292 lines
6.8 KiB
C
292 lines
6.8 KiB
C
/*
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* Copyright (c) 2003, 2004, 2005
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* John Wehle <john@feith.com>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/* Set the channel of the tuner card. */
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/ioctl.h>
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#include <unistd.h>
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#if __FreeBSD_version < 503001
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# include <machine/ioctl_meteor.h>
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# include <machine/ioctl_bt848.h>
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#else
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# include <dev/bktr/ioctl_meteor.h>
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# include <dev/bktr/ioctl_bt848.h>
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#endif
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static void
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usage()
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{
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printf
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("Usage: setchannel [-a {on|off}] [-c | -r | -s | -t] "
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"[-g geom] [-m chnl_set] [chnl | freq]\n"
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" -a Enable / disable AFC.\n"
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" -c Select composite input.\n"
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" -d Select tuner unit number.\n"
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" -r Select radio input.\n"
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" -s Select svideo input.\n"
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" -t Select tuner.\n"
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" -g Select geometry.\n"
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" 352x240 or 352x288 = VCD\n"
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" 480x480 or 480x576 = SVCD\n"
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" 352x480 or 352x576 = DVD (half D1)\n"
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" 720x480 or 720x576 = DVD (full D1)\n"
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" -m Select channel set / system.\n"
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" 0 = Tuner Default\n"
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" %u = US Broadcast / NTSC\n"
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" %u = US Cable / NTSC\n"
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" %u = Western Europe / PAL\n"
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" %u = Japan Broadcast / NTSC\n"
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" %u = Japan Cable / NTSC\n"
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" %u = Australia / PAL\n"
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" %u = France / SECAM\n"
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" chnl Channel\n"
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" freq Frequency in MHz (must include decimal point).\n",
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CHNLSET_NABCST, CHNLSET_CABLEIRC, CHNLSET_WEUROPE, CHNLSET_JPNBCST,
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CHNLSET_JPNCABLE, CHNLSET_AUSTRALIA, CHNLSET_FRANCE);
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}
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#define DEVNAME_BASE "/dev/cxm"
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char dev_name[16];
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int
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main(int argc, char *argv[])
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{
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char *ptr;
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char *endptr;
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int afc;
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int audio;
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int c;
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int channel_set;
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int i;
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int status;
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int unit;
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int tfd;
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unsigned int channel;
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unsigned int fraction;
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unsigned int freq;
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unsigned int x_size;
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unsigned int y_size;
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unsigned long device;
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struct bktr_capture_area cap;
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afc = -1;
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audio = -1;
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channel = 0;
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channel_set = -1;
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device = 0;
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freq = 0;
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status = 0;
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unit = 0;
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x_size = 0;
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y_size = 0;
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while ((c = getopt(argc, argv, "a:cd:rg:m:st")) != -1)
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switch (c) {
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case 'a':
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if (strcasecmp(optarg, "on") == 0)
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afc = 1;
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else if (strcasecmp(optarg, "off") == 0)
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afc = 0;
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else {
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usage();
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exit(1);
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}
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break;
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case 'c':
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device = METEOR_INPUT_DEV2;
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audio = -1;
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break;
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case 'd':
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unit = atoi(optarg);
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break;
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case 'r':
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device = 0;
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audio = AUDIO_INTERN;
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break;
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case 's':
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device = METEOR_INPUT_DEV_SVIDEO;
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audio = -1;
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break;
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case 't':
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device = METEOR_INPUT_DEV1;
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audio = -1;
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break;
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case 'g':
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if (sscanf(optarg, "%ux%u", &x_size, &y_size) != 2
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|| x_size == 0 || y_size == 0) {
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usage();
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exit(1);
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}
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break;
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case 'm':
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channel_set = atoi(optarg);
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if (channel_set < 0 || channel_set > CHNLSET_MAX) {
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usage();
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exit(1);
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}
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break;
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default:
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usage();
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exit(1);
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}
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if (optind < argc) {
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/*
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* A number containing a decimal point is the frequency in MHz.
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*/
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if ((ptr = strchr(argv[optind], '.')) != NULL) {
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freq = strtol(argv[optind], &endptr, 10) * 1000;
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if (ptr != endptr) {
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usage();
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exit(1);
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}
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ptr++;
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fraction = strtol(ptr, &endptr, 10);
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if (!isdigit(*ptr) || *endptr != '\0') {
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usage();
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exit(1);
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}
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for (i = endptr - ptr; i > 3; i--)
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fraction /= 10;
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for (; i < 3; i++)
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fraction *= 10;
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freq += fraction;
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}
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/* An integer is the channel. */
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else
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channel = atoi(argv[optind]);
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}
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if (afc == -1 && audio == -1 && !device && x_size == 0 && y_size == 0
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&& channel_set == -1 && !channel && !freq) {
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usage();
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exit(1);
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}
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sprintf(dev_name, DEVNAME_BASE "%d", unit);
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tfd = open(dev_name, O_RDONLY);
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if (tfd < 0) {
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fprintf(stderr, "Can't open %s: %s (%d)\n", dev_name,
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strerror(errno), errno);
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exit(1);
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}
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if (afc != -1)
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if (ioctl(tfd, TVTUNER_SETAFC, &afc) < 0) {
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perror("ioctl(tfd, TVTUNER_SETAFC) failed.");
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status = 1;
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}
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if (device)
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if (ioctl(tfd, METEORSINPUT, &device) < 0) {
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perror("ioctl(tfd, METEORSINPUT) failed.");
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status = 1;
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}
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if (audio != -1)
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if (ioctl(tfd, BT848_SAUDIO, &audio) < 0) {
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perror("ioctl(tfd, BT848_SAUDIO) failed.");
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status = 1;
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}
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if (ioctl(tfd, BT848_GAUDIO, &audio) < 0) {
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perror("ioctl(tfd, BT848_GAUDIO) failed.");
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status = 1;
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}
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if (x_size && y_size) {
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memset(&cap, 0, sizeof(cap));
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cap.x_size = x_size;
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cap.y_size = y_size;
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if (ioctl(tfd, BT848_SCAPAREA, &cap) < 0) {
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perror("ioctl(tfd, BT848_SCAPAREA) failed.");
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status = 1;
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}
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}
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if (channel_set != -1)
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if (ioctl(tfd, TVTUNER_SETTYPE, &channel_set) < 0) {
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perror("ioctl(tfd, TVTUNER_SETTYPE) failed.");
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status = 1;
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}
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if (channel) {
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if (ioctl(tfd, TVTUNER_SETCHNL, &channel) < 0) {
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perror("ioctl(tfd, TVTUNER_SETCHNL) failed.");
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status = 1;
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}
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} else if (freq) {
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if (audio == AUDIO_INTERN) {
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/* Convert from kHz to MHz * 100 */
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freq = freq / 10;
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if (ioctl(tfd, RADIO_SETFREQ, &freq) < 0) {
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perror("ioctl(tfd, RADIO_SETFREQ) failed.");
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status = 1;
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}
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} else {
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/* Convert from kHz to MHz * 16 */
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freq = (freq * 16) / 1000;
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if (ioctl(tfd, TVTUNER_SETFREQ, &freq) < 0) {
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perror("ioctl(tfd, TVTUNER_SETFREQ) failed.");
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status = 1;
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}
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}
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}
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close(tfd);
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exit(status);
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}
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