The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1 | /* |
| 2 | * QEMU OS X CoreAudio audio driver |
| 3 | * |
| 4 | * Copyright (c) 2008 The Android Open Source Project |
| 5 | * Copyright (c) 2005 Mike Kronenberg |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 8 | * of this software and associated documentation files (the "Software"), to deal |
| 9 | * in the Software without restriction, including without limitation the rights |
| 10 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 11 | * copies of the Software, and to permit persons to whom the Software is |
| 12 | * furnished to do so, subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice shall be included in |
| 15 | * all copies or substantial portions of the Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 20 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 21 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 22 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 23 | * THE SOFTWARE. |
| 24 | */ |
| 25 | |
| 26 | #include <CoreAudio/CoreAudio.h> |
| 27 | #include <string.h> /* strerror */ |
| 28 | #include <pthread.h> /* pthread_X */ |
| 29 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 30 | #include "qemu-common.h" |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 31 | #include "audio.h" |
| 32 | |
| 33 | #define AUDIO_CAP "coreaudio" |
| 34 | #include "audio_int.h" |
| 35 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 36 | #if 0 |
| 37 | # define D(...) fprintf(stderr, __VA_ARGS__) |
| 38 | #else |
| 39 | # define D(...) ((void)0) |
| 40 | #endif |
| 41 | |
| 42 | struct { |
| 43 | int out_buffer_frames; |
| 44 | int out_nbuffers; |
| 45 | int in_buffer_frames; |
| 46 | int in_nbuffers; |
| 47 | int isAtexit; |
| 48 | } conf = { |
| 49 | .out_buffer_frames = 512, |
| 50 | .out_nbuffers = 4, |
| 51 | .in_buffer_frames = 512, |
| 52 | .in_nbuffers = 4, |
| 53 | .isAtexit = 0 |
| 54 | }; |
| 55 | |
| 56 | /***************************************************************************************/ |
| 57 | /***************************************************************************************/ |
| 58 | /*** ***/ |
| 59 | /*** U T I L I T Y R O U T I N E S ***/ |
| 60 | /*** ***/ |
| 61 | /***************************************************************************************/ |
| 62 | /***************************************************************************************/ |
| 63 | |
| 64 | static void coreaudio_logstatus (OSStatus status) |
| 65 | { |
| 66 | char *str = "BUG"; |
| 67 | |
| 68 | switch(status) { |
| 69 | case kAudioHardwareNoError: |
| 70 | str = "kAudioHardwareNoError"; |
| 71 | break; |
| 72 | |
| 73 | case kAudioHardwareNotRunningError: |
| 74 | str = "kAudioHardwareNotRunningError"; |
| 75 | break; |
| 76 | |
| 77 | case kAudioHardwareUnspecifiedError: |
| 78 | str = "kAudioHardwareUnspecifiedError"; |
| 79 | break; |
| 80 | |
| 81 | case kAudioHardwareUnknownPropertyError: |
| 82 | str = "kAudioHardwareUnknownPropertyError"; |
| 83 | break; |
| 84 | |
| 85 | case kAudioHardwareBadPropertySizeError: |
| 86 | str = "kAudioHardwareBadPropertySizeError"; |
| 87 | break; |
| 88 | |
| 89 | case kAudioHardwareIllegalOperationError: |
| 90 | str = "kAudioHardwareIllegalOperationError"; |
| 91 | break; |
| 92 | |
| 93 | case kAudioHardwareBadDeviceError: |
| 94 | str = "kAudioHardwareBadDeviceError"; |
| 95 | break; |
| 96 | |
| 97 | case kAudioHardwareBadStreamError: |
| 98 | str = "kAudioHardwareBadStreamError"; |
| 99 | break; |
| 100 | |
| 101 | case kAudioHardwareUnsupportedOperationError: |
| 102 | str = "kAudioHardwareUnsupportedOperationError"; |
| 103 | break; |
| 104 | |
| 105 | case kAudioDeviceUnsupportedFormatError: |
| 106 | str = "kAudioDeviceUnsupportedFormatError"; |
| 107 | break; |
| 108 | |
| 109 | case kAudioDevicePermissionsError: |
| 110 | str = "kAudioDevicePermissionsError"; |
| 111 | break; |
| 112 | |
| 113 | default: |
| 114 | AUD_log (AUDIO_CAP, "Reason: status code %ld\n", status); |
| 115 | return; |
| 116 | } |
| 117 | |
| 118 | AUD_log (AUDIO_CAP, "Reason: %s\n", str); |
| 119 | } |
| 120 | |
| 121 | static void GCC_FMT_ATTR (2, 3) coreaudio_logerr ( |
| 122 | OSStatus status, |
| 123 | const char *fmt, |
| 124 | ... |
| 125 | ) |
| 126 | { |
| 127 | va_list ap; |
| 128 | |
| 129 | va_start (ap, fmt); |
| 130 | AUD_log (AUDIO_CAP, fmt, ap); |
| 131 | va_end (ap); |
| 132 | |
| 133 | coreaudio_logstatus (status); |
| 134 | } |
| 135 | |
| 136 | static void GCC_FMT_ATTR (3, 4) coreaudio_logerr2 ( |
| 137 | OSStatus status, |
| 138 | const char *typ, |
| 139 | const char *fmt, |
| 140 | ... |
| 141 | ) |
| 142 | { |
| 143 | va_list ap; |
| 144 | |
| 145 | AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ); |
| 146 | |
| 147 | va_start (ap, fmt); |
| 148 | AUD_vlog (AUDIO_CAP, fmt, ap); |
| 149 | va_end (ap); |
| 150 | |
| 151 | coreaudio_logstatus (status); |
| 152 | } |
| 153 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 154 | /***************************************************************************************/ |
| 155 | /***************************************************************************************/ |
| 156 | /*** ***/ |
| 157 | /*** S H A R E D I N / O U T V O I C E ***/ |
| 158 | /*** ***/ |
| 159 | /***************************************************************************************/ |
| 160 | /***************************************************************************************/ |
| 161 | |
| 162 | typedef struct coreAudioVoice { |
| 163 | pthread_mutex_t mutex; |
| 164 | AudioDeviceID deviceID; |
| 165 | Boolean isInput; |
| 166 | UInt32 bufferFrameSize; |
| 167 | AudioStreamBasicDescription streamBasicDescription; |
| 168 | AudioDeviceIOProc ioproc; |
| 169 | int live; |
| 170 | int decr; |
| 171 | int pos; |
| 172 | } coreaudioVoice; |
| 173 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 174 | static inline UInt32 |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 175 | coreaudio_voice_isPlaying (coreaudioVoice *core) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 176 | { |
| 177 | OSStatus status; |
| 178 | UInt32 result = 0; |
| 179 | UInt32 propertySize = sizeof(core->deviceID); |
| 180 | status = AudioDeviceGetProperty( |
| 181 | core->deviceID, 0, core->isInput, |
| 182 | kAudioDevicePropertyDeviceIsRunning, &propertySize, &result); |
| 183 | if (status != kAudioHardwareNoError) { |
| 184 | coreaudio_logerr(status, |
| 185 | "Could not determine whether Device is playing\n"); |
| 186 | } |
| 187 | return result; |
| 188 | } |
| 189 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 190 | static void coreaudio_atexit (void) |
| 191 | { |
| 192 | conf.isAtexit = 1; |
| 193 | } |
| 194 | |
| 195 | static int coreaudio_voice_lock (coreaudioVoice *core, const char *fn_name) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 196 | { |
| 197 | int err; |
| 198 | |
| 199 | err = pthread_mutex_lock (&core->mutex); |
| 200 | if (err) { |
| 201 | dolog ("Could not lock voice for %s\nReason: %s\n", |
| 202 | fn_name, strerror (err)); |
| 203 | return -1; |
| 204 | } |
| 205 | return 0; |
| 206 | } |
| 207 | |
| 208 | static int |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 209 | coreaudio_voice_unlock (coreaudioVoice *core, const char *fn_name) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 210 | { |
| 211 | int err; |
| 212 | |
| 213 | err = pthread_mutex_unlock (&core->mutex); |
| 214 | if (err) { |
| 215 | dolog ("Could not unlock voice for %s\nReason: %s\n", |
| 216 | fn_name, strerror (err)); |
| 217 | return -1; |
| 218 | } |
| 219 | return 0; |
| 220 | } |
| 221 | |
| 222 | static int |
| 223 | coreaudio_voice_ctl (coreaudioVoice* core, int cmd) |
| 224 | { |
| 225 | OSStatus status; |
| 226 | |
| 227 | switch (cmd) { |
| 228 | case VOICE_ENABLE: |
| 229 | /* start playback */ |
| 230 | D("%s: %s started\n", __FUNCTION__, core->isInput ? "input" : "output"); |
| 231 | if (!coreaudio_voice_isPlaying(core)) { |
| 232 | status = AudioDeviceStart(core->deviceID, core->ioproc); |
| 233 | if (status != kAudioHardwareNoError) { |
| 234 | coreaudio_logerr (status, "Could not resume playback\n"); |
| 235 | } |
| 236 | } |
| 237 | break; |
| 238 | |
| 239 | case VOICE_DISABLE: |
| 240 | /* stop playback */ |
| 241 | D("%s: %s stopped\n", __FUNCTION__, core->isInput ? "input" : "output"); |
| 242 | if (!conf.isAtexit) { |
| 243 | if (coreaudio_voice_isPlaying(core)) { |
| 244 | status = AudioDeviceStop(core->deviceID, core->ioproc); |
| 245 | if (status != kAudioHardwareNoError) { |
| 246 | coreaudio_logerr (status, "Could not pause playback\n"); |
| 247 | } |
| 248 | } |
| 249 | } |
| 250 | break; |
| 251 | } |
| 252 | return 0; |
| 253 | } |
| 254 | |
| 255 | static void |
| 256 | coreaudio_voice_fini (coreaudioVoice* core) |
| 257 | { |
| 258 | OSStatus status; |
| 259 | int err; |
| 260 | |
| 261 | if (!conf.isAtexit) { |
| 262 | /* stop playback */ |
| 263 | coreaudio_voice_ctl(core, VOICE_DISABLE); |
| 264 | |
| 265 | /* remove callback */ |
| 266 | status = AudioDeviceRemoveIOProc(core->deviceID, core->ioproc); |
| 267 | if (status != kAudioHardwareNoError) { |
| 268 | coreaudio_logerr (status, "Could not remove IOProc\n"); |
| 269 | } |
| 270 | } |
| 271 | core->deviceID = kAudioDeviceUnknown; |
| 272 | |
| 273 | /* destroy mutex */ |
| 274 | err = pthread_mutex_destroy(&core->mutex); |
| 275 | if (err) { |
| 276 | dolog("Could not destroy mutex\nReason: %s\n", strerror (err)); |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | |
| 281 | static int |
| 282 | coreaudio_voice_init (coreaudioVoice* core, |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 283 | struct audsettings* as, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 284 | int frameSize, |
| 285 | AudioDeviceIOProc ioproc, |
| 286 | void* hw, |
| 287 | int input) |
| 288 | { |
| 289 | OSStatus status; |
| 290 | UInt32 propertySize; |
| 291 | int err; |
| 292 | int bits = 8; |
| 293 | AudioValueRange frameRange; |
| 294 | const char* typ = input ? "input" : "playback"; |
| 295 | |
| 296 | core->isInput = input ? true : false; |
| 297 | |
| 298 | /* create mutex */ |
| 299 | err = pthread_mutex_init(&core->mutex, NULL); |
| 300 | if (err) { |
| 301 | dolog("Could not create mutex\nReason: %s\n", strerror (err)); |
| 302 | return -1; |
| 303 | } |
| 304 | |
| 305 | if (as->fmt == AUD_FMT_S16 || as->fmt == AUD_FMT_U16) { |
| 306 | bits = 16; |
| 307 | } |
| 308 | |
| 309 | // TODO: audio_pcm_init_info (&hw->info, as); |
| 310 | /* open default output device */ |
| 311 | /* note: we use DefaultSystemOutputDevice because DefaultOutputDevice seems to |
| 312 | * always link to the internal speakers, and not the ones selected through system properties |
| 313 | * go figure... |
| 314 | */ |
| 315 | propertySize = sizeof(core->deviceID); |
| 316 | status = AudioHardwareGetProperty( |
| 317 | input ? kAudioHardwarePropertyDefaultInputDevice : |
| 318 | kAudioHardwarePropertyDefaultSystemOutputDevice, |
| 319 | &propertySize, |
| 320 | &core->deviceID); |
| 321 | if (status != kAudioHardwareNoError) { |
| 322 | coreaudio_logerr2 (status, typ, |
| 323 | "Could not get default %s device\n", typ); |
| 324 | return -1; |
| 325 | } |
| 326 | if (core->deviceID == kAudioDeviceUnknown) { |
| 327 | dolog ("Could not initialize %s - Unknown Audiodevice\n", typ); |
| 328 | return -1; |
| 329 | } |
| 330 | |
| 331 | /* get minimum and maximum buffer frame sizes */ |
| 332 | propertySize = sizeof(frameRange); |
| 333 | status = AudioDeviceGetProperty( |
| 334 | core->deviceID, |
| 335 | 0, |
| 336 | core->isInput, |
| 337 | kAudioDevicePropertyBufferFrameSizeRange, |
| 338 | &propertySize, |
| 339 | &frameRange); |
| 340 | if (status != kAudioHardwareNoError) { |
| 341 | coreaudio_logerr2 (status, typ, |
| 342 | "Could not get device buffer frame range\n"); |
| 343 | return -1; |
| 344 | } |
| 345 | |
| 346 | if (frameRange.mMinimum > frameSize) { |
| 347 | core->bufferFrameSize = (UInt32) frameRange.mMinimum; |
| 348 | dolog ("warning: Upsizing Output Buffer Frames to %f\n", frameRange.mMinimum); |
| 349 | } |
| 350 | else if (frameRange.mMaximum < frameSize) { |
| 351 | core->bufferFrameSize = (UInt32) frameRange.mMaximum; |
| 352 | dolog ("warning: Downsizing Output Buffer Frames to %f\n", frameRange.mMaximum); |
| 353 | } |
| 354 | else { |
| 355 | core->bufferFrameSize = frameSize; |
| 356 | } |
| 357 | |
| 358 | /* set Buffer Frame Size */ |
| 359 | propertySize = sizeof(core->bufferFrameSize); |
| 360 | status = AudioDeviceSetProperty( |
| 361 | core->deviceID, |
| 362 | NULL, |
| 363 | 0, |
| 364 | core->isInput, |
| 365 | kAudioDevicePropertyBufferFrameSize, |
| 366 | propertySize, |
| 367 | &core->bufferFrameSize); |
| 368 | if (status != kAudioHardwareNoError) { |
| 369 | coreaudio_logerr2 (status, typ, |
| 370 | "Could not set device buffer frame size %ld\n", |
| 371 | core->bufferFrameSize); |
| 372 | return -1; |
| 373 | } |
| 374 | |
| 375 | /* get Buffer Frame Size */ |
| 376 | propertySize = sizeof(core->bufferFrameSize); |
| 377 | status = AudioDeviceGetProperty( |
| 378 | core->deviceID, |
| 379 | 0, |
| 380 | core->isInput, |
| 381 | kAudioDevicePropertyBufferFrameSize, |
| 382 | &propertySize, |
| 383 | &core->bufferFrameSize); |
| 384 | if (status != kAudioHardwareNoError) { |
| 385 | coreaudio_logerr2 (status, typ, |
| 386 | "Could not get device buffer frame size\n"); |
| 387 | return -1; |
| 388 | } |
| 389 | // TODO: hw->samples = *pNBuffers * core->bufferFrameSize; |
| 390 | |
| 391 | /* get StreamFormat */ |
| 392 | propertySize = sizeof(core->streamBasicDescription); |
| 393 | status = AudioDeviceGetProperty( |
| 394 | core->deviceID, |
| 395 | 0, |
| 396 | core->isInput, |
| 397 | kAudioDevicePropertyStreamFormat, |
| 398 | &propertySize, |
| 399 | &core->streamBasicDescription); |
| 400 | if (status != kAudioHardwareNoError) { |
| 401 | coreaudio_logerr2 (status, typ, |
| 402 | "Could not get Device Stream properties\n"); |
| 403 | core->deviceID = kAudioDeviceUnknown; |
| 404 | return -1; |
| 405 | } |
| 406 | |
| 407 | /* set Samplerate */ |
| 408 | core->streamBasicDescription.mSampleRate = (Float64) as->freq; |
| 409 | propertySize = sizeof(core->streamBasicDescription); |
| 410 | status = AudioDeviceSetProperty( |
| 411 | core->deviceID, |
| 412 | 0, |
| 413 | 0, |
| 414 | core->isInput, |
| 415 | kAudioDevicePropertyStreamFormat, |
| 416 | propertySize, |
| 417 | &core->streamBasicDescription); |
| 418 | if (status != kAudioHardwareNoError) { |
| 419 | coreaudio_logerr2 (status, typ, "Could not set samplerate %d\n", |
| 420 | as->freq); |
| 421 | core->deviceID = kAudioDeviceUnknown; |
| 422 | return -1; |
| 423 | } |
| 424 | |
| 425 | /* set Callback */ |
| 426 | core->ioproc = ioproc; |
| 427 | status = AudioDeviceAddIOProc(core->deviceID, ioproc, hw); |
| 428 | if (status != kAudioHardwareNoError) { |
| 429 | coreaudio_logerr2 (status, typ, "Could not set IOProc\n"); |
| 430 | core->deviceID = kAudioDeviceUnknown; |
| 431 | return -1; |
| 432 | } |
| 433 | |
| 434 | /* start Playback */ |
| 435 | if (!input && !coreaudio_voice_isPlaying(core)) { |
| 436 | status = AudioDeviceStart(core->deviceID, core->ioproc); |
| 437 | if (status != kAudioHardwareNoError) { |
| 438 | coreaudio_logerr2 (status, typ, "Could not start playback\n"); |
| 439 | AudioDeviceRemoveIOProc(core->deviceID, core->ioproc); |
| 440 | core->deviceID = kAudioDeviceUnknown; |
| 441 | return -1; |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | return 0; |
| 446 | } |
| 447 | |
| 448 | |
| 449 | /***************************************************************************************/ |
| 450 | /***************************************************************************************/ |
| 451 | /*** ***/ |
| 452 | /*** O U T P U T V O I C E ***/ |
| 453 | /*** ***/ |
| 454 | /***************************************************************************************/ |
| 455 | /***************************************************************************************/ |
| 456 | |
| 457 | typedef struct coreaudioVoiceOut { |
| 458 | HWVoiceOut hw; |
| 459 | coreaudioVoice core[1]; |
| 460 | } coreaudioVoiceOut; |
| 461 | |
| 462 | #define CORE_OUT(hw) ((coreaudioVoiceOut*)(hw))->core |
| 463 | |
| 464 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 465 | static int coreaudio_run_out (HWVoiceOut *hw, int live) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 466 | { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 467 | int decr; |
| 468 | coreaudioVoice *core = CORE_OUT(hw); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 469 | |
| 470 | if (coreaudio_voice_lock (core, "coreaudio_run_out")) { |
| 471 | return 0; |
| 472 | } |
| 473 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 474 | if (core->decr > live) { |
| 475 | ldebug ("core->decr %d live %d core->live %d\n", |
| 476 | core->decr, |
| 477 | live, |
| 478 | core->live); |
| 479 | } |
| 480 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 481 | decr = audio_MIN (core->decr, live); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 482 | core->decr -= decr; |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 483 | |
| 484 | core->live = live - decr; |
| 485 | hw->rpos = core->pos; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 486 | |
| 487 | coreaudio_voice_unlock (core, "coreaudio_run_out"); |
| 488 | return decr; |
| 489 | } |
| 490 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 491 | /* callback to feed audiooutput buffer */ |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 492 | static OSStatus audioOutDeviceIOProc( |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 493 | AudioDeviceID inDevice, |
| 494 | const AudioTimeStamp* inNow, |
| 495 | const AudioBufferList* inInputData, |
| 496 | const AudioTimeStamp* inInputTime, |
| 497 | AudioBufferList* outOutputData, |
| 498 | const AudioTimeStamp* inOutputTime, |
| 499 | void* hwptr) |
| 500 | { |
| 501 | UInt32 frame, frameCount; |
| 502 | float *out = outOutputData->mBuffers[0].mData; |
| 503 | HWVoiceOut *hw = hwptr; |
| 504 | coreaudioVoice *core = CORE_OUT(hw); |
| 505 | int rpos, live; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 506 | struct st_sample *src; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 507 | #ifndef FLOAT_MIXENG |
| 508 | #ifdef RECIPROCAL |
| 509 | const float scale = 1.f / UINT_MAX; |
| 510 | #else |
| 511 | const float scale = UINT_MAX; |
| 512 | #endif |
| 513 | #endif |
| 514 | |
| 515 | if (coreaudio_voice_lock (core, "audioDeviceIOProc")) { |
| 516 | inInputTime = 0; |
| 517 | return 0; |
| 518 | } |
| 519 | |
| 520 | frameCount = core->bufferFrameSize; |
| 521 | live = core->live; |
| 522 | |
| 523 | /* if there are not enough samples, set signal and return */ |
| 524 | if (live < frameCount) { |
| 525 | inInputTime = 0; |
| 526 | coreaudio_voice_unlock (core, "audioDeviceIOProc(empty)"); |
| 527 | return 0; |
| 528 | } |
| 529 | |
| 530 | rpos = core->pos; |
| 531 | src = hw->mix_buf + rpos; |
| 532 | |
| 533 | /* fill buffer */ |
| 534 | for (frame = 0; frame < frameCount; frame++) { |
| 535 | #ifdef FLOAT_MIXENG |
| 536 | *out++ = src[frame].l; /* left channel */ |
| 537 | *out++ = src[frame].r; /* right channel */ |
| 538 | #else |
| 539 | #ifdef RECIPROCAL |
| 540 | *out++ = src[frame].l * scale; /* left channel */ |
| 541 | *out++ = src[frame].r * scale; /* right channel */ |
| 542 | #else |
| 543 | *out++ = src[frame].l / scale; /* left channel */ |
| 544 | *out++ = src[frame].r / scale; /* right channel */ |
| 545 | #endif |
| 546 | #endif |
| 547 | } |
| 548 | |
| 549 | rpos = (rpos + frameCount) % hw->samples; |
| 550 | core->decr += frameCount; |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 551 | core->pos = rpos; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 552 | |
| 553 | coreaudio_voice_unlock (core, "audioDeviceIOProc"); |
| 554 | return 0; |
| 555 | } |
| 556 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 557 | static int coreaudio_write (SWVoiceOut *sw, void *buf, int len) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 558 | { |
| 559 | return audio_pcm_sw_write (sw, buf, len); |
| 560 | } |
| 561 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 562 | static int coreaudio_init_out (HWVoiceOut *hw, struct audsettings *as) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 563 | { |
| 564 | coreaudioVoice* core = CORE_OUT(hw); |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 565 | int err; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 566 | |
| 567 | audio_pcm_init_info (&hw->info, as); |
| 568 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 569 | err = coreaudio_voice_init (core, as, conf.out_buffer_frames, audioOutDeviceIOProc, hw, 0); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 570 | if (err < 0) |
| 571 | return err; |
| 572 | |
| 573 | hw->samples = core->bufferFrameSize * conf.out_nbuffers; |
| 574 | return 0; |
| 575 | } |
| 576 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 577 | static void coreaudio_fini_out (HWVoiceOut *hw) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 578 | { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 579 | coreaudioVoice *core = CORE_OUT(hw); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 580 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 581 | coreaudio_voice_fini (core); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 582 | } |
| 583 | |
| 584 | static int |
| 585 | coreaudio_ctl_out (HWVoiceOut *hw, int cmd, ...) |
| 586 | { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 587 | coreaudioVoice *core = CORE_OUT(hw); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 588 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 589 | return coreaudio_voice_ctl (core, cmd); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 590 | } |
| 591 | |
| 592 | /***************************************************************************************/ |
| 593 | /***************************************************************************************/ |
| 594 | /*** ***/ |
| 595 | /*** I N P U T V O I C E ***/ |
| 596 | /*** ***/ |
| 597 | /***************************************************************************************/ |
| 598 | /***************************************************************************************/ |
| 599 | |
| 600 | |
| 601 | |
| 602 | typedef struct coreaudioVoiceIn { |
| 603 | HWVoiceIn hw; |
| 604 | coreaudioVoice core[1]; |
| 605 | } coreaudioVoiceIn; |
| 606 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 607 | #define CORE_IN(hw) ((coreaudioVoiceIn *) (hw))->core |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 608 | |
| 609 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 610 | static int coreaudio_run_in (HWVoiceIn *hw, int live) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 611 | { |
| 612 | int decr; |
| 613 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 614 | coreaudioVoice *core = CORE_IN(hw); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 615 | |
| 616 | if (coreaudio_voice_lock (core, "coreaudio_run_in")) { |
| 617 | return 0; |
| 618 | } |
| 619 | D("%s: core.decr=%d core.pos=%d\n", __FUNCTION__, core->decr, core->pos); |
| 620 | decr = core->decr; |
| 621 | core->decr -= decr; |
| 622 | hw->wpos = core->pos; |
| 623 | |
| 624 | coreaudio_voice_unlock (core, "coreaudio_run_in"); |
| 625 | return decr; |
| 626 | } |
| 627 | |
| 628 | |
| 629 | /* callback to feed audiooutput buffer */ |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 630 | static OSStatus audioInDeviceIOProc( |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 631 | AudioDeviceID inDevice, |
| 632 | const AudioTimeStamp* inNow, |
| 633 | const AudioBufferList* inInputData, |
| 634 | const AudioTimeStamp* inInputTime, |
| 635 | AudioBufferList* outOutputData, |
| 636 | const AudioTimeStamp* inOutputTime, |
| 637 | void* hwptr) |
| 638 | { |
| 639 | UInt32 frame, frameCount; |
| 640 | float *in = inInputData->mBuffers[0].mData; |
| 641 | HWVoiceIn *hw = hwptr; |
| 642 | coreaudioVoice *core = CORE_IN(hw); |
| 643 | int wpos, avail; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 644 | struct st_sample *dst; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 645 | #ifndef FLOAT_MIXENG |
| 646 | #ifdef RECIPROCAL |
| 647 | const float scale = 1.f / UINT_MAX; |
| 648 | #else |
| 649 | const float scale = UINT_MAX; |
| 650 | #endif |
| 651 | #endif |
| 652 | |
| 653 | if (coreaudio_voice_lock (core, "audioDeviceIOProc")) { |
| 654 | inInputTime = 0; |
| 655 | return 0; |
| 656 | } |
| 657 | |
| 658 | frameCount = core->bufferFrameSize; |
| 659 | avail = hw->samples - hw->total_samples_captured - core->decr; |
| 660 | |
| 661 | D("%s: enter avail=%d core.decr=%d core.pos=%d hw.samples=%d hw.total_samples_captured=%d frameCount=%d\n", |
| 662 | __FUNCTION__, avail, core->decr, core->pos, hw->samples, hw->total_samples_captured, (int)frameCount); |
| 663 | |
| 664 | /* if there are not enough samples, set signal and return */ |
| 665 | if (avail < frameCount) { |
| 666 | inInputTime = 0; |
| 667 | coreaudio_voice_unlock (core, "audioDeviceIOProc(empty)"); |
| 668 | return 0; |
| 669 | } |
| 670 | |
| 671 | wpos = core->pos; |
| 672 | dst = hw->conv_buf + wpos; |
| 673 | |
| 674 | /* fill buffer */ |
| 675 | for (frame = 0; frame < frameCount; frame++) { |
| 676 | #ifdef FLOAT_MIXENG |
| 677 | dst[frame].l = *in++; /* left channel */ |
| 678 | dst[frame].r = *in++; /* right channel */ |
| 679 | #else |
| 680 | #ifdef RECIPROCAL |
| 681 | dst[frame].l = *in++ * scale; /* left channel */ |
| 682 | dst[frame].r = *in++ * scale; /* right channel */ |
| 683 | #else |
| 684 | dst[frame].l = *in++ / scale; /* left channel */ |
| 685 | dst[frame].r = *in++ / scale; /* right channel */ |
| 686 | #endif |
| 687 | #endif |
| 688 | } |
| 689 | |
| 690 | wpos = (wpos + frameCount) % hw->samples; |
| 691 | core->decr += frameCount; |
| 692 | core->pos = wpos; |
| 693 | |
| 694 | D("exit: core.decr=%d core.pos=%d\n", core->decr, core->pos); |
| 695 | coreaudio_voice_unlock (core, "audioDeviceIOProc"); |
| 696 | return 0; |
| 697 | } |
| 698 | |
| 699 | static int |
| 700 | coreaudio_read (SWVoiceIn *sw, void *buf, int len) |
| 701 | { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 702 | int result = audio_pcm_sw_read (sw, buf, len); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 703 | D("%s: audio_pcm_sw_read(%d) returned %d\n", __FUNCTION__, len, result); |
| 704 | return result; |
| 705 | } |
| 706 | |
| 707 | static int |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 708 | coreaudio_init_in (HWVoiceIn *hw, struct audsettings *as) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 709 | { |
| 710 | coreaudioVoice* core = CORE_IN(hw); |
| 711 | int err; |
| 712 | |
| 713 | audio_pcm_init_info (&hw->info, as); |
| 714 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 715 | err = coreaudio_voice_init (core, as, conf.in_buffer_frames, audioInDeviceIOProc, hw, 1); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 716 | if (err < 0) { |
| 717 | return err; |
| 718 | } |
| 719 | |
| 720 | hw->samples = core->bufferFrameSize * conf.in_nbuffers; |
| 721 | return 0; |
| 722 | } |
| 723 | |
| 724 | static void |
| 725 | coreaudio_fini_in (HWVoiceIn *hw) |
| 726 | { |
| 727 | |
| 728 | coreaudioVoice* core = CORE_IN(hw); |
| 729 | |
| 730 | coreaudio_voice_fini(core); |
| 731 | } |
| 732 | |
| 733 | static int |
| 734 | coreaudio_ctl_in (HWVoiceIn *hw, int cmd, ...) |
| 735 | { |
| 736 | coreaudioVoice* core = CORE_IN(hw); |
| 737 | |
| 738 | return coreaudio_voice_ctl(core, cmd); |
| 739 | } |
| 740 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 741 | static void *coreaudio_audio_init (void) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 742 | { |
| 743 | atexit(coreaudio_atexit); |
| 744 | return &coreaudio_audio_init; |
| 745 | } |
| 746 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 747 | static void coreaudio_audio_fini (void *opaque) |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 748 | { |
| 749 | (void) opaque; |
| 750 | } |
| 751 | |
| 752 | static struct audio_option coreaudio_options[] = { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 753 | { |
| 754 | .name = "OUT_BUFFER_SIZE", |
| 755 | .tag = AUD_OPT_INT, |
| 756 | .valp = &conf.out_buffer_frames, |
| 757 | .descr = "Size of the output buffer in frames" |
| 758 | }, |
| 759 | { |
| 760 | .name = "OUT_BUFFER_COUNT", |
| 761 | .tag = AUD_OPT_INT, |
| 762 | .valp = &conf.out_nbuffers, |
| 763 | .descr = "Number of output buffers" |
| 764 | }, |
| 765 | { |
| 766 | .name = "IN_BUFFER_SIZE", |
| 767 | .tag = AUD_OPT_INT, |
| 768 | .valp = &conf.in_buffer_frames, |
| 769 | .descr = "Size of the input buffer in frames" |
| 770 | }, |
| 771 | { |
| 772 | .name = "IN_BUFFER_COUNT", |
| 773 | .tag = AUD_OPT_INT, |
| 774 | .valp = &conf.in_nbuffers, |
| 775 | .descr = "Number of input buffers" |
| 776 | }, |
| 777 | { /* End of list */ } |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 778 | }; |
| 779 | |
| 780 | static struct audio_pcm_ops coreaudio_pcm_ops = { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 781 | .init_out = coreaudio_init_out, |
| 782 | .fini_out = coreaudio_fini_out, |
| 783 | .run_out = coreaudio_run_out, |
| 784 | .write = coreaudio_write, |
David 'Digit' Turner | 832a4c2 | 2011-01-03 11:24:02 +0100 | [diff] [blame] | 785 | .ctl_out = coreaudio_ctl_out, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 786 | |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 787 | .init_in = coreaudio_init_in, |
| 788 | .fini_in = coreaudio_fini_in, |
| 789 | .run_in = coreaudio_run_in, |
| 790 | .read = coreaudio_read, |
| 791 | .ctl_in = coreaudio_ctl_in |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 792 | }; |
| 793 | |
| 794 | struct audio_driver coreaudio_audio_driver = { |
David 'Digit' Turner | 5d0e37b | 2011-01-02 12:58:51 +0100 | [diff] [blame] | 795 | .name = "coreaudio", |
| 796 | .descr = "CoreAudio http://developer.apple.com/audio/coreaudio.html", |
| 797 | .options = coreaudio_options, |
| 798 | .init = coreaudio_audio_init, |
| 799 | .fini = coreaudio_audio_fini, |
| 800 | .pcm_ops = &coreaudio_pcm_ops, |
| 801 | .can_be_default = 1, |
| 802 | .max_voices_out = 1, |
| 803 | .max_voices_in = 1, |
| 804 | .voice_size_out = sizeof (coreaudioVoiceOut), |
| 805 | .voice_size_in = sizeof (coreaudioVoiceIn), |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 806 | }; |