v4l2编程经典(里面是可执行的程序)

v4l2编程经典(里面是可执行的程序)。int main(int argc, char *argv[]) { int usb_camera_fd = -1,framesize=0,jpegsize=0; char *usb_video_dev = USB_VIDEO_DEV; //"/dev/ video0" char *filename = FILE_NAME;// "/tmp/1.jpg"