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> |
Derek Sollenberger | eece0dd | 2014-02-27 14:31:29 -0500 | [diff] [blame] | 24 | #include <SkBitmap.h> |
Andreas Huber | d2506a5 | 2014-01-29 10:32:46 -0800 | [diff] [blame] | 25 | #include <media/IMediaHTTPService.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 26 | #include <media/mediametadataretriever.h> |
Elliott Hughes | 95d3f86 | 2014-06-10 16:53:31 -0700 | [diff] [blame] | 27 | #include <media/mediascanner.h> |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 28 | #include <nativehelper/ScopedLocalRef.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 29 | #include <private/media/VideoFrame.h> |
| 30 | |
| 31 | #include "jni.h" |
Steven Moreland | 2279b25 | 2017-07-19 09:50:45 -0700 | [diff] [blame] | 32 | #include <nativehelper/JNIHelp.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 33 | #include "android_runtime/AndroidRuntime.h" |
Chris Watkins | 4eaa293 | 2015-03-20 10:31:42 -0700 | [diff] [blame] | 34 | #include "android_media_MediaDataSource.h" |
James Dong | 79f407c | 2011-05-05 12:50:04 -0700 | [diff] [blame] | 35 | #include "android_media_Utils.h" |
Andreas Huber | d2506a5 | 2014-01-29 10:32:46 -0800 | [diff] [blame] | 36 | #include "android_util_Binder.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 37 | |
Mike Reed | 021a344 | 2014-08-07 17:03:17 -0400 | [diff] [blame] | 38 | #include "android/graphics/GraphicsJNI.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 39 | |
| 40 | using namespace android; |
| 41 | |
| 42 | struct fields_t { |
| 43 | jfieldID context; |
James Dong | c371a02 | 2011-04-06 12:16:07 -0700 | [diff] [blame] | 44 | jclass bitmapClazz; // Must be a global ref |
James Dong | 53ebc72 | 2010-11-08 16:04:27 -0800 | [diff] [blame] | 45 | jmethodID createBitmapMethod; |
James Dong | 9f2cde3 | 2011-03-18 17:55:06 -0700 | [diff] [blame] | 46 | jmethodID createScaledBitmapMethod; |
James Dong | c371a02 | 2011-04-06 12:16:07 -0700 | [diff] [blame] | 47 | jclass configClazz; // Must be a global ref |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 48 | jmethodID createConfigMethod; |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 49 | jclass bitmapParamsClazz; // Must be a global ref |
| 50 | jfieldID inPreferredConfig; |
| 51 | jfieldID outActualConfig; |
| 52 | jclass arrayListClazz; // Must be a global ref |
| 53 | jmethodID arrayListInit; |
| 54 | jmethodID arrayListAdd; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 55 | }; |
| 56 | |
| 57 | static fields_t fields; |
| 58 | static Mutex sLock; |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 59 | static const char* const kClassPathName = "android/media/MediaMetadataRetriever"; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 60 | |
| 61 | static void process_media_retriever_call(JNIEnv *env, status_t opStatus, const char* exception, const char *message) |
| 62 | { |
| 63 | if (opStatus == (status_t) INVALID_OPERATION) { |
| 64 | jniThrowException(env, "java/lang/IllegalStateException", NULL); |
| 65 | } else if (opStatus != (status_t) OK) { |
| 66 | if (strlen(message) > 230) { |
| 67 | // If the message is too long, don't bother displaying the status code. |
| 68 | jniThrowException( env, exception, message); |
| 69 | } else { |
| 70 | char msg[256]; |
| 71 | // Append the status code to the message. |
| 72 | sprintf(msg, "%s: status = 0x%X", message, opStatus); |
| 73 | jniThrowException( env, exception, msg); |
| 74 | } |
| 75 | } |
| 76 | } |
| 77 | |
Marco Nelissen | 463ec6b | 2018-01-10 14:00:29 -0800 | [diff] [blame] | 78 | static sp<MediaMetadataRetriever> getRetriever(JNIEnv* env, jobject thiz) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 79 | { |
| 80 | // No lock is needed, since it is called internally by other methods that are protected |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 81 | MediaMetadataRetriever* retriever = (MediaMetadataRetriever*) env->GetLongField(thiz, fields.context); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 82 | return retriever; |
| 83 | } |
| 84 | |
Marco Nelissen | 463ec6b | 2018-01-10 14:00:29 -0800 | [diff] [blame] | 85 | static void setRetriever(JNIEnv* env, jobject thiz, const sp<MediaMetadataRetriever> &retriever) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 86 | { |
| 87 | // No lock is needed, since it is called internally by other methods that are protected |
Marco Nelissen | 463ec6b | 2018-01-10 14:00:29 -0800 | [diff] [blame] | 88 | |
| 89 | if (retriever != NULL) { |
| 90 | retriever->incStrong(thiz); |
| 91 | } |
| 92 | sp<MediaMetadataRetriever> old = getRetriever(env, thiz); |
| 93 | if (old != NULL) { |
| 94 | old->decStrong(thiz); |
| 95 | } |
| 96 | |
| 97 | env->SetLongField(thiz, fields.context, (jlong) retriever.get()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 98 | } |
| 99 | |
Andreas Huber | 5b7ced6 | 2011-03-21 10:25:44 -0700 | [diff] [blame] | 100 | static void |
| 101 | android_media_MediaMetadataRetriever_setDataSourceAndHeaders( |
Andreas Huber | d2506a5 | 2014-01-29 10:32:46 -0800 | [diff] [blame] | 102 | JNIEnv *env, jobject thiz, jobject httpServiceBinderObj, jstring path, |
James Dong | 17524dc | 2011-05-04 13:41:58 -0700 | [diff] [blame] | 103 | jobjectArray keys, jobjectArray values) { |
| 104 | |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 105 | ALOGV("setDataSource"); |
Marco Nelissen | 463ec6b | 2018-01-10 14:00:29 -0800 | [diff] [blame] | 106 | sp<MediaMetadataRetriever> retriever = getRetriever(env, thiz); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 107 | if (retriever == 0) { |
Andreas Huber | 5b7ced6 | 2011-03-21 10:25:44 -0700 | [diff] [blame] | 108 | jniThrowException( |
| 109 | env, |
| 110 | "java/lang/IllegalStateException", "No retriever available"); |
| 111 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 112 | return; |
| 113 | } |
| 114 | |
Andreas Huber | 5b7ced6 | 2011-03-21 10:25:44 -0700 | [diff] [blame] | 115 | if (!path) { |
| 116 | jniThrowException( |
| 117 | env, "java/lang/IllegalArgumentException", "Null pointer"); |
| 118 | |
| 119 | return; |
| 120 | } |
| 121 | |
| 122 | const char *tmp = env->GetStringUTFChars(path, NULL); |
Andreas Huber | 5bb357f | 2011-03-21 11:55:01 -0700 | [diff] [blame] | 123 | if (!tmp) { // OutOfMemoryError exception already thrown |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 124 | return; |
| 125 | } |
| 126 | |
Andreas Huber | 5bb357f | 2011-03-21 11:55:01 -0700 | [diff] [blame] | 127 | String8 pathStr(tmp); |
Andreas Huber | 5b7ced6 | 2011-03-21 10:25:44 -0700 | [diff] [blame] | 128 | env->ReleaseStringUTFChars(path, tmp); |
| 129 | tmp = NULL; |
| 130 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 131 | // Don't let somebody trick us in to reading some random block of memory |
Andreas Huber | 5b7ced6 | 2011-03-21 10:25:44 -0700 | [diff] [blame] | 132 | if (strncmp("mem://", pathStr.string(), 6) == 0) { |
| 133 | jniThrowException( |
| 134 | env, "java/lang/IllegalArgumentException", "Invalid pathname"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 135 | return; |
| 136 | } |
| 137 | |
Andreas Huber | 5b7ced6 | 2011-03-21 10:25:44 -0700 | [diff] [blame] | 138 | // We build a similar KeyedVector out of it. |
| 139 | KeyedVector<String8, String8> headersVector; |
James Dong | 79f407c | 2011-05-05 12:50:04 -0700 | [diff] [blame] | 140 | if (!ConvertKeyValueArraysToKeyedVector( |
| 141 | env, keys, values, &headersVector)) { |
| 142 | return; |
Andreas Huber | 5b7ced6 | 2011-03-21 10:25:44 -0700 | [diff] [blame] | 143 | } |
Andreas Huber | d2506a5 | 2014-01-29 10:32:46 -0800 | [diff] [blame] | 144 | |
| 145 | sp<IMediaHTTPService> httpService; |
| 146 | if (httpServiceBinderObj != NULL) { |
| 147 | sp<IBinder> binder = ibinderForJavaObject(env, httpServiceBinderObj); |
| 148 | httpService = interface_cast<IMediaHTTPService>(binder); |
| 149 | } |
| 150 | |
Andreas Huber | 5b7ced6 | 2011-03-21 10:25:44 -0700 | [diff] [blame] | 151 | process_media_retriever_call( |
| 152 | env, |
| 153 | retriever->setDataSource( |
Andreas Huber | d2506a5 | 2014-01-29 10:32:46 -0800 | [diff] [blame] | 154 | httpService, |
| 155 | pathStr.string(), |
| 156 | headersVector.size() > 0 ? &headersVector : NULL), |
Andreas Huber | 5b7ced6 | 2011-03-21 10:25:44 -0700 | [diff] [blame] | 157 | |
| 158 | "java/lang/RuntimeException", |
| 159 | "setDataSource failed"); |
| 160 | } |
| 161 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 162 | static void android_media_MediaMetadataRetriever_setDataSourceFD(JNIEnv *env, jobject thiz, jobject fileDescriptor, jlong offset, jlong length) |
| 163 | { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 164 | ALOGV("setDataSource"); |
Marco Nelissen | 463ec6b | 2018-01-10 14:00:29 -0800 | [diff] [blame] | 165 | sp<MediaMetadataRetriever> retriever = getRetriever(env, thiz); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 166 | if (retriever == 0) { |
| 167 | jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); |
| 168 | return; |
| 169 | } |
| 170 | if (!fileDescriptor) { |
| 171 | jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| 172 | return; |
| 173 | } |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 174 | int fd = jniGetFDFromFileDescriptor(env, fileDescriptor); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 175 | if (offset < 0 || length < 0 || fd < 0) { |
| 176 | if (offset < 0) { |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 177 | ALOGE("negative offset (%lld)", (long long)offset); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 178 | } |
| 179 | if (length < 0) { |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 180 | ALOGE("negative length (%lld)", (long long)length); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 181 | } |
| 182 | if (fd < 0) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 183 | ALOGE("invalid file descriptor"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 184 | } |
| 185 | jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| 186 | return; |
| 187 | } |
| 188 | process_media_retriever_call(env, retriever->setDataSource(fd, offset, length), "java/lang/RuntimeException", "setDataSource failed"); |
| 189 | } |
| 190 | |
Chris Watkins | 4eaa293 | 2015-03-20 10:31:42 -0700 | [diff] [blame] | 191 | static void android_media_MediaMetadataRetriever_setDataSourceCallback(JNIEnv *env, jobject thiz, jobject dataSource) |
| 192 | { |
| 193 | ALOGV("setDataSourceCallback"); |
Marco Nelissen | 463ec6b | 2018-01-10 14:00:29 -0800 | [diff] [blame] | 194 | sp<MediaMetadataRetriever> retriever = getRetriever(env, thiz); |
Chris Watkins | 4eaa293 | 2015-03-20 10:31:42 -0700 | [diff] [blame] | 195 | if (retriever == 0) { |
| 196 | jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); |
| 197 | return; |
| 198 | } |
| 199 | if (dataSource == NULL) { |
| 200 | jniThrowException(env, "java/lang/IllegalArgumentException", NULL); |
| 201 | return; |
| 202 | } |
| 203 | |
| 204 | sp<IDataSource> callbackDataSource = new JMediaDataSource(env, dataSource); |
| 205 | process_media_retriever_call(env, retriever->setDataSource(callbackDataSource), "java/lang/RuntimeException", "setDataSourceCallback failed"); |
| 206 | } |
| 207 | |
Carl Shapiro | ae12a50 | 2011-01-20 23:13:09 -0800 | [diff] [blame] | 208 | template<typename T> |
| 209 | static void rotate0(T* dst, const T* src, size_t width, size_t height) |
| 210 | { |
| 211 | memcpy(dst, src, width * height * sizeof(T)); |
| 212 | } |
| 213 | |
| 214 | template<typename T> |
| 215 | static void rotate90(T* dst, const T* src, size_t width, size_t height) |
| 216 | { |
| 217 | for (size_t i = 0; i < height; ++i) { |
| 218 | for (size_t j = 0; j < width; ++j) { |
| 219 | dst[j * height + height - 1 - i] = src[i * width + j]; |
| 220 | } |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | template<typename T> |
| 225 | static void rotate180(T* dst, const T* src, size_t width, size_t height) |
| 226 | { |
| 227 | for (size_t i = 0; i < height; ++i) { |
| 228 | for (size_t j = 0; j < width; ++j) { |
| 229 | dst[(height - 1 - i) * width + width - 1 - j] = src[i * width + j]; |
| 230 | } |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | template<typename T> |
| 235 | static void rotate270(T* dst, const T* src, size_t width, size_t height) |
| 236 | { |
| 237 | for (size_t i = 0; i < height; ++i) { |
| 238 | for (size_t j = 0; j < width; ++j) { |
| 239 | dst[(width - 1 - j) * height + i] = src[i * width + j]; |
| 240 | } |
| 241 | } |
| 242 | } |
| 243 | |
| 244 | template<typename T> |
| 245 | static void rotate(T *dst, const T *src, size_t width, size_t height, int angle) |
| 246 | { |
| 247 | switch (angle) { |
| 248 | case 0: |
| 249 | rotate0(dst, src, width, height); |
| 250 | break; |
| 251 | case 90: |
| 252 | rotate90(dst, src, width, height); |
| 253 | break; |
| 254 | case 180: |
| 255 | rotate180(dst, src, width, height); |
| 256 | break; |
| 257 | case 270: |
| 258 | rotate270(dst, src, width, height); |
| 259 | break; |
| 260 | } |
| 261 | } |
| 262 | |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 263 | static jobject getBitmapFromVideoFrame( |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 264 | JNIEnv *env, VideoFrame *videoFrame, jint dst_width, jint dst_height, |
| 265 | SkColorType outColorType) { |
Chong Zhang | 7d12714 | 2018-04-09 14:43:01 -0700 | [diff] [blame] | 266 | ALOGV("getBitmapFromVideoFrame: dimension = %dx%d, displaySize = %dx%d, bytes = %d", |
| 267 | videoFrame->mWidth, |
| 268 | videoFrame->mHeight, |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 269 | videoFrame->mDisplayWidth, |
| 270 | videoFrame->mDisplayHeight, |
| 271 | videoFrame->mSize); |
| 272 | |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 273 | ScopedLocalRef<jobject> config(env, |
| 274 | env->CallStaticObjectMethod( |
| 275 | fields.configClazz, |
| 276 | fields.createConfigMethod, |
| 277 | GraphicsJNI::colorTypeToLegacyBitmapConfig(outColorType))); |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 278 | |
Hangyu Kuang | 0552036 | 2017-07-21 15:01:23 -0700 | [diff] [blame] | 279 | uint32_t width, height, displayWidth, displayHeight; |
James Dong | 9f2cde3 | 2011-03-18 17:55:06 -0700 | [diff] [blame] | 280 | bool swapWidthAndHeight = false; |
Carl Shapiro | ae12a50 | 2011-01-20 23:13:09 -0800 | [diff] [blame] | 281 | if (videoFrame->mRotationAngle == 90 || videoFrame->mRotationAngle == 270) { |
James Dong | 9f2cde3 | 2011-03-18 17:55:06 -0700 | [diff] [blame] | 282 | width = videoFrame->mHeight; |
| 283 | height = videoFrame->mWidth; |
| 284 | swapWidthAndHeight = true; |
Hangyu Kuang | 0552036 | 2017-07-21 15:01:23 -0700 | [diff] [blame] | 285 | displayWidth = videoFrame->mDisplayHeight; |
| 286 | displayHeight = videoFrame->mDisplayWidth; |
Carl Shapiro | ae12a50 | 2011-01-20 23:13:09 -0800 | [diff] [blame] | 287 | } else { |
James Dong | 9f2cde3 | 2011-03-18 17:55:06 -0700 | [diff] [blame] | 288 | width = videoFrame->mWidth; |
| 289 | height = videoFrame->mHeight; |
Hangyu Kuang | 0552036 | 2017-07-21 15:01:23 -0700 | [diff] [blame] | 290 | displayWidth = videoFrame->mDisplayWidth; |
| 291 | displayHeight = videoFrame->mDisplayHeight; |
Carl Shapiro | ae12a50 | 2011-01-20 23:13:09 -0800 | [diff] [blame] | 292 | } |
| 293 | |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 294 | jobject jBitmap = env->CallStaticObjectMethod( |
| 295 | fields.bitmapClazz, |
| 296 | fields.createBitmapMethod, |
Carl Shapiro | ae12a50 | 2011-01-20 23:13:09 -0800 | [diff] [blame] | 297 | width, |
| 298 | height, |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 299 | config.get()); |
wang, biao | c847a48 | 2012-10-30 15:35:01 +0800 | [diff] [blame] | 300 | if (jBitmap == NULL) { |
| 301 | if (env->ExceptionCheck()) { |
| 302 | env->ExceptionClear(); |
| 303 | } |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 304 | ALOGE("getBitmapFromVideoFrame: create Bitmap failed!"); |
wang, biao | c847a48 | 2012-10-30 15:35:01 +0800 | [diff] [blame] | 305 | return NULL; |
| 306 | } |
Carl Shapiro | ae12a50 | 2011-01-20 23:13:09 -0800 | [diff] [blame] | 307 | |
John Reck | ed207b9 | 2015-04-10 13:52:57 -0700 | [diff] [blame] | 308 | SkBitmap bitmap; |
| 309 | GraphicsJNI::getSkBitmap(env, jBitmap, &bitmap); |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 310 | |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 311 | if (outColorType == kRGB_565_SkColorType) { |
| 312 | rotate((uint16_t*)bitmap.getPixels(), |
| 313 | (uint16_t*)((char*)videoFrame + sizeof(VideoFrame)), |
| 314 | videoFrame->mWidth, |
| 315 | videoFrame->mHeight, |
| 316 | videoFrame->mRotationAngle); |
| 317 | } else { |
| 318 | rotate((uint32_t*)bitmap.getPixels(), |
| 319 | (uint32_t*)((char*)videoFrame + sizeof(VideoFrame)), |
| 320 | videoFrame->mWidth, |
| 321 | videoFrame->mHeight, |
| 322 | videoFrame->mRotationAngle); |
| 323 | } |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 324 | |
Hangyu Kuang | 0552036 | 2017-07-21 15:01:23 -0700 | [diff] [blame] | 325 | if (dst_width <= 0 || dst_height <= 0) { |
| 326 | dst_width = displayWidth; |
| 327 | dst_height = displayHeight; |
| 328 | } else { |
| 329 | float factor = std::min((float)dst_width / (float)displayWidth, |
| 330 | (float)dst_height / (float)displayHeight); |
| 331 | dst_width = std::round(displayWidth * factor); |
| 332 | dst_height = std::round(displayHeight * factor); |
| 333 | } |
| 334 | |
Chong Zhang | 7d12714 | 2018-04-09 14:43:01 -0700 | [diff] [blame] | 335 | if ((uint32_t)dst_width != width || (uint32_t)dst_height != height) { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 336 | ALOGV("Bitmap dimension is scaled from %dx%d to %dx%d", |
Hangyu Kuang | 0552036 | 2017-07-21 15:01:23 -0700 | [diff] [blame] | 337 | width, height, dst_width, dst_height); |
James Dong | 9f2cde3 | 2011-03-18 17:55:06 -0700 | [diff] [blame] | 338 | jobject scaledBitmap = env->CallStaticObjectMethod(fields.bitmapClazz, |
Hangyu Kuang | 0552036 | 2017-07-21 15:01:23 -0700 | [diff] [blame] | 339 | fields.createScaledBitmapMethod, |
| 340 | jBitmap, |
| 341 | dst_width, |
| 342 | dst_height, |
| 343 | true); |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 344 | |
| 345 | env->DeleteLocalRef(jBitmap); |
James Dong | 9f2cde3 | 2011-03-18 17:55:06 -0700 | [diff] [blame] | 346 | return scaledBitmap; |
| 347 | } |
| 348 | |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 349 | return jBitmap; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 350 | } |
| 351 | |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 352 | static int getColorFormat(JNIEnv *env, jobject options) { |
| 353 | if (options == NULL) { |
| 354 | return HAL_PIXEL_FORMAT_RGBA_8888; |
| 355 | } |
| 356 | |
| 357 | ScopedLocalRef<jobject> inConfig(env, env->GetObjectField(options, fields.inPreferredConfig)); |
| 358 | SkColorType prefColorType = GraphicsJNI::getNativeBitmapColorType(env, inConfig.get()); |
| 359 | |
| 360 | if (prefColorType == kRGB_565_SkColorType) { |
| 361 | return HAL_PIXEL_FORMAT_RGB_565; |
| 362 | } |
| 363 | return HAL_PIXEL_FORMAT_RGBA_8888; |
| 364 | } |
| 365 | |
| 366 | static SkColorType setOutColorType(JNIEnv *env, int colorFormat, jobject options) { |
| 367 | SkColorType outColorType = kN32_SkColorType; |
| 368 | if (colorFormat == HAL_PIXEL_FORMAT_RGB_565) { |
| 369 | outColorType = kRGB_565_SkColorType; |
| 370 | } |
| 371 | |
| 372 | if (options != NULL) { |
| 373 | ScopedLocalRef<jobject> config(env, |
| 374 | env->CallStaticObjectMethod( |
| 375 | fields.configClazz, |
| 376 | fields.createConfigMethod, |
| 377 | GraphicsJNI::colorTypeToLegacyBitmapConfig(outColorType))); |
| 378 | |
| 379 | env->SetObjectField(options, fields.outActualConfig, config.get()); |
| 380 | } |
| 381 | return outColorType; |
| 382 | } |
| 383 | |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 384 | static jobject android_media_MediaMetadataRetriever_getFrameAtTime( |
| 385 | JNIEnv *env, jobject thiz, jlong timeUs, jint option, jint dst_width, jint dst_height) |
| 386 | { |
| 387 | ALOGV("getFrameAtTime: %lld us option: %d dst width: %d heigh: %d", |
| 388 | (long long)timeUs, option, dst_width, dst_height); |
Marco Nelissen | 463ec6b | 2018-01-10 14:00:29 -0800 | [diff] [blame] | 389 | sp<MediaMetadataRetriever> retriever = getRetriever(env, thiz); |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 390 | if (retriever == 0) { |
| 391 | jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); |
| 392 | return NULL; |
| 393 | } |
| 394 | |
| 395 | // Call native method to retrieve a video frame |
| 396 | VideoFrame *videoFrame = NULL; |
| 397 | sp<IMemory> frameMemory = retriever->getFrameAtTime(timeUs, option); |
| 398 | if (frameMemory != 0) { // cast the shared structure to a VideoFrame object |
| 399 | videoFrame = static_cast<VideoFrame *>(frameMemory->pointer()); |
| 400 | } |
| 401 | if (videoFrame == NULL) { |
| 402 | ALOGE("getFrameAtTime: videoFrame is a NULL pointer"); |
| 403 | return NULL; |
| 404 | } |
| 405 | |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 406 | return getBitmapFromVideoFrame(env, videoFrame, dst_width, dst_height, kRGB_565_SkColorType); |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 407 | } |
| 408 | |
| 409 | static jobject android_media_MediaMetadataRetriever_getImageAtIndex( |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 410 | JNIEnv *env, jobject thiz, jint index, jobject params) |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 411 | { |
| 412 | ALOGV("getImageAtIndex: index %d", index); |
Marco Nelissen | 463ec6b | 2018-01-10 14:00:29 -0800 | [diff] [blame] | 413 | sp<MediaMetadataRetriever> retriever = getRetriever(env, thiz); |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 414 | if (retriever == 0) { |
| 415 | jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); |
| 416 | return NULL; |
| 417 | } |
| 418 | |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 419 | int colorFormat = getColorFormat(env, params); |
| 420 | |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 421 | // Call native method to retrieve an image |
| 422 | VideoFrame *videoFrame = NULL; |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 423 | sp<IMemory> frameMemory = retriever->getImageAtIndex(index, colorFormat); |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 424 | if (frameMemory != 0) { // cast the shared structure to a VideoFrame object |
| 425 | videoFrame = static_cast<VideoFrame *>(frameMemory->pointer()); |
| 426 | } |
| 427 | if (videoFrame == NULL) { |
| 428 | ALOGE("getImageAtIndex: videoFrame is a NULL pointer"); |
| 429 | return NULL; |
| 430 | } |
| 431 | |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 432 | SkColorType outColorType = setOutColorType(env, colorFormat, params); |
| 433 | |
| 434 | return getBitmapFromVideoFrame(env, videoFrame, -1, -1, outColorType); |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 435 | } |
| 436 | |
Chong Zhang | 7d12714 | 2018-04-09 14:43:01 -0700 | [diff] [blame] | 437 | static jobject android_media_MediaMetadataRetriever_getThumbnailImageAtIndex( |
| 438 | JNIEnv *env, jobject thiz, jint index, jobject params, jint targetSize, jint maxPixels) |
| 439 | { |
| 440 | ALOGV("getThumbnailImageAtIndex: index %d", index); |
| 441 | |
| 442 | sp<MediaMetadataRetriever> retriever = getRetriever(env, thiz); |
| 443 | if (retriever == 0) { |
| 444 | jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); |
| 445 | return NULL; |
| 446 | } |
| 447 | |
| 448 | int colorFormat = getColorFormat(env, params); |
| 449 | jint dst_width = -1, dst_height = -1; |
| 450 | |
| 451 | // Call native method to retrieve an image |
| 452 | VideoFrame *videoFrame = NULL; |
| 453 | sp<IMemory> frameMemory = retriever->getImageAtIndex( |
| 454 | index, colorFormat, true /*metaOnly*/, true /*thumbnail*/); |
| 455 | if (frameMemory != 0) { |
| 456 | videoFrame = static_cast<VideoFrame *>(frameMemory->pointer()); |
| 457 | int32_t thumbWidth = videoFrame->mWidth; |
| 458 | int32_t thumbHeight = videoFrame->mHeight; |
| 459 | videoFrame = NULL; |
| 460 | int64_t thumbPixels = thumbWidth * thumbHeight; |
| 461 | |
| 462 | // Here we try to use the included thumbnail if it's not too shabby. |
| 463 | // If this fails ThumbnailUtils would have to decode the full image and |
| 464 | // downscale which could take long. |
| 465 | if (thumbWidth >= targetSize || thumbHeight >= targetSize |
| 466 | || thumbPixels * 6 >= maxPixels) { |
| 467 | frameMemory = retriever->getImageAtIndex( |
| 468 | index, colorFormat, false /*metaOnly*/, true /*thumbnail*/); |
| 469 | videoFrame = static_cast<VideoFrame *>(frameMemory->pointer()); |
| 470 | |
| 471 | if (thumbPixels > maxPixels) { |
| 472 | int downscale = ceil(sqrt(thumbPixels / (float)maxPixels)); |
| 473 | dst_width = thumbWidth / downscale; |
| 474 | dst_height = thumbHeight /downscale; |
| 475 | } |
| 476 | } |
| 477 | } |
| 478 | if (videoFrame == NULL) { |
| 479 | ALOGV("getThumbnailImageAtIndex: no suitable thumbnails available"); |
| 480 | return NULL; |
| 481 | } |
| 482 | |
| 483 | // Ignore rotation for thumbnail extraction to be consistent with |
| 484 | // thumbnails extracted by BitmapFactory APIs. |
| 485 | videoFrame->mRotationAngle = 0; |
| 486 | |
| 487 | SkColorType outColorType = setOutColorType(env, colorFormat, params); |
| 488 | |
| 489 | return getBitmapFromVideoFrame(env, videoFrame, dst_width, dst_height, outColorType); |
| 490 | } |
| 491 | |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 492 | static jobject android_media_MediaMetadataRetriever_getFrameAtIndex( |
| 493 | JNIEnv *env, jobject thiz, jint frameIndex, jint numFrames, jobject params) |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 494 | { |
| 495 | ALOGV("getFrameAtIndex: frameIndex %d, numFrames %d", frameIndex, numFrames); |
Marco Nelissen | 463ec6b | 2018-01-10 14:00:29 -0800 | [diff] [blame] | 496 | sp<MediaMetadataRetriever> retriever = getRetriever(env, thiz); |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 497 | if (retriever == 0) { |
| 498 | jniThrowException(env, |
| 499 | "java/lang/IllegalStateException", "No retriever available"); |
| 500 | return NULL; |
| 501 | } |
| 502 | |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 503 | int colorFormat = getColorFormat(env, params); |
| 504 | |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 505 | std::vector<sp<IMemory> > frames; |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 506 | status_t err = retriever->getFrameAtIndex(&frames, frameIndex, numFrames, colorFormat); |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 507 | if (err != OK || frames.size() == 0) { |
Chong Zhang | 6c85129 | 2018-03-14 18:56:56 -0700 | [diff] [blame] | 508 | jniThrowException(env, |
| 509 | "java/lang/IllegalStateException", "No frames from retriever"); |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 510 | return NULL; |
| 511 | } |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 512 | jobject arrayList = env->NewObject(fields.arrayListClazz, fields.arrayListInit); |
| 513 | if (arrayList == NULL) { |
Chong Zhang | 6c85129 | 2018-03-14 18:56:56 -0700 | [diff] [blame] | 514 | jniThrowException(env, |
| 515 | "java/lang/IllegalStateException", "Can't create bitmap array"); |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 516 | return NULL; |
| 517 | } |
| 518 | |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 519 | SkColorType outColorType = setOutColorType(env, colorFormat, params); |
| 520 | |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 521 | for (size_t i = 0; i < frames.size(); i++) { |
| 522 | if (frames[i] == NULL || frames[i]->pointer() == NULL) { |
| 523 | ALOGE("video frame at index %zu is a NULL pointer", frameIndex + i); |
| 524 | continue; |
| 525 | } |
| 526 | VideoFrame *videoFrame = static_cast<VideoFrame *>(frames[i]->pointer()); |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 527 | jobject bitmapObj = getBitmapFromVideoFrame(env, videoFrame, -1, -1, outColorType); |
| 528 | env->CallBooleanMethod(arrayList, fields.arrayListAdd, bitmapObj); |
| 529 | env->DeleteLocalRef(bitmapObj); |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 530 | } |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 531 | return arrayList; |
Chong Zhang | 4342f08 | 2017-10-05 14:27:23 -0700 | [diff] [blame] | 532 | } |
| 533 | |
James Dong | df9b349 | 2011-01-04 15:03:48 -0800 | [diff] [blame] | 534 | static jbyteArray android_media_MediaMetadataRetriever_getEmbeddedPicture( |
| 535 | JNIEnv *env, jobject thiz, jint pictureType) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 536 | { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 537 | ALOGV("getEmbeddedPicture: %d", pictureType); |
Marco Nelissen | 463ec6b | 2018-01-10 14:00:29 -0800 | [diff] [blame] | 538 | sp<MediaMetadataRetriever> retriever = getRetriever(env, thiz); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 539 | if (retriever == 0) { |
| 540 | jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); |
| 541 | return NULL; |
| 542 | } |
| 543 | MediaAlbumArt* mediaAlbumArt = NULL; |
James Dong | df9b349 | 2011-01-04 15:03:48 -0800 | [diff] [blame] | 544 | |
| 545 | // FIXME: |
| 546 | // Use pictureType to retrieve the intended embedded picture and also change |
| 547 | // the method name to getEmbeddedPicture(). |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 548 | sp<IMemory> albumArtMemory = retriever->extractAlbumArt(); |
| 549 | if (albumArtMemory != 0) { // cast the shared structure to a MediaAlbumArt object |
| 550 | mediaAlbumArt = static_cast<MediaAlbumArt *>(albumArtMemory->pointer()); |
| 551 | } |
| 552 | if (mediaAlbumArt == NULL) { |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 553 | ALOGE("getEmbeddedPicture: Call to getEmbeddedPicture failed."); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 554 | return NULL; |
| 555 | } |
| 556 | |
Elliott Hughes | 95d3f86 | 2014-06-10 16:53:31 -0700 | [diff] [blame] | 557 | jbyteArray array = env->NewByteArray(mediaAlbumArt->size()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 558 | if (!array) { // OutOfMemoryError exception has already been thrown. |
Steve Block | 3762c31 | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 559 | ALOGE("getEmbeddedPicture: OutOfMemoryError is thrown."); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 560 | } else { |
Elliott Hughes | 95d3f86 | 2014-06-10 16:53:31 -0700 | [diff] [blame] | 561 | const jbyte* data = |
| 562 | reinterpret_cast<const jbyte*>(mediaAlbumArt->data()); |
| 563 | env->SetByteArrayRegion(array, 0, mediaAlbumArt->size(), data); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 564 | } |
| 565 | |
| 566 | // No need to delete mediaAlbumArt here |
| 567 | return array; |
| 568 | } |
| 569 | |
| 570 | static jobject android_media_MediaMetadataRetriever_extractMetadata(JNIEnv *env, jobject thiz, jint keyCode) |
| 571 | { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 572 | ALOGV("extractMetadata"); |
Marco Nelissen | 463ec6b | 2018-01-10 14:00:29 -0800 | [diff] [blame] | 573 | sp<MediaMetadataRetriever> retriever = getRetriever(env, thiz); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 574 | if (retriever == 0) { |
| 575 | jniThrowException(env, "java/lang/IllegalStateException", "No retriever available"); |
| 576 | return NULL; |
| 577 | } |
| 578 | const char* value = retriever->extractMetadata(keyCode); |
| 579 | if (!value) { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 580 | ALOGV("extractMetadata: Metadata is not found"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 581 | return NULL; |
| 582 | } |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 583 | ALOGV("extractMetadata: value (%s) for keyCode(%d)", value, keyCode); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 584 | return env->NewStringUTF(value); |
| 585 | } |
| 586 | |
| 587 | static void android_media_MediaMetadataRetriever_release(JNIEnv *env, jobject thiz) |
| 588 | { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 589 | ALOGV("release"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 590 | Mutex::Autolock lock(sLock); |
Marco Nelissen | 463ec6b | 2018-01-10 14:00:29 -0800 | [diff] [blame] | 591 | setRetriever(env, thiz, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 592 | } |
| 593 | |
| 594 | static void android_media_MediaMetadataRetriever_native_finalize(JNIEnv *env, jobject thiz) |
| 595 | { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 596 | ALOGV("native_finalize"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 597 | // No lock is needed, since android_media_MediaMetadataRetriever_release() is protected |
| 598 | android_media_MediaMetadataRetriever_release(env, thiz); |
| 599 | } |
| 600 | |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 601 | // This function gets a field ID, which in turn causes class initialization. |
| 602 | // It is called from a static block in MediaMetadataRetriever, which won't run until the |
| 603 | // first time an instance of this class is used. |
| 604 | static void android_media_MediaMetadataRetriever_native_init(JNIEnv *env) |
| 605 | { |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 606 | ScopedLocalRef<jclass> clazz(env, env->FindClass(kClassPathName)); |
| 607 | if (clazz.get() == NULL) { |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 608 | return; |
| 609 | } |
| 610 | |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 611 | fields.context = env->GetFieldID(clazz.get(), "mNativeContext", "J"); |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 612 | if (fields.context == NULL) { |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 613 | return; |
| 614 | } |
| 615 | |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 616 | clazz.reset(env->FindClass("android/graphics/Bitmap")); |
| 617 | if (clazz.get() == NULL) { |
Brian Carlstrom | 46e18c11 | 2011-04-05 22:44:45 -0700 | [diff] [blame] | 618 | return; |
| 619 | } |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 620 | fields.bitmapClazz = (jclass) env->NewGlobalRef(clazz.get()); |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 621 | if (fields.bitmapClazz == NULL) { |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 622 | return; |
| 623 | } |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 624 | fields.createBitmapMethod = |
| 625 | env->GetStaticMethodID(fields.bitmapClazz, "createBitmap", |
| 626 | "(IILandroid/graphics/Bitmap$Config;)" |
| 627 | "Landroid/graphics/Bitmap;"); |
| 628 | if (fields.createBitmapMethod == NULL) { |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 629 | return; |
| 630 | } |
James Dong | 9f2cde3 | 2011-03-18 17:55:06 -0700 | [diff] [blame] | 631 | fields.createScaledBitmapMethod = |
| 632 | env->GetStaticMethodID(fields.bitmapClazz, "createScaledBitmap", |
| 633 | "(Landroid/graphics/Bitmap;IIZ)" |
| 634 | "Landroid/graphics/Bitmap;"); |
| 635 | if (fields.createScaledBitmapMethod == NULL) { |
James Dong | 9f2cde3 | 2011-03-18 17:55:06 -0700 | [diff] [blame] | 636 | return; |
| 637 | } |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 638 | |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 639 | clazz.reset(env->FindClass("android/graphics/Bitmap$Config")); |
| 640 | if (clazz.get() == NULL) { |
Brian Carlstrom | 46e18c11 | 2011-04-05 22:44:45 -0700 | [diff] [blame] | 641 | return; |
| 642 | } |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 643 | fields.configClazz = (jclass) env->NewGlobalRef(clazz.get()); |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 644 | if (fields.configClazz == NULL) { |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 645 | return; |
| 646 | } |
| 647 | fields.createConfigMethod = |
| 648 | env->GetStaticMethodID(fields.configClazz, "nativeToConfig", |
| 649 | "(I)Landroid/graphics/Bitmap$Config;"); |
| 650 | if (fields.createConfigMethod == NULL) { |
James Dong | 0e4b535 | 2010-12-19 13:05:33 -0800 | [diff] [blame] | 651 | return; |
| 652 | } |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 653 | |
| 654 | clazz.reset(env->FindClass("android/media/MediaMetadataRetriever$BitmapParams")); |
| 655 | if (clazz.get() == NULL) { |
| 656 | return; |
| 657 | } |
| 658 | fields.bitmapParamsClazz = (jclass) env->NewGlobalRef(clazz.get()); |
| 659 | if (fields.bitmapParamsClazz == NULL) { |
| 660 | return; |
| 661 | } |
| 662 | fields.inPreferredConfig = env->GetFieldID(fields.bitmapParamsClazz, |
| 663 | "inPreferredConfig", "Landroid/graphics/Bitmap$Config;"); |
| 664 | if (fields.inPreferredConfig == NULL) { |
| 665 | return; |
| 666 | } |
| 667 | fields.outActualConfig = env->GetFieldID(fields.bitmapParamsClazz, |
| 668 | "outActualConfig", "Landroid/graphics/Bitmap$Config;"); |
| 669 | if (fields.outActualConfig == NULL) { |
| 670 | return; |
| 671 | } |
| 672 | |
| 673 | clazz.reset(env->FindClass("java/util/ArrayList")); |
| 674 | if (clazz.get() == NULL) { |
| 675 | return; |
| 676 | } |
| 677 | fields.arrayListClazz = (jclass) env->NewGlobalRef(clazz.get()); |
| 678 | if (fields.arrayListClazz == NULL) { |
| 679 | return; |
| 680 | } |
| 681 | fields.arrayListInit = env->GetMethodID(clazz.get(), "<init>", "()V"); |
| 682 | if (fields.arrayListInit == NULL) { |
| 683 | return; |
| 684 | } |
| 685 | fields.arrayListAdd = env->GetMethodID(clazz.get(), "add", "(Ljava/lang/Object;)Z"); |
| 686 | if (fields.arrayListAdd == NULL) { |
| 687 | return; |
| 688 | } |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 689 | } |
| 690 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 691 | static void android_media_MediaMetadataRetriever_native_setup(JNIEnv *env, jobject thiz) |
| 692 | { |
Steve Block | 71f2cf1 | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 693 | ALOGV("native_setup"); |
Marco Nelissen | 463ec6b | 2018-01-10 14:00:29 -0800 | [diff] [blame] | 694 | sp<MediaMetadataRetriever> retriever = new MediaMetadataRetriever(); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 695 | if (retriever == 0) { |
| 696 | jniThrowException(env, "java/lang/RuntimeException", "Out of memory"); |
| 697 | return; |
| 698 | } |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 699 | setRetriever(env, thiz, retriever); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 700 | } |
| 701 | |
| 702 | // JNI mapping between Java methods and native methods |
Daniel Micay | 76f6a86 | 2015-09-19 17:31:01 -0400 | [diff] [blame] | 703 | static const JNINativeMethod nativeMethods[] = { |
James Dong | 17524dc | 2011-05-04 13:41:58 -0700 | [diff] [blame] | 704 | { |
| 705 | "_setDataSource", |
Andreas Huber | d2506a5 | 2014-01-29 10:32:46 -0800 | [diff] [blame] | 706 | "(Landroid/os/IBinder;Ljava/lang/String;[Ljava/lang/String;[Ljava/lang/String;)V", |
James Dong | 17524dc | 2011-05-04 13:41:58 -0700 | [diff] [blame] | 707 | (void *)android_media_MediaMetadataRetriever_setDataSourceAndHeaders |
| 708 | }, |
| 709 | |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 710 | {"setDataSource", "(Ljava/io/FileDescriptor;JJ)V", |
| 711 | (void *)android_media_MediaMetadataRetriever_setDataSourceFD}, |
| 712 | {"_setDataSource", "(Landroid/media/MediaDataSource;)V", |
| 713 | (void *)android_media_MediaMetadataRetriever_setDataSourceCallback}, |
| 714 | {"_getFrameAtTime", "(JIII)Landroid/graphics/Bitmap;", |
| 715 | (void *)android_media_MediaMetadataRetriever_getFrameAtTime}, |
| 716 | { |
| 717 | "_getImageAtIndex", |
| 718 | "(ILandroid/media/MediaMetadataRetriever$BitmapParams;)Landroid/graphics/Bitmap;", |
| 719 | (void *)android_media_MediaMetadataRetriever_getImageAtIndex |
| 720 | }, |
| 721 | |
| 722 | { |
Chong Zhang | 7d12714 | 2018-04-09 14:43:01 -0700 | [diff] [blame] | 723 | "getThumbnailImageAtIndex", |
| 724 | "(ILandroid/media/MediaMetadataRetriever$BitmapParams;II)Landroid/graphics/Bitmap;", |
| 725 | (void *)android_media_MediaMetadataRetriever_getThumbnailImageAtIndex |
| 726 | }, |
| 727 | |
| 728 | { |
Chong Zhang | a89f6e1 | 2018-03-07 16:22:18 -0800 | [diff] [blame] | 729 | "_getFrameAtIndex", |
| 730 | "(IILandroid/media/MediaMetadataRetriever$BitmapParams;)Ljava/util/List;", |
| 731 | (void *)android_media_MediaMetadataRetriever_getFrameAtIndex |
| 732 | }, |
| 733 | |
| 734 | {"extractMetadata", "(I)Ljava/lang/String;", |
| 735 | (void *)android_media_MediaMetadataRetriever_extractMetadata}, |
| 736 | {"getEmbeddedPicture", "(I)[B", |
| 737 | (void *)android_media_MediaMetadataRetriever_getEmbeddedPicture}, |
| 738 | {"release", "()V", |
| 739 | (void *)android_media_MediaMetadataRetriever_release}, |
| 740 | {"native_finalize", "()V", |
| 741 | (void *)android_media_MediaMetadataRetriever_native_finalize}, |
| 742 | {"native_setup", "()V", |
| 743 | (void *)android_media_MediaMetadataRetriever_native_setup}, |
| 744 | {"native_init", "()V", |
| 745 | (void *)android_media_MediaMetadataRetriever_native_init}, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 746 | }; |
| 747 | |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 748 | // This function only registers the native methods, and is called from |
| 749 | // JNI_OnLoad in android_media_MediaPlayer.cpp |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 750 | int register_android_media_MediaMetadataRetriever(JNIEnv *env) |
| 751 | { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 752 | return AndroidRuntime::registerNativeMethods |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 753 | (env, kClassPathName, nativeMethods, NELEM(nativeMethods)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 754 | } |