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 HAVE_TV_V4L2
  53     &tvi_info_v4l2,
  54 #endif
  55 #ifdef HAVE_TV_V4L1
  56     &tvi_info_v4l,
  57 #endif
  58 #ifdef HAVE_TV_BSDBT848
  59     &tvi_info_bsdbt848,
  60 #endif
  61 #ifdef HAVE_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_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_ScannerNotAvailableWithoutTuner);
  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_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_BogusNormParameter, 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_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_BogusNormParameter, 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_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_ChannelNamesDetected);
 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
 258     while (*channels) {
 259         char* tmp = *(channels++);
 260         char* sep = strchr(tmp,'-');
 261         int i;
 262         struct CHANLIST cl;
 263
 264         if (!sep) continue; // Wrong syntax, but mplayer should not crash
 265
 266         av_strlcpy(tv_channel_current->name, sep + 1,
 267                         sizeof(tv_channel_current->name));
 268         sep[0] = '\0';
 269         strncpy(tv_channel_current->number, tmp, 5);
 270         tv_channel_current->number[4]='\0';
 271
 272         while ((sep=strchr(tv_channel_current->name, '_')))
 273             sep[0] = ' ';
 274
 275         // if channel number is a number and larger than 1000 threat it as frequency
 276         // tmp still contain pointer to null-terminated string with channel number here
 277         if (atoi(tmp)>1000){
 278             tv_channel_current->freq=atoi(tmp);
 279         }else{
 280             tv_channel_current->freq = 0;
 281             for (i = 0; i < chanlists[tvh->chanlist].count; i++) {
 282                 cl = tvh->chanlist_s[i];
 283                 if (!strcasecmp(cl.name, tv_channel_current->number)) {
 284                     tv_channel_current->freq=cl.freq;
 285                     break;
 286                 }
 287             }
 288         }
 289         if (tv_channel_current->freq == 0)
 290             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_NoFreqForChannel,
 291                             tv_channel_current->number, tv_channel_current->name);
 292         else {
 293           sep = strchr(tv_channel_current->name, '-');
 294           if ( !sep ) sep = strchr(tv_channel_current->name, '+');
 295
 296           if ( sep ) {
 297             i = atoi (sep+1);
 298             if ( sep[0] == '+' ) tv_channel_current->freq += i * 100;
 299             if ( sep[0] == '-' ) tv_channel_current->freq -= i * 100;
 300             sep[0] = '\0';
 301           }
 302         }
 303
 304         /*mp_msg(MSGT_TV, MSGL_INFO, "-- Detected channel %s - %s (%5.3f)\n",
 305                         tv_channel_current->number, tv_channel_current->name,
 306                         (float)tv_channel_current->freq/1000);*/
 307
 308         tv_channel_current->next = malloc(sizeof(tv_channels_t));
 309         tv_channel_current->next->index = tv_channel_current->index + 1;
 310         tv_channel_current->next->prev = tv_channel_current;
 311         tv_channel_current->next->next = NULL;
 312         tv_channel_current = tv_channel_current->next;
 313     }
 314     if (tv_channel_current->prev)
 315         tv_channel_current->prev->next = NULL;
 316     free(tv_channel_current);
 317 }
 318 static int open_tv(tvi_handle_t *tvh)
 319 {
 320     int i;
 321     const tvi_functions_t *funcs = tvh->functions;
 322     int tv_fmt_list[] = {
 323       IMGFMT_YV12,
 324       IMGFMT_I420,
 325       IMGFMT_UYVY,
 326       IMGFMT_YUY2,
 327       IMGFMT_RGB32,
 328       IMGFMT_RGB24,
 329       IMGFMT_RGB16,
 330       IMGFMT_RGB15
 331     };
 332
 333     if (funcs->control(tvh->priv, TVI_CONTROL_IS_VIDEO, 0) != TVI_CONTROL_TRUE)
 334     {
 335         mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_NoVideoInputPresent);
 336         return 0;
 337     }
 338
 339     if (tvh->tv_param->outfmt == -1)
 340       for (i = 0; i < sizeof (tv_fmt_list) / sizeof (*tv_fmt_list); i++)
 341         {
 342           tvh->tv_param->outfmt = tv_fmt_list[i];
 343           if (funcs->control (tvh->priv, TVI_CONTROL_VID_SET_FORMAT,
 344                               &tvh->tv_param->outfmt) == TVI_CONTROL_TRUE)
 345             break;
 346         }
 347     else
 348     {
 349     switch(tvh->tv_param->outfmt)
 350     {
 351         case IMGFMT_YV12:
 352         case IMGFMT_I420:
 353         case IMGFMT_UYVY:
 354         case IMGFMT_YUY2:
 355         case IMGFMT_RGB32:
 356         case IMGFMT_RGB24:
 357         case IMGFMT_BGR32:
 358         case IMGFMT_BGR24:
 359         case IMGFMT_BGR16:
 360         case IMGFMT_BGR15:
 361             break;
 362         default:
 363             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnknownImageFormat,tvh->tv_param->outfmt);
 364     }
 365     funcs->control(tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &tvh->tv_param->outfmt);
 366     }
 367
 368     /* set some params got from cmdline */
 369     funcs->control(tvh->priv, TVI_CONTROL_SPC_SET_INPUT, &tvh->tv_param->input);
 370
 371 #if defined(HAVE_TV_V4L2) || defined(HAVE_TV_DSHOW)
 372     if (0
 373 #ifdef HAVE_TV_V4L2
 374     || (!strcmp(tvh->tv_param->driver, "v4l2") && tvh->tv_param->normid >= 0)
 375 #endif
 376 #ifdef HAVE_TV_DSHOW
 377     || (!strcmp(tvh->tv_param->driver, "dshow") && tvh->tv_param->normid >= 0)
 378 #endif
 379     ) {
 380         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedNormId, tvh->tv_param->normid);
 381         if (funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->tv_param->normid) != TVI_CONTROL_TRUE) {
 382             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_CannotSetNorm);
 383         }
 384     } else
 385 #endif
 386     tv_set_norm(tvh,tvh->tv_param->norm);
 387
 388 #ifdef HAVE_TV_V4L1
 389     if ( tvh->tv_param->mjpeg )
 390     {
 391       /* set width to expected value */
 392       if (tvh->tv_param->width == -1)
 393         {
 394           tvh->tv_param->width = 704/tvh->tv_param->decimation;
 395         }
 396       if (tvh->tv_param->height == -1)
 397         {
 398           if ( tvh->norm != TV_NORM_NTSC )
 399             tvh->tv_param->height = 576/tvh->tv_param->decimation;
 400           else
 401             tvh->tv_param->height = 480/tvh->tv_param->decimation;
 402         }
 403       mp_msg(MSGT_TV, MSGL_INFO,
 404                MSGTR_TV_MJP_WidthHeight, tvh->tv_param->width, tvh->tv_param->height);
 405     }
 406 #endif
 407
 408     /* limits on w&h are norm-dependent -- JM */
 409     /* set width */
 410     if (tvh->tv_param->width != -1)
 411     {
 412         if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_WIDTH, &tvh->tv_param->width) == TVI_CONTROL_TRUE)
 413             funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH, &tvh->tv_param->width);
 414         else
 415         {
 416             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnableToSetWidth, tvh->tv_param->width);
 417             funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &tvh->tv_param->width);
 418         }
 419     }
 420
 421     /* set height */
 422     if (tvh->tv_param->height != -1)
 423     {
 424         if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_HEIGHT, &tvh->tv_param->height) == TVI_CONTROL_TRUE)
 425             funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HEIGHT, &tvh->tv_param->height);
 426         else
 427         {
 428             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnableToSetHeight, tvh->tv_param->height);
 429             funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &tvh->tv_param->height);
 430         }
 431     }
 432
 433     if (funcs->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
 434     {
 435         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_NoTuner);
 436         goto done;
 437     }
 438
 439     /* select channel list */
 440     for (i = 0; chanlists[i].name != NULL; i++)
 441     {
 442         if (!strcasecmp(chanlists[i].name, tvh->tv_param->chanlist))
 443         {
 444             tvh->chanlist = i;
 445             tvh->chanlist_s = chanlists[i].list;
 446             break;
 447         }
 448     }
 449
 450     if (tvh->chanlist == -1)
 451         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_UnableFindChanlist,
 452             tvh->tv_param->chanlist);
 453     else
 454         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedChanlist,
 455             chanlists[tvh->chanlist].name, chanlists[tvh->chanlist].count);
 456
 457     if (tvh->tv_param->freq && tvh->tv_param->channel)
 458     {
 459         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_ChannelFreqParamConflict);
 460         goto done;
 461     }
 462
 463     /* Handle channel names */
 464     if (tvh->tv_param->channels) {
 465         parse_channels(tvh);
 466     } else
 467             tv_channel_last_real = malloc(5);
 468
 469     if (tv_channel_list) {
 470         int i;
 471         int channel = 0;
 472         if (tvh->tv_param->channel)
 473          {
 474            if (isdigit(*tvh->tv_param->channel))
 475                 /* if tvh->tv_param->channel begins with a digit interpret it as a number */
 476                 channel = atoi(tvh->tv_param->channel);
 477            else
 478               {
 479                 /* if tvh->tv_param->channel does not begin with a digit
 480                    set the first channel that contains tvh->tv_param->channel in its name */
 481
 482                 tv_channel_current = tv_channel_list;
 483                 while ( tv_channel_current ) {
 484                         if ( strstr(tv_channel_current->name, tvh->tv_param->channel) )
 485                           break;
 486                         tv_channel_current = tv_channel_current->next;
 487                         }
 488                 if ( !tv_channel_current ) tv_channel_current = tv_channel_list;
 489               }
 490          }
 491         else
 492                 channel = 1;
 493
 494         if ( channel ) {
 495         tv_channel_current = tv_channel_list;
 496         for (i = 1; i < channel; i++)
 497                 if (tv_channel_current->next)
 498                         tv_channel_current = tv_channel_current->next;
 499         }
 500
 501         mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3, tv_channel_current->number,
 502                         tv_channel_current->name, (float)tv_channel_current->freq/1000);
 503         tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 504         tv_channel_last = tv_channel_current;
 505     } else {
 506     /* we need to set frequency */
 507     if (tvh->tv_param->freq)
 508     {
 509         unsigned long freq = atof(tvh->tv_param->freq)*16;
 510
 511         /* set freq in MHz */
 512         funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
 513
 514         funcs->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
 515         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedFrequency,
 516             freq, (float)freq/16);
 517     }
 518
 519             if (tvh->tv_param->channel) {
 520         struct CHANLIST cl;
 521
 522         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_RequestedChannel, tvh->tv_param->channel);
 523         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 524         {
 525             cl = tvh->chanlist_s[i];
 526                     //  printf("count%d: name: %s, freq: %d\n",
 527                     //  i, cl.name, cl.freq);
 528             if (!strcasecmp(cl.name, tvh->tv_param->channel))
 529             {
 530                         strcpy(tv_channel_last_real, cl.name);
 531                 tvh->channel = i;
 532                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
 533                     cl.name, (float)cl.freq/1000);
 534                 tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 535                 break;
 536             }
 537         }
 538     }
 539     }
 540
 541     /* grep frequency in chanlist */
 542     {
 543         unsigned long i2;
 544         int freq;
 545
 546         tv_get_freq(tvh, &i2);
 547
 548         freq = (int) (((float)(i2/16))*1000)+250;
 549
 550         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 551         {
 552             if (tvh->chanlist_s[i].freq == freq)
 553             {
 554                 tvh->channel = i+1;
 555                 break;
 556             }
 557         }
 558     }
 559
 560 done:
 561     /* also start device! */
 562         return 1;
 563 }
 564
 565 static tvi_handle_t *tv_begin(tv_param_t* tv_param)
 566 {
 567     int i;
 568     tvi_handle_t* h;
 569     if(tv_param->driver && !strcmp(tv_param->driver,"help")){
 570         mp_msg(MSGT_TV,MSGL_INFO,MSGTR_TV_AvailableDrivers);
 571         for(i=0;tvi_driver_list[i];i++){
 572             mp_msg(MSGT_TV,MSGL_INFO," %s\t%s",tvi_driver_list[i]->short_name,tvi_driver_list[i]->name);
 573             if(tvi_driver_list[i]->comment)
 574                 mp_msg(MSGT_TV,MSGL_INFO," (%s)",tvi_driver_list[i]->comment);
 575             mp_msg(MSGT_TV,MSGL_INFO,"\n");
 576         }
 577         return NULL;
 578     }
 579
 580     for(i=0;tvi_driver_list[i];i++){
 581         if (!tv_param->driver || !strcmp(tvi_driver_list[i]->short_name, tv_param->driver)){
 582             h=tvi_driver_list[i]->tvi_init(tv_param);
 583             //Requested driver initialization failed
 584             if (!h && tv_param->driver)
 585                 return NULL;
 586             //Driver initialization failed during autodetection process.
 587             if (!h)
 588                 continue;
 589
 590             h->tv_param=tv_param;
 591             mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_DriverInfo, tvi_driver_list[i]->short_name,
 592             tvi_driver_list[i]->name,
 593             tvi_driver_list[i]->author,
 594             tvi_driver_list[i]->comment?tvi_driver_list[i]->comment:"");
 595             tv_param->driver=strdup(tvi_driver_list[i]->short_name);
 596             return h;
 597         }
 598     }
 599
 600     if(tv_param->driver)
 601         mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_NoSuchDriver, tv_param->driver);
 602     else
 603         mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_DriverAutoDetectionFailed);
 604     return(NULL);
 605 }
 606
 607 static int tv_uninit(tvi_handle_t *tvh)
 608 {
 609     int res;
 610     if(!tvh) return 1;
 611     if (!tvh->priv) return 1;
 612     res=tvh->functions->uninit(tvh->priv);
 613     if(res) {
 614         free(tvh->priv);
 615         tvh->priv=NULL;
 616     }
 617     return res;
 618 }
 619
 620 static demuxer_t* demux_open_tv(demuxer_t *demuxer)
 621 {
 622     tvi_handle_t *tvh;
 623     sh_video_t *sh_video;
 624     sh_audio_t *sh_audio = NULL;
 625     const tvi_functions_t *funcs;
 626
 627     demuxer->priv=NULL;
 628     if(!(tvh=tv_begin(demuxer->stream->priv))) return NULL;
 629     if (!tvh->functions->init(tvh->priv)) return NULL;
 630
 631     tvh->functions->control(tvh->priv,TVI_CONTROL_VBI_INIT,&(tvh->tv_param->tdevice));
 632
 633     if (!open_tv(tvh)){
 634         tv_uninit(tvh);
 635         return NULL;
 636     }
 637     funcs = tvh->functions;
 638     demuxer->priv=tvh;
 639
 640     sh_video = new_sh_video(demuxer, 0);
 641
 642     /* get IMAGE FORMAT */
 643     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FORMAT, &sh_video->format);
 644 //    if (IMGFMT_IS_RGB(sh_video->format) || IMGFMT_IS_BGR(sh_video->format))
 645 //      sh_video->format = 0x0;
 646
 647     /* set FPS and FRAMETIME */
 648
 649     if(!sh_video->fps)
 650     {
 651         float tmp;
 652         if (funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FPS, &tmp) != TVI_CONTROL_TRUE)
 653              sh_video->fps = 25.0f; /* on PAL */
 654         else sh_video->fps = tmp;
 655     }
 656
 657     if (tvh->tv_param->fps != -1.0f)
 658         sh_video->fps = tvh->tv_param->fps;
 659
 660     sh_video->frametime = 1.0f/sh_video->fps;
 661
 662     /* If playback only mode, go to immediate mode, fail silently */
 663     if(tvh->tv_param->immediate == 1)
 664         {
 665         funcs->control(tvh->priv, TVI_CONTROL_IMMEDIATE, 0);
 666         tvh->tv_param->noaudio = 1;
 667         }
 668
 669     /* disable TV audio if -nosound is present */
 670     if (!demuxer->audio || demuxer->audio->id == -2) {
 671         tvh->tv_param->noaudio = 1;
 672     }
 673
 674     /* set width */
 675     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &sh_video->disp_w);
 676
 677     /* set height */
 678     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &sh_video->disp_h);
 679
 680     demuxer->video->sh = sh_video;
 681     sh_video->ds = demuxer->video;
 682     demuxer->video->id = 0;
 683     demuxer->seekable = 0;
 684
 685     /* here comes audio init */
 686     if (tvh->tv_param->noaudio == 0 && funcs->control(tvh->priv, TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
 687     {
 688         int audio_format;
 689         int sh_audio_format;
 690         char buf[128];
 691
 692         /* yeah, audio is present */
 693
 694         funcs->control(tvh->priv, TVI_CONTROL_AUD_SET_SAMPLERATE,
 695                                   &tvh->tv_param->audiorate);
 696
 697         if (funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_FORMAT, &audio_format) != TVI_CONTROL_TRUE)
 698             goto no_audio;
 699
 700         switch(audio_format)
 701         {
 702             case AF_FORMAT_U8:
 703             case AF_FORMAT_S8:
 704             case AF_FORMAT_U16_LE:
 705             case AF_FORMAT_U16_BE:
 706             case AF_FORMAT_S16_LE:
 707             case AF_FORMAT_S16_BE:
 708             case AF_FORMAT_S32_LE:
 709             case AF_FORMAT_S32_BE:
 710                 sh_audio_format = 0x1; /* PCM */
 711                 break;
 712             case AF_FORMAT_IMA_ADPCM:
 713             case AF_FORMAT_MU_LAW:
 714             case AF_FORMAT_A_LAW:
 715             case AF_FORMAT_MPEG2:
 716             case AF_FORMAT_AC3:
 717             default:
 718                 mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnsupportedAudioType,
 719                     af_fmt2str(audio_format, buf, 128), audio_format);
 720                 goto no_audio;
 721         }
 722
 723         sh_audio = new_sh_audio(demuxer, 0);
 724
 725         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLERATE,
 726                    &sh_audio->samplerate);
 727         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLESIZE,
 728                    &sh_audio->samplesize);
 729         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_CHANNELS,
 730                    &sh_audio->channels);
 731
 732         sh_audio->format = sh_audio_format;
 733         sh_audio->sample_format = audio_format;
 734
 735         sh_audio->i_bps = sh_audio->o_bps =
 736             sh_audio->samplerate * sh_audio->samplesize *
 737             sh_audio->channels;
 738
 739         // emulate WF for win32 codecs:
 740         sh_audio->wf = malloc(sizeof(WAVEFORMATEX));
 741         sh_audio->wf->wFormatTag = sh_audio->format;
 742         sh_audio->wf->nChannels = sh_audio->channels;
 743         sh_audio->wf->wBitsPerSample = sh_audio->samplesize * 8;
 744         sh_audio->wf->nSamplesPerSec = sh_audio->samplerate;
 745         sh_audio->wf->nBlockAlign = sh_audio->samplesize * sh_audio->channels;
 746         sh_audio->wf->nAvgBytesPerSec = sh_audio->i_bps;
 747
 748         mp_msg(MSGT_DECVIDEO, MSGL_V, MSGTR_TV_AudioFormat,
 749           sh_audio->wf->nChannels, sh_audio->wf->wBitsPerSample,
 750           sh_audio->wf->nSamplesPerSec);
 751
 752         demuxer->audio->sh = sh_audio;
 753         sh_audio->ds = demuxer->audio;
 754         demuxer->audio->id = 0;
 755     }
 756 no_audio:
 757
 758     if(!(funcs->start(tvh->priv))){
 759         // start failed :(
 760         tv_uninit(tvh);
 761         return NULL;
 762     }
 763
 764     /* set color eq */
 765     tv_set_color_options(tvh, TV_COLOR_BRIGHTNESS, tvh->tv_param->brightness);
 766     tv_set_color_options(tvh, TV_COLOR_HUE, tvh->tv_param->hue);
 767     tv_set_color_options(tvh, TV_COLOR_SATURATION, tvh->tv_param->saturation);
 768     tv_set_color_options(tvh, TV_COLOR_CONTRAST, tvh->tv_param->contrast);
 769
 770     if(tvh->tv_param->gain!=-1)
 771         if(funcs->control(tvh->priv,TVI_CONTROL_VID_SET_GAIN,&tvh->tv_param->gain)!=TVI_CONTROL_TRUE)
 772             mp_msg(MSGT_TV,MSGL_WARN,"Unable to set gain control!\n");
 773
 774     funcs->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
 775
 776     return demuxer;
 777 }
 778
 779 static void demux_close_tv(demuxer_t *demuxer)
 780 {
 781     tvi_handle_t *tvh=(tvi_handle_t*)(demuxer->priv);
 782     if (!tvh) return;
 783     tv_uninit(tvh);
 784     free(tvh);
 785     demuxer->priv=NULL;
 786 }
 787
 788 /* utilities for mplayer (not mencoder!!) */
 789 int tv_set_color_options(tvi_handle_t *tvh, int opt, int value)
 790 {
 791     const tvi_functions_t *funcs = tvh->functions;
 792
 793     switch(opt)
 794     {
 795         case TV_COLOR_BRIGHTNESS:
 796             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_BRIGHTNESS, &value);
 797         case TV_COLOR_HUE:
 798             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HUE, &value);
 799         case TV_COLOR_SATURATION:
 800             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_SATURATION, &value);
 801         case TV_COLOR_CONTRAST:
 802             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_CONTRAST, &value);
 803         default:
 804             mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_UnknownColorOption, opt);
 805     }
 806
 807     return(TVI_CONTROL_UNKNOWN);
 808 }
 809
 810 int tv_get_color_options(tvi_handle_t *tvh, int opt, int* value)
 811 {
 812     const tvi_functions_t *funcs = tvh->functions;
 813
 814     switch(opt)
 815     {
 816         case TV_COLOR_BRIGHTNESS:
 817             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_BRIGHTNESS, value);
 818         case TV_COLOR_HUE:
 819             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HUE, value);
 820         case TV_COLOR_SATURATION:
 821             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_SATURATION, value);
 822         case TV_COLOR_CONTRAST:
 823             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_CONTRAST, value);
 824         default:
 825             mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_UnknownColorOption, opt);
 826     }
 827
 828     return(TVI_CONTROL_UNKNOWN);
 829 }
 830
 831 int tv_get_freq(tvi_handle_t *tvh, unsigned long *freq)
 832 {
 833     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) == TVI_CONTROL_TRUE)
 834     {
 835         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, freq);
 836         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_CurrentFrequency,
 837             *freq, (float)*freq/16);
 838     }
 839     return(1);
 840 }
 841
 842 int tv_set_freq(tvi_handle_t *tvh, unsigned long freq)
 843 {
 844     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) == TVI_CONTROL_TRUE)
 845     {
 846 //      unsigned long freq = atof(tvh->tv_param->freq)*16;
 847
 848         /* set freq in MHz */
 849         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
 850
 851         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
 852         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_CurrentFrequency,
 853             freq, (float)freq/16);
 854     }
 855     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
 856     return(1);
 857 }
 858
 859 int tv_get_signal(tvi_handle_t *tvh)
 860 {
 861     int signal=0;
 862     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE ||
 863         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_SIGNAL, &signal)!=TVI_CONTROL_TRUE)
 864         return 0;
 865
 866     return signal;
 867 }
 868
 869 /*****************************************************************
 870  * \brief tune current frequency by step_interval value
 871  * \parameter step_interval increment value in 1/16 MHz
 872  * \note frequency is rounded to 1/16 MHz value
 873  * \return 1
 874  *
 875  */
 876 int tv_step_freq(tvi_handle_t* tvh, float step_interval){
 877     unsigned long frequency;
 878
 879     tvh->tv_param->scan=0;
 880     tv_get_freq(tvh,&frequency);
 881     frequency+=step_interval;
 882     return tv_set_freq(tvh,frequency);
 883 }
 884
 885 int tv_step_channel_real(tvi_handle_t *tvh, int direction)
 886 {
 887     struct CHANLIST cl;
 888
 889     tvh->tv_param->scan=0;
 890     if (direction == TV_CHANNEL_LOWER)
 891     {
 892         if (tvh->channel-1 >= 0)
 893         {
 894             strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 895             cl = tvh->chanlist_s[--tvh->channel];
 896             mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
 897                 cl.name, (float)cl.freq/1000);
 898             tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 899         }
 900     }
 901
 902     if (direction == TV_CHANNEL_HIGHER)
 903     {
 904         if (tvh->channel+1 < chanlists[tvh->chanlist].count)
 905         {
 906             strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 907             cl = tvh->chanlist_s[++tvh->channel];
 908             mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
 909                 cl.name, (float)cl.freq/1000);
 910             tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 911         }
 912     }
 913     return(1);
 914 }
 915
 916 int tv_step_channel(tvi_handle_t *tvh, int direction) {
 917         tvh->tv_param->scan=0;
 918         if (tv_channel_list) {
 919                 if (direction == TV_CHANNEL_HIGHER) {
 920                         tv_channel_last = tv_channel_current;
 921                         if (tv_channel_current->next)
 922                                 tv_channel_current = tv_channel_current->next;
 923                         else
 924                                 tv_channel_current = tv_channel_list;
 925                                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 926                                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3,
 927                         tv_channel_current->number, tv_channel_current->name, (float)tv_channel_current->freq/1000);
 928                 }
 929                 if (direction == TV_CHANNEL_LOWER) {
 930                         tv_channel_last = tv_channel_current;
 931                         if (tv_channel_current->prev)
 932                                 tv_channel_current = tv_channel_current->prev;
 933                         else
 934                                 while (tv_channel_current->next)
 935                                         tv_channel_current = tv_channel_current->next;
 936                                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 937                                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3,
 938                         tv_channel_current->number, tv_channel_current->name, (float)tv_channel_current->freq/1000);
 939                 }
 940         } else tv_step_channel_real(tvh, direction);
 941         return(1);
 942 }
 943
 944 int tv_set_channel_real(tvi_handle_t *tvh, char *channel) {
 945         int i;
 946         struct CHANLIST cl;
 947
 948         tvh->tv_param->scan=0;
 949         strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 950         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 951         {
 952             cl = tvh->chanlist_s[i];
 953 //          printf("count%d: name: %s, freq: %d\n",
 954 //              i, cl.name, cl.freq);
 955             if (!strcasecmp(cl.name, channel))
 956             {
 957                 tvh->channel = i;
 958                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
 959                     cl.name, (float)cl.freq/1000);
 960                 tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 961                 break;
 962             }
 963         }
 964         return(1);
 965 }
 966
 967 int tv_set_channel(tvi_handle_t *tvh, char *channel) {
 968         int i, channel_int;
 969
 970         tvh->tv_param->scan=0;
 971         if (tv_channel_list) {
 972                 tv_channel_last = tv_channel_current;
 973                 channel_int = atoi(channel);
 974                 tv_channel_current = tv_channel_list;
 975                 for (i = 1; i < channel_int; i++)
 976                         if (tv_channel_current->next)
 977                                 tv_channel_current = tv_channel_current->next;
 978                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3, tv_channel_current->number,
 979                                 tv_channel_current->name, (float)tv_channel_current->freq/1000);
 980                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 981         } else tv_set_channel_real(tvh, channel);
 982         return(1);
 983 }
 984
 985 int tv_last_channel(tvi_handle_t *tvh) {
 986
 987         tvh->tv_param->scan=0;
 988         if (tv_channel_list) {
 989                 tv_channels_t *tmp;
 990
 991                 tmp = tv_channel_last;
 992                 tv_channel_last = tv_channel_current;
 993                 tv_channel_current = tmp;
 994
 995                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3, tv_channel_current->number,
 996                                 tv_channel_current->name, (float)tv_channel_current->freq/1000);
 997                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 998         } else {
 999                 int i;
1000                 struct CHANLIST cl;
1001
1002                 for (i = 0; i < chanlists[tvh->chanlist].count; i++)
1003                 {
1004                     cl = tvh->chanlist_s[i];
1005                     if (!strcasecmp(cl.name, tv_channel_last_real))
1006                     {
1007                         strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
1008                         tvh->channel = i;
1009                         mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
1010                             cl.name, (float)cl.freq/1000);
1011                         tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
1012                         break;
1013                     }
1014                 }
1015         }
1016         return(1);
1017 }
1018
1019 int tv_step_norm(tvi_handle_t *tvh)
1020 {
1021   tvh->norm++;
1022   if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM,
1023                               &tvh->norm) != TVI_CONTROL_TRUE) {
1024     tvh->norm = 0;
1025     if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM,
1026                                 &tvh->norm) != TVI_CONTROL_TRUE) {
1027       mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_CannotSetNorm);
1028       return 0;
1029     }
1030   }
1031     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
1032     return(1);
1033 }
1034
1035 int tv_step_chanlist(tvi_handle_t *tvh)
1036 {
1037     return(1);
1038 }
1039
1040 int tv_set_norm(tvi_handle_t *tvh, char* norm)
1041 {
1042     tvh->norm = norm_from_string(tvh, norm);
1043
1044     mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedNorm, norm);
1045     if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
1046         mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_CannotSetNorm);
1047         return 0;
1048     }
1049     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
1050     return(1);
1051 }
1052
1053 demuxer_desc_t demuxer_desc_tv = {
1054   "Tv card demuxer",
1055   "tv",
1056   "TV",
1057   "Alex Beregszaszi, Charles R. Henrich",
1058   "?",
1059   DEMUXER_TYPE_TV,
1060   0, // no autodetect
1061   NULL,
1062   demux_tv_fill_buffer,
1063   demux_open_tv,
1064   demux_close_tv,
1065   NULL,
1066   NULL
1067 };