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libtdevnc/x11vnc/v4l.c

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/* -- v4l.c -- */
#include "x11vnc.h"
#include "cleanup.h"
#include "scan.h"
#include "xinerama.h"
#include "screen.h"
#if LIBVNCSERVER_HAVE_LINUX_VIDEODEV_H
#if LIBVNCSERVER_HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#include <linux/videodev.h>
#define V4L_OK
#endif
#endif
char *v4l_guess(char *str, int *fd);
void v4l_key_command(rfbBool down, rfbKeySym keysym, rfbClientPtr client);
void v4l_pointer_command(int mask, int x, int y, rfbClientPtr client);
static int v4l1_val(int pct);
static int v4l1_width(int w);
static int v4l1_height(int h);
static int v4l1_resize(int fd, int w, int h);
static void v4l1_setfreq(int fd, unsigned long freq, int verb);
static void v4l1_set_input(int fd, int which);
static int v4l1_setfmt(int fd, char *fmt);
static void apply_settings(char *dev, char *settings, int *fd);
static int v4l1_dpct(int old, int d);
static void v4l_requery(void);
static void v4l_br(int b);
static void v4l_hu(int b);
static void v4l_co(int b);
static void v4l_cn(int b);
static void v4l_sz(int b);
static void v4l_sta(int sta);
static void v4l_inp(int inp);
static void v4l_fmt(char *fmt);
static int colon_n(char *line);
static char *colon_str(char *line);
static char *colon_tag(char *line);
static void lookup_rgb(char *g_fmt, int *g_b, int *mask_rev);
static char *v4l1_lu_palette(unsigned short palette);
static unsigned short v4l1_lu_palette_str(char *name, int *bits, int *rev);
static char *v4l2_lu_palette(unsigned int palette);
static unsigned int v4l2_lu_palette_str(char *name, int *bits, int *rev);
static int v4l1_query(int fd, int verbose);
static int v4l2_query(int fd, int verbose);
static int open_dev(char *dev);
static char *guess_via_v4l(char *dev, int *fd);
static char *guess_via_v4l_info(char *dev, int *fd);
static void parse_str(char *str, char **dev, char **settings, char **atparms);
static unsigned long lookup_freqtab(int sta);
static unsigned long lookup_freq(int sta);
static int lookup_station(unsigned long freq);
static void init_freqtab(char *file);
static void init_freqs(void);
static void init_ntsc_cable(void);
#define C_VIDEO_CAPTURE 1
#define C_PICTURE 2
#define C_WINDOW 3
#ifdef V4L_OK
static struct video_capability v4l1_capability;
static struct video_channel v4l1_channel;
static struct video_tuner v4l1_tuner;
static struct video_picture v4l1_picture;
static struct video_window v4l1_window;
#if HAVE_V4L2
static struct v4l2_capability v4l2_capability;
static struct v4l2_input v4l2_input;
static struct v4l2_tuner v4l2_tuner;
static struct v4l2_fmtdesc v4l2_fmtdesc;
static struct v4l2_format v4l2_format;
/*static struct v4l2_framebuffer v4l2_fbuf; */
/*static struct v4l2_queryctrl v4l2_qctrl; */
#endif
#endif
static int v4l1_cap = -1;
static int v4l2_cap = -1;
#define V4L1_MAX 65535
#define CHANNEL_MAX 500
static unsigned long ntsc_cable[CHANNEL_MAX];
static unsigned long custom_freq[CHANNEL_MAX];
static unsigned long last_freq = 0;
static int last_channel = 0;
static int v4l1_val(int pct) {
/* pct is % */
int val, max = V4L1_MAX;
if (pct < 0) {
return 0;
} else if (pct > 100) {
return max;
}
val = (pct * max)/100;
return val;
}
static int v4l1_width(int w) {
#ifdef V4L_OK
int min = v4l1_capability.minwidth;
int max = v4l1_capability.maxwidth;
if (w < min) {
w = min;
}
if (w > max) {
w = max;
}
#endif
return w;
}
static int v4l1_height(int h) {
#ifdef V4L_OK
int min = v4l1_capability.minheight;
int max = v4l1_capability.maxheight;
if (h < min) {
h = min;
}
if (h > max) {
h = max;
}
#endif
return h;
}
static int v4l1_resize(int fd, int w, int h) {
int dowin = 0;
#ifdef V4L_OK
memset(&v4l1_window, 0, sizeof(v4l1_window));
if (ioctl(fd, VIDIOCGWIN, &v4l1_window) == -1) {
return 0;
}
if (w > 0) w = v4l1_width(w);
if (w > 0 && w != (int) v4l1_window.width) {
dowin = 1;
}
if (h > 0) h = v4l1_height(h);
if (h > 0 && h != (int) v4l1_window.height) {
dowin = 1;
}
if (dowin) {
v4l1_window.x = 0;
v4l1_window.y = 0;
ioctl(fd, VIDIOCSWIN, &v4l1_window);
if (w > 0) v4l1_window.width = w;
if (h > 0) v4l1_window.height = h;
fprintf(stderr, "calling V4L_1: VIDIOCSWIN\n");
fprintf(stderr, "trying new size %dx%d\n",
v4l1_window.width, v4l1_window.height);
if (ioctl(fd, VIDIOCSWIN, &v4l1_window) == -1) {
perror("ioctl VIDIOCSWIN");
return 0;
}
}
#endif
return 1;
}
static void v4l1_setfreq(int fd, unsigned long freq, int verb) {
#ifdef V4L_OK
unsigned long f0, f1;
f1 = (freq * 16) / 1000;
ioctl(fd, VIDIOCGFREQ, &f0);
if (verb) fprintf(stderr, "read freq: %d\n", (int) f0);
if (freq > 0) {
if (ioctl(fd, VIDIOCSFREQ, &f1) == -1) {
perror("ioctl VIDIOCSFREQ");
} else {
ioctl(fd, VIDIOCGFREQ, &f0);
if (verb) fprintf(stderr, "read freq: %d\n", (int) f0);
last_freq = freq;
}
}
#endif
}
static void v4l1_set_input(int fd, int which) {
#ifdef V4L_OK
if (which != -1) {
memset(&v4l1_channel, 0, sizeof(v4l1_channel));
v4l1_channel.channel = which;
if (ioctl(fd, VIDIOCGCHAN, &v4l1_channel) != -1) {
v4l1_channel.channel = which;
fprintf(stderr, "setting input channel to %d: %s\n",
which, v4l1_channel.name);
last_channel = which;
ioctl(fd, VIDIOCSCHAN, &v4l1_channel);
}
}
#endif
}
static int v4l1_setfmt(int fd, char *fmt) {
#ifdef V4L_OK
unsigned short fnew;
int bnew, rnew;
fnew = v4l1_lu_palette_str(fmt, &bnew, &rnew);
if (fnew) {
v4l1_picture.depth = bnew;
v4l1_picture.palette = fnew;
}
fprintf(stderr, "calling V4L_1: VIDIOCSPICT\n");
if (ioctl(fd, VIDIOCSPICT, &v4l1_picture) == -1) {
perror("ioctl VIDIOCSPICT");
return 0;
}
if (raw_fb_pixfmt) {
free(raw_fb_pixfmt);
}
raw_fb_pixfmt = strdup(fmt);
#endif
return 1;
}
static int ignore_all = 0;
static void apply_settings(char *dev, char *settings, int *fd) {
char *str, *p, *fmt = NULL, *tun = NULL, *inp = NULL;
int br = -1, co = -1, cn = -1, hu = -1;
int w = -1, h = -1, b = -1;
int sta = -1;
int setcnt = 0;
#ifdef V4L_OK
if (! settings || settings[0] == '\0') {
return;
}
str = strdup(settings);
p = strtok(str, ",");
while (p) {
if (strstr(p, "br=") == p) {
br = atoi(p+3);
if (br >= 0) setcnt++;
} else if (strstr(p, "co=") == p) {
co = atoi(p+3);
if (co >= 0) setcnt++;
} else if (strstr(p, "cn=") == p) {
cn = atoi(p+3);
if (cn >= 0) setcnt++;
} else if (strstr(p, "hu=") == p) {
hu = atoi(p+3);
if (hu >= 0) setcnt++;
} else if (strstr(p, "w=") == p) {
w = atoi(p+2);
if (w > 0) setcnt++;
} else if (strstr(p, "h=") == p) {
h = atoi(p+2);
if (h > 0) setcnt++;
} else if (strstr(p, "bpp=") == p) {
b = atoi(p+4);
if (b > 0) setcnt++;
} else if (strstr(p, "fmt=") == p) {
fmt = strdup(p+4);
setcnt++;
} else if (strstr(p, "tun=") == p) {
tun = strdup(p+4);
setcnt++;
} else if (strstr(p, "inp=") == p) {
inp = strdup(p+4);
setcnt++;
} else if (strstr(p, "sta=") == p) {
sta = atoi(p+4);
setcnt++;
}
p = strtok(NULL, ",");
}
free(str);
if (! setcnt) {
return;
}
if (*fd < 0) {
*fd = open_dev(dev);
}
if (*fd < 0) {
return;
}
v4l1_cap = v4l1_query(*fd, 1);
v4l2_cap = v4l2_query(*fd, 1);
if (v4l1_cap && ! ignore_all) {
if (br >= 0) v4l1_picture.brightness = v4l1_val(br);
if (hu >= 0) v4l1_picture.hue = v4l1_val(hu);
if (co >= 0) v4l1_picture.colour = v4l1_val(co);
if (cn >= 0) v4l1_picture.contrast = v4l1_val(cn);
fprintf(stderr, "calling V4L_1: VIDIOCSPICT\n");
if (ioctl(*fd, VIDIOCSPICT, &v4l1_picture) == -1) {
perror("ioctl VIDIOCSPICT");
}
if (fmt) {
v4l1_setfmt(*fd, fmt);
} else if (b > 0 && b != v4l1_picture.depth) {
if (b == 8) {
v4l1_setfmt(*fd, "HI240");
} else if (b == 16) {
v4l1_setfmt(*fd, "RGB565");
} else if (b == 24) {
v4l1_setfmt(*fd, "RGB24");
} else if (b == 32) {
v4l1_setfmt(*fd, "RGB32");
}
}
v4l1_resize(*fd, w, h);
if (tun) {
int mode = -1;
if (!strcasecmp(tun, "PAL")) {
mode = VIDEO_MODE_PAL;
} else if (!strcasecmp(tun, "NTSC")) {
mode = VIDEO_MODE_NTSC;
} else if (!strcasecmp(tun, "SECAM")) {
mode = VIDEO_MODE_SECAM;
} else if (!strcasecmp(tun, "AUTO")) {
mode = VIDEO_MODE_AUTO;
}
if (mode != -1) {
int i;
for (i=0; i< v4l1_capability.channels; i++) {
memset(&v4l1_channel, 0, sizeof(v4l1_channel));
v4l1_channel.channel = i;
if (ioctl(*fd, VIDIOCGCHAN, &v4l1_channel) == -1) {
continue;
}
if (! v4l1_channel.tuners) {
continue;
}
if (v4l1_channel.norm == mode) {
continue;
}
v4l1_channel.norm = mode;
ioctl(*fd, VIDIOCSCHAN, &v4l1_channel);
}
}
}
if (inp) {
char s[2];
int i, chan = -1;
s[0] = inp[0];
s[1] = '\0';
if (strstr("0123456789", s)) {
chan = atoi(inp);
} else {
for (i=0; i< v4l1_capability.channels; i++) {
memset(&v4l1_channel, 0, sizeof(v4l1_channel));
v4l1_channel.channel = i;
if (ioctl(*fd, VIDIOCGCHAN, &v4l1_channel) == -1) {
continue;
}
if (!strcmp(v4l1_channel.name, inp)) {
chan = i;
break;
}
}
}
v4l1_set_input(*fd, chan);
}
if (sta >= 0) {
unsigned long freq = lookup_freq(sta);
v4l1_setfreq(*fd, freq, 1);
}
}
v4l1_cap = v4l1_query(*fd, 1);
v4l2_cap = v4l2_query(*fd, 1);
#else
return;
#endif
}
static double dval = 0.05;
static int v4l1_dpct(int old, int d) {
int new, max = V4L1_MAX;
/* -1 and 1 are special cases for "small increments" */
if (d == -1) {
new = old - (int) (dval * max);
} else if (d == 1) {
new = old + (int) (dval * max);
} else {
new = (d * max)/100;
}
if (new < 0) {
new = 0;
}
if (new > max) {
new = max;
}
return new;
}
static void v4l_requery(void) {
if (raw_fb_fd < 0) {
return;
}
v4l1_cap = v4l1_query(raw_fb_fd, 1);
v4l2_cap = v4l2_query(raw_fb_fd, 1);
}
static void v4l_br(int b) {
#ifdef V4L_OK
int old = v4l1_picture.brightness;
v4l1_picture.brightness = v4l1_dpct(old, b);
ioctl(raw_fb_fd, VIDIOCSPICT, &v4l1_picture);
v4l_requery();
#endif
}
static void v4l_hu(int b) {
#ifdef V4L_OK
int old = v4l1_picture.hue;
v4l1_picture.hue = v4l1_dpct(old, b);
ioctl(raw_fb_fd, VIDIOCSPICT, &v4l1_picture);
v4l_requery();
#endif
}
static void v4l_co(int b) {
#ifdef V4L_OK
int old = v4l1_picture.colour;
v4l1_picture.colour = v4l1_dpct(old, b);
ioctl(raw_fb_fd, VIDIOCSPICT, &v4l1_picture);
v4l_requery();
#endif
}
static void v4l_cn(int b) {
#ifdef V4L_OK
int old = v4l1_picture.contrast;
v4l1_picture.contrast = v4l1_dpct(old, b);
ioctl(raw_fb_fd, VIDIOCSPICT, &v4l1_picture);
v4l_requery();
#endif
}
static void v4l_sz(int b) {
#ifdef V4L_OK
int w_old = v4l1_window.width;
int h_old = v4l1_window.height;
int w, h;
if (w_old == 0) {
w_old = 160;
}
if (h_old == 0) {
h_old = 120;
}
if (b == 1) {
w = w_old + (int) (0.15 * w_old);
h = h_old + (int) (0.15 * h_old);
} else if (b == -1) {
w = w_old - (int) (0.15 * w_old);
h = h_old - (int) (0.15 * h_old);
} else {
return;
}
if (! v4l1_resize(raw_fb_fd, w, h)) {
return;
}
v4l_requery();
push_black_screen(4);
ignore_all = 1;
do_new_fb(1);
ignore_all = 0;
#endif
}
static void v4l_sta(int sta) {
#ifdef V4L_OK
unsigned long freq = 0;
int cur = lookup_station(last_freq);
if (! last_freq) {
if (sta == 0 || sta == -1) {
sta = 11;
}
}
if (sta == -1) {
while (cur > 0) {
freq = lookup_freq(--cur);
if (freq) {
break;
}
}
} else if (sta == 0) {
while (cur < CHANNEL_MAX - 1) {
freq = lookup_freq(++cur);
if (freq) {
break;
}
}
} else {
freq = lookup_freq(sta);
cur = sta;
}
fprintf(stderr, "to station %d / %d\n", cur, (int) freq);
v4l1_setfreq(raw_fb_fd, freq, 0);
#endif
}
static void v4l_inp(int inp) {
#ifdef V4L_OK
int next = -1;
if (inp == -1) {
inp = last_channel + 1;
if (inp >= v4l1_capability.channels) {
inp = 0;
}
next = inp;
} else if (inp == -2) {
inp = last_channel - 1;
if (inp < 0) {
inp = v4l1_capability.channels - 1;
}
next = inp;
} else {
next = inp;
}
v4l1_set_input(raw_fb_fd, next);
#endif
}
static void v4l_fmt(char *fmt) {
if (v4l1_setfmt(raw_fb_fd, fmt)) {
v4l_requery();
ignore_all = 1;
do_new_fb(1);
ignore_all = 0;
}
}
void v4l_key_command(rfbBool down, rfbKeySym keysym, rfbClientPtr client) {
if (raw_fb_fd < 0) {
return;
}
if (! down) {
return;
}
if (keysym == XK_b) {
v4l_br(-1);
} else if (keysym == XK_B) {
v4l_br(+1);
} else if (keysym == XK_h) {
v4l_hu(-1);
} else if (keysym == XK_H) {
v4l_hu(+1);
} else if (keysym == XK_c) {
v4l_co(-1);
} else if (keysym == XK_C) {
v4l_co(+1);
} else if (keysym == XK_n) {
v4l_cn(-1);
} else if (keysym == XK_N) {
v4l_cn(+1);
} else if (keysym == XK_s) {
v4l_sz(-1);
} else if (keysym == XK_S) {
v4l_sz(+1);
} else if (keysym == XK_i) {
v4l_inp(-1);
} else if (keysym == XK_I) {
v4l_inp(-2);
} else if (keysym == XK_Up) {
v4l_sta(+0);
} else if (keysym == XK_Down) {
v4l_sta(-1);
} else if (keysym == XK_F1) {
v4l_fmt("HI240");
} else if (keysym == XK_F2) {
v4l_fmt("RGB565");
} else if (keysym == XK_F3) {
v4l_fmt("RGB24");
} else if (keysym == XK_F4) {
v4l_fmt("RGB32");
} else if (keysym == XK_F5) {
v4l_fmt("RGB555");
} else if (keysym == XK_F6) {
v4l_fmt("GREY");
}
if (client) {}
}
void v4l_pointer_command(int mask, int x, int y, rfbClientPtr client) {
if (mask || x || y || client) {}
}
static int colon_n(char *line) {
char *q;
int n;
q = strrchr(line, ':');
if (! q) {
return 0;
}
q = lblanks(q+1);
if (sscanf(q, "%d", &n) == 1) {
return n;
}
return 0;
}
static char *colon_str(char *line) {
char *q, *p, *t;
q = strrchr(line, ':');
if (! q) {
return strdup("");
}
q = lblanks(q+1);
p = strpbrk(q, " \t\n");
if (p) {
*p = '\0';
}
t = strdup(q);
*p = '\n';
return t;
}
static char *colon_tag(char *line) {
char *q, *p, *t;
q = strrchr(line, '[');
if (! q) {
return strdup("");
}
q++;
p = strrchr(q, ']');
if (! p) {
return strdup("");
}
*p = '\0';
t = strdup(q);
*p = ']';
return t;
}
static void lookup_rgb(char *fmt, int *bits, int *rev) {
int tb, tr;
if (v4l2_lu_palette_str(fmt, &tb, &tr)) {
*bits = tb;
*rev = tr;
return;
}
if (v4l1_lu_palette_str(fmt, &tb, &tr)) {
*bits = tb;
*rev = tr;
return;
}
}
static char *v4l1_lu_palette(unsigned short palette) {
switch(palette) {
#ifdef V4L_OK
case VIDEO_PALETTE_GREY: return "GREY";
case VIDEO_PALETTE_HI240: return "HI240";
case VIDEO_PALETTE_RGB565: return "RGB565";
case VIDEO_PALETTE_RGB24: return "RGB24";
case VIDEO_PALETTE_RGB32: return "RGB32";
case VIDEO_PALETTE_RGB555: return "RGB555";
case VIDEO_PALETTE_YUV422: return "YUV422";
case VIDEO_PALETTE_YUYV: return "YUYV";
case VIDEO_PALETTE_UYVY: return "UYVY";
case VIDEO_PALETTE_YUV420: return "YUV420";
case VIDEO_PALETTE_YUV411: return "YUV411";
case VIDEO_PALETTE_RAW: return "RAW";
case VIDEO_PALETTE_YUV422P: return "YUV422P";
case VIDEO_PALETTE_YUV411P: return "YUV411P";
case VIDEO_PALETTE_YUV420P: return "YUV420P";
case VIDEO_PALETTE_YUV410P: return "YUV410P";
#endif
default: return "unknown";
}
}
static unsigned short v4l1_lu_palette_str(char *name, int *bits, int *rev) {
#ifdef V4L_OK
*rev = 0;
if (!strcmp(name, "RGB555")) {
*bits = 16;
return VIDEO_PALETTE_RGB555;
} else if (!strcmp(name, "RGB565")) {
*bits = 16;
return VIDEO_PALETTE_RGB565;
} else if (!strcmp(name, "RGB24")) {
*bits = 24;
return VIDEO_PALETTE_RGB24;
} else if (!strcmp(name, "RGB32")) {
*bits = 32;
return VIDEO_PALETTE_RGB32;
} else if (!strcmp(name, "HI240")) {
*bits = 8;
return VIDEO_PALETTE_HI240;
} else if (!strcmp(name, "GREY")) {
*bits = 8;
return VIDEO_PALETTE_GREY;
}
#endif
return 0;
}
static char *v4l2_lu_palette(unsigned int fmt) {
switch(fmt) {
#if defined(V4L_OK) && HAVE_V4L2
case V4L2_PIX_FMT_RGB332: return "RGB332";
case V4L2_PIX_FMT_RGB555: return "RGB555";
case V4L2_PIX_FMT_RGB565: return "RGB565";
case V4L2_PIX_FMT_RGB555X: return "RGB555X";
case V4L2_PIX_FMT_RGB565X: return "RGB565X";
case V4L2_PIX_FMT_BGR24: return "BGR24";
case V4L2_PIX_FMT_RGB24: return "RGB24";
case V4L2_PIX_FMT_BGR32: return "BGR32";
case V4L2_PIX_FMT_RGB32: return "RGB32";
case V4L2_PIX_FMT_GREY: return "GREY";
case V4L2_PIX_FMT_YVU410: return "YVU410";
case V4L2_PIX_FMT_YVU420: return "YVU420";
case V4L2_PIX_FMT_YUYV: return "YUYV";
case V4L2_PIX_FMT_UYVY: return "UYVY";
case V4L2_PIX_FMT_YUV422P: return "YUV422P";
case V4L2_PIX_FMT_YUV411P: return "YUV411P";
case V4L2_PIX_FMT_Y41P: return "Y41P";
case V4L2_PIX_FMT_NV12: return "NV12";
case V4L2_PIX_FMT_NV21: return "NV21";
case V4L2_PIX_FMT_YUV410: return "YUV410";
case V4L2_PIX_FMT_YUV420: return "YUV420";
case V4L2_PIX_FMT_YYUV: return "YYUV";
case V4L2_PIX_FMT_HI240: return "HI240";
case V4L2_PIX_FMT_MJPEG: return "MJPEG";
case V4L2_PIX_FMT_JPEG: return "JPEG";
case V4L2_PIX_FMT_DV: return "DV";
case V4L2_PIX_FMT_MPEG: return "MPEG";
#endif
default: return "unknown";
}
}
static unsigned int v4l2_lu_palette_str(char *name, int *bits, int *rev) {
#if defined(V4L_OK) && HAVE_V4L2
if (!strcmp(name, "RGB1") || !strcmp(name, "RGB332")) {
*bits = 8;
*rev = 0;
return V4L2_PIX_FMT_RGB332;
} else if (!strcmp(name, "RGBO") || !strcmp(name, "RGB555")) {
*bits = 16;
*rev = 0;
return V4L2_PIX_FMT_RGB555;
} else if (!strcmp(name, "RGBP") || !strcmp(name, "RGB565")) {
*bits = 16;
*rev = 0;
return V4L2_PIX_FMT_RGB565;
} else if (!strcmp(name, "RGBQ") || !strcmp(name, "RGB555X")) {
*bits = 16;
*rev = 1;
return V4L2_PIX_FMT_RGB555X;
} else if (!strcmp(name, "RGBR") || !strcmp(name, "RGB565X")) {
*bits = 16;
*rev = 1;
return V4L2_PIX_FMT_RGB565X;
} else if (!strcmp(name, "BGR3") || !strcmp(name, "BGR24")) {
*bits = 24;
*rev = 1;
return V4L2_PIX_FMT_BGR24;
} else if (!strcmp(name, "RGB3") || !strcmp(name, "RGB24")) {
*bits = 24;
*rev = 0;
return V4L2_PIX_FMT_RGB24;
} else if (!strcmp(name, "BGR4") || !strcmp(name, "BGR32")) {
*bits = 32;
*rev = 1;
return V4L2_PIX_FMT_BGR32;
} else if (!strcmp(name, "RGB4") || !strcmp(name, "RGB32")) {
*bits = 32;
*rev = 0;
return V4L2_PIX_FMT_RGB32;
} else if (!strcmp(name, "GREY")) {
*bits = 8;
*rev = 0;
return V4L2_PIX_FMT_GREY;
}
#endif
return 0;
}
static int v4l1_query(int fd, int v) {
#ifdef V4L_OK
unsigned int i;
memset(&v4l1_capability, 0, sizeof(v4l1_capability));
memset(&v4l1_channel, 0, sizeof(v4l1_channel));
memset(&v4l1_tuner, 0, sizeof(v4l1_tuner));
memset(&v4l1_picture, 0, sizeof(v4l1_picture));
memset(&v4l1_window, 0, sizeof(v4l1_window));
if (v) fprintf(stderr, "\nV4L_1 query:\n");
#ifdef VIDIOCGCAP
if (ioctl(fd, VIDIOCGCAP, &v4l1_capability) == -1) {
perror("ioctl VIDIOCGCAP");
fprintf(stderr, "\n");
return 0;
}
#else
return 0;
#endif
if (v) fprintf(stderr, "v4l-1 capability:\n");
if (v) fprintf(stderr, " name: %s\n", v4l1_capability.name);
if (v) fprintf(stderr, " channels: %d\n", v4l1_capability.channels);
if (v) fprintf(stderr, " audios: %d\n", v4l1_capability.audios);
if (v) fprintf(stderr, " maxwidth: %d\n", v4l1_capability.maxwidth);
if (v) fprintf(stderr, " maxheight: %d\n", v4l1_capability.maxheight);
if (v) fprintf(stderr, " minwidth: %d\n", v4l1_capability.minwidth);
if (v) fprintf(stderr, " minheight: %d\n", v4l1_capability.minheight);
for (i=0; (int) i < v4l1_capability.channels; i++) {
char *type = "unknown";
memset(&v4l1_channel, 0, sizeof(v4l1_channel));
v4l1_channel.channel = i;
if (ioctl(fd, VIDIOCGCHAN, &v4l1_channel) == -1) {
perror("ioctl VIDIOCGCHAN");
continue;
}
if (v4l1_channel.type == VIDEO_TYPE_TV) {
type = "TV";
} else if (v4l1_channel.type == VIDEO_TYPE_CAMERA) {
type = "CAMERA";
}
if (v) fprintf(stderr, " channel[%d]: %s\ttuners: %d norm: %d type: %d %s\n",
i, v4l1_channel.name, v4l1_channel.tuners, v4l1_channel.norm,
v4l1_channel.type, type);
}
memset(&v4l1_tuner, 0, sizeof(v4l1_tuner));
if (ioctl(fd, VIDIOCGTUNER, &v4l1_tuner) != -1) {
char *mode = "unknown";
if (v4l1_tuner.mode == VIDEO_MODE_PAL) {
mode = "PAL";
} else if (v4l1_tuner.mode == VIDEO_MODE_NTSC) {
mode = "NTSC";
} else if (v4l1_tuner.mode == VIDEO_MODE_SECAM) {
mode = "SECAM";
} else if (v4l1_tuner.mode == VIDEO_MODE_AUTO) {
mode = "AUTO";
}
if (v) fprintf(stderr, " tuner[%d]: %s\tflags: 0x%x mode: %s\n",
v4l1_tuner.tuner, v4l1_tuner.name, v4l1_tuner.flags, mode);
}
if (ioctl(fd, VIDIOCGPICT, &v4l1_picture) == -1) {
perror("ioctl VIDIOCGCHAN");
return 0;
}
if (v) fprintf(stderr, "v4l-1 picture:\n");
if (v) fprintf(stderr, " brightness: %d\n", v4l1_picture.brightness);
if (v) fprintf(stderr, " hue: %d\n", v4l1_picture.hue);
if (v) fprintf(stderr, " colour: %d\n", v4l1_picture.colour);
if (v) fprintf(stderr, " contrast: %d\n", v4l1_picture.contrast);
if (v) fprintf(stderr, " whiteness: %d\n", v4l1_picture.whiteness);
if (v) fprintf(stderr, " depth: %d\n", v4l1_picture.depth);
if (v) fprintf(stderr, " palette: %d %s\n", v4l1_picture.palette,
v4l1_lu_palette(v4l1_picture.palette));
if (ioctl(fd, VIDIOCGWIN, &v4l1_window) == -1) {
perror("ioctl VIDIOCGWIN");
if (v) fprintf(stderr, "\n");
return 0;
}
if (v) fprintf(stderr, "v4l-1 window:\n");
if (v) fprintf(stderr, " x: %d\n", v4l1_window.x);
if (v) fprintf(stderr, " y: %d\n", v4l1_window.y);
if (v) fprintf(stderr, " width: %d\n", v4l1_window.width);
if (v) fprintf(stderr, " height: %d\n", v4l1_window.height);
if (v) fprintf(stderr, " chromakey: %d\n", v4l1_window.chromakey);
if (v) fprintf(stderr, "\n");
return 1;
#else
return 0;
#endif /* V4L_OK */
}
static int v4l2_query(int fd, int v) {
#if defined(V4L_OK) && HAVE_V4L2
unsigned int i;
memset(&v4l2_capability, 0, sizeof(v4l2_capability));
memset(&v4l2_input, 0, sizeof(v4l2_input));
memset(&v4l2_tuner, 0, sizeof(v4l2_tuner));
memset(&v4l2_fmtdesc, 0, sizeof(v4l2_fmtdesc));
memset(&v4l2_format, 0, sizeof(v4l2_format));
if (v) fprintf(stderr, "\nV4L_2 query:\n");
#ifdef VIDIOC_QUERYCAP
if (ioctl(fd, VIDIOC_QUERYCAP, &v4l2_capability) == -1) {
perror("ioctl VIDIOC_QUERYCAP");
if (v) fprintf(stderr, "\n");
return 0;
}
#else
return 0;
#endif
if (v) fprintf(stderr, "v4l-2 capability:\n");
if (v) fprintf(stderr, " driver: %s\n", v4l2_capability.driver);
if (v) fprintf(stderr, " card: %s\n", v4l2_capability.card);
if (v) fprintf(stderr, " bus_info: %s\n", v4l2_capability.bus_info);
if (v) fprintf(stderr, " version: %d\n", v4l2_capability.version);
if (v) fprintf(stderr, " capabilities: %u\n", v4l2_capability.capabilities);
for (i=0; ; i++) {
memset(&v4l2_input, 0, sizeof(v4l2_input));
v4l2_input.index = i;
if (ioctl(fd, VIDIOC_ENUMINPUT, &v4l2_input) == -1) {
break;
}
if (v) fprintf(stderr, " input[%d]: %s\ttype: %d tuner: %d\n",
i, v4l2_input.name, v4l2_input.type, v4l2_input.tuner);
}
if (v4l2_capability.capabilities & V4L2_CAP_TUNER) {
for (i=0; ; i++) {
memset(&v4l2_tuner, 0, sizeof(v4l2_tuner));
v4l2_tuner.index = i;
if (ioctl(fd, VIDIOC_G_TUNER, &v4l2_tuner) == -1) {
break;
}
if (v) fprintf(stderr, " tuner[%d]: %s\ttype: %d\n",
i, v4l2_tuner.name, v4l2_tuner.type);
}
}
if (v4l2_capability.capabilities & V4L2_CAP_VIDEO_CAPTURE) {
for (i=0; ; i++) {
memset(&v4l2_fmtdesc, 0, sizeof(v4l2_fmtdesc));
v4l2_fmtdesc.index = i;
v4l2_fmtdesc.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (ioctl(fd, VIDIOC_ENUM_FMT, &v4l2_fmtdesc) == -1) {
break;
}
if (v) fprintf(stderr, " fmtdesc[%d]: %s\ttype: %d"
" pixelformat: %d\n",
i, v4l2_fmtdesc.description, v4l2_fmtdesc.type,
v4l2_fmtdesc.pixelformat);
}
v4l2_format.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (ioctl(fd, VIDIOC_G_FMT, &v4l2_format) == -1) {
perror("ioctl VIDIOC_G_FMT");
} else {
if (v) fprintf(stderr, " width: %d\n", v4l2_format.fmt.pix.width);
if (v) fprintf(stderr, " height: %d\n", v4l2_format.fmt.pix.height);
if (v) fprintf(stderr, " format: %u %s\n",
v4l2_format.fmt.pix.pixelformat,
v4l2_lu_palette(v4l2_format.fmt.pix.pixelformat));
}
}
return 1;
#else
return 0;
#endif /* V4L_OK && HAVE_V4L2 */
}
static int open_dev(char *dev) {
int dfd = -1;
if (! dev) {
return dfd;
}
dfd = open(dev, O_RDWR);
if (dfd < 0) {
rfbLog("failed to rawfb file: %s O_RDWR\n", dev);
rfbLogPerror("open");
dfd = open(dev, O_RDONLY);
}
if (dfd < 0) {
rfbLog("failed to rawfb file: %s\n", dev);
rfbLog("failed to rawfb file: %s O_RDONLY\n", dev);
rfbLogPerror("open");
}
return dfd;
}
static char *guess_via_v4l(char *dev, int *fd) {
#ifdef V4L_OK
int dfd;
if (*fd < 0) {
dfd = open_dev(dev);
*fd = dfd;
}
dfd = *fd;
if (dfd < 0) {
return NULL;
}
if (v4l1_cap < 0) {
v4l1_cap = v4l1_query(dfd, 1);
}
if (v4l2_cap < 0) {
v4l2_cap = v4l2_query(dfd, 1);
}
if (v4l2_cap) {
#if HAVE_V4L2
int g_w = v4l2_format.fmt.pix.width;
int g_h = v4l2_format.fmt.pix.height;
int g_d = 0, g_rev;
if (v4l2_format.fmt.pix.pixelformat) {
char *str = v4l2_lu_palette(v4l2_format.fmt.pix.pixelformat);
if (strcmp(str, "unknown")) {
v4l2_lu_palette_str(str, &g_d, &g_rev);
}
}
if (g_w > 0 && g_h > 0 && g_d > 0) {
char *atparms = (char *) malloc(200);
char *pal = v4l2_lu_palette(v4l2_format.fmt.pix.pixelformat);
sprintf(atparms, "%dx%dx%d", g_w, g_h, g_d);
if (strstr(pal, "RGB555")) {
strcat(atparms, ":7c00/3e0/1f");
}
*fd = dfd;
return atparms;
}
#endif
}
if (v4l1_cap) {
int g_w = v4l1_window.width;
int g_h = v4l1_window.height;
int g_d = v4l1_picture.depth;
int g_rev;
if (g_d == 0) {
char *str = v4l1_lu_palette(v4l1_picture.palette);
if (strcmp(str, "unknown")) {
v4l1_lu_palette_str(str, &g_d, &g_rev);
}
}
if (0) fprintf(stderr, "v4l1: %d %d %d\n", g_w, g_h, g_d);
if (g_w > 0 && g_h > 0 && g_d > 0) {
char *atparms = (char *) malloc(200);
char *pal = v4l1_lu_palette(v4l1_picture.palette);
fprintf(stderr, "palette: %s\n", pal);
sprintf(atparms, "%dx%dx%d", g_w, g_h, g_d);
if (strstr(pal, "RGB555")) {
strcat(atparms, ":7c00/3e0/1f");
}
*fd = dfd;
return atparms;
}
}
/* failure */
close(dfd);
return NULL;
#else
return NULL;
#endif
}
static char *guess_via_v4l_info(char *dev, int *fd) {
char *atparms, *cmd;
char line[1024], tmp[] = "/tmp/x11vnc-tmp.XXXXXX";
FILE *out;
int tmp_fd, len, rc, curr = 0;
int g_w = 0, g_h = 0, g_b = 0, mask_rev = 0;
char *g_fmt = NULL;
if (*fd) {}
/* v4l-info */
if (no_external_cmds) {
rfbLog("guess_via_v4l_info: cannot run external "
"command: v4l-info\n");
return NULL;
}
if (strchr(dev, '\'')) {
rfbLog("guess_via_v4l_info: bad dev string: %s\n", dev);
return NULL;
}
tmp_fd = mkstemp(tmp);
if (tmp_fd < 0) {
return NULL;
}
len = strlen("v4l-info")+1+1+strlen(dev)+1+1+1+1+strlen(tmp)+1;
cmd = (char *) malloc(len);
rfbLog("guess_via_v4l_info running: v4l-info '%s'\n", dev);
sprintf(cmd, "v4l-info '%s' > %s", dev, tmp);
close(tmp_fd);
rc = system(cmd);
if (rc != 0) {
unlink(tmp);
return NULL;
}
out = fopen(tmp, "r");
if (out == NULL) {
unlink(tmp);
return NULL;
}
curr = 0;
while (fgets(line, 1024, out) != NULL) {
char *lb = lblanks(line);
if (strstr(line, "video capture") == line) {
curr = C_VIDEO_CAPTURE;
} else if (strstr(line, "picture") == line) {
curr = C_PICTURE;
} else if (strstr(line, "window") == line) {
curr = C_WINDOW;
}
if (0) fprintf(stderr, "lb: %s", lb);
if (curr == C_VIDEO_CAPTURE) {
if (strstr(lb, "pixelformat ") == lb) {
fprintf(stderr, "%s", line);
} else if (strstr(lb, "fmt.pix.width ") == lb) {
if (! g_w) {
g_w = colon_n(line);
}
} else if (strstr(lb, "fmt.pix.height ") == lb) {
if (! g_h) {
g_h = colon_n(line);
}
} else if (strstr(lb, "fmt.pix.pixelformat ") == lb) {
if (! g_fmt) {
g_fmt = colon_tag(line);
}
}
} else if (curr == C_PICTURE) {
if (strstr(lb, "depth ") == lb) {
if (! g_b) {
g_b = colon_n(line);
}
} else if (strstr(lb, "palette ") == lb) {
if (! g_fmt) {
g_fmt = colon_str(line);
}
}
} else if (curr == C_WINDOW) {
if (strstr(lb, "width ") == lb) {
if (! g_w) {
g_w = colon_n(line);
}
} else if (strstr(lb, "height ") == lb) {
if (! g_h) {
g_h = colon_n(line);
}
}
}
}
fclose(out);
unlink(tmp);
if (! g_w) {
rfbLog("could not guess device width.\n");
return NULL;
}
rfbLog("guessed device width: %d\n", g_w);
if (! g_h) {
rfbLog("could not guess device height.\n");
return NULL;
}
rfbLog("guessed device height: %d\n", g_h);
if (g_fmt) {
rfbLog("guessed pixel fmt: %s\n", g_fmt);
lookup_rgb(g_fmt, &g_b, &mask_rev);
}
if (! g_b) {
rfbLog("could not guess device bpp.\n");
return NULL;
}
rfbLog("guessed device bpp: %d\n", g_b);
atparms = (char *) malloc(100);
sprintf(atparms, "%dx%dx%d", g_w, g_h, g_b);
return atparms;
}
static void parse_str(char *str, char **dev, char **settings, char **atparms) {
char *p, *q, *s = NULL;
q = strchr(str, '@');
if (q && strlen(q+1) > 0) {
/* ends @WxHXB... */
*atparms = strdup(q+1);
*q = '\0';
}
q = strchr(str, ':');
if (q && strlen(q+1) > 0) {
/* ends :br=N,w=N... */
s = strdup(q+1);
*settings = s;
*q = '\0';
}
if (s != NULL) {
/* see if fn=filename */
q = strstr(s, "fn=");
if (q) {
q += strlen("fn=");
p = strchr(q, ',');
if (p) {
*p = '\0';
*dev = strdup(q);
*p = ',';
} else {
*dev = strdup(q);
}
rfbLog("set video device to: '%s'\n", *dev);
}
}
if (*dev == NULL) {
s = (char *) malloc(strlen("/dev/") + strlen(str) + 1);
if (strstr(str, "/dev/") == str) {
sprintf(s, "%s", str);
} else {
sprintf(s, "/dev/%s", str);
}
*dev = s;
rfbLog("set video device to: '%s'\n", *dev);
}
}
char *v4l_guess(char *str, int *fd) {
char *dev = NULL, *settings = NULL, *atparms = NULL;
parse_str(str, &dev, &settings, &atparms);
init_freqs();
v4l1_cap = -1;
v4l2_cap = -1;
*fd = -1;
if (dev == NULL) {
rfbLog("v4l_guess: could not find device in: %s\n", str);
return NULL;
}
if (settings) {
apply_settings(dev, settings, fd);
}
if (atparms) {
/* use user's parameters. */
char *t = (char *) malloc(5+strlen(dev)+1+strlen(atparms)+1);
sprintf(t, "snap:%s@%s", dev, atparms);
return t;
}
/* try to query the device for parameters. */
atparms = guess_via_v4l(dev, fd);
if (atparms == NULL) {
/* try again with v4l-info(1) */
atparms = guess_via_v4l_info(dev, fd);
}
if (atparms == NULL) {
/* bad news */
if (*fd >= 0) {
close(*fd);
}
*fd = -1;
return NULL;
} else {
char *t = (char *) malloc(5+strlen(dev)+1+strlen(atparms)+1);
sprintf(t, "snap:%s@%s", dev, atparms);
return t;
}
}
static unsigned long lookup_freqtab(int sta) {
if (sta >= CHANNEL_MAX) {
return (unsigned long) sta;
}
if (sta < 0 || sta >= CHANNEL_MAX) {
return 0;
}
return custom_freq[sta];
}
static unsigned long lookup_freq(int sta) {
if (freqtab) {
return lookup_freqtab(sta);
}
if (sta >= CHANNEL_MAX) {
return (unsigned long) sta;
}
if (sta < 1 || sta > 125) {
return 0;
}
return ntsc_cable[sta];
}
static int lookup_station(unsigned long freq) {
int i;
if (freqtab) {
for (i = 0; i < CHANNEL_MAX; i++) {
if (0) fprintf(stderr, "%lu %lu\n", freq, custom_freq[i]);
if (freq == custom_freq[i]) {
return i;
}
}
} else {
for (i = 1; i <= 125; i++) {
if (freq == ntsc_cable[i]) {
return i;
}
}
}
return 0;
}
static void init_freqtab(char *file) {
char *p, *q, *dir, *file2;
char line[1024], inc[1024];
char *text, *str;
int size = 0, maxn, extra, currn;
FILE *in1, *in2;
static int v = 1;
if (quiet) {
v = 0;
}
/* YUCK */
dir = strdup(file);
q = strrchr(dir, '/');
if (q) {
*(q+1) = '\0';
} else {
free(dir);
dir = strdup("./");
}
file2 = (char *) malloc(strlen(dir) + 1024 + 1);
in1 = fopen(file, "r");
if (in1 == NULL) {
rfbLog("error opening freqtab: %s\n", file);
clean_up_exit(1);
}
if (v) fprintf(stderr, "loading frequencies from: %s\n", file);
while (fgets(line, 1024, in1) != NULL) {
char *lb;
char line2[1024];
size += strlen(line);
lb = lblanks(line);
if (strstr(lb, "#include") == lb &&
sscanf(lb, "#include %s", inc) == 1) {
char *q, *s = inc;
if (s[0] == '"') {
s++;
}
q = strrchr(s, '"');
if (q) {
*q = '\0';
}
sprintf(file2, "%s%s", dir, s);
in2 = fopen(file2, "r");
if (in2 == NULL) {
rfbLog("error opening freqtab include: %s %s\n", line, file2);
clean_up_exit(1);
}
if (v) fprintf(stderr, "loading frequencies from: %s\n", file2);
while (fgets(line2, 1024, in2) != NULL) {
size += strlen(line2);
}
fclose(in2);
}
}
fclose(in1);
size = 4*(size + 10000);
text = (char *) malloc(size);
text[0] = '\0';
in1 = fopen(file, "r");
if (in1 == NULL) {
rfbLog("error opening freqtab: %s\n", file);
clean_up_exit(1);
}
while (fgets(line, 1024, in1) != NULL) {
char *lb;
char line2[1024];
lb = lblanks(line);
if (lb[0] == '[') {
strcat(text, lb);
} else if (strstr(lb, "freq")) {
strcat(text, lb);
} else if (strstr(lb, "#include") == lb &&
sscanf(lb, "#include %s", inc) == 1) {
char *lb2;
char *q, *s = inc;
if (s[0] == '"') {
s++;
}
q = strrchr(s, '"');
if (q) {
*q = '\0';
}
sprintf(file2, "%s%s", dir, s);
in2 = fopen(file2, "r");
if (in2 == NULL) {
rfbLog("error opening freqtab include: %s %s\n", line, file2);
clean_up_exit(1);
}
while (fgets(line2, 1024, in2) != NULL) {
lb2 = lblanks(line2);
if (lb2[0] == '[') {
strcat(text, lb2);
} else if (strstr(lb2, "freq")) {
strcat(text, lb2);
}
if ((int) strlen(text) > size/2) {
break;
}
}
fclose(in2);
}
if ((int) strlen(text) > size/2) {
break;
}
}
fclose(in1);
if (0) fprintf(stderr, "%s", text);
str = strdup(text);
p = strtok(str, "\n");
maxn = -1;
extra = 0;
while (p) {
if (p[0] == '[') {
int ok = 1;
q = p+1;
while (*q) {
if (*q == ']') {
break;
}
if (! isdigit(*q)) {
if (0) fprintf(stderr, "extra: %s\n", p);
extra++;
ok = 0;
break;
}
q++;
}
if (ok) {
int n;
if (sscanf(p, "[%d]", &n) == 1) {
if (n > maxn) {
maxn = n;
}
if (0) fprintf(stderr, "maxn: %d %d\n", maxn, n);
}
}
}
p = strtok(NULL, "\n");
}
free(str);
str = strdup(text);
p = strtok(str, "\n");
extra = 0;
currn = 0;
if (v) fprintf(stderr, "\nname\tstation\tfreq (KHz)\n");
while (p) {
if (p[0] == '[') {
int ok = 1;
strncpy(line, p, 100);
q = p+1;
while (*q) {
if (*q == ']') {
break;
}
if (! isdigit(*q)) {
extra++;
currn = maxn + extra;
ok = 0;
break;
}
q++;
}
if (ok) {
int n;
if (sscanf(p, "[%d]", &n) == 1) {
currn = n;
}
}
}
if (strstr(p, "freq") && (q = strchr(p, '=')) != NULL) {
int n;
q = lblanks(q+1);
if (sscanf(q, "%d", &n) == 1) {
if (currn >= 0 && currn < CHANNEL_MAX) {
if (v) fprintf(stderr, "%s\t%d\t%d\n", line, currn, n);
custom_freq[currn] = (unsigned long) n;
if (last_freq == 0) {
last_freq = custom_freq[currn];
}
}
}
}
p = strtok(NULL, "\n");
}
if (v) fprintf(stderr, "\n");
v = 0;
free(str);
free(text);
free(dir);
free(file2);
}
static void init_freqs(void) {
int i;
for (i=0; i<CHANNEL_MAX; i++) {
ntsc_cable[i] = 0;
custom_freq[i] = 0;
}
init_ntsc_cable();
last_freq = ntsc_cable[1];
if (freqtab) {
init_freqtab(freqtab);
}
}
static void init_ntsc_cable(void) {
ntsc_cable[1] = 73250;
ntsc_cable[2] = 55250;
ntsc_cable[3] = 61250;
ntsc_cable[4] = 67250;
ntsc_cable[5] = 77250;
ntsc_cable[6] = 83250;
ntsc_cable[7] = 175250;
ntsc_cable[8] = 181250;
ntsc_cable[9] = 187250;
ntsc_cable[10] = 193250;
ntsc_cable[11] = 199250;
ntsc_cable[12] = 205250;
ntsc_cable[13] = 211250;
ntsc_cable[14] = 121250;
ntsc_cable[15] = 127250;
ntsc_cable[16] = 133250;
ntsc_cable[17] = 139250;
ntsc_cable[18] = 145250;
ntsc_cable[19] = 151250;
ntsc_cable[20] = 157250;
ntsc_cable[21] = 163250;
ntsc_cable[22] = 169250;
ntsc_cable[23] = 217250;
ntsc_cable[24] = 223250;
ntsc_cable[25] = 229250;
ntsc_cable[26] = 235250;
ntsc_cable[27] = 241250;
ntsc_cable[28] = 247250;
ntsc_cable[29] = 253250;
ntsc_cable[30] = 259250;
ntsc_cable[31] = 265250;
ntsc_cable[32] = 271250;
ntsc_cable[33] = 277250;
ntsc_cable[34] = 283250;
ntsc_cable[35] = 289250;
ntsc_cable[36] = 295250;
ntsc_cable[37] = 301250;
ntsc_cable[38] = 307250;
ntsc_cable[39] = 313250;
ntsc_cable[40] = 319250;
ntsc_cable[41] = 325250;
ntsc_cable[42] = 331250;
ntsc_cable[43] = 337250;
ntsc_cable[44] = 343250;
ntsc_cable[45] = 349250;
ntsc_cable[46] = 355250;
ntsc_cable[47] = 361250;
ntsc_cable[48] = 367250;
ntsc_cable[49] = 373250;
ntsc_cable[50] = 379250;
ntsc_cable[51] = 385250;
ntsc_cable[52] = 391250;
ntsc_cable[53] = 397250;
ntsc_cable[54] = 403250;
ntsc_cable[55] = 409250;
ntsc_cable[56] = 415250;
ntsc_cable[57] = 421250;
ntsc_cable[58] = 427250;
ntsc_cable[59] = 433250;
ntsc_cable[60] = 439250;
ntsc_cable[61] = 445250;
ntsc_cable[62] = 451250;
ntsc_cable[63] = 457250;
ntsc_cable[64] = 463250;
ntsc_cable[65] = 469250;
ntsc_cable[66] = 475250;
ntsc_cable[67] = 481250;
ntsc_cable[68] = 487250;
ntsc_cable[69] = 493250;
ntsc_cable[70] = 499250;
ntsc_cable[71] = 505250;
ntsc_cable[72] = 511250;
ntsc_cable[73] = 517250;
ntsc_cable[74] = 523250;
ntsc_cable[75] = 529250;
ntsc_cable[76] = 535250;
ntsc_cable[77] = 541250;
ntsc_cable[78] = 547250;
ntsc_cable[79] = 553250;
ntsc_cable[80] = 559250;
ntsc_cable[81] = 565250;
ntsc_cable[82] = 571250;
ntsc_cable[83] = 577250;
ntsc_cable[84] = 583250;
ntsc_cable[85] = 589250;
ntsc_cable[86] = 595250;
ntsc_cable[87] = 601250;
ntsc_cable[88] = 607250;
ntsc_cable[89] = 613250;
ntsc_cable[90] = 619250;
ntsc_cable[91] = 625250;
ntsc_cable[92] = 631250;
ntsc_cable[93] = 637250;
ntsc_cable[94] = 643250;
ntsc_cable[95] = 91250;
ntsc_cable[96] = 97250;
ntsc_cable[97] = 103250;
ntsc_cable[98] = 109250;
ntsc_cable[99] = 115250;
ntsc_cable[100] = 649250;
ntsc_cable[101] = 655250;
ntsc_cable[102] = 661250;
ntsc_cable[103] = 667250;
ntsc_cable[104] = 673250;
ntsc_cable[105] = 679250;
ntsc_cable[106] = 685250;
ntsc_cable[107] = 691250;
ntsc_cable[108] = 697250;
ntsc_cable[109] = 703250;
ntsc_cable[110] = 709250;
ntsc_cable[111] = 715250;
ntsc_cable[112] = 721250;
ntsc_cable[113] = 727250;
ntsc_cable[114] = 733250;
ntsc_cable[115] = 739250;
ntsc_cable[116] = 745250;
ntsc_cable[117] = 751250;
ntsc_cable[118] = 757250;
ntsc_cable[119] = 763250;
ntsc_cable[120] = 769250;
ntsc_cable[121] = 775250;
ntsc_cable[122] = 781250;
ntsc_cable[123] = 787250;
ntsc_cable[124] = 793250;
ntsc_cable[125] = 799250;
}
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