1 /* 2 * Copyright (C) Texas Instruments - http://www.ti.com/ 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 #include "CameraHal.h" 18 19 namespace android { 20 21 const char CameraHal::PARAMS_DELIMITER []= ","; 22 23 #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS 24 25 struct timeval CameraHal::ppm_start; 26 27 #endif 28 29 #if PPM_INSTRUMENTATION 30 31 /** 32 @brief PPM instrumentation 33 34 Dumps the current time offset. The time reference point 35 lies within the CameraHAL constructor. 36 37 @param str - log message 38 @return none 39 40 */ 41 void CameraHal::PPM(const char* str){ 42 struct timeval ppm; 43 44 gettimeofday(&ppm, NULL); 45 ppm.tv_sec = ppm.tv_sec - ppm_start.tv_sec; 46 ppm.tv_sec = ppm.tv_sec * 1000000; 47 ppm.tv_sec = ppm.tv_sec + ppm.tv_usec - ppm_start.tv_usec; 48 49 ALOGD("PPM: %s :%ld.%ld ms", str, ( ppm.tv_sec /1000 ), ( ppm.tv_sec % 1000 )); 50 } 51 52 #elif PPM_INSTRUMENTATION_ABS 53 54 /** 55 @brief PPM instrumentation 56 57 Dumps the current time offset. The time reference point 58 lies within the CameraHAL constructor. This implemetation 59 will also dump the abosolute timestamp, which is useful when 60 post calculation is done with data coming from the upper 61 layers (Camera application etc.) 62 63 @param str - log message 64 @return none 65 66 */ 67 void CameraHal::PPM(const char* str){ 68 struct timeval ppm; 69 70 unsigned long long elapsed, absolute; 71 gettimeofday(&ppm, NULL); 72 elapsed = ppm.tv_sec - ppm_start.tv_sec; 73 elapsed *= 1000000; 74 elapsed += ppm.tv_usec - ppm_start.tv_usec; 75 absolute = ppm.tv_sec; 76 absolute *= 1000; 77 absolute += ppm.tv_usec /1000; 78 79 ALOGD("PPM: %s :%llu.%llu ms : %llu ms", str, ( elapsed /1000 ), ( elapsed % 1000 ), absolute); 80 } 81 82 #endif 83 84 #if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS 85 86 /** 87 @brief PPM instrumentation 88 89 Calculates and dumps the elapsed time using 'ppm_first' as 90 reference. 91 92 @param str - log message 93 @return none 94 95 */ 96 void CameraHal::PPM(const char* str, struct timeval* ppm_first, ...){ 97 char temp_str[256]; 98 struct timeval ppm; 99 unsigned long long absolute; 100 va_list args; 101 102 va_start(args, ppm_first); 103 vsprintf(temp_str, str, args); 104 gettimeofday(&ppm, NULL); 105 absolute = ppm.tv_sec; 106 absolute *= 1000; 107 absolute += ppm.tv_usec /1000; 108 ppm.tv_sec = ppm.tv_sec - ppm_first->tv_sec; 109 ppm.tv_sec = ppm.tv_sec * 1000000; 110 ppm.tv_sec = ppm.tv_sec + ppm.tv_usec - ppm_first->tv_usec; 111 112 ALOGD("PPM: %s :%ld.%ld ms : %llu ms", temp_str, ( ppm.tv_sec /1000 ), ( ppm.tv_sec % 1000 ), absolute); 113 114 va_end(args); 115 } 116 117 #endif 118 119 }; 120 121 122
