summaryrefslogtreecommitdiff
path: root/teletext.c
diff options
context:
space:
mode:
Diffstat (limited to 'teletext.c')
-rw-r--r--teletext.c415
1 files changed, 0 insertions, 415 deletions
diff --git a/teletext.c b/teletext.c
index d4fd344..dd107f0 100644
--- a/teletext.c
+++ b/teletext.c
@@ -330,418 +330,3 @@ void print_line(char *p)
dprint("\n");
}
-
-
-#if 0
-void
-show_page(struct ttxt_page *p)
-{
- static cOsdBase *o = NULL;
- static tWindowHandle w1 = 0;
- static tWindowHandle w2 = 0;
- static int open1 = 0, open2 = 0;
- char *s1 = NULL, *s2 = NULL;
- int i, j;
-
- for(i = 1; i < TTXT_ROWS; i++) {
- char *s = NULL;
- if(p->data[i][0]) {
- int do_incr = 0;
- dprint("Checking row %d\n", i);
- for(j = 0; j < 40; j++) {
- p->data[i][j] = p->data[i][j] & 0x7f;
- switch(p->data[i][j]) {
- case 0x0d: // double height
- case 0x0f: // double size
- do_incr = 1;
- break;
- case 0x0a: // box end
- p->data[i][j] = '\0';
- break;
- case 0x0b: // box begin
- s = (char *) &(p->data[i][j+1]);
- dprint("Using row %d\n", i);
- break;
- case '[':
- p->data[i][j] = 'Ä';
- break;
- case ']':
- p->data[i][j] = 'Å';
- break;
- case '\\':
- p->data[i][j] = 'Ö';
- break;
- case '{':
- p->data[i][j] = 'ä';
- break;
- case '}':
- p->data[i][j] = 'å';
- break;
- case '|':
- p->data[i][j] = 'ö';
- break;
- }
- }
- if(do_incr)
- i++;
- dprint("\n");
- }
-
- if(s)
- if(!s1)
- s1 = s;
- else if(!s2)
- s2 = s;
- }
-
- if(s1 && !s2) {
- s2 = s1;
- s1 = NULL;
- }
-
- if(s1)
- dprint("S1: %s\n", s1);
- else
- dprint("S1: <none>\n");
- if(s2)
- dprint("S2: %s\n", s2);
- else
- dprint("S2: <none>\n");
-
- if(o != NULL) {
- if(open1) {
- o->Clear(w1);
- open1 = 0;
- }
- if(open2) {
- o->Clear(w2);
- open2 = 0;
- }
-
- o->Clear();
- delete o;
- o = NULL;
- }
-
- if(!s1 && !s2)
- return;
-
- o = cOsd::OpenRaw(125, 450);
-
- if(o == NULL)
- return;
-
- o->SetFont(fontOsd);
-
- if(s1) {
- int w = o->Width((char *) s1);
- dprint("w1: %d\n", w);
- w = 450;
- int h = 36;
- w1 = o->Create(0, 0, w, h, 2);
-#if 0
- o->AddColor(clrBackground, w1);
- o->AddColor(clrWhite, w1);
-#endif
- o->Fill(0, 0, w, h, clrBackground, w1);
- o->Text(15, 4, (char *) s1, clrWhite, clrBackground, w1);
- open1 = 1;
- }
-
- if(s2) {
- int w = o->Width((char *) s2);
- dprint("w2: %d\n", w);
- w = 452;
- int h = 36;
- w2 = o->Create(0, 45, w, h, 2);
-#if 0
- o->AddColor(clrBackground, w2);
- o->AddColor(clrWhite, w2);
-#endif
- o->Fill(0, 45, w, 45 + h, clrBackground, w2);
- o->Text(15, 45 + 4, (char *) s2, clrWhite, clrBackground, w2);
- open2 = 1;
- }
-
- o->Flush();
-}
-#endif
-
-#if 0
-void
-ttxt_packet_in(int data_unit_id, int mag, int pack, uint8_t *data)
-{
- static int valid = 0;
- static struct ttxt_page p;
- int i;
-
- if(pack == 0) {
- if(valid)
- if(p.mag == TTXT_MAG && p.no == TTXT_PAGE)
- if(p.subtitle)
- //print_page(&p);
- /* if(p.mag == 1) */{
- show_page(&p);
- print_page(&p);
- }
-
- memset(&p, 0, sizeof(p));
- p.data_unit_id = data_unit_id;
- p.mag = mag;
- p.no = unham(data[0], data[1]);
-
- if(data[3] & 0x80) { // Erase Page
- memset(p.data, 0, sizeof(p.data));
- p.erasepage = 1;
- }
- if(data[5] & 0x20) // Newsflash
- p.newsflash = 1;
- if(data[5] & 0x80) // Subtitle
- p.subtitle = 1;
- if(data[6] & 0x02) // Suppress Header
- p.suppress_header = 1;
- //if(data[6] & 0x08) // Update Indicator
- //if(data[6] & 0x20) // Interrupted Sequence
- if(data[6] & 0x80) // Inhibit Display
- p.inhibit_display = 1;
- //if(data[7] & 0x02) // Magazine Serial
-
- p.national_charset =
- ((data[7] & 0x80) >> 7) + ((data[7] & 0x20) >> 4) + ((data[7] & 0x08) >> 1);
-
- valid = 1;
-
- for(i = 0; i < 32; i++)
- p.data[0][i] = data[i+8];
- } else if(pack < 26) {
- for(i = 0; i < 42; i++)
- p.data[pack][i] = data[i];
- } else {
- if((valid && p.mag == TTXT_MAG && p.no == TTXT_PAGE) ||
- pack == 28)
- dprint("mag: %d, pack: %d, page: %02x\n", p.mag, pack, p.no);
- }
-}
-#endif
-
-#if 0
-void
-ttxt_pes_data_in(struct ttxt_pes_data_field *t, int len)
-{
- int i;
-
- if(len < 1)
- return;
-
- if(t->data_identifier < 0x10 || t->data_identifier > 0x1F) {
- dprint("Unknown data identifier: %02x\n", t->data_identifier);
- return;
- }
-
- for(i = 0; (uint8_t *) (&(t->d[i+1])) < (((uint8_t *) t) + len); i++) {
- struct ttxt_data_field *d = &(t->d[i]);
- int i;
- uint8_t *p;
- int uh;
- int mag;
- int pack;
-
- // if(d->data_unit_id != ttxt_subtitle)
- // continue;
-
- p = (uint8_t *) &(d->mag_addr_ham);
- for(i = 0; i < 42; i++) {
- p[i] = invtab[p[i]];
- }
-
- uh = unham(d->mag_addr_ham[0], d->mag_addr_ham[1]);
- mag = uh & 0x7;
- pack = (uh >> 3) & 0x1f;
-
- // dump_hex("line", (uint8_t *) d, 20);
- // dprint("id: %d, line: %d, mag %d, pack: %d\n", d->data_unit_id, TTXT_LINE_NO(*d), mag, pack);
-
- ttxt_packet_in(d->data_unit_id, mag, pack, d->data);
- }
-}
-
-
-void
-set_filt(int fd,uint16_t tt_pid, dmx_pes_type_t t)
-{
- struct dmx_pes_filter_params pesFilterParams;
-
- memset(&pesFilterParams, 0, sizeof(pesFilterParams));
-
- pesFilterParams.pid = tt_pid;
- pesFilterParams.input = DMX_IN_FRONTEND;
- pesFilterParams.output = DMX_OUT_TAP;
- pesFilterParams.pes_type = t;
- pesFilterParams.flags = DMX_IMMEDIATE_START;
-
- if (ioctl(fd, DMX_SET_PES_FILTER, &pesFilterParams) < 0)
- perror("DMX SET PES FILTER:");
-
- // XXX set buffer size too?
-}
-#endif
-
-#if 0
-#define BUFSIZE 2000
-
-// external entry point
-void ttxt_decode(int fd, int tpid, int *doRun)
-{
- uint8_t buf[BUFSIZE];
- int n;
- int hunt = 1;
-
- set_filt(fd, tpid, DMX_PES_OTHER);
-
- while (*doRun) {
- restart:
- if(hunt) {
- int i;
-
- dprint("hunting...\n");
- n = read(fd, buf, 199);
- if(n < 0) {
- perror("ttxt_decode:read: ");
- goto restart;
- }
-
- for(i = 0; i < (n - 3); i++) {
- if(buf[i] == 0 && buf[i+1] == 0 && buf[i+2] == 1 && buf[i+3] == 0xbd) {
- struct ttxt_pes_header *p = (struct ttxt_pes_header *) (buf + i);
- size_t skip = ntohs(p->len) + 6 - (n - i);
-
- if(skip > 0) {
- read(fd, buf, skip < sizeof(buf) ? skip : sizeof(buf));
- if(n < 0) {
- perror("ttxt_decode:read: ");
- goto restart;
- }
- hunt = 0;
- break;
- }
- }
- }
- } else {
- struct ttxt_pes_header *p = (struct ttxt_pes_header *) buf;
-
- n = read(fd, buf, 6);
- if(n < 0) {
- perror("ttxt_decode:read: ");
- goto restart;
- }
-
- if(p->start[0] != 0 || p->start[1] != 0 || p->start[2] != 1 ||
- p->stream_id != 0xbd || // private_stream_1
- ntohs(p->len) > (sizeof(buf) - 6)) {
- dprint("Lost PES packet sync, hunting...\n");
- hunt = 1;
- continue;
- }
-
- n = read(fd, buf + 6, ntohs(p->len));
- if(n < 0) {
- perror("ttxt_decode:read: ");
- goto restart;
- }
-
- // dprint("len: %d\n", n);
-
- if(n != ntohs(p->len) ||
- p->header_len != 0x24) { // header should allways be 0x24 long (EN 300 472)
- dprint("Error reading PES packet, hunting...\n");
- hunt = 1;
- continue;
- }
-
- ttxt_pes_data_in((struct ttxt_pes_data_field *) (buf + 45), n + 6 - 45);
- }
-
- // fwrite(buf,1,n,stdout);
- }
-
- dprint("ttxt_decode DONE!\n");
-}
-#endif
-
-
-#if 0
-int
-main(int argc, char **argv)
-{
- int fd;
- int pid;
- uint8_t buf[BUFSIZE];
- int n;
- int hunt = 1;
-
- if (argc!=2) {
- fprintf(stderr,"USAGE: %s PID\n", argv[0]);
- return -1;
- }
-
- pid = atoi(argv[1]);
-
- if((fd = open("/dev/dvb/adapter0/demux0", O_RDWR)) < 0){
- perror("Error opening demux device: ");
- return -1;
- }
-
- set_filt(fd, pid, DMX_PES_OTHER);
-
- for (;;) {
- if(hunt) {
- int i;
-
- dprint("hunting...\n");
- n = read(fd, buf, 199);
-
- for(i = 0; i < (n - 3); i++) {
- if(buf[i] == 0 && buf[i+1] == 0 && buf[i+2] == 1 && buf[i+3] == 0xbd) {
- struct ttxt_pes_header *p = (struct ttxt_pes_header *) (buf + i);
- int skip = ntohs(p->len) + 6 - (n - i);
-
- if(skip > 0) {
- read(fd, buf, skip < sizeof(buf) ? skip : sizeof(buf));
- hunt = 0;
- break;
- }
- }
- }
- } else {
- struct ttxt_pes_header *p = (struct ttxt_pes_header *) buf;
-
- n = read(fd, buf, 6);
-
- if(p->start[0] != 0 || p->start[1] != 0 || p->start[2] != 1 ||
- p->stream_id != 0xbd || // private_stream_1
- ntohs(p->len) > (sizeof(buf) - 6)) {
- dprint("Lost PES packet sync, hunting...\n");
- hunt = 1;
- continue;
- }
-
- n = read(fd, buf + 6, ntohs(p->len));
-
- // dprint("len: %d\n", n);
-
- if(n != ntohs(p->len) ||
- p->header_len != 0x24) { // header should allways be 0x24 long (EN 300 472)
- dprint("Error reading PES packet, hunting...\n");
- hunt = 1;
- continue;
- }
-
- ttxt_pes_data_in((struct ttxt_pes_data_field *) (buf + 45), n + 6 - 45);
- }
-
- // fwrite(buf,1,n,stdout);
- }
-
- return 0;
-}
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-24 06:38:19 +0000