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Bring in example files for Mark Tinguely and Jim Lowe's Matrox Meteor driver.

Browse Source 
Submitted by: Mark Tinguely <tinguely@plains.nodak.edu> and Jim Lowe <james>
This commit is contained in:
Jordan K. Hubbard 1995-08-28 16:54:54 +00:00
parent 4bb0ce8ce3
commit 79f04fe603
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=10390
6 changed files with 626 additions and 0 deletions
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1
share/examples/meteor/README Normal file
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Example programs for the Matrox Meteor Video Capture Driver.

106
share/examples/meteor/rgb16.c Normal file
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/* capture a PPM image using RGB16 and single capture mode */
/* Copyright (c) 1995 Mark Tinguely and Jim Lowe
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Mark Tinguely and Jim Lowe
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/fcntl.h>
/*#include <machine/ioctl_meteor.h>*/
#include "/sys/i386/include/ioctl_meteor.h"
extern int errno;
#define ROWS 480
#define COLS 640
#define SIZE (ROWS * COLS * 2)
main()
{
struct meteor_geomet geo;
short *rgb16;
char b[4];
char header[16];
int i,o,c;
if ((i = open("/dev/meteor", O_RDONLY)) < 0) {
printf("open failed: %d\n", errno);
exit(1);
}
/* set up the capture type and size */
geo.rows = ROWS;
geo.columns = COLS;
geo.frames = 1;
geo.oformat = METEOR_GEO_RGB16;
if (ioctl(i, METEORSETGEO, &geo) < 0) {
printf("ioctl failed: %d\n", errno);
exit(1);
}
c = METEOR_FMT_NTSC;
if (ioctl(i, METEORSFMT, &c) < 0) {
printf("ioctl failed: %d\n", errno);
exit(1);
}
c = METEOR_INPUT_DEV0;
if (ioctl(i, METEORSINPUT, &c) < 0) {
printf("ioctl failed: %d\n", errno);
exit(1);
}
rgb16 = (short *)mmap((caddr_t)0,SIZE,PROT_READ,0, i, (off_t)0);
if (rgb16 == (short *) -1) return (0);
c = METEOR_CAP_SINGLE ;
ioctl(i, METEORCAPTUR, &c);
if ((o = open("rgb16.ppm", O_WRONLY | O_CREAT, 0644)) < 0) {
printf("ppm open failed: %d\n", errno);
exit(1);
}
/* make PPM header and save to file */
strcpy(&header[0], "P6 640 480 255 ");
header[2] = header[6] = header[10] = header[14] = '\n';
write (o, &header[0], 15);
for (c = 0 ; c < ROWS*COLS; c++) {
b[0]= ((*rgb16 >> 7) & 0xf8); /* r */
b[1]= ((*rgb16 >> 2) & 0xf8); /* g */
b[2]= ((*rgb16++ << 3) & 0xf8); /* b */
write(o, &b[0], 3);
}
close(o);
close(i);
exit(0);
}

101
share/examples/meteor/rgb24.c Normal file
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/* capture a PPM file using 24 bit RGB image and read() */
/* Copyright (c) 1995 Mark Tinguely and Jim Lowe
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Mark Tinguely and Jim Lowe
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/fcntl.h>
/*#include <machine/ioctl_meteor.h>*/
#include "/sys/i386/include/ioctl_meteor.h"
extern int errno;
#define ROWS 300
#define COLS 400
#define SIZE (ROWS * COLS * 4)
main()
{
struct meteor_geomet geo;
char buf[SIZE],b[4],header[16],*p;
int i,o,c;
if ((i = open("/dev/meteor", O_RDONLY)) < 0) {
printf("open failed: %d\n", errno);
exit(1);
}
/* set up the capture type and size */
geo.rows = ROWS;
geo.columns = COLS;
geo.frames = 1;
geo.oformat = METEOR_GEO_RGB24 ;
if (ioctl(i, METEORSETGEO, &geo) < 0) {
printf("ioctl failed: %d\n", errno);
exit(1);
}
c = METEOR_FMT_NTSC;
if (ioctl(i, METEORSFMT, &c) < 0) {
printf("ioctl failed: %d\n", errno);
exit(1);
}
c = METEOR_INPUT_DEV0;
if (ioctl(i, METEORSINPUT, &c) < 0) {
printf("ioctl failed: %d\n", errno);
exit(1);
}
if ((c=read(i, &buf[0], SIZE)) < SIZE) {
printf("read failed %d %d %d\n", c, i, errno);
close(i);
exit(1);
}
close(i);
if ((o = open("rgb24.ppm", O_WRONLY | O_CREAT, 0644)) < 0) {
printf("ppm open failed: %d\n", errno);
exit(1);
}
/* make PPM header and save to file */
strcpy(&header[0], "P6 400 300 255 ");
header[2] = header[6] = header[10] = header[14] = '\n';
write (o, &header[0], 15);
/* save the RGB data to PPM file */
for (p = &buf[0]; p < &buf[SIZE]; ) {
b[2] = *p++; /* blue */
b[1] = *p++; /* green */
b[0] = *p++; /* red */
*p++; /* NULL byte */
write(o,&b[0], 3); /* not very efficient */
}
close(o);
exit(0);
}

162
share/examples/meteor/test-n.c Normal file
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/* A simple program to test the communication between the matrox meteor
* driver and an user application in the continous sync capture mode.
*
* First the driver clears the mask and decrements the counter like it
* would in a normal application. Then it purpose does not handle these
* responsibilities to simulate an application falling behind. I use
* the HUP signal to work as if the some of the buffers were removed
* (the second couter is used to cleared the correct bits.
*
* build kernel with at least:
*
* options "METEOR_ALLOC_PAGES=301"
*
*/
/* Copyright (c) 1995 Mark Tinguely and Jim Lowe
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Mark Tinguely and Jim Lowe
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/fcntl.h>
/*#include <machine/ioctl_meteor.h> */
#include "/sys/i386/include/ioctl_meteor.h"
typedef unsigned char uint8;
typedef signed char int8;
int i;
static uint8 *y;
extern int errno;
struct meteor_mem *common_mem;
int sig_cnt;
int sig_cnt2;
void
hup_catcher()
{
/* clear 4 oldest active bits */
common_mem->active &= ~(1 << (sig_cnt2++ % 32));
common_mem->active &= ~(1 << (sig_cnt2++ % 32));
common_mem->active &= ~(1 << (sig_cnt2++ % 32));
common_mem->active &= ~(1 << (sig_cnt2++ % 32));
/* lowat is low enough that I will need 2 hups to start saving again */
common_mem->num_active_bufs -= 4;
puts("hup caught");
}
void
usr2_catcher()
{
int j;
struct meteor_capframe capframe;
printf("active %3d = %08x ", sig_cnt,common_mem->active);
printf("# act %3d = %d\n", sig_cnt, common_mem->num_active_bufs);
if (sig_cnt < 80) {
common_mem->active &= ~(1 << (sig_cnt % 32));
common_mem->num_active_bufs--;
sig_cnt2++;
}
printf("data %08x\n", *((u_long *) (y + (sig_cnt % 32) *
common_mem->frame_size)));
if (++sig_cnt >= 200) {
capframe.command=METEOR_CAP_STOP_FRAMES;
if (ioctl(i, METEORCAPFRM, &capframe) < 0) {
printf("METEORCAPFRM failed %d\n", errno);
exit(1);
}
exit (0);
}
}
main()
{
struct meteor_geomet geo;
int height, width, depth, frames, size;
struct meteor_capframe capframe;
if ((i = open("/dev/meteor", O_RDONLY)) < 0) {
printf("open failed\n");
exit(1);
}
printf("test %d %d\n", errno, i);
height = geo.rows = 120;
width= geo.columns = 160;
frames = geo.frames = 32;
depth = 2; /* 2 bytes per pixel */
printf("ioctl %d %d\n", errno, i);
geo.oformat = METEOR_GEO_RGB16;
if (ioctl(i, METEORSETGEO, &geo) < 0) {
printf("METEORSETGEO failed %d\n", errno);
exit(1);
}
printf("mmap %d %d\n", errno, i);
size = ((width*height*depth*frames+4095)/4096)*4096;
y=(uint8 *) mmap((caddr_t)0, size + 4096, PROT_READ |PROT_WRITE,0, i, (off_t)0);
if (y == (uint8 *) -1) return (0);
common_mem = (struct meteor_mem *) (y + size);
signal(1, hup_catcher);
signal(31, usr2_catcher);
capframe.command=METEOR_CAP_N_FRAMES;
capframe.signal=31;
capframe.lowat=25;
capframe.hiwat=30;
printf("ioctl %d %d\n", errno, i);
if (ioctl(i, METEORCAPFRM, &capframe) < 0) {
printf("METEORCAPFRM failed %d\n", errno);
exit(1);
}
printf("signal = %d\n", common_mem->signal);
printf("frame size = %d\n", common_mem->frame_size);
printf("buffers = %d\n", common_mem->num_bufs);
printf("hiwater = %d\n", common_mem->hiwat);
printf("lowater = %d\n", common_mem->lowat);
printf("active = %08x\n", common_mem->active);
printf("# active = %d\n", common_mem->num_active_bufs);
printf("sleep loop\n", errno, i);
while (1) {
sleep (60);
}
}

118
share/examples/meteor/yuvpk.c Normal file
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/* capture a PPM image using YUV packed format and single capture mode */
/* Copyright (c) 1995 Mark Tinguely and Jim Lowe
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Mark Tinguely and Jim Lowe
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/fcntl.h>
/*#include <machine/ioctl_meteor.h>*/
#include "/sys/i386/include/ioctl_meteor.h"
typedef unsigned char uint8;
typedef signed char int8;
static int8 *yuv_data;
extern int errno;
#define ROWS 480
#define COLS 640
#define SIZE (ROWS * COLS * 2)
main()
{
struct meteor_geomet geo;
char b[4],header[16],*p;
int i,o,c,r;
int y1,y2,u,v;
if ((i = open("/dev/meteor", O_RDONLY)) < 0) {
printf("open failed: %d\n", errno);
exit(1);
}
/* set up the capture type and size */
geo.rows = ROWS;
geo.columns = COLS;
geo.frames = 1;
geo.oformat = METEOR_GEO_YUV_PACKED;
if (ioctl(i, METEORSETGEO, &geo) < 0) {
printf("ioctl failed: %d\n", errno);
exit(1);
}
c = METEOR_FMT_NTSC;
if (ioctl(i, METEORSFMT, &c) < 0) {
printf("ioctl failed: %d\n", errno);
exit(1);
}
c = METEOR_INPUT_DEV0;
if (ioctl(i, METEORSINPUT, &c) < 0) {
printf("ioctl failed: %d\n", errno);
exit(1);
}
yuv_data = (uint8 *)mmap((caddr_t)0,SIZE,PROT_READ,0, i, (off_t)0);
if (yuv_data == (int8 *) -1) return (0);
c = METEOR_CAP_SINGLE ;
ioctl(i, METEORCAPTUR, &c);
if ((o = open("yuvpk.ppm", O_WRONLY | O_CREAT, 0644)) < 0) {
printf("ppm open failed: %d\n", errno);
exit(1);
}
/* make PPM header and save to file */
strcpy(&header[0], "P6 640 480 255 ");
header[2] = header[6] = header[10] = header[14] = '\n';
write (o, &header[0], 15);
for (c = 0 ; c < ROWS*COLS; c+=2) {
u = *yuv_data++;
if ((y1 = *yuv_data++) < 0) y1 += 256;
v = *yuv_data++;
if ((y2 = *yuv_data++) < 0) y2 += 256;
b[0]= (double)y1 + 1.375 * (double)v ; /*r*/
b[1]= (double)y1 - 0.703125 * (double)v -0.34375 * (double)u ; /* g */
b[2]= (double)y1 + 1.734375 * (double)u ; /* b */
b[3]= (double)y2 + 1.375 * (double)v ; /*r*/
b[4]= (double)y2 - 0.703125 * (double)v -0.34375 * (double)u ; /* g */
b[5]= (double)y2 + 1.734375 * (double)u ; /* b */
write(o,&b[0], 6);
}
close(o);
close(i);
exit(0);
}

138
share/examples/meteor/yuvpl.c Normal file
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/* capture a PPM image using YUV planer format and single capture mode */
/* Copyright (c) 1995 Mark Tinguely and Jim Lowe
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Mark Tinguely and Jim Lowe
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/fcntl.h>
/*#include <machine/ioctl_meteor.h>*/
#include "/sys/i386/include/ioctl_meteor.h"
typedef unsigned char uint8;
typedef signed char int8;
static uint8 *yuv_data;
static int8 *ue, *uo, *ve, *vo;
extern int errno;
#define ROWS 480
#define COLS 640
#define SIZE (ROWS * COLS * 2)
main()
{
struct meteor_geomet geo;
char b[4],header[16],*p;
int i,o,c,r;
int y1,y2,u,v;
int temp;
if ((i = open("/dev/meteor", O_RDONLY)) < 0) {
printf("open failed: %d\n", errno);
exit(1);
}
/* set up the capture type and size */
geo.rows = ROWS;
geo.columns = COLS;
geo.frames = 1;
geo.oformat = METEOR_GEO_YUV_PLANER;
if (ioctl(i, METEORSETGEO, &geo) < 0) {
printf("ioctl failed: %d\n", errno);
exit(1);
}
c = METEOR_FMT_NTSC;
if (ioctl(i, METEORSFMT, &c) < 0) {
printf("ioctl failed: %d\n", errno);
exit(1);
}
c = METEOR_INPUT_DEV0;
if (ioctl(i, METEORSINPUT, &c) < 0) {
printf("ioctl failed: %d\n", errno);
exit(1);
}
yuv_data = (uint8 *)mmap((caddr_t)0,SIZE,PROT_READ,0, i, (off_t)0);
if (yuv_data == (uint8 *) -1) return (0);
temp = ROWS * COLS;
ue = yuv_data + temp;
temp = temp / 4;
ve = ue + temp;
uo = ve + temp;
vo = uo + temp;
printf("data locations = %08x %08x %08x %08x %08x \n", yuv_data,ue,ve,uo,vo);
c = METEOR_CAP_SINGLE ;
ioctl(i, METEORCAPTUR, &c);
printf("read done %d %d\n", errno, i);
if ((o = open("yuvpl.ppm", O_WRONLY | O_CREAT, 0644)) < 0) {
printf("ppm open failed: %d\n", errno);
exit(1);
}
/* make PPM header and save to file */
strcpy(&header[0], "P6 640 480 255 ");
header[2] = header[6] = header[10] = header[14] = '\n';
write (o, &header[0], 15);
for (r = 0 ; r < ROWS ; r++) {
for (c = 0 ; c < COLS / 2; c++) {
if ((y1 = *yuv_data++) < 0) y1 += 256;
if ((y2 = *yuv_data++) < 0) y2 += 256;
if (r & 1) { /* odd */
u = *uo++ ;
v = *vo++;
}
else { /* even */
u = *ue++;
v = *ve++;
}
b[0]= (double)y1 + 1.375 * (double)v ; /*r*/
b[1]= (double)y1 - 0.703125 * (double)v -0.34375 * (double)u ; /* g */
b[2]= (double)y1 + 1.734375 * (double)u ; /* b */
b[3]= (double)y2 + 1.375 * (double)v ; /*r*/
b[4]= (double)y2 - 0.703125 * (double)v -0.34375 * (double)u ; /* g */
b[5]= (double)y2 + 1.734375 * (double)u ; /* b */
write(o,&b[0], 6);
}
}
close(o);
close(i);
exit(0);
}