| /* |
| * 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)); |
| } |
