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_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     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_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_NoFreqForChannel,
 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_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedNorm, norm);
 332     if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
 333         mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_CannotSetNorm);
 334         return 0;
 335     }
 336     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
 337     return 1;
 338 }
 339
 340 int tv_set_norm_i(tvi_handle_t *tvh, int norm)
 341 {
 342    tvh->norm = norm;
 343
 344    mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedNormId, norm);
 345    if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM, &tvh->norm) != TVI_CONTROL_TRUE) {
 346       mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_CannotSetNorm);
 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_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_NoVideoInputPresent);
 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_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnknownImageFormat,tvh->tv_param->outfmt);
 400     }
 401     funcs->control(tvh->priv, TVI_CONTROL_VID_SET_FORMAT, &tvh->tv_param->outfmt);
 402     }
 403
 404     /* set some params got from cmdline */
 405     funcs->control(tvh->priv, TVI_CONTROL_SPC_SET_INPUT, &tvh->tv_param->input);
 406
 407 #if defined(CONFIG_TV_V4L2) || defined(CONFIG_TV_DSHOW)
 408     if (0
 409 #ifdef CONFIG_TV_V4L2
 410     || (!strcmp(tvh->tv_param->driver, "v4l2") && tvh->tv_param->normid >= 0)
 411 #endif
 412 #ifdef CONFIG_TV_DSHOW
 413     || (!strcmp(tvh->tv_param->driver, "dshow") && tvh->tv_param->normid >= 0)
 414 #endif
 415     )
 416         tv_set_norm_i(tvh, tvh->tv_param->normid);
 417     else
 418 #endif
 419     tv_set_norm(tvh,tvh->tv_param->norm);
 420
 421 #ifdef CONFIG_TV_V4L1
 422     if ( tvh->tv_param->mjpeg )
 423     {
 424       /* set width to expected value */
 425       if (tvh->tv_param->width == -1)
 426         {
 427           tvh->tv_param->width = 704/tvh->tv_param->decimation;
 428         }
 429       if (tvh->tv_param->height == -1)
 430         {
 431           if ( tvh->norm != TV_NORM_NTSC )
 432             tvh->tv_param->height = 576/tvh->tv_param->decimation;
 433           else
 434             tvh->tv_param->height = 480/tvh->tv_param->decimation;
 435         }
 436       mp_msg(MSGT_TV, MSGL_INFO,
 437                MSGTR_TV_MJP_WidthHeight, tvh->tv_param->width, tvh->tv_param->height);
 438     }
 439 #endif
 440
 441     /* limits on w&h are norm-dependent -- JM */
 442     if (tvh->tv_param->width != -1 && tvh->tv_param->height != -1) {
 443         // first tell the driver both width and height, some drivers do not support setting them independently.
 444         int dim[2];
 445         dim[0] = tvh->tv_param->width; dim[1] = tvh->tv_param->height;
 446         funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH_HEIGHT, dim);
 447     }
 448     /* set width */
 449     if (tvh->tv_param->width != -1)
 450     {
 451         if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_WIDTH, &tvh->tv_param->width) == TVI_CONTROL_TRUE)
 452             funcs->control(tvh->priv, TVI_CONTROL_VID_SET_WIDTH, &tvh->tv_param->width);
 453         else
 454         {
 455             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnableToSetWidth, tvh->tv_param->width);
 456             funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &tvh->tv_param->width);
 457         }
 458     }
 459
 460     /* set height */
 461     if (tvh->tv_param->height != -1)
 462     {
 463         if (funcs->control(tvh->priv, TVI_CONTROL_VID_CHK_HEIGHT, &tvh->tv_param->height) == TVI_CONTROL_TRUE)
 464             funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HEIGHT, &tvh->tv_param->height);
 465         else
 466         {
 467             mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnableToSetHeight, tvh->tv_param->height);
 468             funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &tvh->tv_param->height);
 469         }
 470     }
 471
 472     if (funcs->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE)
 473     {
 474         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_NoTuner);
 475         goto done;
 476     }
 477
 478     /* select channel list */
 479     for (i = 0; chanlists[i].name != NULL; i++)
 480     {
 481         if (!strcasecmp(chanlists[i].name, tvh->tv_param->chanlist))
 482         {
 483             tvh->chanlist = i;
 484             tvh->chanlist_s = chanlists[i].list;
 485             break;
 486         }
 487     }
 488
 489     if (tvh->chanlist == -1)
 490         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_UnableFindChanlist,
 491             tvh->tv_param->chanlist);
 492     else
 493         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedChanlist,
 494             chanlists[tvh->chanlist].name, chanlists[tvh->chanlist].count);
 495
 496     if (tvh->tv_param->freq && tvh->tv_param->channel)
 497     {
 498         mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_ChannelFreqParamConflict);
 499         goto done;
 500     }
 501
 502     /* Handle channel names */
 503     if (tvh->tv_param->channels) {
 504         parse_channels(tvh);
 505     } else
 506             tv_channel_last_real = malloc(5);
 507
 508     if (tv_channel_list) {
 509         int i;
 510         int channel = 0;
 511         if (tvh->tv_param->channel)
 512          {
 513            if (isdigit(*tvh->tv_param->channel))
 514                 /* if tvh->tv_param->channel begins with a digit interpret it as a number */
 515                 channel = atoi(tvh->tv_param->channel);
 516            else
 517               {
 518                 /* if tvh->tv_param->channel does not begin with a digit
 519                    set the first channel that contains tvh->tv_param->channel in its name */
 520
 521                 tv_channel_current = tv_channel_list;
 522                 while ( tv_channel_current ) {
 523                         if ( strstr(tv_channel_current->name, tvh->tv_param->channel) )
 524                           break;
 525                         tv_channel_current = tv_channel_current->next;
 526                         }
 527                 if ( !tv_channel_current ) tv_channel_current = tv_channel_list;
 528               }
 529          }
 530         else
 531                 channel = 1;
 532
 533         if ( channel ) {
 534         tv_channel_current = tv_channel_list;
 535         for (i = 1; i < channel; i++)
 536                 if (tv_channel_current->next)
 537                         tv_channel_current = tv_channel_current->next;
 538         }
 539
 540         mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3, tv_channel_current->number,
 541                         tv_channel_current->name, (float)tv_channel_current->freq/1000);
 542         tv_set_norm_i(tvh, tv_channel_current->norm);
 543         tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 544         tv_channel_last = tv_channel_current;
 545     } else {
 546     /* we need to set frequency */
 547     if (tvh->tv_param->freq)
 548     {
 549         unsigned long freq = atof(tvh->tv_param->freq)*16;
 550
 551         /* set freq in MHz */
 552         funcs->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
 553
 554         funcs->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
 555         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_SelectedFrequency,
 556             freq, (float)freq/16);
 557     }
 558
 559             if (tvh->tv_param->channel) {
 560         struct CHANLIST cl;
 561
 562         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_RequestedChannel, tvh->tv_param->channel);
 563         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 564         {
 565             cl = tvh->chanlist_s[i];
 566                     //  printf("count%d: name: %s, freq: %d\n",
 567                     //  i, cl.name, cl.freq);
 568             if (!strcasecmp(cl.name, tvh->tv_param->channel))
 569             {
 570                         strcpy(tv_channel_last_real, cl.name);
 571                 tvh->channel = i;
 572                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
 573                     cl.name, (float)cl.freq/1000);
 574                 tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 575                 break;
 576             }
 577         }
 578     }
 579     }
 580
 581     /* grep frequency in chanlist */
 582     {
 583         unsigned long i2;
 584         int freq;
 585
 586         tv_get_freq(tvh, &i2);
 587
 588         freq = (int) (((float)(i2/16))*1000)+250;
 589
 590         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 591         {
 592             if (tvh->chanlist_s[i].freq == freq)
 593             {
 594                 tvh->channel = i+1;
 595                 break;
 596             }
 597         }
 598     }
 599
 600 done:
 601     /* also start device! */
 602         return 1;
 603 }
 604
 605 static tvi_handle_t *tv_begin(tv_param_t* tv_param)
 606 {
 607     int i;
 608     tvi_handle_t* h;
 609     if(tv_param->driver && !strcmp(tv_param->driver,"help")){
 610         mp_msg(MSGT_TV,MSGL_INFO,MSGTR_TV_AvailableDrivers);
 611         for(i=0;tvi_driver_list[i];i++){
 612             mp_msg(MSGT_TV,MSGL_INFO," %s\t%s",tvi_driver_list[i]->short_name,tvi_driver_list[i]->name);
 613             if(tvi_driver_list[i]->comment)
 614                 mp_msg(MSGT_TV,MSGL_INFO," (%s)",tvi_driver_list[i]->comment);
 615             mp_msg(MSGT_TV,MSGL_INFO,"\n");
 616         }
 617         return NULL;
 618     }
 619
 620     for(i=0;tvi_driver_list[i];i++){
 621         if (!tv_param->driver || !strcmp(tvi_driver_list[i]->short_name, tv_param->driver)){
 622             h=tvi_driver_list[i]->tvi_init(tv_param);
 623             //Requested driver initialization failed
 624             if (!h && tv_param->driver)
 625                 return NULL;
 626             //Driver initialization failed during autodetection process.
 627             if (!h)
 628                 continue;
 629
 630             h->tv_param=tv_param;
 631             mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_DriverInfo, tvi_driver_list[i]->short_name,
 632             tvi_driver_list[i]->name,
 633             tvi_driver_list[i]->author,
 634             tvi_driver_list[i]->comment?tvi_driver_list[i]->comment:"");
 635             tv_param->driver=strdup(tvi_driver_list[i]->short_name);
 636             return h;
 637         }
 638     }
 639
 640     if(tv_param->driver)
 641         mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_NoSuchDriver, tv_param->driver);
 642     else
 643         mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_DriverAutoDetectionFailed);
 644     return NULL;
 645 }
 646
 647 static int tv_uninit(tvi_handle_t *tvh)
 648 {
 649     int res;
 650     if(!tvh) return 1;
 651     if (!tvh->priv) return 1;
 652     res=tvh->functions->uninit(tvh->priv);
 653     if(res) {
 654         free(tvh->priv);
 655         tvh->priv=NULL;
 656     }
 657     return res;
 658 }
 659
 660 static demuxer_t* demux_open_tv(demuxer_t *demuxer)
 661 {
 662     tvi_handle_t *tvh;
 663     sh_video_t *sh_video;
 664     sh_audio_t *sh_audio = NULL;
 665     const tvi_functions_t *funcs;
 666
 667     demuxer->priv=NULL;
 668     if(!(tvh=tv_begin(demuxer->stream->priv))) return NULL;
 669     if (!tvh->functions->init(tvh->priv)) return NULL;
 670
 671     tvh->functions->control(tvh->priv,TVI_CONTROL_VBI_INIT,&(tvh->tv_param->tdevice));
 672
 673     if (!open_tv(tvh)){
 674         tv_uninit(tvh);
 675         return NULL;
 676     }
 677     funcs = tvh->functions;
 678     demuxer->priv=tvh;
 679
 680     sh_video = new_sh_video(demuxer, 0);
 681
 682     /* get IMAGE FORMAT */
 683     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FORMAT, &sh_video->format);
 684 //    if (IMGFMT_IS_RGB(sh_video->format) || IMGFMT_IS_BGR(sh_video->format))
 685 //      sh_video->format = 0x0;
 686
 687     /* set FPS and FRAMETIME */
 688
 689     if(!sh_video->fps)
 690     {
 691         float tmp;
 692         if (funcs->control(tvh->priv, TVI_CONTROL_VID_GET_FPS, &tmp) != TVI_CONTROL_TRUE)
 693              sh_video->fps = 25.0f; /* on PAL */
 694         else sh_video->fps = tmp;
 695     }
 696
 697     if (tvh->tv_param->fps != -1.0f)
 698         sh_video->fps = tvh->tv_param->fps;
 699
 700     sh_video->frametime = 1.0f/sh_video->fps;
 701
 702     /* If playback only mode, go to immediate mode, fail silently */
 703     if(tvh->tv_param->immediate == 1)
 704         {
 705         funcs->control(tvh->priv, TVI_CONTROL_IMMEDIATE, 0);
 706         tvh->tv_param->noaudio = 1;
 707         }
 708
 709     /* disable TV audio if -nosound is present */
 710     if (!demuxer->audio || demuxer->audio->id == -2) {
 711         tvh->tv_param->noaudio = 1;
 712     }
 713
 714     /* set width */
 715     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_WIDTH, &sh_video->disp_w);
 716
 717     /* set height */
 718     funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HEIGHT, &sh_video->disp_h);
 719
 720     demuxer->video->sh = sh_video;
 721     sh_video->ds = demuxer->video;
 722     demuxer->video->id = 0;
 723     demuxer->seekable = 0;
 724
 725     /* here comes audio init */
 726     if (tvh->tv_param->noaudio == 0 && funcs->control(tvh->priv, TVI_CONTROL_IS_AUDIO, 0) == TVI_CONTROL_TRUE)
 727     {
 728         int audio_format;
 729         int sh_audio_format;
 730         char buf[128];
 731
 732         /* yeah, audio is present */
 733
 734         funcs->control(tvh->priv, TVI_CONTROL_AUD_SET_SAMPLERATE,
 735                                   &tvh->tv_param->audiorate);
 736
 737         if (funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_FORMAT, &audio_format) != TVI_CONTROL_TRUE)
 738             goto no_audio;
 739
 740         switch(audio_format)
 741         {
 742             case AF_FORMAT_U8:
 743             case AF_FORMAT_S8:
 744             case AF_FORMAT_U16_LE:
 745             case AF_FORMAT_U16_BE:
 746             case AF_FORMAT_S16_LE:
 747             case AF_FORMAT_S16_BE:
 748             case AF_FORMAT_S32_LE:
 749             case AF_FORMAT_S32_BE:
 750                 sh_audio_format = 0x1; /* PCM */
 751                 break;
 752             case AF_FORMAT_IMA_ADPCM:
 753             case AF_FORMAT_MU_LAW:
 754             case AF_FORMAT_A_LAW:
 755             case AF_FORMAT_MPEG2:
 756             case AF_FORMAT_AC3:
 757             default:
 758                 mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_UnsupportedAudioType,
 759                     af_fmt2str(audio_format, buf, 128), audio_format);
 760                 goto no_audio;
 761         }
 762
 763         sh_audio = new_sh_audio(demuxer, 0);
 764
 765         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLERATE,
 766                    &sh_audio->samplerate);
 767         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_SAMPLESIZE,
 768                    &sh_audio->samplesize);
 769         funcs->control(tvh->priv, TVI_CONTROL_AUD_GET_CHANNELS,
 770                    &sh_audio->channels);
 771
 772         sh_audio->format = sh_audio_format;
 773         sh_audio->sample_format = audio_format;
 774
 775         sh_audio->i_bps = sh_audio->o_bps =
 776             sh_audio->samplerate * sh_audio->samplesize *
 777             sh_audio->channels;
 778
 779         // emulate WF for win32 codecs:
 780         sh_audio->wf = malloc(sizeof(WAVEFORMATEX));
 781         sh_audio->wf->wFormatTag = sh_audio->format;
 782         sh_audio->wf->nChannels = sh_audio->channels;
 783         sh_audio->wf->wBitsPerSample = sh_audio->samplesize * 8;
 784         sh_audio->wf->nSamplesPerSec = sh_audio->samplerate;
 785         sh_audio->wf->nBlockAlign = sh_audio->samplesize * sh_audio->channels;
 786         sh_audio->wf->nAvgBytesPerSec = sh_audio->i_bps;
 787
 788         mp_msg(MSGT_DECVIDEO, MSGL_V, MSGTR_TV_AudioFormat,
 789           sh_audio->wf->nChannels, sh_audio->wf->wBitsPerSample,
 790           sh_audio->wf->nSamplesPerSec);
 791
 792         demuxer->audio->sh = sh_audio;
 793         sh_audio->ds = demuxer->audio;
 794         demuxer->audio->id = 0;
 795     }
 796 no_audio:
 797
 798     if(!(funcs->start(tvh->priv))){
 799         // start failed :(
 800         tv_uninit(tvh);
 801         return NULL;
 802     }
 803
 804     /* set color eq */
 805     tv_set_color_options(tvh, TV_COLOR_BRIGHTNESS, tvh->tv_param->brightness);
 806     tv_set_color_options(tvh, TV_COLOR_HUE, tvh->tv_param->hue);
 807     tv_set_color_options(tvh, TV_COLOR_SATURATION, tvh->tv_param->saturation);
 808     tv_set_color_options(tvh, TV_COLOR_CONTRAST, tvh->tv_param->contrast);
 809
 810     if(tvh->tv_param->gain!=-1)
 811         if(funcs->control(tvh->priv,TVI_CONTROL_VID_SET_GAIN,&tvh->tv_param->gain)!=TVI_CONTROL_TRUE)
 812             mp_msg(MSGT_TV,MSGL_WARN,"Unable to set gain control!\n");
 813
 814     funcs->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
 815
 816     return demuxer;
 817 }
 818
 819 static void demux_close_tv(demuxer_t *demuxer)
 820 {
 821     tvi_handle_t *tvh=(tvi_handle_t*)(demuxer->priv);
 822     if (!tvh) return;
 823     tv_uninit(tvh);
 824     free(tvh);
 825     demuxer->priv=NULL;
 826 }
 827
 828 /* utilities for mplayer (not mencoder!!) */
 829 int tv_set_color_options(tvi_handle_t *tvh, int opt, int value)
 830 {
 831     const tvi_functions_t *funcs = tvh->functions;
 832
 833     switch(opt)
 834     {
 835         case TV_COLOR_BRIGHTNESS:
 836             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_BRIGHTNESS, &value);
 837         case TV_COLOR_HUE:
 838             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_HUE, &value);
 839         case TV_COLOR_SATURATION:
 840             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_SATURATION, &value);
 841         case TV_COLOR_CONTRAST:
 842             return funcs->control(tvh->priv, TVI_CONTROL_VID_SET_CONTRAST, &value);
 843         default:
 844             mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_UnknownColorOption, opt);
 845     }
 846
 847     return TVI_CONTROL_UNKNOWN;
 848 }
 849
 850 int tv_get_color_options(tvi_handle_t *tvh, int opt, int* value)
 851 {
 852     const tvi_functions_t *funcs = tvh->functions;
 853
 854     switch(opt)
 855     {
 856         case TV_COLOR_BRIGHTNESS:
 857             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_BRIGHTNESS, value);
 858         case TV_COLOR_HUE:
 859             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_HUE, value);
 860         case TV_COLOR_SATURATION:
 861             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_SATURATION, value);
 862         case TV_COLOR_CONTRAST:
 863             return funcs->control(tvh->priv, TVI_CONTROL_VID_GET_CONTRAST, value);
 864         default:
 865             mp_msg(MSGT_TV, MSGL_WARN, MSGTR_TV_UnknownColorOption, opt);
 866     }
 867
 868     return TVI_CONTROL_UNKNOWN;
 869 }
 870
 871 int tv_get_freq(tvi_handle_t *tvh, unsigned long *freq)
 872 {
 873     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) == TVI_CONTROL_TRUE)
 874     {
 875         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, freq);
 876         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_CurrentFrequency,
 877             *freq, (float)*freq/16);
 878     }
 879     return 1;
 880 }
 881
 882 int tv_set_freq(tvi_handle_t *tvh, unsigned long freq)
 883 {
 884     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) == TVI_CONTROL_TRUE)
 885     {
 886 //      unsigned long freq = atof(tvh->tv_param->freq)*16;
 887
 888         /* set freq in MHz */
 889         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_FREQ, &freq);
 890
 891         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_FREQ, &freq);
 892         mp_msg(MSGT_TV, MSGL_V, MSGTR_TV_CurrentFrequency,
 893             freq, (float)freq/16);
 894     }
 895     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
 896     return 1;
 897 }
 898
 899 int tv_get_signal(tvi_handle_t *tvh)
 900 {
 901     int signal=0;
 902     if (tvh->functions->control(tvh->priv, TVI_CONTROL_IS_TUNER, 0) != TVI_CONTROL_TRUE ||
 903         tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_GET_SIGNAL, &signal)!=TVI_CONTROL_TRUE)
 904         return 0;
 905
 906     return signal;
 907 }
 908
 909 /*****************************************************************
 910  * \brief tune current frequency by step_interval value
 911  * \parameter step_interval increment value in 1/16 MHz
 912  * \note frequency is rounded to 1/16 MHz value
 913  * \return 1
 914  *
 915  */
 916 int tv_step_freq(tvi_handle_t* tvh, float step_interval){
 917     unsigned long frequency;
 918
 919     tvh->tv_param->scan=0;
 920     tv_get_freq(tvh,&frequency);
 921     frequency+=step_interval;
 922     return tv_set_freq(tvh,frequency);
 923 }
 924
 925 int tv_step_channel_real(tvi_handle_t *tvh, int direction)
 926 {
 927     struct CHANLIST cl;
 928
 929     tvh->tv_param->scan=0;
 930     if (direction == TV_CHANNEL_LOWER)
 931     {
 932         if (tvh->channel-1 >= 0)
 933         {
 934             strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 935             cl = tvh->chanlist_s[--tvh->channel];
 936             mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
 937                 cl.name, (float)cl.freq/1000);
 938             tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 939         }
 940     }
 941
 942     if (direction == TV_CHANNEL_HIGHER)
 943     {
 944         if (tvh->channel+1 < chanlists[tvh->chanlist].count)
 945         {
 946             strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 947             cl = tvh->chanlist_s[++tvh->channel];
 948             mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
 949                 cl.name, (float)cl.freq/1000);
 950             tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
 951         }
 952     }
 953     return 1;
 954 }
 955
 956 int tv_step_channel(tvi_handle_t *tvh, int direction) {
 957         tvh->tv_param->scan=0;
 958         if (tv_channel_list) {
 959                 if (direction == TV_CHANNEL_HIGHER) {
 960                         tv_channel_last = tv_channel_current;
 961                         if (tv_channel_current->next)
 962                                 tv_channel_current = tv_channel_current->next;
 963                         else
 964                                 tv_channel_current = tv_channel_list;
 965
 966                                 tv_set_norm_i(tvh, tv_channel_current->norm);
 967                                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 968                                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3,
 969                         tv_channel_current->number, tv_channel_current->name, (float)tv_channel_current->freq/1000);
 970                 }
 971                 if (direction == TV_CHANNEL_LOWER) {
 972                         tv_channel_last = tv_channel_current;
 973                         if (tv_channel_current->prev)
 974                                 tv_channel_current = tv_channel_current->prev;
 975                         else
 976                                 while (tv_channel_current->next)
 977                                         tv_channel_current = tv_channel_current->next;
 978                                 tv_set_norm_i(tvh, tv_channel_current->norm);
 979                                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
 980                                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3,
 981                         tv_channel_current->number, tv_channel_current->name, (float)tv_channel_current->freq/1000);
 982                 }
 983         } else tv_step_channel_real(tvh, direction);
 984         return 1;
 985 }
 986
 987 int tv_set_channel_real(tvi_handle_t *tvh, char *channel) {
 988         int i;
 989         struct CHANLIST cl;
 990
 991         tvh->tv_param->scan=0;
 992         strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
 993         for (i = 0; i < chanlists[tvh->chanlist].count; i++)
 994         {
 995             cl = tvh->chanlist_s[i];
 996 //          printf("count%d: name: %s, freq: %d\n",
 997 //              i, cl.name, cl.freq);
 998             if (!strcasecmp(cl.name, channel))
 999             {
1000                 tvh->channel = i;
1001                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
1002                     cl.name, (float)cl.freq/1000);
1003                 tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
1004                 break;
1005             }
1006         }
1007         return 1;
1008 }
1009
1010 int tv_set_channel(tvi_handle_t *tvh, char *channel) {
1011         int i, channel_int;
1012
1013         tvh->tv_param->scan=0;
1014         if (tv_channel_list) {
1015                 tv_channel_last = tv_channel_current;
1016                 channel_int = atoi(channel);
1017                 tv_channel_current = tv_channel_list;
1018                 for (i = 1; i < channel_int; i++)
1019                         if (tv_channel_current->next)
1020                                 tv_channel_current = tv_channel_current->next;
1021                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3, tv_channel_current->number,
1022                                 tv_channel_current->name, (float)tv_channel_current->freq/1000);
1023                 tv_set_norm_i(tvh, tv_channel_current->norm);
1024                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
1025         } else tv_set_channel_real(tvh, channel);
1026         return 1;
1027 }
1028
1029 int tv_last_channel(tvi_handle_t *tvh) {
1030
1031         tvh->tv_param->scan=0;
1032         if (tv_channel_list) {
1033                 tv_channels_t *tmp;
1034
1035                 tmp = tv_channel_last;
1036                 tv_channel_last = tv_channel_current;
1037                 tv_channel_current = tmp;
1038
1039                 mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel3, tv_channel_current->number,
1040                                 tv_channel_current->name, (float)tv_channel_current->freq/1000);
1041                 tv_set_norm_i(tvh, tv_channel_current->norm);
1042                 tv_set_freq(tvh, (unsigned long)(((float)tv_channel_current->freq/1000)*16));
1043         } else {
1044                 int i;
1045                 struct CHANLIST cl;
1046
1047                 for (i = 0; i < chanlists[tvh->chanlist].count; i++)
1048                 {
1049                     cl = tvh->chanlist_s[i];
1050                     if (!strcasecmp(cl.name, tv_channel_last_real))
1051                     {
1052                         strcpy(tv_channel_last_real, tvh->chanlist_s[tvh->channel].name);
1053                         tvh->channel = i;
1054                         mp_msg(MSGT_TV, MSGL_INFO, MSGTR_TV_SelectedChannel2,
1055                             cl.name, (float)cl.freq/1000);
1056                         tv_set_freq(tvh, (unsigned long)(((float)cl.freq/1000)*16));
1057                         break;
1058                     }
1059                 }
1060         }
1061         return 1;
1062 }
1063
1064 int tv_step_norm(tvi_handle_t *tvh)
1065 {
1066   tvh->norm++;
1067   if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM,
1068                               &tvh->norm) != TVI_CONTROL_TRUE) {
1069     tvh->norm = 0;
1070     if (tvh->functions->control(tvh->priv, TVI_CONTROL_TUN_SET_NORM,
1071                                 &tvh->norm) != TVI_CONTROL_TRUE) {
1072       mp_msg(MSGT_TV, MSGL_ERR, MSGTR_TV_CannotSetNorm);
1073       return 0;
1074     }
1075   }
1076     tvh->functions->control(tvh->priv,TV_VBI_CONTROL_RESET,tvh->tv_param);
1077     return 1;
1078 }
1079
1080 int tv_step_chanlist(tvi_handle_t *tvh)
1081 {
1082     return 1;
1083 }
1084
1085 demuxer_desc_t demuxer_desc_tv = {
1086   "Tv card demuxer",
1087   "tv",
1088   "TV",
1089   "Alex Beregszaszi, Charles R. Henrich",
1090   "?",
1091   DEMUXER_TYPE_TV,
1092   0, // no autodetect
1093   NULL,
1094   demux_tv_fill_buffer,
1095   demux_open_tv,
1096   demux_close_tv,
1097   NULL,
1098   NULL
1099 };