1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef HW_EMULATOR_CAMERA_EMULATED_CAMERA_COMMON_H 18 #define HW_EMULATOR_CAMERA_EMULATED_CAMERA_COMMON_H 19 20 /* 21 * Contains common declarations that are used across the camera emulation. 22 */ 23 24 #include <hardware/camera.h> 25 #include <linux/videodev2.h> 26 27 /* A helper class that tracks a routine execution. 28 * Basically, it dumps an enry message in its constructor, and an exit message 29 * in its destructor. Use LOGRE() macro (declared bellow) to create instances 30 * of this class at the beginning of the tracked routines / methods. 31 */ 32 class HWERoutineTracker { 33 public: 34 /* Constructor that prints an "entry" trace message. */ 35 explicit HWERoutineTracker(const char* name) : mName(name) { 36 ALOGV("Entering %s", mName); 37 } 38 39 /* Destructor that prints a "leave" trace message. */ 40 ~HWERoutineTracker() { ALOGV("Leaving %s", mName); } 41 42 private: 43 /* Stores the routine name. */ 44 const char* mName; 45 }; 46 47 /* Logs an execution of a routine / method. */ 48 #define LOGRE() HWERoutineTracker hwertracker_##__LINE__(__FUNCTION__) 49 50 /* 51 * min / max macros 52 */ 53 54 #define min(a, b) (((a) < (b)) ? (a) : (b)) 55 #define max(a, b) (((a) > (b)) ? (a) : (b)) 56 57 #endif /* HW_EMULATOR_CAMERA_EMULATED_CAMERA_COMMON_H */ 58