cl_video.c

   1
   2 #include "quakedef.h"
   3 #include "cl_video.h"
   4
   5 // cvars
   6 cvar_t cl_video_subtitles = {CVAR_SAVE, "cl_video_subtitles", "0", "show subtitles for videos (if they are present)"};
   7 cvar_t cl_video_subtitles_lines = {CVAR_SAVE, "cl_video_subtitles_lines", "4", "how many lines to occupy for subtitles"};
   8 cvar_t cl_video_subtitles_textsize = {CVAR_SAVE, "cl_video_subtitles_textsize", "16", "textsize for subtitles"};
   9 cvar_t cl_video_scale = {CVAR_SAVE, "cl_video_scale", "1", "scale of video, 1 = fullscreen, 0.75 - 3/4 of screen etc."};
  10 cvar_t cl_video_scale_vpos = {CVAR_SAVE, "cl_video_scale_vpos", "0", "vertical align of scaled video, -1 is top, 1 is bottom"};
  11 cvar_t cl_video_stipple = {CVAR_SAVE, "cl_video_stipple", "0", "draw interlacing-like effect on videos, similar to scr_stipple but static and used only with video playing."};
  12 cvar_t cl_video_brightness = {CVAR_SAVE, "cl_video_brightness", "1", "brightness of video, 1 = fullbright, 0.75 - 3/4 etc."};
  13 cvar_t cl_video_keepaspectratio = {CVAR_SAVE, "cl_video_keepaspectratio", "0", "keeps aspect ratio of fullscreen videos, leaving black color on unfilled areas, a value of 2 let video to be stretched horizontally with top & bottom being sliced out"};
  14 cvar_t cl_video_fadein = {CVAR_SAVE, "cl_video_fadein", "0", "fading-from-black effect once video is started, in seconds"};
  15 cvar_t cl_video_fadeout = {CVAR_SAVE, "cl_video_fadeout", "0", "fading-to-black effect once video is ended, in seconds"};
  16
  17 cvar_t v_glslgamma_video = {CVAR_SAVE, "v_glslgamma_video", "1", "applies GLSL gamma to played video, could be a fraction, requires r_glslgamma_2d 1."};
  18
  19 // DPV stream decoder
  20 #include "dpvsimpledecode.h"
  21
  22 // VorteX: libavcodec implementation
  23 #include "cl_video_libavw.c"
  24
  25 // JAM video decoder used by Blood Omnicide
  26 #ifdef JAMVIDEO
  27 #include "cl_video_jamdecode.c"
  28 #endif
  29
  30 // constants (and semi-constants)
  31 static int  cl_videormask;
  32 static int  cl_videobmask;
  33 static int  cl_videogmask;
  34 static int      cl_videobytesperpixel;
  35
  36 static int cl_num_videos;
  37 static clvideo_t cl_videos[ MAXCLVIDEOS ];
  38 static rtexturepool_t *cl_videotexturepool;
  39
  40 static clvideo_t *FindUnusedVid( void )
  41 {
  42         int i;
  43         for( i = 1 ; i < MAXCLVIDEOS ; i++ )
  44                 if( cl_videos[ i ].state == CLVIDEO_UNUSED )
  45                         return &cl_videos[ i ];
  46         return NULL;
  47 }
  48
  49 static qboolean OpenStream( clvideo_t * video )
  50 {
  51         const char *errorstring;
  52
  53         video->stream = dpvsimpledecode_open( video, video->filename, &errorstring);
  54         if (video->stream)
  55                 return true;
  56
  57 #ifdef JAMVIDEO
  58         video->stream = jam_open( video, video->filename, &errorstring);
  59         if (video->stream)
  60                 return true;
  61 #endif
  62
  63         video->stream = LibAvW_OpenVideo( video, video->filename, &errorstring);
  64         if (video->stream)
  65                 return true;
  66
  67         Con_Printf("unable to open \"%s\", error: %s\n", video->filename, errorstring);
  68         return false;
  69 }
  70
  71 static void VideoUpdateCallback(rtexture_t *rt, void *data)
  72 {
  73         clvideo_t *video = (clvideo_t *) data;
  74         Draw_NewPic(video->name, video->width, video->height, (unsigned char *)video->imagedata, TEXTYPE_BGRA, TEXF_CLAMP);
  75 }
  76
  77 static void LinkVideoTexture( clvideo_t *video )
  78 {
  79         video->cachepic = Draw_NewPic(video->name, video->width, video->height, NULL, TEXTYPE_BGRA, TEXF_CLAMP);
  80         // make R_GetTexture() call our VideoUpdateCallback
  81         R_MakeTextureDynamic(Draw_GetPicTexture(video->cachepic), VideoUpdateCallback, video);
  82 }
  83
  84 static void UnlinkVideoTexture( clvideo_t *video )
  85 {
  86         // free the texture (this does not destroy the cachepic_t, which is eternal)
  87         Draw_FreePic(video->name);
  88         // free the image data
  89         Mem_Free( video->imagedata );
  90 }
  91
  92 static void SuspendVideo( clvideo_t * video )
  93 {
  94         if (video->suspended)
  95                 return;
  96         video->suspended = true;
  97         UnlinkVideoTexture(video);
  98         // if we are in firstframe mode, also close the stream
  99         if (video->state == CLVIDEO_FIRSTFRAME)
 100         {
 101                 if (video->stream)
 102                         video->close(video->stream);
 103                 video->stream = NULL;
 104         }
 105 }
 106
 107 static qboolean WakeVideo( clvideo_t * video )
 108 {
 109         if( !video->suspended )
 110                 return true;
 111         video->suspended = false;
 112
 113         if( video->state == CLVIDEO_FIRSTFRAME )
 114                 if( !OpenStream( video ) ) {
 115                         video->state = CLVIDEO_UNUSED;
 116                         return false;
 117                 }
 118
 119         video->imagedata = Mem_Alloc( cls.permanentmempool, video->width * video->height * cl_videobytesperpixel );
 120         LinkVideoTexture( video );
 121
 122         // update starttime
 123         video->starttime += realtime - video->lasttime;
 124
 125         return true;
 126 }
 127
 128 static void LoadSubtitles( clvideo_t *video, const char *subtitlesfile )
 129 {
 130         char *subtitle_text;
 131         const char *data;
 132         float subtime, sublen;
 133         int numsubs = 0;
 134
 135         if (gamemode == GAME_BLOODOMNICIDE)
 136         {
 137                 char overridename[MAX_QPATH];
 138                 cvar_t *langcvar;
 139
 140                 langcvar = Cvar_FindVar("language");
 141                 subtitle_text = NULL;
 142                 if (langcvar)
 143                 {
 144                         dpsnprintf(overridename, sizeof(overridename), "locale/%s/%s", langcvar->string, subtitlesfile);
 145                         subtitle_text = (char *)FS_LoadFile(overridename, cls.permanentmempool, false, NULL);
 146                 }
 147                 if (!subtitle_text)
 148                         subtitle_text = (char *)FS_LoadFile(subtitlesfile, cls.permanentmempool, false, NULL);
 149         }
 150         else
 151         {
 152                 subtitle_text = (char *)FS_LoadFile(subtitlesfile, cls.permanentmempool, false, NULL);
 153         }
 154         if (!subtitle_text)
 155         {
 156                 Con_DPrintf( "LoadSubtitles: can't open subtitle file '%s'!\n", subtitlesfile );
 157                 return;
 158         }
 159
 160         // parse subtitle_text
 161         // line is: x y "text" where
 162         //    x - start time
 163         //    y - seconds last (if 0 - last thru next sub, if negative - last to next sub - this amount of seconds)
 164
 165         data = subtitle_text;
 166         for (;;)
 167         {
 168                 if (!COM_ParseToken_QuakeC(&data, false))
 169                         break;
 170                 subtime = atof( com_token );
 171                 if (!COM_ParseToken_QuakeC(&data, false))
 172                         break;
 173                 sublen = atof( com_token );
 174                 if (!COM_ParseToken_QuakeC(&data, false))
 175                         break;
 176                 if (!com_token[0])
 177                         continue;
 178                 // check limits
 179                 if (video->subtitles == CLVIDEO_MAX_SUBTITLES)
 180                 {
 181                         Con_Printf("WARNING: CLVIDEO_MAX_SUBTITLES = %i reached when reading subtitles from '%s'\n", CLVIDEO_MAX_SUBTITLES, subtitlesfile);
 182                         break;
 183                 }
 184                 // add a sub
 185                 video->subtitle_text[numsubs] = (char *) Mem_Alloc(cls.permanentmempool, strlen(com_token) + 1);
 186                 memcpy(video->subtitle_text[numsubs], com_token, strlen(com_token) + 1);
 187                 video->subtitle_start[numsubs] = subtime;
 188                 video->subtitle_end[numsubs] = sublen;
 189                 if (numsubs > 0) // make true len for prev sub, autofix overlapping subtitles
 190                 {
 191                         if (video->subtitle_end[numsubs-1] <= 0)
 192                                 video->subtitle_end[numsubs-1] = max(video->subtitle_start[numsubs-1], video->subtitle_start[numsubs] + video->subtitle_end[numsubs-1]);
 193                         else
 194                                 video->subtitle_end[numsubs-1] = min(video->subtitle_start[numsubs-1] + video->subtitle_end[numsubs-1], video->subtitle_start[numsubs]);
 195                 }
 196                 numsubs++;
 197                 // todo: check timing for consistency?
 198         }
 199         if (numsubs > 0) // make true len for prev sub, autofix overlapping subtitles
 200         {
 201                 if (video->subtitle_end[numsubs-1] <= 0)
 202                         video->subtitle_end[numsubs-1] = 99999999; // fixme: make it end when video ends?
 203                 else
 204                         video->subtitle_end[numsubs-1] = video->subtitle_start[numsubs-1] + video->subtitle_end[numsubs-1];
 205         }
 206         Z_Free( subtitle_text );
 207         video->subtitles = numsubs;
 208 /*
 209         Con_Printf( "video->subtitles: %i\n", video->subtitles );
 210         for (numsubs = 0; numsubs < video->subtitles; numsubs++)
 211                 Con_Printf( "  %03.2f %03.2f : %s\n", video->subtitle_start[numsubs], video->subtitle_end[numsubs], video->subtitle_text[numsubs] );
 212 */
 213 }
 214
 215 static clvideo_t* OpenVideo( clvideo_t *video, const char *filename, const char *name, int owner, const char *subtitlesfile )
 216 {
 217         strlcpy(video->filename, filename, sizeof(video->filename));
 218         dpsnprintf(video->name, sizeof(video->name), CLVIDEOPREFIX "%s", name);
 219         video->ownertag = owner;
 220         if( strncmp( name, CLVIDEOPREFIX, sizeof( CLVIDEOPREFIX ) - 1 ) )
 221                 return NULL;
 222         video->cachepic = Draw_CachePic_Flags(name, CACHEPICFLAG_NOTPERSISTENT | CACHEPICFLAG_QUIET);
 223
 224         if( !OpenStream( video ) )
 225                 return NULL;
 226
 227         video->state = CLVIDEO_FIRSTFRAME;
 228         video->framenum = -1;
 229         video->framerate = video->getframerate( video->stream );
 230         video->lasttime = realtime;
 231         video->subtitles = 0;
 232
 233         video->width = video->getwidth( video->stream );
 234         video->height = video->getheight( video->stream );
 235         video->imagedata = Mem_Alloc( cls.permanentmempool, video->width * video->height * cl_videobytesperpixel );
 236         LinkVideoTexture( video );
 237
 238         // VorteX: load simple subtitle_text file
 239         if (subtitlesfile[0])
 240                 LoadSubtitles( video, subtitlesfile );
 241
 242         return video;
 243 }
 244
 245 clvideo_t* CL_OpenVideo( const char *filename, const char *name, int owner, const char *subtitlesfile )
 246 {
 247         clvideo_t *video;
 248         // sanity check
 249         if( !name || !*name || strncmp( name, CLVIDEOPREFIX, sizeof( CLVIDEOPREFIX ) - 1 ) != 0 ) {
 250                 Con_DPrintf( "CL_OpenVideo: Bad video texture name '%s'!\n", name );
 251                 return NULL;
 252         }
 253
 254         video = FindUnusedVid();
 255         if( !video ) {
 256                 Con_Printf( "CL_OpenVideo: unable to open video \"%s\" - video limit reached\n", filename );
 257                 return NULL;
 258         }
 259         video = OpenVideo( video, filename, name, owner, subtitlesfile );
 260         // expand the active range to include the new entry
 261         if (video) {
 262                 cl_num_videos = max(cl_num_videos, (int)(video - cl_videos) + 1);
 263         }
 264         return video;
 265 }
 266
 267 static clvideo_t* CL_GetVideoBySlot( int slot )
 268 {
 269         clvideo_t *video = &cl_videos[ slot ];
 270
 271         if( video->suspended )
 272         {
 273                 if( !WakeVideo( video ) )
 274                         return NULL;
 275                 else if( video->state == CLVIDEO_RESETONWAKEUP )
 276                         video->framenum = -1;
 277         }
 278
 279         video->lasttime = realtime;
 280
 281         return video;
 282 }
 283
 284 clvideo_t *CL_GetVideoByName( const char *name )
 285 {
 286         int i;
 287
 288         for( i = 0 ; i < cl_num_videos ; i++ )
 289                 if( cl_videos[ i ].state != CLVIDEO_UNUSED
 290                         &&      !strcmp( cl_videos[ i ].name , name ) )
 291                         break;
 292         if( i != cl_num_videos )
 293                 return CL_GetVideoBySlot( i );
 294         else
 295                 return NULL;
 296 }
 297
 298 void CL_SetVideoState(clvideo_t *video, clvideostate_t state)
 299 {
 300         if (!video)
 301                 return;
 302
 303         video->lasttime = realtime;
 304         video->state = state;
 305         if (state == CLVIDEO_FIRSTFRAME)
 306                 CL_RestartVideo(video);
 307 }
 308
 309 void CL_RestartVideo(clvideo_t *video)
 310 {
 311         if (!video)
 312                 return;
 313
 314         // reset time
 315         video->starttime = video->lasttime = realtime;
 316         video->framenum = -1;
 317
 318         // reopen stream
 319         if (video->stream)
 320                 video->close(video->stream);
 321         video->stream = NULL;
 322         if (!OpenStream(video))
 323                 video->state = CLVIDEO_UNUSED;
 324 }
 325
 326 // close video
 327 void CL_CloseVideo(clvideo_t * video)
 328 {
 329         int i;
 330
 331         if (!video || video->state == CLVIDEO_UNUSED)
 332                 return;
 333
 334         // close stream
 335         if (!video->suspended || video->state != CLVIDEO_FIRSTFRAME)
 336         {
 337                 if (video->stream)
 338                         video->close(video->stream);
 339                 video->stream = NULL;
 340         }
 341         // unlink texture
 342         if (!video->suspended)
 343                 UnlinkVideoTexture(video);
 344         // purge subtitles
 345         if (video->subtitles)
 346         {
 347                 for (i = 0; i < video->subtitles; i++)
 348                         Z_Free( video->subtitle_text[i] );
 349                 video->subtitles = 0;
 350         }
 351         video->state = CLVIDEO_UNUSED;
 352 }
 353
 354 // update all videos
 355 void CL_Video_Frame(void)
 356 {
 357         clvideo_t *video;
 358         int destframe;
 359         int i;
 360
 361         if (!cl_num_videos)
 362                 return;
 363         for (video = cl_videos, i = 0 ; i < cl_num_videos ; video++, i++)
 364         {
 365                 if (video->state != CLVIDEO_UNUSED && !video->suspended)
 366                 {
 367                         if (realtime - video->lasttime > CLTHRESHOLD)
 368                         {
 369                                 SuspendVideo(video);
 370                                 continue;
 371                         }
 372                         if (video->state == CLVIDEO_PAUSE)
 373                         {
 374                                 video->starttime = realtime - video->framenum * video->framerate;
 375                                 continue;
 376                         }
 377                         // read video frame from stream if time has come
 378                         if (video->state == CLVIDEO_FIRSTFRAME )
 379                                 destframe = 0;
 380                         else
 381                                 destframe = (int)((realtime - video->starttime) * video->framerate);
 382                         if (destframe < 0)
 383                                 destframe = 0;
 384                         if (video->framenum < destframe)
 385                         {
 386                                 do {
 387                                         video->framenum++;
 388                                         if (video->decodeframe(video->stream, video->imagedata, cl_videormask, cl_videogmask, cl_videobmask, cl_videobytesperpixel, cl_videobytesperpixel * video->width))
 389                                         {
 390                                                 // finished?
 391                                                 CL_RestartVideo(video);
 392                                                 if (video->state == CLVIDEO_PLAY)
 393                                                         video->state = CLVIDEO_FIRSTFRAME;
 394                                                 return;
 395                                         }
 396                                 } while(video->framenum < destframe);
 397                                 R_MarkDirtyTexture(Draw_GetPicTexture(video->cachepic));
 398                         }
 399                 }
 400         }
 401
 402         // stop main video
 403         if (cl_videos->state == CLVIDEO_FIRSTFRAME)
 404                 CL_VideoStop();
 405
 406         // reduce range to exclude unnecessary entries
 407         while(cl_num_videos > 0 && cl_videos[cl_num_videos-1].state == CLVIDEO_UNUSED)
 408                 cl_num_videos--;
 409 }
 410
 411 void CL_PurgeOwner( int owner )
 412 {
 413         int i;
 414
 415         for (i = 0 ; i < cl_num_videos ; i++)
 416                 if (cl_videos[i].ownertag == owner)
 417                         CL_CloseVideo(&cl_videos[i]);
 418 }
 419
 420 typedef struct
 421 {
 422         dp_font_t *font;
 423         float x;
 424         float y;
 425         float width;
 426         float height;
 427         float alignment; // 0 = left, 0.5 = center, 1 = right
 428         float fontsize;
 429         float textalpha;
 430 }
 431 cl_video_subtitle_info_t;
 432
 433 static float CL_DrawVideo_WordWidthFunc(void *passthrough, const char *w, size_t *length, float maxWidth)
 434 {
 435         cl_video_subtitle_info_t *si = (cl_video_subtitle_info_t *) passthrough;
 436
 437         if(w == NULL)
 438                 return si->fontsize * si->font->maxwidth;
 439         if(maxWidth >= 0)
 440                 return DrawQ_TextWidth_UntilWidth(w, length, si->fontsize, si->fontsize, false, si->font, -maxWidth); // -maxWidth: we want at least one char
 441         else if(maxWidth == -1)
 442                 return DrawQ_TextWidth(w, *length, si->fontsize, si->fontsize, false, si->font);
 443         else
 444                 return 0;
 445 }
 446
 447 static int CL_DrawVideo_DisplaySubtitleLine(void *passthrough, const char *line, size_t length, float width, qboolean isContinuation)
 448 {
 449         cl_video_subtitle_info_t *si = (cl_video_subtitle_info_t *) passthrough;
 450
 451         int x = (int) (si->x + (si->width - width) * si->alignment);
 452         if (length > 0)
 453                 DrawQ_String(x, si->y, line, length, si->fontsize, si->fontsize, 1.0, 1.0, 1.0, si->textalpha, 0, NULL, false, si->font);
 454         si->y += si->fontsize;
 455         return 1;
 456 }
 457
 458 int cl_videoplaying = false; // old, but still supported
 459
 460 void CL_DrawVideo(void)
 461 {
 462         clvideo_t *video;
 463         float videotime, px, py, sx, sy, st[8], b;
 464         cl_video_subtitle_info_t si;
 465         int i;
 466
 467         if (!cl_videoplaying)
 468                 return;
 469
 470         video = CL_GetVideoBySlot( 0 );
 471
 472         // fix cvars
 473         if (cl_video_scale.value <= 0 || cl_video_scale.value > 1)
 474                 Cvar_SetValueQuick( &cl_video_scale, 1);
 475         if (cl_video_brightness.value <= 0 || cl_video_brightness.value > 10)
 476                 Cvar_SetValueQuick( &cl_video_brightness, 1);
 477
 478         // calc video proportions
 479         px = 0;
 480         py = 0;
 481         sx = vid_conwidth.integer;
 482         sy = vid_conheight.integer;
 483         st[0] = 0.0; st[1] = 0.0;
 484         st[2] = 1.0; st[3] = 0.0;
 485         st[4] = 0.0; st[5] = 1.0;
 486         st[6] = 1.0; st[7] = 1.0;
 487         if (cl_video_keepaspectratio.integer)
 488         {
 489                 float a = video->getaspectratio(video->stream) / ((float)vid.width / (float)vid.height);
 490                 if (cl_video_keepaspectratio.integer >= 2)
 491                 {
 492                         // clip instead of scale
 493                         if (a < 1.0) // clip horizontally
 494                         {
 495                                 st[1] = st[3] = (1 - a)*0.5;
 496                                 st[5] = st[7] = 1 - (1 - a)*0.5;
 497                         }
 498                         else if (a > 1.0) // clip vertically
 499                         {
 500                                 st[0] = st[4] = (1 - 1/a)*0.5;
 501                                 st[2] = st[6] = (1/a)*0.5;
 502                         }
 503                 }
 504                 else if (a < 1.0) // scale horizontally
 505                 {
 506                         px += sx * (1 - a) * 0.5;
 507                         sx *= a;
 508                 }
 509                 else if (a > 1.0) // scale vertically
 510                 {
 511                         a = 1 / a;
 512                         py += sy * (1 - a);
 513                         sy *= a;
 514                 }
 515         }
 516
 517         if (cl_video_scale.value != 1)
 518         {
 519                 px += sx * (1 - cl_video_scale.value) * 0.5;
 520                 py += sy * (1 - cl_video_scale.value) * ((bound(-1, cl_video_scale_vpos.value, 1) + 1) / 2);
 521                 sx *= cl_video_scale.value;
 522                 sy *= cl_video_scale.value;
 523         }
 524
 525         // calc brightness for fadein and fadeout effects
 526         b = cl_video_brightness.value;
 527         if (cl_video_fadein.value && (realtime - video->starttime) < cl_video_fadein.value)
 528                 b = pow((realtime - video->starttime)/cl_video_fadein.value, 2);
 529         else if (cl_video_fadeout.value && ((video->starttime + video->framenum * video->framerate) - realtime) < cl_video_fadeout.value)
 530                 b = pow(((video->starttime + video->framenum * video->framerate) - realtime)/cl_video_fadeout.value, 2);
 531
 532         // draw black bg in case stipple is active or video is scaled
 533         if (cl_video_stipple.integer || px != 0 || py != 0 || sx != vid_conwidth.integer || sy != vid_conheight.integer)
 534                 DrawQ_Fill(0, 0, vid_conwidth.integer, vid_conheight.integer, 0, 0, 0, 1, 0);
 535
 536 #ifndef USE_GLES2
 537         // enable video-only polygon stipple (of global stipple is not active)
 538         if (qglPolygonStipple && !scr_stipple.integer && cl_video_stipple.integer)
 539         {
 540                 GLubyte stipple[128];
 541                 int s, width, parts;
 542
 543                 s = cl_video_stipple.integer;
 544                 parts = (s & 007);
 545                 width = (s & 070) >> 3;
 546                 qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
 547                 for(i = 0; i < 128; ++i)
 548                 {
 549                         int line = i/4;
 550                         stipple[i] = ((line >> width) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
 551                 }
 552                 qglPolygonStipple(stipple);CHECKGLERROR
 553         }
 554 #endif
 555
 556         // draw video
 557         if (v_glslgamma_video.value >= 1)
 558                 DrawQ_SuperPic(px, py, video->cachepic, sx, sy, st[0], st[1], b, b, b, 1, st[2], st[3], b, b, b, 1, st[4], st[5], b, b, b, 1, st[6], st[7], b, b, b, 1, 0);
 559         else
 560         {
 561                 DrawQ_SuperPic(px, py, video->cachepic, sx, sy, st[0], st[1], b, b, b, 1, st[2], st[3], b, b, b, 1, st[4], st[5], b, b, b, 1, st[6], st[7], b, b, b, 1, DRAWFLAG_NOGAMMA);
 562                 if (v_glslgamma_video.value > 0.0)
 563                         DrawQ_SuperPic(px, py, video->cachepic, sx, sy, st[0], st[1], b, b, b, v_glslgamma_video.value, st[2], st[3], b, b, b, v_glslgamma_video.value, st[4], st[5], b, b, b, v_glslgamma_video.value, st[6], st[7], b, b, b, v_glslgamma_video.value, 0);
 564         }
 565
 566 #ifndef USE_GLES2
 567         // disable video-only stipple
 568         if (qglPolygonStipple && !scr_stipple.integer && cl_video_stipple.integer)
 569         {
 570                 qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
 571         }
 572 #endif
 573
 574         // VorteX: draw subtitle_text
 575         if (!video->subtitles || !cl_video_subtitles.integer)
 576                 return;
 577
 578         // find current subtitle
 579         videotime = realtime - video->starttime;
 580         for (i = 0; i < video->subtitles; i++)
 581         {
 582                 if (videotime >= video->subtitle_start[i] && videotime <= video->subtitle_end[i])
 583                 {
 584                         // found, draw it
 585                         si.font = FONT_NOTIFY;
 586                         si.x = vid_conwidth.integer * 0.1;
 587                         si.y = vid_conheight.integer - (max(1, cl_video_subtitles_lines.value) * cl_video_subtitles_textsize.value);
 588                         si.width = vid_conwidth.integer * 0.8;
 589                         si.height = max(1, cl_video_subtitles_lines.integer) * cl_video_subtitles_textsize.value;
 590                         si.alignment = 0.5;
 591                         si.fontsize = cl_video_subtitles_textsize.value;
 592                         si.textalpha = min(1, (videotime - video->subtitle_start[i])/0.5) * min(1, ((video->subtitle_end[i] - videotime)/0.3)); // fade in and fade out
 593                         COM_Wordwrap(video->subtitle_text[i], strlen(video->subtitle_text[i]), 0, si.width, CL_DrawVideo_WordWidthFunc, &si, CL_DrawVideo_DisplaySubtitleLine, &si);
 594                         break;
 595                 }
 596         }
 597 }
 598
 599 void CL_VideoStart(char *filename, const char *subtitlesfile)
 600 {
 601         Host_StartVideo();
 602
 603         if( cl_videos->state != CLVIDEO_UNUSED )
 604                 CL_CloseVideo( cl_videos );
 605         // already contains video/
 606         if( !OpenVideo( cl_videos, filename, filename, 0, subtitlesfile ) )
 607                 return;
 608         // expand the active range to include the new entry
 609         cl_num_videos = max(cl_num_videos, 1);
 610
 611         cl_videoplaying = true;
 612
 613         CL_SetVideoState( cl_videos, CLVIDEO_PLAY );
 614         CL_RestartVideo( cl_videos );
 615 }
 616
 617 void CL_Video_KeyEvent( int key, int ascii, qboolean down )
 618 {
 619         // only react to up events, to allow the user to delay the abortion point if it suddenly becomes interesting..
 620         if( !down ) {
 621                 if( key == K_ESCAPE || key == K_ENTER || key == K_SPACE ) {
 622                         CL_VideoStop();
 623                 }
 624         }
 625 }
 626
 627 void CL_VideoStop(void)
 628 {
 629         cl_videoplaying = false;
 630
 631         CL_CloseVideo( cl_videos );
 632 }
 633
 634 static void CL_PlayVideo_f(void)
 635 {
 636         char name[MAX_QPATH], subtitlesfile[MAX_QPATH];
 637         const char *extension;
 638
 639         Host_StartVideo();
 640
 641         if (COM_CheckParm("-benchmark"))
 642                 return;
 643
 644         if (Cmd_Argc() < 2)
 645         {
 646                 Con_Print("usage: playvideo <videoname> [custom_subtitles_file]\nplays video named video/<videoname>.dpv\nif custom subtitles file is not presented\nit tries video/<videoname>.sub");
 647                 return;
 648         }
 649
 650         extension = FS_FileExtension(Cmd_Argv(1));
 651         if (extension[0])
 652                 dpsnprintf(name, sizeof(name), "video/%s", Cmd_Argv(1));
 653         else
 654                 dpsnprintf(name, sizeof(name), "video/%s.dpv", Cmd_Argv(1));
 655         if ( Cmd_Argc() > 2)
 656                 CL_VideoStart(name, Cmd_Argv(2));
 657         else
 658         {
 659                 dpsnprintf(subtitlesfile, sizeof(subtitlesfile), "video/%s.dpsubs", Cmd_Argv(1));
 660                 CL_VideoStart(name, subtitlesfile);
 661         }
 662 }
 663
 664 static void CL_StopVideo_f(void)
 665 {
 666         CL_VideoStop();
 667 }
 668
 669 static void cl_video_start( void )
 670 {
 671         int i;
 672         clvideo_t *video;
 673
 674         cl_videotexturepool = R_AllocTexturePool();
 675
 676         for( video = cl_videos, i = 0 ; i < cl_num_videos ; i++, video++ )
 677                 if( video->state != CLVIDEO_UNUSED && !video->suspended )
 678                         LinkVideoTexture( video );
 679 }
 680
 681 static void cl_video_shutdown( void )
 682 {
 683         int i;
 684         clvideo_t *video;
 685
 686         for( video = cl_videos, i = 0 ; i < cl_num_videos ; i++, video++ )
 687                 if( video->state != CLVIDEO_UNUSED && !video->suspended )
 688                         SuspendVideo( video );
 689         R_FreeTexturePool( &cl_videotexturepool );
 690 }
 691
 692 static void cl_video_newmap( void )
 693 {
 694 }
 695
 696 void CL_Video_Init( void )
 697 {
 698         union
 699         {
 700                 unsigned char b[4];
 701                 unsigned int i;
 702         }
 703         bgra;
 704
 705         cl_num_videos = 0;
 706         cl_videobytesperpixel = 4;
 707
 708         // set masks in an endian-independent way (as they really represent bytes)
 709         bgra.i = 0;bgra.b[0] = 0xFF;cl_videobmask = bgra.i;
 710         bgra.i = 0;bgra.b[1] = 0xFF;cl_videogmask = bgra.i;
 711         bgra.i = 0;bgra.b[2] = 0xFF;cl_videormask = bgra.i;
 712
 713         Cmd_AddCommand( "playvideo", CL_PlayVideo_f, "play a .dpv video file" );
 714         Cmd_AddCommand( "stopvideo", CL_StopVideo_f, "stop playing a .dpv video file" );
 715
 716         Cvar_RegisterVariable(&cl_video_subtitles);
 717         Cvar_RegisterVariable(&cl_video_subtitles_lines);
 718         Cvar_RegisterVariable(&cl_video_subtitles_textsize);
 719         Cvar_RegisterVariable(&cl_video_scale);
 720         Cvar_RegisterVariable(&cl_video_scale_vpos);
 721         Cvar_RegisterVariable(&cl_video_brightness);
 722         Cvar_RegisterVariable(&cl_video_stipple);
 723         Cvar_RegisterVariable(&cl_video_keepaspectratio);
 724         Cvar_RegisterVariable(&cl_video_fadein);
 725         Cvar_RegisterVariable(&cl_video_fadeout);
 726
 727         Cvar_RegisterVariable(&v_glslgamma_video);
 728
 729         R_RegisterModule( "CL_Video", cl_video_start, cl_video_shutdown, cl_video_newmap, NULL, NULL );
 730
 731         LibAvW_OpenLibrary();
 732 }
 733
 734 void CL_Video_Shutdown( void )
 735 {
 736         int i;
 737
 738         for (i = 0 ; i < cl_num_videos ; i++)
 739                 CL_CloseVideo(&cl_videos[ i ]);
 740
 741         LibAvW_CloseLibrary();
 742 }