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 "libavutil/avstring.h"
  33 #include "osdep/timer.h"
  34
  35 #include "tv.h"
  36
  37 #include "frequencies.h"
  38
  39 tv_channels_t *tv_channel_list;
  40 tv_channels_t *tv_channel_current, *tv_channel_last;
  41 char *tv_channel_last_real;
  42
  43 /* enumerating drivers (like in stream.c) */
  44 extern const tvi_info_t tvi_info_dummy;
  45 extern const tvi_info_t tvi_info_dshow;
  46 extern const tvi_info_t tvi_info_v4l;
  47 extern const tvi_info_t tvi_info_v4l2;
  48 extern const tvi_info_t tvi_info_bsdbt848;
  49
  50 /** List of drivers in autodetection order */
  51 static const tvi_info_t* tvi_driver_list[]={
  52 #ifdef CONFIG_TV_V4L2
  53     &tvi_info_v4l2,
  54 #endif
  55 #ifdef CONFIG_TV_V4L1
  56     &tvi_info_v4l,
  57 #endif
  58 #ifdef CONFIG_TV_BSDBT848
  59     &tvi_info_bsdbt848,
  60 #endif
  61 #ifdef CONFIG_TV_DSHOW
  62     &tvi_info_dshow,
  63 #endif
  64     &tvi_info_dummy,
  65     NULL
  66 };
  67
  68 void tv_start_scan(tvi_handle_t *tvh, int start)
  69 {
  70     mp_msg(MSGT_TV,MSGL_INFO,"start scan\n");
  71     tvh->tv_param->scan=start?1:0;
  72 }
  73
  74 static void tv_scan(tvi_handle_t *tvh)
  75 {
  76     unsigned int now;
  77     struct CHANLIST cl;
  78     tv_channels_t *tv_channel_tmp=NULL;
  79     tv_channels_t *tv_channel_add=NULL;
  80     tv_scan_t* scan;
  81     int found=0, index=1;
  82
  83     //Channel scanner without tuner is useless and causes crash due to uninitialized chanlist_s
  84     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
  85     {
  86         mp_tmsg(MSGT_TV, MSGL_WARN, "Channel scanner is not available without tuner\n");
  87         tvh->tv_param->scan=0;
  88         return;
  89     }
  90
  91     scan = tvh->scan;
  92     now=GetTimer();
  93     if (!scan) {
  94         scan=calloc(1,sizeof(tv_scan_t));
  95         tvh->scan=scan;
  96         cl = tvh->chanlist_s[scan->channel_num];
  97         tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
  98         scan->scan_timer=now+1e6*tvh->tv_param->scan_period;
  99     }
 100     if(scan->scan_timer>now)
 101         return;
 102
 103     if (tv_get_signal(tvh)>tvh->tv_param->scan_threshold) {
 104         cl = tvh->chanlist_s[scan->channel_num];
 105         tv_channel_tmp=tv_channel_list;
 106         while (tv_channel_tmp) {
 107             index++;
 108             if (cl.freq==tv_channel_tmp->freq){
 109                 found=1;
 110                 break;
 111             }
 112             tv_channel_add=tv_channel_tmp;
 113             tv_channel_tmp=tv_channel_tmp->next;
 114         }
 115         if (!found) {
 116             mp_msg(MSGT_TV, MSGL_INFO, "Found new channel: %s (#%d). \n",cl.name,index);
 117             scan->new_channels++;
 118             tv_channel_tmp = malloc(sizeof(tv_channels_t));
 119             tv_channel_tmp->index=index;
 120             tv_channel_tmp->next=NULL;
 121             tv_channel_tmp->prev=tv_channel_add;
 122             tv_channel_tmp->freq=cl.freq;
 123             snprintf(tv_channel_tmp->name,sizeof(tv_channel_tmp->name),"ch%d",index);
 124             strncpy(tv_channel_tmp->number, cl.name, 5);
 125             tv_channel_tmp->number[4]='\0';
 126             if (!tv_channel_list)
 127                 tv_channel_list=tv_channel_tmp;
 128             else {
 129                 tv_channel_add->next=tv_channel_tmp;
 130                 tv_channel_list->prev=tv_channel_tmp;
 131             }
 132         }else
 133             mp_msg(MSGT_TV, MSGL_INFO, "Found existing channel: %s-%s.\n",
 134                 tv_channel_tmp->number,tv_channel_tmp->name);
 135     }
 136     scan->channel_num++;
 137     scan->scan_timer=now+1e6*tvh->tv_param->scan_period;
 138     if (scan->channel_num>=chanlists[tvh->chanlist].count) {
 139         tvh->tv_param->scan=0;
 140         mp_msg(MSGT_TV, MSGL_INFO, "TV scan end. Found %d new channels.\n", scan->new_channels);
 141         tv_channel_tmp=tv_channel_list;
 142         if(tv_channel_tmp){
 143             mp_msg(MSGT_TV,MSGL_INFO,"channels=");
 144             while(tv_channel_tmp){
 145                 mp_msg(MSGT_TV,MSGL_INFO,"%s-%s",tv_channel_tmp->number,tv_channel_tmp->name);
 146                 if(tv_channel_tmp->next)
 147                     mp_msg(MSGT_TV,MSGL_INFO,",");
 148                 tv_channel_tmp=tv_channel_tmp->next;
 149             }
 150             mp_msg(MSGT_TV, MSGL_INFO, "\n");
 151         }
 152         if (!tv_channel_current) tv_channel_current=tv_channel_list;
 153         if (tv_channel_current)
 154             tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 155         free(tvh->scan);
 156         tvh->scan=NULL;
 157     }else{
 158         cl = tvh->chanlist_s[scan->channel_num];
 159         tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 160         mp_msg(MSGT_TV, MSGL_INFO, "Trying: %s (%.2f). \n",cl.name,1e-3*cl.freq);
 161     }
 162 }
 163
 164 /* ================== DEMUX_TV ===================== */
 165 /*
 166   Return value:
 167     0 = EOF(?) or no stream
 168     1 = successfully read a packet
 169 */
 170 /* fill demux->video and demux->audio */
 171
 172 static int demux_tv_fill_buffer(demuxer_t *demux, demux_stream_t *ds)
 173 {
 174     tvi_handle_t *tvh=(tvi_handle_t*)(demux->priv);
 175     demux_packet_t* dp;
 176     unsigned int len=0;
 177
 178     /* ================== ADD AUDIO PACKET =================== */
 179
 180     if (ds==demux->audio && tvh->tv_param->noaudio == 0 &&
 181         tvh->functions->control(tvh->priv,
 182                                 TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
 183         {
 184         len = tvh->functions->get_audio_framesize(tvh->priv);
 185
 186         dp=new_demux_packet(len);
 187         dp->flags|=1; /* Keyframe */
 188         dp->pts=tvh->functions->grab_audio_frame(tvh->priv, dp->buffer,len);
 189         ds_add_packet(demux->audio,dp);
 190         }
 191
 192     /* ================== ADD VIDEO PACKET =================== */
 193
 194     if (ds==demux->video && tvh->functions->control(tvh->priv,
 195                             TVI_CONTROL_IS_VIDEO, 0) == TVI_CONTROL_TRUE)
 196         {
 197                 len = tvh->functions->get_video_framesize(tvh->priv);
 198         dp=new_demux_packet(len);
 199                 dp->flags|=1; /* Keyframe */
 200                 dp->pts=tvh->functions->grab_video_frame(tvh->priv, dp->buffer, len);
 201                 ds_add_packet(demux->video,dp);
 202          }
 203
 204     if (tvh->tv_param->scan) tv_scan(tvh);
 205     return 1;
 206 }
 207
 208 static int norm_from_string(tvi_handle_t *tvh, char* norm)
 209 {
 210     const tvi_functions_t *funcs = tvh->functions;
 211     char str[20];
 212     int ret;
 213
 214     strncpy(str, norm, sizeof(str)-1);
 215     str[sizeof(str)-1] = '\0';
 216     ret=funcs->control(tvh->priv, TVI_CONTROL_SPC_GET_NORMID, str);
 217
 218     if(ret==TVI_CONTROL_TRUE)
 219         return *(int *)str;
 220
 221     if(ret!=TVI_CONTROL_UNKNOWN)
 222     {
 223         mp_tmsg(MSGT_TV, MSGL_WARN, "tv.c: norm_from_string(%s): Bogus norm parameter, setting %s.\n", norm,"default");
 224         return 0;
 225     }
 226
 227     if (!strcasecmp(norm, "pal"))
 228         return TV_NORM_PAL;
 229     else if (!strcasecmp(norm, "ntsc"))
 230         return TV_NORM_NTSC;
 231     else if (!strcasecmp(norm, "secam"))
 232         return TV_NORM_SECAM;
 233     else if (!strcasecmp(norm, "palnc"))
 234         return TV_NORM_PALNC;
 235     else if (!strcasecmp(norm, "palm"))
 236         return TV_NORM_PALM;
 237     else if (!strcasecmp(norm, "paln"))
 238         return TV_NORM_PALN;
 239     else if (!strcasecmp(norm, "ntscjp"))
 240         return TV_NORM_NTSCJP;
 241     else {
 242         mp_tmsg(MSGT_TV, MSGL_WARN, "tv.c: norm_from_string(%s): Bogus norm parameter, setting %s.\n", norm, "PAL");
 243         return TV_NORM_PAL;
 244     }
 245 }
 246
 247 static void parse_channels(tvi_handle_t *tvh)
 248 {
 249     char** channels = tvh->tv_param->channels;
 250
 251     mp_tmsg(MSGT_TV, MSGL_INFO, "TV channel names detected.\n");
 252     tv_channel_list = malloc(sizeof(tv_channels_t));
 253     tv_channel_list->index=1;
 254     tv_channel_list->next=NULL;
 255     tv_channel_list->prev=NULL;
 256     tv_channel_current = tv_channel_list;
 257     tv_channel_current->norm = tvh->norm;
 258
 259     while (*channels) {
 260         char* tmp = *(channels++);
 261         char* sep = strchr(tmp,'-');
 262         int i;
 263         struct CHANLIST cl;
 264
 265         if (!sep) continue; // Wrong syntax, but mplayer should not crash
 266
 267         av_strlcpy(tv_channel_current->name, sep + 1,
 268                         sizeof(tv_channel_current->name));
 269         sep[0] = '\0';
 270         strncpy(tv_channel_current->number, tmp, 5);
 271         tv_channel_current->number[4]='\0';
 272
 273         while ((sep=strchr(tv_channel_current->name, '_')))
 274             sep[0] = ' ';
 275
 276         // if channel number is a number and larger than 1000 threat it as frequency
 277         // tmp still contain pointer to null-terminated string with channel number here
 278         if (atoi(tmp)>1000){
 279             tv_channel_current->freq=atoi(tmp);
 280         }else{
 281             tv_channel_current->freq = 0;
 282             for (i = 0; i < chanlists[tvh->chanlist].count; i++) {
 283                 cl = tvh->chanlist_s[i];
 284                 if (!strcasecmp(cl.name, tv_channel_current->number)) {
 285                     tv_channel_current->freq=cl.freq;
 286                     break;
 287                 }
 288             }
 289         }
 290         if (tv_channel_current->freq == 0)
 291             mp_tmsg(MSGT_TV, MSGL_ERR, "Couldn't find frequency for channel %s (%s)\n",
 292                             tv_channel_current->number, tv_channel_current->name);
 293         else {
 294           sep = strchr(tv_channel_current->name, '-');
 295           if ( !sep ) sep = strchr(tv_channel_current->name, '+');
 296
 297           if ( sep ) {
 298             i = atoi (sep+1);
 299             if ( sep[0] == '+' ) tv_channel_current->freq += i * 100;
 300             if ( sep[0] == '-' ) tv_channel_current->freq -= i * 100;
 301             sep[0] = '\0';
 302           }
 303
 304           sep = strchr(tv_channel_current->name, '=');
 305           if ( sep ) {
 306             tv_channel_current->norm = norm_from_string(tvh, sep+1);
 307             sep[0] = '\0';
 308           }
 309         }
 310
 311         /*mp_msg(MSGT_TV, MSGL_INFO, "-- Detected channel %s - %s (%5.3f)\n",
 312                         tv_channel_current->number, tv_channel_current->name,
 313                         (float)tv_channel_current->freq/1000);*/
 314
 315         tv_channel_current->next = malloc(sizeof(tv_channels_t));
 316         tv_channel_current->next->index = tv_channel_current->index + 1;
 317         tv_channel_current->next->prev = tv_channel_current;
 318         tv_channel_current->next->next = NULL;
 319         tv_channel_current = tv_channel_current->next;
 320         tv_channel_current->norm = tvh->norm;
 321     }
 322     if (tv_channel_current->prev)
 323         tv_channel_current->prev->next = NULL;
 324     free(tv_channel_current);
 325 }
 326
 327 int tv_set_norm(tvi_handle_t *tvh, char* norm)
 328 {
 329     tvh->norm = norm_from_string(tvh, norm);
 330
 331     mp_tmsg(MSGT_TV, MSGL_V, "Selected norm : %s\n", norm);
 332     if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
 333         mp_tmsg(MSGT_TV, MSGL_ERR, "Error: Cannot set norm!\n");
 334         return 0;
 335     }
 336     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
 337     return 1;
 338 }
 339
 340 static int tv_set_norm_i(tvi_handle_t *tvh, int norm)
 341 {
 342    tvh->norm = norm;
 343
 344    mp_tmsg(MSGT_TV, MSGL_V, "Selected norm id: %d\n", norm);
 345    if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
 346       mp_tmsg(MSGT_TV, MSGL_ERR, "Error: Cannot set norm!\n");
 347       return 0;
 348    }
 349
 350    tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
 351    return(1);
 352 }
 353
 354 static int open_tv(tvi_handle_t *tvh)
 355 {
 356     int i;
 357     const tvi_functions_t *funcs = tvh->functions;
 358     int tv_fmt_list[] = {
 359       IMGFMT_YV12,
 360       IMGFMT_I420,
 361       IMGFMT_UYVY,
 362       IMGFMT_YUY2,
 363       IMGFMT_RGB32,
 364       IMGFMT_RGB24,
 365       IMGFMT_RGB16,
 366       IMGFMT_RGB15
 367     };
 368
 369     if (funcs->control(tvh->priv, TVI_CONTROL_IS_VIDEO, 0) != TVI_CONTROL_TRUE)
 370     {
 371         mp_tmsg(MSGT_TV, MSGL_ERR, "Error: No video input present!\n");
 372         return 0;
 373     }
 374
 375     if (tvh->tv_param->outfmt == -1)
 376       for (i = 0; i < sizeof (tv_fmt_list) / sizeof (*tv_fmt_list); i++)
 377         {
 378           tvh->tv_param->outfmt = tv_fmt_list[i];
 379           if (funcs->control (tvh->priv, TVI_CONTROL_VID_SET_FORMAT,
 380                               &tvh->tv_param->outfmt) == TVI_CONTROL_TRUE)
 381             break;
 382         }
 383     else
 384     {
 385     switch(tvh->tv_param->outfmt)
 386     {
 387         case IMGFMT_YV12:
 388         case IMGFMT_I420:
 389         case IMGFMT_UYVY:
 390         case IMGFMT_YUY2:
 391         case IMGFMT_RGB32:
 392         case IMGFMT_RGB24:
 393         case IMGFMT_BGR32:
 394         case IMGFMT_BGR24:
 395         case IMGFMT_BGR16:
 396         case IMGFMT_BGR15:
 397             break;
 398         default:
 399             mp_tmsg(MSGT_TV, MSGL_ERR,
 400                         "==================================================================\n"\
 401                         " WARNING: UNTESTED OR UNKNOWN OUTPUT IMAGE FORMAT REQUESTED (0x%x)\n"\
 402                         " This may cause buggy playback or program crash! Bug reports will\n"\
 403                         " be ignored! You should try again with YV12 (which is the default\n"\
 404                         " colorspace) and read the documentation!\n"\
 405                         "==================================================================\n"
 406                 ,tvh->tv_param->outfmt);
 407     }
 408     funcs->control(tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &tvh->tv_param->outfmt);
 409     }
 410
 411     /* set some params got from cmdline */
 412     funcs->control(tvh->priv, TVI_CONTROL_SPC_SET_INPUT, &tvh->tv_param->input);
 413
 414 #if defined(CONFIG_TV_V4L2) || defined(CONFIG_TV_DSHOW)
 415     if (0
 416 #ifdef CONFIG_TV_V4L2
 417     || (!strcmp(tvh->tv_param->driver, "v4l2") && tvh->tv_param->normid >= 0)
 418 #endif
 419 #ifdef CONFIG_TV_DSHOW
 420     || (!strcmp(tvh->tv_param->driver, "dshow") && tvh->tv_param->normid >= 0)
 421 #endif
 422     )
 423         tv_set_norm_i(tvh, tvh->tv_param->normid);
 424     else
 425 #endif
 426     tv_set_norm(tvh,tvh->tv_param->norm);
 427
 428 #ifdef CONFIG_TV_V4L1
 429     if ( tvh->tv_param->mjpeg )
 430     {
 431       /* set width to expected value */
 432       if (tvh->tv_param->width == -1)
 433         {
 434           tvh->tv_param->width = 704/tvh->tv_param->decimation;
 435         }
 436       if (tvh->tv_param->height == -1)
 437         {
 438           if ( tvh->norm != TV_NORM_NTSC )
 439             tvh->tv_param->height = 576/tvh->tv_param->decimation;
 440           else
 441             tvh->tv_param->height = 480/tvh->tv_param->decimation;
 442         }
 443       mp_tmsg(MSGT_TV, MSGL_INFO,
 444                " MJP: width %d height %d\n", tvh->tv_param->width, tvh->tv_param->height);
 445     }
 446 #endif
 447
 448     /* limits on w&h are norm-dependent -- JM */
 449     if (tvh->tv_param->width != -1 && tvh->tv_param->height != -1) {
 450         // first tell the driver both width and height, some drivers do not support setting them independently.
 451         int dim[2];
 452         dim[0] = tvh->tv_param->width; dim[1] = tvh->tv_param->height;
 453         funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH_HEIGHT, dim);
 454     }
 455     /* set width */
 456     if (tvh->tv_param->width != -1)
 457     {
 458         if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_WIDTH, &tvh->tv_param->width) == TVI_CONTROL_TRUE)
 459             funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH, &tvh->tv_param->width);
 460         else
 461         {
 462             mp_tmsg(MSGT_TV, MSGL_ERR, "Unable to set requested width: %d\n", tvh->tv_param->width);
 463             funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &tvh->tv_param->width);
 464         }
 465     }
 466
 467     /* set height */
 468     if (tvh->tv_param->height != -1)
 469     {
 470         if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_HEIGHT, &tvh->tv_param->height) == TVI_CONTROL_TRUE)
 471             funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HEIGHT, &tvh->tv_param->height);
 472         else
 473         {
 474             mp_tmsg(MSGT_TV, MSGL_ERR, "Unable to set requested height: %d\n", tvh->tv_param->height);
 475             funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &tvh->tv_param->height);
 476         }
 477     }
 478
 479     if (funcs->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
 480     {
 481         mp_tmsg(MSGT_TV, MSGL_WARN, "Selected input hasn't got a tuner!\n");
 482         goto done;
 483     }
 484
 485     /* select channel list */
 486     for (i = 0; chanlists[i].name != NULL; i++)
 487     {
 488         if (!strcasecmp(chanlists[i].name, tvh->tv_param->chanlist))
 489         {
 490             tvh->chanlist = i;
 491             tvh->chanlist_s = chanlists[i].list;
 492             break;
 493         }
 494     }
 495
 496     if (tvh->chanlist == -1)
 497         mp_tmsg(MSGT_TV, MSGL_WARN, "Unable to find selected channel list! (%s)\n",
 498             tvh->tv_param->chanlist);
 499     else
 500         mp_tmsg(MSGT_TV, MSGL_V, "Selected channel list: %s (including %d channels)\n",
 501             chanlists[tvh->chanlist].name, chanlists[tvh->chanlist].count);
 502
 503     if (tvh->tv_param->freq && tvh->tv_param->channel)
 504     {
 505         mp_tmsg(MSGT_TV, MSGL_WARN, "You can't set frequency and channel simultaneously!\n");
 506         goto done;
 507     }
 508
 509     /* Handle channel names */
 510     if (tvh->tv_param->channels) {
 511         parse_channels(tvh);
 512     } else
 513             tv_channel_last_real = malloc(5);
 514
 515     if (tv_channel_list) {
 516         int i;
 517         int channel = 0;
 518         if (tvh->tv_param->channel)
 519          {
 520            if (isdigit(*tvh->tv_param->channel))
 521                 /* if tvh->tv_param->channel begins with a digit interpret it as a number */
 522                 channel = atoi(tvh->tv_param->channel);
 523            else
 524               {
 525                 /* if tvh->tv_param->channel does not begin with a digit
 526                    set the first channel that contains tvh->tv_param->channel in its name */
 527
 528                 tv_channel_current = tv_channel_list;
 529                 while ( tv_channel_current ) {
 530                         if ( strstr(tv_channel_current->name, tvh->tv_param->channel) )
 531                           break;
 532                         tv_channel_current = tv_channel_current->next;
 533                         }
 534                 if ( !tv_channel_current ) tv_channel_current = tv_channel_list;
 535               }
 536          }
 537         else
 538                 channel = 1;
 539
 540         if ( channel ) {
 541         tv_channel_current = tv_channel_list;
 542         for (i = 1; i < channel; i++)
 543                 if (tv_channel_current->next)
 544                         tv_channel_current = tv_channel_current->next;
 545         }
 546
 547         mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n", tv_channel_current->number,
 548                         tv_channel_current->name, (float)tv_channel_current->freq/1000);
 549         tv_set_norm_i(tvh, tv_channel_current->norm);
 550         tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 551         tv_channel_last = tv_channel_current;
 552     } else {
 553     /* we need to set frequency */
 554     if (tvh->tv_param->freq)
 555     {
 556         unsigned long freq = atof(tvh->tv_param->freq)*16;
 557
 558         /* set freq in MHz */
 559         funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
 560
 561         funcs->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
 562         mp_tmsg(MSGT_TV, MSGL_V, "Selected frequency: %lu (%.3f)\n",
 563             freq, (float)freq/16);
 564     }
 565
 566             if (tvh->tv_param->channel) {
 567         struct CHANLIST cl;
 568
 569         mp_tmsg(MSGT_TV, MSGL_V, "Requested channel: %s\n", tvh->tv_param->channel);
 570         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 571         {
 572             cl = tvh->chanlist_s[i];
 573                     //  printf("count%d: name: %s, freq: %d\n",
 574                     //  i, cl.name, cl.freq);
 575             if (!strcasecmp(cl.name, tvh->tv_param->channel))
 576             {
 577                         strcpy(tv_channel_last_real, cl.name);
 578                 tvh->channel = i;
 579                 mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
 580                     cl.name, (float)cl.freq/1000);
 581                 tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 582                 break;
 583             }
 584         }
 585     }
 586     }
 587
 588     /* grep frequency in chanlist */
 589     {
 590         unsigned long i2;
 591         int freq;
 592
 593         tv_get_freq(tvh, &i2);
 594
 595         freq = (int) (((float)(i2/16))*1000)+250;
 596
 597         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 598         {
 599             if (tvh->chanlist_s[i].freq == freq)
 600             {
 601                 tvh->channel = i+1;
 602                 break;
 603             }
 604         }
 605     }
 606
 607 done:
 608     /* also start device! */
 609         return 1;
 610 }
 611
 612 static tvi_handle_t *tv_begin(tv_param_t* tv_param)
 613 {
 614     int i;
 615     tvi_handle_t* h;
 616     if(tv_param->driver && !strcmp(tv_param->driver,"help")){
 617         mp_tmsg(MSGT_TV,MSGL_INFO,"Available drivers:\n");
 618         for(i=0;tvi_driver_list[i];i++){
 619             mp_msg(MSGT_TV,MSGL_INFO," %s\t%s",tvi_driver_list[i]->short_name,tvi_driver_list[i]->name);
 620             if(tvi_driver_list[i]->comment)
 621                 mp_msg(MSGT_TV,MSGL_INFO," (%s)",tvi_driver_list[i]->comment);
 622             mp_msg(MSGT_TV,MSGL_INFO,"\n");
 623         }
 624         return NULL;
 625     }
 626
 627     for(i=0;tvi_driver_list[i];i++){
 628         if (!tv_param->driver || !strcmp(tvi_driver_list[i]->short_name, tv_param->driver)){
 629             h=tvi_driver_list[i]->tvi_init(tv_param);
 630             //Requested driver initialization failed
 631             if (!h && tv_param->driver)
 632                 return NULL;
 633             //Driver initialization failed during autodetection process.
 634             if (!h)
 635                 continue;
 636
 637             h->tv_param=tv_param;
 638             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,
 639             tvi_driver_list[i]->name,
 640             tvi_driver_list[i]->author,
 641             tvi_driver_list[i]->comment?tvi_driver_list[i]->comment:"");
 642             tv_param->driver=strdup(tvi_driver_list[i]->short_name);
 643             return h;
 644         }
 645     }
 646
 647     if(tv_param->driver)
 648         mp_tmsg(MSGT_TV, MSGL_ERR, "No such driver: %s\n", tv_param->driver);
 649     else
 650         mp_tmsg(MSGT_TV, MSGL_ERR, "TV driver autodetection failed.\n");
 651     return NULL;
 652 }
 653
 654 static int tv_uninit(tvi_handle_t *tvh)
 655 {
 656     int res;
 657     if(!tvh) return 1;
 658     if (!tvh->priv) return 1;
 659     res=tvh->functions->uninit(tvh->priv);
 660     if(res) {
 661         free(tvh->priv);
 662         tvh->priv=NULL;
 663     }
 664     return res;
 665 }
 666
 667 static demuxer_t* demux_open_tv(demuxer_t *demuxer)
 668 {
 669     tvi_handle_t *tvh;
 670     sh_video_t *sh_video;
 671     sh_audio_t *sh_audio = NULL;
 672     const tvi_functions_t *funcs;
 673
 674     demuxer->priv=NULL;
 675     if(!(tvh=tv_begin(demuxer->stream->priv))) return NULL;
 676     if (!tvh->functions->init(tvh->priv)) return NULL;
 677
 678     tvh->functions->control(tvh->priv,TVI_CONTROL_VBI_INIT,&(tvh->tv_param->tdevice));
 679
 680     if (!open_tv(tvh)){
 681         tv_uninit(tvh);
 682         return NULL;
 683     }
 684     funcs = tvh->functions;
 685     demuxer->priv=tvh;
 686
 687     sh_video = new_sh_video(demuxer, 0);
 688
 689     /* get IMAGE FORMAT */
 690     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FORMAT, &sh_video->format);
 691 //    if (IMGFMT_IS_RGB(sh_video->format) || IMGFMT_IS_BGR(sh_video->format))
 692 //      sh_video->format = 0x0;
 693
 694     /* set FPS and FRAMETIME */
 695
 696     if(!sh_video->fps)
 697     {
 698         float tmp;
 699         if (funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FPS, &tmp) != TVI_CONTROL_TRUE)
 700              sh_video->fps = 25.0f; /* on PAL */
 701         else sh_video->fps = tmp;
 702     }
 703
 704     if (tvh->tv_param->fps != -1.0f)
 705         sh_video->fps = tvh->tv_param->fps;
 706
 707     sh_video->frametime = 1.0f/sh_video->fps;
 708
 709     /* If playback only mode, go to immediate mode, fail silently */
 710     if(tvh->tv_param->immediate == 1)
 711         {
 712         funcs->control(tvh->priv, TVI_CONTROL_IMMEDIATE, 0);
 713         tvh->tv_param->noaudio = 1;
 714         }
 715
 716     /* disable TV audio if -nosound is present */
 717     if (!demuxer->audio || demuxer->audio->id == -2) {
 718         tvh->tv_param->noaudio = 1;
 719     }
 720
 721     /* set width */
 722     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &sh_video->disp_w);
 723
 724     /* set height */
 725     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &sh_video->disp_h);
 726
 727     demuxer->video->sh = sh_video;
 728     sh_video->ds = demuxer->video;
 729     demuxer->video->id = 0;
 730     demuxer->seekable = 0;
 731
 732     /* here comes audio init */
 733     if (tvh->tv_param->noaudio == 0 && funcs->control(tvh->priv, TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
 734     {
 735         int audio_format;
 736         int sh_audio_format;
 737         char buf[128];
 738
 739         /* yeah, audio is present */
 740
 741         funcs->control(tvh->priv, TVI_CONTROL_AUD_SET_SAMPLERATE,
 742                                   &tvh->tv_param->audiorate);
 743
 744         if (funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_FORMAT, &audio_format) != TVI_CONTROL_TRUE)
 745             goto no_audio;
 746
 747         switch(audio_format)
 748         {
 749             case AF_FORMAT_U8:
 750             case AF_FORMAT_S8:
 751             case AF_FORMAT_U16_LE:
 752             case AF_FORMAT_U16_BE:
 753             case AF_FORMAT_S16_LE:
 754             case AF_FORMAT_S16_BE:
 755             case AF_FORMAT_S32_LE:
 756             case AF_FORMAT_S32_BE:
 757                 sh_audio_format = 0x1; /* PCM */
 758                 break;
 759             case AF_FORMAT_IMA_ADPCM:
 760             case AF_FORMAT_MU_LAW:
 761             case AF_FORMAT_A_LAW:
 762             case AF_FORMAT_MPEG2:
 763             case AF_FORMAT_AC3:
 764             default:
 765                 mp_tmsg(MSGT_TV, MSGL_ERR, "Audio type '%s (%x)' unsupported!\n",
 766                     af_fmt2str(audio_format, buf, 128), audio_format);
 767                 goto no_audio;
 768         }
 769
 770         sh_audio = new_sh_audio(demuxer, 0);
 771
 772         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLERATE,
 773                    &sh_audio->samplerate);
 774         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLESIZE,
 775                    &sh_audio->samplesize);
 776         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_CHANNELS,
 777                    &sh_audio->channels);
 778
 779         sh_audio->format = sh_audio_format;
 780         sh_audio->sample_format = audio_format;
 781
 782         sh_audio->i_bps = sh_audio->o_bps =
 783             sh_audio->samplerate * sh_audio->samplesize *
 784             sh_audio->channels;
 785
 786         // emulate WF for win32 codecs:
 787         sh_audio->wf = malloc(sizeof(WAVEFORMATEX));
 788         sh_audio->wf->wFormatTag = sh_audio->format;
 789         sh_audio->wf->nChannels = sh_audio->channels;
 790         sh_audio->wf->wBitsPerSample = sh_audio->samplesize * 8;
 791         sh_audio->wf->nSamplesPerSec = sh_audio->samplerate;
 792         sh_audio->wf->nBlockAlign = sh_audio->samplesize * sh_audio->channels;
 793         sh_audio->wf->nAvgBytesPerSec = sh_audio->i_bps;
 794
 795         mp_tmsg(MSGT_DECVIDEO, MSGL_V, " TV audio: %d channels, %d bits, %d Hz\n",
 796           sh_audio->wf->nChannels, sh_audio->wf->wBitsPerSample,
 797           sh_audio->wf->nSamplesPerSec);
 798
 799         demuxer->audio->sh = sh_audio;
 800         sh_audio->ds = demuxer->audio;
 801         demuxer->audio->id = 0;
 802     }
 803 no_audio:
 804
 805     if(!(funcs->start(tvh->priv))){
 806         // start failed :(
 807         tv_uninit(tvh);
 808         return NULL;
 809     }
 810
 811     /* set color eq */
 812     tv_set_color_options(tvh, TV_COLOR_BRIGHTNESS, tvh->tv_param->brightness);
 813     tv_set_color_options(tvh, TV_COLOR_HUE, tvh->tv_param->hue);
 814     tv_set_color_options(tvh, TV_COLOR_SATURATION, tvh->tv_param->saturation);
 815     tv_set_color_options(tvh, TV_COLOR_CONTRAST, tvh->tv_param->contrast);
 816
 817     if(tvh->tv_param->gain!=-1)
 818         if(funcs->control(tvh->priv,TVI_CONTROL_VID_SET_GAIN,&tvh->tv_param->gain)!=TVI_CONTROL_TRUE)
 819             mp_msg(MSGT_TV,MSGL_WARN,"Unable to set gain control!\n");
 820
 821     funcs->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
 822
 823     return demuxer;
 824 }
 825
 826 static void demux_close_tv(demuxer_t *demuxer)
 827 {
 828     tvi_handle_t *tvh=(tvi_handle_t*)(demuxer->priv);
 829     if (!tvh) return;
 830     tv_uninit(tvh);
 831     free(tvh);
 832     demuxer->priv=NULL;
 833 }
 834
 835 /* utilities for mplayer (not mencoder!!) */
 836 int tv_set_color_options(tvi_handle_t *tvh, int opt, int value)
 837 {
 838     const tvi_functions_t *funcs = tvh->functions;
 839
 840     switch(opt)
 841     {
 842         case TV_COLOR_BRIGHTNESS:
 843             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_BRIGHTNESS, &value);
 844         case TV_COLOR_HUE:
 845             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HUE, &value);
 846         case TV_COLOR_SATURATION:
 847             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_SATURATION, &value);
 848         case TV_COLOR_CONTRAST:
 849             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_CONTRAST, &value);
 850         default:
 851             mp_tmsg(MSGT_TV, MSGL_WARN, "Unknown color option (%d) specified!\n", opt);
 852     }
 853
 854     return TVI_CONTROL_UNKNOWN;
 855 }
 856
 857 int tv_get_color_options(tvi_handle_t *tvh, int opt, int* value)
 858 {
 859     const tvi_functions_t *funcs = tvh->functions;
 860
 861     switch(opt)
 862     {
 863         case TV_COLOR_BRIGHTNESS:
 864             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_BRIGHTNESS, value);
 865         case TV_COLOR_HUE:
 866             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HUE, value);
 867         case TV_COLOR_SATURATION:
 868             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_SATURATION, value);
 869         case TV_COLOR_CONTRAST:
 870             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_CONTRAST, value);
 871         default:
 872             mp_tmsg(MSGT_TV, MSGL_WARN, "Unknown color option (%d) specified!\n", opt);
 873     }
 874
 875     return TVI_CONTROL_UNKNOWN;
 876 }
 877
 878 int tv_get_freq(tvi_handle_t *tvh, unsigned long *freq)
 879 {
 880     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) == TVI_CONTROL_TRUE)
 881     {
 882         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, freq);
 883         mp_tmsg(MSGT_TV, MSGL_V, "Current frequency: %lu (%.3f)\n",
 884             *freq, (float)*freq/16);
 885     }
 886     return 1;
 887 }
 888
 889 int tv_set_freq(tvi_handle_t *tvh, unsigned long freq)
 890 {
 891     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) == TVI_CONTROL_TRUE)
 892     {
 893 //      unsigned long freq = atof(tvh->tv_param->freq)*16;
 894
 895         /* set freq in MHz */
 896         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
 897
 898         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
 899         mp_tmsg(MSGT_TV, MSGL_V, "Current frequency: %lu (%.3f)\n",
 900             freq, (float)freq/16);
 901     }
 902     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
 903     return 1;
 904 }
 905
 906 int tv_get_signal(tvi_handle_t *tvh)
 907 {
 908     int signal=0;
 909     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE ||
 910         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_SIGNAL, &signal)!=TVI_CONTROL_TRUE)
 911         return 0;
 912
 913     return signal;
 914 }
 915
 916 /*****************************************************************
 917  * \brief tune current frequency by step_interval value
 918  * \parameter step_interval increment value in 1/16 MHz
 919  * \note frequency is rounded to 1/16 MHz value
 920  * \return 1
 921  *
 922  */
 923 int tv_step_freq(tvi_handle_t* tvh, float step_interval){
 924     unsigned long frequency;
 925
 926     tvh->tv_param->scan=0;
 927     tv_get_freq(tvh,&frequency);
 928     frequency+=step_interval;
 929     return tv_set_freq(tvh,frequency);
 930 }
 931
 932 int tv_step_channel_real(tvi_handle_t *tvh, int direction)
 933 {
 934     struct CHANLIST cl;
 935
 936     tvh->tv_param->scan=0;
 937     if (direction == TV_CHANNEL_LOWER)
 938     {
 939         if (tvh->channel-1 >= 0)
 940         {
 941             strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 942             cl = tvh->chanlist_s[--tvh->channel];
 943             mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
 944                 cl.name, (float)cl.freq/1000);
 945             tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 946         }
 947     }
 948
 949     if (direction == TV_CHANNEL_HIGHER)
 950     {
 951         if (tvh->channel+1 < chanlists[tvh->chanlist].count)
 952         {
 953             strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 954             cl = tvh->chanlist_s[++tvh->channel];
 955             mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
 956                 cl.name, (float)cl.freq/1000);
 957             tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 958         }
 959     }
 960     return 1;
 961 }
 962
 963 int tv_step_channel(tvi_handle_t *tvh, int direction) {
 964         tvh->tv_param->scan=0;
 965         if (tv_channel_list) {
 966                 if (direction == TV_CHANNEL_HIGHER) {
 967                         tv_channel_last = tv_channel_current;
 968                         if (tv_channel_current->next)
 969                                 tv_channel_current = tv_channel_current->next;
 970                         else
 971                                 tv_channel_current = tv_channel_list;
 972
 973                                 tv_set_norm_i(tvh, tv_channel_current->norm);
 974                                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 975                                 mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n",
 976                         tv_channel_current->number, tv_channel_current->name, (float)tv_channel_current->freq/1000);
 977                 }
 978                 if (direction == TV_CHANNEL_LOWER) {
 979                         tv_channel_last = tv_channel_current;
 980                         if (tv_channel_current->prev)
 981                                 tv_channel_current = tv_channel_current->prev;
 982                         else
 983                                 while (tv_channel_current->next)
 984                                         tv_channel_current = tv_channel_current->next;
 985                                 tv_set_norm_i(tvh, tv_channel_current->norm);
 986                                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 987                                 mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n",
 988                         tv_channel_current->number, tv_channel_current->name, (float)tv_channel_current->freq/1000);
 989                 }
 990         } else tv_step_channel_real(tvh, direction);
 991         return 1;
 992 }
 993
 994 int tv_set_channel_real(tvi_handle_t *tvh, char *channel) {
 995         int i;
 996         struct CHANLIST cl;
 997
 998         tvh->tv_param->scan=0;
 999         strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
1000         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
1001         {
1002             cl = tvh->chanlist_s[i];
1003 //          printf("count%d: name: %s, freq: %d\n",
1004 //              i, cl.name, cl.freq);
1005             if (!strcasecmp(cl.name, channel))
1006             {
1007                 tvh->channel = i;
1008                 mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
1009                     cl.name, (float)cl.freq/1000);
1010                 tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
1011                 break;
1012             }
1013         }
1014         return 1;
1015 }
1016
1017 int tv_set_channel(tvi_handle_t *tvh, char *channel) {
1018         int i, channel_int;
1019
1020         tvh->tv_param->scan=0;
1021         if (tv_channel_list) {
1022                 tv_channel_last = tv_channel_current;
1023                 channel_int = atoi(channel);
1024                 tv_channel_current = tv_channel_list;
1025                 for (i = 1; i < channel_int; i++)
1026                         if (tv_channel_current->next)
1027                                 tv_channel_current = tv_channel_current->next;
1028                 mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n", tv_channel_current->number,
1029                                 tv_channel_current->name, (float)tv_channel_current->freq/1000);
1030                 tv_set_norm_i(tvh, tv_channel_current->norm);
1031                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
1032         } else tv_set_channel_real(tvh, channel);
1033         return 1;
1034 }
1035
1036 int tv_last_channel(tvi_handle_t *tvh) {
1037
1038         tvh->tv_param->scan=0;
1039         if (tv_channel_list) {
1040                 tv_channels_t *tmp;
1041
1042                 tmp = tv_channel_last;
1043                 tv_channel_last = tv_channel_current;
1044                 tv_channel_current = tmp;
1045
1046                 mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s - %s (freq: %.3f)\n", tv_channel_current->number,
1047                                 tv_channel_current->name, (float)tv_channel_current->freq/1000);
1048                 tv_set_norm_i(tvh, tv_channel_current->norm);
1049                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
1050         } else {
1051                 int i;
1052                 struct CHANLIST cl;
1053
1054                 for (i = 0; i < chanlists[tvh->chanlist].count; i++)
1055                 {
1056                     cl = tvh->chanlist_s[i];
1057                     if (!strcasecmp(cl.name, tv_channel_last_real))
1058                     {
1059                         strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
1060                         tvh->channel = i;
1061                         mp_tmsg(MSGT_TV, MSGL_INFO, "Selected channel: %s (freq: %.3f)\n",
1062                             cl.name, (float)cl.freq/1000);
1063                         tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
1064                         break;
1065                     }
1066                 }
1067         }
1068         return 1;
1069 }
1070
1071 int tv_step_norm(tvi_handle_t *tvh)
1072 {
1073   tvh->norm++;
1074   if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM,
1075                               &tvh->norm) != TVI_CONTROL_TRUE) {
1076     tvh->norm = 0;
1077     if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM,
1078                                 &tvh->norm) != TVI_CONTROL_TRUE) {
1079       mp_tmsg(MSGT_TV, MSGL_ERR, "Error: Cannot set norm!\n");
1080       return 0;
1081     }
1082   }
1083     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
1084     return 1;
1085 }
1086
1087 int tv_step_chanlist(tvi_handle_t *tvh)
1088 {
1089     return 1;
1090 }
1091
1092 demuxer_desc_t demuxer_desc_tv = {
1093   "Tv card demuxer",
1094   "tv",
1095   "TV",
1096   "Alex Beregszaszi, Charles R. Henrich",
1097   "?",
1098   DEMUXER_TYPE_TV,
1099   0, // no autodetect
1100   NULL,
1101   demux_tv_fill_buffer,
1102   demux_open_tv,
1103   demux_close_tv,
1104   NULL,
1105   NULL
1106 };