Mercurial > hg > dmlib
annotate jssmix.c @ 36:f3407a58e01e
Change DMFixedPoint types and appropriate JSS functions back to using signed
integers, easier than trying to get unsigned sizes etc. to work properly in
audio mixing.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Sat, 29 Sep 2012 20:41:36 +0300 |
| parents | 7908061da010 |
| children | 033c660c25f5 |
| 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 | |
|
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Fix building of JSS mixer parts.
Matti Hamalainen <ccr@tnsp.org>
parents:
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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
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Fix building of JSS mixer parts.
Matti Hamalainen <ccr@tnsp.org>
parents:
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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; | |
|
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f3407a58e01e
Change DMFixedPoint types and appropriate JSS functions back to using signed
Matti Hamalainen <ccr@tnsp.org>
parents:
34
diff
changeset
|
30 int (*jvmMixChannel_FW)(JSSMixer *, JSSChannel *, Sint32 *, const int, const Sint32); |
|
f3407a58e01e
Change DMFixedPoint types and appropriate JSS functions back to using signed
Matti Hamalainen <ccr@tnsp.org>
parents:
34
diff
changeset
|
31 int (*jvmMixChannel_BW)(JSSMixer *, JSSChannel *, Sint32 *, const int, const Sint32); |
| 0 | 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, | |
|
36
f3407a58e01e
Change DMFixedPoint types and appropriate JSS functions back to using signed
Matti Hamalainen <ccr@tnsp.org>
parents:
34
diff
changeset
|
505 void *data, const Sint32 size, const Sint32 loopS, |
|
f3407a58e01e
Change DMFixedPoint types and appropriate JSS functions back to using signed
Matti Hamalainen <ccr@tnsp.org>
parents:
34
diff
changeset
|
506 const Sint32 loopE, const int flags) |
| 0 | 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 | |
|
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Change DMFixedPoint types and appropriate JSS functions back to using signed
Matti Hamalainen <ccr@tnsp.org>
parents:
34
diff
changeset
|
580 void jvmSetPos(JSSMixer * mixer, const int channel, const Sint32 pos) |
| 0 | 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 | |
|
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Change DMFixedPoint types and appropriate JSS functions back to using signed
Matti Hamalainen <ccr@tnsp.org>
parents:
34
diff
changeset
|
589 Sint32 jvmGetPos(JSSMixer * mixer, const int channel) |
| 0 | 590 { |
|
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Change DMFixedPoint types and appropriate JSS functions back to using signed
Matti Hamalainen <ccr@tnsp.org>
parents:
34
diff
changeset
|
591 Sint32 tmp; |
| 0 | 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 } |