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