James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 1 | /* |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 2 | ** |
| 3 | ** Copyright 2007, 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 | |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 18 | //#define LOG_NDEBUG 0 |
| 19 | #define LOG_TAG "MediaScannerJNI" |
| 20 | #include <utils/Log.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 21 | #include <utils/threads.h> |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 22 | #include <media/mediascanner.h> |
| 23 | #include <media/stagefright/StagefrightMediaScanner.h> |
Elliott Hughes | 9fa803b | 2014-06-05 10:38:30 -0700 | [diff] [blame] | 24 | #include <private/media/VideoFrame.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 25 | |
| 26 | #include "jni.h" |
| 27 | #include "JNIHelp.h" |
| 28 | #include "android_runtime/AndroidRuntime.h" |
Ruben Brunk | 87eac99 | 2013-09-09 17:44:59 -0700 | [diff] [blame] | 29 | #include "android_runtime/Log.h" |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 30 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 31 | using namespace android; |
| 32 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 33 | |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 34 | static const char* const kClassMediaScannerClient = |
| 35 | "android/media/MediaScannerClient"; |
| 36 | |
| 37 | static const char* const kClassMediaScanner = |
| 38 | "android/media/MediaScanner"; |
| 39 | |
| 40 | static const char* const kRunTimeException = |
| 41 | "java/lang/RuntimeException"; |
| 42 | |
| 43 | static const char* const kIllegalArgumentException = |
| 44 | "java/lang/IllegalArgumentException"; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 45 | |
James Dong | 133cf8b | 2011-03-11 15:18:40 -0800 | [diff] [blame] | 46 | struct fields_t { |
| 47 | jfieldID context; |
| 48 | }; |
| 49 | static fields_t fields; |
James Dong | 133cf8b | 2011-03-11 15:18:40 -0800 | [diff] [blame] | 50 | |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 51 | static status_t checkAndClearExceptionFromCallback(JNIEnv* env, const char* methodName) { |
| 52 | if (env->ExceptionCheck()) { |
Steve Block | c6aacce | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 53 | ALOGE("An exception was thrown by callback '%s'.", methodName); |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 54 | LOGE_EX(env); |
| 55 | env->ExceptionClear(); |
| 56 | return UNKNOWN_ERROR; |
| 57 | } |
| 58 | return OK; |
| 59 | } |
| 60 | |
Marco Nelissen | a0a73ed | 2013-02-12 18:33:41 +0000 | [diff] [blame] | 61 | // stolen from dalvik/vm/checkJni.cpp |
| 62 | static bool isValidUtf8(const char* bytes) { |
| 63 | while (*bytes != '\0') { |
| 64 | unsigned char utf8 = *(bytes++); |
| 65 | // Switch on the high four bits. |
| 66 | switch (utf8 >> 4) { |
| 67 | case 0x00: |
| 68 | case 0x01: |
| 69 | case 0x02: |
| 70 | case 0x03: |
| 71 | case 0x04: |
| 72 | case 0x05: |
| 73 | case 0x06: |
| 74 | case 0x07: |
| 75 | // Bit pattern 0xxx. No need for any extra bytes. |
| 76 | break; |
| 77 | case 0x08: |
| 78 | case 0x09: |
| 79 | case 0x0a: |
| 80 | case 0x0b: |
| 81 | case 0x0f: |
| 82 | /* |
| 83 | * Bit pattern 10xx or 1111, which are illegal start bytes. |
| 84 | * Note: 1111 is valid for normal UTF-8, but not the |
| 85 | * modified UTF-8 used here. |
| 86 | */ |
| 87 | return false; |
| 88 | case 0x0e: |
| 89 | // Bit pattern 1110, so there are two additional bytes. |
| 90 | utf8 = *(bytes++); |
| 91 | if ((utf8 & 0xc0) != 0x80) { |
| 92 | return false; |
| 93 | } |
| 94 | // Fall through to take care of the final byte. |
| 95 | case 0x0c: |
| 96 | case 0x0d: |
| 97 | // Bit pattern 110x, so there is one additional byte. |
| 98 | utf8 = *(bytes++); |
| 99 | if ((utf8 & 0xc0) != 0x80) { |
| 100 | return false; |
| 101 | } |
| 102 | break; |
| 103 | } |
| 104 | } |
| 105 | return true; |
| 106 | } |
| 107 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 108 | class MyMediaScannerClient : public MediaScannerClient |
| 109 | { |
| 110 | public: |
| 111 | MyMediaScannerClient(JNIEnv *env, jobject client) |
| 112 | : mEnv(env), |
| 113 | mClient(env->NewGlobalRef(client)), |
| 114 | mScanFileMethodID(0), |
| 115 | mHandleStringTagMethodID(0), |
| 116 | mSetMimeTypeMethodID(0) |
| 117 | { |
Steve Block | 06ade6a | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 118 | ALOGV("MyMediaScannerClient constructor"); |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 119 | jclass mediaScannerClientInterface = |
| 120 | env->FindClass(kClassMediaScannerClient); |
| 121 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 122 | if (mediaScannerClientInterface == NULL) { |
Steve Block | c6aacce | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 123 | ALOGE("Class %s not found", kClassMediaScannerClient); |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 124 | } else { |
| 125 | mScanFileMethodID = env->GetMethodID( |
| 126 | mediaScannerClientInterface, |
| 127 | "scanFile", |
Mike Lockwood | 997354e | 2011-04-24 11:15:09 -0700 | [diff] [blame] | 128 | "(Ljava/lang/String;JJZZ)V"); |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 129 | |
| 130 | mHandleStringTagMethodID = env->GetMethodID( |
| 131 | mediaScannerClientInterface, |
| 132 | "handleStringTag", |
| 133 | "(Ljava/lang/String;Ljava/lang/String;)V"); |
| 134 | |
| 135 | mSetMimeTypeMethodID = env->GetMethodID( |
| 136 | mediaScannerClientInterface, |
| 137 | "setMimeType", |
| 138 | "(Ljava/lang/String;)V"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 139 | } |
| 140 | } |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 141 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 142 | virtual ~MyMediaScannerClient() |
| 143 | { |
Steve Block | 06ade6a | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 144 | ALOGV("MyMediaScannerClient destructor"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 145 | mEnv->DeleteGlobalRef(mClient); |
| 146 | } |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 147 | |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 148 | virtual status_t scanFile(const char* path, long long lastModified, |
Mike Lockwood | 997354e | 2011-04-24 11:15:09 -0700 | [diff] [blame] | 149 | long long fileSize, bool isDirectory, bool noMedia) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 150 | { |
Steve Block | 06ade6a | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 151 | ALOGV("scanFile: path(%s), time(%lld), size(%lld) and isDir(%d)", |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 152 | path, lastModified, fileSize, isDirectory); |
| 153 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 154 | jstring pathStr; |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 155 | if ((pathStr = mEnv->NewStringUTF(path)) == NULL) { |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 156 | mEnv->ExceptionClear(); |
| 157 | return NO_MEMORY; |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 158 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 159 | |
Mike Lockwood | 076e05b | 2010-12-16 12:54:24 -0800 | [diff] [blame] | 160 | mEnv->CallVoidMethod(mClient, mScanFileMethodID, pathStr, lastModified, |
Mike Lockwood | 997354e | 2011-04-24 11:15:09 -0700 | [diff] [blame] | 161 | fileSize, isDirectory, noMedia); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 162 | |
| 163 | mEnv->DeleteLocalRef(pathStr); |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 164 | return checkAndClearExceptionFromCallback(mEnv, "scanFile"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 165 | } |
| 166 | |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 167 | virtual status_t handleStringTag(const char* name, const char* value) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 168 | { |
Steve Block | 06ade6a | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 169 | ALOGV("handleStringTag: name(%s) and value(%s)", name, value); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 170 | jstring nameStr, valueStr; |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 171 | if ((nameStr = mEnv->NewStringUTF(name)) == NULL) { |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 172 | mEnv->ExceptionClear(); |
| 173 | return NO_MEMORY; |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 174 | } |
Marco Nelissen | f51f1bd | 2011-11-02 10:49:50 -0700 | [diff] [blame] | 175 | char *cleaned = NULL; |
Marco Nelissen | a0a73ed | 2013-02-12 18:33:41 +0000 | [diff] [blame] | 176 | if (!isValidUtf8(value)) { |
Marco Nelissen | f51f1bd | 2011-11-02 10:49:50 -0700 | [diff] [blame] | 177 | cleaned = strdup(value); |
| 178 | char *chp = cleaned; |
| 179 | char ch; |
| 180 | while ((ch = *chp)) { |
| 181 | if (ch & 0x80) { |
| 182 | *chp = '?'; |
| 183 | } |
| 184 | chp++; |
| 185 | } |
| 186 | value = cleaned; |
| 187 | } |
| 188 | valueStr = mEnv->NewStringUTF(value); |
| 189 | free(cleaned); |
| 190 | if (valueStr == NULL) { |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 191 | mEnv->DeleteLocalRef(nameStr); |
| 192 | mEnv->ExceptionClear(); |
| 193 | return NO_MEMORY; |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 194 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 195 | |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 196 | mEnv->CallVoidMethod( |
| 197 | mClient, mHandleStringTagMethodID, nameStr, valueStr); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 198 | |
| 199 | mEnv->DeleteLocalRef(nameStr); |
| 200 | mEnv->DeleteLocalRef(valueStr); |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 201 | return checkAndClearExceptionFromCallback(mEnv, "handleStringTag"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 202 | } |
| 203 | |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 204 | virtual status_t setMimeType(const char* mimeType) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 205 | { |
Steve Block | 06ade6a | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 206 | ALOGV("setMimeType: %s", mimeType); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 207 | jstring mimeTypeStr; |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 208 | if ((mimeTypeStr = mEnv->NewStringUTF(mimeType)) == NULL) { |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 209 | mEnv->ExceptionClear(); |
| 210 | return NO_MEMORY; |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 211 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 212 | |
| 213 | mEnv->CallVoidMethod(mClient, mSetMimeTypeMethodID, mimeTypeStr); |
| 214 | |
| 215 | mEnv->DeleteLocalRef(mimeTypeStr); |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 216 | return checkAndClearExceptionFromCallback(mEnv, "setMimeType"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 217 | } |
| 218 | |
| 219 | private: |
| 220 | JNIEnv *mEnv; |
| 221 | jobject mClient; |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 222 | jmethodID mScanFileMethodID; |
| 223 | jmethodID mHandleStringTagMethodID; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 224 | jmethodID mSetMimeTypeMethodID; |
| 225 | }; |
| 226 | |
| 227 | |
James Dong | 133cf8b | 2011-03-11 15:18:40 -0800 | [diff] [blame] | 228 | static MediaScanner *getNativeScanner_l(JNIEnv* env, jobject thiz) |
| 229 | { |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 230 | return (MediaScanner *) env->GetLongField(thiz, fields.context); |
James Dong | 133cf8b | 2011-03-11 15:18:40 -0800 | [diff] [blame] | 231 | } |
| 232 | |
James Dong | 133cf8b | 2011-03-11 15:18:40 -0800 | [diff] [blame] | 233 | static void setNativeScanner_l(JNIEnv* env, jobject thiz, MediaScanner *s) |
| 234 | { |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 235 | env->SetLongField(thiz, fields.context, (jlong)s); |
James Dong | 133cf8b | 2011-03-11 15:18:40 -0800 | [diff] [blame] | 236 | } |
| 237 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 238 | static void |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 239 | android_media_MediaScanner_processDirectory( |
| 240 | JNIEnv *env, jobject thiz, jstring path, jobject client) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 241 | { |
Steve Block | 06ade6a | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 242 | ALOGV("processDirectory"); |
James Dong | 133cf8b | 2011-03-11 15:18:40 -0800 | [diff] [blame] | 243 | MediaScanner *mp = getNativeScanner_l(env, thiz); |
| 244 | if (mp == NULL) { |
| 245 | jniThrowException(env, kRunTimeException, "No scanner available"); |
| 246 | return; |
| 247 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 248 | |
| 249 | if (path == NULL) { |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 250 | jniThrowException(env, kIllegalArgumentException, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 251 | return; |
| 252 | } |
Mike Lockwood | c37255d | 2010-09-10 14:47:36 -0400 | [diff] [blame] | 253 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 254 | const char *pathStr = env->GetStringUTFChars(path, NULL); |
| 255 | if (pathStr == NULL) { // Out of memory |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 256 | return; |
| 257 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 258 | |
| 259 | MyMediaScannerClient myClient(env, client); |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 260 | MediaScanResult result = mp->processDirectory(pathStr, myClient); |
| 261 | if (result == MEDIA_SCAN_RESULT_ERROR) { |
Steve Block | c6aacce | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 262 | ALOGE("An error occurred while scanning directory '%s'.", pathStr); |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 263 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 264 | env->ReleaseStringUTFChars(path, pathStr); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 265 | } |
| 266 | |
| 267 | static void |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 268 | android_media_MediaScanner_processFile( |
| 269 | JNIEnv *env, jobject thiz, jstring path, |
| 270 | jstring mimeType, jobject client) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 271 | { |
Steve Block | 06ade6a | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 272 | ALOGV("processFile"); |
James Dong | 133cf8b | 2011-03-11 15:18:40 -0800 | [diff] [blame] | 273 | |
| 274 | // Lock already hold by processDirectory |
| 275 | MediaScanner *mp = getNativeScanner_l(env, thiz); |
| 276 | if (mp == NULL) { |
| 277 | jniThrowException(env, kRunTimeException, "No scanner available"); |
| 278 | return; |
| 279 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 280 | |
| 281 | if (path == NULL) { |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 282 | jniThrowException(env, kIllegalArgumentException, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 283 | return; |
| 284 | } |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 285 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 286 | const char *pathStr = env->GetStringUTFChars(path, NULL); |
| 287 | if (pathStr == NULL) { // Out of memory |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 288 | return; |
| 289 | } |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 290 | |
| 291 | const char *mimeTypeStr = |
| 292 | (mimeType ? env->GetStringUTFChars(mimeType, NULL) : NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 293 | if (mimeType && mimeTypeStr == NULL) { // Out of memory |
James Dong | c371a02 | 2011-04-06 12:16:07 -0700 | [diff] [blame] | 294 | // ReleaseStringUTFChars can be called with an exception pending. |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 295 | env->ReleaseStringUTFChars(path, pathStr); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 296 | return; |
| 297 | } |
| 298 | |
| 299 | MyMediaScannerClient myClient(env, client); |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 300 | MediaScanResult result = mp->processFile(pathStr, mimeTypeStr, myClient); |
| 301 | if (result == MEDIA_SCAN_RESULT_ERROR) { |
Steve Block | c6aacce | 2012-01-06 19:20:56 +0000 | [diff] [blame] | 302 | ALOGE("An error occurred while scanning file '%s'.", pathStr); |
Jeff Brown | 2c70d4a | 2011-07-20 16:38:43 -0700 | [diff] [blame] | 303 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 304 | env->ReleaseStringUTFChars(path, pathStr); |
| 305 | if (mimeType) { |
| 306 | env->ReleaseStringUTFChars(mimeType, mimeTypeStr); |
| 307 | } |
| 308 | } |
| 309 | |
| 310 | static void |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 311 | android_media_MediaScanner_setLocale( |
| 312 | JNIEnv *env, jobject thiz, jstring locale) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 313 | { |
Steve Block | 06ade6a | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 314 | ALOGV("setLocale"); |
James Dong | 133cf8b | 2011-03-11 15:18:40 -0800 | [diff] [blame] | 315 | MediaScanner *mp = getNativeScanner_l(env, thiz); |
| 316 | if (mp == NULL) { |
| 317 | jniThrowException(env, kRunTimeException, "No scanner available"); |
| 318 | return; |
| 319 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 320 | |
| 321 | if (locale == NULL) { |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 322 | jniThrowException(env, kIllegalArgumentException, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 323 | return; |
| 324 | } |
| 325 | const char *localeStr = env->GetStringUTFChars(locale, NULL); |
| 326 | if (localeStr == NULL) { // Out of memory |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 327 | return; |
| 328 | } |
| 329 | mp->setLocale(localeStr); |
| 330 | |
| 331 | env->ReleaseStringUTFChars(locale, localeStr); |
| 332 | } |
| 333 | |
| 334 | static jbyteArray |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 335 | android_media_MediaScanner_extractAlbumArt( |
| 336 | JNIEnv *env, jobject thiz, jobject fileDescriptor) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 337 | { |
Steve Block | 06ade6a | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 338 | ALOGV("extractAlbumArt"); |
James Dong | 133cf8b | 2011-03-11 15:18:40 -0800 | [diff] [blame] | 339 | MediaScanner *mp = getNativeScanner_l(env, thiz); |
| 340 | if (mp == NULL) { |
| 341 | jniThrowException(env, kRunTimeException, "No scanner available"); |
| 342 | return NULL; |
| 343 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 344 | |
| 345 | if (fileDescriptor == NULL) { |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 346 | jniThrowException(env, kIllegalArgumentException, NULL); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 347 | return NULL; |
| 348 | } |
| 349 | |
Elliott Hughes | a3804cf | 2011-04-11 16:50:19 -0700 | [diff] [blame] | 350 | int fd = jniGetFDFromFileDescriptor(env, fileDescriptor); |
Elliott Hughes | 95d3f86 | 2014-06-10 16:53:31 -0700 | [diff] [blame] | 351 | MediaAlbumArt* mediaAlbumArt = mp->extractAlbumArt(fd); |
Elliott Hughes | e0f2fa3 | 2014-06-09 09:22:58 -0700 | [diff] [blame] | 352 | if (mediaAlbumArt == NULL) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 353 | return NULL; |
| 354 | } |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 355 | |
Elliott Hughes | 95d3f86 | 2014-06-10 16:53:31 -0700 | [diff] [blame] | 356 | jbyteArray array = env->NewByteArray(mediaAlbumArt->size()); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 357 | if (array != NULL) { |
Elliott Hughes | 95d3f86 | 2014-06-10 16:53:31 -0700 | [diff] [blame] | 358 | const jbyte* data = |
| 359 | reinterpret_cast<const jbyte*>(mediaAlbumArt->data()); |
| 360 | env->SetByteArrayRegion(array, 0, mediaAlbumArt->size(), data); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 361 | } |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 362 | |
Elliott Hughes | 9fa803b | 2014-06-05 10:38:30 -0700 | [diff] [blame] | 363 | free(mediaAlbumArt); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 364 | // if NewByteArray() returned NULL, an out-of-memory |
| 365 | // exception will have been raised. I just want to |
| 366 | // return null in that case. |
| 367 | env->ExceptionClear(); |
| 368 | return array; |
| 369 | } |
| 370 | |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 371 | // This function gets a field ID, which in turn causes class initialization. |
| 372 | // It is called from a static block in MediaScanner, which won't run until the |
| 373 | // first time an instance of this class is used. |
| 374 | static void |
| 375 | android_media_MediaScanner_native_init(JNIEnv *env) |
| 376 | { |
Steve Block | 06ade6a | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 377 | ALOGV("native_init"); |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 378 | jclass clazz = env->FindClass(kClassMediaScanner); |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 379 | if (clazz == NULL) { |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 380 | return; |
| 381 | } |
| 382 | |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 383 | fields.context = env->GetFieldID(clazz, "mNativeContext", "J"); |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 384 | if (fields.context == NULL) { |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 385 | return; |
| 386 | } |
| 387 | } |
| 388 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 389 | static void |
| 390 | android_media_MediaScanner_native_setup(JNIEnv *env, jobject thiz) |
| 391 | { |
Steve Block | 06ade6a | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 392 | ALOGV("native_setup"); |
Andreas Huber | 8d65dd2 | 2010-06-23 16:40:57 -0700 | [diff] [blame] | 393 | MediaScanner *mp = new StagefrightMediaScanner; |
Andreas Huber | bfb9fb1 | 2009-12-03 11:31:19 -0800 | [diff] [blame] | 394 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 395 | if (mp == NULL) { |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 396 | jniThrowException(env, kRunTimeException, "Out of memory"); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 397 | return; |
| 398 | } |
| 399 | |
Ashok Bhat | 075e9a1 | 2014-01-06 13:45:09 +0000 | [diff] [blame] | 400 | env->SetLongField(thiz, fields.context, (jlong)mp); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 401 | } |
| 402 | |
| 403 | static void |
| 404 | android_media_MediaScanner_native_finalize(JNIEnv *env, jobject thiz) |
| 405 | { |
Steve Block | 06ade6a | 2011-10-20 11:56:00 +0100 | [diff] [blame] | 406 | ALOGV("native_finalize"); |
James Dong | 133cf8b | 2011-03-11 15:18:40 -0800 | [diff] [blame] | 407 | MediaScanner *mp = getNativeScanner_l(env, thiz); |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 408 | if (mp == 0) { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 409 | return; |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 410 | } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 411 | delete mp; |
James Dong | 133cf8b | 2011-03-11 15:18:40 -0800 | [diff] [blame] | 412 | setNativeScanner_l(env, thiz, 0); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 413 | } |
| 414 | |
Daniel Micay | 76f6a86 | 2015-09-19 17:31:01 -0400 | [diff] [blame] | 415 | static const JNINativeMethod gMethods[] = { |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 416 | { |
| 417 | "processDirectory", |
| 418 | "(Ljava/lang/String;Landroid/media/MediaScannerClient;)V", |
| 419 | (void *)android_media_MediaScanner_processDirectory |
| 420 | }, |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 421 | |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 422 | { |
| 423 | "processFile", |
| 424 | "(Ljava/lang/String;Ljava/lang/String;Landroid/media/MediaScannerClient;)V", |
| 425 | (void *)android_media_MediaScanner_processFile |
| 426 | }, |
| 427 | |
| 428 | { |
| 429 | "setLocale", |
| 430 | "(Ljava/lang/String;)V", |
| 431 | (void *)android_media_MediaScanner_setLocale |
| 432 | }, |
| 433 | |
| 434 | { |
| 435 | "extractAlbumArt", |
| 436 | "(Ljava/io/FileDescriptor;)[B", |
| 437 | (void *)android_media_MediaScanner_extractAlbumArt |
| 438 | }, |
| 439 | |
| 440 | { |
| 441 | "native_init", |
| 442 | "()V", |
| 443 | (void *)android_media_MediaScanner_native_init |
| 444 | }, |
| 445 | |
| 446 | { |
| 447 | "native_setup", |
| 448 | "()V", |
| 449 | (void *)android_media_MediaScanner_native_setup |
| 450 | }, |
| 451 | |
| 452 | { |
| 453 | "native_finalize", |
| 454 | "()V", |
| 455 | (void *)android_media_MediaScanner_native_finalize |
| 456 | }, |
| 457 | }; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 458 | |
Marco Nelissen | 4935d05 | 2009-08-03 11:12:58 -0700 | [diff] [blame] | 459 | // This function only registers the native methods, and is called from |
| 460 | // JNI_OnLoad in android_media_MediaPlayer.cpp |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 461 | int register_android_media_MediaScanner(JNIEnv *env) |
| 462 | { |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 463 | return AndroidRuntime::registerNativeMethods(env, |
James Dong | f399752 | 2011-03-11 12:02:12 -0800 | [diff] [blame] | 464 | kClassMediaScanner, gMethods, NELEM(gMethods)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 465 | } |