The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 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 | //#define LOG_NDEBUG 0 |
| 17 | |
| 18 | #define LOG_TAG "AudioTrack-JNI" |
| 19 | |
| 20 | #include <stdio.h> |
| 21 | #include <unistd.h> |
| 22 | #include <fcntl.h> |
| 23 | #include <math.h> |
| 24 | |
| 25 | #include "jni.h" |
| 26 | #include "JNIHelp.h" |
| 27 | #include "android_runtime/AndroidRuntime.h" |
| 28 | |
| 29 | #include "utils/Log.h" |
| 30 | #include "media/AudioSystem.h" |
| 31 | #include "media/AudioTrack.h" |
| 32 | |
Mathias Agopian | 0795272 | 2009-05-19 19:08:10 -0700 | [diff] [blame] | 33 | #include <binder/MemoryHeapBase.h> |
| 34 | #include <binder/MemoryBase.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 35 | |
| 36 | |
| 37 | // ---------------------------------------------------------------------------- |
| 38 | |
| 39 | using namespace android; |
| 40 | |
| 41 | // ---------------------------------------------------------------------------- |
| 42 | static const char* const kClassPathName = "android/media/AudioTrack"; |
| 43 | |
| 44 | struct fields_t { |
| 45 | // these fields provide access from C++ to the... |
| 46 | jclass audioTrackClass; //... AudioTrack class |
| 47 | jmethodID postNativeEventInJava; //... event post callback method |
| 48 | int PCM16; //... format constants |
| 49 | int PCM8; //... format constants |
| 50 | int STREAM_VOICE_CALL; //... stream type constants |
| 51 | int STREAM_SYSTEM; //... stream type constants |
| 52 | int STREAM_RING; //... stream type constants |
| 53 | int STREAM_MUSIC; //... stream type constants |
| 54 | int STREAM_ALARM; //... stream type constants |
| 55 | int STREAM_NOTIFICATION; //... stream type constants |
Eric Laurent | 83b3685 | 2009-07-28 07:49:22 -0700 | [diff] [blame] | 56 | int STREAM_BLUETOOTH_SCO; //... stream type constants |
| 57 | int STREAM_DTMF; //... stream type constants |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 58 | int MODE_STREAM; //... memory mode |
| 59 | int MODE_STATIC; //... memory mode |
Eric Laurent | 83b3685 | 2009-07-28 07:49:22 -0700 | [diff] [blame] | 60 | jfieldID nativeTrackInJavaObj; // stores in Java the native AudioTrack object |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 61 | jfieldID jniData; // stores in Java additional resources used by the native AudioTrack |
| 62 | }; |
| 63 | static fields_t javaAudioTrackFields; |
| 64 | |
| 65 | struct audiotrack_callback_cookie { |
| 66 | jclass audioTrack_class; |
| 67 | jobject audioTrack_ref; |
| 68 | }; |
| 69 | |
| 70 | // ---------------------------------------------------------------------------- |
| 71 | class AudioTrackJniStorage { |
| 72 | public: |
| 73 | sp<MemoryHeapBase> mMemHeap; |
| 74 | sp<MemoryBase> mMemBase; |
| 75 | audiotrack_callback_cookie mCallbackData; |
| 76 | int mStreamType; |
| 77 | |
| 78 | AudioTrackJniStorage() { |
Jean-Michel Trivi | 8a14968 | 2009-07-15 18:31:11 -0700 | [diff] [blame] | 79 | mCallbackData.audioTrack_class = 0; |
| 80 | mCallbackData.audioTrack_ref = 0; |
| 81 | mStreamType = AudioSystem::DEFAULT; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 82 | } |
| 83 | |
| 84 | ~AudioTrackJniStorage() { |
| 85 | mMemBase.clear(); |
| 86 | mMemHeap.clear(); |
| 87 | } |
| 88 | |
| 89 | bool allocSharedMem(int sizeInBytes) { |
| 90 | mMemHeap = new MemoryHeapBase(sizeInBytes, 0, "AudioTrack Heap Base"); |
| 91 | if (mMemHeap->getHeapID() < 0) { |
| 92 | return false; |
| 93 | } |
| 94 | mMemBase = new MemoryBase(mMemHeap, 0, sizeInBytes); |
| 95 | return true; |
| 96 | } |
| 97 | }; |
| 98 | |
| 99 | // ---------------------------------------------------------------------------- |
| 100 | #define DEFAULT_OUTPUT_SAMPLE_RATE 44100 |
| 101 | |
| 102 | #define AUDIOTRACK_SUCCESS 0 |
| 103 | #define AUDIOTRACK_ERROR -1 |
| 104 | #define AUDIOTRACK_ERROR_BAD_VALUE -2 |
| 105 | #define AUDIOTRACK_ERROR_INVALID_OPERATION -3 |
| 106 | #define AUDIOTRACK_ERROR_SETUP_AUDIOSYSTEM -16 |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 107 | #define AUDIOTRACK_ERROR_SETUP_INVALIDCHANNELMASK -17 |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 108 | #define AUDIOTRACK_ERROR_SETUP_INVALIDFORMAT -18 |
| 109 | #define AUDIOTRACK_ERROR_SETUP_INVALIDSTREAMTYPE -19 |
| 110 | #define AUDIOTRACK_ERROR_SETUP_NATIVEINITFAILED -20 |
| 111 | |
| 112 | |
| 113 | jint android_media_translateErrorCode(int code) { |
| 114 | switch(code) { |
| 115 | case NO_ERROR: |
| 116 | return AUDIOTRACK_SUCCESS; |
| 117 | case BAD_VALUE: |
| 118 | return AUDIOTRACK_ERROR_BAD_VALUE; |
| 119 | case INVALID_OPERATION: |
| 120 | return AUDIOTRACK_ERROR_INVALID_OPERATION; |
| 121 | default: |
| 122 | return AUDIOTRACK_ERROR; |
| 123 | } |
| 124 | } |
| 125 | |
| 126 | |
| 127 | // ---------------------------------------------------------------------------- |
| 128 | static void audioCallback(int event, void* user, void *info) { |
| 129 | if (event == AudioTrack::EVENT_MORE_DATA) { |
| 130 | // set size to 0 to signal we're not using the callback to write more data |
| 131 | AudioTrack::Buffer* pBuff = (AudioTrack::Buffer*)info; |
| 132 | pBuff->size = 0; |
| 133 | |
| 134 | } else if (event == AudioTrack::EVENT_MARKER) { |
| 135 | audiotrack_callback_cookie *callbackInfo = (audiotrack_callback_cookie *)user; |
| 136 | JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| 137 | if (user && env) { |
| 138 | env->CallStaticVoidMethod( |
| 139 | callbackInfo->audioTrack_class, |
| 140 | javaAudioTrackFields.postNativeEventInJava, |
| 141 | callbackInfo->audioTrack_ref, event, 0,0, NULL); |
| 142 | if (env->ExceptionCheck()) { |
| 143 | env->ExceptionDescribe(); |
| 144 | env->ExceptionClear(); |
| 145 | } |
| 146 | } |
| 147 | |
| 148 | } else if (event == AudioTrack::EVENT_NEW_POS) { |
| 149 | audiotrack_callback_cookie *callbackInfo = (audiotrack_callback_cookie *)user; |
| 150 | JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| 151 | if (user && env) { |
| 152 | env->CallStaticVoidMethod( |
| 153 | callbackInfo->audioTrack_class, |
| 154 | javaAudioTrackFields.postNativeEventInJava, |
| 155 | callbackInfo->audioTrack_ref, event, 0,0, NULL); |
| 156 | if (env->ExceptionCheck()) { |
| 157 | env->ExceptionDescribe(); |
| 158 | env->ExceptionClear(); |
| 159 | } |
| 160 | } |
| 161 | } |
| 162 | } |
| 163 | |
| 164 | |
| 165 | // ---------------------------------------------------------------------------- |
| 166 | static int |
| 167 | android_media_AudioTrack_native_setup(JNIEnv *env, jobject thiz, jobject weak_this, |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 168 | jint streamType, jint sampleRateInHertz, jint channels, |
Eric Laurent | 619346f | 2010-06-21 09:27:30 -0700 | [diff] [blame] | 169 | jint audioFormat, jint buffSizeInBytes, jint memoryMode, jintArray jSession) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 170 | { |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 171 | LOGV("sampleRate=%d, audioFormat(from Java)=%d, channels=%x, buffSize=%d", |
| 172 | sampleRateInHertz, audioFormat, channels, buffSizeInBytes); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 173 | int afSampleRate; |
| 174 | int afFrameCount; |
| 175 | |
| 176 | if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { |
| 177 | LOGE("Error creating AudioTrack: Could not get AudioSystem frame count."); |
| 178 | return AUDIOTRACK_ERROR_SETUP_AUDIOSYSTEM; |
| 179 | } |
| 180 | if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { |
| 181 | LOGE("Error creating AudioTrack: Could not get AudioSystem sampling rate."); |
| 182 | return AUDIOTRACK_ERROR_SETUP_AUDIOSYSTEM; |
| 183 | } |
| 184 | |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 185 | if (!AudioSystem::isOutputChannel(channels)) { |
| 186 | LOGE("Error creating AudioTrack: invalid channel mask."); |
| 187 | return AUDIOTRACK_ERROR_SETUP_INVALIDCHANNELMASK; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 188 | } |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 189 | int nbChannels = AudioSystem::popCount(channels); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 190 | |
| 191 | // check the stream type |
| 192 | AudioSystem::stream_type atStreamType; |
| 193 | if (streamType == javaAudioTrackFields.STREAM_VOICE_CALL) { |
| 194 | atStreamType = AudioSystem::VOICE_CALL; |
| 195 | } else if (streamType == javaAudioTrackFields.STREAM_SYSTEM) { |
| 196 | atStreamType = AudioSystem::SYSTEM; |
| 197 | } else if (streamType == javaAudioTrackFields.STREAM_RING) { |
| 198 | atStreamType = AudioSystem::RING; |
| 199 | } else if (streamType == javaAudioTrackFields.STREAM_MUSIC) { |
| 200 | atStreamType = AudioSystem::MUSIC; |
| 201 | } else if (streamType == javaAudioTrackFields.STREAM_ALARM) { |
| 202 | atStreamType = AudioSystem::ALARM; |
| 203 | } else if (streamType == javaAudioTrackFields.STREAM_NOTIFICATION) { |
| 204 | atStreamType = AudioSystem::NOTIFICATION; |
| 205 | } else if (streamType == javaAudioTrackFields.STREAM_BLUETOOTH_SCO) { |
| 206 | atStreamType = AudioSystem::BLUETOOTH_SCO; |
Eric Laurent | 83b3685 | 2009-07-28 07:49:22 -0700 | [diff] [blame] | 207 | } else if (streamType == javaAudioTrackFields.STREAM_DTMF) { |
| 208 | atStreamType = AudioSystem::DTMF; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 209 | } else { |
| 210 | LOGE("Error creating AudioTrack: unknown stream type."); |
| 211 | return AUDIOTRACK_ERROR_SETUP_INVALIDSTREAMTYPE; |
| 212 | } |
| 213 | |
| 214 | // check the format. |
| 215 | // This function was called from Java, so we compare the format against the Java constants |
| 216 | if ((audioFormat != javaAudioTrackFields.PCM16) && (audioFormat != javaAudioTrackFields.PCM8)) { |
| 217 | LOGE("Error creating AudioTrack: unsupported audio format."); |
| 218 | return AUDIOTRACK_ERROR_SETUP_INVALIDFORMAT; |
| 219 | } |
| 220 | |
| 221 | // for the moment 8bitPCM in MODE_STATIC is not supported natively in the AudioTrack C++ class |
| 222 | // so we declare everything as 16bitPCM, the 8->16bit conversion for MODE_STATIC will be handled |
| 223 | // in android_media_AudioTrack_native_write() |
| 224 | if ((audioFormat == javaAudioTrackFields.PCM8) |
| 225 | && (memoryMode == javaAudioTrackFields.MODE_STATIC)) { |
| 226 | LOGV("android_media_AudioTrack_native_setup(): requesting MODE_STATIC for 8bit \ |
| 227 | buff size of %dbytes, switching to 16bit, buff size of %dbytes", |
| 228 | buffSizeInBytes, 2*buffSizeInBytes); |
| 229 | audioFormat = javaAudioTrackFields.PCM16; |
| 230 | // we will need twice the memory to store the data |
| 231 | buffSizeInBytes *= 2; |
| 232 | } |
| 233 | |
| 234 | // compute the frame count |
| 235 | int bytesPerSample = audioFormat == javaAudioTrackFields.PCM16 ? 2 : 1; |
| 236 | int format = audioFormat == javaAudioTrackFields.PCM16 ? |
| 237 | AudioSystem::PCM_16_BIT : AudioSystem::PCM_8_BIT; |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 238 | int frameCount = buffSizeInBytes / (nbChannels * bytesPerSample); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 239 | |
| 240 | AudioTrackJniStorage* lpJniStorage = new AudioTrackJniStorage(); |
| 241 | |
| 242 | // initialize the callback information: |
| 243 | // this data will be passed with every AudioTrack callback |
| 244 | jclass clazz = env->GetObjectClass(thiz); |
| 245 | if (clazz == NULL) { |
| 246 | LOGE("Can't find %s when setting up callback.", kClassPathName); |
| 247 | delete lpJniStorage; |
| 248 | return AUDIOTRACK_ERROR_SETUP_NATIVEINITFAILED; |
| 249 | } |
| 250 | lpJniStorage->mCallbackData.audioTrack_class = (jclass)env->NewGlobalRef(clazz); |
| 251 | // we use a weak reference so the AudioTrack object can be garbage collected. |
| 252 | lpJniStorage->mCallbackData.audioTrack_ref = env->NewGlobalRef(weak_this); |
| 253 | |
| 254 | lpJniStorage->mStreamType = atStreamType; |
Eric Laurent | 2fb43ef | 2010-09-24 12:03:36 -0700 | [diff] [blame] | 255 | |
| 256 | if (jSession == NULL) { |
Eric Laurent | 619346f | 2010-06-21 09:27:30 -0700 | [diff] [blame] | 257 | LOGE("Error creating AudioTrack: invalid session ID pointer"); |
| 258 | delete lpJniStorage; |
| 259 | return AUDIOTRACK_ERROR; |
| 260 | } |
| 261 | |
Eric Laurent | 2fb43ef | 2010-09-24 12:03:36 -0700 | [diff] [blame] | 262 | jint* nSession = (jint *) env->GetPrimitiveArrayCritical(jSession, NULL); |
| 263 | if (nSession == NULL) { |
| 264 | LOGE("Error creating AudioTrack: Error retrieving session id pointer"); |
| 265 | delete lpJniStorage; |
| 266 | return AUDIOTRACK_ERROR; |
| 267 | } |
| 268 | int sessionId = nSession[0]; |
| 269 | env->ReleasePrimitiveArrayCritical(jSession, nSession, 0); |
| 270 | nSession = NULL; |
| 271 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 272 | // create the native AudioTrack object |
| 273 | AudioTrack* lpTrack = new AudioTrack(); |
| 274 | if (lpTrack == NULL) { |
| 275 | LOGE("Error creating uninitialized AudioTrack"); |
| 276 | goto native_track_failure; |
| 277 | } |
| 278 | |
| 279 | // initialize the native AudioTrack object |
| 280 | if (memoryMode == javaAudioTrackFields.MODE_STREAM) { |
| 281 | |
| 282 | lpTrack->set( |
| 283 | atStreamType,// stream type |
| 284 | sampleRateInHertz, |
| 285 | format,// word length, PCM |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 286 | channels, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 287 | frameCount, |
| 288 | 0,// flags |
| 289 | audioCallback, &(lpJniStorage->mCallbackData),//callback, callback data (user) |
| 290 | 0,// notificationFrames == 0 since not using EVENT_MORE_DATA to feed the AudioTrack |
| 291 | 0,// shared mem |
Eric Laurent | 619346f | 2010-06-21 09:27:30 -0700 | [diff] [blame] | 292 | true,// thread can call Java |
Eric Laurent | 2fb43ef | 2010-09-24 12:03:36 -0700 | [diff] [blame] | 293 | sessionId);// audio session ID |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 294 | |
| 295 | } else if (memoryMode == javaAudioTrackFields.MODE_STATIC) { |
| 296 | // AudioTrack is using shared memory |
| 297 | |
| 298 | if (!lpJniStorage->allocSharedMem(buffSizeInBytes)) { |
| 299 | LOGE("Error creating AudioTrack in static mode: error creating mem heap base"); |
| 300 | goto native_init_failure; |
| 301 | } |
| 302 | |
| 303 | lpTrack->set( |
| 304 | atStreamType,// stream type |
| 305 | sampleRateInHertz, |
| 306 | format,// word length, PCM |
Eric Laurent | a553c25 | 2009-07-17 12:17:14 -0700 | [diff] [blame] | 307 | channels, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 308 | frameCount, |
| 309 | 0,// flags |
| 310 | audioCallback, &(lpJniStorage->mCallbackData),//callback, callback data (user)); |
| 311 | 0,// notificationFrames == 0 since not using EVENT_MORE_DATA to feed the AudioTrack |
| 312 | lpJniStorage->mMemBase,// shared mem |
Eric Laurent | 619346f | 2010-06-21 09:27:30 -0700 | [diff] [blame] | 313 | true,// thread can call Java |
Eric Laurent | 2fb43ef | 2010-09-24 12:03:36 -0700 | [diff] [blame] | 314 | sessionId);// audio session ID |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 315 | } |
| 316 | |
| 317 | if (lpTrack->initCheck() != NO_ERROR) { |
| 318 | LOGE("Error initializing AudioTrack"); |
| 319 | goto native_init_failure; |
| 320 | } |
| 321 | |
Eric Laurent | 2fb43ef | 2010-09-24 12:03:36 -0700 | [diff] [blame] | 322 | nSession = (jint *) env->GetPrimitiveArrayCritical(jSession, NULL); |
| 323 | if (nSession == NULL) { |
| 324 | LOGE("Error creating AudioTrack: Error retrieving session id pointer"); |
| 325 | goto native_init_failure; |
| 326 | } |
Eric Laurent | 619346f | 2010-06-21 09:27:30 -0700 | [diff] [blame] | 327 | // read the audio session ID back from AudioTrack in case we create a new session |
| 328 | nSession[0] = lpTrack->getSessionId(); |
Eric Laurent | 619346f | 2010-06-21 09:27:30 -0700 | [diff] [blame] | 329 | env->ReleasePrimitiveArrayCritical(jSession, nSession, 0); |
| 330 | nSession = NULL; |
| 331 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 332 | // save our newly created C++ AudioTrack in the "nativeTrackInJavaObj" field |
| 333 | // of the Java object (in mNativeTrackInJavaObj) |
| 334 | env->SetIntField(thiz, javaAudioTrackFields.nativeTrackInJavaObj, (int)lpTrack); |
| 335 | |
| 336 | // save the JNI resources so we can free them later |
| 337 | //LOGV("storing lpJniStorage: %x\n", (int)lpJniStorage); |
| 338 | env->SetIntField(thiz, javaAudioTrackFields.jniData, (int)lpJniStorage); |
| 339 | |
| 340 | return AUDIOTRACK_SUCCESS; |
| 341 | |
| 342 | // failures: |
| 343 | native_init_failure: |
| 344 | delete lpTrack; |
| 345 | env->SetIntField(thiz, javaAudioTrackFields.nativeTrackInJavaObj, 0); |
| 346 | |
| 347 | native_track_failure: |
Eric Laurent | 619346f | 2010-06-21 09:27:30 -0700 | [diff] [blame] | 348 | if (nSession != NULL) { |
| 349 | env->ReleasePrimitiveArrayCritical(jSession, nSession, 0); |
| 350 | } |
Jean-Michel Trivi | 8a14968 | 2009-07-15 18:31:11 -0700 | [diff] [blame] | 351 | env->DeleteGlobalRef(lpJniStorage->mCallbackData.audioTrack_class); |
| 352 | env->DeleteGlobalRef(lpJniStorage->mCallbackData.audioTrack_ref); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 353 | delete lpJniStorage; |
| 354 | env->SetIntField(thiz, javaAudioTrackFields.jniData, 0); |
| 355 | return AUDIOTRACK_ERROR_SETUP_NATIVEINITFAILED; |
| 356 | |
| 357 | } |
| 358 | |
| 359 | |
| 360 | // ---------------------------------------------------------------------------- |
| 361 | static void |
| 362 | android_media_AudioTrack_start(JNIEnv *env, jobject thiz) |
| 363 | { |
| 364 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 365 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 366 | if (lpTrack == NULL ) { |
| 367 | jniThrowException(env, "java/lang/IllegalStateException", |
| 368 | "Unable to retrieve AudioTrack pointer for start()"); |
Eric Laurent | 7070b36 | 2010-07-16 07:43:46 -0700 | [diff] [blame] | 369 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 370 | } |
Jean-Michel Trivi | 21dc037 | 2009-05-08 16:06:34 -0700 | [diff] [blame] | 371 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 372 | lpTrack->start(); |
| 373 | } |
| 374 | |
| 375 | |
| 376 | // ---------------------------------------------------------------------------- |
| 377 | static void |
| 378 | android_media_AudioTrack_stop(JNIEnv *env, jobject thiz) |
| 379 | { |
| 380 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 381 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 382 | if (lpTrack == NULL ) { |
| 383 | jniThrowException(env, "java/lang/IllegalStateException", |
| 384 | "Unable to retrieve AudioTrack pointer for stop()"); |
Eric Laurent | 7070b36 | 2010-07-16 07:43:46 -0700 | [diff] [blame] | 385 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 386 | } |
| 387 | |
| 388 | lpTrack->stop(); |
| 389 | } |
| 390 | |
| 391 | |
| 392 | // ---------------------------------------------------------------------------- |
| 393 | static void |
| 394 | android_media_AudioTrack_pause(JNIEnv *env, jobject thiz) |
| 395 | { |
| 396 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 397 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 398 | if (lpTrack == NULL ) { |
| 399 | jniThrowException(env, "java/lang/IllegalStateException", |
| 400 | "Unable to retrieve AudioTrack pointer for pause()"); |
Eric Laurent | 7070b36 | 2010-07-16 07:43:46 -0700 | [diff] [blame] | 401 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 402 | } |
| 403 | |
| 404 | lpTrack->pause(); |
| 405 | } |
| 406 | |
| 407 | |
| 408 | // ---------------------------------------------------------------------------- |
| 409 | static void |
| 410 | android_media_AudioTrack_flush(JNIEnv *env, jobject thiz) |
| 411 | { |
| 412 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 413 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 414 | if (lpTrack == NULL ) { |
| 415 | jniThrowException(env, "java/lang/IllegalStateException", |
| 416 | "Unable to retrieve AudioTrack pointer for flush()"); |
Eric Laurent | 7070b36 | 2010-07-16 07:43:46 -0700 | [diff] [blame] | 417 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 418 | } |
| 419 | |
| 420 | lpTrack->flush(); |
| 421 | } |
| 422 | |
| 423 | // ---------------------------------------------------------------------------- |
| 424 | static void |
| 425 | android_media_AudioTrack_set_volume(JNIEnv *env, jobject thiz, jfloat leftVol, jfloat rightVol ) |
| 426 | { |
| 427 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 428 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 429 | if (lpTrack == NULL ) { |
| 430 | jniThrowException(env, "java/lang/IllegalStateException", |
| 431 | "Unable to retrieve AudioTrack pointer for setVolume()"); |
Eric Laurent | 7070b36 | 2010-07-16 07:43:46 -0700 | [diff] [blame] | 432 | return; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 433 | } |
| 434 | |
| 435 | lpTrack->setVolume(leftVol, rightVol); |
| 436 | } |
| 437 | |
| 438 | // ---------------------------------------------------------------------------- |
| 439 | static void android_media_AudioTrack_native_finalize(JNIEnv *env, jobject thiz) { |
| 440 | //LOGV("android_media_AudioTrack_native_finalize jobject: %x\n", (int)thiz); |
| 441 | |
| 442 | // delete the AudioTrack object |
| 443 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 444 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 445 | if (lpTrack) { |
| 446 | //LOGV("deleting lpTrack: %x\n", (int)lpTrack); |
| 447 | lpTrack->stop(); |
| 448 | delete lpTrack; |
| 449 | } |
| 450 | |
| 451 | // delete the JNI data |
| 452 | AudioTrackJniStorage* pJniStorage = (AudioTrackJniStorage *)env->GetIntField( |
| 453 | thiz, javaAudioTrackFields.jniData); |
| 454 | if (pJniStorage) { |
Jean-Michel Trivi | 8a14968 | 2009-07-15 18:31:11 -0700 | [diff] [blame] | 455 | // delete global refs created in native_setup |
| 456 | env->DeleteGlobalRef(pJniStorage->mCallbackData.audioTrack_class); |
| 457 | env->DeleteGlobalRef(pJniStorage->mCallbackData.audioTrack_ref); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 458 | //LOGV("deleting pJniStorage: %x\n", (int)pJniStorage); |
| 459 | delete pJniStorage; |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | // ---------------------------------------------------------------------------- |
| 464 | static void android_media_AudioTrack_native_release(JNIEnv *env, jobject thiz) { |
| 465 | |
| 466 | // do everything a call to finalize would |
| 467 | android_media_AudioTrack_native_finalize(env, thiz); |
| 468 | // + reset the native resources in the Java object so any attempt to access |
| 469 | // them after a call to release fails. |
| 470 | env->SetIntField(thiz, javaAudioTrackFields.nativeTrackInJavaObj, 0); |
| 471 | env->SetIntField(thiz, javaAudioTrackFields.jniData, 0); |
| 472 | } |
| 473 | |
| 474 | |
| 475 | // ---------------------------------------------------------------------------- |
Jean-Michel Trivi | 21dc037 | 2009-05-08 16:06:34 -0700 | [diff] [blame] | 476 | jint writeToTrack(AudioTrack* pTrack, jint audioFormat, jbyte* data, |
| 477 | jint offsetInBytes, jint sizeInBytes) { |
| 478 | // give the data to the native AudioTrack object (the data starts at the offset) |
| 479 | ssize_t written = 0; |
| 480 | // regular write() or copy the data to the AudioTrack's shared memory? |
| 481 | if (pTrack->sharedBuffer() == 0) { |
| 482 | written = pTrack->write(data + offsetInBytes, sizeInBytes); |
| 483 | } else { |
| 484 | if (audioFormat == javaAudioTrackFields.PCM16) { |
| 485 | // writing to shared memory, check for capacity |
| 486 | if ((size_t)sizeInBytes > pTrack->sharedBuffer()->size()) { |
| 487 | sizeInBytes = pTrack->sharedBuffer()->size(); |
| 488 | } |
| 489 | memcpy(pTrack->sharedBuffer()->pointer(), data + offsetInBytes, sizeInBytes); |
| 490 | written = sizeInBytes; |
| 491 | } else if (audioFormat == javaAudioTrackFields.PCM8) { |
| 492 | // data contains 8bit data we need to expand to 16bit before copying |
| 493 | // to the shared memory |
| 494 | // writing to shared memory, check for capacity, |
| 495 | // note that input data will occupy 2X the input space due to 8 to 16bit conversion |
| 496 | if (((size_t)sizeInBytes)*2 > pTrack->sharedBuffer()->size()) { |
| 497 | sizeInBytes = pTrack->sharedBuffer()->size() / 2; |
| 498 | } |
| 499 | int count = sizeInBytes; |
| 500 | int16_t *dst = (int16_t *)pTrack->sharedBuffer()->pointer(); |
| 501 | const int8_t *src = (const int8_t *)(data + offsetInBytes); |
| 502 | while(count--) { |
| 503 | *dst++ = (int16_t)(*src++^0x80) << 8; |
| 504 | } |
| 505 | // even though we wrote 2*sizeInBytes, we only report sizeInBytes as written to hide |
| 506 | // the 8bit mixer restriction from the user of this function |
| 507 | written = sizeInBytes; |
| 508 | } |
| 509 | } |
| 510 | return written; |
| 511 | |
| 512 | } |
| 513 | |
| 514 | // ---------------------------------------------------------------------------- |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 515 | static jint android_media_AudioTrack_native_write(JNIEnv *env, jobject thiz, |
| 516 | jbyteArray javaAudioData, |
| 517 | jint offsetInBytes, jint sizeInBytes, |
| 518 | jint javaAudioFormat) { |
| 519 | jbyte* cAudioData = NULL; |
| 520 | AudioTrack *lpTrack = NULL; |
| 521 | //LOGV("android_media_AudioTrack_native_write(offset=%d, sizeInBytes=%d) called", |
| 522 | // offsetInBytes, sizeInBytes); |
| 523 | |
| 524 | // get the audio track to load with samples |
| 525 | lpTrack = (AudioTrack *)env->GetIntField(thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 526 | if (lpTrack == NULL) { |
| 527 | jniThrowException(env, "java/lang/IllegalStateException", |
| 528 | "Unable to retrieve AudioTrack pointer for write()"); |
Eric Laurent | 7070b36 | 2010-07-16 07:43:46 -0700 | [diff] [blame] | 529 | return 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 530 | } |
| 531 | |
| 532 | // get the pointer for the audio data from the java array |
Eric Laurent | 421ddc0 | 2011-03-07 14:52:59 -0800 | [diff] [blame] | 533 | // NOTE: We may use GetPrimitiveArrayCritical() when the JNI implementation changes in such |
| 534 | // a way that it becomes much more efficient. When doing so, we will have to prevent the |
| 535 | // AudioSystem callback to be called while in critical section (in case of media server |
| 536 | // process crash for instance) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 537 | if (javaAudioData) { |
Eric Laurent | 421ddc0 | 2011-03-07 14:52:59 -0800 | [diff] [blame] | 538 | cAudioData = (jbyte *)env->GetByteArrayElements(javaAudioData, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 539 | if (cAudioData == NULL) { |
| 540 | LOGE("Error retrieving source of audio data to play, can't play"); |
| 541 | return 0; // out of memory or no data to load |
| 542 | } |
| 543 | } else { |
| 544 | LOGE("NULL java array of audio data to play, can't play"); |
| 545 | return 0; |
| 546 | } |
| 547 | |
Jean-Michel Trivi | 21dc037 | 2009-05-08 16:06:34 -0700 | [diff] [blame] | 548 | jint written = writeToTrack(lpTrack, javaAudioFormat, cAudioData, offsetInBytes, sizeInBytes); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 549 | |
Eric Laurent | 421ddc0 | 2011-03-07 14:52:59 -0800 | [diff] [blame] | 550 | env->ReleaseByteArrayElements(javaAudioData, cAudioData, 0); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 551 | |
| 552 | //LOGV("write wrote %d (tried %d) bytes in the native AudioTrack with offset %d", |
| 553 | // (int)written, (int)(sizeInBytes), (int)offsetInBytes); |
Jean-Michel Trivi | 21dc037 | 2009-05-08 16:06:34 -0700 | [diff] [blame] | 554 | return written; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 555 | } |
| 556 | |
| 557 | |
| 558 | // ---------------------------------------------------------------------------- |
| 559 | static jint android_media_AudioTrack_native_write_short(JNIEnv *env, jobject thiz, |
| 560 | jshortArray javaAudioData, |
| 561 | jint offsetInShorts, jint sizeInShorts, |
| 562 | jint javaAudioFormat) { |
| 563 | return (android_media_AudioTrack_native_write(env, thiz, |
| 564 | (jbyteArray) javaAudioData, |
| 565 | offsetInShorts*2, sizeInShorts*2, |
| 566 | javaAudioFormat) |
| 567 | / 2); |
| 568 | } |
| 569 | |
| 570 | |
| 571 | // ---------------------------------------------------------------------------- |
| 572 | static jint android_media_AudioTrack_get_native_frame_count(JNIEnv *env, jobject thiz) { |
| 573 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 574 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 575 | |
| 576 | if (lpTrack) { |
| 577 | return lpTrack->frameCount(); |
| 578 | } else { |
| 579 | jniThrowException(env, "java/lang/IllegalStateException", |
| 580 | "Unable to retrieve AudioTrack pointer for frameCount()"); |
| 581 | return AUDIOTRACK_ERROR; |
| 582 | } |
| 583 | } |
| 584 | |
| 585 | |
| 586 | // ---------------------------------------------------------------------------- |
Eric Laurent | 88e209d | 2009-07-07 07:10:45 -0700 | [diff] [blame] | 587 | static jint android_media_AudioTrack_set_playback_rate(JNIEnv *env, jobject thiz, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 588 | jint sampleRateInHz) { |
| 589 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 590 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 591 | |
| 592 | if (lpTrack) { |
Eric Laurent | 88e209d | 2009-07-07 07:10:45 -0700 | [diff] [blame] | 593 | return android_media_translateErrorCode(lpTrack->setSampleRate(sampleRateInHz)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 594 | } else { |
| 595 | jniThrowException(env, "java/lang/IllegalStateException", |
| 596 | "Unable to retrieve AudioTrack pointer for setSampleRate()"); |
Eric Laurent | 88e209d | 2009-07-07 07:10:45 -0700 | [diff] [blame] | 597 | return AUDIOTRACK_ERROR; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 598 | } |
| 599 | } |
| 600 | |
| 601 | |
| 602 | // ---------------------------------------------------------------------------- |
| 603 | static jint android_media_AudioTrack_get_playback_rate(JNIEnv *env, jobject thiz) { |
| 604 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 605 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 606 | |
| 607 | if (lpTrack) { |
| 608 | return (jint) lpTrack->getSampleRate(); |
| 609 | } else { |
| 610 | jniThrowException(env, "java/lang/IllegalStateException", |
| 611 | "Unable to retrieve AudioTrack pointer for getSampleRate()"); |
| 612 | return AUDIOTRACK_ERROR; |
| 613 | } |
| 614 | } |
| 615 | |
| 616 | |
| 617 | // ---------------------------------------------------------------------------- |
| 618 | static jint android_media_AudioTrack_set_marker_pos(JNIEnv *env, jobject thiz, |
| 619 | jint markerPos) { |
| 620 | |
| 621 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 622 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 623 | |
| 624 | if (lpTrack) { |
| 625 | return android_media_translateErrorCode( lpTrack->setMarkerPosition(markerPos) ); |
| 626 | } else { |
| 627 | jniThrowException(env, "java/lang/IllegalStateException", |
| 628 | "Unable to retrieve AudioTrack pointer for setMarkerPosition()"); |
| 629 | return AUDIOTRACK_ERROR; |
| 630 | } |
| 631 | } |
| 632 | |
| 633 | |
| 634 | // ---------------------------------------------------------------------------- |
| 635 | static jint android_media_AudioTrack_get_marker_pos(JNIEnv *env, jobject thiz) { |
| 636 | |
| 637 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 638 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 639 | uint32_t markerPos = 0; |
| 640 | |
| 641 | if (lpTrack) { |
| 642 | lpTrack->getMarkerPosition(&markerPos); |
| 643 | return (jint)markerPos; |
| 644 | } else { |
| 645 | jniThrowException(env, "java/lang/IllegalStateException", |
| 646 | "Unable to retrieve AudioTrack pointer for getMarkerPosition()"); |
| 647 | return AUDIOTRACK_ERROR; |
| 648 | } |
| 649 | } |
| 650 | |
| 651 | |
| 652 | // ---------------------------------------------------------------------------- |
| 653 | static jint android_media_AudioTrack_set_pos_update_period(JNIEnv *env, jobject thiz, |
| 654 | jint period) { |
| 655 | |
| 656 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 657 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 658 | |
| 659 | if (lpTrack) { |
| 660 | return android_media_translateErrorCode( lpTrack->setPositionUpdatePeriod(period) ); |
| 661 | } else { |
| 662 | jniThrowException(env, "java/lang/IllegalStateException", |
| 663 | "Unable to retrieve AudioTrack pointer for setPositionUpdatePeriod()"); |
| 664 | return AUDIOTRACK_ERROR; |
| 665 | } |
| 666 | } |
| 667 | |
| 668 | |
| 669 | // ---------------------------------------------------------------------------- |
| 670 | static jint android_media_AudioTrack_get_pos_update_period(JNIEnv *env, jobject thiz) { |
| 671 | |
| 672 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 673 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 674 | uint32_t period = 0; |
| 675 | |
| 676 | if (lpTrack) { |
| 677 | lpTrack->getPositionUpdatePeriod(&period); |
| 678 | return (jint)period; |
| 679 | } else { |
| 680 | jniThrowException(env, "java/lang/IllegalStateException", |
| 681 | "Unable to retrieve AudioTrack pointer for getPositionUpdatePeriod()"); |
| 682 | return AUDIOTRACK_ERROR; |
| 683 | } |
| 684 | } |
| 685 | |
| 686 | |
| 687 | // ---------------------------------------------------------------------------- |
| 688 | static jint android_media_AudioTrack_set_position(JNIEnv *env, jobject thiz, |
| 689 | jint position) { |
| 690 | |
| 691 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 692 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 693 | |
| 694 | if (lpTrack) { |
| 695 | return android_media_translateErrorCode( lpTrack->setPosition(position) ); |
| 696 | } else { |
| 697 | jniThrowException(env, "java/lang/IllegalStateException", |
| 698 | "Unable to retrieve AudioTrack pointer for setPosition()"); |
| 699 | return AUDIOTRACK_ERROR; |
| 700 | } |
| 701 | } |
| 702 | |
| 703 | |
| 704 | // ---------------------------------------------------------------------------- |
| 705 | static jint android_media_AudioTrack_get_position(JNIEnv *env, jobject thiz) { |
| 706 | |
| 707 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 708 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 709 | uint32_t position = 0; |
| 710 | |
| 711 | if (lpTrack) { |
| 712 | lpTrack->getPosition(&position); |
| 713 | return (jint)position; |
| 714 | } else { |
| 715 | jniThrowException(env, "java/lang/IllegalStateException", |
| 716 | "Unable to retrieve AudioTrack pointer for getPosition()"); |
| 717 | return AUDIOTRACK_ERROR; |
| 718 | } |
| 719 | } |
| 720 | |
| 721 | |
| 722 | // ---------------------------------------------------------------------------- |
| 723 | static jint android_media_AudioTrack_set_loop(JNIEnv *env, jobject thiz, |
| 724 | jint loopStart, jint loopEnd, jint loopCount) { |
| 725 | |
| 726 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 727 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 728 | if (lpTrack) { |
| 729 | return android_media_translateErrorCode( lpTrack->setLoop(loopStart, loopEnd, loopCount) ); |
| 730 | } else { |
| 731 | jniThrowException(env, "java/lang/IllegalStateException", |
| 732 | "Unable to retrieve AudioTrack pointer for setLoop()"); |
| 733 | return AUDIOTRACK_ERROR; |
| 734 | } |
| 735 | } |
| 736 | |
| 737 | |
| 738 | // ---------------------------------------------------------------------------- |
| 739 | static jint android_media_AudioTrack_reload(JNIEnv *env, jobject thiz) { |
| 740 | |
| 741 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 742 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 743 | if (lpTrack) { |
| 744 | return android_media_translateErrorCode( lpTrack->reload() ); |
| 745 | } else { |
| 746 | jniThrowException(env, "java/lang/IllegalStateException", |
| 747 | "Unable to retrieve AudioTrack pointer for reload()"); |
| 748 | return AUDIOTRACK_ERROR; |
| 749 | } |
| 750 | } |
| 751 | |
| 752 | |
| 753 | // ---------------------------------------------------------------------------- |
| 754 | static jint android_media_AudioTrack_get_output_sample_rate(JNIEnv *env, jobject thiz, |
| 755 | jint javaStreamType) { |
| 756 | int afSamplingRate; |
| 757 | // convert the stream type from Java to native value |
| 758 | // FIXME: code duplication with android_media_AudioTrack_native_setup() |
| 759 | AudioSystem::stream_type nativeStreamType; |
| 760 | if (javaStreamType == javaAudioTrackFields.STREAM_VOICE_CALL) { |
| 761 | nativeStreamType = AudioSystem::VOICE_CALL; |
| 762 | } else if (javaStreamType == javaAudioTrackFields.STREAM_SYSTEM) { |
| 763 | nativeStreamType = AudioSystem::SYSTEM; |
| 764 | } else if (javaStreamType == javaAudioTrackFields.STREAM_RING) { |
| 765 | nativeStreamType = AudioSystem::RING; |
| 766 | } else if (javaStreamType == javaAudioTrackFields.STREAM_MUSIC) { |
| 767 | nativeStreamType = AudioSystem::MUSIC; |
| 768 | } else if (javaStreamType == javaAudioTrackFields.STREAM_ALARM) { |
| 769 | nativeStreamType = AudioSystem::ALARM; |
| 770 | } else if (javaStreamType == javaAudioTrackFields.STREAM_NOTIFICATION) { |
| 771 | nativeStreamType = AudioSystem::NOTIFICATION; |
| 772 | } else if (javaStreamType == javaAudioTrackFields.STREAM_BLUETOOTH_SCO) { |
| 773 | nativeStreamType = AudioSystem::BLUETOOTH_SCO; |
Eric Laurent | 83b3685 | 2009-07-28 07:49:22 -0700 | [diff] [blame] | 774 | } else if (javaStreamType == javaAudioTrackFields.STREAM_DTMF) { |
| 775 | nativeStreamType = AudioSystem::DTMF; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 776 | } else { |
| 777 | nativeStreamType = AudioSystem::DEFAULT; |
| 778 | } |
| 779 | |
| 780 | if (AudioSystem::getOutputSamplingRate(&afSamplingRate, nativeStreamType) != NO_ERROR) { |
| 781 | LOGE("AudioSystem::getOutputSamplingRate() for stream type %d failed in AudioTrack JNI", |
| 782 | nativeStreamType); |
| 783 | return DEFAULT_OUTPUT_SAMPLE_RATE; |
| 784 | } else { |
| 785 | return afSamplingRate; |
| 786 | } |
| 787 | } |
| 788 | |
| 789 | |
| 790 | // ---------------------------------------------------------------------------- |
| 791 | // returns the minimum required size for the successful creation of a streaming AudioTrack |
| 792 | // returns -1 if there was an error querying the hardware. |
| 793 | static jint android_media_AudioTrack_get_min_buff_size(JNIEnv *env, jobject thiz, |
| 794 | jint sampleRateInHertz, jint nbChannels, jint audioFormat) { |
Chia-chi Yeh | c330807 | 2010-08-19 17:14:36 +0800 | [diff] [blame] | 795 | |
| 796 | int frameCount = 0; |
| 797 | if (AudioTrack::getMinFrameCount(&frameCount, AudioSystem::DEFAULT, |
| 798 | sampleRateInHertz) != NO_ERROR) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 799 | return -1; |
| 800 | } |
Chia-chi Yeh | c330807 | 2010-08-19 17:14:36 +0800 | [diff] [blame] | 801 | return frameCount * nbChannels * (audioFormat == javaAudioTrackFields.PCM16 ? 2 : 1); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 802 | } |
| 803 | |
Eric Laurent | 7070b36 | 2010-07-16 07:43:46 -0700 | [diff] [blame] | 804 | // ---------------------------------------------------------------------------- |
| 805 | static void |
| 806 | android_media_AudioTrack_setAuxEffectSendLevel(JNIEnv *env, jobject thiz, jfloat level ) |
| 807 | { |
| 808 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 809 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 810 | if (lpTrack == NULL ) { |
| 811 | jniThrowException(env, "java/lang/IllegalStateException", |
| 812 | "Unable to retrieve AudioTrack pointer for setAuxEffectSendLevel()"); |
| 813 | return; |
| 814 | } |
| 815 | |
| 816 | lpTrack->setAuxEffectSendLevel(level); |
| 817 | } |
| 818 | |
| 819 | // ---------------------------------------------------------------------------- |
| 820 | static jint android_media_AudioTrack_attachAuxEffect(JNIEnv *env, jobject thiz, |
| 821 | jint effectId) { |
| 822 | |
| 823 | AudioTrack *lpTrack = (AudioTrack *)env->GetIntField( |
| 824 | thiz, javaAudioTrackFields.nativeTrackInJavaObj); |
| 825 | |
| 826 | if (lpTrack) { |
| 827 | return android_media_translateErrorCode( lpTrack->attachAuxEffect(effectId) ); |
| 828 | } else { |
| 829 | jniThrowException(env, "java/lang/IllegalStateException", |
| 830 | "Unable to retrieve AudioTrack pointer for attachAuxEffect()"); |
| 831 | return AUDIOTRACK_ERROR; |
| 832 | } |
| 833 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 834 | |
| 835 | // ---------------------------------------------------------------------------- |
| 836 | // ---------------------------------------------------------------------------- |
| 837 | static JNINativeMethod gMethods[] = { |
| 838 | // name, signature, funcPtr |
| 839 | {"native_start", "()V", (void *)android_media_AudioTrack_start}, |
| 840 | {"native_stop", "()V", (void *)android_media_AudioTrack_stop}, |
| 841 | {"native_pause", "()V", (void *)android_media_AudioTrack_pause}, |
| 842 | {"native_flush", "()V", (void *)android_media_AudioTrack_flush}, |
Eric Laurent | 619346f | 2010-06-21 09:27:30 -0700 | [diff] [blame] | 843 | {"native_setup", "(Ljava/lang/Object;IIIIII[I)I", |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 844 | (void *)android_media_AudioTrack_native_setup}, |
| 845 | {"native_finalize", "()V", (void *)android_media_AudioTrack_native_finalize}, |
| 846 | {"native_release", "()V", (void *)android_media_AudioTrack_native_release}, |
| 847 | {"native_write_byte", "([BIII)I", (void *)android_media_AudioTrack_native_write}, |
| 848 | {"native_write_short", "([SIII)I", (void *)android_media_AudioTrack_native_write_short}, |
| 849 | {"native_setVolume", "(FF)V", (void *)android_media_AudioTrack_set_volume}, |
| 850 | {"native_get_native_frame_count", |
| 851 | "()I", (void *)android_media_AudioTrack_get_native_frame_count}, |
| 852 | {"native_set_playback_rate", |
Eric Laurent | 88e209d | 2009-07-07 07:10:45 -0700 | [diff] [blame] | 853 | "(I)I", (void *)android_media_AudioTrack_set_playback_rate}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 854 | {"native_get_playback_rate", |
| 855 | "()I", (void *)android_media_AudioTrack_get_playback_rate}, |
| 856 | {"native_set_marker_pos","(I)I", (void *)android_media_AudioTrack_set_marker_pos}, |
| 857 | {"native_get_marker_pos","()I", (void *)android_media_AudioTrack_get_marker_pos}, |
| 858 | {"native_set_pos_update_period", |
| 859 | "(I)I", (void *)android_media_AudioTrack_set_pos_update_period}, |
| 860 | {"native_get_pos_update_period", |
| 861 | "()I", (void *)android_media_AudioTrack_get_pos_update_period}, |
| 862 | {"native_set_position", "(I)I", (void *)android_media_AudioTrack_set_position}, |
| 863 | {"native_get_position", "()I", (void *)android_media_AudioTrack_get_position}, |
| 864 | {"native_set_loop", "(III)I", (void *)android_media_AudioTrack_set_loop}, |
| 865 | {"native_reload_static", "()I", (void *)android_media_AudioTrack_reload}, |
| 866 | {"native_get_output_sample_rate", |
| 867 | "(I)I", (void *)android_media_AudioTrack_get_output_sample_rate}, |
| 868 | {"native_get_min_buff_size", |
| 869 | "(III)I", (void *)android_media_AudioTrack_get_min_buff_size}, |
Eric Laurent | 7070b36 | 2010-07-16 07:43:46 -0700 | [diff] [blame] | 870 | {"native_setAuxEffectSendLevel", |
| 871 | "(F)V", (void *)android_media_AudioTrack_setAuxEffectSendLevel}, |
| 872 | {"native_attachAuxEffect", |
| 873 | "(I)I", (void *)android_media_AudioTrack_attachAuxEffect}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 874 | }; |
| 875 | |
| 876 | |
| 877 | // field names found in android/media/AudioTrack.java |
| 878 | #define JAVA_POSTEVENT_CALLBACK_NAME "postEventFromNative" |
| 879 | #define JAVA_CONST_PCM16_NAME "ENCODING_PCM_16BIT" |
| 880 | #define JAVA_CONST_PCM8_NAME "ENCODING_PCM_8BIT" |
| 881 | #define JAVA_CONST_BUFFER_COUNT_NAME "BUFFER_COUNT" |
| 882 | #define JAVA_CONST_STREAM_VOICE_CALL_NAME "STREAM_VOICE_CALL" |
| 883 | #define JAVA_CONST_STREAM_SYSTEM_NAME "STREAM_SYSTEM" |
| 884 | #define JAVA_CONST_STREAM_RING_NAME "STREAM_RING" |
| 885 | #define JAVA_CONST_STREAM_MUSIC_NAME "STREAM_MUSIC" |
| 886 | #define JAVA_CONST_STREAM_ALARM_NAME "STREAM_ALARM" |
| 887 | #define JAVA_CONST_STREAM_NOTIFICATION_NAME "STREAM_NOTIFICATION" |
| 888 | #define JAVA_CONST_STREAM_BLUETOOTH_SCO_NAME "STREAM_BLUETOOTH_SCO" |
Eric Laurent | 83b3685 | 2009-07-28 07:49:22 -0700 | [diff] [blame] | 889 | #define JAVA_CONST_STREAM_DTMF_NAME "STREAM_DTMF" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 890 | #define JAVA_CONST_MODE_STREAM_NAME "MODE_STREAM" |
| 891 | #define JAVA_CONST_MODE_STATIC_NAME "MODE_STATIC" |
| 892 | #define JAVA_NATIVETRACKINJAVAOBJ_FIELD_NAME "mNativeTrackInJavaObj" |
| 893 | #define JAVA_JNIDATA_FIELD_NAME "mJniData" |
| 894 | |
| 895 | #define JAVA_AUDIOFORMAT_CLASS_NAME "android/media/AudioFormat" |
| 896 | #define JAVA_AUDIOMANAGER_CLASS_NAME "android/media/AudioManager" |
| 897 | |
| 898 | // ---------------------------------------------------------------------------- |
| 899 | // preconditions: |
| 900 | // theClass is valid |
| 901 | bool android_media_getIntConstantFromClass(JNIEnv* pEnv, jclass theClass, const char* className, |
| 902 | const char* constName, int* constVal) { |
| 903 | jfieldID javaConst = NULL; |
| 904 | javaConst = pEnv->GetStaticFieldID(theClass, constName, "I"); |
| 905 | if (javaConst != NULL) { |
| 906 | *constVal = pEnv->GetStaticIntField(theClass, javaConst); |
| 907 | return true; |
| 908 | } else { |
| 909 | LOGE("Can't find %s.%s", className, constName); |
| 910 | return false; |
| 911 | } |
| 912 | } |
| 913 | |
| 914 | |
| 915 | // ---------------------------------------------------------------------------- |
| 916 | int register_android_media_AudioTrack(JNIEnv *env) |
| 917 | { |
| 918 | javaAudioTrackFields.audioTrackClass = NULL; |
| 919 | javaAudioTrackFields.nativeTrackInJavaObj = NULL; |
| 920 | javaAudioTrackFields.postNativeEventInJava = NULL; |
| 921 | |
| 922 | // Get the AudioTrack class |
| 923 | javaAudioTrackFields.audioTrackClass = env->FindClass(kClassPathName); |
| 924 | if (javaAudioTrackFields.audioTrackClass == NULL) { |
| 925 | LOGE("Can't find %s", kClassPathName); |
| 926 | return -1; |
| 927 | } |
| 928 | |
| 929 | // Get the postEvent method |
| 930 | javaAudioTrackFields.postNativeEventInJava = env->GetStaticMethodID( |
| 931 | javaAudioTrackFields.audioTrackClass, |
| 932 | JAVA_POSTEVENT_CALLBACK_NAME, "(Ljava/lang/Object;IIILjava/lang/Object;)V"); |
| 933 | if (javaAudioTrackFields.postNativeEventInJava == NULL) { |
| 934 | LOGE("Can't find AudioTrack.%s", JAVA_POSTEVENT_CALLBACK_NAME); |
| 935 | return -1; |
| 936 | } |
| 937 | |
| 938 | // Get the variables fields |
| 939 | // nativeTrackInJavaObj |
| 940 | javaAudioTrackFields.nativeTrackInJavaObj = env->GetFieldID( |
| 941 | javaAudioTrackFields.audioTrackClass, |
| 942 | JAVA_NATIVETRACKINJAVAOBJ_FIELD_NAME, "I"); |
| 943 | if (javaAudioTrackFields.nativeTrackInJavaObj == NULL) { |
| 944 | LOGE("Can't find AudioTrack.%s", JAVA_NATIVETRACKINJAVAOBJ_FIELD_NAME); |
| 945 | return -1; |
| 946 | } |
| 947 | // jniData; |
| 948 | javaAudioTrackFields.jniData = env->GetFieldID( |
| 949 | javaAudioTrackFields.audioTrackClass, |
| 950 | JAVA_JNIDATA_FIELD_NAME, "I"); |
| 951 | if (javaAudioTrackFields.jniData == NULL) { |
| 952 | LOGE("Can't find AudioTrack.%s", JAVA_JNIDATA_FIELD_NAME); |
| 953 | return -1; |
| 954 | } |
| 955 | |
| 956 | // Get the memory mode constants |
| 957 | if ( !android_media_getIntConstantFromClass(env, javaAudioTrackFields.audioTrackClass, |
| 958 | kClassPathName, |
| 959 | JAVA_CONST_MODE_STATIC_NAME, &(javaAudioTrackFields.MODE_STATIC)) |
| 960 | || !android_media_getIntConstantFromClass(env, javaAudioTrackFields.audioTrackClass, |
| 961 | kClassPathName, |
| 962 | JAVA_CONST_MODE_STREAM_NAME, &(javaAudioTrackFields.MODE_STREAM)) ) { |
| 963 | // error log performed in android_media_getIntConstantFromClass() |
| 964 | return -1; |
| 965 | } |
| 966 | |
| 967 | // Get the format constants from the AudioFormat class |
| 968 | jclass audioFormatClass = NULL; |
| 969 | audioFormatClass = env->FindClass(JAVA_AUDIOFORMAT_CLASS_NAME); |
| 970 | if (audioFormatClass == NULL) { |
| 971 | LOGE("Can't find %s", JAVA_AUDIOFORMAT_CLASS_NAME); |
| 972 | return -1; |
| 973 | } |
| 974 | if ( !android_media_getIntConstantFromClass(env, audioFormatClass, |
| 975 | JAVA_AUDIOFORMAT_CLASS_NAME, |
| 976 | JAVA_CONST_PCM16_NAME, &(javaAudioTrackFields.PCM16)) |
| 977 | || !android_media_getIntConstantFromClass(env, audioFormatClass, |
| 978 | JAVA_AUDIOFORMAT_CLASS_NAME, |
| 979 | JAVA_CONST_PCM8_NAME, &(javaAudioTrackFields.PCM8)) ) { |
| 980 | // error log performed in android_media_getIntConstantFromClass() |
| 981 | return -1; |
| 982 | } |
| 983 | |
| 984 | // Get the stream types from the AudioManager class |
| 985 | jclass audioManagerClass = NULL; |
| 986 | audioManagerClass = env->FindClass(JAVA_AUDIOMANAGER_CLASS_NAME); |
| 987 | if (audioManagerClass == NULL) { |
| 988 | LOGE("Can't find %s", JAVA_AUDIOMANAGER_CLASS_NAME); |
| 989 | return -1; |
| 990 | } |
| 991 | if ( !android_media_getIntConstantFromClass(env, audioManagerClass, |
| 992 | JAVA_AUDIOMANAGER_CLASS_NAME, |
| 993 | JAVA_CONST_STREAM_VOICE_CALL_NAME, &(javaAudioTrackFields.STREAM_VOICE_CALL)) |
| 994 | || !android_media_getIntConstantFromClass(env, audioManagerClass, |
| 995 | JAVA_AUDIOMANAGER_CLASS_NAME, |
| 996 | JAVA_CONST_STREAM_MUSIC_NAME, &(javaAudioTrackFields.STREAM_MUSIC)) |
| 997 | || !android_media_getIntConstantFromClass(env, audioManagerClass, |
| 998 | JAVA_AUDIOMANAGER_CLASS_NAME, |
| 999 | JAVA_CONST_STREAM_SYSTEM_NAME, &(javaAudioTrackFields.STREAM_SYSTEM)) |
| 1000 | || !android_media_getIntConstantFromClass(env, audioManagerClass, |
| 1001 | JAVA_AUDIOMANAGER_CLASS_NAME, |
| 1002 | JAVA_CONST_STREAM_RING_NAME, &(javaAudioTrackFields.STREAM_RING)) |
| 1003 | || !android_media_getIntConstantFromClass(env, audioManagerClass, |
| 1004 | JAVA_AUDIOMANAGER_CLASS_NAME, |
| 1005 | JAVA_CONST_STREAM_ALARM_NAME, &(javaAudioTrackFields.STREAM_ALARM)) |
| 1006 | || !android_media_getIntConstantFromClass(env, audioManagerClass, |
| 1007 | JAVA_AUDIOMANAGER_CLASS_NAME, |
| 1008 | JAVA_CONST_STREAM_NOTIFICATION_NAME, &(javaAudioTrackFields.STREAM_NOTIFICATION)) |
| 1009 | || !android_media_getIntConstantFromClass(env, audioManagerClass, |
| 1010 | JAVA_AUDIOMANAGER_CLASS_NAME, |
Eric Laurent | 83b3685 | 2009-07-28 07:49:22 -0700 | [diff] [blame] | 1011 | JAVA_CONST_STREAM_BLUETOOTH_SCO_NAME, &(javaAudioTrackFields.STREAM_BLUETOOTH_SCO)) |
| 1012 | || !android_media_getIntConstantFromClass(env, audioManagerClass, |
| 1013 | JAVA_AUDIOMANAGER_CLASS_NAME, |
| 1014 | JAVA_CONST_STREAM_DTMF_NAME, &(javaAudioTrackFields.STREAM_DTMF))) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1015 | // error log performed in android_media_getIntConstantFromClass() |
| 1016 | return -1; |
| 1017 | } |
| 1018 | |
| 1019 | return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); |
| 1020 | } |
| 1021 | |
| 1022 | |
| 1023 | // ---------------------------------------------------------------------------- |