stream/tv.c

   1 /*
   2  * TV Interface for MPlayer
   3  *
   4  * API idea based on libvo2
   5  *
   6  * Copyright (C) 2001 Alex Beregszaszi
   7  *
   8  * Feb 19, 2002: Significant rewrites by Charles R. Henrich (henrich@msu.edu)
   9  *               to add support for audio, and bktr *BSD support.
  10  *
  11  * This file is part of MPlayer.
  12  *
  13  * MPlayer is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * MPlayer is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License along
  24  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  25  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  26  */
  27
  28 #include <stdio.h>
  29 #include <stdlib.h>
  30 #include <unistd.h>
  31 #include <string.h>
  32 #include <ctype.h>
  33 #include <sys/time.h>
  34
  35 #include "config.h"
  36
  37
  38 #include "mp_msg.h"
  39
  40 #include "stream.h"
  41 #include "libmpdemux/demuxer.h"
  42 #include "libmpdemux/stheader.h"
  43
  44 #include "libaf/af_format.h"
  45 #include "libmpcodecs/img_format.h"
  46 #include "libmpcodecs/dec_teletext.h"
  47 #include "libavutil/avstring.h"
  48 #include "osdep/timer.h"
  49
  50 #include "tv.h"
  51
  52 #include "frequencies.h"
  53
  54 tv_channels_t *tv_channel_list;
  55 tv_channels_t *tv_channel_current, *tv_channel_last;
  56 char *tv_channel_last_real;
  57
  58 /* enumerating drivers (like in stream.c) */
  59 extern const tvi_info_t tvi_info_dummy;
  60 extern const tvi_info_t tvi_info_dshow;
  61 extern const tvi_info_t tvi_info_v4l2;
  62 extern const tvi_info_t tvi_info_bsdbt848;
  63
  64 /** List of drivers in autodetection order */
  65 static const tvi_info_t* tvi_driver_list[]={
  66 #ifdef CONFIG_TV_V4L2
  67     &tvi_info_v4l2,
  68 #endif
  69 #ifdef CONFIG_TV_BSDBT848
  70     &tvi_info_bsdbt848,
  71 #endif
  72 #ifdef CONFIG_TV_DSHOW
  73     &tvi_info_dshow,
  74 #endif
  75     &tvi_info_dummy,
  76     NULL
  77 };
  78
  79 tvi_handle_t *tv_new_handle(int size, const tvi_functions_t *functions)
  80 {
  81     tvi_handle_t *h = malloc(sizeof(*h));
  82
  83     if (!h)
  84         return NULL;
  85
  86     h->priv = calloc(1, size);
  87
  88     if (!h->priv) {
  89         free(h);
  90         return NULL;
  91     }
  92
  93     h->functions  = functions;
  94     h->seq        = 0;
  95     h->chanlist   = -1;
  96     h->chanlist_s = NULL;
  97     h->norm       = -1;
  98     h->channel    = -1;
  99     h->scan       = NULL;
 100
 101     return h;
 102 }
 103
 104 void tv_free_handle(tvi_handle_t *h)
 105 {
 106     if (!h)
 107         return;
 108     free(h->priv);
 109     free(h->scan);
 110     free(h);
 111 }
 112
 113 void tv_start_scan(tvi_handle_t *tvh, int start)
 114 {
 115     mp_msg(MSGT_TV,MSGL_INFO,"start scan\n");
 116     tvh->tv_param->scan=start?1:0;
 117 }
 118
 119 static void tv_scan(tvi_handle_t *tvh)
 120 {
 121     unsigned int now;
 122     struct CHANLIST cl;
 123     tv_channels_t *tv_channel_tmp=NULL;
 124     tv_channels_t *tv_channel_add=NULL;
 125     tv_scan_t* scan;
 126     int found=0, index=1;
 127
 128     //Channel scanner without tuner is useless and causes crash due to uninitialized chanlist_s
 129     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
 130     {
 131         mp_tmsg(MSGT_TV, MSGL_WARN, "Channel scanner is not available without tuner\n");
 132         tvh->tv_param->scan=0;
 133         return;
 134     }
 135
 136     scan = tvh->scan;
 137     now=GetTimer();
 138     if (!scan) {
 139         scan=calloc(1,sizeof(tv_scan_t));
 140         tvh->scan=scan;
 141         cl = tvh->chanlist_s[scan->channel_num];
 142         tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 143         scan->scan_timer=now+1e6*tvh->tv_param->scan_period;
 144     }
 145     if(scan->scan_timer>now)
 146         return;
 147
 148     if (tv_get_signal(tvh)>tvh->tv_param->scan_threshold) {
 149         cl = tvh->chanlist_s[scan->channel_num];
 150         tv_channel_tmp=tv_channel_list;
 151         while (tv_channel_tmp) {
 152             index++;
 153             if (cl.freq==tv_channel_tmp->freq){
 154                 found=1;
 155                 break;
 156             }
 157             tv_channel_add=tv_channel_tmp;
 158             tv_channel_tmp=tv_channel_tmp->next;
 159         }
 160         if (!found) {
 161             mp_msg(MSGT_TV, MSGL_INFO, "Found new channel: %s (#%d). \n",cl.name,index);
 162             scan->new_channels++;
 163             tv_channel_tmp = malloc(sizeof(tv_channels_t));
 164             tv_channel_tmp->index=index;
 165             tv_channel_tmp->next=NULL;
 166             tv_channel_tmp->prev=tv_channel_add;
 167             tv_channel_tmp->freq=cl.freq;
 168             snprintf(tv_channel_tmp->name,sizeof(tv_channel_tmp->name),"ch%d",index);
 169             strncpy(tv_channel_tmp->number, cl.name, 5);
 170             tv_channel_tmp->number[4]='\0';
 171             if (!tv_channel_list)
 172                 tv_channel_list=tv_channel_tmp;
 173             else {
 174                 tv_channel_add->next=tv_channel_tmp;
 175                 tv_channel_list->prev=tv_channel_tmp;
 176             }
 177         }else
 178             mp_msg(MSGT_TV, MSGL_INFO, "Found existing channel: %s-%s.\n",
 179                 tv_channel_tmp->number,tv_channel_tmp->name);
 180     }
 181     scan->channel_num++;
 182     scan->scan_timer=now+1e6*tvh->tv_param->scan_period;
 183     if (scan->channel_num>=chanlists[tvh->chanlist].count) {
 184         tvh->tv_param->scan=0;
 185         mp_msg(MSGT_TV, MSGL_INFO, "TV scan end. Found %d new channels.\n", scan->new_channels);
 186         tv_channel_tmp=tv_channel_list;
 187         if(tv_channel_tmp){
 188             mp_msg(MSGT_TV,MSGL_INFO,"channels=");
 189             while(tv_channel_tmp){
 190                 mp_msg(MSGT_TV,MSGL_INFO,"%s-%s",tv_channel_tmp->number,tv_channel_tmp->name);
 191                 if(tv_channel_tmp->next)
 192                     mp_msg(MSGT_TV,MSGL_INFO,",");
 193                 tv_channel_tmp=tv_channel_tmp->next;
 194             }
 195             mp_msg(MSGT_TV, MSGL_INFO, "\n");
 196         }
 197         if (!tv_channel_current) tv_channel_current=tv_channel_list;
 198         if (tv_channel_current)
 199             tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 200         free(tvh->scan);
 201         tvh->scan=NULL;
 202     }else{
 203         cl = tvh->chanlist_s[scan->channel_num];
 204         tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 205         mp_msg(MSGT_TV, MSGL_INFO, "Trying: %s (%.2f). \n",cl.name,1e-3*cl.freq);
 206     }
 207 }
 208
 209 /* ================== DEMUX_TV ===================== */
 210 /*
 211   Return value:
 212     0 = EOF(?) or no stream
 213     1 = successfully read a packet
 214 */
 215 /* fill demux->video and demux->audio */
 216
 217 static int demux_tv_fill_buffer(demuxer_t *demux, demux_stream_t *ds)
 218 {
 219     tvi_handle_t *tvh=(tvi_handle_t*)(demux->priv);
 220     demux_packet_t* dp;
 221     unsigned int len=0;
 222
 223     /* ================== ADD AUDIO PACKET =================== */
 224
 225     if (ds==demux->audio && tvh->tv_param->noaudio == 0 &&
 226         tvh->functions->control(tvh->priv,
 227                                 TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
 228         {
 229         len = tvh->functions->get_audio_framesize(tvh->priv);
 230
 231         dp=new_demux_packet(len);
 232         dp->keyframe = true;
 233         dp->pts=tvh->functions->grab_audio_frame(tvh->priv, dp->buffer,len);
 234         ds_add_packet(demux->audio,dp);
 235         }
 236
 237     /* ================== ADD VIDEO PACKET =================== */
 238
 239     if (ds==demux->video && tvh->functions->control(tvh->priv,
 240                             TVI_CONTROL_IS_VIDEO, 0) == TVI_CONTROL_TRUE)
 241         {
 242                 len = tvh->functions->get_video_framesize(tvh->priv);
 243         dp=new_demux_packet(len);
 244         dp->keyframe = true;
 245                 dp->pts=tvh->functions->grab_video_frame(tvh->priv, dp->buffer, len);
 246                 ds_add_packet(demux->video,dp);
 247          }
 248
 249     if (tvh->tv_param->scan) tv_scan(tvh);
 250     return 1;
 251 }
 252
 253 static int norm_from_string(tvi_handle_t *tvh, char* norm)
 254 {
 255     const tvi_functions_t *funcs = tvh->functions;
 256     char str[20];
 257     int ret;
 258
 259     strncpy(str, norm, sizeof(str)-1);
 260     str[sizeof(str)-1] = '\0';
 261     ret=funcs->control(tvh->priv, TVI_CONTROL_SPC_GET_NORMID, str);
 262
 263     if (ret == TVI_CONTROL_TRUE) {
 264         int *v = (int *)str;
 265         return *v;
 266     }
 267
 268     if(ret!=TVI_CONTROL_UNKNOWN)
 269     {
 270         mp_tmsg(MSGT_TV, MSGL_WARN, "tv.c: norm_from_string(%s): Bogus norm parameter, setting %s.\n", norm,"default");
 271         return 0;
 272     }
 273
 274     if (!strcasecmp(norm, "pal"))
 275         return TV_NORM_PAL;
 276     else if (!strcasecmp(norm, "ntsc"))
 277         return TV_NORM_NTSC;
 278     else if (!strcasecmp(norm, "secam"))
 279         return TV_NORM_SECAM;
 280     else if (!strcasecmp(norm, "palnc"))
 281         return TV_NORM_PALNC;
 282     else if (!strcasecmp(norm, "palm"))
 283         return TV_NORM_PALM;
 284     else if (!strcasecmp(norm, "paln"))
 285         return TV_NORM_PALN;
 286     else if (!strcasecmp(norm, "ntscjp"))
 287         return TV_NORM_NTSCJP;
 288     else {
 289         mp_tmsg(MSGT_TV, MSGL_WARN, "tv.c: norm_from_string(%s): Bogus norm parameter, setting %s.\n", norm, "PAL");
 290         return TV_NORM_PAL;
 291     }
 292 }
 293
 294 static void parse_channels(tvi_handle_t *tvh)
 295 {
 296     char** channels = tvh->tv_param->channels;
 297
 298     mp_tmsg(MSGT_TV, MSGL_INFO, "TV channel names detected.\n");
 299     tv_channel_list = malloc(sizeof(tv_channels_t));
 300     tv_channel_list->index=1;
 301     tv_channel_list->next=NULL;
 302     tv_channel_list->prev=NULL;
 303     tv_channel_current = tv_channel_list;
 304     tv_channel_current->norm = tvh->norm;
 305
 306     while (*channels) {
 307         char* tmp = *(channels++);
 308         char* sep = strchr(tmp,'-');
 309         int i;
 310         struct CHANLIST cl;
 311
 312         if (!sep) continue; // Wrong syntax, but mplayer should not crash
 313
 314         av_strlcpy(tv_channel_current->name, sep + 1,
 315                         sizeof(tv_channel_current->name));
 316         sep[0] = '\0';
 317         strncpy(tv_channel_current->number, tmp, 5);
 318         tv_channel_current->number[4]='\0';
 319
 320         while ((sep=strchr(tv_channel_current->name, '_')))
 321             sep[0] = ' ';
 322
 323         // if channel number is a number and larger than 1000 threat it as frequency
 324         // tmp still contain pointer to null-terminated string with channel number here
 325         if (atoi(tmp)>1000){
 326             tv_channel_current->freq=atoi(tmp);
 327         }else{
 328             tv_channel_current->freq = 0;
 329             for (i = 0; i < chanlists[tvh->chanlist].count; i++) {
 330                 cl = tvh->chanlist_s[i];
 331                 if (!strcasecmp(cl.name, tv_channel_current->number)) {
 332                     tv_channel_current->freq=cl.freq;
 333                     break;
 334                 }
 335             }
 336         }
 337         if (tv_channel_current->freq == 0)
 338             mp_tmsg(MSGT_TV, MSGL_ERR, "Couldn't find frequency for channel %s (%s)\n",
 339                             tv_channel_current->number, tv_channel_current->name);
 340         else {
 341           sep = strchr(tv_channel_current->name, '-');
 342           if ( !sep ) sep = strchr(tv_channel_current->name, '+');
 343
 344           if ( sep ) {
 345             i = atoi (sep+1);
 346             if ( sep[0] == '+' ) tv_channel_current->freq += i * 100;
 347             if ( sep[0] == '-' ) tv_channel_current->freq -= i * 100;
 348             sep[0] = '\0';
 349           }
 350
 351           sep = strchr(tv_channel_current->name, '=');
 352           if ( sep ) {
 353             tv_channel_current->norm = norm_from_string(tvh, sep+1);
 354             sep[0] = '\0';
 355           }
 356         }
 357
 358         /*mp_msg(MSGT_TV, MSGL_INFO, "-- Detected channel %s - %s (%5.3f)\n",
 359                         tv_channel_current->number, tv_channel_current->name,
 360                         (float)tv_channel_current->freq/1000);*/
 361
 362         tv_channel_current->next = malloc(sizeof(tv_channels_t));
 363         tv_channel_current->next->index = tv_channel_current->index + 1;
 364         tv_channel_current->next->prev = tv_channel_current;
 365         tv_channel_current->next->next = NULL;
 366         tv_channel_current = tv_channel_current->next;
 367         tv_channel_current->norm = tvh->norm;
 368     }
 369     if (tv_channel_current->prev)
 370         tv_channel_current->prev->next = NULL;
 371     free(tv_channel_current);
 372 }
 373
 374 int tv_set_norm(tvi_handle_t *tvh, char* norm)
 375 {
 376     tvh->norm = norm_from_string(tvh, norm);
 377
 378     mp_tmsg(MSGT_TV, MSGL_V, "Selected norm : %s\n", norm);
 379     if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
 380         mp_tmsg(MSGT_TV, MSGL_ERR, "Error: Cannot set norm!\n");
 381         return 0;
 382     }
 383     teletext_control(tvh->demuxer->teletext,TV_VBI_CONTROL_RESET,
 384                      &tvh->tv_param->teletext);
 385     return 1;
 386 }
 387
 388 static int tv_set_norm_i(tvi_handle_t *tvh, int norm)
 389 {
 390    tvh->norm = norm;
 391
 392    mp_tmsg(MSGT_TV, MSGL_V, "Selected norm id: %d\n", norm);
 393    if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
 394       mp_tmsg(MSGT_TV, MSGL_ERR, "Error: Cannot set norm!\n");
 395       return 0;
 396    }
 397
 398    teletext_control(tvh->demuxer->teletext,TV_VBI_CONTROL_RESET,
 399                     &tvh->tv_param->teletext);
 400    return 1;
 401 }
 402
 403 static int open_tv(tvi_handle_t *tvh)
 404 {
 405     int i;
 406     const tvi_functions_t *funcs = tvh->functions;
 407     int tv_fmt_list[] = {
 408       IMGFMT_YV12,
 409       IMGFMT_I420,
 410       IMGFMT_UYVY,
 411       IMGFMT_YUY2,
 412       IMGFMT_RGB32,
 413       IMGFMT_RGB24,
 414       IMGFMT_RGB16,
 415       IMGFMT_RGB15
 416     };
 417
 418     if (funcs->control(tvh->priv, TVI_CONTROL_IS_VIDEO, 0) != TVI_CONTROL_TRUE)
 419     {
 420         mp_tmsg(MSGT_TV, MSGL_ERR, "Error: No video input present!\n");
 421         return 0;
 422     }
 423
 424     if (tvh->tv_param->outfmt == -1)
 425       for (i = 0; i < sizeof (tv_fmt_list) / sizeof (*tv_fmt_list); i++)
 426         {
 427           tvh->tv_param->outfmt = tv_fmt_list[i];
 428           if (funcs->control (tvh->priv, TVI_CONTROL_VID_SET_FORMAT,
 429                               &tvh->tv_param->outfmt) == TVI_CONTROL_TRUE)
 430             break;
 431         }
 432     else
 433     {
 434     switch(tvh->tv_param->outfmt)
 435     {
 436         case IMGFMT_YV12:
 437         case IMGFMT_I420:
 438         case IMGFMT_UYVY:
 439         case IMGFMT_YUY2:
 440         case IMGFMT_RGB32:
 441         case IMGFMT_RGB24:
 442         case IMGFMT_BGR32:
 443         case IMGFMT_BGR24:
 444         case IMGFMT_BGR16:
 445         case IMGFMT_BGR15:
 446             break;
 447         default:
 448             mp_tmsg(MSGT_TV, MSGL_ERR,
 449                         "==================================================================\n"\
 450                         " WARNING: UNTESTED OR UNKNOWN OUTPUT IMAGE FORMAT REQUESTED (0x%x)\n"\
 451                         " This may cause buggy playback or program crash! Bug reports will\n"\
 452                         " be ignored! You should try again with YV12 (which is the default\n"\
 453                         " colorspace) and read the documentation!\n"\
 454                         "==================================================================\n"
 455                 ,tvh->tv_param->outfmt);
 456     }
 457     funcs->control(tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &tvh->tv_param->outfmt);
 458     }
 459
 460     /* set some params got from cmdline */
 461     funcs->control(tvh->priv, TVI_CONTROL_SPC_SET_INPUT, &tvh->tv_param->input);
 462
 463 #if defined(CONFIG_TV_V4L2) || defined(CONFIG_TV_DSHOW)
 464     if (0
 465 #ifdef CONFIG_TV_V4L2
 466     || (!strcmp(tvh->tv_param->driver, "v4l2") && tvh->tv_param->normid >= 0)
 467 #endif
 468 #ifdef CONFIG_TV_DSHOW
 469     || (!strcmp(tvh->tv_param->driver, "dshow") && tvh->tv_param->normid >= 0)
 470 #endif
 471     )
 472         tv_set_norm_i(tvh, tvh->tv_param->normid);
 473     else
 474 #endif
 475     tv_set_norm(tvh,tvh->tv_param->norm);
 476
 477     /* limits on w&h are norm-dependent -- JM */
 478     if (tvh->tv_param->width != -1 && tvh->tv_param->height != -1) {
 479         // first tell the driver both width and height, some drivers do not support setting them independently.
 480         int dim[2];
 481         dim[0] = tvh->tv_param->width; dim[1] = tvh->tv_param->height;
 482         funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH_HEIGHT, dim);
 483     }
 484     /* set width */
 485     if (tvh->tv_param->width != -1)
 486     {
 487         if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_WIDTH, &tvh->tv_param->width) == TVI_CONTROL_TRUE)
 488             funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH, &tvh->tv_param->width);
 489         else
 490         {
 491             mp_tmsg(MSGT_TV, MSGL_ERR, "Unable to set requested width: %d\n", tvh->tv_param->width);
 492             funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &tvh->tv_param->width);
 493         }
 494     }
 495
 496     /* set height */
 497     if (tvh->tv_param->height != -1)
 498     {
 499         if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_HEIGHT, &tvh->tv_param->height) == TVI_CONTROL_TRUE)
 500             funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HEIGHT, &tvh->tv_param->height);
 501         else
 502         {
 503             mp_tmsg(MSGT_TV, MSGL_ERR, "Unable to set requested height: %d\n", tvh->tv_param->height);
 504             funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &tvh->tv_param->height);
 505         }
 506     }
 507
 508     if (funcs->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
 509     {
 510         mp_tmsg(MSGT_TV, MSGL_WARN, "Selected input hasn't got a tuner!\n");
 511         goto done;
 512     }
 513
 514     /* select channel list */
 515     for (i = 0; chanlists[i].name != NULL; i++)
 516     {
 517         if (!strcasecmp(chanlists[i].name, tvh->tv_param->chanlist))
 518         {
 519             tvh->chanlist = i;
 520             tvh->chanlist_s = chanlists[i].list;
 521             break;
 522         }
 523     }
 524
 525     if (tvh->chanlist == -1)
 526         mp_tmsg(MSGT_TV, MSGL_WARN, "Unable to find selected channel list! (%s)\n",
 527             tvh->tv_param->chanlist);
 528     else
 529         mp_tmsg(MSGT_TV, MSGL_V, "Selected channel list: %s (including %d channels)\n",
 530             chanlists[tvh->chanlist].name, chanlists[tvh->chanlist].count);
 531
 532     if (tvh->tv_param->freq && tvh->tv_param->channel)
 533     {
 534         mp_tmsg(MSGT_TV, MSGL_WARN, "You can't set frequency and channel simultaneously!\n");
 535         goto done;
 536     }
 537
 538     /* Handle channel names */
 539     if (tvh->tv_param->channels) {
 540         parse_channels(tvh);
 541     } else
 542             tv_channel_last_real = malloc(5);
 543
 544     if (tv_channel_list) {
 545         int i;
 546         int channel = 0;
 547         if (tvh->tv_param->channel)
 548          {
 549            if (isdigit(*tvh->tv_param->channel))
 550                 /* if tvh->tv_param->channel begins with a digit interpret it as a number */
 551                 channel = atoi(tvh->tv_param->channel);
 552            else
 553               {
 554                 /* if tvh->tv_param->channel does not begin with a digit
 555                    set the first channel that contains tvh->tv_param->channel in its name */
 556
 557                 tv_channel_current = tv_channel_list;
 558                 while ( tv_channel_current ) {
 559                         if ( strstr(tv_channel_current->name, tvh->tv_param->channel) )
 560                           break;
 561                         tv_channel_current = tv_channel_current->next;
 562                         }
 563                 if ( !tv_channel_current ) tv_channel_current = tv_channel_list;
 564               }
 565          }
 566         else
 567                 channel = 1;
 568
 569         if ( channel ) {
 570         tv_channel_current = tv_channel_list;
 571         for (i = 1; i < channel; i++)
 572                 if (tv_channel_current->next)
 573                         tv_channel_current = tv_channel_current->next;
 574         }
 575
 576         mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n", tv_channel_current->number,
 577                         tv_channel_current->name, (float)tv_channel_current->freq/1000);
 578         tv_set_norm_i(tvh, tv_channel_current->norm);
 579         tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 580         tv_channel_last = tv_channel_current;
 581     } else {
 582     /* we need to set frequency */
 583     if (tvh->tv_param->freq)
 584     {
 585         unsigned long freq = atof(tvh->tv_param->freq)*16;
 586
 587         /* set freq in MHz */
 588         funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
 589
 590         funcs->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
 591         mp_tmsg(MSGT_TV, MSGL_V, "Selected frequency: %lu (%.3f)\n",
 592             freq, (float)freq/16);
 593     }
 594
 595             if (tvh->tv_param->channel) {
 596         struct CHANLIST cl;
 597
 598         mp_tmsg(MSGT_TV, MSGL_V, "Requested channel: %s\n", tvh->tv_param->channel);
 599         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 600         {
 601             cl = tvh->chanlist_s[i];
 602                     //  printf("count%d: name: %s, freq: %d\n",
 603                     //  i, cl.name, cl.freq);
 604             if (!strcasecmp(cl.name, tvh->tv_param->channel))
 605             {
 606                         strcpy(tv_channel_last_real, cl.name);
 607                 tvh->channel = i;
 608                 mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
 609                     cl.name, (float)cl.freq/1000);
 610                 tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 611                 break;
 612             }
 613         }
 614     }
 615     }
 616
 617     /* grep frequency in chanlist */
 618     {
 619         unsigned long i2;
 620         int freq;
 621
 622         tv_get_freq(tvh, &i2);
 623
 624         freq = (int) (((float)(i2/16))*1000)+250;
 625
 626         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 627         {
 628             if (tvh->chanlist_s[i].freq == freq)
 629             {
 630                 tvh->channel = i+1;
 631                 break;
 632             }
 633         }
 634     }
 635
 636 done:
 637     /* also start device! */
 638         return 1;
 639 }
 640
 641 static tvi_handle_t *tv_begin(tv_param_t* tv_param)
 642 {
 643     int i;
 644     tvi_handle_t* h;
 645     if(tv_param->driver && !strcmp(tv_param->driver,"help")){
 646         mp_tmsg(MSGT_TV,MSGL_INFO,"Available drivers:\n");
 647         for(i=0;tvi_driver_list[i];i++){
 648             mp_msg(MSGT_TV,MSGL_INFO," %s\t%s",tvi_driver_list[i]->short_name,tvi_driver_list[i]->name);
 649             if(tvi_driver_list[i]->comment)
 650                 mp_msg(MSGT_TV,MSGL_INFO," (%s)",tvi_driver_list[i]->comment);
 651             mp_msg(MSGT_TV,MSGL_INFO,"\n");
 652         }
 653         return NULL;
 654     }
 655
 656     for(i=0;tvi_driver_list[i];i++){
 657         if (!tv_param->driver || !strcmp(tvi_driver_list[i]->short_name, tv_param->driver)){
 658             h=tvi_driver_list[i]->tvi_init(tv_param);
 659             //Requested driver initialization failed
 660             if (!h && tv_param->driver)
 661                 return NULL;
 662             //Driver initialization failed during autodetection process.
 663             if (!h)
 664                 continue;
 665
 666             h->tv_param=tv_param;
 667             mp_tmsg(MSGT_TV, MSGL_INFO, "Selected driver: %s\n name: %s\n author: %s\n comment: %s\n", tvi_driver_list[i]->short_name,
 668             tvi_driver_list[i]->name,
 669             tvi_driver_list[i]->author,
 670             tvi_driver_list[i]->comment?tvi_driver_list[i]->comment:"");
 671             tv_param->driver=strdup(tvi_driver_list[i]->short_name);
 672             return h;
 673         }
 674     }
 675
 676     if(tv_param->driver)
 677         mp_tmsg(MSGT_TV, MSGL_ERR, "No such driver: %s\n", tv_param->driver);
 678     else
 679         mp_tmsg(MSGT_TV, MSGL_ERR, "TV driver autodetection failed.\n");
 680     return NULL;
 681 }
 682
 683 static int tv_uninit(tvi_handle_t *tvh)
 684 {
 685     int res;
 686     if(!tvh) return 1;
 687     if (!tvh->priv) return 1;
 688     res=tvh->functions->uninit(tvh->priv);
 689     if(res) {
 690         free(tvh->priv);
 691         tvh->priv=NULL;
 692     }
 693     return res;
 694 }
 695
 696 static demuxer_t* demux_open_tv(demuxer_t *demuxer)
 697 {
 698     tvi_handle_t *tvh;
 699     sh_video_t *sh_video;
 700     sh_audio_t *sh_audio = NULL;
 701     const tvi_functions_t *funcs;
 702
 703     demuxer->priv=NULL;
 704     if(!(tvh=tv_begin(demuxer->stream->priv))) return NULL;
 705     if (!tvh->functions->init(tvh->priv)) return NULL;
 706
 707     tvh->demuxer = demuxer;
 708     tvh->functions->control(tvh->priv,TVI_CONTROL_VBI_INIT,
 709                             &(tvh->tv_param->teletext.device));
 710     tvh->functions->control(tvh->priv,TVI_CONTROL_GET_VBI_PTR,
 711                             &demuxer->teletext);
 712
 713     if (!open_tv(tvh)){
 714         tv_uninit(tvh);
 715         return NULL;
 716     }
 717     funcs = tvh->functions;
 718     demuxer->priv=tvh;
 719
 720     sh_video = new_sh_video(demuxer, 0);
 721
 722     /* get IMAGE FORMAT */
 723     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FORMAT, &sh_video->format);
 724 //    if (IMGFMT_IS_RGB(sh_video->format) || IMGFMT_IS_BGR(sh_video->format))
 725 //      sh_video->format = 0x0;
 726
 727     /* set FPS and FRAMETIME */
 728
 729     if(!sh_video->fps)
 730     {
 731         float tmp;
 732         if (funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FPS, &tmp) != TVI_CONTROL_TRUE)
 733              sh_video->fps = 25.0f; /* on PAL */
 734         else sh_video->fps = tmp;
 735     }
 736
 737     if (tvh->tv_param->fps != -1.0f)
 738         sh_video->fps = tvh->tv_param->fps;
 739
 740     sh_video->frametime = 1.0f/sh_video->fps;
 741
 742     /* If playback only mode, go to immediate mode, fail silently */
 743     if(tvh->tv_param->immediate == 1)
 744         {
 745         funcs->control(tvh->priv, TVI_CONTROL_IMMEDIATE, 0);
 746         tvh->tv_param->noaudio = 1;
 747         }
 748
 749     /* disable TV audio if -nosound is present */
 750     if (!demuxer->audio || demuxer->audio->id == -2) {
 751         tvh->tv_param->noaudio = 1;
 752     }
 753
 754     /* set width */
 755     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &sh_video->disp_w);
 756
 757     /* set height */
 758     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &sh_video->disp_h);
 759
 760     demuxer->video->sh = sh_video;
 761     sh_video->ds = demuxer->video;
 762     demuxer->video->id = 0;
 763     demuxer->seekable = 0;
 764
 765     /* here comes audio init */
 766     if (tvh->tv_param->noaudio == 0 && funcs->control(tvh->priv, TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
 767     {
 768         int audio_format;
 769         int sh_audio_format;
 770         char buf[128];
 771
 772         /* yeah, audio is present */
 773
 774         funcs->control(tvh->priv, TVI_CONTROL_AUD_SET_SAMPLERATE,
 775                                   &tvh->tv_param->audiorate);
 776
 777         if (funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_FORMAT, &audio_format) != TVI_CONTROL_TRUE)
 778             goto no_audio;
 779
 780         switch(audio_format)
 781         {
 782             case AF_FORMAT_U8:
 783             case AF_FORMAT_S8:
 784             case AF_FORMAT_U16_LE:
 785             case AF_FORMAT_U16_BE:
 786             case AF_FORMAT_S16_LE:
 787             case AF_FORMAT_S16_BE:
 788             case AF_FORMAT_S32_LE:
 789             case AF_FORMAT_S32_BE:
 790                 sh_audio_format = 0x1; /* PCM */
 791                 break;
 792             case AF_FORMAT_IMA_ADPCM:
 793             case AF_FORMAT_MU_LAW:
 794             case AF_FORMAT_A_LAW:
 795             case AF_FORMAT_MPEG2:
 796             default:
 797                 mp_tmsg(MSGT_TV, MSGL_ERR, "Audio type '%s (%x)' unsupported!\n",
 798                     af_fmt2str(audio_format, buf, 128), audio_format);
 799                 goto no_audio;
 800         }
 801
 802         sh_audio = new_sh_audio(demuxer, 0);
 803
 804         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLERATE,
 805                    &sh_audio->samplerate);
 806         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLESIZE,
 807                    &sh_audio->samplesize);
 808         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_CHANNELS,
 809                    &sh_audio->channels);
 810
 811         sh_audio->format = sh_audio_format;
 812         sh_audio->sample_format = audio_format;
 813
 814         sh_audio->i_bps = sh_audio->o_bps =
 815             sh_audio->samplerate * sh_audio->samplesize *
 816             sh_audio->channels;
 817
 818         // emulate WF for win32 codecs:
 819         sh_audio->wf = malloc(sizeof(*sh_audio->wf));
 820         sh_audio->wf->wFormatTag = sh_audio->format;
 821         sh_audio->wf->nChannels = sh_audio->channels;
 822         sh_audio->wf->wBitsPerSample = sh_audio->samplesize * 8;
 823         sh_audio->wf->nSamplesPerSec = sh_audio->samplerate;
 824         sh_audio->wf->nBlockAlign = sh_audio->samplesize * sh_audio->channels;
 825         sh_audio->wf->nAvgBytesPerSec = sh_audio->i_bps;
 826
 827         mp_tmsg(MSGT_DECVIDEO, MSGL_V, "  TV audio: %d channels, %d bits, %d Hz\n",
 828           sh_audio->wf->nChannels, sh_audio->wf->wBitsPerSample,
 829           sh_audio->wf->nSamplesPerSec);
 830
 831         demuxer->audio->sh = sh_audio;
 832         sh_audio->ds = demuxer->audio;
 833         demuxer->audio->id = 0;
 834     }
 835 no_audio:
 836
 837     if(!(funcs->start(tvh->priv))){
 838         // start failed :(
 839         tv_uninit(tvh);
 840         return NULL;
 841     }
 842
 843     /* set color eq */
 844     tv_set_color_options(tvh, TV_COLOR_BRIGHTNESS, tvh->tv_param->brightness);
 845     tv_set_color_options(tvh, TV_COLOR_HUE, tvh->tv_param->hue);
 846     tv_set_color_options(tvh, TV_COLOR_SATURATION, tvh->tv_param->saturation);
 847     tv_set_color_options(tvh, TV_COLOR_CONTRAST, tvh->tv_param->contrast);
 848
 849     if(tvh->tv_param->gain!=-1)
 850         if(funcs->control(tvh->priv,TVI_CONTROL_VID_SET_GAIN,&tvh->tv_param->gain)!=TVI_CONTROL_TRUE)
 851             mp_msg(MSGT_TV,MSGL_WARN,"Unable to set gain control!\n");
 852
 853     teletext_control(demuxer->teletext,TV_VBI_CONTROL_RESET,
 854                      &tvh->tv_param->teletext);
 855
 856     return demuxer;
 857 }
 858
 859 static void demux_close_tv(demuxer_t *demuxer)
 860 {
 861     tvi_handle_t *tvh=(tvi_handle_t*)(demuxer->priv);
 862     if (!tvh) return;
 863     tv_uninit(tvh);
 864     free(tvh);
 865     demuxer->priv=NULL;
 866     demuxer->teletext=NULL;
 867 }
 868
 869 int tv_set_color_options(tvi_handle_t *tvh, int opt, int value)
 870 {
 871     const tvi_functions_t *funcs = tvh->functions;
 872
 873     switch(opt)
 874     {
 875         case TV_COLOR_BRIGHTNESS:
 876             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_BRIGHTNESS, &value);
 877         case TV_COLOR_HUE:
 878             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HUE, &value);
 879         case TV_COLOR_SATURATION:
 880             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_SATURATION, &value);
 881         case TV_COLOR_CONTRAST:
 882             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_CONTRAST, &value);
 883         default:
 884             mp_tmsg(MSGT_TV, MSGL_WARN, "Unknown color option (%d) specified!\n", opt);
 885     }
 886
 887     return TVI_CONTROL_UNKNOWN;
 888 }
 889
 890 int tv_get_color_options(tvi_handle_t *tvh, int opt, int* value)
 891 {
 892     const tvi_functions_t *funcs = tvh->functions;
 893
 894     switch(opt)
 895     {
 896         case TV_COLOR_BRIGHTNESS:
 897             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_BRIGHTNESS, value);
 898         case TV_COLOR_HUE:
 899             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HUE, value);
 900         case TV_COLOR_SATURATION:
 901             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_SATURATION, value);
 902         case TV_COLOR_CONTRAST:
 903             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_CONTRAST, value);
 904         default:
 905             mp_tmsg(MSGT_TV, MSGL_WARN, "Unknown color option (%d) specified!\n", opt);
 906     }
 907
 908     return TVI_CONTROL_UNKNOWN;
 909 }
 910
 911 int tv_get_freq(tvi_handle_t *tvh, unsigned long *freq)
 912 {
 913     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) == TVI_CONTROL_TRUE)
 914     {
 915         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, freq);
 916         mp_tmsg(MSGT_TV, MSGL_V, "Current frequency: %lu (%.3f)\n",
 917             *freq, (float)*freq/16);
 918     }
 919     return 1;
 920 }
 921
 922 int tv_set_freq(tvi_handle_t *tvh, unsigned long freq)
 923 {
 924     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) == TVI_CONTROL_TRUE)
 925     {
 926 //      unsigned long freq = atof(tvh->tv_param->freq)*16;
 927
 928         /* set freq in MHz */
 929         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
 930
 931         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
 932         mp_tmsg(MSGT_TV, MSGL_V, "Current frequency: %lu (%.3f)\n",
 933             freq, (float)freq/16);
 934     }
 935     teletext_control(tvh->demuxer->teletext,TV_VBI_CONTROL_RESET,
 936                      &tvh->tv_param->teletext);
 937     return 1;
 938 }
 939
 940 int tv_get_signal(tvi_handle_t *tvh)
 941 {
 942     int signal=0;
 943     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE ||
 944         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_SIGNAL, &signal)!=TVI_CONTROL_TRUE)
 945         return 0;
 946
 947     return signal;
 948 }
 949
 950 /*****************************************************************
 951  * \brief tune current frequency by step_interval value
 952  * \parameter step_interval increment value in 1/16 MHz
 953  * \note frequency is rounded to 1/16 MHz value
 954  * \return 1
 955  *
 956  */
 957 int tv_step_freq(tvi_handle_t* tvh, float step_interval){
 958     unsigned long frequency;
 959
 960     tvh->tv_param->scan=0;
 961     tv_get_freq(tvh,&frequency);
 962     frequency+=step_interval;
 963     return tv_set_freq(tvh,frequency);
 964 }
 965
 966 int tv_step_channel_real(tvi_handle_t *tvh, int direction)
 967 {
 968     struct CHANLIST cl;
 969
 970     tvh->tv_param->scan=0;
 971     if (direction == TV_CHANNEL_LOWER)
 972     {
 973         if (tvh->channel-1 >= 0)
 974         {
 975             strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 976             cl = tvh->chanlist_s[--tvh->channel];
 977             mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
 978                 cl.name, (float)cl.freq/1000);
 979             tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 980         }
 981     }
 982
 983     if (direction == TV_CHANNEL_HIGHER)
 984     {
 985         if (tvh->channel+1 < chanlists[tvh->chanlist].count)
 986         {
 987             strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 988             cl = tvh->chanlist_s[++tvh->channel];
 989             mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
 990                 cl.name, (float)cl.freq/1000);
 991             tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 992         }
 993     }
 994     return 1;
 995 }
 996
 997 int tv_step_channel(tvi_handle_t *tvh, int direction) {
 998         tvh->tv_param->scan=0;
 999         if (tv_channel_list) {
1000                 if (direction == TV_CHANNEL_HIGHER) {
1001                         tv_channel_last = tv_channel_current;
1002                         if (tv_channel_current->next)
1003                                 tv_channel_current = tv_channel_current->next;
1004                         else
1005                                 tv_channel_current = tv_channel_list;
1006
1007                                 tv_set_norm_i(tvh, tv_channel_current->norm);
1008                                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
1009                                 mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n",
1010                         tv_channel_current->number, tv_channel_current->name, (float)tv_channel_current->freq/1000);
1011                 }
1012                 if (direction == TV_CHANNEL_LOWER) {
1013                         tv_channel_last = tv_channel_current;
1014                         if (tv_channel_current->prev)
1015                                 tv_channel_current = tv_channel_current->prev;
1016                         else
1017                                 while (tv_channel_current->next)
1018                                         tv_channel_current = tv_channel_current->next;
1019                                 tv_set_norm_i(tvh, tv_channel_current->norm);
1020                                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
1021                                 mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n",
1022                         tv_channel_current->number, tv_channel_current->name, (float)tv_channel_current->freq/1000);
1023                 }
1024         } else tv_step_channel_real(tvh, direction);
1025         return 1;
1026 }
1027
1028 int tv_set_channel_real(tvi_handle_t *tvh, char *channel) {
1029         int i;
1030         struct CHANLIST cl;
1031
1032         tvh->tv_param->scan=0;
1033         strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
1034         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
1035         {
1036             cl = tvh->chanlist_s[i];
1037 //          printf("count%d: name: %s, freq: %d\n",
1038 //              i, cl.name, cl.freq);
1039             if (!strcasecmp(cl.name, channel))
1040             {
1041                 tvh->channel = i;
1042                 mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
1043                     cl.name, (float)cl.freq/1000);
1044                 tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
1045                 break;
1046             }
1047         }
1048         return 1;
1049 }
1050
1051 int tv_set_channel(tvi_handle_t *tvh, char *channel) {
1052         int i, channel_int;
1053
1054         tvh->tv_param->scan=0;
1055         if (tv_channel_list) {
1056                 tv_channel_last = tv_channel_current;
1057                 channel_int = atoi(channel);
1058                 tv_channel_current = tv_channel_list;
1059                 for (i = 1; i < channel_int; i++)
1060                         if (tv_channel_current->next)
1061                                 tv_channel_current = tv_channel_current->next;
1062                 mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n", tv_channel_current->number,
1063                                 tv_channel_current->name, (float)tv_channel_current->freq/1000);
1064                 tv_set_norm_i(tvh, tv_channel_current->norm);
1065                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
1066         } else tv_set_channel_real(tvh, channel);
1067         return 1;
1068 }
1069
1070 int tv_last_channel(tvi_handle_t *tvh) {
1071
1072         tvh->tv_param->scan=0;
1073         if (tv_channel_list) {
1074                 tv_channels_t *tmp;
1075
1076                 tmp = tv_channel_last;
1077                 tv_channel_last = tv_channel_current;
1078                 tv_channel_current = tmp;
1079
1080                 mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n", tv_channel_current->number,
1081                                 tv_channel_current->name, (float)tv_channel_current->freq/1000);
1082                 tv_set_norm_i(tvh, tv_channel_current->norm);
1083                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
1084         } else {
1085                 int i;
1086                 struct CHANLIST cl;
1087
1088                 for (i = 0; i < chanlists[tvh->chanlist].count; i++)
1089                 {
1090                     cl = tvh->chanlist_s[i];
1091                     if (!strcasecmp(cl.name, tv_channel_last_real))
1092                     {
1093                         strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
1094                         tvh->channel = i;
1095                         mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
1096                             cl.name, (float)cl.freq/1000);
1097                         tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
1098                         break;
1099                     }
1100                 }
1101         }
1102         return 1;
1103 }
1104
1105 int tv_step_norm(tvi_handle_t *tvh)
1106 {
1107   tvh->norm++;
1108   if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM,
1109                               &tvh->norm) != TVI_CONTROL_TRUE) {
1110     tvh->norm = 0;
1111     if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM,
1112                                 &tvh->norm) != TVI_CONTROL_TRUE) {
1113       mp_tmsg(MSGT_TV, MSGL_ERR, "Error: Cannot set norm!\n");
1114       return 0;
1115     }
1116   }
1117     teletext_control(tvh->demuxer->teletext,TV_VBI_CONTROL_RESET,
1118                      &tvh->tv_param->teletext);
1119     return 1;
1120 }
1121
1122 int tv_step_chanlist(tvi_handle_t *tvh)
1123 {
1124     return 1;
1125 }
1126
1127 demuxer_desc_t demuxer_desc_tv = {
1128   "Tv card demuxer",
1129   "tv",
1130   "TV",
1131   "Alex Beregszaszi, Charles R. Henrich",
1132   "?",
1133   DEMUXER_TYPE_TV,
1134   0, // no autodetect
1135   NULL,
1136   demux_tv_fill_buffer,
1137   demux_open_tv,
1138   demux_close_tv,
1139   NULL,
1140   NULL
1141 };