/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef HW_EMULATOR_CAMERA_EMULATED_CAMERA_COMMON_H
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#define HW_EMULATOR_CAMERA_EMULATED_CAMERA_COMMON_H
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/*
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* Contains common declarations that are used across the camera emulation.
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*/
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#include <linux/videodev2.h>
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#include <hardware/camera.h>
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/* A helper class that tracks a routine execution.
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* Basically, it dumps an enry message in its constructor, and an exit message
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* in its destructor. Use LOGRE() macro (declared bellow) to create instances
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* of this class at the beginning of the tracked routines / methods.
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*/
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class HWERoutineTracker {
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public:
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/* Constructor that prints an "entry" trace message. */
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explicit HWERoutineTracker(const char* name)
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: mName(name) {
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ALOGV("Entering %s", mName);
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}
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/* Destructor that prints a "leave" trace message. */
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~HWERoutineTracker() {
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ALOGV("Leaving %s", mName);
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}
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private:
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/* Stores the routine name. */
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const char* mName;
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};
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/* Logs an execution of a routine / method. */
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#define LOGRE() HWERoutineTracker hwertracker_##__LINE__(__FUNCTION__)
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/*
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* min / max macros
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*/
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#endif /* HW_EMULATOR_CAMERA_EMULATED_CAMERA_COMMON_H */
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