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

Submitted by: Mark Tinguely <tinguely@plains.nodak.edu> and Jim Lowe <james>

6 files changed, 626 insertions, 0 deletions

diff --git a/share/examples/meteor/README b/share/examples/meteor/README
new file mode 100644
index 0000000..c242145
--- /dev/null
+++ b/share/examples/meteor/README
@@ -0,0 +1 @@
+Example programs for the Matrox Meteor Video Capture Driver.
diff --git a/share/examples/meteor/rgb16.c b/share/examples/meteor/rgb16.c
new file mode 100644
index 0000000..17b1592
--- /dev/null
+++ b/share/examples/meteor/rgb16.c
@@ -0,0 +1,106 @@
+/* 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);
+}
diff --git a/share/examples/meteor/rgb24.c b/share/examples/meteor/rgb24.c
new file mode 100644
index 0000000..f296902
--- /dev/null
+++ b/share/examples/meteor/rgb24.c
@@ -0,0 +1,101 @@
+	/* 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);
+}
diff --git a/share/examples/meteor/test-n.c b/share/examples/meteor/test-n.c
new file mode 100644
index 0000000..f899033
--- /dev/null
+++ b/share/examples/meteor/test-n.c
@@ -0,0 +1,162 @@
+/* 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);
+	}
+}
diff --git a/share/examples/meteor/yuvpk.c b/share/examples/meteor/yuvpk.c
new file mode 100644
index 0000000..b2941e0
--- /dev/null
+++ b/share/examples/meteor/yuvpk.c
@@ -0,0 +1,118 @@
+/* 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);
+}
diff --git a/share/examples/meteor/yuvpl.c b/share/examples/meteor/yuvpl.c
new file mode 100644
index 0000000..243644d
--- /dev/null
+++ b/share/examples/meteor/yuvpl.c
@@ -0,0 +1,138 @@
+/* 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);
+}