Mercurial > SDL_sound_CoreAudio

comparison playsound/playsound.c @ 187:bfe5031726e8

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printf() fix (extra comma was in there), and --decodebuf/--audiobuf functionality was added.
author Ryan C. Gordon <icculus@icculus.org>
date Thu, 27 Dec 2001 23:07:26 +0000
parents 47cc2de2ae36
children 9d436dbb1666
comparison
equal deleted inserted replaced
186:70561bf8d5fd 187:bfe5031726e8
30 #include <assert.h> 30 #include <assert.h>
31 #include <signal.h> 31 #include <signal.h>
32 #include "SDL.h" 32 #include "SDL.h"
33 #include "SDL_sound.h" 33 #include "SDL_sound.h"
34 34
35 #define DEFAULT_DECODEBUF 16384
36 #define DEFAULT_AUDIOBUF 4096
37
35 #define PLAYSOUND_VER_MAJOR 0 38 #define PLAYSOUND_VER_MAJOR 0
36 #define PLAYSOUND_VER_MINOR 1 39 #define PLAYSOUND_VER_MINOR 1
37 #define PLAYSOUND_VER_PATCH 3 40 #define PLAYSOUND_VER_PATCH 3
38
39 41
40 static void output_versions(const char *argv0) 42 static void output_versions(const char *argv0)
41 { 43 {
42 Sound_Version compiled; 44 Sound_Version compiled;
43 Sound_Version linked; 45 Sound_Version linked;
94 96
95 97
96 static void output_usage(const char *argv0) 98 static void output_usage(const char *argv0)
97 { 99 {
98 fprintf(stderr, 100 fprintf(stderr,
99 "USAGE: %s [...options...] [soundFile1] ... [soundFileN]\n" 101 "USAGE: %s [...options...] [soundFile1] ... [soundFileN]\n"
100 "\n" 102 "\n"
101 " Options:\n" 103 " Options:\n"
102 " --rate x Playback at sample rate of x HZ.\n" 104 " --rate n Playback at sample rate of n HZ.\n"
103 " --format fmt Playback in fmt format (see below).\n" 105 " --format fmt Playback in fmt format (see below).\n"
104 " --channels n Playback on n channels (1 or 2).\n" 106 " --channels n Playback on n channels (1 or 2).\n"
105 " --version Display version information and exit.\n" 107 " --decodebuf n Buffer n decoded bytes at a time (default %d).\n"
106 " --decoders List supported sound formats and exit.\n" 108 " --audiobuf n Buffer n samples to audio device (default %d).\n"
107 " --predecode Decode entire sample before playback.\n" 109 " --version Display version information and exit.\n"
108 " --credits Shameless promotion.\n" 110 " --decoders List supported data formats and exit.\n"
109 " --help Display this information and exit.\n" 111 " --predecode Decode entire sample before playback.\n"
110 "\n" 112 " --credits Shameless promotion.\n"
111 " Valid arguments to the --format option are:\n" 113 " --help Display this information and exit.\n"
112 " U8 Unsigned 8-bit.\n" 114 "\n"
113 " S8 Signed 8-bit.\n" 115 " Valid arguments to the --format option are:\n"
114 " U16LSB Unsigned 16-bit (least significant byte first).\n" 116 " U8 Unsigned 8-bit.\n"
115 " U16MSB Unsigned 16-bit (most significant byte first).\n" 117 " S8 Signed 8-bit.\n"
116 " S16LSB Signed 16-bit (least significant byte first).\n" 118 " U16LSB Unsigned 16-bit (least significant byte first).\n"
117 " S16MSB Signed 16-bit (most significant byte first).\n" 119 " U16MSB Unsigned 16-bit (most significant byte first).\n"
118 "\n", 120 " S16LSB Signed 16-bit (least significant byte first).\n"
119 argv0); 121 " S16MSB Signed 16-bit (most significant byte first).\n"
122 "\n",
123 argv0, DEFAULT_DECODEBUF, DEFAULT_AUDIOBUF);
120 } /* output_usage */ 124 } /* output_usage */
121 125
122 126
123 static void output_credits(void) 127 static void output_credits(void)
124 { 128 {
226 230
227 231
228 int main(int argc, char **argv) 232 int main(int argc, char **argv)
229 { 233 {
230 Sound_AudioInfo sound_desired; 234 Sound_AudioInfo sound_desired;
235 Uint32 audio_buffersize = DEFAULT_AUDIOBUF;
236 Uint32 decode_buffersize = DEFAULT_DECODEBUF;
231 SDL_AudioSpec sdl_desired; 237 SDL_AudioSpec sdl_desired;
232 SDL_AudioSpec sdl_actual; 238 SDL_AudioSpec sdl_actual;
233 Sound_Sample *sample; 239 Sound_Sample *sample;
234 int predecode = 0; 240 int predecode = 0;
235 int use_specific_audiofmt = 0; 241 int use_specific_audiofmt = 0;
302 fprintf(stderr, 308 fprintf(stderr,
303 "Bad argument to --channels! Try 1 (mono) or 2 " 309 "Bad argument to --channels! Try 1 (mono) or 2 "
304 "(stereo).\n"); 310 "(stereo).\n");
305 return(42); 311 return(42);
306 } 312 }
313 } /* else if */
314
315 else if (strcmp(argv[i], "--audiobuf") == 0 && argc > i + 1)
316 {
317 audio_buffersize = atoi(argv[++i]);
318 } /* else if */
319
320 else if (strcmp(argv[i], "--decodebuf") == 0 && argc > i + 1)
321 {
322 decode_buffersize = atoi(argv[++i]);
307 } /* else if */ 323 } /* else if */
308 324
309 else if (strcmp(argv[i], "--decoders") == 0) 325 else if (strcmp(argv[i], "--decoders") == 0)
310 { 326 {
311 if (!Sound_Init()) 327 if (!Sound_Init())
364 for (i = 1; i < argc; i++) 380 for (i = 1; i < argc; i++)
365 { 381 {
366 /* !!! FIXME: This is ugly! */ 382 /* !!! FIXME: This is ugly! */
367 if ( (strcmp(argv[i], "--rate") == 0) || 383 if ( (strcmp(argv[i], "--rate") == 0) ||
368 (strcmp(argv[i], "--format") == 0) || 384 (strcmp(argv[i], "--format") == 0) ||
369 (strcmp(argv[i], "--channels") == 0) ) 385 (strcmp(argv[i], "--channels") == 0) ||
386 (strcmp(argv[i], "--audiobuf") == 0) ||
387 (strcmp(argv[i], "--decodebuf") == 0) )
370 { 388 {
371 i++; 389 i++;
372 continue; 390 continue;
373 } /* if */ 391 } /* if */
374 392
375 if (strncmp(argv[i], "--", 2) == 0) 393 if (strncmp(argv[i], "--", 2) == 0)
376 continue; 394 continue;
377 395
378 sample = Sound_NewSampleFromFile(argv[i], 396 sample = Sound_NewSampleFromFile(argv[i],
379 use_specific_audiofmt ? &sound_desired : NULL, 4096 * 4); 397 use_specific_audiofmt ? &sound_desired : NULL,
398 decode_buffersize);
380 399
381 if (!sample) 400 if (!sample)
382 { 401 {
383 fprintf(stderr, "Couldn't load \"%s\"!\n" 402 fprintf(stderr, "Couldn't load \"%s\"!\n"
384 " reason: [%s].\n", argv[i], Sound_GetError()); 403 " reason: [%s].\n", argv[i], Sound_GetError());
400 sdl_desired.freq = sample->actual.rate; 419 sdl_desired.freq = sample->actual.rate;
401 sdl_desired.format = sample->actual.format; 420 sdl_desired.format = sample->actual.format;
402 sdl_desired.channels = sample->actual.channels; 421 sdl_desired.channels = sample->actual.channels;
403 } /* else */ 422 } /* else */
404 423
405 sdl_desired.samples = 4096; 424 sdl_desired.samples = audio_buffersize;
406 sdl_desired.callback = audio_callback; 425 sdl_desired.callback = audio_callback;
407 sdl_desired.userdata = sample; 426 sdl_desired.userdata = sample;
408 427
409 if (SDL_OpenAudio(&sdl_desired, NULL) < 0) 428 if (SDL_OpenAudio(&sdl_desired, NULL) < 0)
410 { 429 {
424 decoded_ptr = sample->buffer; 443 decoded_ptr = sample->buffer;
425 if (sample->flags & SOUND_SAMPLEFLAG_ERROR) 444 if (sample->flags & SOUND_SAMPLEFLAG_ERROR)
426 { 445 {
427 fprintf(stderr, 446 fprintf(stderr,
428 "Couldn't fully decode \"%s\"!\n" 447 "Couldn't fully decode \"%s\"!\n"
429 " reason: [%s].\n", 448 " reason: [%s].\n"
430 " (playing first %lu bytes of decoded data...)\n", 449 " (playing first %lu bytes of decoded data...)\n",
431 argv[i], Sound_GetError(), decoded_bytes); 450 argv[i], Sound_GetError(), decoded_bytes);
432 } /* if */ 451 } /* if */
433 else 452 else
434 { 453 {