cl_video.c

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