author | koda |
Sun, 25 Oct 2009 23:52:36 +0000 | |
changeset 2590 | e7e87e3c67db |
parent 2529 | 51e5df1c8462 |
permissions | -rw-r--r-- |
2191 | 1 |
/* |
2 |
* OpenAL Bridge - a simple portable library for OpenAL interface |
|
2494 | 3 |
* Copyright (c) 2009 Vittorio Giovara <vittorio.giovara@gmail.com> |
2191 | 4 |
* |
5 |
* This program is free software; you can redistribute it and/or modify |
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7eb31efcfb9b
updates licence and fix a memory leak (which was consuming iphone memory)
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diff
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* it under the terms of the GNU Lesser General Public License as published by |
2191 | 7 |
* the Free Software Foundation; version 2 of the License |
8 |
* |
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* This program is distributed in the hope that it will be useful, |
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10 |
* 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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2257
7eb31efcfb9b
updates licence and fix a memory leak (which was consuming iphone memory)
koda
parents:
2220
diff
changeset
|
12 |
* GNU Lesser General Public License for more details. |
2191 | 13 |
* |
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7eb31efcfb9b
updates licence and fix a memory leak (which was consuming iphone memory)
koda
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diff
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* You should have received a copy of the GNU Lesser General Public License |
2191 | 15 |
* along with this program; if not, write to the Free Software |
16 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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17 |
*/ |
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rename dpr -> pas, restores ammos on two columns, minor fixes to openalbridge
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#include "openalbridge.h" |
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#ifdef __CPLUSPLUS |
23 |
extern "C" { |
|
24 |
#endif |
|
25 |
||
26 |
/*Sources are points emitting sound*/ |
|
27 |
ALuint *Sources; |
|
28 |
/*Buffers hold sound data*/ |
|
29 |
ALuint *Buffers; |
|
30 |
/*index for Sources and Buffers*/ |
|
31 |
ALuint globalindex, globalsize, increment; |
|
32 |
||
33 |
ALboolean openalReady = AL_FALSE; |
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|
2529 | 35 |
ALboolean openal_close (void) { |
36 |
/*Stop all sounds, deallocate all memory and close OpenAL */ |
|
37 |
ALCcontext *context; |
|
38 |
ALCdevice *device; |
|
39 |
||
40 |
if (openalReady == AL_FALSE) { |
|
41 |
errno = EPERM; |
|
42 |
err_ret("(%s) WARN - OpenAL not initialized", prog); |
|
43 |
return AL_FALSE; |
|
44 |
} |
|
45 |
||
46 |
alSourceStopv (globalsize, Sources); |
|
47 |
alDeleteSources (globalsize, Sources); |
|
48 |
alDeleteBuffers (globalsize, Buffers); |
|
49 |
||
50 |
free(Sources); |
|
51 |
free(Buffers); |
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52 |
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53 |
context = alcGetCurrentContext(); |
|
54 |
device = alcGetContextsDevice(context); |
|
55 |
||
56 |
alcMakeContextCurrent(NULL); |
|
57 |
alcDestroyContext(context); |
|
58 |
alcCloseDevice(device); |
|
59 |
||
60 |
openalReady = AL_FALSE; |
|
61 |
||
62 |
return AL_TRUE; |
|
2419 | 63 |
} |
2259 | 64 |
|
2529 | 65 |
ALboolean openal_ready(void) { |
66 |
return openalReady; |
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} |
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koda
parents:
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2529 | 69 |
ALboolean openal_init(char* programname, ALboolean usehardware, uint32_t memorysize) { |
70 |
/*Initialize an OpenAL contex and allocate memory space for data and buffers*/ |
|
71 |
ALCcontext *context; |
|
72 |
ALCdevice *device; |
|
73 |
const ALCchar *default_device; |
|
74 |
||
75 |
prog = programname; |
|
76 |
||
77 |
/*Position of the listener*/ |
|
78 |
ALfloat ListenerPos[] = { 0.0, 0.0, 0.0 }; |
|
79 |
/*Velocity of the listener*/ |
|
80 |
ALfloat ListenerVel[] = { 0.0, 0.0, 0.0 }; |
|
81 |
/*Orientation of the listener. (first 3 elements are "at", second 3 are "up")*/ |
|
82 |
ALfloat ListenerOri[] = { 0.0, 0.0, -1.0, 0.0, 1.0, 0.0 }; |
|
83 |
||
84 |
if (openalReady == AL_TRUE) { |
|
85 |
errno = EPERM; |
|
86 |
err_ret("(%s) WARN - OpenAL already initialized", prog); |
|
87 |
return AL_FALSE; |
|
88 |
} |
|
89 |
||
90 |
if (usehardware == AL_TRUE) |
|
91 |
device = alcOpenDevice(NULL); |
|
92 |
else |
|
93 |
device = alcOpenDevice("Generic Software"); |
|
94 |
||
95 |
if (device == NULL) { |
|
96 |
errno = ENODEV; |
|
97 |
err_ret("(%s) WARN - Failed to open sound device", prog); |
|
98 |
return AL_FALSE; |
|
99 |
} |
|
100 |
err_msg("(%s) INFO - Output device: %s", prog, alcGetString(device, ALC_DEVICE_SPECIFIER)); |
|
101 |
||
102 |
context = alcCreateContext(device, NULL); |
|
103 |
alcMakeContextCurrent(context); |
|
104 |
alcProcessContext(context); |
|
105 |
||
106 |
if (AlGetError("(%s) WARN - Failed to create a new contex") != AL_TRUE) |
|
107 |
return AL_FALSE; |
|
108 |
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109 |
/*allocate memory space for buffers and sources*/ |
|
110 |
if (memorysize == 0) |
|
111 |
globalsize = 50; |
|
112 |
else |
|
113 |
globalsize = memorysize; |
|
114 |
increment = globalsize; |
|
115 |
||
116 |
Buffers = (ALuint*) Malloc(sizeof(ALuint)*globalsize); |
|
117 |
Sources = (ALuint*) Malloc(sizeof(ALuint)*globalsize); |
|
118 |
||
119 |
/*set the listener gain, position (on xyz axes), velocity (one value for each axe) and orientation*/ |
|
120 |
alListenerf (AL_GAIN, 1.0f ); |
|
121 |
alListenerfv(AL_POSITION, ListenerPos); |
|
122 |
alListenerfv(AL_VELOCITY, ListenerVel); |
|
123 |
alListenerfv(AL_ORIENTATION, ListenerOri); |
|
124 |
||
125 |
if (AlGetError("(%s) WARN - Failed to set Listener properties") != AL_TRUE) |
|
126 |
return AL_FALSE; |
|
127 |
||
128 |
openalReady = AL_TRUE; |
|
129 |
||
130 |
alGetError(); /* clear any AL errors beforehand */ |
|
131 |
return AL_TRUE; |
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parents:
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} |
fececcbc2189
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koda
parents:
2437
diff
changeset
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2529 | 135 |
ALboolean helper_realloc (void) { |
136 |
/*expands allocated memory when loading more sound files than expected*/ |
|
137 |
int oldsize = globalsize; |
|
138 |
globalsize += increment; |
|
139 |
||
140 |
#ifdef DEBUG |
|
141 |
err_msg("(%s) INFO - Realloc in process from %d to %d\n", prog, oldsize, globalsize); |
|
142 |
#endif |
|
143 |
||
144 |
Buffers = (ALuint*) Realloc(Buffers, sizeof(ALuint)*globalsize); |
|
145 |
Sources = (ALuint*) Realloc(Sources, sizeof(ALuint)*globalsize); |
|
146 |
||
147 |
return AL_TRUE; |
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} |
fececcbc2189
Smaxx patch for fixing all sound related issues on any system
koda
parents:
2437
diff
changeset
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149 |
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2494 | 150 |
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2529 | 151 |
ALint openal_loadfile (const char *filename){ |
152 |
/*Open a file, load into memory and allocate the Source buffer for playing*/ |
|
153 |
ALfloat SourcePos[] = { 0.0, 0.0, 0.0 }; /*Position of the source sound*/ |
|
154 |
ALfloat SourceVel[] = { 0.0, 0.0, 0.0 }; /*Velocity of the source sound*/ |
|
155 |
ALenum format; |
|
156 |
ALsizei bitsize, freq; |
|
157 |
char *data; |
|
158 |
uint32_t fileformat; |
|
159 |
ALenum error; |
|
160 |
FILE *fp; |
|
161 |
||
162 |
if (openalReady == AL_FALSE) { |
|
163 |
errno = EPERM; |
|
164 |
err_ret("(%s) WARN - OpenAL not initialized", prog); |
|
165 |
return AL_FALSE; |
|
166 |
} |
|
167 |
||
168 |
/*when the buffers are all used, we can expand memory to accept new files*/ |
|
169 |
if (globalindex == globalsize) |
|
170 |
helper_realloc(); |
|
171 |
||
172 |
/*detect the file format, as written in the first 4 bytes of the header*/ |
|
173 |
fp = Fopen (filename, "rb"); |
|
174 |
||
175 |
if (fp == NULL) |
|
176 |
return -1; |
|
177 |
||
178 |
error = fread (&fileformat, sizeof(uint32_t), 1, fp); |
|
179 |
fclose (fp); |
|
180 |
||
181 |
if (error < 0) { |
|
182 |
errno = EIO; |
|
183 |
err_ret("(%s) ERROR - File %s is too short", prog, filename); |
|
184 |
return -2; |
|
2494 | 185 |
} |
2529 | 186 |
|
187 |
/*prepare the buffer to receive data*/ |
|
188 |
alGenBuffers(1, &Buffers[globalindex]); |
|
189 |
||
190 |
if (AlGetError("(%s) ERROR - Failed to allocate memory for buffers") != AL_TRUE) |
|
191 |
return -3; |
|
192 |
||
193 |
/*prepare the source to emit sound*/ |
|
194 |
alGenSources(1, &Sources[globalindex]); |
|
195 |
||
196 |
if (AlGetError("(%s) ERROR - Failed to allocate memory for sources") != AL_TRUE) |
|
197 |
return -4; |
|
198 |
||
199 |
||
200 |
switch (ENDIAN_BIG_32(fileformat)) { |
|
201 |
case OGG_FILE_FORMAT: |
|
202 |
error = load_oggvorbis (filename, &format, &data, &bitsize, &freq); |
|
203 |
break; |
|
204 |
case WAV_FILE_FORMAT: |
|
205 |
error = load_wavpcm (filename, &format, &data, &bitsize, &freq); |
|
206 |
break; |
|
207 |
default: |
|
208 |
errno = EINVAL; |
|
209 |
err_ret ("(%s) ERROR - File format (%08X) not supported", prog, ENDIAN_BIG_32(fileformat)); |
|
210 |
return -5; |
|
211 |
break; |
|
212 |
} |
|
213 |
||
214 |
||
215 |
/*copy pcm data in one buffer*/ |
|
216 |
alBufferData(Buffers[globalindex], format, data, bitsize, freq); |
|
217 |
free(data); /*deallocate data to save memory*/ |
|
218 |
||
219 |
if (AlGetError("(%s) ERROR - Failed to write data to buffers") != AL_TRUE) |
|
220 |
return -6; |
|
221 |
||
222 |
/*set source properties that it will use when it's in playback*/ |
|
223 |
alSourcei (Sources[globalindex], AL_BUFFER, Buffers[globalindex] ); |
|
224 |
alSourcef (Sources[globalindex], AL_PITCH, 1.0f ); |
|
225 |
alSourcef (Sources[globalindex], AL_GAIN, 1.0f ); |
|
226 |
alSourcefv(Sources[globalindex], AL_POSITION, SourcePos ); |
|
227 |
alSourcefv(Sources[globalindex], AL_VELOCITY, SourceVel ); |
|
228 |
alSourcei (Sources[globalindex], AL_LOOPING, 0 ); |
|
229 |
||
230 |
if (AlGetError("(%s) ERROR - Failed to set Source properties") != AL_TRUE) |
|
231 |
return -7; |
|
232 |
||
233 |
alGetError(); /* clear any AL errors beforehand */ |
|
234 |
||
235 |
/*returns the index of the source you just loaded, increments it and exits*/ |
|
236 |
return globalindex++; |
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Smaxx patch for fixing all sound related issues on any system
koda
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2437
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changeset
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} |
fececcbc2189
Smaxx patch for fixing all sound related issues on any system
koda
parents:
2437
diff
changeset
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Smaxx patch for fixing all sound related issues on any system
koda
parents:
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239 |
|
2529 | 240 |
ALboolean openal_toggleloop (uint32_t index){ |
241 |
/*Set or unset looping mode*/ |
|
242 |
ALint loop; |
|
243 |
||
244 |
if (openalReady == AL_FALSE) { |
|
245 |
errno = EPERM; |
|
246 |
err_ret("(%s) WARN - OpenAL not initialized", prog); |
|
247 |
return AL_FALSE; |
|
248 |
} |
|
249 |
||
250 |
if (index >= globalsize) { |
|
251 |
errno = EINVAL; |
|
252 |
err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex); |
|
253 |
return AL_FALSE; |
|
254 |
} |
|
255 |
||
256 |
alGetSourcei (Sources[index], AL_LOOPING, &loop); |
|
257 |
alSourcei (Sources[index], AL_LOOPING, !((uint8_t) loop) & 0x00000001); |
|
258 |
if (AlGetError("(%s) ERROR - Failed to get or set loop property") != AL_TRUE) |
|
259 |
return AL_FALSE; |
|
260 |
||
261 |
alGetError(); /* clear any AL errors beforehand */ |
|
262 |
||
263 |
return AL_TRUE; |
|
2444 | 264 |
} |
265 |
||
266 |
||
2529 | 267 |
ALboolean openal_setvolume (uint32_t index, uint8_t percentage) { |
268 |
if (openalReady == AL_FALSE) { |
|
269 |
errno = EPERM; |
|
270 |
err_ret("(%s) WARN - OpenAL not initialized", prog); |
|
271 |
return AL_FALSE; |
|
272 |
} |
|
273 |
||
274 |
/*Set volume for sound number index*/ |
|
275 |
if (index >= globalsize) { |
|
276 |
errno = EINVAL; |
|
277 |
err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex); |
|
278 |
return AL_FALSE; |
|
279 |
} |
|
280 |
||
281 |
if (percentage > 100) |
|
282 |
percentage = 100; |
|
283 |
alSourcef (Sources[index], AL_GAIN, (float) percentage/100.0f); |
|
284 |
if (AlGetError2("(%s) ERROR - Failed to set volume for sound %d\n", index) != AL_TRUE) |
|
285 |
return AL_FALSE; |
|
286 |
||
287 |
alGetError(); /* clear any AL errors beforehand */ |
|
288 |
||
289 |
return AL_TRUE; |
|
2494 | 290 |
} |
291 |
||
292 |
||
2529 | 293 |
ALboolean openal_setglobalvolume (uint8_t percentage) { |
294 |
if (openalReady == AL_FALSE) { |
|
295 |
errno = EPERM; |
|
296 |
err_ret("(%s) WARN - OpenAL not initialized", prog); |
|
297 |
return AL_FALSE; |
|
298 |
} |
|
299 |
||
300 |
/*Set volume for all sounds*/ |
|
301 |
if (percentage > 100) |
|
302 |
percentage = 100; |
|
303 |
alListenerf (AL_GAIN, (float) percentage/100.0f); |
|
304 |
if (AlGetError("(%s) ERROR - Failed to set global volume") != AL_TRUE) |
|
305 |
return AL_FALSE; |
|
306 |
||
307 |
alGetError(); /* clear any AL errors beforehand */ |
|
308 |
||
309 |
return AL_TRUE; |
|
2494 | 310 |
} |
311 |
||
2529 | 312 |
|
313 |
ALboolean openal_togglemute () { |
|
314 |
/*Mute or unmute sound*/ |
|
315 |
ALfloat mute; |
|
316 |
||
317 |
if (openalReady == AL_FALSE) { |
|
318 |
errno = EPERM; |
|
319 |
err_ret("(%s) WARN - OpenAL not initialized", prog); |
|
320 |
return AL_FALSE; |
|
321 |
} |
|
322 |
||
323 |
alGetListenerf (AL_GAIN, &mute); |
|
324 |
if (mute > 0) |
|
325 |
mute = 0; |
|
326 |
else |
|
327 |
mute = 1.0; |
|
328 |
alListenerf (AL_GAIN, mute); |
|
329 |
if (AlGetError("(%s) ERROR - Failed to set mute property") != AL_TRUE) |
|
330 |
return AL_FALSE; |
|
331 |
||
332 |
alGetError(); /* clear any AL errors beforehand */ |
|
333 |
||
334 |
return AL_TRUE; |
|
2494 | 335 |
} |
336 |
||
2529 | 337 |
|
338 |
ALboolean openal_fade (uint32_t index, uint16_t quantity, ALboolean direction) { |
|
339 |
/*Fade in or out by calling a helper thread*/ |
|
2494 | 340 |
#ifndef _WIN32 |
2529 | 341 |
pthread_t thread; |
342 |
#else |
|
343 |
HANDLE Thread; |
|
344 |
DWORD threadID; |
|
2494 | 345 |
#endif |
2529 | 346 |
fade_t *fade; |
347 |
||
348 |
if (openalReady == AL_FALSE) { |
|
349 |
errno = EPERM; |
|
350 |
err_ret("(%s) WARN - OpenAL not initialized", prog); |
|
351 |
return AL_FALSE; |
|
352 |
} |
|
353 |
||
354 |
fade = (fade_t*) Malloc(sizeof(fade_t)); |
|
355 |
fade->index = index; |
|
356 |
fade->quantity = quantity; |
|
357 |
||
358 |
if (index >= globalsize) { |
|
359 |
errno = EINVAL; |
|
360 |
err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex); |
|
361 |
return AL_FALSE; |
|
362 |
} |
|
363 |
||
364 |
switch (direction) { |
|
365 |
case FADE_IN: |
|
366 |
#ifndef _WIN32 |
|
367 |
pthread_create(&thread, NULL, helper_fadein, (void*) fade); |
|
368 |
#else |
|
369 |
Thread = _beginthread(&helper_fadein, 0, (void*) fade); |
|
370 |
#endif |
|
371 |
break; |
|
372 |
case FADE_OUT: |
|
373 |
#ifndef _WIN32 |
|
374 |
pthread_create(&thread, NULL, helper_fadeout, (void*) fade); |
|
375 |
#else |
|
376 |
Thread = _beginthread(&helper_fadeout, 0, (void*) fade); |
|
377 |
#endif |
|
378 |
break; |
|
379 |
default: |
|
380 |
errno = EINVAL; |
|
381 |
err_ret("(%s) ERROR - Unknown direction for fading", prog, index, globalindex); |
|
382 |
free(fade); |
|
383 |
return AL_FALSE; |
|
384 |
break; |
|
385 |
} |
|
386 |
||
387 |
#ifndef _WIN32 |
|
388 |
pthread_detach(thread); |
|
389 |
#endif |
|
390 |
||
391 |
alGetError(); /* clear any AL errors beforehand */ |
|
392 |
||
393 |
return AL_TRUE; |
|
2419 | 394 |
} |
395 |
||
2529 | 396 |
|
397 |
ALboolean openal_fadeout (uint32_t index, uint16_t quantity) { |
|
398 |
/*wrapper for fadeout*/ |
|
399 |
return openal_fade(index, quantity, FADE_OUT); |
|
2419 | 400 |
} |
2494 | 401 |
|
2529 | 402 |
|
403 |
ALboolean openal_fadein (uint32_t index, uint16_t quantity) { |
|
404 |
/*wrapper for fadein*/ |
|
405 |
return openal_fade(index, quantity, FADE_IN); |
|
2494 | 406 |
} |
2259 | 407 |
|
2529 | 408 |
|
409 |
ALboolean openal_setposition (uint32_t index, float x, float y, float z) { |
|
410 |
if (openalReady == AL_FALSE) { |
|
411 |
errno = EPERM; |
|
412 |
err_ret("(%s) WARN - OpenAL not initialized", prog); |
|
413 |
return AL_FALSE; |
|
414 |
} |
|
415 |
||
416 |
if (index >= globalsize) { |
|
417 |
errno = EINVAL; |
|
418 |
err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex); |
|
419 |
return AL_FALSE; |
|
2494 | 420 |
} |
2529 | 421 |
|
422 |
alSource3f(Sources[index], AL_POSITION, x, y, z); |
|
423 |
if (AlGetError2("(%s) ERROR - Failed to set position for sound %d)", index) != AL_TRUE) |
|
424 |
return AL_FALSE; |
|
425 |
||
426 |
return AL_TRUE; |
|
427 |
} |
|
428 |
||
429 |
||
430 |
ALboolean openal_playsound (uint32_t index){ |
|
431 |
if (openalReady == AL_FALSE) { |
|
432 |
errno = EPERM; |
|
433 |
err_ret("(%s) WARN - OpenAL not initialized", prog); |
|
434 |
return AL_FALSE; |
|
435 |
} |
|
436 |
||
437 |
/*Play sound number index*/ |
|
438 |
if (index >= globalsize) { |
|
439 |
errno = EINVAL; |
|
440 |
err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex); |
|
441 |
return AL_FALSE; |
|
442 |
} |
|
443 |
alSourcePlay(Sources[index]); |
|
444 |
if (AlGetError2("(%s) ERROR - Failed to play sound %d)", index) != AL_TRUE) |
|
445 |
return AL_FALSE; |
|
446 |
||
447 |
alGetError(); /* clear any AL errors beforehand */ |
|
448 |
||
449 |
return AL_TRUE; |
|
2494 | 450 |
} |
2259 | 451 |
|
2494 | 452 |
|
2529 | 453 |
ALboolean openal_pausesound(uint32_t index){ |
454 |
if (openalReady == AL_FALSE) { |
|
455 |
errno = EPERM; |
|
456 |
err_ret("(%s) WARN - OpenAL not initialized", prog); |
|
457 |
return AL_FALSE; |
|
458 |
} |
|
459 |
||
460 |
/*Pause sound number index*/ |
|
461 |
if (index >= globalsize) { |
|
462 |
errno = EINVAL; |
|
463 |
err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex); |
|
464 |
return AL_FALSE; |
|
465 |
} |
|
466 |
alSourcePause(Sources[index]); |
|
467 |
if (AlGetError2("(%s) ERROR - Failed to pause sound %d)", index) != AL_TRUE) |
|
468 |
return AL_FALSE; |
|
469 |
||
470 |
return AL_TRUE; |
|
2443
fececcbc2189
Smaxx patch for fixing all sound related issues on any system
koda
parents:
2437
diff
changeset
|
471 |
} |
fececcbc2189
Smaxx patch for fixing all sound related issues on any system
koda
parents:
2437
diff
changeset
|
472 |
|
fececcbc2189
Smaxx patch for fixing all sound related issues on any system
koda
parents:
2437
diff
changeset
|
473 |
|
2529 | 474 |
ALboolean openal_stopsound(uint32_t index){ |
475 |
if (openalReady == AL_FALSE) { |
|
476 |
errno = EPERM; |
|
477 |
err_ret("(%s) WARN - OpenAL not initialized", prog); |
|
478 |
return AL_FALSE; |
|
479 |
} |
|
480 |
||
481 |
/*Stop sound number index*/ |
|
482 |
if (index >= globalsize) { |
|
483 |
errno = EINVAL; |
|
484 |
err_ret("(%s) ERROR - Index out of bounds (got %d, max %d)", prog, index, globalindex); |
|
485 |
return AL_FALSE; |
|
486 |
} |
|
487 |
alSourceStop(Sources[index]); |
|
488 |
if (AlGetError2("(%s) ERROR - Failed to stop sound %d)", index) != AL_TRUE) |
|
489 |
return AL_FALSE; |
|
490 |
||
491 |
alGetError(); /* clear any AL errors beforehand */ |
|
492 |
||
493 |
return AL_TRUE; |
|
2419 | 494 |
} |
2259 | 495 |
|
2529 | 496 |
#ifdef __CPLUSPLUS |
2443
fececcbc2189
Smaxx patch for fixing all sound related issues on any system
koda
parents:
2437
diff
changeset
|
497 |
} |
2529 | 498 |
#endif |