Download Piano player with Virtual touch keyboard

Piano player with Virtual touch keyboard
Source code
Software Control
/*
* capturing from UVC cam
* requires: libjpeg-dev
* build: gcc -std=c99 piano_v5.c -ljpeg -o piano_v5
*/
#include <unistd.h>
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <asm/types.h>
#include <linux/videodev2.h>
#include <sys/time.h>
#include <sys/types.h>
#include <jpeglib.h>
#include <inttypes.h>
#include "vga_led.h"
#include <sys/stat.h>
#include <linux/types.h>
#include <stdio.h>
#include <termios.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/time.h>
void changemode(int dir)
{
static struct termios oldt, newt;
if ( dir == 1 )
{
tcgetattr( STDIN_FILENO, &oldt);
newt = oldt;
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