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 tvi_info_t tvi_info_dummy;
  45 #ifdef HAVE_TV_DSHOW
  46 extern tvi_info_dshow;
  47 #endif
  48 #ifdef HAVE_TV_V4L1
  49 extern tvi_info_t tvi_info_v4l;
  50 #endif
  51 #ifdef HAVE_TV_V4L2
  52 extern tvi_info_t tvi_info_v4l2;
  53 #endif
  54 #ifdef HAVE_TV_BSDBT848
  55 extern tvi_info_t tvi_info_bsdbt848;
  56 #endif
  57
  58 /** List of drivers in autodetection order */
  59 static const tvi_info_t* tvi_driver_list[]={
  60 #ifdef HAVE_TV_V4L2
  61     &tvi_info_v4l2,
  62 #endif
  63 #ifdef HAVE_TV_V4L1
  64     &tvi_info_v4l,
  65 #endif
  66 #ifdef HAVE_TV_BSDBT848
  67     &tvi_info_bsdbt848,
  68 #endif
  69 #ifdef HAVE_TV_DSHOW
  70     &tvi_info_dshow,
  71 #endif
  72     &tvi_info_dummy,
  73     NULL
  74 };
  75
  76 void tv_start_scan(tvi_handle_t *tvh, int start)
  77 {
  78     mp_msg(MSGT_TV,MSGL_INFO,"start scan\n");
  79     tvh->tv_param->scan=start?1:0;
  80 }
  81
  82 static void tv_scan(tvi_handle_t *tvh)
  83 {
  84     unsigned int now;
  85     struct CHANLIST cl;
  86     tv_channels_t *tv_channel_tmp=NULL;
  87     tv_channels_t *tv_channel_add=NULL;
  88     tv_scan_t* scan;
  89     int found=0, index=1;
  90
  91     //Channel scanner without tuner is useless and causes crash due to uninitialized chanlist_s
  92     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
  93     {
  94         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_ScannerNotAvailableWithoutTuner);
  95         tvh->tv_param->scan=0;
  96         return;
  97     }
  98
  99     scan = tvh->scan;
 100     now=GetTimer();
 101     if (!scan) {
 102         scan=calloc(1,sizeof(tv_scan_t));
 103         tvh->scan=scan;
 104         cl = tvh->chanlist_s[scan->channel_num];
 105         tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 106         scan->scan_timer=now+1e6*tvh->tv_param->scan_period;
 107     }
 108     if(scan->scan_timer>now)
 109         return;
 110
 111     if (tv_get_signal(tvh)>tvh->tv_param->scan_threshold) {
 112         cl = tvh->chanlist_s[scan->channel_num];
 113         tv_channel_tmp=tv_channel_list;
 114         while (tv_channel_tmp) {
 115             index++;
 116             if (cl.freq==tv_channel_tmp->freq){
 117                 found=1;
 118                 break;
 119             }
 120             tv_channel_add=tv_channel_tmp;
 121             tv_channel_tmp=tv_channel_tmp->next;
 122         }
 123         if (!found) {
 124             mp_msg(MSGT_TV, MSGL_INFO, "Found new channel: %s (#%d). \n",cl.name,index);
 125             scan->new_channels++;
 126             tv_channel_tmp = malloc(sizeof(tv_channels_t));
 127             tv_channel_tmp->index=index;
 128             tv_channel_tmp->next=NULL;
 129             tv_channel_tmp->prev=tv_channel_add;
 130             tv_channel_tmp->freq=cl.freq;
 131             snprintf(tv_channel_tmp->name,sizeof(tv_channel_tmp->name),"ch%d",index);
 132             strncpy(tv_channel_tmp->number, cl.name, 5);
 133             tv_channel_tmp->number[4]='\0';
 134             if (!tv_channel_list)
 135                 tv_channel_list=tv_channel_tmp;
 136             else {
 137                 tv_channel_add->next=tv_channel_tmp;
 138                 tv_channel_list->prev=tv_channel_tmp;
 139             }
 140         }else
 141             mp_msg(MSGT_TV, MSGL_INFO, "Found existing channel: %s-%s.\n",
 142                 tv_channel_tmp->number,tv_channel_tmp->name);
 143     }
 144     scan->channel_num++;
 145     scan->scan_timer=now+1e6*tvh->tv_param->scan_period;
 146     if (scan->channel_num>=chanlists[tvh->chanlist].count) {
 147         tvh->tv_param->scan=0;
 148         mp_msg(MSGT_TV, MSGL_INFO, "TV scan end. Found %d new channels.\n", scan->new_channels);
 149         tv_channel_tmp=tv_channel_list;
 150         if(tv_channel_tmp){
 151             mp_msg(MSGT_TV,MSGL_INFO,"channels=");
 152             while(tv_channel_tmp){
 153                 mp_msg(MSGT_TV,MSGL_INFO,"%s-%s",tv_channel_tmp->number,tv_channel_tmp->name);
 154                 if(tv_channel_tmp->next)
 155                     mp_msg(MSGT_TV,MSGL_INFO,",");
 156                 tv_channel_tmp=tv_channel_tmp->next;
 157             }
 158             mp_msg(MSGT_TV, MSGL_INFO, "\n");
 159         }
 160         if (!tv_channel_current) tv_channel_current=tv_channel_list;
 161         if (tv_channel_current)
 162             tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 163         free(tvh->scan);
 164         tvh->scan=NULL;
 165     }else{
 166         cl = tvh->chanlist_s[scan->channel_num];
 167         tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 168         mp_msg(MSGT_TV, MSGL_INFO, "Trying: %s (%.2f). \n",cl.name,1e-3*cl.freq);
 169     }
 170 }
 171
 172 /* ================== DEMUX_TV ===================== */
 173 /*
 174   Return value:
 175     0 = EOF(?) or no stream
 176     1 = successfully read a packet
 177 */
 178 /* fill demux->video and demux->audio */
 179
 180 static int demux_tv_fill_buffer(demuxer_t *demux, demux_stream_t *ds)
 181 {
 182     tvi_handle_t *tvh=(tvi_handle_t*)(demux->priv);
 183     demux_packet_t* dp;
 184     unsigned int len=0;
 185
 186     /* ================== ADD AUDIO PACKET =================== */
 187
 188     if (ds==demux->audio && tvh->tv_param->noaudio == 0 &&
 189         tvh->functions->control(tvh->priv,
 190                                 TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
 191         {
 192         len = tvh->functions->get_audio_framesize(tvh->priv);
 193
 194         dp=new_demux_packet(len);
 195         dp->flags|=1; /* Keyframe */
 196         dp->pts=tvh->functions->grab_audio_frame(tvh->priv, dp->buffer,len);
 197         ds_add_packet(demux->audio,dp);
 198         }
 199
 200     /* ================== ADD VIDEO PACKET =================== */
 201
 202     if (ds==demux->video && tvh->functions->control(tvh->priv,
 203                             TVI_CONTROL_IS_VIDEO, 0) == TVI_CONTROL_TRUE)
 204         {
 205                 len = tvh->functions->get_video_framesize(tvh->priv);
 206         dp=new_demux_packet(len);
 207                 dp->flags|=1; /* Keyframe */
 208                 dp->pts=tvh->functions->grab_video_frame(tvh->priv, dp->buffer, len);
 209                 ds_add_packet(demux->video,dp);
 210          }
 211
 212     if (tvh->tv_param->scan) tv_scan(tvh);
 213     return 1;
 214 }
 215
 216 static int norm_from_string(tvi_handle_t *tvh, char* norm)
 217 {
 218     tvi_functions_t *funcs = tvh->functions;
 219     char str[20];
 220     int ret;
 221
 222     strncpy(str, norm, sizeof(str)-1);
 223     str[sizeof(str)-1] = '\0';
 224     ret=funcs->control(tvh->priv, TVI_CONTROL_SPC_GET_NORMID, str);
 225
 226     if(ret==TVI_CONTROL_TRUE)
 227         return *(int *)str;
 228
 229     if(ret!=TVI_CONTROL_UNKNOWN)
 230     {
 231         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_BogusNormParameter, norm,"default");
 232         return 0;
 233     }
 234
 235     if (!strcasecmp(norm, "pal"))
 236         return TV_NORM_PAL;
 237     else if (!strcasecmp(norm, "ntsc"))
 238         return TV_NORM_NTSC;
 239     else if (!strcasecmp(norm, "secam"))
 240         return TV_NORM_SECAM;
 241     else if (!strcasecmp(norm, "palnc"))
 242         return TV_NORM_PALNC;
 243     else if (!strcasecmp(norm, "palm"))
 244         return TV_NORM_PALM;
 245     else if (!strcasecmp(norm, "paln"))
 246         return TV_NORM_PALN;
 247     else if (!strcasecmp(norm, "ntscjp"))
 248         return TV_NORM_NTSCJP;
 249     else {
 250         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_BogusNormParameter, norm, "PAL");
 251         return TV_NORM_PAL;
 252     }
 253 }
 254
 255 static void parse_channels(tvi_handle_t *tvh)
 256 {
 257     char** channels = tvh->tv_param->channels;
 258
 259     mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_ChannelNamesDetected);
 260     tv_channel_list = malloc(sizeof(tv_channels_t));
 261     tv_channel_list->index=1;
 262     tv_channel_list->next=NULL;
 263     tv_channel_list->prev=NULL;
 264     tv_channel_current = tv_channel_list;
 265
 266     while (*channels) {
 267         char* tmp = *(channels++);
 268         char* sep = strchr(tmp,'-');
 269         int i;
 270         struct CHANLIST cl;
 271
 272         if (!sep) continue; // Wrong syntax, but mplayer should not crash
 273
 274         av_strlcpy(tv_channel_current->name, sep + 1,
 275                         sizeof(tv_channel_current->name));
 276         sep[0] = '\0';
 277         strncpy(tv_channel_current->number, tmp, 5);
 278         tv_channel_current->number[4]='\0';
 279
 280         while ((sep=strchr(tv_channel_current->name, '_')))
 281             sep[0] = ' ';
 282
 283         // if channel number is a number and larger than 1000 threat it as frequency
 284         // tmp still contain pointer to null-terminated string with channel number here
 285         if (atoi(tmp)>1000){
 286             tv_channel_current->freq=atoi(tmp);
 287         }else{
 288             tv_channel_current->freq = 0;
 289             for (i = 0; i < chanlists[tvh->chanlist].count; i++) {
 290                 cl = tvh->chanlist_s[i];
 291                 if (!strcasecmp(cl.name, tv_channel_current->number)) {
 292                     tv_channel_current->freq=cl.freq;
 293                     break;
 294                 }
 295             }
 296         }
 297         if (tv_channel_current->freq == 0)
 298             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_NoFreqForChannel,
 299                             tv_channel_current->number, tv_channel_current->name);
 300         else {
 301           sep = strchr(tv_channel_current->name, '-');
 302           if ( !sep ) sep = strchr(tv_channel_current->name, '+');
 303
 304           if ( sep ) {
 305             i = atoi (sep+1);
 306             if ( sep[0] == '+' ) tv_channel_current->freq += i * 100;
 307             if ( sep[0] == '-' ) tv_channel_current->freq -= i * 100;
 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     }
 322     if (tv_channel_current->prev)
 323         tv_channel_current->prev->next = NULL;
 324     free(tv_channel_current);
 325 }
 326 static int open_tv(tvi_handle_t *tvh)
 327 {
 328     int i;
 329     tvi_functions_t *funcs = tvh->functions;
 330     int tv_fmt_list[] = {
 331       IMGFMT_YV12,
 332       IMGFMT_I420,
 333       IMGFMT_UYVY,
 334       IMGFMT_YUY2,
 335       IMGFMT_RGB32,
 336       IMGFMT_RGB24,
 337       IMGFMT_RGB16,
 338       IMGFMT_RGB15
 339     };
 340
 341     if (funcs->control(tvh->priv, TVI_CONTROL_IS_VIDEO, 0) != TVI_CONTROL_TRUE)
 342     {
 343         mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_NoVideoInputPresent);
 344         return 0;
 345     }
 346
 347     if (tvh->tv_param->outfmt == -1)
 348       for (i = 0; i < sizeof (tv_fmt_list) / sizeof (*tv_fmt_list); i++)
 349         {
 350           tvh->tv_param->outfmt = tv_fmt_list[i];
 351           if (funcs->control (tvh->priv, TVI_CONTROL_VID_SET_FORMAT,
 352                               &tvh->tv_param->outfmt) == TVI_CONTROL_TRUE)
 353             break;
 354         }
 355     else
 356     {
 357     switch(tvh->tv_param->outfmt)
 358     {
 359         case IMGFMT_YV12:
 360         case IMGFMT_I420:
 361         case IMGFMT_UYVY:
 362         case IMGFMT_YUY2:
 363         case IMGFMT_RGB32:
 364         case IMGFMT_RGB24:
 365         case IMGFMT_BGR32:
 366         case IMGFMT_BGR24:
 367         case IMGFMT_BGR16:
 368         case IMGFMT_BGR15:
 369             break;
 370         default:
 371             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnknownImageFormat,tvh->tv_param->outfmt);
 372     }
 373     funcs->control(tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &tvh->tv_param->outfmt);
 374     }
 375
 376     /* set some params got from cmdline */
 377     funcs->control(tvh->priv, TVI_CONTROL_SPC_SET_INPUT, &tvh->tv_param->input);
 378
 379 #if defined(HAVE_TV_V4L2) || defined(HAVE_TV_DSHOW)
 380     if (0
 381 #ifdef HAVE_TV_V4L2
 382     || (!strcmp(tvh->tv_param->driver, "v4l2") && tvh->tv_param->normid >= 0)
 383 #endif
 384 #ifdef HAVE_TV_DSHOW
 385     || (!strcmp(tvh->tv_param->driver, "dshow") && tvh->tv_param->normid >= 0)
 386 #endif
 387     ) {
 388         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedNormId, tvh->tv_param->normid);
 389         if (funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->tv_param->normid) != TVI_CONTROL_TRUE) {
 390             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_CannotSetNorm);
 391         }
 392     } else
 393 #endif
 394     tv_set_norm(tvh,tvh->tv_param->norm);
 395
 396 #ifdef HAVE_TV_V4L1
 397     if ( tvh->tv_param->mjpeg )
 398     {
 399       /* set width to expected value */
 400       if (tvh->tv_param->width == -1)
 401         {
 402           tvh->tv_param->width = 704/tvh->tv_param->decimation;
 403         }
 404       if (tvh->tv_param->height == -1)
 405         {
 406           if ( tvh->norm != TV_NORM_NTSC )
 407             tvh->tv_param->height = 576/tvh->tv_param->decimation;
 408           else
 409             tvh->tv_param->height = 480/tvh->tv_param->decimation;
 410         }
 411       mp_msg(MSGT_TV, MSGL_INFO,
 412                MSGTR_TV_MJP_WidthHeight, tvh->tv_param->width, tvh->tv_param->height);
 413     }
 414 #endif
 415
 416     /* limits on w&h are norm-dependent -- JM */
 417     /* set width */
 418     if (tvh->tv_param->width != -1)
 419     {
 420         if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_WIDTH, &tvh->tv_param->width) == TVI_CONTROL_TRUE)
 421             funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH, &tvh->tv_param->width);
 422         else
 423         {
 424             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnableToSetWidth, tvh->tv_param->width);
 425             funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &tvh->tv_param->width);
 426         }
 427     }
 428
 429     /* set height */
 430     if (tvh->tv_param->height != -1)
 431     {
 432         if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_HEIGHT, &tvh->tv_param->height) == TVI_CONTROL_TRUE)
 433             funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HEIGHT, &tvh->tv_param->height);
 434         else
 435         {
 436             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnableToSetHeight, tvh->tv_param->height);
 437             funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &tvh->tv_param->height);
 438         }
 439     }
 440
 441     if (funcs->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
 442     {
 443         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_NoTuner);
 444         goto done;
 445     }
 446
 447     /* select channel list */
 448     for (i = 0; chanlists[i].name != NULL; i++)
 449     {
 450         if (!strcasecmp(chanlists[i].name, tvh->tv_param->chanlist))
 451         {
 452             tvh->chanlist = i;
 453             tvh->chanlist_s = chanlists[i].list;
 454             break;
 455         }
 456     }
 457
 458     if (tvh->chanlist == -1)
 459         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_UnableFindChanlist,
 460             tvh->tv_param->chanlist);
 461     else
 462         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedChanlist,
 463             chanlists[tvh->chanlist].name, chanlists[tvh->chanlist].count);
 464
 465     if (tvh->tv_param->freq && tvh->tv_param->channel)
 466     {
 467         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_ChannelFreqParamConflict);
 468         goto done;
 469     }
 470
 471     /* Handle channel names */
 472     if (tvh->tv_param->channels) {
 473         parse_channels(tvh);
 474     } else
 475             tv_channel_last_real = malloc(5);
 476
 477     if (tv_channel_list) {
 478         int i;
 479         int channel = 0;
 480         if (tvh->tv_param->channel)
 481          {
 482            if (isdigit(*tvh->tv_param->channel))
 483                 /* if tvh->tv_param->channel begins with a digit interpret it as a number */
 484                 channel = atoi(tvh->tv_param->channel);
 485            else
 486               {
 487                 /* if tvh->tv_param->channel does not begin with a digit
 488                    set the first channel that contains tvh->tv_param->channel in its name */
 489
 490                 tv_channel_current = tv_channel_list;
 491                 while ( tv_channel_current ) {
 492                         if ( strstr(tv_channel_current->name, tvh->tv_param->channel) )
 493                           break;
 494                         tv_channel_current = tv_channel_current->next;
 495                         }
 496                 if ( !tv_channel_current ) tv_channel_current = tv_channel_list;
 497               }
 498          }
 499         else
 500                 channel = 1;
 501
 502         if ( channel ) {
 503         tv_channel_current = tv_channel_list;
 504         for (i = 1; i < channel; i++)
 505                 if (tv_channel_current->next)
 506                         tv_channel_current = tv_channel_current->next;
 507         }
 508
 509         mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3, tv_channel_current->number,
 510                         tv_channel_current->name, (float)tv_channel_current->freq/1000);
 511         tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 512         tv_channel_last = tv_channel_current;
 513     } else {
 514     /* we need to set frequency */
 515     if (tvh->tv_param->freq)
 516     {
 517         unsigned long freq = atof(tvh->tv_param->freq)*16;
 518
 519         /* set freq in MHz */
 520         funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
 521
 522         funcs->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
 523         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedFrequency,
 524             freq, (float)freq/16);
 525     }
 526
 527             if (tvh->tv_param->channel) {
 528         struct CHANLIST cl;
 529
 530         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_RequestedChannel, tvh->tv_param->channel);
 531         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 532         {
 533             cl = tvh->chanlist_s[i];
 534                     //  printf("count%d: name: %s, freq: %d\n",
 535                     //  i, cl.name, cl.freq);
 536             if (!strcasecmp(cl.name, tvh->tv_param->channel))
 537             {
 538                         strcpy(tv_channel_last_real, cl.name);
 539                 tvh->channel = i;
 540                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
 541                     cl.name, (float)cl.freq/1000);
 542                 tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 543                 break;
 544             }
 545         }
 546     }
 547     }
 548
 549     /* grep frequency in chanlist */
 550     {
 551         unsigned long i2;
 552         int freq;
 553
 554         tv_get_freq(tvh, &i2);
 555
 556         freq = (int) (((float)(i2/16))*1000)+250;
 557
 558         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 559         {
 560             if (tvh->chanlist_s[i].freq == freq)
 561             {
 562                 tvh->channel = i+1;
 563                 break;
 564             }
 565         }
 566     }
 567
 568 done:
 569     /* also start device! */
 570         return 1;
 571 }
 572
 573 static tvi_handle_t *tv_begin(tv_param_t* tv_param)
 574 {
 575     int i;
 576     tvi_handle_t* h;
 577     if(tv_param->driver && !strcmp(tv_param->driver,"help")){
 578         mp_msg(MSGT_TV,MSGL_INFO,MSGTR_TV_AvailableDrivers);
 579         for(i=0;tvi_driver_list[i];i++){
 580             mp_msg(MSGT_TV,MSGL_INFO," %s\t%s",tvi_driver_list[i]->short_name,tvi_driver_list[i]->name);
 581             if(tvi_driver_list[i]->comment)
 582                 mp_msg(MSGT_TV,MSGL_INFO," (%s)",tvi_driver_list[i]->comment);
 583             mp_msg(MSGT_TV,MSGL_INFO,"\n");
 584         }
 585         return NULL;
 586     }
 587
 588     for(i=0;tvi_driver_list[i];i++){
 589         if (!tv_param->driver || !strcmp(tvi_driver_list[i]->short_name, tv_param->driver)){
 590             h=tvi_driver_list[i]->tvi_init(tv_param);
 591             //Requested driver initialization failed
 592             if (!h && tv_param->driver)
 593                 return NULL;
 594             //Driver initialization failed during autodetection process.
 595             if (!h)
 596                 continue;
 597
 598             h->tv_param=tv_param;
 599             mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_DriverInfo, tvi_driver_list[i]->short_name,
 600             tvi_driver_list[i]->name,
 601             tvi_driver_list[i]->author,
 602             tvi_driver_list[i]->comment?tvi_driver_list[i]->comment:"");
 603             tv_param->driver=strdup(tvi_driver_list[i]->short_name);
 604             return h;
 605         }
 606     }
 607
 608     if(tv_param->driver)
 609         mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_NoSuchDriver, tv_param->driver);
 610     else
 611         mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_DriverAutoDetectionFailed);
 612     return(NULL);
 613 }
 614
 615 static int tv_uninit(tvi_handle_t *tvh)
 616 {
 617     int res;
 618     if(!tvh) return 1;
 619     if (!tvh->priv) return 1;
 620     res=tvh->functions->uninit(tvh->priv);
 621     if(res) {
 622         free(tvh->priv);
 623         tvh->priv=NULL;
 624     }
 625     return res;
 626 }
 627
 628 static demuxer_t* demux_open_tv(demuxer_t *demuxer)
 629 {
 630     tvi_handle_t *tvh;
 631     sh_video_t *sh_video;
 632     sh_audio_t *sh_audio = NULL;
 633     tvi_functions_t *funcs;
 634
 635     demuxer->priv=NULL;
 636     if(!(tvh=tv_begin(demuxer->stream->priv))) return NULL;
 637     if (!tvh->functions->init(tvh->priv)) return NULL;
 638
 639     tvh->functions->control(tvh->priv,TVI_CONTROL_VBI_INIT,&(tvh->tv_param->tdevice));
 640
 641     if (!open_tv(tvh)){
 642         tv_uninit(tvh);
 643         return NULL;
 644     }
 645     funcs = tvh->functions;
 646     demuxer->priv=tvh;
 647
 648     sh_video = new_sh_video(demuxer, 0);
 649
 650     /* get IMAGE FORMAT */
 651     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FORMAT, &sh_video->format);
 652 //    if (IMGFMT_IS_RGB(sh_video->format) || IMGFMT_IS_BGR(sh_video->format))
 653 //      sh_video->format = 0x0;
 654
 655     /* set FPS and FRAMETIME */
 656
 657     if(!sh_video->fps)
 658     {
 659         float tmp;
 660         if (funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FPS, &tmp) != TVI_CONTROL_TRUE)
 661              sh_video->fps = 25.0f; /* on PAL */
 662         else sh_video->fps = tmp;
 663     }
 664
 665     if (tvh->tv_param->fps != -1.0f)
 666         sh_video->fps = tvh->tv_param->fps;
 667
 668     sh_video->frametime = 1.0f/sh_video->fps;
 669
 670     /* If playback only mode, go to immediate mode, fail silently */
 671     if(tvh->tv_param->immediate == 1)
 672         {
 673         funcs->control(tvh->priv, TVI_CONTROL_IMMEDIATE, 0);
 674         tvh->tv_param->noaudio = 1;
 675         }
 676
 677     /* disable TV audio if -nosound is present */
 678     if (!demuxer->audio || demuxer->audio->id == -2) {
 679         tvh->tv_param->noaudio = 1;
 680     }
 681
 682     /* set width */
 683     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &sh_video->disp_w);
 684
 685     /* set height */
 686     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &sh_video->disp_h);
 687
 688     demuxer->video->sh = sh_video;
 689     sh_video->ds = demuxer->video;
 690     demuxer->video->id = 0;
 691     demuxer->seekable = 0;
 692
 693     /* here comes audio init */
 694     if (tvh->tv_param->noaudio == 0 && funcs->control(tvh->priv, TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
 695     {
 696         int audio_format;
 697         int sh_audio_format;
 698         char buf[128];
 699
 700         /* yeah, audio is present */
 701
 702         funcs->control(tvh->priv, TVI_CONTROL_AUD_SET_SAMPLERATE,
 703                                   &tvh->tv_param->audiorate);
 704
 705         if (funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_FORMAT, &audio_format) != TVI_CONTROL_TRUE)
 706             goto no_audio;
 707
 708         switch(audio_format)
 709         {
 710             case AF_FORMAT_U8:
 711             case AF_FORMAT_S8:
 712             case AF_FORMAT_U16_LE:
 713             case AF_FORMAT_U16_BE:
 714             case AF_FORMAT_S16_LE:
 715             case AF_FORMAT_S16_BE:
 716             case AF_FORMAT_S32_LE:
 717             case AF_FORMAT_S32_BE:
 718                 sh_audio_format = 0x1; /* PCM */
 719                 break;
 720             case AF_FORMAT_IMA_ADPCM:
 721             case AF_FORMAT_MU_LAW:
 722             case AF_FORMAT_A_LAW:
 723             case AF_FORMAT_MPEG2:
 724             case AF_FORMAT_AC3:
 725             default:
 726                 mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnsupportedAudioType,
 727                     af_fmt2str(audio_format, buf, 128), audio_format);
 728                 goto no_audio;
 729         }
 730
 731         sh_audio = new_sh_audio(demuxer, 0);
 732
 733         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLERATE,
 734                    &sh_audio->samplerate);
 735         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLESIZE,
 736                    &sh_audio->samplesize);
 737         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_CHANNELS,
 738                    &sh_audio->channels);
 739
 740         sh_audio->format = sh_audio_format;
 741         sh_audio->sample_format = audio_format;
 742
 743         sh_audio->i_bps = sh_audio->o_bps =
 744             sh_audio->samplerate * sh_audio->samplesize *
 745             sh_audio->channels;
 746
 747         // emulate WF for win32 codecs:
 748         sh_audio->wf = malloc(sizeof(WAVEFORMATEX));
 749         sh_audio->wf->wFormatTag = sh_audio->format;
 750         sh_audio->wf->nChannels = sh_audio->channels;
 751         sh_audio->wf->wBitsPerSample = sh_audio->samplesize * 8;
 752         sh_audio->wf->nSamplesPerSec = sh_audio->samplerate;
 753         sh_audio->wf->nBlockAlign = sh_audio->samplesize * sh_audio->channels;
 754         sh_audio->wf->nAvgBytesPerSec = sh_audio->i_bps;
 755
 756         mp_msg(MSGT_DECVIDEO, MSGL_V, MSGTR_TV_AudioFormat,
 757           sh_audio->wf->nChannels, sh_audio->wf->wBitsPerSample,
 758           sh_audio->wf->nSamplesPerSec);
 759
 760         demuxer->audio->sh = sh_audio;
 761         sh_audio->ds = demuxer->audio;
 762         demuxer->audio->id = 0;
 763     }
 764 no_audio:
 765
 766     if(!(funcs->start(tvh->priv))){
 767         // start failed :(
 768         tv_uninit(tvh);
 769         return NULL;
 770     }
 771
 772     /* set color eq */
 773     tv_set_color_options(tvh, TV_COLOR_BRIGHTNESS, tvh->tv_param->brightness);
 774     tv_set_color_options(tvh, TV_COLOR_HUE, tvh->tv_param->hue);
 775     tv_set_color_options(tvh, TV_COLOR_SATURATION, tvh->tv_param->saturation);
 776     tv_set_color_options(tvh, TV_COLOR_CONTRAST, tvh->tv_param->contrast);
 777
 778     if(tvh->tv_param->gain!=-1)
 779         if(funcs->control(tvh->priv,TVI_CONTROL_VID_SET_GAIN,&tvh->tv_param->gain)!=TVI_CONTROL_TRUE)
 780             mp_msg(MSGT_TV,MSGL_WARN,"Unable to set gain control!\n");
 781
 782     funcs->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
 783
 784     return demuxer;
 785 }
 786
 787 static void demux_close_tv(demuxer_t *demuxer)
 788 {
 789     tvi_handle_t *tvh=(tvi_handle_t*)(demuxer->priv);
 790     if (!tvh) return;
 791     tv_uninit(tvh);
 792     free(tvh);
 793     demuxer->priv=NULL;
 794 }
 795
 796 /* utilities for mplayer (not mencoder!!) */
 797 int tv_set_color_options(tvi_handle_t *tvh, int opt, int value)
 798 {
 799     tvi_functions_t *funcs = tvh->functions;
 800
 801     switch(opt)
 802     {
 803         case TV_COLOR_BRIGHTNESS:
 804             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_BRIGHTNESS, &value);
 805         case TV_COLOR_HUE:
 806             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HUE, &value);
 807         case TV_COLOR_SATURATION:
 808             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_SATURATION, &value);
 809         case TV_COLOR_CONTRAST:
 810             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_CONTRAST, &value);
 811         default:
 812             mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_UnknownColorOption, opt);
 813     }
 814
 815     return(TVI_CONTROL_UNKNOWN);
 816 }
 817
 818 int tv_get_color_options(tvi_handle_t *tvh, int opt, int* value)
 819 {
 820     tvi_functions_t *funcs = tvh->functions;
 821
 822     switch(opt)
 823     {
 824         case TV_COLOR_BRIGHTNESS:
 825             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_BRIGHTNESS, value);
 826         case TV_COLOR_HUE:
 827             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HUE, value);
 828         case TV_COLOR_SATURATION:
 829             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_SATURATION, value);
 830         case TV_COLOR_CONTRAST:
 831             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_CONTRAST, value);
 832         default:
 833             mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_UnknownColorOption, opt);
 834     }
 835
 836     return(TVI_CONTROL_UNKNOWN);
 837 }
 838
 839 int tv_get_freq(tvi_handle_t *tvh, unsigned long *freq)
 840 {
 841     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) == TVI_CONTROL_TRUE)
 842     {
 843         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, freq);
 844         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_CurrentFrequency,
 845             *freq, (float)*freq/16);
 846     }
 847     return(1);
 848 }
 849
 850 int tv_set_freq(tvi_handle_t *tvh, unsigned long freq)
 851 {
 852     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) == TVI_CONTROL_TRUE)
 853     {
 854 //      unsigned long freq = atof(tvh->tv_param->freq)*16;
 855
 856         /* set freq in MHz */
 857         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
 858
 859         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
 860         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_CurrentFrequency,
 861             freq, (float)freq/16);
 862     }
 863     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
 864     return(1);
 865 }
 866
 867 int tv_get_signal(tvi_handle_t *tvh)
 868 {
 869     int signal=0;
 870     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE ||
 871         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_SIGNAL, &signal)!=TVI_CONTROL_TRUE)
 872         return 0;
 873
 874     return signal;
 875 }
 876
 877 /*****************************************************************
 878  * \brief tune current frequency by step_interval value
 879  * \parameter step_interval increment value in 1/16 MHz
 880  * \note frequency is rounded to 1/16 MHz value
 881  * \return 1
 882  *
 883  */
 884 int tv_step_freq(tvi_handle_t* tvh, float step_interval){
 885     unsigned long frequency;
 886
 887     tvh->tv_param->scan=0;
 888     tv_get_freq(tvh,&frequency);
 889     frequency+=step_interval;
 890     return tv_set_freq(tvh,frequency);
 891 }
 892
 893 int tv_step_channel_real(tvi_handle_t *tvh, int direction)
 894 {
 895     struct CHANLIST cl;
 896
 897     tvh->tv_param->scan=0;
 898     if (direction == TV_CHANNEL_LOWER)
 899     {
 900         if (tvh->channel-1 >= 0)
 901         {
 902             strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 903             cl = tvh->chanlist_s[--tvh->channel];
 904             mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
 905                 cl.name, (float)cl.freq/1000);
 906             tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 907         }
 908     }
 909
 910     if (direction == TV_CHANNEL_HIGHER)
 911     {
 912         if (tvh->channel+1 < chanlists[tvh->chanlist].count)
 913         {
 914             strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 915             cl = tvh->chanlist_s[++tvh->channel];
 916             mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
 917                 cl.name, (float)cl.freq/1000);
 918             tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 919         }
 920     }
 921     return(1);
 922 }
 923
 924 int tv_step_channel(tvi_handle_t *tvh, int direction) {
 925         tvh->tv_param->scan=0;
 926         if (tv_channel_list) {
 927                 if (direction == TV_CHANNEL_HIGHER) {
 928                         tv_channel_last = tv_channel_current;
 929                         if (tv_channel_current->next)
 930                                 tv_channel_current = tv_channel_current->next;
 931                         else
 932                                 tv_channel_current = tv_channel_list;
 933                                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 934                                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3,
 935                         tv_channel_current->number, tv_channel_current->name, (float)tv_channel_current->freq/1000);
 936                 }
 937                 if (direction == TV_CHANNEL_LOWER) {
 938                         tv_channel_last = tv_channel_current;
 939                         if (tv_channel_current->prev)
 940                                 tv_channel_current = tv_channel_current->prev;
 941                         else
 942                                 while (tv_channel_current->next)
 943                                         tv_channel_current = tv_channel_current->next;
 944                                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 945                                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3,
 946                         tv_channel_current->number, tv_channel_current->name, (float)tv_channel_current->freq/1000);
 947                 }
 948         } else tv_step_channel_real(tvh, direction);
 949         return(1);
 950 }
 951
 952 int tv_set_channel_real(tvi_handle_t *tvh, char *channel) {
 953         int i;
 954         struct CHANLIST cl;
 955
 956         tvh->tv_param->scan=0;
 957         strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 958         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 959         {
 960             cl = tvh->chanlist_s[i];
 961 //          printf("count%d: name: %s, freq: %d\n",
 962 //              i, cl.name, cl.freq);
 963             if (!strcasecmp(cl.name, channel))
 964             {
 965                 tvh->channel = i;
 966                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
 967                     cl.name, (float)cl.freq/1000);
 968                 tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 969                 break;
 970             }
 971         }
 972         return(1);
 973 }
 974
 975 int tv_set_channel(tvi_handle_t *tvh, char *channel) {
 976         int i, channel_int;
 977
 978         tvh->tv_param->scan=0;
 979         if (tv_channel_list) {
 980                 tv_channel_last = tv_channel_current;
 981                 channel_int = atoi(channel);
 982                 tv_channel_current = tv_channel_list;
 983                 for (i = 1; i < channel_int; i++)
 984                         if (tv_channel_current->next)
 985                                 tv_channel_current = tv_channel_current->next;
 986                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3, tv_channel_current->number,
 987                                 tv_channel_current->name, (float)tv_channel_current->freq/1000);
 988                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 989         } else tv_set_channel_real(tvh, channel);
 990         return(1);
 991 }
 992
 993 int tv_last_channel(tvi_handle_t *tvh) {
 994
 995         tvh->tv_param->scan=0;
 996         if (tv_channel_list) {
 997                 tv_channels_t *tmp;
 998
 999                 tmp = tv_channel_last;
1000                 tv_channel_last = tv_channel_current;
1001                 tv_channel_current = tmp;
1002
1003                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3, tv_channel_current->number,
1004                                 tv_channel_current->name, (float)tv_channel_current->freq/1000);
1005                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
1006         } else {
1007                 int i;
1008                 struct CHANLIST cl;
1009
1010                 for (i = 0; i < chanlists[tvh->chanlist].count; i++)
1011                 {
1012                     cl = tvh->chanlist_s[i];
1013                     if (!strcasecmp(cl.name, tv_channel_last_real))
1014                     {
1015                         strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
1016                         tvh->channel = i;
1017                         mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
1018                             cl.name, (float)cl.freq/1000);
1019                         tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
1020                         break;
1021                     }
1022                 }
1023         }
1024         return(1);
1025 }
1026
1027 int tv_step_norm(tvi_handle_t *tvh)
1028 {
1029   tvh->norm++;
1030   if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM,
1031                               &tvh->norm) != TVI_CONTROL_TRUE) {
1032     tvh->norm = 0;
1033     if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM,
1034                                 &tvh->norm) != TVI_CONTROL_TRUE) {
1035       mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_CannotSetNorm);
1036       return 0;
1037     }
1038   }
1039     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
1040     return(1);
1041 }
1042
1043 int tv_step_chanlist(tvi_handle_t *tvh)
1044 {
1045     return(1);
1046 }
1047
1048 int tv_set_norm(tvi_handle_t *tvh, char* norm)
1049 {
1050     tvh->norm = norm_from_string(tvh, norm);
1051
1052     mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedNorm, norm);
1053     if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
1054         mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_CannotSetNorm);
1055         return 0;
1056     }
1057     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
1058     return(1);
1059 }
1060
1061 demuxer_desc_t demuxer_desc_tv = {
1062   "Tv card demuxer",
1063   "tv",
1064   "TV",
1065   "Alex Beregszaszi, Charles R. Henrich",
1066   "?",
1067   DEMUXER_TYPE_TV,
1068   0, // no autodetect
1069   NULL,
1070   demux_tv_fill_buffer,
1071   demux_open_tv,
1072   demux_close_tv,
1073   NULL,
1074   NULL
1075 };