The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | ** |
| 3 | ** Copyright 2008, The Android Open Source Project |
| 4 | ** |
| 5 | ** Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | ** you may not use this file except in compliance with the License. |
| 7 | ** You may obtain a copy of the License at |
| 8 | ** |
| 9 | ** http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | ** |
| 11 | ** Unless required by applicable law or agreed to in writing, software |
| 12 | ** distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | ** See the License for the specific language governing permissions and |
| 15 | ** limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | //#define LOG_NDEBUG 0 |
| 19 | #define LOG_TAG "MediaMetadataRetrieverJNI" |
| 20 | |
| 21 | #include <assert.h> |
| 22 | #include <utils/Log.h> |
| 23 | #include <utils/threads.h> |
| 24 | #include <core/SkBitmap.h> |
| 25 | #include <media/mediametadataretriever.h> |
| 26 | #include <private/media/VideoFrame.h> |
| 27 | |
| 28 | #include "jni.h" |
| 29 | #include "JNIHelp.h" |
| 30 | #include "android_runtime/AndroidRuntime.h" |
| 31 | |
| 32 | |
| 33 | using namespace android; |
| 34 | |
| 35 | struct fields_t { |
| 36 | jfieldID context; |
| 37 | jclass bitmapClazz; |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 38 | jfieldID nativeBitmap; |
James Dong | 53ebc72 | 2010-11-08 16:04:27 -0800 | [diff] [blame] | 39 | jmethodID createBitmapMethod; |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 40 | jclass configClazz; |
| 41 | jmethodID createConfigMethod; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 42 | }; |
| 43 | |
| 44 | static fields_t fields; |
| 45 | static Mutex sLock; |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 46 | static const char* const kClassPathName = "android/media/MediaMetadataRetriever"; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 47 | |
| 48 | static void process_media_retriever_call(JNIEnv *env, status_t opStatus, const char* exception, const char *message) |
| 49 | { |
| 50 | if (opStatus == (status_t) INVALID_OPERATION) { |
| 51 | jniThrowException(env, "java/lang/IllegalStateException", NULL); |
| 52 | } else if (opStatus != (status_t) OK) { |
| 53 | if (strlen(message) > 230) { |
| 54 | // If the message is too long, don't bother displaying the status code. |
| 55 | jniThrowException( env, exception, message); |
| 56 | } else { |
| 57 | char msg[256]; |
| 58 | // Append the status code to the message. |
| 59 | sprintf(msg, "%s: status = 0x%X", message, opStatus); |
| 60 | jniThrowException( env, exception, msg); |
| 61 | } |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | static MediaMetadataRetriever* getRetriever(JNIEnv* env, jobject thiz) |
| 66 | { |
| 67 | // No lock is needed, since it is called internally by other methods that are protected |
| 68 | MediaMetadataRetriever* retriever = (MediaMetadataRetriever*) env->GetIntField(thiz, fields.context); |
| 69 | return retriever; |
| 70 | } |
| 71 | |
| 72 | static void setRetriever(JNIEnv* env, jobject thiz, int retriever) |
| 73 | { |
| 74 | // No lock is needed, since it is called internally by other methods that are protected |
| 75 | MediaMetadataRetriever *old = (MediaMetadataRetriever*) env->GetIntField(thiz, fields.context); |
| 76 | env->SetIntField(thiz, fields.context, retriever); |
| 77 | } |
| 78 | |
| 79 | static void android_media_MediaMetadataRetriever_setDataSource(JNIEnv *env, jobject thiz, jstring path) |
| 80 | { |
| 81 | LOGV("setDataSource"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 82 | MediaMetadataRetriever* retriever = getRetriever(env, thiz); |
| 83 | if (retriever == 0) { |
| 84 | jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); |
| 85 | return; |
| 86 | } |
| 87 | if (!path) { |
| 88 | jniThrowException(env, "java/lang/IllegalArgumentException", "Null pointer"); |
| 89 | return; |
| 90 | } |
| 91 | |
| 92 | const char *pathStr = env->GetStringUTFChars(path, NULL); |
| 93 | if (!pathStr) { // OutOfMemoryError exception already thrown |
| 94 | return; |
| 95 | } |
| 96 | |
| 97 | // Don't let somebody trick us in to reading some random block of memory |
| 98 | if (strncmp("mem://", pathStr, 6) == 0) { |
| 99 | jniThrowException(env, "java/lang/IllegalArgumentException", "Invalid pathname"); |
| 100 | return; |
| 101 | } |
| 102 | |
| 103 | process_media_retriever_call(env, retriever->setDataSource(pathStr), "java/lang/RuntimeException", "setDataSource failed"); |
| 104 | env->ReleaseStringUTFChars(path, pathStr); |
| 105 | } |
| 106 | |
| 107 | static void android_media_MediaMetadataRetriever_setDataSourceFD(JNIEnv *env, jobject thiz, jobject fileDescriptor, jlong offset, jlong length) |
| 108 | { |
| 109 | LOGV("setDataSource"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 110 | MediaMetadataRetriever* retriever = getRetriever(env, thiz); |
| 111 | if (retriever == 0) { |
| 112 | jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); |
| 113 | return; |
| 114 | } |
| 115 | if (!fileDescriptor) { |
| 116 | jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| 117 | return; |
| 118 | } |
| 119 | int fd = getParcelFileDescriptorFD(env, fileDescriptor); |
| 120 | if (offset < 0 || length < 0 || fd < 0) { |
| 121 | if (offset < 0) { |
| 122 | LOGE("negative offset (%lld)", offset); |
| 123 | } |
| 124 | if (length < 0) { |
| 125 | LOGE("negative length (%lld)", length); |
| 126 | } |
| 127 | if (fd < 0) { |
| 128 | LOGE("invalid file descriptor"); |
| 129 | } |
| 130 | jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| 131 | return; |
| 132 | } |
| 133 | process_media_retriever_call(env, retriever->setDataSource(fd, offset, length), "java/lang/RuntimeException", "setDataSource failed"); |
| 134 | } |
| 135 | |
Carl Shapiro | ae12a50 | 2011-01-20 23:13:09 -0800 | [diff] [blame] | 136 | template<typename T> |
| 137 | static void rotate0(T* dst, const T* src, size_t width, size_t height) |
| 138 | { |
| 139 | memcpy(dst, src, width * height * sizeof(T)); |
| 140 | } |
| 141 | |
| 142 | template<typename T> |
| 143 | static void rotate90(T* dst, const T* src, size_t width, size_t height) |
| 144 | { |
| 145 | for (size_t i = 0; i < height; ++i) { |
| 146 | for (size_t j = 0; j < width; ++j) { |
| 147 | dst[j * height + height - 1 - i] = src[i * width + j]; |
| 148 | } |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | template<typename T> |
| 153 | static void rotate180(T* dst, const T* src, size_t width, size_t height) |
| 154 | { |
| 155 | for (size_t i = 0; i < height; ++i) { |
| 156 | for (size_t j = 0; j < width; ++j) { |
| 157 | dst[(height - 1 - i) * width + width - 1 - j] = src[i * width + j]; |
| 158 | } |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | template<typename T> |
| 163 | static void rotate270(T* dst, const T* src, size_t width, size_t height) |
| 164 | { |
| 165 | for (size_t i = 0; i < height; ++i) { |
| 166 | for (size_t j = 0; j < width; ++j) { |
| 167 | dst[(width - 1 - j) * height + i] = src[i * width + j]; |
| 168 | } |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | template<typename T> |
| 173 | static void rotate(T *dst, const T *src, size_t width, size_t height, int angle) |
| 174 | { |
| 175 | switch (angle) { |
| 176 | case 0: |
| 177 | rotate0(dst, src, width, height); |
| 178 | break; |
| 179 | case 90: |
| 180 | rotate90(dst, src, width, height); |
| 181 | break; |
| 182 | case 180: |
| 183 | rotate180(dst, src, width, height); |
| 184 | break; |
| 185 | case 270: |
| 186 | rotate270(dst, src, width, height); |
| 187 | break; |
| 188 | } |
| 189 | } |
| 190 | |
James Dong | faf09ba | 2010-12-02 17:42:08 -0800 | [diff] [blame] | 191 | static jobject android_media_MediaMetadataRetriever_getFrameAtTime(JNIEnv *env, jobject thiz, jlong timeUs, jint option) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 192 | { |
James Dong | faf09ba | 2010-12-02 17:42:08 -0800 | [diff] [blame] | 193 | LOGV("getFrameAtTime: %lld us option: %d", timeUs, option); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 194 | MediaMetadataRetriever* retriever = getRetriever(env, thiz); |
| 195 | if (retriever == 0) { |
| 196 | jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); |
| 197 | return NULL; |
| 198 | } |
| 199 | |
| 200 | // Call native method to retrieve a video frame |
| 201 | VideoFrame *videoFrame = NULL; |
James Dong | faf09ba | 2010-12-02 17:42:08 -0800 | [diff] [blame] | 202 | sp<IMemory> frameMemory = retriever->getFrameAtTime(timeUs, option); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 203 | if (frameMemory != 0) { // cast the shared structure to a VideoFrame object |
| 204 | videoFrame = static_cast<VideoFrame *>(frameMemory->pointer()); |
| 205 | } |
| 206 | if (videoFrame == NULL) { |
James Dong | faf09ba | 2010-12-02 17:42:08 -0800 | [diff] [blame] | 207 | LOGE("getFrameAtTime: videoFrame is a NULL pointer"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 208 | return NULL; |
| 209 | } |
| 210 | |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 211 | LOGV("Dimension = %dx%d and bytes = %d", |
| 212 | videoFrame->mDisplayWidth, |
| 213 | videoFrame->mDisplayHeight, |
| 214 | videoFrame->mSize); |
| 215 | |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 216 | jobject config = env->CallStaticObjectMethod( |
| 217 | fields.configClazz, |
| 218 | fields.createConfigMethod, |
| 219 | SkBitmap::kRGB_565_Config); |
| 220 | |
Carl Shapiro | ae12a50 | 2011-01-20 23:13:09 -0800 | [diff] [blame] | 221 | size_t width, height; |
| 222 | if (videoFrame->mRotationAngle == 90 || videoFrame->mRotationAngle == 270) { |
| 223 | width = videoFrame->mDisplayHeight; |
| 224 | height = videoFrame->mDisplayWidth; |
| 225 | } else { |
| 226 | width = videoFrame->mDisplayWidth; |
| 227 | height = videoFrame->mDisplayHeight; |
| 228 | } |
| 229 | |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 230 | jobject jBitmap = env->CallStaticObjectMethod( |
| 231 | fields.bitmapClazz, |
| 232 | fields.createBitmapMethod, |
Carl Shapiro | ae12a50 | 2011-01-20 23:13:09 -0800 | [diff] [blame] | 233 | width, |
| 234 | height, |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 235 | config); |
Carl Shapiro | ae12a50 | 2011-01-20 23:13:09 -0800 | [diff] [blame] | 236 | |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 237 | SkBitmap *bitmap = |
| 238 | (SkBitmap *) env->GetIntField(jBitmap, fields.nativeBitmap); |
| 239 | |
| 240 | bitmap->lockPixels(); |
Carl Shapiro | ae12a50 | 2011-01-20 23:13:09 -0800 | [diff] [blame] | 241 | rotate((uint16_t*)bitmap->getPixels(), |
| 242 | (uint16_t*)((char*)videoFrame + sizeof(VideoFrame)), |
| 243 | videoFrame->mDisplayWidth, |
| 244 | videoFrame->mDisplayHeight, |
| 245 | videoFrame->mRotationAngle); |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 246 | bitmap->unlockPixels(); |
| 247 | |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 248 | return jBitmap; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 249 | } |
| 250 | |
James Dong | df9b349 | 2011-01-04 15:03:48 -0800 | [diff] [blame] | 251 | static jbyteArray android_media_MediaMetadataRetriever_getEmbeddedPicture( |
| 252 | JNIEnv *env, jobject thiz, jint pictureType) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 253 | { |
James Dong | df9b349 | 2011-01-04 15:03:48 -0800 | [diff] [blame] | 254 | LOGV("getEmbeddedPicture: %d", pictureType); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 255 | MediaMetadataRetriever* retriever = getRetriever(env, thiz); |
| 256 | if (retriever == 0) { |
| 257 | jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); |
| 258 | return NULL; |
| 259 | } |
| 260 | MediaAlbumArt* mediaAlbumArt = NULL; |
James Dong | df9b349 | 2011-01-04 15:03:48 -0800 | [diff] [blame] | 261 | |
| 262 | // FIXME: |
| 263 | // Use pictureType to retrieve the intended embedded picture and also change |
| 264 | // the method name to getEmbeddedPicture(). |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 265 | sp<IMemory> albumArtMemory = retriever->extractAlbumArt(); |
| 266 | if (albumArtMemory != 0) { // cast the shared structure to a MediaAlbumArt object |
| 267 | mediaAlbumArt = static_cast<MediaAlbumArt *>(albumArtMemory->pointer()); |
| 268 | } |
| 269 | if (mediaAlbumArt == NULL) { |
James Dong | df9b349 | 2011-01-04 15:03:48 -0800 | [diff] [blame] | 270 | LOGE("getEmbeddedPicture: Call to getEmbeddedPicture failed."); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 271 | return NULL; |
| 272 | } |
| 273 | |
| 274 | unsigned int len = mediaAlbumArt->mSize; |
| 275 | char* data = (char*) mediaAlbumArt + sizeof(MediaAlbumArt); |
| 276 | jbyteArray array = env->NewByteArray(len); |
| 277 | if (!array) { // OutOfMemoryError exception has already been thrown. |
James Dong | df9b349 | 2011-01-04 15:03:48 -0800 | [diff] [blame] | 278 | LOGE("getEmbeddedPicture: OutOfMemoryError is thrown."); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 279 | } else { |
| 280 | jbyte* bytes = env->GetByteArrayElements(array, NULL); |
| 281 | if (bytes != NULL) { |
| 282 | memcpy(bytes, data, len); |
| 283 | env->ReleaseByteArrayElements(array, bytes, 0); |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | // No need to delete mediaAlbumArt here |
| 288 | return array; |
| 289 | } |
| 290 | |
| 291 | static jobject android_media_MediaMetadataRetriever_extractMetadata(JNIEnv *env, jobject thiz, jint keyCode) |
| 292 | { |
| 293 | LOGV("extractMetadata"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 294 | MediaMetadataRetriever* retriever = getRetriever(env, thiz); |
| 295 | if (retriever == 0) { |
| 296 | jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); |
| 297 | return NULL; |
| 298 | } |
| 299 | const char* value = retriever->extractMetadata(keyCode); |
| 300 | if (!value) { |
| 301 | LOGV("extractMetadata: Metadata is not found"); |
| 302 | return NULL; |
| 303 | } |
| 304 | LOGV("extractMetadata: value (%s) for keyCode(%d)", value, keyCode); |
| 305 | return env->NewStringUTF(value); |
| 306 | } |
| 307 | |
| 308 | static void android_media_MediaMetadataRetriever_release(JNIEnv *env, jobject thiz) |
| 309 | { |
| 310 | LOGV("release"); |
| 311 | Mutex::Autolock lock(sLock); |
| 312 | MediaMetadataRetriever* retriever = getRetriever(env, thiz); |
| 313 | delete retriever; |
| 314 | setRetriever(env, thiz, 0); |
| 315 | } |
| 316 | |
| 317 | static void android_media_MediaMetadataRetriever_native_finalize(JNIEnv *env, jobject thiz) |
| 318 | { |
| 319 | LOGV("native_finalize"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 320 | // No lock is needed, since android_media_MediaMetadataRetriever_release() is protected |
| 321 | android_media_MediaMetadataRetriever_release(env, thiz); |
| 322 | } |
| 323 | |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 324 | // This function gets a field ID, which in turn causes class initialization. |
| 325 | // It is called from a static block in MediaMetadataRetriever, which won't run until the |
| 326 | // first time an instance of this class is used. |
| 327 | static void android_media_MediaMetadataRetriever_native_init(JNIEnv *env) |
| 328 | { |
| 329 | jclass clazz = env->FindClass(kClassPathName); |
| 330 | if (clazz == NULL) { |
| 331 | jniThrowException(env, "java/lang/RuntimeException", "Can't find android/media/MediaMetadataRetriever"); |
| 332 | return; |
| 333 | } |
| 334 | |
| 335 | fields.context = env->GetFieldID(clazz, "mNativeContext", "I"); |
| 336 | if (fields.context == NULL) { |
| 337 | jniThrowException(env, "java/lang/RuntimeException", "Can't find MediaMetadataRetriever.mNativeContext"); |
| 338 | return; |
| 339 | } |
| 340 | |
| 341 | fields.bitmapClazz = env->FindClass("android/graphics/Bitmap"); |
| 342 | if (fields.bitmapClazz == NULL) { |
| 343 | jniThrowException(env, "java/lang/RuntimeException", "Can't find android/graphics/Bitmap"); |
| 344 | return; |
| 345 | } |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 346 | fields.createBitmapMethod = |
| 347 | env->GetStaticMethodID(fields.bitmapClazz, "createBitmap", |
| 348 | "(IILandroid/graphics/Bitmap$Config;)" |
| 349 | "Landroid/graphics/Bitmap;"); |
| 350 | if (fields.createBitmapMethod == NULL) { |
| 351 | jniThrowException(env, "java/lang/RuntimeException", |
| 352 | "Can't find Bitmap.createBitmap(int, int, Config) method"); |
| 353 | return; |
| 354 | } |
| 355 | fields.nativeBitmap = env->GetFieldID(fields.bitmapClazz, "mNativeBitmap", "I"); |
| 356 | if (fields.nativeBitmap == NULL) { |
| 357 | jniThrowException(env, "java/lang/RuntimeException", |
| 358 | "Can't find Bitmap.mNativeBitmap field"); |
| 359 | } |
| 360 | |
| 361 | fields.configClazz = env->FindClass("android/graphics/Bitmap$Config"); |
| 362 | if (fields.configClazz == NULL) { |
| 363 | jniThrowException(env, "java/lang/RuntimeException", |
| 364 | "Can't find Bitmap$Config class"); |
| 365 | return; |
| 366 | } |
| 367 | fields.createConfigMethod = |
| 368 | env->GetStaticMethodID(fields.configClazz, "nativeToConfig", |
| 369 | "(I)Landroid/graphics/Bitmap$Config;"); |
| 370 | if (fields.createConfigMethod == NULL) { |
| 371 | jniThrowException(env, "java/lang/RuntimeException", |
| 372 | "Can't find Bitmap$Config.nativeToConfig(int) method"); |
| 373 | return; |
| 374 | } |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 375 | } |
| 376 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 377 | static void android_media_MediaMetadataRetriever_native_setup(JNIEnv *env, jobject thiz) |
| 378 | { |
| 379 | LOGV("native_setup"); |
| 380 | MediaMetadataRetriever* retriever = new MediaMetadataRetriever(); |
| 381 | if (retriever == 0) { |
| 382 | jniThrowException(env, "java/lang/RuntimeException", "Out of memory"); |
| 383 | return; |
| 384 | } |
| 385 | setRetriever(env, thiz, (int)retriever); |
| 386 | } |
| 387 | |
| 388 | // JNI mapping between Java methods and native methods |
| 389 | static JNINativeMethod nativeMethods[] = { |
| 390 | {"setDataSource", "(Ljava/lang/String;)V", (void *)android_media_MediaMetadataRetriever_setDataSource}, |
| 391 | {"setDataSource", "(Ljava/io/FileDescriptor;JJ)V", (void *)android_media_MediaMetadataRetriever_setDataSourceFD}, |
James Dong | faf09ba | 2010-12-02 17:42:08 -0800 | [diff] [blame] | 392 | {"_getFrameAtTime", "(JI)Landroid/graphics/Bitmap;", (void *)android_media_MediaMetadataRetriever_getFrameAtTime}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 393 | {"extractMetadata", "(I)Ljava/lang/String;", (void *)android_media_MediaMetadataRetriever_extractMetadata}, |
James Dong | df9b349 | 2011-01-04 15:03:48 -0800 | [diff] [blame] | 394 | {"getEmbeddedPicture", "(I)[B", (void *)android_media_MediaMetadataRetriever_getEmbeddedPicture}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 395 | {"release", "()V", (void *)android_media_MediaMetadataRetriever_release}, |
| 396 | {"native_finalize", "()V", (void *)android_media_MediaMetadataRetriever_native_finalize}, |
| 397 | {"native_setup", "()V", (void *)android_media_MediaMetadataRetriever_native_setup}, |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 398 | {"native_init", "()V", (void *)android_media_MediaMetadataRetriever_native_init}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 399 | }; |
| 400 | |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 401 | // This function only registers the native methods, and is called from |
| 402 | // JNI_OnLoad in android_media_MediaPlayer.cpp |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 403 | int register_android_media_MediaMetadataRetriever(JNIEnv *env) |
| 404 | { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 405 | return AndroidRuntime::registerNativeMethods |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 406 | (env, kClassPathName, nativeMethods, NELEM(nativeMethods)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 407 | } |