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you can download Source code from here I recently wrote a blog post about how to record synchronized audio and video in MATLAB by sending command lines to the ffmpeg program.
You can find out more here, but below is a sample using some settings that made sense on my computer.
F = im2frame(I); % Convert I to a movie frame avi Object = addframe(avi Object, F); % Add the frame to the AVI file end avi Object = close(avi Object); % Close the AVI file set(vid,'Frames Per Trigger',100); start(vid); wait(vid, Inf); % Retrieve the frames and timestamps for each frame.
[frames,time] = getdata(vid, get(vid,'Frames Available')); % Calculate frame rate by averaging difference between each frame's timestamp framerate = mean(1./diff(time)) property specifies how often frames are stored from the video stream.
Using the Image Acquisition Toolbox, you can log images directly to an AVI file. Create an AVI file object to log to, using the avifile command. It requires JMF being installed and configured before-hand, but once you're done you can access the hardware via Java code fairly easily. I've done this on my laptop by finding a command line program that snaps a picture. Open CVFrame Grabber; import com.googlecode.opencv_core. Ipl Image; public class High Res extends JComponent implements Runnable enum Keys I have used JMF on a videoconference application and it worked well on two laptops: one with integrated webcam and another with an old USB webcam. Moreover, it also provides a set of real-time video processing features, like object tracking and filtering. The following code creates a Swing-based TV capture program with the video output displayed in the entire window: Java usually doesn't like accessing hardware, so you will need a driver program of some sort, as goldenmean said. Except for the part about reading pixel values into an array, you might be better served by saving the file to BMP, which is nearly that format already, then using the standard java image libraries on it. Then it's the same as goldenmean explained; you run the command line program from your java program in the takepicture() routine, and the rest of your code runs the same.