stream/tv.c

   1 /*
   2  TV Interface for MPlayer
   3
   4  (C) Alex Beregszaszi
   5
   6  API idea based on libvo2
   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 */
  12
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <unistd.h>
  16 #include <string.h>
  17 #include <ctype.h>
  18 #include <sys/time.h>
  19
  20 #include "config.h"
  21
  22
  23 #include "mp_msg.h"
  24 #include "help_mp.h"
  25
  26 #include "stream.h"
  27 #include "libmpdemux/demuxer.h"
  28 #include "libmpdemux/stheader.h"
  29
  30 #include "libaf/af_format.h"
  31 #include "libmpcodecs/img_format.h"
  32 #include "libmpcodecs/dec_teletext.h"
  33 #include "libavutil/avstring.h"
  34 #include "osdep/timer.h"
  35
  36 #include "tv.h"
  37
  38 #include "frequencies.h"
  39
  40 tv_channels_t *tv_channel_list;
  41 tv_channels_t *tv_channel_current, *tv_channel_last;
  42 char *tv_channel_last_real;
  43
  44 /* enumerating drivers (like in stream.c) */
  45 extern const tvi_info_t tvi_info_dummy;
  46 extern const tvi_info_t tvi_info_dshow;
  47 extern const tvi_info_t tvi_info_v4l;
  48 extern const tvi_info_t tvi_info_v4l2;
  49 extern const tvi_info_t tvi_info_bsdbt848;
  50
  51 /** List of drivers in autodetection order */
  52 static const tvi_info_t* tvi_driver_list[]={
  53 #ifdef CONFIG_TV_V4L2
  54     &tvi_info_v4l2,
  55 #endif
  56 #ifdef CONFIG_TV_V4L1
  57     &tvi_info_v4l,
  58 #endif
  59 #ifdef CONFIG_TV_BSDBT848
  60     &tvi_info_bsdbt848,
  61 #endif
  62 #ifdef CONFIG_TV_DSHOW
  63     &tvi_info_dshow,
  64 #endif
  65     &tvi_info_dummy,
  66     NULL
  67 };
  68
  69 void tv_start_scan(tvi_handle_t *tvh, int start)
  70 {
  71     mp_msg(MSGT_TV,MSGL_INFO,"start scan\n");
  72     tvh->tv_param->scan=start?1:0;
  73 }
  74
  75 static void tv_scan(tvi_handle_t *tvh)
  76 {
  77     unsigned int now;
  78     struct CHANLIST cl;
  79     tv_channels_t *tv_channel_tmp=NULL;
  80     tv_channels_t *tv_channel_add=NULL;
  81     tv_scan_t* scan;
  82     int found=0, index=1;
  83
  84     //Channel scanner without tuner is useless and causes crash due to uninitialized chanlist_s
  85     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
  86     {
  87         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_ScannerNotAvailableWithoutTuner);
  88         tvh->tv_param->scan=0;
  89         return;
  90     }
  91
  92     scan = tvh->scan;
  93     now=GetTimer();
  94     if (!scan) {
  95         scan=calloc(1,sizeof(tv_scan_t));
  96         tvh->scan=scan;
  97         cl = tvh->chanlist_s[scan->channel_num];
  98         tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
  99         scan->scan_timer=now+1e6*tvh->tv_param->scan_period;
 100     }
 101     if(scan->scan_timer>now)
 102         return;
 103
 104     if (tv_get_signal(tvh)>tvh->tv_param->scan_threshold) {
 105         cl = tvh->chanlist_s[scan->channel_num];
 106         tv_channel_tmp=tv_channel_list;
 107         while (tv_channel_tmp) {
 108             index++;
 109             if (cl.freq==tv_channel_tmp->freq){
 110                 found=1;
 111                 break;
 112             }
 113             tv_channel_add=tv_channel_tmp;
 114             tv_channel_tmp=tv_channel_tmp->next;
 115         }
 116         if (!found) {
 117             mp_msg(MSGT_TV, MSGL_INFO, "Found new channel: %s (#%d). \n",cl.name,index);
 118             scan->new_channels++;
 119             tv_channel_tmp = malloc(sizeof(tv_channels_t));
 120             tv_channel_tmp->index=index;
 121             tv_channel_tmp->next=NULL;
 122             tv_channel_tmp->prev=tv_channel_add;
 123             tv_channel_tmp->freq=cl.freq;
 124             snprintf(tv_channel_tmp->name,sizeof(tv_channel_tmp->name),"ch%d",index);
 125             strncpy(tv_channel_tmp->number, cl.name, 5);
 126             tv_channel_tmp->number[4]='\0';
 127             if (!tv_channel_list)
 128                 tv_channel_list=tv_channel_tmp;
 129             else {
 130                 tv_channel_add->next=tv_channel_tmp;
 131                 tv_channel_list->prev=tv_channel_tmp;
 132             }
 133         }else
 134             mp_msg(MSGT_TV, MSGL_INFO, "Found existing channel: %s-%s.\n",
 135                 tv_channel_tmp->number,tv_channel_tmp->name);
 136     }
 137     scan->channel_num++;
 138     scan->scan_timer=now+1e6*tvh->tv_param->scan_period;
 139     if (scan->channel_num>=chanlists[tvh->chanlist].count) {
 140         tvh->tv_param->scan=0;
 141         mp_msg(MSGT_TV, MSGL_INFO, "TV scan end. Found %d new channels.\n", scan->new_channels);
 142         tv_channel_tmp=tv_channel_list;
 143         if(tv_channel_tmp){
 144             mp_msg(MSGT_TV,MSGL_INFO,"channels=");
 145             while(tv_channel_tmp){
 146                 mp_msg(MSGT_TV,MSGL_INFO,"%s-%s",tv_channel_tmp->number,tv_channel_tmp->name);
 147                 if(tv_channel_tmp->next)
 148                     mp_msg(MSGT_TV,MSGL_INFO,",");
 149                 tv_channel_tmp=tv_channel_tmp->next;
 150             }
 151             mp_msg(MSGT_TV, MSGL_INFO, "\n");
 152         }
 153         if (!tv_channel_current) tv_channel_current=tv_channel_list;
 154         if (tv_channel_current)
 155             tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 156         free(tvh->scan);
 157         tvh->scan=NULL;
 158     }else{
 159         cl = tvh->chanlist_s[scan->channel_num];
 160         tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 161         mp_msg(MSGT_TV, MSGL_INFO, "Trying: %s (%.2f). \n",cl.name,1e-3*cl.freq);
 162     }
 163 }
 164
 165 /* ================== DEMUX_TV ===================== */
 166 /*
 167   Return value:
 168     0 = EOF(?) or no stream
 169     1 = successfully read a packet
 170 */
 171 /* fill demux->video and demux->audio */
 172
 173 static int demux_tv_fill_buffer(demuxer_t *demux, demux_stream_t *ds)
 174 {
 175     tvi_handle_t *tvh=(tvi_handle_t*)(demux->priv);
 176     demux_packet_t* dp;
 177     unsigned int len=0;
 178
 179     /* ================== ADD AUDIO PACKET =================== */
 180
 181     if (ds==demux->audio && tvh->tv_param->noaudio == 0 &&
 182         tvh->functions->control(tvh->priv,
 183                                 TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
 184         {
 185         len = tvh->functions->get_audio_framesize(tvh->priv);
 186
 187         dp=new_demux_packet(len);
 188         dp->flags|=1; /* Keyframe */
 189         dp->pts=tvh->functions->grab_audio_frame(tvh->priv, dp->buffer,len);
 190         ds_add_packet(demux->audio,dp);
 191         }
 192
 193     /* ================== ADD VIDEO PACKET =================== */
 194
 195     if (ds==demux->video && tvh->functions->control(tvh->priv,
 196                             TVI_CONTROL_IS_VIDEO, 0) == TVI_CONTROL_TRUE)
 197         {
 198                 len = tvh->functions->get_video_framesize(tvh->priv);
 199         dp=new_demux_packet(len);
 200                 dp->flags|=1; /* Keyframe */
 201                 dp->pts=tvh->functions->grab_video_frame(tvh->priv, dp->buffer, len);
 202                 ds_add_packet(demux->video,dp);
 203          }
 204
 205     if (tvh->tv_param->scan) tv_scan(tvh);
 206     return 1;
 207 }
 208
 209 static int norm_from_string(tvi_handle_t *tvh, char* norm)
 210 {
 211     const tvi_functions_t *funcs = tvh->functions;
 212     char str[20];
 213     int ret;
 214
 215     strncpy(str, norm, sizeof(str)-1);
 216     str[sizeof(str)-1] = '\0';
 217     ret=funcs->control(tvh->priv, TVI_CONTROL_SPC_GET_NORMID, str);
 218
 219     if(ret==TVI_CONTROL_TRUE)
 220         return *(int *)str;
 221
 222     if(ret!=TVI_CONTROL_UNKNOWN)
 223     {
 224         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_BogusNormParameter, norm,"default");
 225         return 0;
 226     }
 227
 228     if (!strcasecmp(norm, "pal"))
 229         return TV_NORM_PAL;
 230     else if (!strcasecmp(norm, "ntsc"))
 231         return TV_NORM_NTSC;
 232     else if (!strcasecmp(norm, "secam"))
 233         return TV_NORM_SECAM;
 234     else if (!strcasecmp(norm, "palnc"))
 235         return TV_NORM_PALNC;
 236     else if (!strcasecmp(norm, "palm"))
 237         return TV_NORM_PALM;
 238     else if (!strcasecmp(norm, "paln"))
 239         return TV_NORM_PALN;
 240     else if (!strcasecmp(norm, "ntscjp"))
 241         return TV_NORM_NTSCJP;
 242     else {
 243         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_BogusNormParameter, norm, "PAL");
 244         return TV_NORM_PAL;
 245     }
 246 }
 247
 248 static void parse_channels(tvi_handle_t *tvh)
 249 {
 250     char** channels = tvh->tv_param->channels;
 251
 252     mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_ChannelNamesDetected);
 253     tv_channel_list = malloc(sizeof(tv_channels_t));
 254     tv_channel_list->index=1;
 255     tv_channel_list->next=NULL;
 256     tv_channel_list->prev=NULL;
 257     tv_channel_current = tv_channel_list;
 258     tv_channel_current->norm = tvh->norm;
 259
 260     while (*channels) {
 261         char* tmp = *(channels++);
 262         char* sep = strchr(tmp,'-');
 263         int i;
 264         struct CHANLIST cl;
 265
 266         if (!sep) continue; // Wrong syntax, but mplayer should not crash
 267
 268         av_strlcpy(tv_channel_current->name, sep + 1,
 269                         sizeof(tv_channel_current->name));
 270         sep[0] = '\0';
 271         strncpy(tv_channel_current->number, tmp, 5);
 272         tv_channel_current->number[4]='\0';
 273
 274         while ((sep=strchr(tv_channel_current->name, '_')))
 275             sep[0] = ' ';
 276
 277         // if channel number is a number and larger than 1000 threat it as frequency
 278         // tmp still contain pointer to null-terminated string with channel number here
 279         if (atoi(tmp)>1000){
 280             tv_channel_current->freq=atoi(tmp);
 281         }else{
 282             tv_channel_current->freq = 0;
 283             for (i = 0; i < chanlists[tvh->chanlist].count; i++) {
 284                 cl = tvh->chanlist_s[i];
 285                 if (!strcasecmp(cl.name, tv_channel_current->number)) {
 286                     tv_channel_current->freq=cl.freq;
 287                     break;
 288                 }
 289             }
 290         }
 291         if (tv_channel_current->freq == 0)
 292             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_NoFreqForChannel,
 293                             tv_channel_current->number, tv_channel_current->name);
 294         else {
 295           sep = strchr(tv_channel_current->name, '-');
 296           if ( !sep ) sep = strchr(tv_channel_current->name, '+');
 297
 298           if ( sep ) {
 299             i = atoi (sep+1);
 300             if ( sep[0] == '+' ) tv_channel_current->freq += i * 100;
 301             if ( sep[0] == '-' ) tv_channel_current->freq -= i * 100;
 302             sep[0] = '\0';
 303           }
 304
 305           sep = strchr(tv_channel_current->name, '=');
 306           if ( sep ) {
 307             tv_channel_current->norm = norm_from_string(tvh, sep+1);
 308             sep[0] = '\0';
 309           }
 310         }
 311
 312         /*mp_msg(MSGT_TV, MSGL_INFO, "-- Detected channel %s - %s (%5.3f)\n",
 313                         tv_channel_current->number, tv_channel_current->name,
 314                         (float)tv_channel_current->freq/1000);*/
 315
 316         tv_channel_current->next = malloc(sizeof(tv_channels_t));
 317         tv_channel_current->next->index = tv_channel_current->index + 1;
 318         tv_channel_current->next->prev = tv_channel_current;
 319         tv_channel_current->next->next = NULL;
 320         tv_channel_current = tv_channel_current->next;
 321         tv_channel_current->norm = tvh->norm;
 322     }
 323     if (tv_channel_current->prev)
 324         tv_channel_current->prev->next = NULL;
 325     free(tv_channel_current);
 326 }
 327
 328 int tv_set_norm(tvi_handle_t *tvh, char* norm)
 329 {
 330     tvh->norm = norm_from_string(tvh, norm);
 331
 332     mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedNorm, norm);
 333     if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
 334         mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_CannotSetNorm);
 335         return 0;
 336     }
 337     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
 338     return 1;
 339 }
 340
 341 int tv_set_norm_i(tvi_handle_t *tvh, int norm)
 342 {
 343    tvh->norm = norm;
 344
 345    mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedNormId, norm);
 346    if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
 347       mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_CannotSetNorm);
 348       return 0;
 349    }
 350
 351    tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
 352    return 1;
 353 }
 354
 355 static int open_tv(tvi_handle_t *tvh)
 356 {
 357     int i;
 358     const tvi_functions_t *funcs = tvh->functions;
 359     int tv_fmt_list[] = {
 360       IMGFMT_YV12,
 361       IMGFMT_I420,
 362       IMGFMT_UYVY,
 363       IMGFMT_YUY2,
 364       IMGFMT_RGB32,
 365       IMGFMT_RGB24,
 366       IMGFMT_RGB16,
 367       IMGFMT_RGB15
 368     };
 369
 370     if (funcs->control(tvh->priv, TVI_CONTROL_IS_VIDEO, 0) != TVI_CONTROL_TRUE)
 371     {
 372         mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_NoVideoInputPresent);
 373         return 0;
 374     }
 375
 376     if (tvh->tv_param->outfmt == -1)
 377       for (i = 0; i < sizeof (tv_fmt_list) / sizeof (*tv_fmt_list); i++)
 378         {
 379           tvh->tv_param->outfmt = tv_fmt_list[i];
 380           if (funcs->control (tvh->priv, TVI_CONTROL_VID_SET_FORMAT,
 381                               &tvh->tv_param->outfmt) == TVI_CONTROL_TRUE)
 382             break;
 383         }
 384     else
 385     {
 386     switch(tvh->tv_param->outfmt)
 387     {
 388         case IMGFMT_YV12:
 389         case IMGFMT_I420:
 390         case IMGFMT_UYVY:
 391         case IMGFMT_YUY2:
 392         case IMGFMT_RGB32:
 393         case IMGFMT_RGB24:
 394         case IMGFMT_BGR32:
 395         case IMGFMT_BGR24:
 396         case IMGFMT_BGR16:
 397         case IMGFMT_BGR15:
 398             break;
 399         default:
 400             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnknownImageFormat,tvh->tv_param->outfmt);
 401     }
 402     funcs->control(tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &tvh->tv_param->outfmt);
 403     }
 404
 405     /* set some params got from cmdline */
 406     funcs->control(tvh->priv, TVI_CONTROL_SPC_SET_INPUT, &tvh->tv_param->input);
 407
 408 #if defined(CONFIG_TV_V4L2) || defined(CONFIG_TV_DSHOW)
 409     if (0
 410 #ifdef CONFIG_TV_V4L2
 411     || (!strcmp(tvh->tv_param->driver, "v4l2") && tvh->tv_param->normid >= 0)
 412 #endif
 413 #ifdef CONFIG_TV_DSHOW
 414     || (!strcmp(tvh->tv_param->driver, "dshow") && tvh->tv_param->normid >= 0)
 415 #endif
 416     )
 417         tv_set_norm_i(tvh, tvh->tv_param->normid);
 418     else
 419 #endif
 420     tv_set_norm(tvh,tvh->tv_param->norm);
 421
 422 #ifdef CONFIG_TV_V4L1
 423     if ( tvh->tv_param->mjpeg )
 424     {
 425       /* set width to expected value */
 426       if (tvh->tv_param->width == -1)
 427         {
 428           tvh->tv_param->width = 704/tvh->tv_param->decimation;
 429         }
 430       if (tvh->tv_param->height == -1)
 431         {
 432           if ( tvh->norm != TV_NORM_NTSC )
 433             tvh->tv_param->height = 576/tvh->tv_param->decimation;
 434           else
 435             tvh->tv_param->height = 480/tvh->tv_param->decimation;
 436         }
 437       mp_msg(MSGT_TV, MSGL_INFO,
 438                MSGTR_TV_MJP_WidthHeight, tvh->tv_param->width, tvh->tv_param->height);
 439     }
 440 #endif
 441
 442     /* limits on w&h are norm-dependent -- JM */
 443     if (tvh->tv_param->width != -1 && tvh->tv_param->height != -1) {
 444         // first tell the driver both width and height, some drivers do not support setting them independently.
 445         int dim[2];
 446         dim[0] = tvh->tv_param->width; dim[1] = tvh->tv_param->height;
 447         funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH_HEIGHT, dim);
 448     }
 449     /* set width */
 450     if (tvh->tv_param->width != -1)
 451     {
 452         if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_WIDTH, &tvh->tv_param->width) == TVI_CONTROL_TRUE)
 453             funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH, &tvh->tv_param->width);
 454         else
 455         {
 456             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnableToSetWidth, tvh->tv_param->width);
 457             funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &tvh->tv_param->width);
 458         }
 459     }
 460
 461     /* set height */
 462     if (tvh->tv_param->height != -1)
 463     {
 464         if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_HEIGHT, &tvh->tv_param->height) == TVI_CONTROL_TRUE)
 465             funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HEIGHT, &tvh->tv_param->height);
 466         else
 467         {
 468             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnableToSetHeight, tvh->tv_param->height);
 469             funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &tvh->tv_param->height);
 470         }
 471     }
 472
 473     if (funcs->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
 474     {
 475         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_NoTuner);
 476         goto done;
 477     }
 478
 479     /* select channel list */
 480     for (i = 0; chanlists[i].name != NULL; i++)
 481     {
 482         if (!strcasecmp(chanlists[i].name, tvh->tv_param->chanlist))
 483         {
 484             tvh->chanlist = i;
 485             tvh->chanlist_s = chanlists[i].list;
 486             break;
 487         }
 488     }
 489
 490     if (tvh->chanlist == -1)
 491         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_UnableFindChanlist,
 492             tvh->tv_param->chanlist);
 493     else
 494         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedChanlist,
 495             chanlists[tvh->chanlist].name, chanlists[tvh->chanlist].count);
 496
 497     if (tvh->tv_param->freq && tvh->tv_param->channel)
 498     {
 499         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_ChannelFreqParamConflict);
 500         goto done;
 501     }
 502
 503     /* Handle channel names */
 504     if (tvh->tv_param->channels) {
 505         parse_channels(tvh);
 506     } else
 507             tv_channel_last_real = malloc(5);
 508
 509     if (tv_channel_list) {
 510         int i;
 511         int channel = 0;
 512         if (tvh->tv_param->channel)
 513          {
 514            if (isdigit(*tvh->tv_param->channel))
 515                 /* if tvh->tv_param->channel begins with a digit interpret it as a number */
 516                 channel = atoi(tvh->tv_param->channel);
 517            else
 518               {
 519                 /* if tvh->tv_param->channel does not begin with a digit
 520                    set the first channel that contains tvh->tv_param->channel in its name */
 521
 522                 tv_channel_current = tv_channel_list;
 523                 while ( tv_channel_current ) {
 524                         if ( strstr(tv_channel_current->name, tvh->tv_param->channel) )
 525                           break;
 526                         tv_channel_current = tv_channel_current->next;
 527                         }
 528                 if ( !tv_channel_current ) tv_channel_current = tv_channel_list;
 529               }
 530          }
 531         else
 532                 channel = 1;
 533
 534         if ( channel ) {
 535         tv_channel_current = tv_channel_list;
 536         for (i = 1; i < channel; i++)
 537                 if (tv_channel_current->next)
 538                         tv_channel_current = tv_channel_current->next;
 539         }
 540
 541         mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3, tv_channel_current->number,
 542                         tv_channel_current->name, (float)tv_channel_current->freq/1000);
 543         tv_set_norm_i(tvh, tv_channel_current->norm);
 544         tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 545         tv_channel_last = tv_channel_current;
 546     } else {
 547     /* we need to set frequency */
 548     if (tvh->tv_param->freq)
 549     {
 550         unsigned long freq = atof(tvh->tv_param->freq)*16;
 551
 552         /* set freq in MHz */
 553         funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
 554
 555         funcs->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
 556         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedFrequency,
 557             freq, (float)freq/16);
 558     }
 559
 560             if (tvh->tv_param->channel) {
 561         struct CHANLIST cl;
 562
 563         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_RequestedChannel, tvh->tv_param->channel);
 564         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 565         {
 566             cl = tvh->chanlist_s[i];
 567                     //  printf("count%d: name: %s, freq: %d\n",
 568                     //  i, cl.name, cl.freq);
 569             if (!strcasecmp(cl.name, tvh->tv_param->channel))
 570             {
 571                         strcpy(tv_channel_last_real, cl.name);
 572                 tvh->channel = i;
 573                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
 574                     cl.name, (float)cl.freq/1000);
 575                 tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 576                 break;
 577             }
 578         }
 579     }
 580     }
 581
 582     /* grep frequency in chanlist */
 583     {
 584         unsigned long i2;
 585         int freq;
 586
 587         tv_get_freq(tvh, &i2);
 588
 589         freq = (int) (((float)(i2/16))*1000)+250;
 590
 591         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 592         {
 593             if (tvh->chanlist_s[i].freq == freq)
 594             {
 595                 tvh->channel = i+1;
 596                 break;
 597             }
 598         }
 599     }
 600
 601 done:
 602     /* also start device! */
 603         return 1;
 604 }
 605
 606 static tvi_handle_t *tv_begin(tv_param_t* tv_param)
 607 {
 608     int i;
 609     tvi_handle_t* h;
 610     if(tv_param->driver && !strcmp(tv_param->driver,"help")){
 611         mp_msg(MSGT_TV,MSGL_INFO,MSGTR_TV_AvailableDrivers);
 612         for(i=0;tvi_driver_list[i];i++){
 613             mp_msg(MSGT_TV,MSGL_INFO," %s\t%s",tvi_driver_list[i]->short_name,tvi_driver_list[i]->name);
 614             if(tvi_driver_list[i]->comment)
 615                 mp_msg(MSGT_TV,MSGL_INFO," (%s)",tvi_driver_list[i]->comment);
 616             mp_msg(MSGT_TV,MSGL_INFO,"\n");
 617         }
 618         return NULL;
 619     }
 620
 621     for(i=0;tvi_driver_list[i];i++){
 622         if (!tv_param->driver || !strcmp(tvi_driver_list[i]->short_name, tv_param->driver)){
 623             h=tvi_driver_list[i]->tvi_init(tv_param);
 624             //Requested driver initialization failed
 625             if (!h && tv_param->driver)
 626                 return NULL;
 627             //Driver initialization failed during autodetection process.
 628             if (!h)
 629                 continue;
 630
 631             h->tv_param=tv_param;
 632             mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_DriverInfo, tvi_driver_list[i]->short_name,
 633             tvi_driver_list[i]->name,
 634             tvi_driver_list[i]->author,
 635             tvi_driver_list[i]->comment?tvi_driver_list[i]->comment:"");
 636             tv_param->driver=strdup(tvi_driver_list[i]->short_name);
 637             return h;
 638         }
 639     }
 640
 641     if(tv_param->driver)
 642         mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_NoSuchDriver, tv_param->driver);
 643     else
 644         mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_DriverAutoDetectionFailed);
 645     return NULL;
 646 }
 647
 648 static int tv_uninit(tvi_handle_t *tvh)
 649 {
 650     int res;
 651     if(!tvh) return 1;
 652     if (!tvh->priv) return 1;
 653     res=tvh->functions->uninit(tvh->priv);
 654     if(res) {
 655         free(tvh->priv);
 656         tvh->priv=NULL;
 657     }
 658     return res;
 659 }
 660
 661 static demuxer_t* demux_open_tv(demuxer_t *demuxer)
 662 {
 663     tvi_handle_t *tvh;
 664     sh_video_t *sh_video;
 665     sh_audio_t *sh_audio = NULL;
 666     const tvi_functions_t *funcs;
 667
 668     demuxer->priv=NULL;
 669     if(!(tvh=tv_begin(demuxer->stream->priv))) return NULL;
 670     if (!tvh->functions->init(tvh->priv)) return NULL;
 671
 672     tvh->functions->control(tvh->priv,TVI_CONTROL_VBI_INIT,&(tvh->tv_param->tdevice));
 673
 674     if (!open_tv(tvh)){
 675         tv_uninit(tvh);
 676         return NULL;
 677     }
 678     funcs = tvh->functions;
 679     demuxer->priv=tvh;
 680
 681     sh_video = new_sh_video(demuxer, 0);
 682
 683     /* get IMAGE FORMAT */
 684     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FORMAT, &sh_video->format);
 685 //    if (IMGFMT_IS_RGB(sh_video->format) || IMGFMT_IS_BGR(sh_video->format))
 686 //      sh_video->format = 0x0;
 687
 688     /* set FPS and FRAMETIME */
 689
 690     if(!sh_video->fps)
 691     {
 692         float tmp;
 693         if (funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FPS, &tmp) != TVI_CONTROL_TRUE)
 694              sh_video->fps = 25.0f; /* on PAL */
 695         else sh_video->fps = tmp;
 696     }
 697
 698     if (tvh->tv_param->fps != -1.0f)
 699         sh_video->fps = tvh->tv_param->fps;
 700
 701     sh_video->frametime = 1.0f/sh_video->fps;
 702
 703     /* If playback only mode, go to immediate mode, fail silently */
 704     if(tvh->tv_param->immediate == 1)
 705         {
 706         funcs->control(tvh->priv, TVI_CONTROL_IMMEDIATE, 0);
 707         tvh->tv_param->noaudio = 1;
 708         }
 709
 710     /* disable TV audio if -nosound is present */
 711     if (!demuxer->audio || demuxer->audio->id == -2) {
 712         tvh->tv_param->noaudio = 1;
 713     }
 714
 715     /* set width */
 716     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &sh_video->disp_w);
 717
 718     /* set height */
 719     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &sh_video->disp_h);
 720
 721     demuxer->video->sh = sh_video;
 722     sh_video->ds = demuxer->video;
 723     demuxer->video->id = 0;
 724     demuxer->seekable = 0;
 725
 726     /* here comes audio init */
 727     if (tvh->tv_param->noaudio == 0 && funcs->control(tvh->priv, TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
 728     {
 729         int audio_format;
 730         int sh_audio_format;
 731         char buf[128];
 732
 733         /* yeah, audio is present */
 734
 735         funcs->control(tvh->priv, TVI_CONTROL_AUD_SET_SAMPLERATE,
 736                                   &tvh->tv_param->audiorate);
 737
 738         if (funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_FORMAT, &audio_format) != TVI_CONTROL_TRUE)
 739             goto no_audio;
 740
 741         switch(audio_format)
 742         {
 743             case AF_FORMAT_U8:
 744             case AF_FORMAT_S8:
 745             case AF_FORMAT_U16_LE:
 746             case AF_FORMAT_U16_BE:
 747             case AF_FORMAT_S16_LE:
 748             case AF_FORMAT_S16_BE:
 749             case AF_FORMAT_S32_LE:
 750             case AF_FORMAT_S32_BE:
 751                 sh_audio_format = 0x1; /* PCM */
 752                 break;
 753             case AF_FORMAT_IMA_ADPCM:
 754             case AF_FORMAT_MU_LAW:
 755             case AF_FORMAT_A_LAW:
 756             case AF_FORMAT_MPEG2:
 757             case AF_FORMAT_AC3:
 758             default:
 759                 mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnsupportedAudioType,
 760                     af_fmt2str(audio_format, buf, 128), audio_format);
 761                 goto no_audio;
 762         }
 763
 764         sh_audio = new_sh_audio(demuxer, 0);
 765
 766         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLERATE,
 767                    &sh_audio->samplerate);
 768         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLESIZE,
 769                    &sh_audio->samplesize);
 770         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_CHANNELS,
 771                    &sh_audio->channels);
 772
 773         sh_audio->format = sh_audio_format;
 774         sh_audio->sample_format = audio_format;
 775
 776         sh_audio->i_bps = sh_audio->o_bps =
 777             sh_audio->samplerate * sh_audio->samplesize *
 778             sh_audio->channels;
 779
 780         // emulate WF for win32 codecs:
 781         sh_audio->wf = malloc(sizeof(WAVEFORMATEX));
 782         sh_audio->wf->wFormatTag = sh_audio->format;
 783         sh_audio->wf->nChannels = sh_audio->channels;
 784         sh_audio->wf->wBitsPerSample = sh_audio->samplesize * 8;
 785         sh_audio->wf->nSamplesPerSec = sh_audio->samplerate;
 786         sh_audio->wf->nBlockAlign = sh_audio->samplesize * sh_audio->channels;
 787         sh_audio->wf->nAvgBytesPerSec = sh_audio->i_bps;
 788
 789         mp_msg(MSGT_DECVIDEO, MSGL_V, MSGTR_TV_AudioFormat,
 790           sh_audio->wf->nChannels, sh_audio->wf->wBitsPerSample,
 791           sh_audio->wf->nSamplesPerSec);
 792
 793         demuxer->audio->sh = sh_audio;
 794         sh_audio->ds = demuxer->audio;
 795         demuxer->audio->id = 0;
 796     }
 797 no_audio:
 798
 799     if(!(funcs->start(tvh->priv))){
 800         // start failed :(
 801         tv_uninit(tvh);
 802         return NULL;
 803     }
 804
 805     /* set color eq */
 806     tv_set_color_options(tvh, TV_COLOR_BRIGHTNESS, tvh->tv_param->brightness);
 807     tv_set_color_options(tvh, TV_COLOR_HUE, tvh->tv_param->hue);
 808     tv_set_color_options(tvh, TV_COLOR_SATURATION, tvh->tv_param->saturation);
 809     tv_set_color_options(tvh, TV_COLOR_CONTRAST, tvh->tv_param->contrast);
 810
 811     if(tvh->tv_param->gain!=-1)
 812         if(funcs->control(tvh->priv,TVI_CONTROL_VID_SET_GAIN,&tvh->tv_param->gain)!=TVI_CONTROL_TRUE)
 813             mp_msg(MSGT_TV,MSGL_WARN,"Unable to set gain control!\n");
 814
 815     funcs->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
 816
 817     return demuxer;
 818 }
 819
 820 static void demux_close_tv(demuxer_t *demuxer)
 821 {
 822     tvi_handle_t *tvh=(tvi_handle_t*)(demuxer->priv);
 823     if (!tvh) return;
 824     tv_uninit(tvh);
 825     free(tvh);
 826     demuxer->priv=NULL;
 827 }
 828
 829 /* utilities for mplayer (not mencoder!!) */
 830 int tv_set_color_options(tvi_handle_t *tvh, int opt, int value)
 831 {
 832     const tvi_functions_t *funcs = tvh->functions;
 833
 834     switch(opt)
 835     {
 836         case TV_COLOR_BRIGHTNESS:
 837             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_BRIGHTNESS, &value);
 838         case TV_COLOR_HUE:
 839             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HUE, &value);
 840         case TV_COLOR_SATURATION:
 841             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_SATURATION, &value);
 842         case TV_COLOR_CONTRAST:
 843             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_CONTRAST, &value);
 844         default:
 845             mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_UnknownColorOption, opt);
 846     }
 847
 848     return TVI_CONTROL_UNKNOWN;
 849 }
 850
 851 int tv_get_color_options(tvi_handle_t *tvh, int opt, int* value)
 852 {
 853     const tvi_functions_t *funcs = tvh->functions;
 854
 855     switch(opt)
 856     {
 857         case TV_COLOR_BRIGHTNESS:
 858             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_BRIGHTNESS, value);
 859         case TV_COLOR_HUE:
 860             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HUE, value);
 861         case TV_COLOR_SATURATION:
 862             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_SATURATION, value);
 863         case TV_COLOR_CONTRAST:
 864             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_CONTRAST, value);
 865         default:
 866             mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_UnknownColorOption, opt);
 867     }
 868
 869     return TVI_CONTROL_UNKNOWN;
 870 }
 871
 872 int tv_get_freq(tvi_handle_t *tvh, unsigned long *freq)
 873 {
 874     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) == TVI_CONTROL_TRUE)
 875     {
 876         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, freq);
 877         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_CurrentFrequency,
 878             *freq, (float)*freq/16);
 879     }
 880     return 1;
 881 }
 882
 883 int tv_set_freq(tvi_handle_t *tvh, unsigned long freq)
 884 {
 885     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) == TVI_CONTROL_TRUE)
 886     {
 887 //      unsigned long freq = atof(tvh->tv_param->freq)*16;
 888
 889         /* set freq in MHz */
 890         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
 891
 892         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
 893         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_CurrentFrequency,
 894             freq, (float)freq/16);
 895     }
 896     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
 897     return 1;
 898 }
 899
 900 int tv_get_signal(tvi_handle_t *tvh)
 901 {
 902     int signal=0;
 903     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE ||
 904         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_SIGNAL, &signal)!=TVI_CONTROL_TRUE)
 905         return 0;
 906
 907     return signal;
 908 }
 909
 910 /*****************************************************************
 911  * \brief tune current frequency by step_interval value
 912  * \parameter step_interval increment value in 1/16 MHz
 913  * \note frequency is rounded to 1/16 MHz value
 914  * \return 1
 915  *
 916  */
 917 int tv_step_freq(tvi_handle_t* tvh, float step_interval){
 918     unsigned long frequency;
 919
 920     tvh->tv_param->scan=0;
 921     tv_get_freq(tvh,&frequency);
 922     frequency+=step_interval;
 923     return tv_set_freq(tvh,frequency);
 924 }
 925
 926 int tv_step_channel_real(tvi_handle_t *tvh, int direction)
 927 {
 928     struct CHANLIST cl;
 929
 930     tvh->tv_param->scan=0;
 931     if (direction == TV_CHANNEL_LOWER)
 932     {
 933         if (tvh->channel-1 >= 0)
 934         {
 935             strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 936             cl = tvh->chanlist_s[--tvh->channel];
 937             mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
 938                 cl.name, (float)cl.freq/1000);
 939             tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 940         }
 941     }
 942
 943     if (direction == TV_CHANNEL_HIGHER)
 944     {
 945         if (tvh->channel+1 < chanlists[tvh->chanlist].count)
 946         {
 947             strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 948             cl = tvh->chanlist_s[++tvh->channel];
 949             mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
 950                 cl.name, (float)cl.freq/1000);
 951             tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 952         }
 953     }
 954     return 1;
 955 }
 956
 957 int tv_step_channel(tvi_handle_t *tvh, int direction) {
 958         tvh->tv_param->scan=0;
 959         if (tv_channel_list) {
 960                 if (direction == TV_CHANNEL_HIGHER) {
 961                         tv_channel_last = tv_channel_current;
 962                         if (tv_channel_current->next)
 963                                 tv_channel_current = tv_channel_current->next;
 964                         else
 965                                 tv_channel_current = tv_channel_list;
 966
 967                                 tv_set_norm_i(tvh, tv_channel_current->norm);
 968                                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 969                                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3,
 970                         tv_channel_current->number, tv_channel_current->name, (float)tv_channel_current->freq/1000);
 971                 }
 972                 if (direction == TV_CHANNEL_LOWER) {
 973                         tv_channel_last = tv_channel_current;
 974                         if (tv_channel_current->prev)
 975                                 tv_channel_current = tv_channel_current->prev;
 976                         else
 977                                 while (tv_channel_current->next)
 978                                         tv_channel_current = tv_channel_current->next;
 979                                 tv_set_norm_i(tvh, tv_channel_current->norm);
 980                                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 981                                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3,
 982                         tv_channel_current->number, tv_channel_current->name, (float)tv_channel_current->freq/1000);
 983                 }
 984         } else tv_step_channel_real(tvh, direction);
 985         return 1;
 986 }
 987
 988 int tv_set_channel_real(tvi_handle_t *tvh, char *channel) {
 989         int i;
 990         struct CHANLIST cl;
 991
 992         tvh->tv_param->scan=0;
 993         strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 994         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 995         {
 996             cl = tvh->chanlist_s[i];
 997 //          printf("count%d: name: %s, freq: %d\n",
 998 //              i, cl.name, cl.freq);
 999             if (!strcasecmp(cl.name, channel))
1000             {
1001                 tvh->channel = i;
1002                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
1003                     cl.name, (float)cl.freq/1000);
1004                 tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
1005                 break;
1006             }
1007         }
1008         return 1;
1009 }
1010
1011 int tv_set_channel(tvi_handle_t *tvh, char *channel) {
1012         int i, channel_int;
1013
1014         tvh->tv_param->scan=0;
1015         if (tv_channel_list) {
1016                 tv_channel_last = tv_channel_current;
1017                 channel_int = atoi(channel);
1018                 tv_channel_current = tv_channel_list;
1019                 for (i = 1; i < channel_int; i++)
1020                         if (tv_channel_current->next)
1021                                 tv_channel_current = tv_channel_current->next;
1022                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3, tv_channel_current->number,
1023                                 tv_channel_current->name, (float)tv_channel_current->freq/1000);
1024                 tv_set_norm_i(tvh, tv_channel_current->norm);
1025                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
1026         } else tv_set_channel_real(tvh, channel);
1027         return 1;
1028 }
1029
1030 int tv_last_channel(tvi_handle_t *tvh) {
1031
1032         tvh->tv_param->scan=0;
1033         if (tv_channel_list) {
1034                 tv_channels_t *tmp;
1035
1036                 tmp = tv_channel_last;
1037                 tv_channel_last = tv_channel_current;
1038                 tv_channel_current = tmp;
1039
1040                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3, tv_channel_current->number,
1041                                 tv_channel_current->name, (float)tv_channel_current->freq/1000);
1042                 tv_set_norm_i(tvh, tv_channel_current->norm);
1043                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
1044         } else {
1045                 int i;
1046                 struct CHANLIST cl;
1047
1048                 for (i = 0; i < chanlists[tvh->chanlist].count; i++)
1049                 {
1050                     cl = tvh->chanlist_s[i];
1051                     if (!strcasecmp(cl.name, tv_channel_last_real))
1052                     {
1053                         strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
1054                         tvh->channel = i;
1055                         mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
1056                             cl.name, (float)cl.freq/1000);
1057                         tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
1058                         break;
1059                     }
1060                 }
1061         }
1062         return 1;
1063 }
1064
1065 int tv_step_norm(tvi_handle_t *tvh)
1066 {
1067   tvh->norm++;
1068   if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM,
1069                               &tvh->norm) != TVI_CONTROL_TRUE) {
1070     tvh->norm = 0;
1071     if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM,
1072                                 &tvh->norm) != TVI_CONTROL_TRUE) {
1073       mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_CannotSetNorm);
1074       return 0;
1075     }
1076   }
1077     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
1078     return 1;
1079 }
1080
1081 int tv_step_chanlist(tvi_handle_t *tvh)
1082 {
1083     return 1;
1084 }
1085
1086 demuxer_desc_t demuxer_desc_tv = {
1087   "Tv card demuxer",
1088   "tv",
1089   "TV",
1090   "Alex Beregszaszi, Charles R. Henrich",
1091   "?",
1092   DEMUXER_TYPE_TV,
1093   0, // no autodetect
1094   NULL,
1095   demux_tv_fill_buffer,
1096   demux_open_tv,
1097   demux_close_tv,
1098   NULL,
1099   NULL
1100 };