Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 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 | #include <stdio.h> |
| 18 | |
| 19 | //#define LOG_NDEBUG 0 |
| 20 | #define LOG_TAG "visualizers-JNI" |
| 21 | |
| 22 | #include <utils/Log.h> |
| 23 | #include <nativehelper/jni.h> |
| 24 | #include <nativehelper/JNIHelp.h> |
| 25 | #include <android_runtime/AndroidRuntime.h> |
John Grossman | 449725f | 2012-01-10 12:17:03 -0800 | [diff] [blame] | 26 | #include <utils/threads.h> |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 27 | #include "media/Visualizer.h" |
| 28 | |
| 29 | using namespace android; |
| 30 | |
| 31 | #define VISUALIZER_SUCCESS 0 |
| 32 | #define VISUALIZER_ERROR -1 |
| 33 | #define VISUALIZER_ERROR_ALREADY_EXISTS -2 |
| 34 | #define VISUALIZER_ERROR_NO_INIT -3 |
| 35 | #define VISUALIZER_ERROR_BAD_VALUE -4 |
| 36 | #define VISUALIZER_ERROR_INVALID_OPERATION -5 |
| 37 | #define VISUALIZER_ERROR_NO_MEMORY -6 |
| 38 | #define VISUALIZER_ERROR_DEAD_OBJECT -7 |
| 39 | |
| 40 | #define NATIVE_EVENT_PCM_CAPTURE 0 |
| 41 | #define NATIVE_EVENT_FFT_CAPTURE 1 |
John Grossman | 3540a01 | 2012-01-11 12:23:42 -0800 | [diff] [blame] | 42 | #define NATIVE_EVENT_SERVER_DIED 2 |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 43 | |
| 44 | // ---------------------------------------------------------------------------- |
Eric Laurent | 1a5149e | 2010-09-21 18:18:20 -0700 | [diff] [blame] | 45 | static const char* const kClassPathName = "android/media/audiofx/Visualizer"; |
Jean-Michel Trivi | badca26 | 2013-09-20 10:48:55 -0700 | [diff] [blame] | 46 | static const char* const kClassPeakRmsPathName = |
| 47 | "android/media/audiofx/Visualizer$MeasurementPeakRms"; |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 48 | |
| 49 | struct fields_t { |
| 50 | // these fields provide access from C++ to the... |
| 51 | jclass clazzEffect; // Visualizer class |
| 52 | jmethodID midPostNativeEvent; // event post callback method |
| 53 | jfieldID fidNativeVisualizer; // stores in Java the native Visualizer object |
| 54 | jfieldID fidJniData; // stores in Java additional resources used by the native Visualizer |
Jean-Michel Trivi | badca26 | 2013-09-20 10:48:55 -0700 | [diff] [blame] | 55 | jfieldID fidPeak; // to access Visualizer.MeasurementPeakRms.mPeak |
| 56 | jfieldID fidRms; // to access Visualizer.MeasurementPeakRms.mRms |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 57 | }; |
| 58 | static fields_t fields; |
| 59 | |
| 60 | struct visualizer_callback_cookie { |
| 61 | jclass visualizer_class; // Visualizer class |
| 62 | jobject visualizer_ref; // Visualizer object instance |
John Grossman | 449725f | 2012-01-10 12:17:03 -0800 | [diff] [blame] | 63 | |
| 64 | // Lazily allocated arrays used to hold callback data provided to java |
| 65 | // applications. These arrays are allocated during the first callback and |
| 66 | // reallocated when the size of the callback data changes. Allocating on |
| 67 | // demand and saving the arrays means that applications cannot safely hold a |
| 68 | // reference to the provided data (they need to make a copy if they want to |
| 69 | // hold onto outside of the callback scope), but it avoids GC thrash caused |
| 70 | // by constantly allocating and releasing arrays to hold callback data. |
| 71 | Mutex callback_data_lock; |
| 72 | jbyteArray waveform_data; |
| 73 | jbyteArray fft_data; |
| 74 | |
| 75 | visualizer_callback_cookie() { |
| 76 | waveform_data = NULL; |
| 77 | fft_data = NULL; |
| 78 | } |
| 79 | |
| 80 | ~visualizer_callback_cookie() { |
| 81 | cleanupBuffers(); |
| 82 | } |
| 83 | |
| 84 | void cleanupBuffers() { |
| 85 | AutoMutex lock(&callback_data_lock); |
| 86 | if (waveform_data || fft_data) { |
| 87 | JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| 88 | |
| 89 | if (waveform_data) { |
| 90 | env->DeleteGlobalRef(waveform_data); |
| 91 | waveform_data = NULL; |
| 92 | } |
| 93 | |
| 94 | if (fft_data) { |
| 95 | env->DeleteGlobalRef(fft_data); |
| 96 | fft_data = NULL; |
| 97 | } |
| 98 | } |
| 99 | } |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 100 | }; |
| 101 | |
| 102 | // ---------------------------------------------------------------------------- |
| 103 | class visualizerJniStorage { |
| 104 | public: |
| 105 | visualizer_callback_cookie mCallbackData; |
| 106 | |
| 107 | visualizerJniStorage() { |
| 108 | } |
| 109 | |
| 110 | ~visualizerJniStorage() { |
| 111 | } |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 112 | }; |
| 113 | |
| 114 | |
| 115 | static jint translateError(int code) { |
| 116 | switch(code) { |
| 117 | case NO_ERROR: |
| 118 | return VISUALIZER_SUCCESS; |
| 119 | case ALREADY_EXISTS: |
| 120 | return VISUALIZER_ERROR_ALREADY_EXISTS; |
| 121 | case NO_INIT: |
| 122 | return VISUALIZER_ERROR_NO_INIT; |
| 123 | case BAD_VALUE: |
| 124 | return VISUALIZER_ERROR_BAD_VALUE; |
| 125 | case INVALID_OPERATION: |
| 126 | return VISUALIZER_ERROR_INVALID_OPERATION; |
| 127 | case NO_MEMORY: |
| 128 | return VISUALIZER_ERROR_NO_MEMORY; |
| 129 | case DEAD_OBJECT: |
| 130 | return VISUALIZER_ERROR_DEAD_OBJECT; |
| 131 | default: |
| 132 | return VISUALIZER_ERROR; |
| 133 | } |
| 134 | } |
| 135 | |
| 136 | |
| 137 | // ---------------------------------------------------------------------------- |
John Grossman | 449725f | 2012-01-10 12:17:03 -0800 | [diff] [blame] | 138 | static void ensureArraySize(JNIEnv *env, jbyteArray *array, uint32_t size) { |
| 139 | if (NULL != *array) { |
| 140 | uint32_t len = env->GetArrayLength(*array); |
| 141 | if (len == size) |
| 142 | return; |
| 143 | |
| 144 | env->DeleteGlobalRef(*array); |
| 145 | *array = NULL; |
| 146 | } |
| 147 | |
| 148 | jbyteArray localRef = env->NewByteArray(size); |
| 149 | if (NULL != localRef) { |
| 150 | // Promote to global ref. |
| 151 | *array = (jbyteArray)env->NewGlobalRef(localRef); |
| 152 | |
| 153 | // Release our (now pointless) local ref. |
| 154 | env->DeleteLocalRef(localRef); |
| 155 | } |
| 156 | } |
| 157 | |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 158 | static void captureCallback(void* user, |
| 159 | uint32_t waveformSize, |
| 160 | uint8_t *waveform, |
| 161 | uint32_t fftSize, |
| 162 | uint8_t *fft, |
| 163 | uint32_t samplingrate) { |
| 164 | |
| 165 | int arg1 = 0; |
| 166 | int arg2 = 0; |
| 167 | size_t size; |
| 168 | |
| 169 | visualizer_callback_cookie *callbackInfo = (visualizer_callback_cookie *)user; |
| 170 | JNIEnv *env = AndroidRuntime::getJNIEnv(); |
Mike J. Chen | 67a1218 | 2013-04-26 12:34:52 -0700 | [diff] [blame] | 171 | |
| 172 | if (!user || !env) { |
| 173 | ALOGW("captureCallback error user %p, env %p", user, env); |
| 174 | return; |
| 175 | } |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 176 | |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 177 | ALOGV("captureCallback: callbackInfo %p, visualizer_ref %p visualizer_class %p", |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 178 | callbackInfo, |
| 179 | callbackInfo->visualizer_ref, |
| 180 | callbackInfo->visualizer_class); |
| 181 | |
Mike J. Chen | 67a1218 | 2013-04-26 12:34:52 -0700 | [diff] [blame] | 182 | AutoMutex lock(&callbackInfo->callback_data_lock); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 183 | |
| 184 | if (waveformSize != 0 && waveform != NULL) { |
John Grossman | 449725f | 2012-01-10 12:17:03 -0800 | [diff] [blame] | 185 | jbyteArray jArray; |
| 186 | |
| 187 | ensureArraySize(env, &callbackInfo->waveform_data, waveformSize); |
| 188 | jArray = callbackInfo->waveform_data; |
| 189 | |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 190 | if (jArray != NULL) { |
| 191 | jbyte *nArray = env->GetByteArrayElements(jArray, NULL); |
| 192 | memcpy(nArray, waveform, waveformSize); |
| 193 | env->ReleaseByteArrayElements(jArray, nArray, 0); |
| 194 | env->CallStaticVoidMethod( |
| 195 | callbackInfo->visualizer_class, |
| 196 | fields.midPostNativeEvent, |
| 197 | callbackInfo->visualizer_ref, |
| 198 | NATIVE_EVENT_PCM_CAPTURE, |
| 199 | samplingrate, |
| 200 | 0, |
| 201 | jArray); |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | if (fftSize != 0 && fft != NULL) { |
John Grossman | 449725f | 2012-01-10 12:17:03 -0800 | [diff] [blame] | 206 | jbyteArray jArray; |
| 207 | |
| 208 | ensureArraySize(env, &callbackInfo->fft_data, fftSize); |
| 209 | jArray = callbackInfo->fft_data; |
| 210 | |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 211 | if (jArray != NULL) { |
| 212 | jbyte *nArray = env->GetByteArrayElements(jArray, NULL); |
| 213 | memcpy(nArray, fft, fftSize); |
| 214 | env->ReleaseByteArrayElements(jArray, nArray, 0); |
| 215 | env->CallStaticVoidMethod( |
| 216 | callbackInfo->visualizer_class, |
| 217 | fields.midPostNativeEvent, |
| 218 | callbackInfo->visualizer_ref, |
| 219 | NATIVE_EVENT_FFT_CAPTURE, |
| 220 | samplingrate, |
| 221 | 0, |
| 222 | jArray); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 223 | } |
| 224 | } |
| 225 | |
| 226 | if (env->ExceptionCheck()) { |
| 227 | env->ExceptionDescribe(); |
| 228 | env->ExceptionClear(); |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | static Visualizer *getVisualizer(JNIEnv* env, jobject thiz) |
| 233 | { |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 234 | Visualizer *v = (Visualizer *)env->GetLongField( |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 235 | thiz, fields.fidNativeVisualizer); |
| 236 | if (v == NULL) { |
| 237 | jniThrowException(env, "java/lang/IllegalStateException", |
| 238 | "Unable to retrieve Visualizer pointer"); |
| 239 | } |
| 240 | return v; |
| 241 | } |
| 242 | |
| 243 | // ---------------------------------------------------------------------------- |
| 244 | // This function gets some field IDs, which in turn causes class initialization. |
| 245 | // It is called from a static block in Visualizer, which won't run until the |
| 246 | // first time an instance of this class is used. |
| 247 | static void |
| 248 | android_media_visualizer_native_init(JNIEnv *env) |
| 249 | { |
| 250 | |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 251 | ALOGV("android_media_visualizer_native_init"); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 252 | |
| 253 | fields.clazzEffect = NULL; |
| 254 | |
| 255 | // Get the Visualizer class |
| 256 | jclass clazz = env->FindClass(kClassPathName); |
| 257 | if (clazz == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 258 | ALOGE("Can't find %s", kClassPathName); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 259 | return; |
| 260 | } |
| 261 | |
| 262 | fields.clazzEffect = (jclass)env->NewGlobalRef(clazz); |
| 263 | |
Jean-Michel Trivi | badca26 | 2013-09-20 10:48:55 -0700 | [diff] [blame] | 264 | // Get the Visualizer.MeasurementPeakRms class |
| 265 | clazz = env->FindClass(kClassPeakRmsPathName); |
| 266 | if (clazz == NULL) { |
| 267 | ALOGE("Can't find %s", kClassPeakRmsPathName); |
| 268 | return; |
| 269 | } |
| 270 | jclass clazzMeasurementPeakRms = (jclass)env->NewGlobalRef(clazz); |
| 271 | |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 272 | // Get the postEvent method |
| 273 | fields.midPostNativeEvent = env->GetStaticMethodID( |
| 274 | fields.clazzEffect, |
| 275 | "postEventFromNative", "(Ljava/lang/Object;IIILjava/lang/Object;)V"); |
| 276 | if (fields.midPostNativeEvent == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 277 | ALOGE("Can't find Visualizer.%s", "postEventFromNative"); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 278 | return; |
| 279 | } |
| 280 | |
| 281 | // Get the variables fields |
| 282 | // nativeTrackInJavaObj |
| 283 | fields.fidNativeVisualizer = env->GetFieldID( |
| 284 | fields.clazzEffect, |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 285 | "mNativeVisualizer", "J"); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 286 | if (fields.fidNativeVisualizer == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 287 | ALOGE("Can't find Visualizer.%s", "mNativeVisualizer"); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 288 | return; |
| 289 | } |
| 290 | // fidJniData; |
| 291 | fields.fidJniData = env->GetFieldID( |
| 292 | fields.clazzEffect, |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 293 | "mJniData", "J"); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 294 | if (fields.fidJniData == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 295 | ALOGE("Can't find Visualizer.%s", "mJniData"); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 296 | return; |
| 297 | } |
Jean-Michel Trivi | badca26 | 2013-09-20 10:48:55 -0700 | [diff] [blame] | 298 | // fidPeak |
| 299 | fields.fidPeak = env->GetFieldID( |
| 300 | clazzMeasurementPeakRms, |
| 301 | "mPeak", "I"); |
| 302 | if (fields.fidPeak == NULL) { |
| 303 | ALOGE("Can't find Visualizer.MeasurementPeakRms.%s", "mPeak"); |
| 304 | return; |
| 305 | } |
| 306 | // fidRms |
| 307 | fields.fidRms = env->GetFieldID( |
| 308 | clazzMeasurementPeakRms, |
| 309 | "mRms", "I"); |
| 310 | if (fields.fidRms == NULL) { |
| 311 | ALOGE("Can't find Visualizer.MeasurementPeakRms.%s", "mPeak"); |
| 312 | return; |
| 313 | } |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 314 | |
Jean-Michel Trivi | badca26 | 2013-09-20 10:48:55 -0700 | [diff] [blame] | 315 | env->DeleteGlobalRef(clazzMeasurementPeakRms); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 316 | } |
| 317 | |
John Grossman | 3540a01 | 2012-01-11 12:23:42 -0800 | [diff] [blame] | 318 | static void android_media_visualizer_effect_callback(int32_t event, |
| 319 | void *user, |
| 320 | void *info) { |
| 321 | if ((event == AudioEffect::EVENT_ERROR) && |
| 322 | (*((status_t*)info) == DEAD_OBJECT)) { |
| 323 | visualizerJniStorage* lpJniStorage = (visualizerJniStorage*)user; |
| 324 | visualizer_callback_cookie* callbackInfo = &lpJniStorage->mCallbackData; |
| 325 | JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| 326 | |
| 327 | env->CallStaticVoidMethod( |
| 328 | callbackInfo->visualizer_class, |
| 329 | fields.midPostNativeEvent, |
| 330 | callbackInfo->visualizer_ref, |
| 331 | NATIVE_EVENT_SERVER_DIED, |
| 332 | 0, 0, 0); |
| 333 | } |
| 334 | } |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 335 | |
| 336 | static jint |
| 337 | android_media_visualizer_native_setup(JNIEnv *env, jobject thiz, jobject weak_this, |
| 338 | jint sessionId, jintArray jId) |
| 339 | { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 340 | ALOGV("android_media_visualizer_native_setup"); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 341 | visualizerJniStorage* lpJniStorage = NULL; |
| 342 | int lStatus = VISUALIZER_ERROR_NO_MEMORY; |
| 343 | Visualizer* lpVisualizer = NULL; |
| 344 | jint* nId = NULL; |
| 345 | |
| 346 | lpJniStorage = new visualizerJniStorage(); |
| 347 | if (lpJniStorage == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 348 | ALOGE("setup: Error creating JNI Storage"); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 349 | goto setup_failure; |
| 350 | } |
| 351 | |
| 352 | lpJniStorage->mCallbackData.visualizer_class = (jclass)env->NewGlobalRef(fields.clazzEffect); |
| 353 | // we use a weak reference so the Visualizer object can be garbage collected. |
| 354 | lpJniStorage->mCallbackData.visualizer_ref = env->NewGlobalRef(weak_this); |
| 355 | |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 356 | ALOGV("setup: lpJniStorage: %p visualizer_ref %p visualizer_class %p, &mCallbackData %p", |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 357 | lpJniStorage, |
| 358 | lpJniStorage->mCallbackData.visualizer_ref, |
| 359 | lpJniStorage->mCallbackData.visualizer_class, |
| 360 | &lpJniStorage->mCallbackData); |
| 361 | |
Eric Laurent | 2fb43ef | 2010-09-24 12:03:36 -0700 | [diff] [blame] | 362 | if (jId == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 363 | ALOGE("setup: NULL java array for id pointer"); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 364 | lStatus = VISUALIZER_ERROR_BAD_VALUE; |
| 365 | goto setup_failure; |
| 366 | } |
| 367 | |
| 368 | // create the native Visualizer object |
| 369 | lpVisualizer = new Visualizer(0, |
John Grossman | 3540a01 | 2012-01-11 12:23:42 -0800 | [diff] [blame] | 370 | android_media_visualizer_effect_callback, |
| 371 | lpJniStorage, |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 372 | sessionId); |
| 373 | if (lpVisualizer == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 374 | ALOGE("Error creating Visualizer"); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 375 | goto setup_failure; |
| 376 | } |
| 377 | |
| 378 | lStatus = translateError(lpVisualizer->initCheck()); |
| 379 | if (lStatus != VISUALIZER_SUCCESS && lStatus != VISUALIZER_ERROR_ALREADY_EXISTS) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 380 | ALOGE("Visualizer initCheck failed %d", lStatus); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 381 | goto setup_failure; |
| 382 | } |
| 383 | |
Eric Laurent | 2fb43ef | 2010-09-24 12:03:36 -0700 | [diff] [blame] | 384 | nId = (jint *) env->GetPrimitiveArrayCritical(jId, NULL); |
| 385 | if (nId == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 386 | ALOGE("setup: Error retrieving id pointer"); |
Eric Laurent | 2fb43ef | 2010-09-24 12:03:36 -0700 | [diff] [blame] | 387 | lStatus = VISUALIZER_ERROR_BAD_VALUE; |
| 388 | goto setup_failure; |
| 389 | } |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 390 | nId[0] = lpVisualizer->id(); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 391 | env->ReleasePrimitiveArrayCritical(jId, nId, 0); |
| 392 | nId = NULL; |
| 393 | |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 394 | env->SetLongField(thiz, fields.fidNativeVisualizer, (jlong)lpVisualizer); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 395 | |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 396 | env->SetLongField(thiz, fields.fidJniData, (jlong)lpJniStorage); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 397 | |
| 398 | return VISUALIZER_SUCCESS; |
| 399 | |
| 400 | // failures: |
| 401 | setup_failure: |
| 402 | |
| 403 | if (nId != NULL) { |
| 404 | env->ReleasePrimitiveArrayCritical(jId, nId, 0); |
| 405 | } |
| 406 | |
| 407 | if (lpVisualizer) { |
| 408 | delete lpVisualizer; |
| 409 | } |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 410 | env->SetLongField(thiz, fields.fidNativeVisualizer, 0); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 411 | |
| 412 | if (lpJniStorage) { |
| 413 | delete lpJniStorage; |
| 414 | } |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 415 | env->SetLongField(thiz, fields.fidJniData, 0); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 416 | |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 417 | return (jint) lStatus; |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 418 | } |
| 419 | |
| 420 | // ---------------------------------------------------------------------------- |
| 421 | static void android_media_visualizer_native_finalize(JNIEnv *env, jobject thiz) { |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 422 | ALOGV("android_media_visualizer_native_finalize jobject: %p\n", thiz); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 423 | |
| 424 | // delete the Visualizer object |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 425 | Visualizer* lpVisualizer = (Visualizer *)env->GetLongField( |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 426 | thiz, fields.fidNativeVisualizer); |
| 427 | if (lpVisualizer) { |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 428 | ALOGV("deleting Visualizer: %p\n", lpVisualizer); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 429 | delete lpVisualizer; |
| 430 | } |
| 431 | |
| 432 | // delete the JNI data |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 433 | visualizerJniStorage* lpJniStorage = (visualizerJniStorage *)env->GetLongField( |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 434 | thiz, fields.fidJniData); |
| 435 | if (lpJniStorage) { |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 436 | ALOGV("deleting pJniStorage: %p\n", lpJniStorage); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 437 | delete lpJniStorage; |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | // ---------------------------------------------------------------------------- |
| 442 | static void android_media_visualizer_native_release(JNIEnv *env, jobject thiz) { |
| 443 | |
| 444 | // do everything a call to finalize would |
| 445 | android_media_visualizer_native_finalize(env, thiz); |
| 446 | // + reset the native resources in the Java object so any attempt to access |
| 447 | // them after a call to release fails. |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 448 | env->SetLongField(thiz, fields.fidNativeVisualizer, 0); |
| 449 | env->SetLongField(thiz, fields.fidJniData, 0); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 450 | } |
| 451 | |
| 452 | static jint |
| 453 | android_media_visualizer_native_setEnabled(JNIEnv *env, jobject thiz, jboolean enabled) |
| 454 | { |
| 455 | Visualizer* lpVisualizer = getVisualizer(env, thiz); |
| 456 | if (lpVisualizer == NULL) { |
| 457 | return VISUALIZER_ERROR_NO_INIT; |
| 458 | } |
| 459 | |
John Grossman | 449725f | 2012-01-10 12:17:03 -0800 | [diff] [blame] | 460 | jint retVal = translateError(lpVisualizer->setEnabled(enabled)); |
| 461 | |
| 462 | if (!enabled) { |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 463 | visualizerJniStorage* lpJniStorage = (visualizerJniStorage *)env->GetLongField( |
John Grossman | 449725f | 2012-01-10 12:17:03 -0800 | [diff] [blame] | 464 | thiz, fields.fidJniData); |
| 465 | |
| 466 | if (NULL != lpJniStorage) |
| 467 | lpJniStorage->mCallbackData.cleanupBuffers(); |
| 468 | } |
| 469 | |
| 470 | return retVal; |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 471 | } |
| 472 | |
| 473 | static jboolean |
| 474 | android_media_visualizer_native_getEnabled(JNIEnv *env, jobject thiz) |
| 475 | { |
| 476 | Visualizer* lpVisualizer = getVisualizer(env, thiz); |
| 477 | if (lpVisualizer == NULL) { |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 478 | return JNI_FALSE; |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 479 | } |
| 480 | |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 481 | if (lpVisualizer->getEnabled()) { |
| 482 | return JNI_TRUE; |
| 483 | } else { |
| 484 | return JNI_FALSE; |
| 485 | } |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 486 | } |
| 487 | |
| 488 | static jintArray |
| 489 | android_media_visualizer_native_getCaptureSizeRange(JNIEnv *env, jobject thiz) |
| 490 | { |
| 491 | jintArray jRange = env->NewIntArray(2); |
| 492 | jint *nRange = env->GetIntArrayElements(jRange, NULL); |
| 493 | nRange[0] = Visualizer::getMinCaptureSize(); |
| 494 | nRange[1] = Visualizer::getMaxCaptureSize(); |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 495 | ALOGV("getCaptureSizeRange() min %d max %d", nRange[0], nRange[1]); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 496 | env->ReleaseIntArrayElements(jRange, nRange, 0); |
| 497 | return jRange; |
| 498 | } |
| 499 | |
| 500 | static jint |
| 501 | android_media_visualizer_native_getMaxCaptureRate(JNIEnv *env, jobject thiz) |
| 502 | { |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 503 | return (jint) Visualizer::getMaxCaptureRate(); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 504 | } |
| 505 | |
| 506 | static jint |
| 507 | android_media_visualizer_native_setCaptureSize(JNIEnv *env, jobject thiz, jint size) |
| 508 | { |
| 509 | Visualizer* lpVisualizer = getVisualizer(env, thiz); |
| 510 | if (lpVisualizer == NULL) { |
| 511 | return VISUALIZER_ERROR_NO_INIT; |
| 512 | } |
| 513 | |
| 514 | return translateError(lpVisualizer->setCaptureSize(size)); |
| 515 | } |
| 516 | |
| 517 | static jint |
| 518 | android_media_visualizer_native_getCaptureSize(JNIEnv *env, jobject thiz) |
| 519 | { |
| 520 | Visualizer* lpVisualizer = getVisualizer(env, thiz); |
| 521 | if (lpVisualizer == NULL) { |
| 522 | return -1; |
| 523 | } |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 524 | return (jint) lpVisualizer->getCaptureSize(); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 525 | } |
| 526 | |
| 527 | static jint |
Jean-Michel Trivi | e1123e7 | 2012-04-15 17:22:01 -0700 | [diff] [blame] | 528 | android_media_visualizer_native_setScalingMode(JNIEnv *env, jobject thiz, jint mode) |
| 529 | { |
| 530 | Visualizer* lpVisualizer = getVisualizer(env, thiz); |
| 531 | if (lpVisualizer == NULL) { |
| 532 | return VISUALIZER_ERROR_NO_INIT; |
| 533 | } |
| 534 | |
| 535 | return translateError(lpVisualizer->setScalingMode(mode)); |
| 536 | } |
| 537 | |
| 538 | static jint |
| 539 | android_media_visualizer_native_getScalingMode(JNIEnv *env, jobject thiz) |
| 540 | { |
| 541 | Visualizer* lpVisualizer = getVisualizer(env, thiz); |
| 542 | if (lpVisualizer == NULL) { |
| 543 | return -1; |
| 544 | } |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 545 | return (jint)lpVisualizer->getScalingMode(); |
Jean-Michel Trivi | e1123e7 | 2012-04-15 17:22:01 -0700 | [diff] [blame] | 546 | } |
| 547 | |
| 548 | static jint |
Jean-Michel Trivi | badca26 | 2013-09-20 10:48:55 -0700 | [diff] [blame] | 549 | android_media_visualizer_native_setMeasurementMode(JNIEnv *env, jobject thiz, jint mode) |
| 550 | { |
| 551 | Visualizer* lpVisualizer = getVisualizer(env, thiz); |
| 552 | if (lpVisualizer == NULL) { |
| 553 | return VISUALIZER_ERROR_NO_INIT; |
| 554 | } |
| 555 | return translateError(lpVisualizer->setMeasurementMode(mode)); |
| 556 | } |
| 557 | |
| 558 | static jint |
| 559 | android_media_visualizer_native_getMeasurementMode(JNIEnv *env, jobject thiz) |
| 560 | { |
| 561 | Visualizer* lpVisualizer = getVisualizer(env, thiz); |
| 562 | if (lpVisualizer == NULL) { |
| 563 | return MEASUREMENT_MODE_NONE; |
| 564 | } |
| 565 | return lpVisualizer->getMeasurementMode(); |
| 566 | } |
| 567 | |
| 568 | static jint |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 569 | android_media_visualizer_native_getSamplingRate(JNIEnv *env, jobject thiz) |
| 570 | { |
| 571 | Visualizer* lpVisualizer = getVisualizer(env, thiz); |
| 572 | if (lpVisualizer == NULL) { |
| 573 | return -1; |
| 574 | } |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 575 | return (jint) lpVisualizer->getSamplingRate(); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 576 | } |
| 577 | |
| 578 | static jint |
| 579 | android_media_visualizer_native_getWaveForm(JNIEnv *env, jobject thiz, jbyteArray jWaveform) |
| 580 | { |
| 581 | Visualizer* lpVisualizer = getVisualizer(env, thiz); |
| 582 | if (lpVisualizer == NULL) { |
| 583 | return VISUALIZER_ERROR_NO_INIT; |
| 584 | } |
| 585 | |
| 586 | jbyte* nWaveform = (jbyte *) env->GetPrimitiveArrayCritical(jWaveform, NULL); |
| 587 | if (nWaveform == NULL) { |
| 588 | return VISUALIZER_ERROR_NO_MEMORY; |
| 589 | } |
| 590 | jint status = translateError(lpVisualizer->getWaveForm((uint8_t *)nWaveform)); |
| 591 | |
| 592 | env->ReleasePrimitiveArrayCritical(jWaveform, nWaveform, 0); |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 593 | return status; |
| 594 | } |
| 595 | |
| 596 | static jint |
| 597 | android_media_visualizer_native_getFft(JNIEnv *env, jobject thiz, jbyteArray jFft) |
| 598 | { |
| 599 | Visualizer* lpVisualizer = getVisualizer(env, thiz); |
| 600 | if (lpVisualizer == NULL) { |
| 601 | return VISUALIZER_ERROR_NO_INIT; |
| 602 | } |
| 603 | |
| 604 | jbyte* nFft = (jbyte *) env->GetPrimitiveArrayCritical(jFft, NULL); |
| 605 | if (nFft == NULL) { |
| 606 | return VISUALIZER_ERROR_NO_MEMORY; |
| 607 | } |
| 608 | jint status = translateError(lpVisualizer->getFft((uint8_t *)nFft)); |
| 609 | |
| 610 | env->ReleasePrimitiveArrayCritical(jFft, nFft, 0); |
| 611 | |
| 612 | return status; |
| 613 | } |
| 614 | |
| 615 | static jint |
Jean-Michel Trivi | badca26 | 2013-09-20 10:48:55 -0700 | [diff] [blame] | 616 | android_media_visualizer_native_getPeakRms(JNIEnv *env, jobject thiz, jobject jPeakRmsObj) |
| 617 | { |
| 618 | Visualizer* lpVisualizer = getVisualizer(env, thiz); |
| 619 | if (lpVisualizer == NULL) { |
| 620 | return VISUALIZER_ERROR_NO_INIT; |
| 621 | } |
| 622 | int32_t measurements[2]; |
| 623 | jint status = translateError( |
| 624 | lpVisualizer->getIntMeasurements(MEASUREMENT_MODE_PEAK_RMS, |
| 625 | 2, measurements)); |
| 626 | if (status == VISUALIZER_SUCCESS) { |
| 627 | // measurement worked, write the values to the java object |
| 628 | env->SetIntField(jPeakRmsObj, fields.fidPeak, measurements[MEASUREMENT_IDX_PEAK]); |
| 629 | env->SetIntField(jPeakRmsObj, fields.fidRms, measurements[MEASUREMENT_IDX_RMS]); |
| 630 | } |
| 631 | return status; |
| 632 | } |
| 633 | |
| 634 | static jint |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 635 | android_media_setPeriodicCapture(JNIEnv *env, jobject thiz, jint rate, jboolean jWaveform, jboolean jFft) |
| 636 | { |
| 637 | Visualizer* lpVisualizer = getVisualizer(env, thiz); |
| 638 | if (lpVisualizer == NULL) { |
| 639 | return VISUALIZER_ERROR_NO_INIT; |
| 640 | } |
Ashok Bhat | ea7861c | 2013-12-17 12:42:00 +0000 | [diff] [blame] | 641 | visualizerJniStorage* lpJniStorage = (visualizerJniStorage *)env->GetLongField(thiz, |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 642 | fields.fidJniData); |
| 643 | if (lpJniStorage == NULL) { |
| 644 | return VISUALIZER_ERROR_NO_INIT; |
| 645 | } |
| 646 | |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 647 | ALOGV("setPeriodicCapture: rate %d, jWaveform %d jFft %d", |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 648 | rate, |
| 649 | jWaveform, |
| 650 | jFft); |
| 651 | |
| 652 | uint32_t flags = Visualizer::CAPTURE_CALL_JAVA; |
| 653 | if (jWaveform) flags |= Visualizer::CAPTURE_WAVEFORM; |
| 654 | if (jFft) flags |= Visualizer::CAPTURE_FFT; |
| 655 | Visualizer::capture_cbk_t cbk = captureCallback; |
| 656 | if (!jWaveform && !jFft) cbk = NULL; |
| 657 | |
| 658 | return translateError(lpVisualizer->setCaptureCallBack(cbk, |
| 659 | &lpJniStorage->mCallbackData, |
| 660 | flags, |
| 661 | rate)); |
| 662 | } |
| 663 | |
| 664 | // ---------------------------------------------------------------------------- |
| 665 | |
| 666 | // Dalvik VM type signatures |
| 667 | static JNINativeMethod gMethods[] = { |
| 668 | {"native_init", "()V", (void *)android_media_visualizer_native_init}, |
| 669 | {"native_setup", "(Ljava/lang/Object;I[I)I", |
| 670 | (void *)android_media_visualizer_native_setup}, |
| 671 | {"native_finalize", "()V", (void *)android_media_visualizer_native_finalize}, |
| 672 | {"native_release", "()V", (void *)android_media_visualizer_native_release}, |
| 673 | {"native_setEnabled", "(Z)I", (void *)android_media_visualizer_native_setEnabled}, |
| 674 | {"native_getEnabled", "()Z", (void *)android_media_visualizer_native_getEnabled}, |
| 675 | {"getCaptureSizeRange", "()[I", (void *)android_media_visualizer_native_getCaptureSizeRange}, |
| 676 | {"getMaxCaptureRate", "()I", (void *)android_media_visualizer_native_getMaxCaptureRate}, |
| 677 | {"native_setCaptureSize", "(I)I", (void *)android_media_visualizer_native_setCaptureSize}, |
| 678 | {"native_getCaptureSize", "()I", (void *)android_media_visualizer_native_getCaptureSize}, |
Jean-Michel Trivi | e1123e7 | 2012-04-15 17:22:01 -0700 | [diff] [blame] | 679 | {"native_setScalingMode", "(I)I", (void *)android_media_visualizer_native_setScalingMode}, |
| 680 | {"native_getScalingMode", "()I", (void *)android_media_visualizer_native_getScalingMode}, |
Jean-Michel Trivi | badca26 | 2013-09-20 10:48:55 -0700 | [diff] [blame] | 681 | {"native_setMeasurementMode","(I)I", (void *)android_media_visualizer_native_setMeasurementMode}, |
| 682 | {"native_getMeasurementMode","()I", (void *)android_media_visualizer_native_getMeasurementMode}, |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 683 | {"native_getSamplingRate", "()I", (void *)android_media_visualizer_native_getSamplingRate}, |
| 684 | {"native_getWaveForm", "([B)I", (void *)android_media_visualizer_native_getWaveForm}, |
| 685 | {"native_getFft", "([B)I", (void *)android_media_visualizer_native_getFft}, |
Jean-Michel Trivi | badca26 | 2013-09-20 10:48:55 -0700 | [diff] [blame] | 686 | {"native_getPeakRms", "(Landroid/media/audiofx/Visualizer$MeasurementPeakRms;)I", |
| 687 | (void *)android_media_visualizer_native_getPeakRms}, |
Eric Laurent | df9b81c | 2010-07-02 08:12:41 -0700 | [diff] [blame] | 688 | {"native_setPeriodicCapture","(IZZ)I",(void *)android_media_setPeriodicCapture}, |
| 689 | }; |
| 690 | |
| 691 | // ---------------------------------------------------------------------------- |
| 692 | |
| 693 | int register_android_media_visualizer(JNIEnv *env) |
| 694 | { |
| 695 | return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); |
| 696 | } |
| 697 | |