cl_video.c

   1
   2 #include "quakedef.h"
   3 #include "cl_dyntexture.h"
   4 #include "cl_video.h"
   5 #include "dpvsimpledecode.h"
   6
   7 // VorteX: JAM video module used by Blood Omnicide
   8 //#define USEJAM
   9 #ifdef USEJAM
  10   #include "jamdecode.c"
  11 #endif
  12
  13 // cvars
  14 cvar_t cl_video_subtitles = {CVAR_SAVE, "cl_video_subtitles", "0", "show subtitles for videos (if they are presented)"};
  15 cvar_t cl_video_subtitles_lines = {CVAR_SAVE, "cl_video_subtitles_lines", "4", "how many lines to occupy for subtitles"};
  16 cvar_t cl_video_subtitles_textsize = {CVAR_SAVE, "cl_video_subtitles_textsize", "16", "textsize for subtitles"};
  17 cvar_t cl_video_scale = {CVAR_SAVE, "cl_video_scale", "1", "scale of video, 1 = fullscreen, 0.75 - 3/4 of screen etc."};
  18 cvar_t cl_video_scale_vpos = {CVAR_SAVE, "cl_video_scale_vpos", "0", "vertial align of scaled video, -1 is top, 1 is bottom"};
  19 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."};
  20 cvar_t cl_video_brightness = {CVAR_SAVE, "cl_video_brightness", "1", "brightness of video, 1 = fullbright, 0.75 - 3/4 etc."};
  21 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 to & bottom being sliced out"};
  22 cvar_t cl_video_fadein = {CVAR_SAVE, "cl_video_fadein", "0", "fading-from-black effect once video is started, in seconds"};
  23 cvar_t cl_video_fadeout = {CVAR_SAVE, "cl_video_fadeout", "0", "fading-to-black effect once video is ended, in seconds"};
  24
  25 // constants (and semi-constants)
  26 static int  cl_videormask;
  27 static int  cl_videobmask;
  28 static int  cl_videogmask;
  29 static int      cl_videobytesperpixel;
  30
  31 static int cl_num_videos;
  32 static clvideo_t cl_videos[ MAXCLVIDEOS ];
  33 static rtexturepool_t *cl_videotexturepool;
  34
  35 static clvideo_t *FindUnusedVid( void )
  36 {
  37         int i;
  38         for( i = 1 ; i < MAXCLVIDEOS ; i++ )
  39                 if( cl_videos[ i ].state == CLVIDEO_UNUSED )
  40                         return &cl_videos[ i ];
  41         return NULL;
  42 }
  43
  44 static qboolean OpenStream( clvideo_t * video )
  45 {
  46         const char *errorstring;
  47         video->stream = dpvsimpledecode_open( video, video->filename, &errorstring);
  48         if (!video->stream )
  49         {
  50 #ifdef USEJAM
  51                 video->stream = jam_open( video, video->filename, &errorstring);
  52                 if (video->stream)
  53                         return true;
  54 #endif
  55                 Con_Printf("unable to open \"%s\", error: %s\n", video->filename, errorstring);
  56                 return false;
  57         }
  58         return true;
  59 }
  60
  61 static void VideoUpdateCallback(rtexture_t *rt, void *data)
  62 {
  63         clvideo_t *video = (clvideo_t *) data;
  64         R_UpdateTexture( video->cpif.tex, (unsigned char *)video->imagedata, 0, 0, video->cpif.width, video->cpif.height );
  65 }
  66
  67 static void LinkVideoTexture( clvideo_t *video )
  68 {
  69         video->cpif.tex = R_LoadTexture2D( cl_videotexturepool, video->cpif.name, video->cpif.width, video->cpif.height, NULL, TEXTYPE_BGRA, TEXF_PERSISTENT | TEXF_CLAMP, -1, NULL );
  70         R_MakeTextureDynamic( video->cpif.tex, VideoUpdateCallback, video );
  71         CL_LinkDynTexture( video->cpif.name, video->cpif.tex );
  72 }
  73
  74 static void UnlinkVideoTexture( clvideo_t *video )
  75 {
  76         CL_UnlinkDynTexture( video->cpif.name );
  77         // free the texture
  78         R_FreeTexture( video->cpif.tex );
  79         video->cpif.tex = NULL;
  80         // free the image data
  81         Mem_Free( video->imagedata );
  82 }
  83
  84 static void SuspendVideo( clvideo_t * video )
  85 {
  86         if (video->suspended)
  87                 return;
  88         video->suspended = true;
  89         UnlinkVideoTexture(video);
  90         // if we are in firstframe mode, also close the stream
  91         if (video->state == CLVIDEO_FIRSTFRAME)
  92                 video->close(video->stream);
  93 }
  94
  95 static qboolean WakeVideo( clvideo_t * video )
  96 {
  97         if( !video->suspended )
  98                 return true;
  99         video->suspended = false;
 100
 101         if( video->state == CLVIDEO_FIRSTFRAME )
 102                 if( !OpenStream( video ) ) {
 103                         video->state = CLVIDEO_UNUSED;
 104                         return false;
 105                 }
 106
 107         video->imagedata = Mem_Alloc( cls.permanentmempool, video->cpif.width * video->cpif.height * cl_videobytesperpixel );
 108         LinkVideoTexture( video );
 109
 110         // update starttime
 111         video->starttime += realtime - video->lasttime;
 112
 113         return true;
 114 }
 115
 116 static void LoadSubtitles( clvideo_t *video, const char *subtitlesfile )
 117 {
 118         char *subtitle_text;
 119         const char *data;
 120         float subtime, sublen;
 121         int numsubs = 0;
 122
 123         if (gamemode == GAME_BLOODOMNICIDE)
 124         {
 125                 char overridename[MAX_QPATH];
 126                 cvar_t *langcvar;
 127
 128                 langcvar = Cvar_FindVar("language");
 129                 subtitle_text = NULL;
 130                 if (langcvar)
 131                 {
 132                         dpsnprintf(overridename, sizeof(overridename), "script/locale/%s/%s", langcvar->string, subtitlesfile);
 133                         subtitle_text = (char *)FS_LoadFile(overridename, cls.permanentmempool, false, NULL);
 134                 }
 135                 if (!subtitle_text)
 136                         subtitle_text = (char *)FS_LoadFile(subtitlesfile, cls.permanentmempool, false, NULL);
 137         }
 138         else
 139         {
 140                 subtitle_text = (char *)FS_LoadFile(subtitlesfile, cls.permanentmempool, false, NULL);
 141         }
 142         if (!subtitle_text)
 143         {
 144                 Con_DPrintf( "LoadSubtitles: can't open subtitle file '%s'!\n", subtitlesfile );
 145                 return;
 146         }
 147
 148         // parse subtitle_text
 149         // line is: x y "text" where
 150         //    x - start time
 151         //    y - seconds last (if 0 - last thru next sub, if negative - last to next sub - this amount of seconds)
 152
 153         data = subtitle_text;
 154         for (;;)
 155         {
 156                 if (!COM_ParseToken_QuakeC(&data, false))
 157                         break;
 158                 subtime = atof( com_token );
 159                 if (!COM_ParseToken_QuakeC(&data, false))
 160                         break;
 161                 sublen = atof( com_token );
 162                 if (!COM_ParseToken_QuakeC(&data, false))
 163                         break;
 164                 if (!com_token[0])
 165                         continue;
 166                 // check limits
 167                 if (video->subtitles == CLVIDEO_MAX_SUBTITLES)
 168                 {
 169                         Con_Printf("WARNING: CLVIDEO_MAX_SUBTITLES = %i reached when reading subtitles from '%s'\n", CLVIDEO_MAX_SUBTITLES, subtitlesfile);
 170                         break;
 171                 }
 172                 // add a sub
 173                 video->subtitle_text[numsubs] = (char *) Mem_Alloc(cls.permanentmempool, strlen(com_token) + 1);
 174                 memcpy(video->subtitle_text[numsubs], com_token, strlen(com_token) + 1);
 175                 video->subtitle_start[numsubs] = subtime;
 176                 video->subtitle_end[numsubs] = sublen;
 177                 if (numsubs > 0) // make true len for prev sub, autofix overlapping subtitles
 178                 {
 179                         if (video->subtitle_end[numsubs-1] <= 0)
 180                                 video->subtitle_end[numsubs-1] = max(video->subtitle_start[numsubs-1], video->subtitle_start[numsubs] + video->subtitle_end[numsubs-1]);
 181                         else
 182                                 video->subtitle_end[numsubs-1] = min(video->subtitle_start[numsubs-1] + video->subtitle_end[numsubs-1], video->subtitle_start[numsubs]);
 183                 }
 184                 numsubs++;
 185                 // todo: check timing for consistency?
 186         }
 187         if (numsubs > 0) // make true len for prev sub, autofix overlapping subtitles
 188         {
 189                 if (video->subtitle_end[numsubs-1] <= 0)
 190                         video->subtitle_end[numsubs-1] = 99999999; // fixme: make it end when video ends?
 191                 else
 192                         video->subtitle_end[numsubs-1] = video->subtitle_start[numsubs-1] + video->subtitle_end[numsubs-1];
 193         }
 194         Z_Free( subtitle_text );
 195         video->subtitles = numsubs;
 196 /*
 197         Con_Printf( "video->subtitles: %i\n", video->subtitles );
 198         for (numsubs = 0; numsubs < video->subtitles; numsubs++)
 199                 Con_Printf( "  %03.2f %03.2f : %s\n", video->subtitle_start[numsubs], video->subtitle_end[numsubs], video->subtitle_text[numsubs] );
 200 */
 201 }
 202
 203 static clvideo_t* OpenVideo( clvideo_t *video, const char *filename, const char *name, int owner, const char *subtitlesfile )
 204 {
 205         strlcpy( video->filename, filename, sizeof(video->filename) );
 206         video->ownertag = owner;
 207         if( strncmp( name, CLVIDEOPREFIX, sizeof( CLVIDEOPREFIX ) - 1 ) )
 208                 return NULL;
 209         strlcpy( video->cpif.name, name, sizeof(video->cpif.name) );
 210
 211         if( !OpenStream( video ) )
 212                 return NULL;
 213
 214         video->state = CLVIDEO_FIRSTFRAME;
 215         video->framenum = -1;
 216         video->framerate = video->getframerate( video->stream );
 217         video->lasttime = realtime;
 218         video->subtitles = 0;
 219
 220         video->cpif.width = video->getwidth( video->stream );
 221         video->cpif.height = video->getheight( video->stream );
 222         video->imagedata = Mem_Alloc( cls.permanentmempool, video->cpif.width * video->cpif.height * cl_videobytesperpixel );
 223         LinkVideoTexture( video );
 224
 225         // VorteX: load simple subtitle_text file
 226         if (subtitlesfile[0])
 227                 LoadSubtitles( video, subtitlesfile );
 228
 229         return video;
 230 }
 231
 232 clvideo_t* CL_OpenVideo( const char *filename, const char *name, int owner, const char *subtitlesfile )
 233 {
 234         clvideo_t *video;
 235         // sanity check
 236         if( !name || !*name || strncmp( name, CLVIDEOPREFIX, sizeof( CLVIDEOPREFIX ) - 1 ) != 0 ) {
 237                 Con_DPrintf( "CL_OpenVideo: Bad video texture name '%s'!\n", name );
 238                 return NULL;
 239         }
 240
 241         video = FindUnusedVid();
 242         if( !video ) {
 243                 Con_Printf( "CL_OpenVideo: unable to open video \"%s\" - video limit reached\n", filename );
 244                 return NULL;
 245         }
 246         video = OpenVideo( video, filename, name, owner, subtitlesfile );
 247         // expand the active range to include the new entry
 248         if (video) {
 249                 cl_num_videos = max(cl_num_videos, (int)(video - cl_videos) + 1);
 250         }
 251         return video;
 252 }
 253
 254 static clvideo_t* CL_GetVideoBySlot( int slot )
 255 {
 256         clvideo_t *video = &cl_videos[ slot ];
 257
 258         if( video->suspended )
 259         {
 260                 if( !WakeVideo( video ) )
 261                         return NULL;
 262                 else if( video->state == CLVIDEO_RESETONWAKEUP )
 263                         video->framenum = -1;
 264         }
 265
 266         video->lasttime = realtime;
 267
 268         return video;
 269 }
 270
 271 clvideo_t *CL_GetVideoByName( const char *name )
 272 {
 273         int i;
 274
 275         for( i = 0 ; i < cl_num_videos ; i++ )
 276                 if( cl_videos[ i ].state != CLVIDEO_UNUSED
 277                         &&      !strcmp( cl_videos[ i ].cpif.name , name ) )
 278                         break;
 279         if( i != cl_num_videos )
 280                 return CL_GetVideoBySlot( i );
 281         else
 282                 return NULL;
 283 }
 284
 285 void CL_SetVideoState(clvideo_t *video, clvideostate_t state)
 286 {
 287         if (!video)
 288                 return;
 289
 290         video->lasttime = realtime;
 291         video->state = state;
 292         if (state == CLVIDEO_FIRSTFRAME)
 293                 CL_RestartVideo(video);
 294 }
 295
 296 void CL_RestartVideo(clvideo_t *video)
 297 {
 298         if (!video)
 299                 return;
 300
 301         // reset time
 302         video->starttime = video->lasttime = realtime;
 303         video->framenum = -1;
 304
 305         // reopen stream
 306         video->close(video->stream);
 307         if (!OpenStream(video))
 308                 video->state = CLVIDEO_UNUSED;
 309 }
 310
 311 // close video
 312 void CL_CloseVideo(clvideo_t * video)
 313 {
 314         int i;
 315
 316         if (!video || video->state == CLVIDEO_UNUSED)
 317                 return;
 318
 319         // close stream
 320         if (!video->suspended || video->state != CLVIDEO_FIRSTFRAME)
 321                 video->close(video->stream);
 322         // unlink texture
 323         if (!video->suspended)
 324                 UnlinkVideoTexture(video);
 325         // purge subtitles
 326         if (video->subtitles)
 327         {
 328                 for (i = 0; i < video->subtitles; i++)
 329                         Z_Free( video->subtitle_text[i] );
 330                 video->subtitles = 0;
 331         }
 332         video->state = CLVIDEO_UNUSED;
 333 }
 334
 335 // update all videos
 336 void CL_Video_Frame(void)
 337 {
 338         clvideo_t *video;
 339         int destframe;
 340         int i;
 341
 342         if (!cl_num_videos)
 343                 return;
 344         for (video = cl_videos, i = 0 ; i < cl_num_videos ; video++, i++)
 345         {
 346                 if (video->state != CLVIDEO_UNUSED && !video->suspended)
 347                 {
 348                         if (realtime - video->lasttime > CLTHRESHOLD)
 349                         {
 350                                 SuspendVideo(video);
 351                                 continue;
 352                         }
 353                         if (video->state == CLVIDEO_PAUSE)
 354                         {
 355                                 video->starttime = realtime - video->framenum * video->framerate;
 356                                 continue;
 357                         }
 358                         // read video frame from stream if time has come
 359                         if (video->state == CLVIDEO_FIRSTFRAME )
 360                                 destframe = 0;
 361                         else
 362                                 destframe = (int)((realtime - video->starttime) * video->framerate);
 363                         if (destframe < 0)
 364                                 destframe = 0;
 365                         if (video->framenum < destframe)
 366                         {
 367                                 do {
 368                                         video->framenum++;
 369                                         if (video->decodeframe(video->stream, video->imagedata, cl_videormask, cl_videogmask, cl_videobmask, cl_videobytesperpixel, cl_videobytesperpixel * video->cpif.width))
 370                                         {
 371                                                 // finished?
 372                                                 CL_RestartVideo(video);
 373                                                 if (video->state == CLVIDEO_PLAY)
 374                                                         video->state = CLVIDEO_FIRSTFRAME;
 375                                                 return;
 376                                         }
 377                                 } while(video->framenum < destframe);
 378                                 R_MarkDirtyTexture(video->cpif.tex);
 379                         }
 380                 }
 381         }
 382
 383         // stop main video
 384         if (cl_videos->state == CLVIDEO_FIRSTFRAME)
 385                 CL_VideoStop();
 386
 387         // reduce range to exclude unnecessary entries
 388         while(cl_num_videos > 0 && cl_videos[cl_num_videos-1].state == CLVIDEO_UNUSED)
 389                 cl_num_videos--;
 390 }
 391
 392 void CL_Video_Shutdown( void )
 393 {
 394         int i;
 395         for (i = 0 ; i < cl_num_videos ; i++)
 396                 CL_CloseVideo(&cl_videos[ i ]);
 397 }
 398
 399 void CL_PurgeOwner( int owner )
 400 {
 401         int i;
 402
 403         for (i = 0 ; i < cl_num_videos ; i++)
 404                 if (cl_videos[i].ownertag == owner)
 405                         CL_CloseVideo(&cl_videos[i]);
 406 }
 407
 408 typedef struct
 409 {
 410         dp_font_t *font;
 411         float x;
 412         float y;
 413         float width;
 414         float height;
 415         float alignment; // 0 = left, 0.5 = center, 1 = right
 416         float fontsize;
 417         float textalpha;
 418 }
 419 cl_video_subtitle_info_t;
 420
 421 float CL_DrawVideo_WordWidthFunc(void *passthrough, const char *w, size_t *length, float maxWidth)
 422 {
 423         cl_video_subtitle_info_t *si = (cl_video_subtitle_info_t *) passthrough;
 424
 425         if(w == NULL)
 426                 return si->fontsize * si->font->maxwidth;
 427         if(maxWidth >= 0)
 428                 return DrawQ_TextWidth_UntilWidth(w, length, si->fontsize, si->fontsize, false, si->font, -maxWidth); // -maxWidth: we want at least one char
 429         else if(maxWidth == -1)
 430                 return DrawQ_TextWidth(w, *length, si->fontsize, si->fontsize, false, si->font);
 431         else
 432                 return 0;
 433 }
 434
 435 int CL_DrawVideo_DisplaySubtitleLine(void *passthrough, const char *line, size_t length, float width, qboolean isContinuation)
 436 {
 437         cl_video_subtitle_info_t *si = (cl_video_subtitle_info_t *) passthrough;
 438
 439         int x = (int) (si->x + (si->width - width) * si->alignment);
 440         if (length > 0)
 441                 DrawQ_String(x, si->y, line, length, si->fontsize, si->fontsize, 1.0, 1.0, 1.0, si->textalpha, 0, NULL, false, si->font);
 442         si->y += si->fontsize;
 443         return 1;
 444 }
 445
 446 int cl_videoplaying = false; // old, but still supported
 447
 448 void CL_DrawVideo(void)
 449 {
 450         clvideo_t *video;
 451         float videotime, px, py, sx, sy, st[8], b;
 452         cl_video_subtitle_info_t si;
 453         int i;
 454
 455         if (!cl_videoplaying)
 456                 return;
 457
 458         video = CL_GetVideoBySlot( 0 );
 459
 460         // fix cvars
 461         if (cl_video_scale.value <= 0 || cl_video_scale.value > 1)
 462                 Cvar_SetValueQuick( &cl_video_scale, 1);
 463         if (cl_video_brightness.value <= 0 || cl_video_brightness.value > 10)
 464                 Cvar_SetValueQuick( &cl_video_brightness, 1);
 465
 466         // calc video proportions
 467         px = 0;
 468         py = 0;
 469         sx = vid_conwidth.integer;
 470         sy = vid_conheight.integer;
 471         st[0] = 0.0; st[1] = 0.0;
 472         st[2] = 1.0; st[3] = 0.0;
 473         st[4] = 0.0; st[5] = 1.0;
 474         st[6] = 1.0; st[7] = 1.0;
 475         if (cl_video_keepaspectratio.integer)
 476         {
 477                 float a = ((float)video->cpif.width / (float)video->cpif.height) / ((float)vid.width / (float)vid.height);
 478                 if (cl_video_keepaspectratio.integer >= 2)
 479                 {
 480                         // clip instead of scale
 481                         if (a < 1.0) // clip horizontally
 482                         {
 483                                 st[1] = st[3] = (1 - a)*0.5;
 484                                 st[5] = st[7] = 1 - (1 - a)*0.5;
 485                         }
 486                         else if (a > 1.0) // clip vertically
 487                         {
 488                                 st[0] = st[4] = (1 - 1/a)*0.5;
 489                                 st[2] = st[6] = (1/a)*0.5;
 490                         }
 491                 }
 492                 else if (a < 1.0) // scale horizontally
 493                 {
 494                         px += sx * (1 - a) * 0.5;
 495                         sx *= a;
 496                 }
 497                 else if (a > 1.0) // scale vertically
 498                 {
 499                         a = 1 / a;
 500                         py += sy * (1 - a);
 501                         sy *= a;
 502                 }
 503         }
 504
 505         if (cl_video_scale.value != 1)
 506         {
 507                 px += sx * (1 - cl_video_scale.value) * 0.5;
 508                 py += sy * (1 - cl_video_scale.value) * ((bound(-1, cl_video_scale_vpos.value, 1) + 1) / 2);
 509                 sx *= cl_video_scale.value;
 510                 sy *= cl_video_scale.value;
 511         }
 512
 513         // calc brightness for fadein and fadeout effects
 514         b = cl_video_brightness.value;
 515         if (cl_video_fadein.value && (realtime - video->starttime) < cl_video_fadein.value)
 516                 b = pow((realtime - video->starttime)/cl_video_fadein.value, 2);
 517         else if (cl_video_fadeout.value && ((video->starttime + video->framenum * video->framerate) - realtime) < cl_video_fadeout.value)
 518                 b = pow(((video->starttime + video->framenum * video->framerate) - realtime)/cl_video_fadeout.value, 2);
 519
 520         // draw black bg in case stipple is active or video is scaled
 521         if (cl_video_stipple.integer || px != 0 || py != 0 || sx != vid_conwidth.integer || sy != vid_conheight.integer)
 522                 DrawQ_Fill(0, 0, vid_conwidth.integer, vid_conheight.integer, 0, 0, 0, 1, 0);
 523
 524         // enable video-only polygon stipple (of global stipple is not active)
 525         if (qglPolygonStipple && !scr_stipple.integer && cl_video_stipple.integer)
 526         {
 527                 GLubyte stipple[128];
 528                 int i, s, width, parts;
 529
 530                 s = cl_video_stipple.integer;
 531                 parts = (s & 007);
 532                 width = (s & 070) >> 3;
 533                 qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
 534                 for(i = 0; i < 128; ++i)
 535                 {
 536                         int line = i/4;
 537                         stipple[i] = ((line >> width) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
 538                 }
 539                 qglPolygonStipple(stipple);CHECKGLERROR
 540         }
 541
 542         // draw video
 543         DrawQ_SuperPic(px, py, &video->cpif, 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);
 544
 545         // disable video-only stipple
 546         if (qglPolygonStipple && !scr_stipple.integer && cl_video_stipple.integer)
 547                 qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR
 548
 549         // VorteX: draw subtitle_text
 550         if (!video->subtitles || !cl_video_subtitles.integer)
 551                 return;
 552
 553         // find current subtitle
 554         videotime = realtime - video->starttime;
 555         for (i = 0; i < video->subtitles; i++)
 556         {
 557                 if (videotime >= video->subtitle_start[i] && videotime <= video->subtitle_end[i])
 558                 {
 559                         // found, draw it
 560                         si.font = FONT_NOTIFY;
 561                         si.x = vid_conwidth.integer * 0.1;
 562                         si.y = vid_conheight.integer - (max(1, cl_video_subtitles_lines.value) * cl_video_subtitles_textsize.value);
 563                         si.width = vid_conwidth.integer * 0.8;
 564                         si.height = max(1, cl_video_subtitles_lines.integer) * cl_video_subtitles_textsize.value;
 565                         si.alignment = 0.5;
 566                         si.fontsize = cl_video_subtitles_textsize.value;
 567                         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
 568                         COM_Wordwrap(video->subtitle_text[i], strlen(video->subtitle_text[i]), 0, si.width, CL_DrawVideo_WordWidthFunc, &si, CL_DrawVideo_DisplaySubtitleLine, &si);
 569                         break;
 570                 }
 571         }
 572 }
 573
 574 void CL_VideoStart(char *filename, const char *subtitlesfile)
 575 {
 576         Host_StartVideo();
 577
 578         if( cl_videos->state != CLVIDEO_UNUSED )
 579                 CL_CloseVideo( cl_videos );
 580         // already contains video/
 581         if( !OpenVideo( cl_videos, filename, va( CLDYNTEXTUREPREFIX "%s", filename ), 0, subtitlesfile ) )
 582                 return;
 583         // expand the active range to include the new entry
 584         cl_num_videos = max(cl_num_videos, 1);
 585
 586         cl_videoplaying = true;
 587
 588         CL_SetVideoState( cl_videos, CLVIDEO_PLAY );
 589         CL_RestartVideo( cl_videos );
 590 }
 591
 592 void CL_Video_KeyEvent( int key, int ascii, qboolean down )
 593 {
 594         // only react to up events, to allow the user to delay the abortion point if it suddenly becomes interesting..
 595         if( !down ) {
 596                 if( key == K_ESCAPE || key == K_ENTER || key == K_SPACE ) {
 597                         CL_VideoStop();
 598                 }
 599         }
 600 }
 601
 602 void CL_VideoStop(void)
 603 {
 604         cl_videoplaying = false;
 605
 606         CL_CloseVideo( cl_videos );
 607 }
 608
 609 static void CL_PlayVideo_f(void)
 610 {
 611         char name[MAX_QPATH], subtitlesfile[MAX_QPATH];
 612         const char *extension;
 613
 614         Host_StartVideo();
 615
 616         if (Cmd_Argc() < 2)
 617         {
 618                 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");
 619                 return;
 620         }
 621
 622         extension = FS_FileExtension(Cmd_Argv(1));
 623         if (extension[0])
 624                 dpsnprintf(name, sizeof(name), "video/%s", Cmd_Argv(1));
 625         else
 626                 dpsnprintf(name, sizeof(name), "video/%s.dpv", Cmd_Argv(1));
 627         if ( Cmd_Argc() > 2)
 628                 CL_VideoStart(name, Cmd_Argv(2));
 629         else
 630         {
 631                 dpsnprintf(subtitlesfile, sizeof(subtitlesfile), "video/%s.dpsubs", Cmd_Argv(1));
 632                 CL_VideoStart(name, subtitlesfile);
 633         }
 634 }
 635
 636 static void CL_StopVideo_f(void)
 637 {
 638         CL_VideoStop();
 639 }
 640
 641 static void cl_video_start( void )
 642 {
 643         int i;
 644         clvideo_t *video;
 645
 646         cl_videotexturepool = R_AllocTexturePool();
 647
 648         for( video = cl_videos, i = 0 ; i < cl_num_videos ; i++, video++ )
 649                 if( video->state != CLVIDEO_UNUSED && !video->suspended )
 650                         LinkVideoTexture( video );
 651 }
 652
 653 static void cl_video_shutdown( void )
 654 {
 655         int i;
 656         clvideo_t *video;
 657
 658         for( video = cl_videos, i = 0 ; i < cl_num_videos ; i++, video++ )
 659                 if( video->state != CLVIDEO_UNUSED && !video->suspended )
 660                         SuspendVideo( video );
 661         R_FreeTexturePool( &cl_videotexturepool );
 662 }
 663
 664 static void cl_video_newmap( void )
 665 {
 666 }
 667
 668 void CL_Video_Init( void )
 669 {
 670         union
 671         {
 672                 unsigned char b[4];
 673                 unsigned int i;
 674         }
 675         bgra;
 676
 677         cl_num_videos = 0;
 678         cl_videobytesperpixel = 4;
 679
 680         // set masks in an endian-independent way (as they really represent bytes)
 681         bgra.i = 0;bgra.b[0] = 0xFF;cl_videobmask = bgra.i;
 682         bgra.i = 0;bgra.b[1] = 0xFF;cl_videogmask = bgra.i;
 683         bgra.i = 0;bgra.b[2] = 0xFF;cl_videormask = bgra.i;
 684
 685         Cmd_AddCommand( "playvideo", CL_PlayVideo_f, "play a .dpv video file" );
 686         Cmd_AddCommand( "stopvideo", CL_StopVideo_f, "stop playing a .dpv video file" );
 687
 688         Cvar_RegisterVariable(&cl_video_subtitles);
 689         Cvar_RegisterVariable(&cl_video_subtitles_lines);
 690         Cvar_RegisterVariable(&cl_video_subtitles_textsize);
 691         Cvar_RegisterVariable(&cl_video_scale);
 692         Cvar_RegisterVariable(&cl_video_scale_vpos);
 693         Cvar_RegisterVariable(&cl_video_brightness);
 694         Cvar_RegisterVariable(&cl_video_stipple);
 695         Cvar_RegisterVariable(&cl_video_keepaspectratio);
 696         Cvar_RegisterVariable(&cl_video_fadein);
 697         Cvar_RegisterVariable(&cl_video_fadeout);
 698
 699         R_RegisterModule( "CL_Video", cl_video_start, cl_video_shutdown, cl_video_newmap, NULL, NULL );
 700 }