本文整理汇总了C++中VideoBuffer::getLatestFrame方法的典型用法代码示例。如果您正苦于以下问题：C++ VideoBuffer::getLatestFrame方法的具体用法？C++ VideoBuffer::getLatestFrame怎么用？C++ VideoBuffer::getLatestFrame使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类VideoBuffer的用法示例。
在下文中一共展示了VideoBuffer::getLatestFrame方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
//.........这里部分代码省略.........
}
}
}
else if (filename == "webcam")
{
int framenum = 0;
cv::VideoCapture cap(0);
if (!cap.isOpened())
{
std::cout << "Error opening webcam" << std::endl;
return 1;
}
while (cap.read(frame))
{
detectandshow(&alpr, frame, "", outputJson);
usleep(1000);
framenum++;
}
}
else if (startsWith(filename, "http://") || startsWith(filename, "https://"))
{
int framenum = 0;
VideoBuffer videoBuffer;
videoBuffer.connect(filename, 5);
cv::Mat latestFrame;
while (program_active)
{
int response = videoBuffer.getLatestFrame(&latestFrame);
if (response != -1)
{
detectandshow( &alpr, latestFrame, "", outputJson);
}
// Sleep 10ms
usleep(10000);
}
videoBuffer.disconnect();
std::cout << "Video processing ended" << std::endl;
}
else if (hasEndingInsensitive(filename, ".avi") || hasEndingInsensitive(filename, ".mp4") || hasEndingInsensitive(filename, ".webm") ||
hasEndingInsensitive(filename, ".flv") || hasEndingInsensitive(filename, ".mjpg") || hasEndingInsensitive(filename, ".mjpeg"))
{
if (fileExists(filename.c_str()))
{
int framenum = 0;
cv::VideoCapture cap=cv::VideoCapture();
cap.open(filename);
cap.set(CV_CAP_PROP_POS_MSEC, seektoms);
while (cap.read(frame))
{
if (SAVE_LAST_VIDEO_STILL)
{
cv::imwrite(LAST_VIDEO_STILL_LOCATION, frame);
}
std::cout << "Frame: " << framenum << std::endl;示例2: main
//.........这里部分代码省略.........
webcamnumber = atoi(filename.substr(WEBCAM_PREFIX.length()).c_str());
}
int framenum = 0;
cv::VideoCapture cap(webcamnumber);
if (!cap.isOpened())
{
std::cerr << "Error opening webcam" << std::endl;
return 1;
}
while (cap.read(frame))
{
if (framenum == 0)
motiondetector.ResetMotionDetection(&frame);
detectandshow(&alpr, frame, "", outputJson);
sleep_ms(10);
framenum++;
}
}
else if (startsWith(filename, "http://") || startsWith(filename, "https://"))
{
int framenum = 0;
VideoBuffer videoBuffer;
videoBuffer.connect(filename, 5);
cv::Mat latestFrame;
while (program_active)
{
std::vector<cv::Rect> regionsOfInterest;
int response = videoBuffer.getLatestFrame(&latestFrame, regionsOfInterest);
if (response != -1)
{
if (framenum == 0)
motiondetector.ResetMotionDetection(&latestFrame);
detectandshow(&alpr, latestFrame, "", outputJson);
}
// Sleep 10ms
sleep_ms(10);
framenum++;
}
videoBuffer.disconnect();
std::cout << "Video processing ended" << std::endl;
}
else if (hasEndingInsensitive(filename, ".avi") || hasEndingInsensitive(filename, ".mp4") ||
hasEndingInsensitive(filename, ".webm") ||
hasEndingInsensitive(filename, ".flv") || hasEndingInsensitive(filename, ".mjpg") ||
hasEndingInsensitive(filename, ".mjpeg") ||
hasEndingInsensitive(filename, ".mkv")
)
{
if (fileExists(filename.c_str()))
{
int framenum = 0;
cv::VideoCapture cap = cv::VideoCapture();
cap.open(filename);
cap.set(CV_CAP_PROP_POS_MSEC, seektoms);