10     as published by the Free Software Foundation; either version 2
  11     of the License, or (at your option) any later version.
  12
  13     This program is distributed in the hope that it will be useful,
  14     but WITHOUT ANY WARRANTY; without even the implied warranty of
  15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16     GNU General Public License for more details.
  17
  18     You should have received a copy of the GNU General Public License
  19     along with this program; if not, write to the Free Software
  20     Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  21
  22     http://www.triptico.com
  23
  24 */
  25
  26 #include "config.h"
  27
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <stdlib.h>
  31 #include <limits.h>
  32
  33 #include "ahxm.h"
  34
  35 /*******************
  36         Data
  37 ********************/
  38
  39 /* output information */
  40
  41 static char * devfile = NULL;
  42 static char * driver = "default";
  43
  44 /* seconds to skip */
  45 static int skip_secs = 0;
  46
  47 /*******************
  48         Code
  49 ********************/
  50
  51 static void read_config(void)
  52 {
  53 }
  54
  55
  56 static int main_usage(void)
  57 {
  58         printf("Ann Hell Ex Machina %s - Music Writing Software\n", VERSION);
  59         printf("Copyright (C) 2003-2007 Angel Ortega <angel@triptico.com>\n");
  60         printf("This software is covered by the GPL license. NO WARRANTY.\n\n");
  61         printf("Usage: ahxm [options] {script.ahs}\n\n");
  62         printf("Options:\n\n");
  63         printf("-o {output file or device} Set output file [default: driver dependent].\n");
  64         printf("-d {driver}                Output driver [default: 'default'].\n");
  65         printf("-L {path}                  Add path to script / data library search path.\n");
  66         printf("-r {sampling rate}         Set sampling rate [default: %d]\n", ss_frequency);
  67         printf("-c {# of channels}         Force number of channels [default: use all]\n");
  68         printf("-v {master volume}         Set master volume [default: %02.02f]\n", ss_master_volume);
  69         printf("-s {seconds to skip}       Seconds to skip from the start of the song.\n");
  70         printf("                           [default: 0, start from the beginning]\n");
  71         printf("-z {track number}          Play track number in a solo\n");
  72         printf("-i {interpolation}         Set interpolation algorithm\n");
  73         printf("                           (0, none; 1, linear; 2, cubic spline,\n");
  74         printf("                           3, Lagrange) [default: %d]\n", ss_interpolation);
  75         printf("-b {size in frames}        Set maximum wave buffer size in frames, so\n");
  76         printf("                           wave files bigger than this will be paged\n");
  77         printf("                           (-1, load full wave in memory) [default: %d]\n", ss_page_size);
  78         printf("-D {number}                Verbosity level (0-3) [default: %d].\n", verbose);
  79         printf("-C {cue file name}         Generate .cue file.\n");
  80         printf("-T                         Show tracing information.\n");
  81         printf("-M                         Output song to MIDI device instead of softsynth.\n");
  82         printf("-I                         Interactive; read from MIDI device and\n");
  83         printf("                           use {script} as instrument (UNIMPLEMENTED).\n");
  84         printf("\n");
  85         printf("Internal sample size: %d bytes (floating point)\n", (int) sizeof(sample_t));
  86
  87         return(1);
  88 }
  89
  90
  91 static int main_interactive(char * script_or_ins)
  92 {
  93         printf("UNIMPLEMENTED; use the 'midiin' program instead.\n");
  94         return(0);
  95 }
  96
  97
  98 static int main_midi(char * script)
  99 {
 100         if(compile_ahs(script))
 101                 return(3);
 102
 103         if(midi_device_open(devfile) < 0)
 104         {
 105                 printf("Error: can't open MIDI device\n");
 106                 return(2);
 107         }
 108
 109         midi_song_play(skip_secs);
 110
 111         midi_device_close();
 112
 113         return(0);
 114 }
 115
 116
 117 static int main_ss(char * script)
 118 {
 119         if(compile_ahs(script))
 120                 return(3);
 121
 122         ss_song_render(skip_secs, driver, devfile);
 123
 124         if(verbose >= 1)
 125                 printf("clipped: %d optimal volume: %f\n",
 126                         ss_output_clipped, ss_optimal_volume);
 127
 128         return(0);
 129 }
 130
 131
 132 static int ahxm_main(int argc, char * argv[])
 133 {
 134         int ret = 1;
 135         int n = 1;
 136         char * opt = NULL;
 137         char * script = NULL;
 138         int midi = 0;
 139         int interactive = 0;
 140
 141         if(argc == 1)
 142                 return(main_usage());
 143
 144         read_config();
 145
 146         /* default path */
 147         libpath_add("~/ahxmlib", 0);
 148
 149         /* default converters */
 150         transconv_add(".flac", ".wav", "flac -d -s -o '%s' '%s'");
 151         transconv_add(".mp3", ".wav", "mpg321 -q -w '%s' '%s'");
 152
 153         while(n < argc - 1)
 154         {
 155                 opt = argv[n++];
 156
 157                 if(strcmp(opt, "-o") == 0)
 158                 {
 159                         /* set output device or file */
 160                         devfile = argv[n++];
 161                 }
 162                 else
 163                 if(strcmp(opt, "-d") == 0)
 164                 {
 165                         /* set driver */
 166                         driver = argv[n++];
 167                 }
 168                 else
 169                 if(strcmp(opt, "-L") == 0)
 170                 {
 171                         /* add path to library */
 172                         libpath_add(argv[n++], 0);
 173                 }
 174                 else
 175                 if(strcmp(opt, "-r") == 0)
 176                 {
 177                         /* set sampling rate */
 178                         ss_frequency = atoi(argv[n++]);
 179                 }
 180                 else
 181                 if(strcmp(opt, "-c") == 0)
 182                 {
 183                         /* set number of channels */
 184                         ss_nchannels = atoi(argv[n++]);
 185                 }
 186                 else
 187                 if(strcmp(opt, "-v") == 0)
 188                 {
 189                         /* set master volume */
 190                         ss_master_volume = (double) atof(argv[n++]);
 191                 }
 192                 else
 193                 if(strcmp(opt, "-i") == 0)
 194                 {
 195                         /* set interpolation type */
 196                         ss_interpolation = atoi(argv[n++]);
 197                 }
 198                 else
 199                 if(strcmp(opt, "-s") == 0)
 200                 {
 201                         /* seconds to skip */
 202                         skip_secs = atoi(argv[n++]);
 203                 }
 204                 else
 205                 if(strcmp(opt, "-I") == 0)
 206                 {
 207                         /* activate interactive mode */
 208                         interactive = 1;
 209                 }
 210                 else
 211                 if(strcmp(opt, "-M") == 0)
 212                 {
 213                         /* activate MIDI mode */
 214                         midi = 1;
 215                 }
 216                 else
 217                 if(strcmp(opt, "-z") == 0)
 218                 {
 219                         /* set solo track */
 220                         solo_track = atoi(argv[n++]);
 221                 }
 222                 else
 223                 if(strcmp(opt, "-b") == 0)
 224                 {
 225                         /* set page size */
 226                         ss_page_size = atoi(argv[n++]);
 227
 228                         /* if it's -1, set as 'no limit' */
 229                         if(ss_page_size < 0)
 230                                 ss_page_size = INT_MAX;
 231                 }
 232                 else
 233                 if(strcmp(opt, "-D") == 0)
 234                 {
 235                         /* debug information */
 236                         verbose = atoi(argv[n++]);
 237                 }
 238                 else
 239                 if(strcmp(opt, "-C") == 0)
 240                 {
 241                         /* set cue file name */
 242                         ss_cue_file_name = argv[n++];
 243                 }
 244                 else
 245                 if(strcmp(opt, "-T") == 0)
 246                         trace = 1;
 247                 else
 248                         return(main_usage());
 249
 250         }
 251
 252         script = argv[argc - 1];
 253
 254         if(*script == '-')
 255                 return(main_usage());
 256
 257         if(interactive)
 258                 ret = main_interactive(script);
 259         else
 260         if(midi)
 261                 ret = main_midi(script);
 262         else
 263                 ret = main_ss(script);
 264
 265         return(ret);
 266 }
 267
 268
 269 int main(int argc, char * argv[])
 270 {
 271         return(ahxm_main(argc, argv));
 272 }