| /* |
| * Copyright (C) 2011 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. |
| */ |
| |
| #include <I420ColorConverter.h> |
| #include <cutils/log.h> |
| #include <dlfcn.h> |
| |
| I420ColorConverter::I420ColorConverter() { |
| // Open the shared library |
| mHandle = dlopen("libI420colorconvert.so", RTLD_NOW); |
| |
| if (mHandle == NULL) { |
| ALOGW("I420ColorConverter: cannot load libI420colorconvert.so"); |
| return; |
| } |
| |
| // Find the entry point |
| void (*getI420ColorConverter)(I420ColorConverter *converter) = |
| (void (*)(I420ColorConverter*)) dlsym(mHandle, "getI420ColorConverter"); |
| |
| if (getI420ColorConverter == NULL) { |
| ALOGW("I420ColorConverter: cannot load getI420ColorConverter"); |
| dlclose(mHandle); |
| mHandle = NULL; |
| return; |
| } |
| |
| // Fill the function pointers. |
| getI420ColorConverter(this); |
| |
| ALOGI("I420ColorConverter: libI420colorconvert.so loaded"); |
| } |
| |
| bool I420ColorConverter::isLoaded() { |
| return mHandle != NULL; |
| } |
| |
| I420ColorConverter::~I420ColorConverter() { |
| if (mHandle) { |
| dlclose(mHandle); |
| } |
| } |