/**
* LoadVideoFileFromDir loads two video files from a directory, given a video
* directory, a timestamp, and video number.
*
* Assigns values to left_video_capture_ and right_video_capture_ or to pgm_left_dir_
* and pgm_right_dir_ depending on stereo_config_.usePGM's value.
*
* @param timestamp timestamp to extract the date out of
* @param video_number video number to load
*
* @retval frame skip amount, or -1 on failure.
*
*/
int RecordingManager::LoadVideoFileFromDir(long long timestamp, int video_number) {
// first, load the log directory
std::string cpu_dir, datetime;
if (hostname_.length() == 0) {
std::cout << "Waiting for hostname..." << std::endl;
return -1;
}
std::tie(cpu_dir, datetime) = GetVideoDirectory(timestamp, video_directory_);
std::cout << cpu_dir << std::endl;
int skip_amount = MatchVideoFile(video_directory_ + "/" + cpu_dir + "/onboard-vids/"
+ hostname_, datetime, stereo_config_.usePGM, video_number);
// format the video number as a two-decimal value
char filenumber[100];
sprintf(filenumber, "%02d", video_number);
string video_number_str = filenumber;
// now we have the full filename
string left_video = video_directory_ + "/" + cpu_dir + "/onboard-vids/"
+ hostname_ + "/videoL-skip-" + to_string(skip_amount) + "-" + datetime
+ "." + video_number_str;
string right_video = video_directory_ + "/" + cpu_dir + "/onboard-vids/"
+ hostname_ + "/videoR-skip-" + to_string(skip_amount) + "-" + datetime
+ "." + video_number_str;
if (stereo_config_.usePGM == false) {
left_video += ".avi";
right_video += ".avi";
}
// attempt to create video capture objects
if (LoadVideoFiles(left_video, right_video) == true) {
printf("\nLoaded %s and %s with frame-skip: %d\n", left_video.c_str(), right_video.c_str(), skip_amount);
return skip_amount;
} else {
return -1;
}
}
std::string GetMonoFilename(long timestamp, int video_number) {
if (computer_number_char == 'x') {
// wait for a computer number
std::cout << "Waiting for hostname..." << std::endl;
return "";
}
char tmbuf[64], buf[64];
// figure out what time the plane thinks it is
struct tm *nowtm;
time_t tv_sec = timestamp / 1000000.0;
nowtm = localtime(&tv_sec);
strftime(tmbuf, sizeof tmbuf, "%Y-%m-%d", nowtm);
sprintf(buf, "%s", tmbuf);
std::string date_str = std::string(buf);
std::string dir;
if (video_directory != "") {
dir = video_directory;
} else {
dir = log_directory + GetVideoDirectory(date_str);
}
if (dir == "") {
std::cerr << "Warning: unable to find a video file. You might consider using the -v option instead of -d." << std::endl;
return "";
}
boost::format formatter = boost::format(".%02d.avi") % video_number;
std::string path = dir + boost::filesystem::path::preferred_separator +
"onboard-vids" + boost::filesystem::path::preferred_separator +
+ "odroid-cam" + computer_number_char + boost::filesystem::path::preferred_separator
+ "mono-" + date_str + formatter.str();
return path;
}