Mercurial > hg > dmlib
annotate jssmix.c @ 34:7908061da010
Fix building of JSS mixer parts.
author | Matti Hamalainen <ccr@tnsp.org> |
---|---|
date | Sat, 29 Sep 2012 20:31:10 +0300 |
parents | 32250b436bca |
children | f3407a58e01e |
rev | line source |
---|---|
0 | 1 /* |
2 * miniJSS - Mixing device and channel handling | |
3 * Programmed and designed by Matti 'ccr' Hamalainen | |
4 * (C) Copyright 2006-2012 Tecnic Software productions (TNSP) | |
5 */ | |
6 #include "jssmix.h" | |
7 #include <string.h> | |
8 | |
9 | |
10 #ifdef DM_USE_C | |
11 #define JMIXER_HEADER | |
34
7908061da010
Fix building of JSS mixer parts.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
12 #include "jmix_c.in.c" |
0 | 13 #undef JMIXER_HEADER |
14 #endif | |
15 | |
16 #undef DM_USE_SIMD | |
17 | |
18 #ifdef DM_USE_SIMD | |
19 #define JMIXER_HEADER | |
34
7908061da010
Fix building of JSS mixer parts.
Matti Hamalainen <ccr@tnsp.org>
parents:
0
diff
changeset
|
20 #include "jmix_mmx.in.c" |
0 | 21 #undef JMIXER_HEADER |
22 #endif | |
23 | |
24 | |
25 typedef struct | |
26 { | |
27 int mixerID; | |
28 int outFormat; | |
29 int outChannels; | |
30 int (*jvmMixChannel_FW)(JSSMixer *, JSSChannel *, Sint32 *, const int, const Uint32); | |
31 int (*jvmMixChannel_BW)(JSSMixer *, JSSChannel *, Sint32 *, const int, const Uint32); | |
32 void (*jvmPostProcess)(Sint32 *, void *, const int); | |
33 } JSSMixingRoutine; | |
34 | |
35 | |
36 /* This table should be sorted from fastest to slowest, e.g. MMX/x86 | |
37 * optimized routines first, pure C versions last. | |
38 */ | |
39 static JSSMixingRoutine jvmMixRoutines[] = | |
40 { | |
41 #ifdef DM_USE_SIMD | |
42 { JMIX_MMX, JSS_AUDIO_U8, JSS_AUDIO_MONO, jvmMix_Mono_MMX_FW, jvmMix_Mono_MMX_BW, jvmPostProcess_U8_MMX }, | |
43 { JMIX_MMX, JSS_AUDIO_S8, JSS_AUDIO_MONO, jvmMix_Mono_MMX_FW, jvmMix_Mono_MMX_BW, jvmPostProcess_S8_MMX }, | |
44 { JMIX_MMX, JSS_AUDIO_U8, JSS_AUDIO_STEREO, jvmMix_Stereo_MMX_FW, jvmMix_Stereo_MMX_BW, jvmPostProcess_U8_MMX }, | |
45 { JMIX_MMX, JSS_AUDIO_S8, JSS_AUDIO_STEREO, jvmMix_Stereo_MMX_FW, jvmMix_Stereo_MMX_BW, jvmPostProcess_S8_MMX }, | |
46 | |
47 { JMIX_MMX, JSS_AUDIO_U16, JSS_AUDIO_MONO, jvmMix_Mono_MMX_FW, jvmMix_Mono_MMX_BW, jvmPostProcess_U16_MMX }, | |
48 { JMIX_MMX, JSS_AUDIO_S16, JSS_AUDIO_MONO, jvmMix_Mono_MMX_FW, jvmMix_Mono_MMX_BW, jvmPostProcess_S16_MMX }, | |
49 { JMIX_MMX, JSS_AUDIO_U16, JSS_AUDIO_STEREO, jvmMix_Stereo_MMX_FW, jvmMix_Stereo_MMX_BW, jvmPostProcess_U16_MMX }, | |
50 { JMIX_MMX, JSS_AUDIO_S16, JSS_AUDIO_STEREO, jvmMix_Stereo_MMX_FW, jvmMix_Stereo_MMX_BW, jvmPostProcess_S16_MMX }, | |
51 #endif | |
52 | |
53 #ifdef DM_USE_C | |
54 { JMIX_C, JSS_AUDIO_U8, JSS_AUDIO_MONO, jvmMix_Mono_C_FW, jvmMix_Mono_C_BW, jvmPostProcess_U8_C }, | |
55 { JMIX_C, JSS_AUDIO_S8, JSS_AUDIO_MONO, jvmMix_Mono_C_FW, jvmMix_Mono_C_BW, jvmPostProcess_S8_C }, | |
56 { JMIX_C, JSS_AUDIO_U8, JSS_AUDIO_STEREO, jvmMix_Stereo_C_FW, jvmMix_Stereo_C_BW, jvmPostProcess_U8_C }, | |
57 { JMIX_C, JSS_AUDIO_S8, JSS_AUDIO_STEREO, jvmMix_Stereo_C_FW, jvmMix_Stereo_C_BW, jvmPostProcess_S8_C }, | |
58 | |
59 { JMIX_C, JSS_AUDIO_U16, JSS_AUDIO_MONO, jvmMix_Mono_C_FW, jvmMix_Mono_C_BW, jvmPostProcess_U16_C }, | |
60 { JMIX_C, JSS_AUDIO_S16, JSS_AUDIO_MONO, jvmMix_Mono_C_FW, jvmMix_Mono_C_BW, jvmPostProcess_S16_C }, | |
61 { JMIX_C, JSS_AUDIO_U16, JSS_AUDIO_STEREO, jvmMix_Stereo_C_FW, jvmMix_Stereo_C_BW, jvmPostProcess_U16_C }, | |
62 { JMIX_C, JSS_AUDIO_S16, JSS_AUDIO_STEREO, jvmMix_Stereo_C_FW, jvmMix_Stereo_C_BW, jvmPostProcess_S16_C }, | |
63 #endif | |
64 }; | |
65 | |
66 static const int jvmNMixRoutines = sizeof(jvmMixRoutines) / sizeof(jvmMixRoutines[0]); | |
67 | |
68 | |
69 static int jvmFindMixRoutine(int outFormat, int outChannels, int mixerID) | |
70 { | |
71 int i; | |
72 | |
73 for (i = 0; i < jvmNMixRoutines; i++) | |
74 { | |
75 if (jvmMixRoutines[i].outFormat == outFormat && | |
76 jvmMixRoutines[i].outChannels == outChannels && | |
77 (mixerID == JMIX_AUTO || jvmMixRoutines[i].mixerID == mixerID)) | |
78 return i; | |
79 } | |
80 | |
81 return -1; | |
82 } | |
83 | |
84 | |
85 JSSMixer *jvmInit(const int outFormat, const int outChannels, const int outFreq, const int mixerID) | |
86 { | |
87 JSSMixer *mixer; | |
88 int mixerIdx, v, i; | |
89 | |
90 // Check settings | |
91 if (outChannels < 1) | |
92 { | |
93 JSSERROR(DMERR_INVALID_ARGS, NULL, | |
94 "Invalid number of channels %d\n", outChannels); | |
95 } | |
96 | |
97 if (outFreq < 4000) | |
98 { | |
99 JSSERROR(DMERR_INVALID_ARGS, NULL, | |
100 "Invalid mixing frequency %d\n", outFreq); | |
101 } | |
102 | |
103 /* Select mixing routines: | |
104 * Here we try to choose the most fitting mixing routines | |
105 * from the compiled in routines, unless caller is forcing | |
106 * us to select specific ones. | |
107 */ | |
108 if (mixerID == JMIX_AUTO) | |
109 { | |
110 mixerIdx = jvmFindMixRoutine(outFormat, outChannels, JMIX_SSE); | |
111 if (mixerIdx < 0) | |
112 mixerIdx = jvmFindMixRoutine(outFormat, outChannels, JMIX_MMX); | |
113 if (mixerIdx < 0) | |
114 mixerIdx = jvmFindMixRoutine(outFormat, outChannels, JMIX_AUTO); | |
115 } | |
116 else | |
117 { | |
118 mixerIdx = jvmFindMixRoutine(outFormat, outChannels, mixerID); | |
119 } | |
120 | |
121 if (mixerIdx < 0) | |
122 { | |
123 JSSERROR(DMERR_INVALID_ARGS, NULL, | |
124 "Could not find mixing routine for outFormat=%d, outChannels=%d, outFreq=%d.\n", | |
125 outFormat, outChannels, outFreq); | |
126 return NULL; | |
127 } | |
128 | |
129 // Allocate a mixer device structure | |
130 mixer = dmMalloc0(sizeof(JSSMixer)); | |
131 if (mixer == NULL) | |
132 { | |
133 JSSERROR(DMERR_MALLOC, NULL, | |
134 "Could not allocate mixing device structure.\n"); | |
135 } | |
136 | |
137 // Initialize variables | |
138 #ifdef JSS_SUP_THREADS | |
139 mixer->mutex = dmCreateMutex(); | |
140 #endif | |
141 mixer->outFormat = outFormat; | |
142 mixer->outFreq = outFreq; | |
143 mixer->outChannels = outChannels; | |
144 | |
145 mixer->jvmMixChannel_FW = jvmMixRoutines[mixerIdx].jvmMixChannel_FW; | |
146 mixer->jvmMixChannel_BW = jvmMixRoutines[mixerIdx].jvmMixChannel_BW; | |
147 mixer->jvmPostProcess = jvmMixRoutines[mixerIdx].jvmPostProcess; | |
148 | |
149 // Allocate addBuffer | |
150 mixer->addBufSize = outChannels * outFreq; | |
151 mixer->addBuffer = dmCalloc(mixer->addBufSize, sizeof(Sint32)); | |
152 if (mixer->addBuffer == NULL) | |
153 { | |
154 JSSERROR(DMERR_MALLOC, NULL, | |
155 "Could not allocate mixing addition buffer.\n"); | |
156 } | |
157 | |
158 // Initialize 8-bit volume table | |
159 for (v = jsetMinVol; v < jsetMaxVol; v++) | |
160 { | |
161 for (i = 0; i < 256; i++) | |
162 { | |
163 mixer->volTab8[v][i] = (v * (i - 128)); | |
164 } | |
165 } | |
166 | |
167 return mixer; | |
168 } | |
169 | |
170 | |
171 int jvmClose(JSSMixer * mixer) | |
172 { | |
173 if (mixer == NULL) | |
174 return DMERR_NULLPTR; | |
175 | |
176 // Deallocate resources | |
177 #ifdef JSS_SUP_THREADS | |
178 dmDestroyMutex(mixer->mutex); | |
179 #endif | |
180 dmFree(mixer->addBuffer); | |
181 | |
182 memset(mixer, 0, sizeof(JSSMixer)); | |
183 dmFree(mixer); | |
184 | |
185 return DMERR_OK; | |
186 } | |
187 | |
188 | |
189 int jvmGetSampleSize(JSSMixer *mixer) | |
190 { | |
191 int sampSize = 1; | |
192 assert(mixer); | |
193 | |
194 switch (mixer->outChannels) | |
195 { | |
196 case JSS_AUDIO_STEREO: | |
197 case JSS_AUDIO_MONO: | |
198 sampSize = mixer->outChannels; | |
199 break; | |
200 default: | |
201 JSSERROR(DMERR_INVALID_ARGS, -1, | |
202 "outChannels=%d not stereo or mono!\n", mixer->outChannels); | |
203 break; | |
204 } | |
205 | |
206 switch (mixer->outFormat) | |
207 { | |
208 case JSS_AUDIO_U16: sampSize *= sizeof(Uint16); break; | |
209 case JSS_AUDIO_S16: sampSize *= sizeof(Sint16); break; | |
210 case JSS_AUDIO_U8: sampSize *= sizeof(Uint8); break; | |
211 case JSS_AUDIO_S8: sampSize *= sizeof(Sint8); break; | |
212 default: | |
213 JSSERROR(DMERR_INVALID_ARGS, -1, | |
214 "outFormat=%d is not supported!\n", mixer->outFormat); | |
215 } | |
216 | |
217 return sampSize; | |
218 } | |
219 | |
220 | |
221 int jvmGetSampleRes(JSSMixer *mixer) | |
222 { | |
223 int sampRes = 1; | |
224 | |
225 assert(mixer); | |
226 | |
227 switch (mixer->outFormat) | |
228 { | |
229 case JSS_AUDIO_U16: case JSS_AUDIO_S16: sampRes = 16; break; | |
230 case JSS_AUDIO_U8: case JSS_AUDIO_S8: sampRes = 8; break; | |
231 default: | |
232 JSSERROR(DMERR_INVALID_ARGS, -1, | |
233 "outFormat=%d is not supported!\n", mixer->outFormat); | |
234 } | |
235 | |
236 return sampRes; | |
237 } | |
238 | |
239 | |
240 static void jvmMixChannel(JSSMixer *mixer, JSSChannel *chn, Sint32 *addBuffer, const int mixLength) | |
241 { | |
242 int mixDone = mixLength, mixResult; | |
243 Sint32 *ab = addBuffer; | |
244 | |
245 if (!chn->chPlaying || chn->chMute) | |
246 return; | |
247 | |
248 DBG("%s(%p, %d)\n", __FUNCTION__, chn, mixLength); | |
249 | |
250 while (mixDone > 0) | |
251 { | |
252 if (chn->chDirection) | |
253 { | |
254 // Channel is playing FORWARDS | |
255 if (chn->chFlags & jsfLooped) | |
256 { | |
257 // Sample is looped | |
258 if (chn->chFlags & jsfBiDi) | |
259 { | |
260 // Bi-directional loop | |
261 if (FP_GETH(chn->chPos) >= chn->chLoopE) | |
262 { | |
263 FP_SETH(chn->chPos, chn->chLoopE - 1); | |
264 FP_SETL(chn->chPos, 0); | |
265 chn->chDirection = FALSE; | |
266 } | |
267 } | |
268 else | |
269 { | |
270 // Normal forward loop | |
271 if (FP_GETH(chn->chPos) >= chn->chLoopE) | |
272 { | |
273 FP_SETH(chn->chPos, chn->chLoopS /* + (FP_GETH(chn->chPos) - chn->chLoopE) */); | |
274 FP_SETL(chn->chPos, 0); | |
275 } | |
276 } | |
277 } | |
278 else | |
279 { | |
280 // Normal (non-looped) sample | |
281 if (FP_GETH(chn->chPos) >= chn->chSize) | |
282 { | |
283 chn->chPlaying = FALSE; | |
284 return; | |
285 } | |
286 } | |
287 } | |
288 else | |
289 { | |
290 // Channel is playing BACKWARDS | |
291 if (chn->chFlags & jsfLooped) | |
292 { | |
293 // Sample is looped | |
294 if (chn->chFlags & jsfBiDi) | |
295 { | |
296 // Bi-directional loop | |
297 if (FP_GETH(chn->chPos) <= chn->chLoopS) | |
298 { | |
299 FP_SETH(chn->chPos, chn->chLoopS); | |
300 FP_SETL(chn->chPos, 0); | |
301 chn->chDirection = TRUE; | |
302 } | |
303 } | |
304 else | |
305 { | |
306 // Normal forward loop | |
307 if (FP_GETH(chn->chPos) <= chn->chLoopS) | |
308 { | |
309 FP_SETH(chn->chPos, chn->chLoopE - 1); | |
310 FP_SETL(chn->chPos, 0); | |
311 } | |
312 } | |
313 } | |
314 else | |
315 { | |
316 // Normal (non-looped) sample | |
317 if (FP_GETH(chn->chPos) <= 0) | |
318 { | |
319 chn->chPlaying = FALSE; | |
320 return; | |
321 } | |
322 } | |
323 } | |
324 | |
325 // Call the mixing innerloop functions | |
326 if (chn->chDirection) | |
327 { | |
328 DBG("MIX_FW[%p : %d : ", ab, mixDone); | |
329 if (chn->chFlags & jsfLooped) | |
330 { | |
331 DBG("%d (%x)] {loop}\n", chn->chLoopE, chn->chLoopE); | |
332 mixResult = mixer->jvmMixChannel_FW((void *) mixer, chn, | |
333 ab, mixDone, chn->chLoopE); | |
334 } | |
335 else | |
336 { | |
337 DBG("%d (%x)]\n", chn->chSize, chn->chSize); | |
338 mixResult = mixer->jvmMixChannel_FW((void *) mixer, chn, | |
339 ab, mixDone, chn->chSize); | |
340 } | |
341 } | |
342 else | |
343 { | |
344 DBG("MIX_BW[%p : %d : ", ab, mixDone); | |
345 if (chn->chFlags & jsfLooped) | |
346 { | |
347 DBG("%d (%x)] {loop}\n", chn->chLoopS, chn->chLoopS); | |
348 mixResult = mixer->jvmMixChannel_BW(mixer, chn, | |
349 ab, mixDone, chn->chLoopS); | |
350 } | |
351 else | |
352 { | |
353 DBG("%d (%x)]\n", 0, 0); | |
354 mixResult = mixer->jvmMixChannel_BW(mixer, chn, | |
355 ab, mixDone, 0); | |
356 } | |
357 } | |
358 | |
359 mixDone -= mixResult; | |
360 ab += mixResult * mixer->outChannels; | |
361 } | |
362 | |
363 #ifdef JSS_DEBUG | |
364 if (mixDone < 0) | |
365 JSSWARNING(DMERR_BOUNDS,, "mixDone < 0 in mixing logic loop.\n"); | |
366 #endif | |
367 } | |
368 | |
369 | |
370 void jvmRenderAudio(JSSMixer *mixer, void *mixBuffer, const int mixLength) | |
371 { | |
372 int i, blockLength, mixLeft; | |
373 Sint32 *ab; | |
374 | |
375 JSS_LOCK(mixer); | |
376 | |
377 assert(mixer != NULL); | |
378 assert(mixBuffer != NULL); | |
379 assert(mixLength > 0); | |
380 assert(mixLength * mixer->outChannels < mixer->addBufSize); | |
381 | |
382 // Clear mixer->addBuffer | |
383 memset(mixer->addBuffer, 0, mixLength * mixer->outChannels * sizeof(Sint32)); | |
384 | |
385 ab = mixer->addBuffer; | |
386 mixLeft = mixLength; | |
387 while (mixLeft > 0) | |
388 { | |
389 // Check for callbacks | |
390 blockLength = mixLeft; | |
391 | |
392 if (mixer->cbFunction) | |
393 { | |
394 if (mixer->cbCounter <= 0) | |
395 { | |
396 mixer->cbFunction(mixer, mixer->cbData); | |
397 mixer->cbCounter = mixer->cbFreq; | |
398 } | |
399 | |
400 if (mixer->cbCounter < blockLength) | |
401 blockLength = mixer->cbCounter; | |
402 } | |
403 | |
404 // Do mixing | |
405 for (i = 0; i < jsetNChannels; i++) | |
406 { | |
407 JSSChannel *chn = &(mixer->channels[i]); | |
408 if (chn->chPlaying && !chn->chMute) | |
409 jvmMixChannel(mixer, chn, ab, blockLength); | |
410 } | |
411 | |
412 /* | |
413 if (chn->chPlaying) | |
414 { | |
415 if (!chn->chMute) | |
416 jvmMixChannel(mixer, chn, ab, blockLength); | |
417 else | |
418 jvmAdvanceChannel(mixer, chn, blockLength); | |
419 } | |
420 */ | |
421 | |
422 ab += blockLength * mixer->outChannels; | |
423 mixLeft -= blockLength; | |
424 mixer->cbCounter -= blockLength; | |
425 } | |
426 | |
427 // Post-process | |
428 mixer->jvmPostProcess(mixer->addBuffer, mixBuffer, mixLength * mixer->outChannels); | |
429 | |
430 JSS_UNLOCK(mixer); | |
431 } | |
432 | |
433 | |
434 int jvmSetCallback(JSSMixer * mixer, void (*cbFunction) (void *, void *), void *cbData) | |
435 { | |
436 assert(mixer); | |
437 | |
438 if (cbFunction == NULL) | |
439 JSSERROR(DMERR_NULLPTR, DMERR_NULLPTR, "NULL pointer given as cbFunction"); | |
440 | |
441 JSS_LOCK(mixer); | |
442 | |
443 mixer->cbFunction = cbFunction; | |
444 mixer->cbData = cbData; | |
445 | |
446 JSS_UNLOCK(mixer); | |
447 | |
448 return DMERR_OK; | |
449 } | |
450 | |
451 | |
452 void jvmRemoveCallback(JSSMixer * mixer) | |
453 { | |
454 assert(mixer); | |
455 | |
456 JSS_LOCK(mixer); | |
457 | |
458 mixer->cbFunction = NULL; | |
459 mixer->cbData = NULL; | |
460 mixer->cbFreq = mixer->cbCounter = 0; | |
461 | |
462 JSS_UNLOCK(mixer); | |
463 } | |
464 | |
465 | |
466 int jvmSetCallbackFreq(JSSMixer * mixer, const int cbFreq) | |
467 { | |
468 assert(mixer); | |
469 | |
470 if ((cbFreq < 1) || (cbFreq >= mixer->outFreq)) | |
471 JSSERROR(DMERR_INVALID_ARGS, DMERR_INVALID_ARGS, | |
472 "Invalid callback frequency given (%i / %i)\n", cbFreq, mixer->outFreq); | |
473 | |
474 JSS_LOCK(mixer); | |
475 | |
476 mixer->cbFreq = (mixer->outFreq / cbFreq); | |
477 mixer->cbCounter = 0; | |
478 | |
479 //fprintf(stderr, "set(outFreq = %d, cbFreq = %d) = %d\n", mixer->outFreq, cbFreq, mixer->cbFreq); | |
480 | |
481 JSS_UNLOCK(mixer); | |
482 return DMERR_OK; | |
483 } | |
484 | |
485 | |
486 /* Channel manipulation routines | |
487 */ | |
488 void jvmPlay(JSSMixer * mixer, const int channel) | |
489 { | |
490 JSS_LOCK(mixer); | |
491 mixer->channels[channel].chPlaying = TRUE; | |
492 JSS_UNLOCK(mixer); | |
493 } | |
494 | |
495 | |
496 void jvmStop(JSSMixer * mixer, const int channel) | |
497 { | |
498 JSS_LOCK(mixer); | |
499 mixer->channels[channel].chPlaying = FALSE; | |
500 JSS_UNLOCK(mixer); | |
501 } | |
502 | |
503 | |
504 void jvmSetSample(JSSMixer * mixer, const int channel, | |
505 void *data, const Uint32 size, const Uint32 loopS, | |
506 const Uint32 loopE, const int flags) | |
507 { | |
508 JSSChannel *c; | |
509 | |
510 JSS_LOCK(mixer); | |
511 c = &mixer->channels[channel]; | |
512 | |
513 c->chData = data; | |
514 c->chSize = size; | |
515 c->chLoopS = loopS; | |
516 c->chLoopE = loopE; | |
517 c->chFlags = flags; | |
518 c->chDirection = TRUE; | |
519 c->chPrevL = c->chPrevR = 0; | |
520 c->chPos.dw = c->chDeltaO.dw = 0; | |
521 | |
522 JSS_UNLOCK(mixer); | |
523 } | |
524 | |
525 | |
526 void jvmSetFreq(JSSMixer * mixer, const int channel, const int freq) | |
527 { | |
528 JSS_LOCK(mixer); | |
529 | |
530 mixer->channels[channel].chFreq = freq; | |
531 | |
532 if (mixer->outFreq > 0) | |
533 { | |
534 DMFixedPoint a, b; | |
535 FP_SETHL(a, freq, 0); | |
536 FP_CONV(b, mixer->outFreq); | |
537 FP_DIV_R(mixer->channels[channel].chDeltaO, a, b); | |
538 } | |
539 else | |
540 { | |
541 FP_SET(mixer->channels[channel].chDeltaO, 0); | |
542 } | |
543 | |
544 JSS_UNLOCK(mixer); | |
545 } | |
546 | |
547 | |
548 int jvmGetFreq(JSSMixer * mixer, const int channel) | |
549 { | |
550 int tmp; | |
551 | |
552 JSS_LOCK(mixer); | |
553 tmp = mixer->channels[channel].chFreq; | |
554 JSS_UNLOCK(mixer); | |
555 | |
556 return tmp; | |
557 } | |
558 | |
559 | |
560 void jvmSetVolume(JSSMixer * mixer, const int channel, const int volume) | |
561 { | |
562 JSS_LOCK(mixer); | |
563 mixer->channels[channel].chVolume = volume; | |
564 JSS_UNLOCK(mixer); | |
565 } | |
566 | |
567 | |
568 int jvmGetVolume(JSSMixer * mixer, const int channel) | |
569 { | |
570 int tmp; | |
571 | |
572 JSS_LOCK(mixer); | |
573 tmp = mixer->channels[channel].chVolume; | |
574 JSS_UNLOCK(mixer); | |
575 | |
576 return tmp; | |
577 } | |
578 | |
579 | |
580 void jvmSetPos(JSSMixer * mixer, const int channel, const Uint32 pos) | |
581 { | |
582 JSS_LOCK(mixer); | |
583 FP_SETH(mixer->channels[channel].chPos, pos); | |
584 FP_SETL(mixer->channels[channel].chPos, 0); | |
585 JSS_UNLOCK(mixer); | |
586 } | |
587 | |
588 | |
589 Uint32 jvmGetPos(JSSMixer * mixer, const int channel) | |
590 { | |
591 Uint32 tmp; | |
592 | |
593 JSS_LOCK(mixer); | |
594 tmp = FP_GETH(mixer->channels[channel].chPos); | |
595 JSS_UNLOCK(mixer); | |
596 | |
597 return tmp; | |
598 } | |
599 | |
600 | |
601 void jvmSetPan(JSSMixer * mixer, const int channel, const int panning) | |
602 { | |
603 JSS_LOCK(mixer); | |
604 mixer->channels[channel].chPanning = panning; | |
605 JSS_UNLOCK(mixer); | |
606 } | |
607 | |
608 | |
609 int jvmGetPan(JSSMixer * mixer, const int channel) | |
610 { | |
611 int tmp; | |
612 | |
613 JSS_LOCK(mixer); | |
614 tmp = mixer->channels[channel].chPanning; | |
615 JSS_UNLOCK(mixer); | |
616 | |
617 return tmp; | |
618 } | |
619 | |
620 | |
621 void jvmMute(JSSMixer * mixer, const int channel, const BOOL mute) | |
622 { | |
623 JSS_LOCK(mixer); | |
624 mixer->channels[channel].chMute = mute; | |
625 JSS_UNLOCK(mixer); | |
626 } | |
627 | |
628 | |
629 void jvmClear(JSSMixer * mixer, const int channel) | |
630 { | |
631 JSS_LOCK(mixer); | |
632 memset(&mixer->channels[channel], 0, sizeof(JSSChannel)); | |
633 JSS_UNLOCK(mixer); | |
634 } | |
635 | |
636 | |
637 void jvmSetGlobalVol(JSSMixer * mixer, const int volume) | |
638 { | |
639 JSS_LOCK(mixer); | |
640 mixer->globalVol = volume; | |
641 JSS_UNLOCK(mixer); | |
642 } | |
643 | |
644 | |
645 int jvmGetGlobalVol(JSSMixer * mixer) | |
646 { | |
647 int tmp; | |
648 | |
649 JSS_LOCK(mixer); | |
650 tmp = mixer->globalVol; | |
651 JSS_UNLOCK(mixer); | |
652 | |
653 return tmp; | |
654 } |