1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "AAudio" 18 //#define LOG_NDEBUG 0 19 #include <utils/Log.h> 20 21 #include <time.h> 22 #include <pthread.h> 23 24 #include <aaudio/AAudio.h> 25 #include <aaudio/AAudioTesting.h> 26 27 #include "AudioStreamBuilder.h" 28 #include "AudioStream.h" 29 #include "AudioClock.h" 30 #include "client/AudioStreamInternal.h" 31 #include "HandleTracker.h" 32 33 using namespace aaudio; 34 35 36 // Macros for common code that includes a return. 37 // TODO Consider using do{}while(0) construct. I tried but it hung AndroidStudio 38 #define CONVERT_BUILDER_HANDLE_OR_RETURN() \ 39 convertAAudioBuilderToStreamBuilder(builder); 40 41 #define COMMON_GET_FROM_BUILDER_OR_RETURN(resultPtr) \ 42 CONVERT_BUILDER_HANDLE_OR_RETURN() \ 43 if ((resultPtr) == nullptr) { \ 44 return AAUDIO_ERROR_NULL; \ 45 } 46 47 #define AAUDIO_CASE_ENUM(name) case name: return #name 48 49 AAUDIO_API const char * AAudio_convertResultToText(aaudio_result_t returnCode) { 50 switch (returnCode) { 51 AAUDIO_CASE_ENUM(AAUDIO_OK); 52 AAUDIO_CASE_ENUM(AAUDIO_ERROR_DISCONNECTED); 53 AAUDIO_CASE_ENUM(AAUDIO_ERROR_ILLEGAL_ARGUMENT); 54 // reserved 55 AAUDIO_CASE_ENUM(AAUDIO_ERROR_INTERNAL); 56 AAUDIO_CASE_ENUM(AAUDIO_ERROR_INVALID_STATE); 57 // reserved 58 // reserved 59 AAUDIO_CASE_ENUM(AAUDIO_ERROR_INVALID_HANDLE); 60 // reserved 61 AAUDIO_CASE_ENUM(AAUDIO_ERROR_UNIMPLEMENTED); 62 AAUDIO_CASE_ENUM(AAUDIO_ERROR_UNAVAILABLE); 63 AAUDIO_CASE_ENUM(AAUDIO_ERROR_NO_FREE_HANDLES); 64 AAUDIO_CASE_ENUM(AAUDIO_ERROR_NO_MEMORY); 65 AAUDIO_CASE_ENUM(AAUDIO_ERROR_NULL); 66 AAUDIO_CASE_ENUM(AAUDIO_ERROR_TIMEOUT); 67 AAUDIO_CASE_ENUM(AAUDIO_ERROR_WOULD_BLOCK); 68 AAUDIO_CASE_ENUM(AAUDIO_ERROR_INVALID_FORMAT); 69 AAUDIO_CASE_ENUM(AAUDIO_ERROR_OUT_OF_RANGE); 70 AAUDIO_CASE_ENUM(AAUDIO_ERROR_NO_SERVICE); 71 AAUDIO_CASE_ENUM(AAUDIO_ERROR_INVALID_RATE); 72 } 73 return "Unrecognized AAudio error."; 74 } 75 76 AAUDIO_API const char * AAudio_convertStreamStateToText(aaudio_stream_state_t state) { 77 switch (state) { 78 AAUDIO_CASE_ENUM(AAUDIO_STREAM_STATE_UNINITIALIZED); 79 AAUDIO_CASE_ENUM(AAUDIO_STREAM_STATE_UNKNOWN); 80 AAUDIO_CASE_ENUM(AAUDIO_STREAM_STATE_OPEN); 81 AAUDIO_CASE_ENUM(AAUDIO_STREAM_STATE_STARTING); 82 AAUDIO_CASE_ENUM(AAUDIO_STREAM_STATE_STARTED); 83 AAUDIO_CASE_ENUM(AAUDIO_STREAM_STATE_PAUSING); 84 AAUDIO_CASE_ENUM(AAUDIO_STREAM_STATE_PAUSED); 85 AAUDIO_CASE_ENUM(AAUDIO_STREAM_STATE_FLUSHING); 86 AAUDIO_CASE_ENUM(AAUDIO_STREAM_STATE_FLUSHED); 87 AAUDIO_CASE_ENUM(AAUDIO_STREAM_STATE_STOPPING); 88 AAUDIO_CASE_ENUM(AAUDIO_STREAM_STATE_STOPPED); 89 AAUDIO_CASE_ENUM(AAUDIO_STREAM_STATE_DISCONNECTED); 90 AAUDIO_CASE_ENUM(AAUDIO_STREAM_STATE_CLOSING); 91 AAUDIO_CASE_ENUM(AAUDIO_STREAM_STATE_CLOSED); 92 } 93 return "Unrecognized AAudio state."; 94 } 95 96 #undef AAUDIO_CASE_ENUM 97 98 99 /****************************************** 100 * Static globals. 101 */ 102 static aaudio_policy_t s_MMapPolicy = AAUDIO_UNSPECIFIED; 103 104 105 static AudioStream *convertAAudioStreamToAudioStream(AAudioStream* stream) 106 { 107 return (AudioStream*) stream; 108 } 109 110 static AudioStreamBuilder *convertAAudioBuilderToStreamBuilder(AAudioStreamBuilder* builder) 111 { 112 return (AudioStreamBuilder*) builder; 113 } 114 115 AAUDIO_API aaudio_result_t AAudio_createStreamBuilder(AAudioStreamBuilder** builder) 116 { 117 AudioStreamBuilder *audioStreamBuilder = new(std::nothrow) AudioStreamBuilder(); 118 if (audioStreamBuilder == nullptr) { 119 return AAUDIO_ERROR_NO_MEMORY; 120 } 121 *builder = (AAudioStreamBuilder*) audioStreamBuilder; 122 return AAUDIO_OK; 123 } 124 125 AAUDIO_API void AAudioStreamBuilder_setPerformanceMode(AAudioStreamBuilder* builder, 126 aaudio_performance_mode_t mode) 127 { 128 AudioStreamBuilder *streamBuilder = convertAAudioBuilderToStreamBuilder(builder); 129 streamBuilder->setPerformanceMode(mode); 130 } 131 132 AAUDIO_API void AAudioStreamBuilder_setDeviceId(AAudioStreamBuilder* builder, 133 int32_t deviceId) 134 { 135 AudioStreamBuilder *streamBuilder = convertAAudioBuilderToStreamBuilder(builder); 136 streamBuilder->setDeviceId(deviceId); 137 } 138 139 AAUDIO_API void AAudioStreamBuilder_setSampleRate(AAudioStreamBuilder* builder, 140 int32_t sampleRate) 141 { 142 AudioStreamBuilder *streamBuilder = convertAAudioBuilderToStreamBuilder(builder); 143 streamBuilder->setSampleRate(sampleRate); 144 } 145 146 AAUDIO_API void AAudioStreamBuilder_setChannelCount(AAudioStreamBuilder* builder, 147 int32_t channelCount) 148 { 149 AudioStreamBuilder *streamBuilder = convertAAudioBuilderToStreamBuilder(builder); 150 streamBuilder->setSamplesPerFrame(channelCount); 151 } 152 153 AAUDIO_API void AAudioStreamBuilder_setSamplesPerFrame(AAudioStreamBuilder* builder, 154 int32_t samplesPerFrame) 155 { 156 AudioStreamBuilder *streamBuilder = convertAAudioBuilderToStreamBuilder(builder); 157 streamBuilder->setSamplesPerFrame(samplesPerFrame); 158 } 159 160 AAUDIO_API void AAudioStreamBuilder_setDirection(AAudioStreamBuilder* builder, 161 aaudio_direction_t direction) 162 { 163 AudioStreamBuilder *streamBuilder = convertAAudioBuilderToStreamBuilder(builder); 164 streamBuilder->setDirection(direction); 165 } 166 167 AAUDIO_API void AAudioStreamBuilder_setFormat(AAudioStreamBuilder* builder, 168 aaudio_format_t format) 169 { 170 AudioStreamBuilder *streamBuilder = convertAAudioBuilderToStreamBuilder(builder); 171 streamBuilder->setFormat(format); 172 } 173 174 AAUDIO_API void AAudioStreamBuilder_setSharingMode(AAudioStreamBuilder* builder, 175 aaudio_sharing_mode_t sharingMode) 176 { 177 AudioStreamBuilder *streamBuilder = convertAAudioBuilderToStreamBuilder(builder); 178 streamBuilder->setSharingMode(sharingMode); 179 } 180 181 AAUDIO_API void AAudioStreamBuilder_setBufferCapacityInFrames(AAudioStreamBuilder* builder, 182 int32_t frames) 183 { 184 AudioStreamBuilder *streamBuilder = convertAAudioBuilderToStreamBuilder(builder); 185 streamBuilder->setBufferCapacity(frames); 186 } 187 188 AAUDIO_API void AAudioStreamBuilder_setDataCallback(AAudioStreamBuilder* builder, 189 AAudioStream_dataCallback callback, 190 void *userData) 191 { 192 AudioStreamBuilder *streamBuilder = convertAAudioBuilderToStreamBuilder(builder); 193 streamBuilder->setDataCallbackProc(callback); 194 streamBuilder->setDataCallbackUserData(userData); 195 } 196 197 AAUDIO_API void AAudioStreamBuilder_setErrorCallback(AAudioStreamBuilder* builder, 198 AAudioStream_errorCallback callback, 199 void *userData) 200 { 201 AudioStreamBuilder *streamBuilder = convertAAudioBuilderToStreamBuilder(builder); 202 streamBuilder->setErrorCallbackProc(callback); 203 streamBuilder->setErrorCallbackUserData(userData); 204 } 205 206 AAUDIO_API void AAudioStreamBuilder_setFramesPerDataCallback(AAudioStreamBuilder* builder, 207 int32_t frames) 208 { 209 AudioStreamBuilder *streamBuilder = convertAAudioBuilderToStreamBuilder(builder); 210 streamBuilder->setFramesPerDataCallback(frames); 211 } 212 213 AAUDIO_API aaudio_result_t AAudioStreamBuilder_openStream(AAudioStreamBuilder* builder, 214 AAudioStream** streamPtr) 215 { 216 AudioStream *audioStream = nullptr; 217 // Please leave these logs because they are very helpful when debugging. 218 ALOGD("AAudioStreamBuilder_openStream() called ----------------------------------------"); 219 AudioStreamBuilder *streamBuilder = COMMON_GET_FROM_BUILDER_OR_RETURN(streamPtr); 220 aaudio_result_t result = streamBuilder->build(&audioStream); 221 ALOGD("AAudioStreamBuilder_openStream() returns %d = %s for (%p) ----------------", 222 result, AAudio_convertResultToText(result), audioStream); 223 if (result == AAUDIO_OK) { 224 *streamPtr = (AAudioStream*) audioStream; 225 } else { 226 *streamPtr = nullptr; 227 } 228 return result; 229 } 230 231 AAUDIO_API aaudio_result_t AAudioStreamBuilder_delete(AAudioStreamBuilder* builder) 232 { 233 AudioStreamBuilder *streamBuilder = convertAAudioBuilderToStreamBuilder(builder); 234 if (streamBuilder != nullptr) { 235 delete streamBuilder; 236 return AAUDIO_OK; 237 } 238 return AAUDIO_ERROR_NULL; 239 } 240 241 AAUDIO_API aaudio_result_t AAudioStream_close(AAudioStream* stream) 242 { 243 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 244 ALOGD("AAudioStream_close(%p)", stream); 245 if (audioStream != nullptr) { 246 audioStream->close(); 247 delete audioStream; 248 return AAUDIO_OK; 249 } 250 return AAUDIO_ERROR_NULL; 251 } 252 253 AAUDIO_API aaudio_result_t AAudioStream_requestStart(AAudioStream* stream) 254 { 255 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 256 ALOGD("AAudioStream_requestStart(%p)", stream); 257 return audioStream->requestStart(); 258 } 259 260 AAUDIO_API aaudio_result_t AAudioStream_requestPause(AAudioStream* stream) 261 { 262 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 263 ALOGD("AAudioStream_requestPause(%p)", stream); 264 return audioStream->requestPause(); 265 } 266 267 AAUDIO_API aaudio_result_t AAudioStream_requestFlush(AAudioStream* stream) 268 { 269 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 270 ALOGD("AAudioStream_requestFlush(%p)", stream); 271 return audioStream->requestFlush(); 272 } 273 274 AAUDIO_API aaudio_result_t AAudioStream_requestStop(AAudioStream* stream) 275 { 276 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 277 ALOGD("AAudioStream_requestStop(%p)", stream); 278 return audioStream->requestStop(); 279 } 280 281 AAUDIO_API aaudio_result_t AAudioStream_waitForStateChange(AAudioStream* stream, 282 aaudio_stream_state_t inputState, 283 aaudio_stream_state_t *nextState, 284 int64_t timeoutNanoseconds) 285 { 286 287 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 288 return audioStream->waitForStateChange(inputState, nextState, timeoutNanoseconds); 289 } 290 291 // ============================================================ 292 // Stream - non-blocking I/O 293 // ============================================================ 294 295 AAUDIO_API aaudio_result_t AAudioStream_read(AAudioStream* stream, 296 void *buffer, 297 int32_t numFrames, 298 int64_t timeoutNanoseconds) 299 { 300 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 301 if (buffer == nullptr) { 302 return AAUDIO_ERROR_NULL; 303 } 304 if (numFrames < 0) { 305 return AAUDIO_ERROR_ILLEGAL_ARGUMENT; 306 } else if (numFrames == 0) { 307 return 0; 308 } 309 310 aaudio_result_t result = audioStream->read(buffer, numFrames, timeoutNanoseconds); 311 312 return result; 313 } 314 315 AAUDIO_API aaudio_result_t AAudioStream_write(AAudioStream* stream, 316 const void *buffer, 317 int32_t numFrames, 318 int64_t timeoutNanoseconds) 319 { 320 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 321 if (buffer == nullptr) { 322 return AAUDIO_ERROR_NULL; 323 } 324 325 // Don't allow writes when playing with a callback. 326 if (audioStream->getDataCallbackProc() != nullptr && audioStream->isActive()) { 327 ALOGE("Cannot write to a callback stream when running."); 328 return AAUDIO_ERROR_INVALID_STATE; 329 } 330 331 if (numFrames < 0) { 332 return AAUDIO_ERROR_ILLEGAL_ARGUMENT; 333 } else if (numFrames == 0) { 334 return 0; 335 } 336 337 aaudio_result_t result = audioStream->write(buffer, numFrames, timeoutNanoseconds); 338 339 return result; 340 } 341 342 // ============================================================ 343 // Stream - queries 344 // ============================================================ 345 346 AAUDIO_API int32_t AAudioStream_getSampleRate(AAudioStream* stream) 347 { 348 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 349 return audioStream->getSampleRate(); 350 } 351 352 AAUDIO_API int32_t AAudioStream_getChannelCount(AAudioStream* stream) 353 { 354 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 355 return audioStream->getSamplesPerFrame(); 356 } 357 358 AAUDIO_API int32_t AAudioStream_getSamplesPerFrame(AAudioStream* stream) 359 { 360 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 361 return audioStream->getSamplesPerFrame(); 362 } 363 364 AAUDIO_API aaudio_stream_state_t AAudioStream_getState(AAudioStream* stream) 365 { 366 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 367 return audioStream->getState(); 368 } 369 370 AAUDIO_API aaudio_format_t AAudioStream_getFormat(AAudioStream* stream) 371 { 372 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 373 return audioStream->getFormat(); 374 } 375 376 AAUDIO_API aaudio_result_t AAudioStream_setBufferSizeInFrames(AAudioStream* stream, 377 int32_t requestedFrames) 378 { 379 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 380 return audioStream->setBufferSize(requestedFrames); 381 } 382 383 AAUDIO_API int32_t AAudioStream_getBufferSizeInFrames(AAudioStream* stream) 384 { 385 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 386 return audioStream->getBufferSize(); 387 } 388 389 AAUDIO_API aaudio_direction_t AAudioStream_getDirection(AAudioStream* stream) 390 { 391 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 392 return audioStream->getDirection(); 393 } 394 395 AAUDIO_API int32_t AAudioStream_getFramesPerBurst(AAudioStream* stream) 396 { 397 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 398 return audioStream->getFramesPerBurst(); 399 } 400 401 AAUDIO_API int32_t AAudioStream_getFramesPerDataCallback(AAudioStream* stream) 402 { 403 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 404 return audioStream->getFramesPerDataCallback(); 405 } 406 407 AAUDIO_API int32_t AAudioStream_getBufferCapacityInFrames(AAudioStream* stream) 408 { 409 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 410 return audioStream->getBufferCapacity(); 411 } 412 413 AAUDIO_API int32_t AAudioStream_getXRunCount(AAudioStream* stream) 414 { 415 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 416 return audioStream->getXRunCount(); 417 } 418 419 AAUDIO_API aaudio_performance_mode_t AAudioStream_getPerformanceMode(AAudioStream* stream) 420 { 421 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 422 return audioStream->getPerformanceMode(); 423 } 424 425 AAUDIO_API int32_t AAudioStream_getDeviceId(AAudioStream* stream) 426 { 427 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 428 return audioStream->getDeviceId(); 429 } 430 431 AAUDIO_API aaudio_sharing_mode_t AAudioStream_getSharingMode(AAudioStream* stream) 432 { 433 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 434 return audioStream->getSharingMode(); 435 } 436 437 AAUDIO_API int64_t AAudioStream_getFramesWritten(AAudioStream* stream) 438 { 439 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 440 return audioStream->getFramesWritten(); 441 } 442 443 AAUDIO_API int64_t AAudioStream_getFramesRead(AAudioStream* stream) 444 { 445 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 446 return audioStream->getFramesRead(); 447 } 448 449 AAUDIO_API aaudio_result_t AAudioStream_getTimestamp(AAudioStream* stream, 450 clockid_t clockid, 451 int64_t *framePosition, 452 int64_t *timeNanoseconds) 453 { 454 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 455 if (framePosition == nullptr) { 456 return AAUDIO_ERROR_NULL; 457 } else if (timeNanoseconds == nullptr) { 458 return AAUDIO_ERROR_NULL; 459 } else if (clockid != CLOCK_MONOTONIC && clockid != CLOCK_BOOTTIME) { 460 return AAUDIO_ERROR_ILLEGAL_ARGUMENT; 461 } 462 463 return audioStream->getTimestamp(clockid, framePosition, timeNanoseconds); 464 } 465 466 AAUDIO_API aaudio_policy_t AAudio_getMMapPolicy() { 467 return s_MMapPolicy; 468 } 469 470 AAUDIO_API aaudio_result_t AAudio_setMMapPolicy(aaudio_policy_t policy) { 471 aaudio_result_t result = AAUDIO_OK; 472 switch(policy) { 473 case AAUDIO_UNSPECIFIED: 474 case AAUDIO_POLICY_NEVER: 475 case AAUDIO_POLICY_AUTO: 476 case AAUDIO_POLICY_ALWAYS: 477 s_MMapPolicy = policy; 478 break; 479 default: 480 result = AAUDIO_ERROR_ILLEGAL_ARGUMENT; 481 break; 482 } 483 return result; 484 } 485 486 AAUDIO_API bool AAudioStream_isMMapUsed(AAudioStream* stream) 487 { 488 AudioStream *audioStream = convertAAudioStreamToAudioStream(stream); 489 return audioStream->isMMap(); 490 } 491
