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         // free the image data
  66         Mem_Free( video->imagedata );
  67 }
  68
  69 static void SuspendVideo( clvideo_t * video )
  70 {
  71         if( video->suspended )
  72                 return;
  73         video->suspended = true;
  74         UnlinkVideoTexture( video );
  75         // if we are in firstframe mode, also close the stream
  76         if( video->state == CLVIDEO_FIRSTFRAME )
  77                 dpvsimpledecode_close( video->stream );
  78 }
  79
  80 static qboolean WakeVideo( clvideo_t * video )
  81 {
  82         if( !video->suspended )
  83                 return true;
  84         video->suspended = false;
  85
  86         if( video->state == CLVIDEO_FIRSTFRAME )
  87                 if( !OpenStream( video ) ) {
  88                         video->state = CLVIDEO_UNUSED;
  89                         return false;
  90                 }
  91
  92         video->imagedata = Mem_Alloc( cls.permanentmempool, video->cpif.width * video->cpif.height * cl_videobytesperpixel );
  93         LinkVideoTexture( video );
  94
  95         // update starttime
  96         video->starttime += realtime - video->lasttime;
  97
  98         return true;
  99 }
 100
 101 static void LoadSubtitles( clvideo_t *video, const char *subtitlesfile )
 102 {
 103         char *subtitle_text;
 104         const char *data;
 105         float subtime, sublen;
 106         int numsubs = 0;
 107
 108         if (gamemode == GAME_BLOODOMNICIDE)
 109         {
 110                 char overridename[MAX_QPATH];
 111                 cvar_t *langcvar;
 112
 113                 langcvar = Cvar_FindVar("language");
 114                 subtitle_text = NULL;
 115                 if (langcvar)
 116                 {
 117                         dpsnprintf(overridename, sizeof(overridename), "script/locale/%s/%s", langcvar->string, subtitlesfile);
 118                         subtitle_text = (char *)FS_LoadFile(overridename, cls.permanentmempool, false, NULL);
 119                 }
 120                 if (!subtitle_text)
 121                         subtitle_text = (char *)FS_LoadFile(subtitlesfile, cls.permanentmempool, false, NULL);
 122         }
 123         else
 124         {
 125                 subtitle_text = (char *)FS_LoadFile(subtitlesfile, cls.permanentmempool, false, NULL);
 126         }
 127         if (!subtitle_text)
 128         {
 129                 Con_DPrintf( "LoadSubtitles: can't open subtitle file '%s'!\n", subtitlesfile );
 130                 return;
 131         }
 132
 133         // parse subtitle_text
 134         // line is: x y "text" where
 135         //    x - start time
 136         //    y - seconds last (if 0 - last thru next sub, if negative - last to next sub - this amount of seconds)
 137
 138         data = subtitle_text;
 139         for (;;)
 140         {
 141                 if (!COM_ParseToken_QuakeC(&data, false))
 142                         break;
 143                 subtime = atof( com_token );
 144                 if (!COM_ParseToken_QuakeC(&data, false))
 145                         break;
 146                 sublen = atof( com_token );
 147                 if (!COM_ParseToken_QuakeC(&data, false))
 148                         break;
 149                 if (!com_token[0])
 150                         continue;
 151                 // check limits
 152                 if (video->subtitles == CLVIDEO_MAX_SUBTITLES)
 153                 {
 154                         Con_Printf("WARNING: CLVIDEO_MAX_SUBTITLES = %i reached when reading subtitles from '%s'\n", CLVIDEO_MAX_SUBTITLES, subtitlesfile);
 155                         break;
 156                 }
 157                 // add a sub
 158                 video->subtitle_text[numsubs] = (char *) Mem_Alloc(cls.permanentmempool, strlen(com_token) + 1);
 159                 memcpy(video->subtitle_text[numsubs], com_token, strlen(com_token) + 1);
 160                 video->subtitle_start[numsubs] = subtime;
 161                 video->subtitle_end[numsubs] = sublen;
 162                 if (numsubs > 0) // make true len for prev sub, autofix overlapping subtitles
 163                 {
 164                         if (video->subtitle_end[numsubs-1] <= 0)
 165                                 video->subtitle_end[numsubs-1] = max(video->subtitle_start[numsubs-1], video->subtitle_start[numsubs] + video->subtitle_end[numsubs-1]);
 166                         else
 167                                 video->subtitle_end[numsubs-1] = min(video->subtitle_start[numsubs-1] + video->subtitle_end[numsubs-1], video->subtitle_start[numsubs]);
 168                 }
 169                 numsubs++;
 170                 // todo: check timing for consistency?
 171         }
 172         if (numsubs > 0) // make true len for prev sub, autofix overlapping subtitles
 173         {
 174                 if (video->subtitle_end[numsubs-1] <= 0)
 175                         video->subtitle_end[numsubs-1] = 99999999; // fixme: make it end when video ends?
 176                 else
 177                         video->subtitle_end[numsubs-1] = video->subtitle_start[numsubs-1] + video->subtitle_end[numsubs-1];
 178         }
 179         Z_Free( subtitle_text );
 180         video->subtitles = numsubs;
 181 /*
 182         Con_Printf( "video->subtitles: %i\n", video->subtitles );
 183         for (numsubs = 0; numsubs < video->subtitles; numsubs++)
 184                 Con_Printf( "  %03.2f %03.2f : %s\n", video->subtitle_start[numsubs], video->subtitle_end[numsubs], video->subtitle_text[numsubs] );
 185 */
 186 }
 187
 188 static clvideo_t* OpenVideo( clvideo_t *video, const char *filename, const char *name, int owner, const char *subtitlesfile )
 189 {
 190         strlcpy( video->filename, filename, sizeof(video->filename) );
 191         video->ownertag = owner;
 192         if( strncmp( name, CLVIDEOPREFIX, sizeof( CLVIDEOPREFIX ) - 1 ) )
 193                 return NULL;
 194         strlcpy( video->cpif.name, name, sizeof(video->cpif.name) );
 195
 196         if( !OpenStream( video ) )
 197                 return NULL;
 198
 199         video->state = CLVIDEO_FIRSTFRAME;
 200         video->framenum = -1;
 201         video->framerate = dpvsimpledecode_getframerate( video->stream );
 202         video->lasttime = realtime;
 203         video->subtitles = 0;
 204
 205         video->cpif.width = dpvsimpledecode_getwidth( video->stream );
 206         video->cpif.height = dpvsimpledecode_getheight( video->stream );
 207         video->imagedata = Mem_Alloc( cls.permanentmempool, video->cpif.width * video->cpif.height * cl_videobytesperpixel );
 208         LinkVideoTexture( video );
 209
 210         // VorteX: load simple subtitle_text file
 211         if (subtitlesfile[0])
 212                 LoadSubtitles( video, subtitlesfile );
 213
 214         return video;
 215 }
 216
 217 clvideo_t* CL_OpenVideo( const char *filename, const char *name, int owner, const char *subtitlesfile )
 218 {
 219         clvideo_t *video;
 220         // sanity check
 221         if( !name || !*name || strncmp( name, CLVIDEOPREFIX, sizeof( CLVIDEOPREFIX ) - 1 ) != 0 ) {
 222                 Con_DPrintf( "CL_OpenVideo: Bad video texture name '%s'!\n", name );
 223                 return NULL;
 224         }
 225
 226         video = FindUnusedVid();
 227         if( !video ) {
 228                 Con_Printf( "CL_OpenVideo: unable to open video \"%s\" - video limit reached\n", filename );
 229                 return NULL;
 230         }
 231         video = OpenVideo( video, filename, name, owner, subtitlesfile );
 232         // expand the active range to include the new entry
 233         if (video) {
 234                 cl_num_videos = max(cl_num_videos, (int)(video - cl_videos) + 1);
 235         }
 236         return video;
 237 }
 238
 239 static clvideo_t* CL_GetVideoBySlot( int slot )
 240 {
 241         clvideo_t *video = &cl_videos[ slot ];
 242
 243         if( video->suspended )
 244         {
 245                 if( !WakeVideo( video ) )
 246                         return NULL;
 247                 else if( video->state == CLVIDEO_RESETONWAKEUP )
 248                         video->framenum = -1;
 249         }
 250
 251         video->lasttime = realtime;
 252
 253         return video;
 254 }
 255
 256 clvideo_t *CL_GetVideoByName( const char *name )
 257 {
 258         int i;
 259
 260         for( i = 0 ; i < cl_num_videos ; i++ )
 261                 if( cl_videos[ i ].state != CLVIDEO_UNUSED
 262                         &&      !strcmp( cl_videos[ i ].cpif.name , name ) )
 263                         break;
 264         if( i != cl_num_videos )
 265                 return CL_GetVideoBySlot( i );
 266         else
 267                 return NULL;
 268 }
 269
 270 void CL_SetVideoState( clvideo_t *video, clvideostate_t state )
 271 {
 272         if( !video )
 273                 return;
 274
 275         video->lasttime = realtime;
 276         video->state = state;
 277         if( state == CLVIDEO_FIRSTFRAME )
 278                 CL_RestartVideo( video );
 279 }
 280
 281 void CL_RestartVideo( clvideo_t *video )
 282 {
 283         if( !video )
 284                 return;
 285
 286         video->starttime = video->lasttime = realtime;
 287         video->framenum = -1;
 288
 289         dpvsimpledecode_close( video->stream );
 290         if( !OpenStream( video ) )
 291                 video->state = CLVIDEO_UNUSED;
 292 }
 293
 294 void CL_CloseVideo( clvideo_t * video )
 295 {
 296         int i;
 297
 298         if( !video || video->state == CLVIDEO_UNUSED )
 299                 return;
 300
 301         if( !video->suspended || video->state != CLVIDEO_FIRSTFRAME )
 302                 dpvsimpledecode_close( video->stream );
 303         if( !video->suspended )
 304                 UnlinkVideoTexture( video );
 305         if (video->subtitles)
 306         {
 307                 for (i = 0; i < video->subtitles; i++)
 308                         Z_Free( video->subtitle_text[i] );
 309                 video->subtitles = 0;
 310         }
 311
 312         video->state = CLVIDEO_UNUSED;
 313 }
 314
 315 static void VideoFrame( clvideo_t *video )
 316 {
 317         int destframe;
 318
 319         if( video->state == CLVIDEO_FIRSTFRAME )
 320                 destframe = 0;
 321         else
 322                 destframe = (int)((realtime - video->starttime) * video->framerate);
 323         if( destframe < 0 )
 324                 destframe = 0;
 325         if( video->framenum < destframe ) {
 326                 do {
 327                         video->framenum++;
 328                         if( dpvsimpledecode_video( video->stream, video->imagedata, cl_videormask,
 329                                 cl_videogmask, cl_videobmask, cl_videobytesperpixel,
 330                                 cl_videobytesperpixel * video->cpif.width )
 331                                 ) { // finished?
 332                                 CL_RestartVideo( video );
 333                                 if( video->state == CLVIDEO_PLAY )
 334                                                 video->state = CLVIDEO_FIRSTFRAME;
 335                                 return;
 336                         }
 337                 } while( video->framenum < destframe );
 338                 R_MarkDirtyTexture( video->cpif.tex );
 339         }
 340 }
 341
 342 void CL_Video_Frame( void ) // update all videos
 343 {
 344         int i;
 345         clvideo_t *video;
 346
 347         if (!cl_num_videos)
 348                 return;
 349
 350         for( video = cl_videos, i = 0 ; i < cl_num_videos ; video++, i++ )
 351                 if( video->state != CLVIDEO_UNUSED && !video->suspended )
 352                 {
 353                         if( realtime - video->lasttime > CLTHRESHOLD )
 354                                 SuspendVideo( video );
 355                         else if( video->state == CLVIDEO_PAUSE )
 356                                 video->starttime = realtime - video->framenum * video->framerate;
 357                         else
 358                                 VideoFrame( video );
 359                 }
 360
 361         if( cl_videos->state == CLVIDEO_FIRSTFRAME )
 362                 CL_VideoStop();
 363
 364         // reduce range to exclude unnecessary entries
 365         while (cl_num_videos > 0 && cl_videos[cl_num_videos-1].state == CLVIDEO_UNUSED)
 366                 cl_num_videos--;
 367 }
 368
 369 void CL_Video_Shutdown( void )
 370 {
 371         int i;
 372         for( i = 0 ; i < cl_num_videos ; i++ )
 373                 CL_CloseVideo( &cl_videos[ i ] );
 374 }
 375
 376 void CL_PurgeOwner( int owner )
 377 {
 378         int i;
 379         for( i = 0 ; i < cl_num_videos ; i++ )
 380                 if( cl_videos[ i ].ownertag == owner )
 381                         CL_CloseVideo( &cl_videos[ i ] );
 382 }
 383
 384 typedef struct
 385 {
 386         dp_font_t *font;
 387         float x;
 388         float y;
 389         float width;
 390         float height;
 391         float alignment; // 0 = left, 0.5 = center, 1 = right
 392         float fontsize;
 393         float textalpha;
 394 }
 395 cl_video_subtitle_info_t;
 396
 397 float CL_DrawVideo_WordWidthFunc(void *passthrough, const char *w, size_t *length, float maxWidth)
 398 {
 399         cl_video_subtitle_info_t *si = (cl_video_subtitle_info_t *) passthrough;
 400
 401         if(w == NULL)
 402                 return si->fontsize * si->font->maxwidth;
 403         if(maxWidth >= 0)
 404                 return DrawQ_TextWidth_UntilWidth(w, length, si->fontsize, si->fontsize, false, si->font, -maxWidth); // -maxWidth: we want at least one char
 405         else if(maxWidth == -1)
 406                 return DrawQ_TextWidth(w, *length, si->fontsize, si->fontsize, false, si->font);
 407         else
 408                 return 0;
 409 }
 410
 411 int CL_DrawVideo_DisplaySubtitleLine(void *passthrough, const char *line, size_t length, float width, qboolean isContinuation)
 412 {
 413         cl_video_subtitle_info_t *si = (cl_video_subtitle_info_t *) passthrough;
 414
 415         int x = (int) (si->x + (si->width - width) * si->alignment);
 416         if (length > 0)
 417                 DrawQ_String(x, si->y, line, length, si->fontsize, si->fontsize, 1.0, 1.0, 1.0, si->textalpha, 0, NULL, false, si->font);
 418         si->y += si->fontsize;
 419         return 1;
 420 }
 421
 422 int cl_videoplaying = false; // old, but still supported
 423
 424 void CL_DrawVideo(void)
 425 {
 426         clvideo_t *video;
 427         float videotime, px, py, sx, sy;
 428         cl_video_subtitle_info_t si;
 429         int i;
 430
 431         if (!cl_videoplaying)
 432                 return;
 433
 434         video = CL_GetVideoBySlot( 0 );
 435
 436         // fix cvars
 437         if (cl_video_scale.value <= 0 || cl_video_scale.value > 1)
 438                 Cvar_SetValueQuick( &cl_video_scale, 1);
 439         if (cl_video_brightness.value <= 0 || cl_video_brightness.value > 10)
 440                 Cvar_SetValueQuick( &cl_video_brightness, 1);
 441
 442         // calc video proportions
 443         px = 0;
 444         py = 0;
 445         sx = vid_conwidth.integer;
 446         sy = vid_conheight.integer;
 447         if (cl_video_keepaspectratio.integer)
 448         {
 449                 float a = ((float)video->cpif.width / (float)video->cpif.height) / ((float)vid.width / (float)vid.height);
 450                 Con_Printf("%f\n", a);
 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         // TODO: unlink video textures?
 602         R_FreeTexturePool( &cl_videotexturepool );
 603 }
 604
 605 static void cl_video_newmap( void )
 606 {
 607 }
 608
 609 void CL_Video_Init( void )
 610 {
 611         union
 612         {
 613                 unsigned char b[4];
 614                 unsigned int i;
 615         }
 616         bgra;
 617
 618         cl_num_videos = 0;
 619         cl_videobytesperpixel = 4;
 620
 621         // set masks in an endian-independent way (as they really represent bytes)
 622         bgra.i = 0;bgra.b[0] = 0xFF;cl_videobmask = bgra.i;
 623         bgra.i = 0;bgra.b[1] = 0xFF;cl_videogmask = bgra.i;
 624         bgra.i = 0;bgra.b[2] = 0xFF;cl_videormask = bgra.i;
 625
 626         Cmd_AddCommand( "playvideo", CL_PlayVideo_f, "play a .dpv video file" );
 627         Cmd_AddCommand( "stopvideo", CL_StopVideo_f, "stop playing a .dpv video file" );
 628
 629         Cvar_RegisterVariable(&cl_video_subtitles);
 630         Cvar_RegisterVariable(&cl_video_subtitles_lines);
 631         Cvar_RegisterVariable(&cl_video_subtitles_textsize);
 632         Cvar_RegisterVariable(&cl_video_scale);
 633         Cvar_RegisterVariable(&cl_video_scale_vpos);
 634         Cvar_RegisterVariable(&cl_video_brightness);
 635         Cvar_RegisterVariable(&cl_video_stipple);
 636         Cvar_RegisterVariable(&cl_video_keepaspectratio);
 637
 638         R_RegisterModule( "CL_Video", cl_video_start, cl_video_shutdown, cl_video_newmap, NULL, NULL );
 639 }