path: root/CameraHalCommon.cpp (plain)
blob: ead73e085834045f752d1cae1c00730a6cdc495d

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	#define LOG_TAG "CameraHalCommon "
18	#include "CameraHal.h"
19	#ifdef AMLOGIC_VIRTUAL_CAMERA_SUPPORT
20	#include "VirtualCamHal.h"
21	#endif
22
23	namespace android {
24
25	const char CameraHal::PARAMS_DELIMITER []= ",";
26
27	#if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS
28
29	struct timeval CameraHal::ppm_start;
30	#ifdef AMLOGIC_VIRTUAL_CAMERA_SUPPORT
31	struct timeval VirtualCamHal::ppm_start;
32	#endif
33
34	#endif
35
36	#if PPM_INSTRUMENTATION
37
38	/**
39	@brief PPM instrumentation
40
41	Dumps the current time offset. The time reference point
42	lies within the CameraHAL constructor.
43
44	@param str - log message
45	@return none
46
47	*/
48	void CameraHal::PPM(const char* str){
49	struct timeval ppm;
50
51	gettimeofday(&ppm, NULL);
52	ppm.tv_sec = ppm.tv_sec - ppm_start.tv_sec;
53	ppm.tv_sec = ppm.tv_sec * 1000000;
54	ppm.tv_sec = ppm.tv_sec + ppm.tv_usec - ppm_start.tv_usec;
55
56	CAMHAL_LOGDB("PPM: %s :%ld.%ld ms", str, ( ppm.tv_sec /1000 ), ( ppm.tv_sec % 1000 ));
57	}
58
59	#elif PPM_INSTRUMENTATION_ABS
60
61	/**
62	@brief PPM instrumentation
63
64	Dumps the current time offset. The time reference point
65	lies within the CameraHAL constructor. This implemetation
66	will also dump the abosolute timestamp, which is useful when
67	post calculation is done with data coming from the upper
68	layers (Camera application etc.)
69
70	@param str - log message
71	@return none
72
73	*/
74	void CameraHal::PPM(const char* str){
75	struct timeval ppm;
76
77	unsigned long long elapsed, absolute;
78	gettimeofday(&ppm, NULL);
79	elapsed = ppm.tv_sec - ppm_start.tv_sec;
80	elapsed *= 1000000;
81	elapsed += ppm.tv_usec - ppm_start.tv_usec;
82	absolute = ppm.tv_sec;
83	absolute *= 1000;
84	absolute += ppm.tv_usec /1000;
85
86	CAMHAL_LOGDB("PPM: %s :%llu.%llu ms : %llu ms",
87	str, (elapsed/1000), (elapsed%1000), absolute);
88	}
89
90	#endif
91
92	#if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS
93
94	/**
95	@brief PPM instrumentation
96
97	Calculates and dumps the elapsed time using 'ppm_first' as
98	reference.
99
100	@param str - log message
101	@return none
102
103	*/
104	void CameraHal::PPM(const char* str, struct timeval* ppm_first, ...){
105	char temp_str[256];
106	struct timeval ppm;
107	unsigned long long absolute;
108	va_list args;
109
110	va_start(args, ppm_first);
111	vsprintf(temp_str, str, args);
112	gettimeofday(&ppm, NULL);
113	absolute = ppm.tv_sec;
114	absolute *= 1000;
115	absolute += ppm.tv_usec /1000;
116	ppm.tv_sec = ppm.tv_sec - ppm_first->tv_sec;
117	ppm.tv_sec = ppm.tv_sec * 1000000;
118	ppm.tv_sec = ppm.tv_sec + ppm.tv_usec - ppm_first->tv_usec;
119
120	CAMHAL_LOGDB("PPM: %s :%ld.%ld ms : %llu ms",
121	temp_str, (ppm.tv_sec/1000), (ppm.tv_sec%1000), absolute);
122
123	va_end(args);
124	}
125
126	#endif
127
128	};
129
130
131