Argus Camera Sample
Argus Camera Sample
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Util.cpp
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1 /*
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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 
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