| /* | |
| * Copyright (C) 2010 The Android Open Source Project | |
| * | |
| * Licensed under the Apache License, Version 2.0 (the "License"); | |
| * you may not use this file except in compliance with the License. | |
| * You may obtain a copy of the License at | |
| * | |
| * http://www.apache.org/licenses/LICENSE-2.0 | |
| * | |
| * Unless required by applicable law or agreed to in writing, software | |
| * distributed under the License is distributed on an "AS IS" BASIS, | |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| * See the License for the specific language governing permissions and | |
| * limitations under the License. | |
| */ | |
| #define LOG_TAG "MtpDatabaseJNI" | |
| #include "utils/Log.h" | |
| #include "utils/String8.h" | |
| #include "android_media_Streams.h" | |
| #include "mtp.h" | |
| #include "IMtpDatabase.h" | |
| #include "MtpDataPacket.h" | |
| #include "MtpObjectInfo.h" | |
| #include "MtpProperty.h" | |
| #include "MtpStringBuffer.h" | |
| #include "MtpUtils.h" | |
| #include "src/piex_types.h" | |
| #include "src/piex.h" | |
| extern "C" { | |
| #include "libexif/exif-content.h" | |
| #include "libexif/exif-data.h" | |
| #include "libexif/exif-tag.h" | |
| #include "libexif/exif-utils.h" | |
| } | |
| #include <android_runtime/AndroidRuntime.h> | |
| #include <android_runtime/Log.h> | |
| #include <jni.h> | |
| #include <media/stagefright/NuMediaExtractor.h> | |
| #include <nativehelper/JNIHelp.h> | |
| #include <nativehelper/ScopedLocalRef.h> | |
| #include <assert.h> | |
| #include <fcntl.h> | |
| #include <inttypes.h> | |
| #include <limits.h> | |
| #include <stdio.h> | |
| #include <unistd.h> | |
| using namespace android; | |
| // ---------------------------------------------------------------------------- | |
| static jmethodID method_beginSendObject; | |
| static jmethodID method_endSendObject; | |
| static jmethodID method_rescanFile; | |
| static jmethodID method_getObjectList; | |
| static jmethodID method_getNumObjects; | |
| static jmethodID method_getSupportedPlaybackFormats; | |
| static jmethodID method_getSupportedCaptureFormats; | |
| static jmethodID method_getSupportedObjectProperties; | |
| static jmethodID method_getSupportedDeviceProperties; | |
| static jmethodID method_setObjectProperty; | |
| static jmethodID method_getDeviceProperty; | |
| static jmethodID method_setDeviceProperty; | |
| static jmethodID method_getObjectPropertyList; | |
| static jmethodID method_getObjectInfo; | |
| static jmethodID method_getObjectFilePath; | |
| static jmethodID method_beginDeleteObject; | |
| static jmethodID method_endDeleteObject; | |
| static jmethodID method_beginMoveObject; | |
| static jmethodID method_endMoveObject; | |
| static jmethodID method_beginCopyObject; | |
| static jmethodID method_endCopyObject; | |
| static jmethodID method_getObjectReferences; | |
| static jmethodID method_setObjectReferences; | |
| static jfieldID field_context; | |
| // MtpPropertyList methods | |
| static jmethodID method_getCode; | |
| static jmethodID method_getCount; | |
| static jmethodID method_getObjectHandles; | |
| static jmethodID method_getPropertyCodes; | |
| static jmethodID method_getDataTypes; | |
| static jmethodID method_getLongValues; | |
| static jmethodID method_getStringValues; | |
| IMtpDatabase* getMtpDatabase(JNIEnv *env, jobject database) { | |
| return (IMtpDatabase *)env->GetLongField(database, field_context); | |
| } | |
| // ---------------------------------------------------------------------------- | |
| class MtpDatabase : public IMtpDatabase { | |
| private: | |
| jobject mDatabase; | |
| jintArray mIntBuffer; | |
| jlongArray mLongBuffer; | |
| jcharArray mStringBuffer; | |
| public: | |
| MtpDatabase(JNIEnv *env, jobject client); | |
| virtual ~MtpDatabase(); | |
| void cleanup(JNIEnv *env); | |
| virtual MtpObjectHandle beginSendObject(const char* path, | |
| MtpObjectFormat format, | |
| MtpObjectHandle parent, | |
| MtpStorageID storage); | |
| virtual void endSendObject(MtpObjectHandle handle, bool succeeded); | |
| virtual void rescanFile(const char* path, | |
| MtpObjectHandle handle, | |
| MtpObjectFormat format); | |
| virtual MtpObjectHandleList* getObjectList(MtpStorageID storageID, | |
| MtpObjectFormat format, | |
| MtpObjectHandle parent); | |
| virtual int getNumObjects(MtpStorageID storageID, | |
| MtpObjectFormat format, | |
| MtpObjectHandle parent); | |
| // callee should delete[] the results from these | |
| // results can be NULL | |
| virtual MtpObjectFormatList* getSupportedPlaybackFormats(); | |
| virtual MtpObjectFormatList* getSupportedCaptureFormats(); | |
| virtual MtpObjectPropertyList* getSupportedObjectProperties(MtpObjectFormat format); | |
| virtual MtpDevicePropertyList* getSupportedDeviceProperties(); | |
| virtual MtpResponseCode getObjectPropertyValue(MtpObjectHandle handle, | |
| MtpObjectProperty property, | |
| MtpDataPacket& packet); | |
| virtual MtpResponseCode setObjectPropertyValue(MtpObjectHandle handle, | |
| MtpObjectProperty property, | |
| MtpDataPacket& packet); | |
| virtual MtpResponseCode getDevicePropertyValue(MtpDeviceProperty property, | |
| MtpDataPacket& packet); | |
| virtual MtpResponseCode setDevicePropertyValue(MtpDeviceProperty property, | |
| MtpDataPacket& packet); | |
| virtual MtpResponseCode resetDeviceProperty(MtpDeviceProperty property); | |
| virtual MtpResponseCode getObjectPropertyList(MtpObjectHandle handle, | |
| uint32_t format, uint32_t property, | |
| int groupCode, int depth, | |
| MtpDataPacket& packet); | |
| virtual MtpResponseCode getObjectInfo(MtpObjectHandle handle, | |
| MtpObjectInfo& info); | |
| virtual void* getThumbnail(MtpObjectHandle handle, size_t& outThumbSize); | |
| virtual MtpResponseCode getObjectFilePath(MtpObjectHandle handle, | |
| MtpStringBuffer& outFilePath, | |
| int64_t& outFileLength, | |
| MtpObjectFormat& outFormat); | |
| virtual MtpResponseCode beginDeleteObject(MtpObjectHandle handle); | |
| virtual void endDeleteObject(MtpObjectHandle handle, bool succeeded); | |
| bool getObjectPropertyInfo(MtpObjectProperty property, int& type); | |
| bool getDevicePropertyInfo(MtpDeviceProperty property, int& type); | |
| virtual MtpObjectHandleList* getObjectReferences(MtpObjectHandle handle); | |
| virtual MtpResponseCode setObjectReferences(MtpObjectHandle handle, | |
| MtpObjectHandleList* references); | |
| virtual MtpProperty* getObjectPropertyDesc(MtpObjectProperty property, | |
| MtpObjectFormat format); | |
| virtual MtpProperty* getDevicePropertyDesc(MtpDeviceProperty property); | |
| virtual MtpResponseCode beginMoveObject(MtpObjectHandle handle, MtpObjectHandle newParent, | |
| MtpStorageID newStorage); | |
| virtual void endMoveObject(MtpObjectHandle oldParent, MtpObjectHandle newParent, | |
| MtpStorageID oldStorage, MtpStorageID newStorage, | |
| MtpObjectHandle handle, bool succeeded); | |
| virtual MtpResponseCode beginCopyObject(MtpObjectHandle handle, MtpObjectHandle newParent, | |
| MtpStorageID newStorage); | |
| virtual void endCopyObject(MtpObjectHandle handle, bool succeeded); | |
| }; | |
| // ---------------------------------------------------------------------------- | |
| static void checkAndClearExceptionFromCallback(JNIEnv* env, const char* methodName) { | |
| if (env->ExceptionCheck()) { | |
| ALOGE("An exception was thrown by callback '%s'.", methodName); | |
| LOGE_EX(env); | |
| env->ExceptionClear(); | |
| } | |
| } | |
| // ---------------------------------------------------------------------------- | |
| MtpDatabase::MtpDatabase(JNIEnv *env, jobject client) | |
| : mDatabase(env->NewGlobalRef(client)), | |
| mIntBuffer(NULL), | |
| mLongBuffer(NULL), | |
| mStringBuffer(NULL) | |
| { | |
| // create buffers for out arguments | |
| // we don't need to be thread-safe so this is OK | |
| jintArray intArray = env->NewIntArray(3); | |
| if (!intArray) { | |
| return; // Already threw. | |
| } | |
| mIntBuffer = (jintArray)env->NewGlobalRef(intArray); | |
| jlongArray longArray = env->NewLongArray(2); | |
| if (!longArray) { | |
| return; // Already threw. | |
| } | |
| mLongBuffer = (jlongArray)env->NewGlobalRef(longArray); | |
| // Needs to be long enough to hold a file path for getObjectFilePath() | |
| jcharArray charArray = env->NewCharArray(PATH_MAX + 1); | |
| if (!charArray) { | |
| return; // Already threw. | |
| } | |
| mStringBuffer = (jcharArray)env->NewGlobalRef(charArray); | |
| } | |
| void MtpDatabase::cleanup(JNIEnv *env) { | |
| env->DeleteGlobalRef(mDatabase); | |
| env->DeleteGlobalRef(mIntBuffer); | |
| env->DeleteGlobalRef(mLongBuffer); | |
| env->DeleteGlobalRef(mStringBuffer); | |
| } | |
| MtpDatabase::~MtpDatabase() { | |
| } | |
| MtpObjectHandle MtpDatabase::beginSendObject(const char* path, | |
| MtpObjectFormat format, | |
| MtpObjectHandle parent, | |
| MtpStorageID storage) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| jstring pathStr = env->NewStringUTF(path); | |
| MtpObjectHandle result = env->CallIntMethod(mDatabase, method_beginSendObject, | |
| pathStr, (jint)format, (jint)parent, (jint)storage); | |
| if (pathStr) | |
| env->DeleteLocalRef(pathStr); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return result; | |
| } | |
| void MtpDatabase::endSendObject(MtpObjectHandle handle, bool succeeded) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| env->CallVoidMethod(mDatabase, method_endSendObject, (jint)handle, (jboolean)succeeded); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| } | |
| void MtpDatabase::rescanFile(const char* path, MtpObjectHandle handle, | |
| MtpObjectFormat format) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| jstring pathStr = env->NewStringUTF(path); | |
| env->CallVoidMethod(mDatabase, method_rescanFile, pathStr, | |
| (jint)handle, (jint)format); | |
| if (pathStr) | |
| env->DeleteLocalRef(pathStr); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| } | |
| MtpObjectHandleList* MtpDatabase::getObjectList(MtpStorageID storageID, | |
| MtpObjectFormat format, | |
| MtpObjectHandle parent) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| jintArray array = (jintArray)env->CallObjectMethod(mDatabase, method_getObjectList, | |
| (jint)storageID, (jint)format, (jint)parent); | |
| if (!array) | |
| return NULL; | |
| MtpObjectHandleList* list = new MtpObjectHandleList(); | |
| jint* handles = env->GetIntArrayElements(array, 0); | |
| jsize length = env->GetArrayLength(array); | |
| for (int i = 0; i < length; i++) | |
| list->push_back(handles[i]); | |
| env->ReleaseIntArrayElements(array, handles, 0); | |
| env->DeleteLocalRef(array); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return list; | |
| } | |
| int MtpDatabase::getNumObjects(MtpStorageID storageID, | |
| MtpObjectFormat format, | |
| MtpObjectHandle parent) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| int result = env->CallIntMethod(mDatabase, method_getNumObjects, | |
| (jint)storageID, (jint)format, (jint)parent); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return result; | |
| } | |
| MtpObjectFormatList* MtpDatabase::getSupportedPlaybackFormats() { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| jintArray array = (jintArray)env->CallObjectMethod(mDatabase, | |
| method_getSupportedPlaybackFormats); | |
| if (!array) | |
| return NULL; | |
| MtpObjectFormatList* list = new MtpObjectFormatList(); | |
| jint* formats = env->GetIntArrayElements(array, 0); | |
| jsize length = env->GetArrayLength(array); | |
| for (int i = 0; i < length; i++) | |
| list->push_back(formats[i]); | |
| env->ReleaseIntArrayElements(array, formats, 0); | |
| env->DeleteLocalRef(array); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return list; | |
| } | |
| MtpObjectFormatList* MtpDatabase::getSupportedCaptureFormats() { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| jintArray array = (jintArray)env->CallObjectMethod(mDatabase, | |
| method_getSupportedCaptureFormats); | |
| if (!array) | |
| return NULL; | |
| MtpObjectFormatList* list = new MtpObjectFormatList(); | |
| jint* formats = env->GetIntArrayElements(array, 0); | |
| jsize length = env->GetArrayLength(array); | |
| for (int i = 0; i < length; i++) | |
| list->push_back(formats[i]); | |
| env->ReleaseIntArrayElements(array, formats, 0); | |
| env->DeleteLocalRef(array); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return list; | |
| } | |
| MtpObjectPropertyList* MtpDatabase::getSupportedObjectProperties(MtpObjectFormat format) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| jintArray array = (jintArray)env->CallObjectMethod(mDatabase, | |
| method_getSupportedObjectProperties, (jint)format); | |
| if (!array) | |
| return NULL; | |
| MtpObjectPropertyList* list = new MtpObjectPropertyList(); | |
| jint* properties = env->GetIntArrayElements(array, 0); | |
| jsize length = env->GetArrayLength(array); | |
| for (int i = 0; i < length; i++) | |
| list->push_back(properties[i]); | |
| env->ReleaseIntArrayElements(array, properties, 0); | |
| env->DeleteLocalRef(array); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return list; | |
| } | |
| MtpDevicePropertyList* MtpDatabase::getSupportedDeviceProperties() { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| jintArray array = (jintArray)env->CallObjectMethod(mDatabase, | |
| method_getSupportedDeviceProperties); | |
| if (!array) | |
| return NULL; | |
| MtpDevicePropertyList* list = new MtpDevicePropertyList(); | |
| jint* properties = env->GetIntArrayElements(array, 0); | |
| jsize length = env->GetArrayLength(array); | |
| for (int i = 0; i < length; i++) | |
| list->push_back(properties[i]); | |
| env->ReleaseIntArrayElements(array, properties, 0); | |
| env->DeleteLocalRef(array); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return list; | |
| } | |
| MtpResponseCode MtpDatabase::getObjectPropertyValue(MtpObjectHandle handle, | |
| MtpObjectProperty property, | |
| MtpDataPacket& packet) { | |
| static_assert(sizeof(jint) >= sizeof(MtpObjectHandle), | |
| "Casting MtpObjectHandle to jint loses a value"); | |
| static_assert(sizeof(jint) >= sizeof(MtpObjectProperty), | |
| "Casting MtpObjectProperty to jint loses a value"); | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| jobject list = env->CallObjectMethod( | |
| mDatabase, | |
| method_getObjectPropertyList, | |
| static_cast<jint>(handle), | |
| 0, | |
| static_cast<jint>(property), | |
| 0, | |
| 0); | |
| MtpResponseCode result = env->CallIntMethod(list, method_getCode); | |
| jint count = env->CallIntMethod(list, method_getCount); | |
| if (count != 1) | |
| result = MTP_RESPONSE_GENERAL_ERROR; | |
| if (result == MTP_RESPONSE_OK) { | |
| jintArray objectHandlesArray = (jintArray)env->CallObjectMethod(list, method_getObjectHandles); | |
| jintArray propertyCodesArray = (jintArray)env->CallObjectMethod(list, method_getPropertyCodes); | |
| jintArray dataTypesArray = (jintArray)env->CallObjectMethod(list, method_getDataTypes); | |
| jlongArray longValuesArray = (jlongArray)env->CallObjectMethod(list, method_getLongValues); | |
| jobjectArray stringValuesArray = (jobjectArray)env->CallObjectMethod(list, method_getStringValues); | |
| jint* objectHandles = env->GetIntArrayElements(objectHandlesArray, 0); | |
| jint* propertyCodes = env->GetIntArrayElements(propertyCodesArray, 0); | |
| jint* dataTypes = env->GetIntArrayElements(dataTypesArray, 0); | |
| jlong* longValues = env->GetLongArrayElements(longValuesArray, 0); | |
| int type = dataTypes[0]; | |
| jlong longValue = (longValues ? longValues[0] : 0); | |
| switch (type) { | |
| case MTP_TYPE_INT8: | |
| packet.putInt8(longValue); | |
| break; | |
| case MTP_TYPE_UINT8: | |
| packet.putUInt8(longValue); | |
| break; | |
| case MTP_TYPE_INT16: | |
| packet.putInt16(longValue); | |
| break; | |
| case MTP_TYPE_UINT16: | |
| packet.putUInt16(longValue); | |
| break; | |
| case MTP_TYPE_INT32: | |
| packet.putInt32(longValue); | |
| break; | |
| case MTP_TYPE_UINT32: | |
| packet.putUInt32(longValue); | |
| break; | |
| case MTP_TYPE_INT64: | |
| packet.putInt64(longValue); | |
| break; | |
| case MTP_TYPE_UINT64: | |
| packet.putUInt64(longValue); | |
| break; | |
| case MTP_TYPE_INT128: | |
| packet.putInt128(longValue); | |
| break; | |
| case MTP_TYPE_UINT128: | |
| packet.putUInt128(longValue); | |
| break; | |
| case MTP_TYPE_STR: | |
| { | |
| jstring stringValue = (jstring)env->GetObjectArrayElement(stringValuesArray, 0); | |
| const char* str = (stringValue ? env->GetStringUTFChars(stringValue, NULL) : NULL); | |
| if (stringValue) { | |
| packet.putString(str); | |
| env->ReleaseStringUTFChars(stringValue, str); | |
| } else { | |
| packet.putEmptyString(); | |
| } | |
| env->DeleteLocalRef(stringValue); | |
| break; | |
| } | |
| default: | |
| ALOGE("unsupported type in getObjectPropertyValue\n"); | |
| result = MTP_RESPONSE_INVALID_OBJECT_PROP_FORMAT; | |
| } | |
| env->ReleaseIntArrayElements(objectHandlesArray, objectHandles, 0); | |
| env->ReleaseIntArrayElements(propertyCodesArray, propertyCodes, 0); | |
| env->ReleaseIntArrayElements(dataTypesArray, dataTypes, 0); | |
| env->ReleaseLongArrayElements(longValuesArray, longValues, 0); | |
| env->DeleteLocalRef(objectHandlesArray); | |
| env->DeleteLocalRef(propertyCodesArray); | |
| env->DeleteLocalRef(dataTypesArray); | |
| env->DeleteLocalRef(longValuesArray); | |
| env->DeleteLocalRef(stringValuesArray); | |
| } | |
| env->DeleteLocalRef(list); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return result; | |
| } | |
| static bool readLongValue(int type, MtpDataPacket& packet, jlong& longValue) { | |
| switch (type) { | |
| case MTP_TYPE_INT8: { | |
| int8_t temp; | |
| if (!packet.getInt8(temp)) return false; | |
| longValue = temp; | |
| break; | |
| } | |
| case MTP_TYPE_UINT8: { | |
| uint8_t temp; | |
| if (!packet.getUInt8(temp)) return false; | |
| longValue = temp; | |
| break; | |
| } | |
| case MTP_TYPE_INT16: { | |
| int16_t temp; | |
| if (!packet.getInt16(temp)) return false; | |
| longValue = temp; | |
| break; | |
| } | |
| case MTP_TYPE_UINT16: { | |
| uint16_t temp; | |
| if (!packet.getUInt16(temp)) return false; | |
| longValue = temp; | |
| break; | |
| } | |
| case MTP_TYPE_INT32: { | |
| int32_t temp; | |
| if (!packet.getInt32(temp)) return false; | |
| longValue = temp; | |
| break; | |
| } | |
| case MTP_TYPE_UINT32: { | |
| uint32_t temp; | |
| if (!packet.getUInt32(temp)) return false; | |
| longValue = temp; | |
| break; | |
| } | |
| case MTP_TYPE_INT64: { | |
| int64_t temp; | |
| if (!packet.getInt64(temp)) return false; | |
| longValue = temp; | |
| break; | |
| } | |
| case MTP_TYPE_UINT64: { | |
| uint64_t temp; | |
| if (!packet.getUInt64(temp)) return false; | |
| longValue = temp; | |
| break; | |
| } | |
| default: | |
| ALOGE("unsupported type in readLongValue"); | |
| return false; | |
| } | |
| return true; | |
| } | |
| MtpResponseCode MtpDatabase::setObjectPropertyValue(MtpObjectHandle handle, | |
| MtpObjectProperty property, | |
| MtpDataPacket& packet) { | |
| int type; | |
| if (!getObjectPropertyInfo(property, type)) | |
| return MTP_RESPONSE_OBJECT_PROP_NOT_SUPPORTED; | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| jlong longValue = 0; | |
| jstring stringValue = NULL; | |
| MtpResponseCode result = MTP_RESPONSE_INVALID_OBJECT_PROP_FORMAT; | |
| if (type == MTP_TYPE_STR) { | |
| MtpStringBuffer buffer; | |
| if (!packet.getString(buffer)) goto fail; | |
| stringValue = env->NewStringUTF((const char *)buffer); | |
| } else { | |
| if (!readLongValue(type, packet, longValue)) goto fail; | |
| } | |
| result = env->CallIntMethod(mDatabase, method_setObjectProperty, | |
| (jint)handle, (jint)property, longValue, stringValue); | |
| if (stringValue) | |
| env->DeleteLocalRef(stringValue); | |
| fail: | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return result; | |
| } | |
| MtpResponseCode MtpDatabase::getDevicePropertyValue(MtpDeviceProperty property, | |
| MtpDataPacket& packet) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| int type; | |
| if (!getDevicePropertyInfo(property, type)) | |
| return MTP_RESPONSE_DEVICE_PROP_NOT_SUPPORTED; | |
| jint result = env->CallIntMethod(mDatabase, method_getDeviceProperty, | |
| (jint)property, mLongBuffer, mStringBuffer); | |
| if (result != MTP_RESPONSE_OK) { | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return result; | |
| } | |
| jlong* longValues = env->GetLongArrayElements(mLongBuffer, 0); | |
| jlong longValue = longValues[0]; | |
| env->ReleaseLongArrayElements(mLongBuffer, longValues, 0); | |
| switch (type) { | |
| case MTP_TYPE_INT8: | |
| packet.putInt8(longValue); | |
| break; | |
| case MTP_TYPE_UINT8: | |
| packet.putUInt8(longValue); | |
| break; | |
| case MTP_TYPE_INT16: | |
| packet.putInt16(longValue); | |
| break; | |
| case MTP_TYPE_UINT16: | |
| packet.putUInt16(longValue); | |
| break; | |
| case MTP_TYPE_INT32: | |
| packet.putInt32(longValue); | |
| break; | |
| case MTP_TYPE_UINT32: | |
| packet.putUInt32(longValue); | |
| break; | |
| case MTP_TYPE_INT64: | |
| packet.putInt64(longValue); | |
| break; | |
| case MTP_TYPE_UINT64: | |
| packet.putUInt64(longValue); | |
| break; | |
| case MTP_TYPE_INT128: | |
| packet.putInt128(longValue); | |
| break; | |
| case MTP_TYPE_UINT128: | |
| packet.putInt128(longValue); | |
| break; | |
| case MTP_TYPE_STR: | |
| { | |
| jchar* str = env->GetCharArrayElements(mStringBuffer, 0); | |
| packet.putString(str); | |
| env->ReleaseCharArrayElements(mStringBuffer, str, 0); | |
| break; | |
| } | |
| default: | |
| ALOGE("unsupported type in getDevicePropertyValue\n"); | |
| return MTP_RESPONSE_INVALID_DEVICE_PROP_FORMAT; | |
| } | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return MTP_RESPONSE_OK; | |
| } | |
| MtpResponseCode MtpDatabase::setDevicePropertyValue(MtpDeviceProperty property, | |
| MtpDataPacket& packet) { | |
| int type; | |
| if (!getDevicePropertyInfo(property, type)) | |
| return MTP_RESPONSE_DEVICE_PROP_NOT_SUPPORTED; | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| jlong longValue = 0; | |
| jstring stringValue = NULL; | |
| MtpResponseCode result = MTP_RESPONSE_INVALID_DEVICE_PROP_FORMAT; | |
| if (type == MTP_TYPE_STR) { | |
| MtpStringBuffer buffer; | |
| if (!packet.getString(buffer)) goto fail; | |
| stringValue = env->NewStringUTF((const char *)buffer); | |
| } else { | |
| if (!readLongValue(type, packet, longValue)) goto fail; | |
| } | |
| result = env->CallIntMethod(mDatabase, method_setDeviceProperty, | |
| (jint)property, longValue, stringValue); | |
| if (stringValue) | |
| env->DeleteLocalRef(stringValue); | |
| fail: | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return result; | |
| } | |
| MtpResponseCode MtpDatabase::resetDeviceProperty(MtpDeviceProperty /*property*/) { | |
| return -1; | |
| } | |
| MtpResponseCode MtpDatabase::getObjectPropertyList(MtpObjectHandle handle, | |
| uint32_t format, uint32_t property, | |
| int groupCode, int depth, | |
| MtpDataPacket& packet) { | |
| static_assert(sizeof(jint) >= sizeof(MtpObjectHandle), | |
| "Casting MtpObjectHandle to jint loses a value"); | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| jobject list = env->CallObjectMethod( | |
| mDatabase, | |
| method_getObjectPropertyList, | |
| static_cast<jint>(handle), | |
| static_cast<jint>(format), | |
| static_cast<jint>(property), | |
| static_cast<jint>(groupCode), | |
| static_cast<jint>(depth)); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| if (!list) | |
| return MTP_RESPONSE_GENERAL_ERROR; | |
| int count = env->CallIntMethod(list, method_getCount); | |
| MtpResponseCode result = env->CallIntMethod(list, method_getCode); | |
| packet.putUInt32(count); | |
| if (count > 0) { | |
| jintArray objectHandlesArray = (jintArray)env->CallObjectMethod(list, method_getObjectHandles); | |
| jintArray propertyCodesArray = (jintArray)env->CallObjectMethod(list, method_getPropertyCodes); | |
| jintArray dataTypesArray = (jintArray)env->CallObjectMethod(list, method_getDataTypes); | |
| jlongArray longValuesArray = (jlongArray)env->CallObjectMethod(list, method_getLongValues); | |
| jobjectArray stringValuesArray = (jobjectArray)env->CallObjectMethod(list, method_getStringValues); | |
| jint* objectHandles = env->GetIntArrayElements(objectHandlesArray, 0); | |
| jint* propertyCodes = env->GetIntArrayElements(propertyCodesArray, 0); | |
| jint* dataTypes = env->GetIntArrayElements(dataTypesArray, 0); | |
| jlong* longValues = (longValuesArray ? env->GetLongArrayElements(longValuesArray, 0) : NULL); | |
| for (int i = 0; i < count; i++) { | |
| packet.putUInt32(objectHandles[i]); | |
| packet.putUInt16(propertyCodes[i]); | |
| int type = dataTypes[i]; | |
| packet.putUInt16(type); | |
| if (type == MTP_TYPE_STR) { | |
| jstring value = (jstring)env->GetObjectArrayElement(stringValuesArray, i); | |
| const char *valueStr = (value ? env->GetStringUTFChars(value, NULL) : NULL); | |
| if (valueStr) { | |
| packet.putString(valueStr); | |
| env->ReleaseStringUTFChars(value, valueStr); | |
| } else { | |
| packet.putEmptyString(); | |
| } | |
| env->DeleteLocalRef(value); | |
| continue; | |
| } | |
| if (!longValues) { | |
| ALOGE("bad longValuesArray value in MyMtpDatabase::getObjectPropertyList"); | |
| continue; | |
| } | |
| switch (type) { | |
| case MTP_TYPE_INT8: | |
| packet.putInt8(longValues[i]); | |
| break; | |
| case MTP_TYPE_UINT8: | |
| packet.putUInt8(longValues[i]); | |
| break; | |
| case MTP_TYPE_INT16: | |
| packet.putInt16(longValues[i]); | |
| break; | |
| case MTP_TYPE_UINT16: | |
| packet.putUInt16(longValues[i]); | |
| break; | |
| case MTP_TYPE_INT32: | |
| packet.putInt32(longValues[i]); | |
| break; | |
| case MTP_TYPE_UINT32: | |
| packet.putUInt32(longValues[i]); | |
| break; | |
| case MTP_TYPE_INT64: | |
| packet.putInt64(longValues[i]); | |
| break; | |
| case MTP_TYPE_UINT64: | |
| packet.putUInt64(longValues[i]); | |
| break; | |
| case MTP_TYPE_INT128: | |
| packet.putInt128(longValues[i]); | |
| break; | |
| case MTP_TYPE_UINT128: | |
| packet.putUInt128(longValues[i]); | |
| break; | |
| default: | |
| ALOGE("bad or unsupported data type in MtpDatabase::getObjectPropertyList"); | |
| break; | |
| } | |
| } | |
| env->ReleaseIntArrayElements(objectHandlesArray, objectHandles, 0); | |
| env->ReleaseIntArrayElements(propertyCodesArray, propertyCodes, 0); | |
| env->ReleaseIntArrayElements(dataTypesArray, dataTypes, 0); | |
| env->ReleaseLongArrayElements(longValuesArray, longValues, 0); | |
| env->DeleteLocalRef(objectHandlesArray); | |
| env->DeleteLocalRef(propertyCodesArray); | |
| env->DeleteLocalRef(dataTypesArray); | |
| env->DeleteLocalRef(longValuesArray); | |
| env->DeleteLocalRef(stringValuesArray); | |
| } | |
| env->DeleteLocalRef(list); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return result; | |
| } | |
| static void foreachentry(ExifEntry *entry, void* /* user */) { | |
| char buf[1024]; | |
| ALOGI("entry %x, format %d, size %d: %s", | |
| entry->tag, entry->format, entry->size, exif_entry_get_value(entry, buf, sizeof(buf))); | |
| } | |
| static void foreachcontent(ExifContent *content, void *user) { | |
| ALOGI("content %d", exif_content_get_ifd(content)); | |
| exif_content_foreach_entry(content, foreachentry, user); | |
| } | |
| static long getLongFromExifEntry(ExifEntry *e) { | |
| ExifByteOrder o = exif_data_get_byte_order(e->parent->parent); | |
| return exif_get_long(e->data, o); | |
| } | |
| static ExifData *getExifFromExtractor(const char *path) { | |
| std::unique_ptr<uint8_t[]> exifBuf; | |
| ExifData *exifdata = NULL; | |
| FILE *fp = fopen (path, "rb"); | |
| if (!fp) { | |
| ALOGE("failed to open file"); | |
| return NULL; | |
| } | |
| sp<NuMediaExtractor> extractor = new NuMediaExtractor(); | |
| fseek(fp, 0L, SEEK_END); | |
| if (extractor->setDataSource(fileno(fp), 0, ftell(fp)) != OK) { | |
| ALOGE("failed to setDataSource"); | |
| fclose(fp); | |
| return NULL; | |
| } | |
| off64_t offset; | |
| size_t size; | |
| if (extractor->getExifOffsetSize(&offset, &size) != OK) { | |
| fclose(fp); | |
| return NULL; | |
| } | |
| exifBuf.reset(new uint8_t[size]); | |
| fseek(fp, offset, SEEK_SET); | |
| if (fread(exifBuf.get(), 1, size, fp) == size) { | |
| exifdata = exif_data_new_from_data(exifBuf.get(), size); | |
| } | |
| fclose(fp); | |
| return exifdata; | |
| } | |
| MtpResponseCode MtpDatabase::getObjectInfo(MtpObjectHandle handle, | |
| MtpObjectInfo& info) { | |
| MtpStringBuffer path; | |
| int64_t length; | |
| MtpObjectFormat format; | |
| MtpResponseCode result = getObjectFilePath(handle, path, length, format); | |
| if (result != MTP_RESPONSE_OK) { | |
| return result; | |
| } | |
| info.mCompressedSize = (length > 0xFFFFFFFFLL ? 0xFFFFFFFF : (uint32_t)length); | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| if (!env->CallBooleanMethod(mDatabase, method_getObjectInfo, | |
| (jint)handle, mIntBuffer, mStringBuffer, mLongBuffer)) { | |
| return MTP_RESPONSE_INVALID_OBJECT_HANDLE; | |
| } | |
| jint* intValues = env->GetIntArrayElements(mIntBuffer, 0); | |
| info.mStorageID = intValues[0]; | |
| info.mFormat = intValues[1]; | |
| info.mParent = intValues[2]; | |
| env->ReleaseIntArrayElements(mIntBuffer, intValues, 0); | |
| jlong* longValues = env->GetLongArrayElements(mLongBuffer, 0); | |
| info.mDateCreated = longValues[0]; | |
| info.mDateModified = longValues[1]; | |
| env->ReleaseLongArrayElements(mLongBuffer, longValues, 0); | |
| if ((false)) { | |
| info.mAssociationType = (format == MTP_FORMAT_ASSOCIATION ? | |
| MTP_ASSOCIATION_TYPE_GENERIC_FOLDER : | |
| MTP_ASSOCIATION_TYPE_UNDEFINED); | |
| } | |
| info.mAssociationType = MTP_ASSOCIATION_TYPE_UNDEFINED; | |
| jchar* str = env->GetCharArrayElements(mStringBuffer, 0); | |
| MtpStringBuffer temp(str); | |
| info.mName = strdup(temp); | |
| env->ReleaseCharArrayElements(mStringBuffer, str, 0); | |
| // read EXIF data for thumbnail information | |
| switch (info.mFormat) { | |
| case MTP_FORMAT_EXIF_JPEG: | |
| case MTP_FORMAT_HEIF: | |
| case MTP_FORMAT_JFIF: { | |
| ExifData *exifdata; | |
| if (info.mFormat == MTP_FORMAT_HEIF) { | |
| exifdata = getExifFromExtractor(path); | |
| } else { | |
| exifdata = exif_data_new_from_file(path); | |
| } | |
| if (exifdata) { | |
| if ((false)) { | |
| exif_data_foreach_content(exifdata, foreachcontent, NULL); | |
| } | |
| ExifEntry *w = exif_content_get_entry( | |
| exifdata->ifd[EXIF_IFD_EXIF], EXIF_TAG_PIXEL_X_DIMENSION); | |
| ExifEntry *h = exif_content_get_entry( | |
| exifdata->ifd[EXIF_IFD_EXIF], EXIF_TAG_PIXEL_Y_DIMENSION); | |
| info.mThumbCompressedSize = exifdata->data ? exifdata->size : 0; | |
| info.mThumbFormat = MTP_FORMAT_EXIF_JPEG; | |
| info.mImagePixWidth = w ? getLongFromExifEntry(w) : 0; | |
| info.mImagePixHeight = h ? getLongFromExifEntry(h) : 0; | |
| exif_data_unref(exifdata); | |
| } | |
| break; | |
| } | |
| // Except DNG, all supported RAW image formats are not defined in PTP 1.2 specification. | |
| // Most of RAW image formats are based on TIFF or TIFF/EP. To render Fuji's RAF format, | |
| // it checks MTP_FORMAT_DEFINED case since it's designed as a custom format. | |
| case MTP_FORMAT_DNG: | |
| case MTP_FORMAT_TIFF: | |
| case MTP_FORMAT_TIFF_EP: | |
| case MTP_FORMAT_DEFINED: { | |
| String8 temp(path); | |
| std::unique_ptr<FileStream> stream(new FileStream(temp)); | |
| piex::PreviewImageData image_data; | |
| if (!GetExifFromRawImage(stream.get(), temp, image_data)) { | |
| // Couldn't parse EXIF data from a image file via piex. | |
| break; | |
| } | |
| info.mThumbCompressedSize = image_data.thumbnail.length; | |
| info.mThumbFormat = MTP_FORMAT_EXIF_JPEG; | |
| info.mImagePixWidth = image_data.full_width; | |
| info.mImagePixHeight = image_data.full_height; | |
| break; | |
| } | |
| } | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return MTP_RESPONSE_OK; | |
| } | |
| void* MtpDatabase::getThumbnail(MtpObjectHandle handle, size_t& outThumbSize) { | |
| MtpStringBuffer path; | |
| int64_t length; | |
| MtpObjectFormat format; | |
| void* result = NULL; | |
| outThumbSize = 0; | |
| if (getObjectFilePath(handle, path, length, format) == MTP_RESPONSE_OK) { | |
| switch (format) { | |
| case MTP_FORMAT_EXIF_JPEG: | |
| case MTP_FORMAT_HEIF: | |
| case MTP_FORMAT_JFIF: { | |
| ExifData *exifdata; | |
| if (format == MTP_FORMAT_HEIF) { | |
| exifdata = getExifFromExtractor(path); | |
| } else { | |
| exifdata = exif_data_new_from_file(path); | |
| } | |
| if (exifdata) { | |
| if (exifdata->data) { | |
| result = malloc(exifdata->size); | |
| if (result) { | |
| memcpy(result, exifdata->data, exifdata->size); | |
| outThumbSize = exifdata->size; | |
| } | |
| } | |
| exif_data_unref(exifdata); | |
| } | |
| break; | |
| } | |
| // See the above comment on getObjectInfo() method. | |
| case MTP_FORMAT_DNG: | |
| case MTP_FORMAT_TIFF: | |
| case MTP_FORMAT_TIFF_EP: | |
| case MTP_FORMAT_DEFINED: { | |
| String8 temp(path); | |
| std::unique_ptr<FileStream> stream(new FileStream(temp)); | |
| piex::PreviewImageData image_data; | |
| if (!GetExifFromRawImage(stream.get(), temp, image_data)) { | |
| // Couldn't parse EXIF data from a image file via piex. | |
| break; | |
| } | |
| if (image_data.thumbnail.length == 0 | |
| || image_data.thumbnail.format != ::piex::Image::kJpegCompressed) { | |
| // No thumbnail or non jpeg thumbnail. | |
| break; | |
| } | |
| result = malloc(image_data.thumbnail.length); | |
| if (result) { | |
| piex::Error err = stream.get()->GetData( | |
| image_data.thumbnail.offset, | |
| image_data.thumbnail.length, | |
| (std::uint8_t *)result); | |
| if (err == piex::Error::kOk) { | |
| outThumbSize = image_data.thumbnail.length; | |
| } else { | |
| free(result); | |
| result = NULL; | |
| } | |
| } | |
| break; | |
| } | |
| } | |
| } | |
| return result; | |
| } | |
| MtpResponseCode MtpDatabase::getObjectFilePath(MtpObjectHandle handle, | |
| MtpStringBuffer& outFilePath, | |
| int64_t& outFileLength, | |
| MtpObjectFormat& outFormat) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| jint result = env->CallIntMethod(mDatabase, method_getObjectFilePath, | |
| (jint)handle, mStringBuffer, mLongBuffer); | |
| if (result != MTP_RESPONSE_OK) { | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return result; | |
| } | |
| jchar* str = env->GetCharArrayElements(mStringBuffer, 0); | |
| outFilePath.set(str); | |
| env->ReleaseCharArrayElements(mStringBuffer, str, 0); | |
| jlong* longValues = env->GetLongArrayElements(mLongBuffer, 0); | |
| outFileLength = longValues[0]; | |
| outFormat = longValues[1]; | |
| env->ReleaseLongArrayElements(mLongBuffer, longValues, 0); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return result; | |
| } | |
| MtpResponseCode MtpDatabase::beginDeleteObject(MtpObjectHandle handle) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| MtpResponseCode result = env->CallIntMethod(mDatabase, method_beginDeleteObject, (jint)handle); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return result; | |
| } | |
| void MtpDatabase::endDeleteObject(MtpObjectHandle handle, bool succeeded) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| env->CallVoidMethod(mDatabase, method_endDeleteObject, (jint)handle, (jboolean) succeeded); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| } | |
| MtpResponseCode MtpDatabase::beginMoveObject(MtpObjectHandle handle, MtpObjectHandle newParent, | |
| MtpStorageID newStorage) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| MtpResponseCode result = env->CallIntMethod(mDatabase, method_beginMoveObject, | |
| (jint)handle, (jint)newParent, (jint) newStorage); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return result; | |
| } | |
| void MtpDatabase::endMoveObject(MtpObjectHandle oldParent, MtpObjectHandle newParent, | |
| MtpStorageID oldStorage, MtpStorageID newStorage, | |
| MtpObjectHandle handle, bool succeeded) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| env->CallVoidMethod(mDatabase, method_endMoveObject, | |
| (jint)oldParent, (jint) newParent, (jint) oldStorage, (jint) newStorage, | |
| (jint) handle, (jboolean) succeeded); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| } | |
| MtpResponseCode MtpDatabase::beginCopyObject(MtpObjectHandle handle, MtpObjectHandle newParent, | |
| MtpStorageID newStorage) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| MtpResponseCode result = env->CallIntMethod(mDatabase, method_beginCopyObject, | |
| (jint)handle, (jint)newParent, (jint) newStorage); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return result; | |
| } | |
| void MtpDatabase::endCopyObject(MtpObjectHandle handle, bool succeeded) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| env->CallVoidMethod(mDatabase, method_endCopyObject, (jint)handle, (jboolean)succeeded); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| } | |
| struct PropertyTableEntry { | |
| MtpObjectProperty property; | |
| int type; | |
| }; | |
| static const PropertyTableEntry kObjectPropertyTable[] = { | |
| { MTP_PROPERTY_STORAGE_ID, MTP_TYPE_UINT32 }, | |
| { MTP_PROPERTY_OBJECT_FORMAT, MTP_TYPE_UINT16 }, | |
| { MTP_PROPERTY_PROTECTION_STATUS, MTP_TYPE_UINT16 }, | |
| { MTP_PROPERTY_OBJECT_SIZE, MTP_TYPE_UINT64 }, | |
| { MTP_PROPERTY_OBJECT_FILE_NAME, MTP_TYPE_STR }, | |
| { MTP_PROPERTY_DATE_MODIFIED, MTP_TYPE_STR }, | |
| { MTP_PROPERTY_PARENT_OBJECT, MTP_TYPE_UINT32 }, | |
| { MTP_PROPERTY_PERSISTENT_UID, MTP_TYPE_UINT128 }, | |
| { MTP_PROPERTY_NAME, MTP_TYPE_STR }, | |
| { MTP_PROPERTY_DISPLAY_NAME, MTP_TYPE_STR }, | |
| { MTP_PROPERTY_DATE_ADDED, MTP_TYPE_STR }, | |
| { MTP_PROPERTY_ARTIST, MTP_TYPE_STR }, | |
| { MTP_PROPERTY_ALBUM_NAME, MTP_TYPE_STR }, | |
| { MTP_PROPERTY_ALBUM_ARTIST, MTP_TYPE_STR }, | |
| { MTP_PROPERTY_TRACK, MTP_TYPE_UINT16 }, | |
| { MTP_PROPERTY_ORIGINAL_RELEASE_DATE, MTP_TYPE_STR }, | |
| { MTP_PROPERTY_GENRE, MTP_TYPE_STR }, | |
| { MTP_PROPERTY_COMPOSER, MTP_TYPE_STR }, | |
| { MTP_PROPERTY_DURATION, MTP_TYPE_UINT32 }, | |
| { MTP_PROPERTY_DESCRIPTION, MTP_TYPE_STR }, | |
| { MTP_PROPERTY_AUDIO_WAVE_CODEC, MTP_TYPE_UINT32 }, | |
| { MTP_PROPERTY_BITRATE_TYPE, MTP_TYPE_UINT16 }, | |
| { MTP_PROPERTY_AUDIO_BITRATE, MTP_TYPE_UINT32 }, | |
| { MTP_PROPERTY_NUMBER_OF_CHANNELS,MTP_TYPE_UINT16 }, | |
| { MTP_PROPERTY_SAMPLE_RATE, MTP_TYPE_UINT32 }, | |
| }; | |
| static const PropertyTableEntry kDevicePropertyTable[] = { | |
| { MTP_DEVICE_PROPERTY_SYNCHRONIZATION_PARTNER, MTP_TYPE_STR }, | |
| { MTP_DEVICE_PROPERTY_DEVICE_FRIENDLY_NAME, MTP_TYPE_STR }, | |
| { MTP_DEVICE_PROPERTY_IMAGE_SIZE, MTP_TYPE_STR }, | |
| { MTP_DEVICE_PROPERTY_BATTERY_LEVEL, MTP_TYPE_UINT8 }, | |
| { MTP_DEVICE_PROPERTY_PERCEIVED_DEVICE_TYPE, MTP_TYPE_UINT32 }, | |
| }; | |
| bool MtpDatabase::getObjectPropertyInfo(MtpObjectProperty property, int& type) { | |
| int count = sizeof(kObjectPropertyTable) / sizeof(kObjectPropertyTable[0]); | |
| const PropertyTableEntry* entry = kObjectPropertyTable; | |
| for (int i = 0; i < count; i++, entry++) { | |
| if (entry->property == property) { | |
| type = entry->type; | |
| return true; | |
| } | |
| } | |
| return false; | |
| } | |
| bool MtpDatabase::getDevicePropertyInfo(MtpDeviceProperty property, int& type) { | |
| int count = sizeof(kDevicePropertyTable) / sizeof(kDevicePropertyTable[0]); | |
| const PropertyTableEntry* entry = kDevicePropertyTable; | |
| for (int i = 0; i < count; i++, entry++) { | |
| if (entry->property == property) { | |
| type = entry->type; | |
| return true; | |
| } | |
| } | |
| return false; | |
| } | |
| MtpObjectHandleList* MtpDatabase::getObjectReferences(MtpObjectHandle handle) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| jintArray array = (jintArray)env->CallObjectMethod(mDatabase, method_getObjectReferences, | |
| (jint)handle); | |
| if (!array) | |
| return NULL; | |
| MtpObjectHandleList* list = new MtpObjectHandleList(); | |
| jint* handles = env->GetIntArrayElements(array, 0); | |
| jsize length = env->GetArrayLength(array); | |
| for (int i = 0; i < length; i++) | |
| list->push_back(handles[i]); | |
| env->ReleaseIntArrayElements(array, handles, 0); | |
| env->DeleteLocalRef(array); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return list; | |
| } | |
| MtpResponseCode MtpDatabase::setObjectReferences(MtpObjectHandle handle, | |
| MtpObjectHandleList* references) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| int count = references->size(); | |
| jintArray array = env->NewIntArray(count); | |
| if (!array) { | |
| ALOGE("out of memory in setObjectReferences"); | |
| return false; | |
| } | |
| jint* handles = env->GetIntArrayElements(array, 0); | |
| for (int i = 0; i < count; i++) | |
| handles[i] = (*references)[i]; | |
| env->ReleaseIntArrayElements(array, handles, 0); | |
| MtpResponseCode result = env->CallIntMethod(mDatabase, method_setObjectReferences, | |
| (jint)handle, array); | |
| env->DeleteLocalRef(array); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return result; | |
| } | |
| MtpProperty* MtpDatabase::getObjectPropertyDesc(MtpObjectProperty property, | |
| MtpObjectFormat format) { | |
| static const int channelEnum[] = { | |
| 1, // mono | |
| 2, // stereo | |
| 3, // 2.1 | |
| 4, // 3 | |
| 5, // 3.1 | |
| 6, // 4 | |
| 7, // 4.1 | |
| 8, // 5 | |
| 9, // 5.1 | |
| }; | |
| static const int bitrateEnum[] = { | |
| 1, // fixed rate | |
| 2, // variable rate | |
| }; | |
| MtpProperty* result = NULL; | |
| switch (property) { | |
| case MTP_PROPERTY_OBJECT_FORMAT: | |
| // use format as default value | |
| result = new MtpProperty(property, MTP_TYPE_UINT16, false, format); | |
| break; | |
| case MTP_PROPERTY_PROTECTION_STATUS: | |
| case MTP_PROPERTY_TRACK: | |
| result = new MtpProperty(property, MTP_TYPE_UINT16); | |
| break; | |
| case MTP_PROPERTY_STORAGE_ID: | |
| case MTP_PROPERTY_PARENT_OBJECT: | |
| case MTP_PROPERTY_DURATION: | |
| case MTP_PROPERTY_AUDIO_WAVE_CODEC: | |
| result = new MtpProperty(property, MTP_TYPE_UINT32); | |
| break; | |
| case MTP_PROPERTY_OBJECT_SIZE: | |
| result = new MtpProperty(property, MTP_TYPE_UINT64); | |
| break; | |
| case MTP_PROPERTY_PERSISTENT_UID: | |
| result = new MtpProperty(property, MTP_TYPE_UINT128); | |
| break; | |
| case MTP_PROPERTY_NAME: | |
| case MTP_PROPERTY_DISPLAY_NAME: | |
| case MTP_PROPERTY_ARTIST: | |
| case MTP_PROPERTY_ALBUM_NAME: | |
| case MTP_PROPERTY_ALBUM_ARTIST: | |
| case MTP_PROPERTY_GENRE: | |
| case MTP_PROPERTY_COMPOSER: | |
| case MTP_PROPERTY_DESCRIPTION: | |
| result = new MtpProperty(property, MTP_TYPE_STR); | |
| break; | |
| case MTP_PROPERTY_DATE_MODIFIED: | |
| case MTP_PROPERTY_DATE_ADDED: | |
| case MTP_PROPERTY_ORIGINAL_RELEASE_DATE: | |
| result = new MtpProperty(property, MTP_TYPE_STR); | |
| result->setFormDateTime(); | |
| break; | |
| case MTP_PROPERTY_OBJECT_FILE_NAME: | |
| // We allow renaming files and folders | |
| result = new MtpProperty(property, MTP_TYPE_STR, true); | |
| break; | |
| case MTP_PROPERTY_BITRATE_TYPE: | |
| result = new MtpProperty(property, MTP_TYPE_UINT16); | |
| result->setFormEnum(bitrateEnum, sizeof(bitrateEnum)/sizeof(bitrateEnum[0])); | |
| break; | |
| case MTP_PROPERTY_AUDIO_BITRATE: | |
| result = new MtpProperty(property, MTP_TYPE_UINT32); | |
| result->setFormRange(1, 1536000, 1); | |
| break; | |
| case MTP_PROPERTY_NUMBER_OF_CHANNELS: | |
| result = new MtpProperty(property, MTP_TYPE_UINT16); | |
| result->setFormEnum(channelEnum, sizeof(channelEnum)/sizeof(channelEnum[0])); | |
| break; | |
| case MTP_PROPERTY_SAMPLE_RATE: | |
| result = new MtpProperty(property, MTP_TYPE_UINT32); | |
| result->setFormRange(8000, 48000, 1); | |
| break; | |
| } | |
| return result; | |
| } | |
| MtpProperty* MtpDatabase::getDevicePropertyDesc(MtpDeviceProperty property) { | |
| JNIEnv* env = AndroidRuntime::getJNIEnv(); | |
| MtpProperty* result = NULL; | |
| bool writable = false; | |
| // get current value | |
| jint ret = env->CallIntMethod(mDatabase, method_getDeviceProperty, | |
| (jint)property, mLongBuffer, mStringBuffer); | |
| if (ret == MTP_RESPONSE_OK) { | |
| switch (property) { | |
| case MTP_DEVICE_PROPERTY_SYNCHRONIZATION_PARTNER: | |
| case MTP_DEVICE_PROPERTY_DEVICE_FRIENDLY_NAME: | |
| writable = true; | |
| // fall through | |
| FALLTHROUGH_INTENDED; | |
| case MTP_DEVICE_PROPERTY_IMAGE_SIZE: | |
| { | |
| result = new MtpProperty(property, MTP_TYPE_STR, writable); | |
| jchar* str = env->GetCharArrayElements(mStringBuffer, 0); | |
| result->setCurrentValue(str); | |
| // for read-only properties it is safe to assume current value is default value | |
| if (!writable) | |
| result->setDefaultValue(str); | |
| env->ReleaseCharArrayElements(mStringBuffer, str, 0); | |
| break; | |
| } | |
| case MTP_DEVICE_PROPERTY_BATTERY_LEVEL: | |
| { | |
| result = new MtpProperty(property, MTP_TYPE_UINT8); | |
| jlong* arr = env->GetLongArrayElements(mLongBuffer, 0); | |
| result->setFormRange(0, arr[1], 1); | |
| result->mCurrentValue.u.u8 = (uint8_t) arr[0]; | |
| env->ReleaseLongArrayElements(mLongBuffer, arr, 0); | |
| break; | |
| } | |
| case MTP_DEVICE_PROPERTY_PERCEIVED_DEVICE_TYPE: | |
| { | |
| jlong* arr = env->GetLongArrayElements(mLongBuffer, 0); | |
| result = new MtpProperty(property, MTP_TYPE_UINT32); | |
| result->mCurrentValue.u.u32 = (uint32_t) arr[0]; | |
| env->ReleaseLongArrayElements(mLongBuffer, arr, 0); | |
| break; | |
| } | |
| default: | |
| ALOGE("Unrecognized property %x", property); | |
| } | |
| } else { | |
| ALOGE("unable to read device property, response: %04X", ret); | |
| } | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| return result; | |
| } | |
| // ---------------------------------------------------------------------------- | |
| static void | |
| android_mtp_MtpDatabase_setup(JNIEnv *env, jobject thiz) | |
| { | |
| MtpDatabase* database = new MtpDatabase(env, thiz); | |
| env->SetLongField(thiz, field_context, (jlong)database); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| } | |
| static void | |
| android_mtp_MtpDatabase_finalize(JNIEnv *env, jobject thiz) | |
| { | |
| MtpDatabase* database = (MtpDatabase *)env->GetLongField(thiz, field_context); | |
| database->cleanup(env); | |
| delete database; | |
| env->SetLongField(thiz, field_context, 0); | |
| checkAndClearExceptionFromCallback(env, __FUNCTION__); | |
| } | |
| static jstring | |
| android_mtp_MtpPropertyGroup_format_date_time(JNIEnv *env, jobject /*thiz*/, jlong seconds) | |
| { | |
| char date[20]; | |
| formatDateTime(seconds, date, sizeof(date)); | |
| return env->NewStringUTF(date); | |
| } | |
| // ---------------------------------------------------------------------------- | |
| static const JNINativeMethod gMtpDatabaseMethods[] = { | |
| {"native_setup", "()V", (void *)android_mtp_MtpDatabase_setup}, | |
| {"native_finalize", "()V", (void *)android_mtp_MtpDatabase_finalize}, | |
| }; | |
| static const JNINativeMethod gMtpPropertyGroupMethods[] = { | |
| {"format_date_time", "(J)Ljava/lang/String;", | |
| (void *)android_mtp_MtpPropertyGroup_format_date_time}, | |
| }; | |
| #define GET_METHOD_ID(name, jclass, signature) \ | |
| method_##name = env->GetMethodID(jclass, #name, signature); \ | |
| if (method_##name == NULL) { \ | |
| ALOGE("Can't find " #name); \ | |
| return -1; \ | |
| } \ | |
| int register_android_mtp_MtpDatabase(JNIEnv *env) | |
| { | |
| jclass clazz; | |
| clazz = env->FindClass("android/mtp/MtpDatabase"); | |
| if (clazz == NULL) { | |
| ALOGE("Can't find android/mtp/MtpDatabase"); | |
| return -1; | |
| } | |
| GET_METHOD_ID(beginSendObject, clazz, "(Ljava/lang/String;III)I"); | |
| GET_METHOD_ID(endSendObject, clazz, "(IZ)V"); | |
| GET_METHOD_ID(rescanFile, clazz, "(Ljava/lang/String;II)V"); | |
| GET_METHOD_ID(getObjectList, clazz, "(III)[I"); | |
| GET_METHOD_ID(getNumObjects, clazz, "(III)I"); | |
| GET_METHOD_ID(getSupportedPlaybackFormats, clazz, "()[I"); | |
| GET_METHOD_ID(getSupportedCaptureFormats, clazz, "()[I"); | |
| GET_METHOD_ID(getSupportedObjectProperties, clazz, "(I)[I"); | |
| GET_METHOD_ID(getSupportedDeviceProperties, clazz, "()[I"); | |
| GET_METHOD_ID(setObjectProperty, clazz, "(IIJLjava/lang/String;)I"); | |
| GET_METHOD_ID(getDeviceProperty, clazz, "(I[J[C)I"); | |
| GET_METHOD_ID(setDeviceProperty, clazz, "(IJLjava/lang/String;)I"); | |
| GET_METHOD_ID(getObjectPropertyList, clazz, "(IIIII)Landroid/mtp/MtpPropertyList;"); | |
| GET_METHOD_ID(getObjectInfo, clazz, "(I[I[C[J)Z"); | |
| GET_METHOD_ID(getObjectFilePath, clazz, "(I[C[J)I"); | |
| GET_METHOD_ID(beginDeleteObject, clazz, "(I)I"); | |
| GET_METHOD_ID(endDeleteObject, clazz, "(IZ)V"); | |
| GET_METHOD_ID(beginMoveObject, clazz, "(III)I"); | |
| GET_METHOD_ID(endMoveObject, clazz, "(IIIIIZ)V"); | |
| GET_METHOD_ID(beginCopyObject, clazz, "(III)I"); | |
| GET_METHOD_ID(endCopyObject, clazz, "(IZ)V"); | |
| GET_METHOD_ID(getObjectReferences, clazz, "(I)[I"); | |
| GET_METHOD_ID(setObjectReferences, clazz, "(I[I)I"); | |
| field_context = env->GetFieldID(clazz, "mNativeContext", "J"); | |
| if (field_context == NULL) { | |
| ALOGE("Can't find MtpDatabase.mNativeContext"); | |
| return -1; | |
| } | |
| clazz = env->FindClass("android/mtp/MtpPropertyList"); | |
| if (clazz == NULL) { | |
| ALOGE("Can't find android/mtp/MtpPropertyList"); | |
| return -1; | |
| } | |
| GET_METHOD_ID(getCode, clazz, "()I"); | |
| GET_METHOD_ID(getCount, clazz, "()I"); | |
| GET_METHOD_ID(getObjectHandles, clazz, "()[I"); | |
| GET_METHOD_ID(getPropertyCodes, clazz, "()[I"); | |
| GET_METHOD_ID(getDataTypes, clazz, "()[I"); | |
| GET_METHOD_ID(getLongValues, clazz, "()[J"); | |
| GET_METHOD_ID(getStringValues, clazz, "()[Ljava/lang/String;"); | |
| if (AndroidRuntime::registerNativeMethods(env, | |
| "android/mtp/MtpDatabase", gMtpDatabaseMethods, NELEM(gMtpDatabaseMethods))) | |
| return -1; | |
| return AndroidRuntime::registerNativeMethods(env, | |
| "android/mtp/MtpPropertyGroup", gMtpPropertyGroupMethods, NELEM(gMtpPropertyGroupMethods)); | |
| } |