Examples with FFmpegFrameGrabber org.bytedeco.javacv.FFmpegFrameGrabber used on opensource projects

Example 6 with FFmpegFrameGrabber

use of org.bytedeco.javacv.FFmpegFrameGrabber in project bigbluebutton by bigbluebutton.

the class FfmpegScreenshare method setupLinuxGrabber.

private FFmpegFrameGrabber setupLinuxGrabber(int width, int height, int x, int y) {
    // ffmpeg -video_size 1024x768 -framerate 25 -f x11grab -i :0.0+100,200 output.mp4
    // This will grab the image from desktop, starting with the upper-left corner at (x=100, y=200) 
    // with the width and height of 1024x768.
    String inputDevice = ":";
    if (ssi.fullScreen) {
        inputDevice = inputDevice.concat(new Integer(0).toString()).concat(".").concat(new Integer(0).toString());
        inputDevice = inputDevice.concat("+").concat(new Integer(0).toString()).concat(",").concat(new Integer(0).toString());
    } else {
        inputDevice = inputDevice.concat(new Integer(0).toString()).concat(".").concat(new Integer(0).toString());
        inputDevice = inputDevice.concat("+").concat(new Integer(x).toString()).concat(",").concat(new Integer(y).toString());
    }
    String videoSize = new Integer(width).toString().concat("x").concat(new Integer(height).toString());
    System.out.println("Setting up grabber for linux.");
    System.out.println("input:" + inputDevice + " videoSize:" + videoSize);
    FFmpegFrameGrabber linuxGrabber = new FFmpegFrameGrabber(inputDevice);
    linuxGrabber.setImageWidth(width);
    linuxGrabber.setImageHeight(height);
    linuxGrabber.setOption("video_size", videoSize);
    linuxGrabber.setFormat("x11grab");
    return linuxGrabber;
}

Example 7 with FFmpegFrameGrabber

use of org.bytedeco.javacv.FFmpegFrameGrabber in project bigbluebutton by bigbluebutton.

the class FfmpegScreenshare method setupMacOsXGrabber.

private FFmpegFrameGrabber setupMacOsXGrabber(int width, int height, int x, int y) {
    //ffmpeg -f avfoundation -i "Capture screen 0" test.mkv
    String inputDevice = "Capture screen 0:none";
    String videoSize = new Integer(width).toString().concat("x").concat(new Integer(height).toString());
    System.out.println("Setting up grabber for macosx.");
    System.out.println("input:" + inputDevice + " videoSize:" + videoSize);
    FFmpegFrameGrabber macGrabber = new FFmpegFrameGrabber(inputDevice);
    macGrabber.setImageWidth(width);
    macGrabber.setImageHeight(height);
    macGrabber.setFrameRate(frameRate);
    macGrabber.setPixelFormat(AV_PIX_FMT_RGB0);
    macGrabber.setFormat("avfoundation");
    macGrabber.setOption("capture_cursor", "1");
    macGrabber.setOption("capture_mouse_clicks", "1");
    return macGrabber;
}