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diff --git a/media/mca/filterfw/native/core/native_program.h b/media/mca/filterfw/native/core/native_program.h
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+/*
+ * 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.
+ */
+
+#ifndef ANDROID_FILTERFW_CORE_NATIVE_PROGRAM_H
+#define ANDROID_FILTERFW_CORE_NATIVE_PROGRAM_H
+
+#include <vector>
+#include <string>
+
+#include "base/utilities.h"
+
+namespace android {
+namespace filterfw {
+
+class NativeFrame;
+
+typedef void (*InitFunctionPtr)(void**);
+typedef void (*SetValueFunctionPtr)(const char*, const char*, void*);
+typedef void (*GetValueFunctionPtr)(const char*, char*, int, void*);
+typedef int (*ProcessFunctionPtr)(const char**, const int*, int, char*, int, void*);
+typedef void (*ResetFunctionPtr)(void*);
+typedef void (*TeardownFunctionPtr)(void*);
+
+class NativeProgram {
+ public:
+ // Create an empty native frame.
+ NativeProgram();
+
+ ~NativeProgram();
+
+ bool OpenLibrary(const std::string& lib_name);
+
+ bool BindInitFunction(const std::string& func_name);
+ bool BindSetValueFunction(const std::string& func_name);
+ bool BindGetValueFunction(const std::string& func_name);
+ bool BindProcessFunction(const std::string& func_name);
+ bool BindResetFunction(const std::string& func_name);
+ bool BindTeardownFunction(const std::string& func_name);
+
+ bool CallInit();
+ bool CallSetValue(const std::string& key, const std::string& value);
+ std::string CallGetValue(const std::string& key);
+ bool CallProcess(const std::vector<const char*>& inputs,
+ const std::vector<int>& input_sizes,
+ char* output,
+ int output_size);
+ bool CallReset();
+ bool CallTeardown();
+
+ private:
+ // Pointer to the data. Owned by the frame.
+ void* lib_handle_;
+
+ // The function pointers to the native function implementations.
+ InitFunctionPtr init_function_;
+ SetValueFunctionPtr setvalue_function_;
+ GetValueFunctionPtr getvalue_function_;
+ ProcessFunctionPtr process_function_;
+ ResetFunctionPtr reset_function_;
+ TeardownFunctionPtr teardown_function_;
+
+ // Pointer to user data
+ void* user_data_;
+
+ DISALLOW_COPY_AND_ASSIGN(NativeProgram);
+};
+
+} // namespace filterfw
+} // namespace android
+
+#endif // ANDROID_FILTERFW_CORE_NATIVE_PROGRAM_H