diff options
author | jkh <jkh@FreeBSD.org> | 1995-08-28 16:54:54 +0000 |
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committer | jkh <jkh@FreeBSD.org> | 1995-08-28 16:54:54 +0000 |
commit | 2b17fbec31ffc2e5942af1cb88340fcc9de9a2fc (patch) | |
tree | 28be44c855ad406d4141388ba52c90e7d9aa3331 /share/examples/meteor | |
parent | 9d58b7eb431a526e0959673cb54d7475d8663bb1 (diff) | |
download | FreeBSD-src-2b17fbec31ffc2e5942af1cb88340fcc9de9a2fc.zip FreeBSD-src-2b17fbec31ffc2e5942af1cb88340fcc9de9a2fc.tar.gz |
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>
Diffstat (limited to 'share/examples/meteor')
-rw-r--r-- | share/examples/meteor/README | 1 | ||||
-rw-r--r-- | share/examples/meteor/rgb16.c | 106 | ||||
-rw-r--r-- | share/examples/meteor/rgb24.c | 101 | ||||
-rw-r--r-- | share/examples/meteor/test-n.c | 162 | ||||
-rw-r--r-- | share/examples/meteor/yuvpk.c | 118 | ||||
-rw-r--r-- | share/examples/meteor/yuvpl.c | 138 |
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); +} |