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Util.cpp
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1 /*
2 * Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of NVIDIA CORPORATION nor the names of its
13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <sys/time.h>
30 #include <stddef.h>
31 #include <cerrno>
32
33 #include <stdio.h>
34
35 #include "Util.h"
36 #include "Error.h"
37 #include "string.h"
38
39 namespace ArgusSamples
40 {
41
42 TimeValue getCurrentTime()
43 {
44 struct timeval val;
45
46 gettimeofday(&val, NULL);
47
48 return
49 TimeValue::fromUSec(val.tv_usec) +
50 TimeValue::fromSec(static_cast<TimeValue::SecType>(val.tv_sec));
51 }
52
53 bool validateOutputPath(const char* filename)
54 {
55 // Test ability to write to indicated filename
56 FILE *fp = fopen(filename,"w");
57 if (fp)
58 {
59 fclose(fp);
60 return true;
61 }
62 else
63 {
64 fprintf(stderr, "--------------------------------------------------------------------\n");
65 fprintf(stderr, "Failure to open file '%s' for writing.\n", filename);
66 fprintf(stderr, "Error return code:%d (%s)\n", errno, strerror(errno));
67 if (errno == EACCES)
68 {
69 fprintf(stderr, "Use command line parameter --outputpath to\n");
70 fprintf(stderr, "point to a directory you have permission to write into.\n");
71 #ifdef __ANDROID__
72 fprintf(stderr, "As in: argus_camera --outputpath='/sdcard/DCIM' -s1 -x\n");
73 #else
74 fprintf(stderr, "As in: argus_camera --outputpath='/tmp' -s1 -x\n");
75 #endif
76 }
77 fprintf(stderr, "--------------------------------------------------------------------\n");
78 return false;
79 }
80 }
81
82 }; // namespace ArgusSamples