diff options
Diffstat (limited to 'gst/vbidec/vbidata.c')
| -rw-r--r-- | gst/vbidec/vbidata.c | 1201 |
1 files changed, 0 insertions, 1201 deletions
diff --git a/gst/vbidec/vbidata.c b/gst/vbidec/vbidata.c deleted file mode 100644 index 0dc013ad6..000000000 --- a/gst/vbidec/vbidata.c +++ /dev/null @@ -1,1201 +0,0 @@ -/* - * Copyright (c) 2002 Billy Biggs <vektor@dumbterm.net>. - * Copyright (c) 2002 Doug Bell <drbell@users.sourceforge.net> - * - * CC code from Nathan Laredo's ccdecode, used under the GPL. - * Lots of 'hey what does this mean?' code from - * Billy Biggs and Doug Bell, like all the crap with - * XDS and stuff. Some help from Zapping's vbi library by - * Michael H. Schimek and others, released under the GPL. - * - * Modified and adapted to GStreamer by - * David I. Lehn <dlehn@users.sourceforge.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <string.h> -#include <fcntl.h> -#include <ctype.h> -#include <unistd.h> -#include <errno.h> -#include "vbidata.h" -#include "vbiscreen.h" -/*#include "tvtimeosd.h"*/ - -#define DO_LINE 11 -static int pll = 0; - -struct vbidata_s -{ - int fd; - vbiscreen_t *vs; - /*tvtime_osd_t *osd; */ - char buf[65536]; - int wanttop; - int wanttext; - - unsigned int colour; - int row, ital; - int indent, ul; - int chan; - - unsigned int current_colour; - int current_row, current_ital; - int current_indent, current_ul; - int current_chan; - int current_istext; - - int initialised; - int enabled; - int lastcode; - int lastcount; - int verbose; - - /* XDS data */ - char xds_packet[2048]; - int xds_cursor; - - char *program_name; - char *network_name; - char *call_letters; - const char *rating; - const char *program_type; - int start_day; - int start_month; - int start_min; - int start_hour; - int length_hour; - int length_min; - int length_elapsed_hour; - int length_elapsed_min; - int length_elapsed_sec; - char *program_desc[8]; -}; - - -/* this is NOT exactly right */ -//static char ccode[] = " !\"#$%&'()\0341+,-./0123456789:;<=>?@" -static const char ccode[] = " !\"#$%&'()a+,-./0123456789:;<=>?@" - "ABCDEFGHIJKLMNOPQRSTUVWXYZ" -// "abcdefghijklmnopqrstuvwxyz" -// "[\0351]\0355\0363\0372abcdefghijklmnopqr" - "[e]iouabcdefghijklmnopqr" -// "stuvwxyz\0347\0367\0245\0244\0240"; - "stuvwxyzcoNn "; -static const char wccode[] = "\0256\0260\0275\0277T\0242\0243#\0340 " - "\0350\0354\0362\0371"; - -static const char extcode1[] = "\0301\0311\0323\0332\0334\0374" - "`\0241*'-\0251S*\"\"\0300\0302" - "\0307\0310\0312\0313\0353\0316\0317\0357" "\0324\0331\0371\0333\0253\0273"; - -static const char extcode2[] = "\0303\0343\0315\0314\0354\0322\0362\0325" - "{}\\^_|~\0304\0344\0326\0366\0337\0245\0244|" "\0305\0345\0330\0370++++"; - -int -parityok (int n) -{ /* check parity for 2 bytes packed in n */ - int j, k; - - for (k = 0, j = 0; j < 7; j++) - if (n & (1 << j)) - k++; - if ((k & 1) && (n & 0x80)) - return 0; - for (k = 0, j = 8; j < 15; j++) - if (n & (1 << j)) - k++; - if ((k & 1) && (n & 0x8000)) - return 0; - return 1; -} - -int -decodebit (unsigned char *data, int threshold) -{ - return ((data[0] + data[1] + data[2] + data[3] + data[4] + data[5] + - data[6] + data[7] + data[8] + data[9] + data[10] + data[11] + - data[12] + data[13] + data[14] + data[15] + data[16] + data[17] + - data[18] + data[19] + data[20] + data[21] + data[22] + data[23] + - data[24] + data[25] + data[26] + data[27] + data[28] + data[29] + - data[30] + data[31]) >> 5 > threshold); -} - - -int -ccdecode (unsigned char *vbiline) -{ - int max = 0, maxval = 0, minval = 255, i = 0, clk = 0, tmp = 0; - int sample, packedbits = 0; - - for (i = 0; i < 250; i++) { - sample = vbiline[i]; - if (sample - maxval > 10) - (maxval = sample, max = i); - if (sample < minval) - minval = sample; - if (maxval - sample > 40) - break; - } - sample = ((maxval + minval) >> 1); - pll = max; - - /* found clock lead-in, double-check start */ -#ifndef PAL_DECODE - i = max + 478; -#else - i = max + 538; -#endif - if (!decodebit (&vbiline[i], sample)) - return 0; -#ifndef PAL_DECODE - tmp = i + 57; /* tmp = data bit zero */ -#else - tmp = i + 71; -#endif - for (i = 0; i < 16; i++) { -#ifndef PAL_DECODE - clk = tmp + i * 57; -#else - clk = tmp + i * 71; -#endif - if (decodebit (&vbiline[clk], sample)) { - packedbits |= 1 << i; - } - } - if (parityok (packedbits)) - return packedbits; - return 0; -} /* ccdecode */ - -const char *movies[] = { "N/A", "G", "PG", "PG-13", "R", - "NC-17", "X", "Not Rated" -}; - -const char *usa_tv[] = { "Not Rated", "TV-Y", "TV-Y7", "TV-G", - "TV-PG", "TV-14", "TV-MA", "Not Rated" -}; - -const char *cane_tv[] = { "Exempt", "C", "C8+", "G", "PG", - "14+", "18+", "Reserved" -}; - -const char *canf_tv[] = { "Exempt", "G", "8 ans +", "13 ans +", - "16 ans +", "18 ans +", "Reserved", - "Reserved" -}; - -const char *months[] = { 0, "Jan", "Feb", "Mar", "Apr", "May", - "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" -}; - -static const char *eia608_program_type[96] = { - "education", "entertainment", "movie", "news", "religious", "sports", - "other", "action", "advertisement", "animated", "anthology", - "automobile", "awards", "baseball", "basketball", "bulletin", "business", - "classical", "college", "combat", "comedy", "commentary", "concert", - "consumer", "contemporary", "crime", "dance", "documentary", "drama", - "elementary", "erotica", "exercise", "fantasy", "farm", "fashion", - "fiction", "food", "football", "foreign", "fund raiser", "game/quiz", - "garden", "golf", "government", "health", "high school", "history", - "hobby", "hockey", "home", "horror", "information", "instruction", - "international", "interview", "language", "legal", "live", "local", - "math", "medical", "meeting", "military", "miniseries", "music", "mystery", - "national", "nature", "police", "politics", "premiere", "prerecorded", - "product", "professional", "public", "racing", "reading", "repair", "repeat", - "review", "romance", "science", "series", "service", "shopping", - "soap opera", "special", "suspense", "talk", "technical", "tennis", - "travel", "variety", "video", "weather", "western" -}; - - -static void -parse_xds_packet (vbidata_t * vbi, char *packet, int length) -{ - int sum = 0; - int i; - - if (!vbi) - return; - - /* Check the checksum for validity of the packet. */ - for (i = 0; i < length - 1; i++) { - sum += packet[i]; - } - if ((((~sum) & 0x7f) + 1) != packet[length - 1]) { - return; - } - - /* Stick a null at the end, and cut off the last two characters. */ - packet[length - 2] = '\0'; - length -= 2; - - if (packet[0] == 0x01 && packet[1] == 0x03) { - if (vbi->program_name && !strcmp (vbi->program_name, packet + 2)) { - return; - } - if (vbi->verbose) - fprintf (stderr, "Current program name: '%s'\n", packet + 2); - if (vbi->program_name) - free (vbi->program_name); - vbi->program_name = strdup (packet + 2); - /*tvtime_osd_set_show_name( vbi->osd, vbi->program_name ); */ - } else if (packet[0] == 0x03 && packet[1] == 0x03) { - if (vbi->verbose) - fprintf (stderr, "Future program name: '%s'\n", packet + 2); - } else if (packet[0] == 0x05 && packet[1] == 0x01) { - if (vbi->network_name && !strcmp (vbi->network_name, packet + 2)) { - return; - } - - if (vbi->verbose) - fprintf (stderr, "Network name: '%s'\n", packet + 2); - if (vbi->network_name) - free (vbi->network_name); - vbi->network_name = strdup (packet + 2); - /*tvtime_osd_set_network_name( vbi->osd, vbi->network_name ); */ - } else if (packet[0] == 0x01 && packet[1] == 0x05) { - int movie_rating = packet[2] & 7; - int scheme = (packet[2] & 56) >> 3; - int tv_rating = packet[3] & 7; - int VSL = packet[3] & 56; - const char *str; - - switch (VSL | scheme) { - case 3: /* Canadian English TV */ - str = cane_tv[tv_rating]; - break; - case 7: /* Canadian French TV */ - str = canf_tv[tv_rating]; - break; - case 19: /* Reserved */ - case 31: - str = ""; - break; - default: - if (((VSL | scheme) & 3) == 1) { - /* USA TV */ - str = usa_tv[tv_rating]; - } else { - /* MPAA Movie Rating */ - str = movies[movie_rating]; - } - break; - } - - if (vbi->rating && !strcmp (vbi->rating, str)) { - return; - } - - if (vbi->verbose) - fprintf (stderr, "Show rating: %s", str); - if (((VSL | scheme) & 3) == 1 || ((VSL | scheme) & 3) == 0) { - /* show VSLD for the americans */ - if ((VSL | scheme) & 32) { - if (vbi->verbose) - fprintf (stderr, " V"); - } - if ((VSL | scheme) & 16) { - if (vbi->verbose) - fprintf (stderr, " S"); - } - if ((VSL | scheme) & 8) { - if (vbi->verbose) - fprintf (stderr, " L"); - } - if ((VSL | scheme) & 4) { - if (vbi->verbose) - fprintf (stderr, " D"); - } - } - if (vbi->verbose) - fprintf (stderr, "\n"); - vbi->rating = str; - /*tvtime_osd_set_show_rating( vbi->osd, vbi->rating ); */ - } else if (packet[0] == 0x05 && packet[1] == 0x02) { - if (vbi->call_letters && !strcmp (vbi->call_letters, packet + 2)) { - return; - } - - if (vbi->verbose) - fprintf (stderr, "Network call letters: '%s'\n", packet + 2); - if (vbi->call_letters) - free (vbi->call_letters); - vbi->call_letters = strdup (packet + 2); - /*tvtime_osd_set_network_call( vbi->osd, vbi->call_letters ); */ - } else if (packet[0] == 0x01 && packet[1] == 0x01) { - int month = packet[5]; // & 15; - int day = packet[4]; // & 31; - int hour = packet[3]; // & 31; - int min = packet[2]; // & 63; - char str[33]; - - if (vbi->verbose) - fprintf (stderr, "Program Start: %02d %s, %02d:%02d\n", - day & 31, months[month & 15], hour & 31, min & 63); - // packet[ 3 ], packet[ 4 ], packet[ 5 ], packet[ 6 ] ); - //packet[ 5 ] & 31, packet[ 6 ], packet[ 4 ] & 31, packet[ 3 ] & 63 ); - vbi->start_month = month & 15; - vbi->start_day = day & 31; - vbi->start_hour = hour & 31; - vbi->start_min = hour & 63; - snprintf (str, 32, "%02d %s, %02d:%02d", - day & 31, months[month & 15], hour & 31, min & 63); - /*tvtime_osd_set_show_start( vbi->osd, str ); */ - } else if (packet[0] == 0x01 && packet[1] == 0x04) { - if (vbi->verbose) - fprintf (stderr, "Program type: "); - for (i = 0; i < length - 2; i++) { - int cur = packet[2 + i] - 0x20; - - if (cur >= 0 && cur < 96) { - if (vbi->verbose) - fprintf (stderr, "%s%s", i ? ", " : "", eia608_program_type[cur]); - /* this will cause us to keep only the last type we check */ - vbi->program_type = eia608_program_type[cur]; - } - } - if (vbi->verbose) - fprintf (stderr, "\n"); - } else if (packet[0] < 0x03 && packet[1] >= 0x10 && packet[1] <= 0x17) { - - if (vbi->program_desc[packet[1] & 0xf] && - !strcmp (vbi->program_desc[packet[1] & 0xf], packet + 2)) { - return; - } - - if (vbi->verbose) - fprintf (stderr, "Program Description: Line %d", packet[1] & 0xf); - if (vbi->verbose) - fprintf (stderr, "%s\n", packet + 2); - if (vbi->program_desc[packet[1] & 0xf]) - free (vbi->program_desc[packet[1] & 0xf]); - vbi->program_desc[packet[1] & 0xf] = strdup (packet + 2); - } else if (packet[0] == 0x01 && packet[1] == 0x02) { - char str[33]; - - str[0] = 0; - if (vbi->verbose) - fprintf (stderr, "Program Length: %02d:%02d", - packet[3] & 63, packet[2] & 63); - vbi->length_hour = packet[3] & 63; - vbi->length_min = packet[2] & 63; - snprintf (str, 32, "%02d:%02d", packet[3] & 63, packet[2] & 63); - if (length > 4) { - if (vbi->verbose) - fprintf (stderr, " Elapsed: %02d:%02d", packet[5] & 63, packet[4] & 63); - vbi->length_elapsed_hour = packet[5] & 63; - vbi->length_elapsed_min = packet[4] & 63; - snprintf (str, 32, "%02d:%02d/%02d:%02d", - packet[5] & 63, packet[4] & 63, packet[3] & 63, packet[2] & 63); - } else { - vbi->length_elapsed_hour = 0; - vbi->length_elapsed_min = 0; - } - - if (length > 6) { - if (vbi->verbose) - fprintf (stderr, ".%02d", packet[6] & 63); - vbi->length_elapsed_hour = packet[6] & 63; - snprintf (str, 32, "%02d:%02d.%02d/%02d:%02d", - packet[5] & 63, packet[4] & 63, packet[6] & 63, - packet[3] & 63, packet[2] & 63); - } else { - vbi->length_elapsed_hour = 0; - } - /*tvtime_osd_set_show_length( vbi->osd, str ); */ - if (vbi->verbose) - fprintf (stderr, "\n"); - } else if (packet[0] == 0x05 && packet[1] == 0x04) { - if (vbi->verbose) - fprintf (stderr, "Transmission Signal Identifier (TSID): 0x%04x\n", - packet[2] << 24 | packet[3] << 16 | packet[4] << 8 | packet[5]); - } else { - /* unknown */ - - if (vbi->verbose) - fprintf (stderr, "Unknown XDS packet, class "); - switch (packet[0]) { - case 0x1: - if (vbi->verbose) - fprintf (stderr, "CURRENT start\n"); - break; - case 0x2: - if (vbi->verbose) - fprintf (stderr, "CURRENT continue\n"); - break; - - case 0x3: - if (vbi->verbose) - fprintf (stderr, "FUTURE start\n"); - break; - case 0x4: - if (vbi->verbose) - fprintf (stderr, "FUTURE continue\n"); - break; - - case 0x5: - if (vbi->verbose) - fprintf (stderr, "CHANNEL start\n"); - break; - case 0x6: - if (vbi->verbose) - fprintf (stderr, "CHANNEL continue\n"); - break; - - case 0x7: - if (vbi->verbose) - fprintf (stderr, "MISC start\n"); - break; - case 0x8: - if (vbi->verbose) - fprintf (stderr, "MISC continue\n"); - break; - - case 0x9: - if (vbi->verbose) - fprintf (stderr, "PUB start\n"); - break; - case 0xa: - if (vbi->verbose) - fprintf (stderr, "PUB continue\n"); - break; - - case 0xb: - if (vbi->verbose) - fprintf (stderr, "RES start\n"); - break; - case 0xc: - if (vbi->verbose) - fprintf (stderr, "RES continue\n"); - break; - - case 0xd: - if (vbi->verbose) - fprintf (stderr, "UNDEF start\n"); - break; - case 0xe: - if (vbi->verbose) - fprintf (stderr, "UNDEF continue\n"); - break; - } - for (i = 0; i < length; i++) { - if (vbi->verbose) - fprintf (stderr, "0x%02x ", packet[i]); - } - if (vbi->verbose) - fprintf (stderr, "\n"); - } -} - -static int -xds_decode (vbidata_t * vbi, int b1, int b2) -{ - if (!vbi) - return 0; - if (vbi->xds_cursor > 2046) { - vbi->xds_cursor = 0; - } - - if (!vbi->xds_cursor && b1 > 0xf) { - return 0; - } - - - if (b1 < 0xf && (b1 & 0x2)) { - /* ignore the continue and thus 'support' continuation of - a single packet */ - return 1; - } else if (b1 < 0xf) { - /* kill old packet cause we got a new one */ - vbi->xds_cursor = 0; - } - - vbi->xds_packet[vbi->xds_cursor] = b1; - vbi->xds_packet[vbi->xds_cursor + 1] = b2; - vbi->xds_cursor += 2; - - if (b1 == 0xf) { - parse_xds_packet (vbi, vbi->xds_packet, vbi->xds_cursor); - vbi->xds_cursor = 0; - } - - return 1; -} - -#define NOMODE 0 - -#define CC1 1 -#define CC2 2 -#define T1 3 -#define T2 4 - -#define CC3 1 -#define CC4 2 -#define T3 3 -#define T4 4 - -const unsigned int colours[] = { - 0xFFFFFFFFU, /* white */ - 0xFF00FF00U, /* green */ - 0xFF0000FFU, /* blue */ - 0xFF00C7C7U, /* cyan */ - 0xFFFF0000U, /* red */ - 0xFFFFFF00U, /* yellow */ - 0xFFC700C7U /* magenta */ -}; - -const int rows[] = { - 11, - 0, /* unused */ - 1, - 2, - 3, - 4, - 12, - 13, - 14, - 15, - 5, - 6, - 7, - 8, - 9, - 10 -}; - -#define ROLL_2 6 -#define ROLL_3 7 -#define ROLL_4 8 -#define POP_UP 9 -#define PAINT_ON 10 - - -static int -Process16b (vbidata_t * vbi, int bottom, int w1) -{ - int b1, b2; - - b1 = w1 & 0x7f; - b2 = (w1 >> 8) & 0x7f; - - if (!b1 && !b2) { - return 0; - } - - if (vbi->enabled && b1 >= 0x10 && b1 <= 0x1F && b2 >= 0x20 && b2 <= 0x7F) { - int code; - - if ((b2 & 64)) { - /* Preamble Code */ - /* This sets up colors and indenting */ - - if (!bottom && vbi->lastcode == ((b1 << 8) | b2)) { - vbi->lastcount = (vbi->lastcount + 1) % 2; - return 1; - } - - vbi->current_chan = (b1 & 8) >> 3; - if (!bottom == vbi->wanttop) { - if (vbi->chan != vbi->current_chan) - return 0; - } else - return 0; - - vbi->current_ital = (b2 & 1); - if (!(b2 & 16)) { - vbi->current_colour = colours[(b2 & 30) >> 1]; - vbi->current_indent = 0; - } else { - vbi->current_colour = 0xFFFFFFFFU; /* white */ - vbi->current_indent = 4 * ((b2 & 14) >> 1); - } - vbi->current_row = rows[((b1 & 7) << 1) | ((b2 & 32) >> 5)]; - vbi->current_ul = b2 & 1; - - if (vbi->verbose) - fprintf (stderr, "field: %d chan %d, ital %d, ul %d, colour 0x%x, " - "indent %d, row %d\n", bottom, vbi->current_chan, - vbi->current_ital, vbi->current_ul, vbi->current_colour, - vbi->current_indent, vbi->current_row); - - if (!bottom == vbi->wanttop && - vbi->current_chan == vbi->chan && - vbi->current_istext == vbi->wanttext) { - - vbi->indent = vbi->current_indent; - vbi->ital = vbi->current_ital; - vbi->colour = vbi->current_colour; - vbi->row = vbi->current_row; - vbi->current_istext = 0; - - vbiscreen_new_caption (vbi->vs, vbi->indent, vbi->ital, - vbi->colour, vbi->row); - - } - - vbi->lastcode = (b1 << 8) | b2; - vbi->lastcount = 0; - return 1; - } - - if ((b1 & 8) == 1) { - /* Midrow code */ - if (!vbi->initialised) - return 0; - - if (!bottom && vbi->lastcode == ((b1 << 8) | b2)) { - vbi->lastcount = (vbi->lastcount + 1) % 2; - return 1; - } - - if (vbi->verbose) - fprintf (stderr, "Midrow TODO: Add me.\n"); - - vbi->lastcode = (b1 << 8) | b2; - return 1; - } - - if ((b1 & 2) && !(b2 & 64)) { - if (!vbi->initialised) - return 0; - - if (!bottom && vbi->lastcode == ((b1 << 8) | b2)) { - vbi->lastcount = (vbi->lastcount + 1) % 2; - return 1; - } - - if (vbi->verbose) - fprintf (stderr, "Tab Offset: %d columns\n", b2 & 3); - if (vbi->wanttext && vbi->current_istext && - vbi->current_chan == vbi->chan && !bottom == vbi->wanttop) { - vbiscreen_tab (vbi->vs, b2 & 3); - } - vbi->lastcode = (b1 << 8) | b2; - return 1; - } - - switch ((code = b2 & 15)) { - case 0: /* POP-UP */ - case 5: /* ROLL UP 2 */ - case 6: /* ROLL UP 3 */ - case 7: /* ROLL UP 4 */ - case 9: /* PAINT-ON */ - case 10: /* TEXT */ - case 11: /* TEXT */ - vbi->initialised = 1; - if (!bottom && vbi->lastcode == ((b1 << 8) | b2)) { - /* This is the repeated Control Code */ - vbi->lastcount = (vbi->lastcount + 1) % 2; - return 1; - } - switch (code) { - case 0: /* POP-UP */ - if (!vbi->wanttext && vbi->current_chan == vbi->chan && - !bottom == vbi->wanttop) { - if (vbi->verbose) - fprintf (stderr, "Pop-Up\n"); - vbi->indent = vbi->current_indent; - vbi->ital = vbi->current_ital; - vbi->colour = vbi->current_colour; - vbi->row = vbi->current_row; - vbi->current_istext = 0; - vbiscreen_set_mode (vbi->vs, 1, POP_UP); - } - break; - case 5: /* ROLL UP 2 */ - if (!vbi->wanttext && vbi->current_chan == vbi->chan && - !bottom == vbi->wanttop) { - if (vbi->verbose) - fprintf (stderr, "Roll-Up 2 (RU2)\n"); - vbi->indent = vbi->current_indent; - vbi->ital = vbi->current_ital; - vbi->colour = vbi->current_colour; - vbi->row = vbi->current_row; - vbi->current_istext = 0; - vbiscreen_set_mode (vbi->vs, 1, ROLL_2); - } - break; - case 6: /* ROLL UP 3 */ - if (!vbi->wanttext && vbi->current_chan == vbi->chan && - !bottom == vbi->wanttop) { - if (vbi->verbose) - fprintf (stderr, "Roll-Up 3 (RU3)\n"); - vbi->indent = vbi->current_indent; - vbi->ital = vbi->current_ital; - vbi->colour = vbi->current_colour; - vbi->row = vbi->current_row; - vbi->current_istext = 0; - vbiscreen_set_mode (vbi->vs, 1, ROLL_3); - } - break; - case 7: /* ROLL UP 4 */ - if (!vbi->wanttext && vbi->current_chan == vbi->chan && - !bottom == vbi->wanttop) { - if (vbi->verbose) - fprintf (stderr, "Roll-Up 4 (RU4)\n"); - vbi->indent = vbi->current_indent; - vbi->ital = vbi->current_ital; - vbi->colour = vbi->current_colour; - vbi->row = vbi->current_row; - vbi->current_istext = 0; - vbiscreen_set_mode (vbi->vs, 1, ROLL_4); - } - break; - case 9: /* PAINT-ON */ - if (!vbi->wanttext && vbi->current_chan == vbi->chan && - !bottom == vbi->wanttop) { - if (vbi->verbose) - fprintf (stderr, "Paint-On\n"); - vbi->indent = vbi->current_indent; - vbi->ital = vbi->current_ital; - vbi->colour = vbi->current_colour; - vbi->row = vbi->current_row; - vbi->current_istext = 0; - vbiscreen_set_mode (vbi->vs, 1, PAINT_ON); - } - break; - case 10: /* TEXT */ - if (vbi->wanttext && vbi->current_chan == vbi->chan && - !bottom == vbi->wanttop) { - if (vbi->verbose) - fprintf (stderr, "Text Restart\n"); - vbi->indent = vbi->current_indent; - vbi->ital = vbi->current_ital; - vbi->colour = vbi->current_colour; - vbi->row = vbi->current_row; - vbi->current_istext = 1; - vbiscreen_set_mode (vbi->vs, 0, 0); - } - break; - case 11: /* TEXT */ - if (vbi->wanttext && vbi->current_chan == vbi->chan && - !bottom == vbi->wanttop) { - if (vbi->verbose) - fprintf (stderr, "Resume Text Display\n"); - vbi->indent = vbi->current_indent; - vbi->ital = vbi->current_ital; - vbi->colour = vbi->current_colour; - vbi->row = vbi->current_row; - vbi->current_istext = 1; - vbiscreen_set_mode (vbi->vs, 0, 0); - } - break; - default: /* impossible */ - break; - } - break; - case 1: - if (!vbi->initialised) - return 0; - if (!bottom && vbi->lastcode == ((b1 << 8) | b2)) { - vbi->lastcount = (vbi->lastcount + 1) % 2; - } - if (!bottom == vbi->wanttop && vbi->current_chan == vbi->chan && - vbi->current_istext == vbi->wanttext) { - if (vbi->verbose) - fprintf (stderr, "Backspace\n"); - vbiscreen_backspace (vbi->vs); - } - break; - case 2: - case 3: - if (!vbi->initialised) - return 0; - fprintf (stderr, "Reserved\n"); - break; - case 4: - if (!vbi->initialised) - return 0; - if (!bottom && vbi->lastcode == ((b1 << 8) | b2)) { - vbi->lastcount = (vbi->lastcount + 1) % 2; - } - if (!bottom == vbi->wanttop && vbi->current_chan == vbi->chan && - vbi->current_istext == vbi->wanttext) { - if (vbi->verbose) - fprintf (stderr, "Delete to End of Row\n"); - vbiscreen_delete_to_end (vbi->vs); - } - break; - case 8: - if (!vbi->initialised) - return 0; - if (vbi->verbose) - fprintf (stderr, "Flash On\n"); - break; - case 12: - case 13: - case 14: - case 15: - if (!vbi->initialised) - return 0; - if (!bottom && vbi->lastcode == ((b1 << 8) | b2)) { - vbi->lastcount = (vbi->lastcount + 1) % 2; - return 1; - } - - switch (code) { - case 12: - /* Show buffer 1, Fill buffer 2 */ - if (!bottom == vbi->wanttop && - vbi->current_chan == vbi->chan && - vbi->current_istext == vbi->wanttext) { - if (vbi->verbose) - fprintf (stderr, "Erase Displayed Memory\n"); - vbiscreen_erase_displayed (vbi->vs); - } - break; - case 13: - if (!bottom == vbi->wanttop && - vbi->current_chan == vbi->chan && - vbi->current_istext == vbi->wanttext) { - if (vbi->verbose) - fprintf (stderr, "Carriage Return\n"); - vbiscreen_carriage_return (vbi->vs); - } - break; - case 14: - if (!bottom == vbi->wanttop && - vbi->current_chan == vbi->chan && - vbi->current_istext == vbi->wanttext) { - if (vbi->verbose) - fprintf (stderr, "Erase Non-Displayed\n"); - vbiscreen_erase_non_displayed (vbi->vs); - } - break; - case 15: - /* Show buffer 2, Fill Buffer 1 */ - if (!bottom == vbi->wanttop && - vbi->current_chan == vbi->chan && - vbi->current_istext == vbi->wanttext) { - if (vbi->verbose) - fprintf (stderr, "End Of Caption\n"); - vbiscreen_end_of_caption (vbi->vs); - } - break; - default: /* impossible */ - return 0; - break; - } - break; - default: /* Impossible */ - return 0; - break; - } - - if (vbi->lastcode != ((b1 << 8) | b2)) { - vbi->lastcount = 0; - } - - vbi->lastcode = (b1 << 8) | b2; - return 1; - } - - if (bottom && xds_decode (vbi, b1, b2)) { - return 1; - } - - if (!vbi->enabled) - return 0; - - vbi->lastcode = 0; - vbi->lastcount = 0; - - if (!vbi->initialised) - return 0; - - if (!bottom != vbi->wanttop || vbi->current_chan != vbi->chan || - vbi->current_istext != vbi->wanttext) { - return 0; - } - - if (b1 == 0x11 || b1 == 0x19 || - b1 == 0x12 || b1 == 0x13 || b1 == 0x1A || b1 == 0x1B) { - switch (b1) { - case 0x1A: - case 0x12: - /* use extcode1 */ - if (b1 > 31 && b2 > 31 && b1 <= 0x3F && b2 <= 0x3F) - if (vbi->verbose) - fprintf (stderr, "char %d (%c), char %d (%c)\n", b1, - extcode1[b1 - 32], b2, extcode1[b2 - 32]); - - break; - case 0x13: - case 0x1B: - /* use extcode2 */ - if (b1 > 31 && b2 > 31 && b1 <= 0x3F && b2 <= 0x3F) - if (vbi->verbose) - fprintf (stderr, "char %d (%c), char %d (%c)\n", b1, - extcode2[b1 - 32], b2, extcode2[b2 - 32]); - - break; - case 0x11: - case 0x19: - /* use wcode */ - if (b1 > 31 && b2 > 31 && b1 <= 0x3F && b2 <= 0x3F) - if (vbi->verbose) - fprintf (stderr, "char %d (%c), char %d (%c)\n", b1, - wccode[b1 - 32], b2, wccode[b2 - 32]); - - break; - default: - break; - } - } else if (b1) { - /* use ccode */ - if (b1 < 32) - b1 = 32; - if (b2 < 32) - b2 = 32; - if (vbi->verbose) - fprintf (stderr, "vbidata: data: %c %c\n", ccode[b1 - 32], - ccode[b2 - 32]); - vbiscreen_print (vbi->vs, ccode[b1 - 32], ccode[b2 - 32]); - } - - - return 1; -} /* Process16b */ - -int -ProcessLine (vbidata_t * vbi, unsigned char *s, int bottom) -{ - int w1; - - /*char *outbuf = NULL; */ - - if (!vbi) - return 0; - - w1 = ccdecode (s); - - return Process16b (vbi, bottom, w1); -} /* ProcessLine */ - - - -vbidata_t * -vbidata_new_file (const char *filename, vbiscreen_t * vs, - /*tvtime_osd_t* osd, */ int verbose) -{ - vbidata_t *vbi = (vbidata_t *) malloc (sizeof (vbidata_t)); - - if (!vbi) { - return 0; - } - - vbi->fd = open (filename, O_RDONLY); - if (vbi->fd < 0) { - fprintf (stderr, "vbidata: Can't open %s: %s\n", - filename, strerror (errno)); - free (vbi); - return 0; - } - - vbi->vs = vs; - /*vbi->osd = osd; */ - vbi->verbose = verbose; - - vbidata_reset (vbi); - - return vbi; -} - -vbidata_t * -vbidata_new_line (vbiscreen_t * vs, int verbose) -{ - vbidata_t *vbi = (vbidata_t *) malloc (sizeof (vbidata_t)); - - if (!vbi) { - return 0; - } - - vbi->vs = vs; - /*vbi->osd = osd; */ - vbi->verbose = verbose; - - vbidata_reset (vbi); - - return vbi; -} - -void -vbidata_delete (vbidata_t * vbi) -{ - if (!vbi) - return; - if (vbi->fd != 0) { - close (vbi->fd); - } - free (vbi); -} - -void -vbidata_reset (vbidata_t * vbi) -{ - if (!vbi) - return; - - vbi->wanttop = 0; - vbi->wanttext = 0; - vbi->colour = 0xFFFFFFFFU; - vbi->row = 0; - - vbi->ital = 0; - vbi->indent = 0; - vbi->ul = 0; - - vbi->chan = 0; - - vbi->initialised = 0; - vbi->enabled = 0; - - memset (vbi->program_desc, 0, 8 * sizeof (char *)); - vbi->program_name = NULL; - vbi->network_name = NULL; - vbi->call_letters = NULL; - vbi->rating = NULL; - vbi->program_type = NULL; - - vbi->start_day = 0; - vbi->start_month = 0; - vbi->start_min = 0; - vbi->start_hour = 0; - vbi->length_hour = 0; - vbi->length_min = 0; - vbi->length_elapsed_hour = 0; - vbi->length_elapsed_min = 0; - vbi->length_elapsed_sec = 0; - - /* - tvtime_osd_set_network_call( vbi->osd, "" ); - tvtime_osd_set_network_name( vbi->osd, "" ); - tvtime_osd_set_show_name( vbi->osd, "" ); - tvtime_osd_set_show_rating( vbi->osd, "" ); - tvtime_osd_set_show_start( vbi->osd, "" ); - tvtime_osd_set_show_length( vbi->osd, "" ); - */ - - - - vbi->lastcode = 0; - vbi->lastcount = 0; - vbi->xds_packet[0] = 0; - vbi->xds_cursor = 0; - vbiscreen_reset (vbi->vs); -} - -void -vbidata_set_verbose (vbidata_t * vbi, int verbose) -{ - vbi->verbose = verbose; -} - -void -vbidata_capture_mode (vbidata_t * vbi, int mode) -{ - if (!vbi) - return; - switch (mode) { - case CAPTURE_OFF: - vbi->enabled = 0; - break; - case CAPTURE_CC1: - vbi->wanttop = 1; - vbi->wanttext = 0; - vbi->chan = 0; - vbi->enabled = 1; - break; - case CAPTURE_CC2: - vbi->wanttop = 1; - vbi->wanttext = 0; - vbi->chan = 1; - vbi->enabled = 1; - break; - case CAPTURE_CC3: - vbi->wanttop = 0; - vbi->wanttext = 0; - vbi->chan = 0; - vbi->enabled = 1; - break; - case CAPTURE_CC4: - vbi->wanttop = 0; - vbi->wanttext = 0; - vbi->chan = 1; - vbi->enabled = 1; - break; - case CAPTURE_T1: - vbi->wanttop = 1; - vbi->wanttext = 1; - vbi->chan = 0; - vbi->enabled = 1; - break; - case CAPTURE_T2: - vbi->wanttop = 1; - vbi->wanttext = 1; - vbi->chan = 1; - vbi->enabled = 1; - break; - case CAPTURE_T3: - vbi->wanttop = 0; - vbi->wanttext = 1; - vbi->chan = 0; - vbi->enabled = 1; - break; - case CAPTURE_T4: - vbi->wanttop = 0; - vbi->wanttext = 1; - vbi->chan = 1; - vbi->enabled = 1; - break; - default: - vbi->enabled = 0; - break; - } -} - -void -vbidata_process_frame (vbidata_t * vbi, int printdebug) -{ - if (read (vbi->fd, vbi->buf, 65536) < 65536) { - fprintf (stderr, "error, can't read vbi data.\n"); - return; - } - - ProcessLine (vbi, &vbi->buf[DO_LINE * 2048], 0); - ProcessLine (vbi, &vbi->buf[(16 + DO_LINE) * 2048], 1); -} - -void -vbidata_process_line (vbidata_t * vbi, unsigned char *s, int bottom) -{ - ProcessLine (vbi, s, bottom); -} - -void -vbidata_process_16b (vbidata_t * vbi, int bottom, int w) -{ - Process16b (vbi, bottom, w); -} |