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 | |
| 17 | #include <stdio.h> |
| 18 | |
| 19 | //#define LOG_NDEBUG 0 |
Dave Sparks | f6e43bf | 2009-12-08 08:10:42 -0800 | [diff] [blame] | 20 | #define LOG_TAG "SoundPool-JNI" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 21 | |
| 22 | #include <utils/Log.h> |
| 23 | #include <nativehelper/jni.h> |
| 24 | #include <nativehelper/JNIHelp.h> |
| 25 | #include <android_runtime/AndroidRuntime.h> |
| 26 | #include "SoundPool.h" |
| 27 | |
| 28 | using namespace android; |
| 29 | |
| 30 | static struct fields_t { |
| 31 | jfieldID mNativeContext; |
Dave Sparks | f6e43bf | 2009-12-08 08:10:42 -0800 | [diff] [blame] | 32 | jmethodID mPostEvent; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 33 | jclass mSoundPoolClass; |
| 34 | } fields; |
| 35 | |
| 36 | static inline SoundPool* MusterSoundPool(JNIEnv *env, jobject thiz) { |
| 37 | return (SoundPool*)env->GetIntField(thiz, fields.mNativeContext); |
| 38 | } |
| 39 | |
| 40 | // ---------------------------------------------------------------------------- |
| 41 | static int |
| 42 | android_media_SoundPool_load_URL(JNIEnv *env, jobject thiz, jstring path, jint priority) |
| 43 | { |
| 44 | LOGV("android_media_SoundPool_load_URL"); |
| 45 | SoundPool *ap = MusterSoundPool(env, thiz); |
| 46 | if (path == NULL) { |
| 47 | jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| 48 | return 0; |
| 49 | } |
| 50 | const char* s = env->GetStringUTFChars(path, NULL); |
| 51 | int id = ap->load(s, priority); |
| 52 | env->ReleaseStringUTFChars(path, s); |
| 53 | return id; |
| 54 | } |
| 55 | |
| 56 | static int |
| 57 | android_media_SoundPool_load_FD(JNIEnv *env, jobject thiz, jobject fileDescriptor, |
| 58 | jlong offset, jlong length, jint priority) |
| 59 | { |
| 60 | LOGV("android_media_SoundPool_load_FD"); |
| 61 | SoundPool *ap = MusterSoundPool(env, thiz); |
| 62 | if (ap == NULL) return 0; |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 63 | return ap->load(jniGetFDFromFileDescriptor(env, fileDescriptor), |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 64 | int64_t(offset), int64_t(length), int(priority)); |
| 65 | } |
| 66 | |
| 67 | static bool |
| 68 | android_media_SoundPool_unload(JNIEnv *env, jobject thiz, jint sampleID) { |
| 69 | LOGV("android_media_SoundPool_unload\n"); |
| 70 | SoundPool *ap = MusterSoundPool(env, thiz); |
| 71 | if (ap == NULL) return 0; |
| 72 | return ap->unload(sampleID); |
| 73 | } |
| 74 | |
| 75 | static int |
| 76 | android_media_SoundPool_play(JNIEnv *env, jobject thiz, jint sampleID, |
| 77 | jfloat leftVolume, jfloat rightVolume, jint priority, jint loop, |
| 78 | jfloat rate) |
| 79 | { |
| 80 | LOGV("android_media_SoundPool_play\n"); |
| 81 | SoundPool *ap = MusterSoundPool(env, thiz); |
| 82 | if (ap == NULL) return 0; |
| 83 | return ap->play(sampleID, leftVolume, rightVolume, priority, loop, rate); |
| 84 | } |
| 85 | |
| 86 | static void |
| 87 | android_media_SoundPool_pause(JNIEnv *env, jobject thiz, jint channelID) |
| 88 | { |
| 89 | LOGV("android_media_SoundPool_pause"); |
| 90 | SoundPool *ap = MusterSoundPool(env, thiz); |
| 91 | if (ap == NULL) return; |
| 92 | ap->pause(channelID); |
| 93 | } |
| 94 | |
| 95 | static void |
| 96 | android_media_SoundPool_resume(JNIEnv *env, jobject thiz, jint channelID) |
| 97 | { |
| 98 | LOGV("android_media_SoundPool_resume"); |
| 99 | SoundPool *ap = MusterSoundPool(env, thiz); |
| 100 | if (ap == NULL) return; |
| 101 | ap->resume(channelID); |
| 102 | } |
| 103 | |
| 104 | static void |
Dave Sparks | f992cbb | 2010-02-09 13:00:09 -0800 | [diff] [blame] | 105 | android_media_SoundPool_autoPause(JNIEnv *env, jobject thiz) |
| 106 | { |
| 107 | LOGV("android_media_SoundPool_autoPause"); |
| 108 | SoundPool *ap = MusterSoundPool(env, thiz); |
| 109 | if (ap == NULL) return; |
| 110 | ap->autoPause(); |
| 111 | } |
| 112 | |
| 113 | static void |
| 114 | android_media_SoundPool_autoResume(JNIEnv *env, jobject thiz) |
| 115 | { |
| 116 | LOGV("android_media_SoundPool_autoResume"); |
| 117 | SoundPool *ap = MusterSoundPool(env, thiz); |
| 118 | if (ap == NULL) return; |
| 119 | ap->autoResume(); |
| 120 | } |
| 121 | |
| 122 | static void |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 123 | android_media_SoundPool_stop(JNIEnv *env, jobject thiz, jint channelID) |
| 124 | { |
| 125 | LOGV("android_media_SoundPool_stop"); |
| 126 | SoundPool *ap = MusterSoundPool(env, thiz); |
| 127 | if (ap == NULL) return; |
| 128 | ap->stop(channelID); |
| 129 | } |
| 130 | |
| 131 | static void |
| 132 | android_media_SoundPool_setVolume(JNIEnv *env, jobject thiz, jint channelID, |
| 133 | float leftVolume, float rightVolume) |
| 134 | { |
| 135 | LOGV("android_media_SoundPool_setVolume"); |
| 136 | SoundPool *ap = MusterSoundPool(env, thiz); |
| 137 | if (ap == NULL) return; |
| 138 | ap->setVolume(channelID, leftVolume, rightVolume); |
| 139 | } |
| 140 | |
| 141 | static void |
| 142 | android_media_SoundPool_setPriority(JNIEnv *env, jobject thiz, jint channelID, |
| 143 | int priority) |
| 144 | { |
| 145 | LOGV("android_media_SoundPool_setPriority"); |
| 146 | SoundPool *ap = MusterSoundPool(env, thiz); |
| 147 | if (ap == NULL) return; |
| 148 | ap->setPriority(channelID, priority); |
| 149 | } |
| 150 | |
| 151 | static void |
| 152 | android_media_SoundPool_setLoop(JNIEnv *env, jobject thiz, jint channelID, |
| 153 | int loop) |
| 154 | { |
| 155 | LOGV("android_media_SoundPool_setLoop"); |
| 156 | SoundPool *ap = MusterSoundPool(env, thiz); |
| 157 | if (ap == NULL) return; |
| 158 | ap->setLoop(channelID, loop); |
| 159 | } |
| 160 | |
| 161 | static void |
| 162 | android_media_SoundPool_setRate(JNIEnv *env, jobject thiz, jint channelID, |
| 163 | float rate) |
| 164 | { |
| 165 | LOGV("android_media_SoundPool_setRate"); |
| 166 | SoundPool *ap = MusterSoundPool(env, thiz); |
| 167 | if (ap == NULL) return; |
| 168 | ap->setRate(channelID, rate); |
| 169 | } |
| 170 | |
Dave Sparks | f6e43bf | 2009-12-08 08:10:42 -0800 | [diff] [blame] | 171 | static void android_media_callback(SoundPoolEvent event, SoundPool* soundPool, void* user) |
| 172 | { |
| 173 | LOGV("callback: (%d, %d, %d, %p, %p)", event.mMsg, event.mArg1, event.mArg2, soundPool, user); |
| 174 | JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| 175 | env->CallStaticVoidMethod(fields.mSoundPoolClass, fields.mPostEvent, user, event.mMsg, event.mArg1, event.mArg2, NULL); |
| 176 | } |
| 177 | |
| 178 | static jint |
| 179 | android_media_SoundPool_native_setup(JNIEnv *env, jobject thiz, jobject weakRef, jint maxChannels, jint streamType, jint srcQuality) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 180 | { |
| 181 | LOGV("android_media_SoundPool_native_setup"); |
Dave Sparks | c0e3ddf | 2009-12-07 12:36:20 -0800 | [diff] [blame] | 182 | SoundPool *ap = new SoundPool(maxChannels, streamType, srcQuality); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 183 | if (ap == NULL) { |
Dave Sparks | f6e43bf | 2009-12-08 08:10:42 -0800 | [diff] [blame] | 184 | return -1; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 185 | } |
| 186 | |
| 187 | // save pointer to SoundPool C++ object in opaque field in Java object |
| 188 | env->SetIntField(thiz, fields.mNativeContext, (int)ap); |
Dave Sparks | f6e43bf | 2009-12-08 08:10:42 -0800 | [diff] [blame] | 189 | |
| 190 | // set callback with weak reference |
| 191 | jobject globalWeakRef = env->NewGlobalRef(weakRef); |
| 192 | ap->setCallback(android_media_callback, globalWeakRef); |
| 193 | return 0; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 194 | } |
| 195 | |
| 196 | static void |
| 197 | android_media_SoundPool_release(JNIEnv *env, jobject thiz) |
| 198 | { |
| 199 | LOGV("android_media_SoundPool_release"); |
| 200 | SoundPool *ap = MusterSoundPool(env, thiz); |
| 201 | if (ap != NULL) { |
Dave Sparks | f6e43bf | 2009-12-08 08:10:42 -0800 | [diff] [blame] | 202 | |
| 203 | // release weak reference |
| 204 | jobject weakRef = (jobject) ap->getUserData(); |
| 205 | if (weakRef != NULL) { |
| 206 | env->DeleteGlobalRef(weakRef); |
| 207 | } |
| 208 | |
| 209 | // clear callback and native context |
| 210 | ap->setCallback(NULL, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 211 | env->SetIntField(thiz, fields.mNativeContext, 0); |
| 212 | delete ap; |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | // ---------------------------------------------------------------------------- |
| 217 | |
| 218 | // Dalvik VM type signatures |
| 219 | static JNINativeMethod gMethods[] = { |
| 220 | { "_load", |
| 221 | "(Ljava/lang/String;I)I", |
| 222 | (void *)android_media_SoundPool_load_URL |
| 223 | }, |
| 224 | { "_load", |
| 225 | "(Ljava/io/FileDescriptor;JJI)I", |
| 226 | (void *)android_media_SoundPool_load_FD |
| 227 | }, |
| 228 | { "unload", |
| 229 | "(I)Z", |
| 230 | (void *)android_media_SoundPool_unload |
| 231 | }, |
| 232 | { "play", |
| 233 | "(IFFIIF)I", |
| 234 | (void *)android_media_SoundPool_play |
| 235 | }, |
| 236 | { "pause", |
| 237 | "(I)V", |
| 238 | (void *)android_media_SoundPool_pause |
| 239 | }, |
| 240 | { "resume", |
| 241 | "(I)V", |
| 242 | (void *)android_media_SoundPool_resume |
| 243 | }, |
Dave Sparks | f992cbb | 2010-02-09 13:00:09 -0800 | [diff] [blame] | 244 | { "autoPause", |
| 245 | "()V", |
| 246 | (void *)android_media_SoundPool_autoPause |
| 247 | }, |
| 248 | { "autoResume", |
| 249 | "()V", |
| 250 | (void *)android_media_SoundPool_autoResume |
| 251 | }, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 252 | { "stop", |
| 253 | "(I)V", |
| 254 | (void *)android_media_SoundPool_stop |
| 255 | }, |
| 256 | { "setVolume", |
| 257 | "(IFF)V", |
| 258 | (void *)android_media_SoundPool_setVolume |
| 259 | }, |
| 260 | { "setPriority", |
| 261 | "(II)V", |
| 262 | (void *)android_media_SoundPool_setPriority |
| 263 | }, |
| 264 | { "setLoop", |
| 265 | "(II)V", |
| 266 | (void *)android_media_SoundPool_setLoop |
| 267 | }, |
| 268 | { "setRate", |
| 269 | "(IF)V", |
| 270 | (void *)android_media_SoundPool_setRate |
| 271 | }, |
| 272 | { "native_setup", |
Dave Sparks | f6e43bf | 2009-12-08 08:10:42 -0800 | [diff] [blame] | 273 | "(Ljava/lang/Object;III)I", |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 274 | (void*)android_media_SoundPool_native_setup |
| 275 | }, |
| 276 | { "release", |
| 277 | "()V", |
| 278 | (void*)android_media_SoundPool_release |
| 279 | } |
| 280 | }; |
| 281 | |
| 282 | static const char* const kClassPathName = "android/media/SoundPool"; |
| 283 | |
| 284 | jint JNI_OnLoad(JavaVM* vm, void* reserved) |
| 285 | { |
| 286 | JNIEnv* env = NULL; |
| 287 | jint result = -1; |
| 288 | jclass clazz; |
| 289 | |
| 290 | if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) { |
| 291 | LOGE("ERROR: GetEnv failed\n"); |
| 292 | goto bail; |
| 293 | } |
| 294 | assert(env != NULL); |
| 295 | |
| 296 | clazz = env->FindClass(kClassPathName); |
| 297 | if (clazz == NULL) { |
| 298 | LOGE("Can't find %s", kClassPathName); |
| 299 | goto bail; |
| 300 | } |
| 301 | |
| 302 | fields.mNativeContext = env->GetFieldID(clazz, "mNativeContext", "I"); |
| 303 | if (fields.mNativeContext == NULL) { |
| 304 | LOGE("Can't find SoundPool.mNativeContext"); |
| 305 | goto bail; |
| 306 | } |
| 307 | |
Dave Sparks | f6e43bf | 2009-12-08 08:10:42 -0800 | [diff] [blame] | 308 | fields.mPostEvent = env->GetStaticMethodID(clazz, "postEventFromNative", |
| 309 | "(Ljava/lang/Object;IIILjava/lang/Object;)V"); |
| 310 | if (fields.mPostEvent == NULL) { |
| 311 | LOGE("Can't find android/media/SoundPool.postEventFromNative"); |
Dave Sparks | 3c56221 | 2009-12-23 17:19:22 -0800 | [diff] [blame] | 312 | goto bail; |
Dave Sparks | f6e43bf | 2009-12-08 08:10:42 -0800 | [diff] [blame] | 313 | } |
| 314 | |
Dave Sparks | 3c56221 | 2009-12-23 17:19:22 -0800 | [diff] [blame] | 315 | // create a reference to class. Technically, we're leaking this reference |
| 316 | // since it's a static object. |
| 317 | fields.mSoundPoolClass = (jclass) env->NewGlobalRef(clazz); |
| 318 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 319 | if (AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)) < 0) |
| 320 | goto bail; |
| 321 | |
| 322 | /* success -- return valid version number */ |
| 323 | result = JNI_VERSION_1_4; |
| 324 | |
| 325 | bail: |
| 326 | return result; |
| 327 | } |