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 <linux/videodev2.h> 25 #include <hardware/camera.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) 36 : mName(name) { 37 ALOGV("Entering %s", mName); 38 } 39 40 /* Destructor that prints a "leave" trace message. */ 41 ~HWERoutineTracker() { 42 ALOGV("Leaving %s", mName); 43 } 44 45 private: 46 /* Stores the routine name. */ 47 const char* mName; 48 }; 49 50 /* Logs an execution of a routine / method. */ 51 #define LOGRE() HWERoutineTracker hwertracker_##__LINE__(__FUNCTION__) 52 53 /* 54 * min / max macros 55 */ 56 57 #define min(a,b) (((a) < (b)) ? (a) : (b)) 58 #define max(a,b) (((a) > (b)) ? (a) : (b)) 59 60 #endif /* HW_EMULATOR_CAMERA_EMULATED_CAMERA_COMMON_H */ 61
