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cl_video.c

#include "quakedef.h"
#include "cl_dyntexture.h"
#include "cl_video.h"
#include "dpvsimpledecode.h"

// VorteX: JAM video module used by Blood Omnicide
#define USEJAM
#ifdef USEJAM
  #include "cl_video_jamdecode.c"
#endif

// cvars
cvar_t cl_video_subtitles = {CVAR_SAVE, "cl_video_subtitles", "0", "show subtitles for videos (if they are present)"};
cvar_t cl_video_subtitles_lines = {CVAR_SAVE, "cl_video_subtitles_lines", "4", "how many lines to occupy for subtitles"};
cvar_t cl_video_subtitles_textsize = {CVAR_SAVE, "cl_video_subtitles_textsize", "16", "textsize for subtitles"};
cvar_t cl_video_scale = {CVAR_SAVE, "cl_video_scale", "1", "scale of video, 1 = fullscreen, 0.75 - 3/4 of screen etc."};
cvar_t cl_video_scale_vpos = {CVAR_SAVE, "cl_video_scale_vpos", "0", "vertical align of scaled video, -1 is top, 1 is bottom"};
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."};
cvar_t cl_video_brightness = {CVAR_SAVE, "cl_video_brightness", "1", "brightness of video, 1 = fullbright, 0.75 - 3/4 etc."};
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"};
cvar_t cl_video_fadein = {CVAR_SAVE, "cl_video_fadein", "0", "fading-from-black effect once video is started, in seconds"};
cvar_t cl_video_fadeout = {CVAR_SAVE, "cl_video_fadeout", "0", "fading-to-black effect once video is ended, in seconds"};

// constants (and semi-constants)
static int  cl_videormask;
static int  cl_videobmask;
static int  cl_videogmask;
static int  cl_videobytesperpixel;

static int cl_num_videos;
static clvideo_t cl_videos[ MAXCLVIDEOS ];
static rtexturepool_t *cl_videotexturepool;

static clvideo_t *FindUnusedVid( void )
{
      int i;
      for( i = 1 ; i < MAXCLVIDEOS ; i++ )
            if( cl_videos[ i ].state == CLVIDEO_UNUSED )
                  return &cl_videos[ i ];
      return NULL;
}

static qboolean OpenStream( clvideo_t * video )
{
      const char *errorstring;
      video->stream = dpvsimpledecode_open( video, video->filename, &errorstring);
      if (!video->stream )
      {
#ifdef USEJAM
            video->stream = jam_open( video, video->filename, &errorstring);
            if (video->stream)
                  return true;
#endif
            Con_Printf("unable to open \"%s\", error: %s\n", video->filename, errorstring);
            return false;
      }
      return true;
}

static void VideoUpdateCallback(rtexture_t *rt, void *data)
{
      clvideo_t *video = (clvideo_t *) data;
      R_UpdateTexture( video->cpif.tex, (unsigned char *)video->imagedata, 0, 0, 0, video->cpif.width, video->cpif.height, 1 );
}

static void LinkVideoTexture( clvideo_t *video )
{
      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 );
      R_MakeTextureDynamic( video->cpif.tex, VideoUpdateCallback, video );
      CL_LinkDynTexture( video->cpif.name, video->cpif.tex );
}

static void UnlinkVideoTexture( clvideo_t *video )
{
      CL_UnlinkDynTexture( video->cpif.name );
      // free the texture
      R_FreeTexture( video->cpif.tex );
      video->cpif.tex = NULL;
      // free the image data
      Mem_Free( video->imagedata );
}

static void SuspendVideo( clvideo_t * video )
{
      if (video->suspended)
            return;
      video->suspended = true;
      UnlinkVideoTexture(video);
      // if we are in firstframe mode, also close the stream
      if (video->state == CLVIDEO_FIRSTFRAME)
            video->close(video->stream);
}

static qboolean WakeVideo( clvideo_t * video )
{
      if( !video->suspended )
            return true;
      video->suspended = false;

      if( video->state == CLVIDEO_FIRSTFRAME )
            if( !OpenStream( video ) ) {
                  video->state = CLVIDEO_UNUSED;
                  return false;
            }

      video->imagedata = Mem_Alloc( cls.permanentmempool, video->cpif.width * video->cpif.height * cl_videobytesperpixel );
      LinkVideoTexture( video );

      // update starttime
      video->starttime += realtime - video->lasttime;

      return true;
}

static void LoadSubtitles( clvideo_t *video, const char *subtitlesfile )
{
      char *subtitle_text;
      const char *data;
      float subtime, sublen;
      int numsubs = 0;

      if (gamemode == GAME_BLOODOMNICIDE)
      {
            char overridename[MAX_QPATH];
            cvar_t *langcvar;

            langcvar = Cvar_FindVar("language");
            subtitle_text = NULL;
            if (langcvar)
            {
                  dpsnprintf(overridename, sizeof(overridename), "script/locale/%s/%s", langcvar->string, subtitlesfile);
                  subtitle_text = (char *)FS_LoadFile(overridename, cls.permanentmempool, false, NULL);
            }
            if (!subtitle_text)
                  subtitle_text = (char *)FS_LoadFile(subtitlesfile, cls.permanentmempool, false, NULL);
      }
      else
      {
            subtitle_text = (char *)FS_LoadFile(subtitlesfile, cls.permanentmempool, false, NULL);
      }
      if (!subtitle_text)
      {
            Con_DPrintf( "LoadSubtitles: can't open subtitle file '%s'!\n", subtitlesfile );
            return;
      }

      // parse subtitle_text
      // line is: x y "text" where
      //    x - start time
      //    y - seconds last (if 0 - last thru next sub, if negative - last to next sub - this amount of seconds)

      data = subtitle_text;
      for (;;)
      {
            if (!COM_ParseToken_QuakeC(&data, false))
                  break;
            subtime = atof( com_token );
            if (!COM_ParseToken_QuakeC(&data, false))
                  break;
            sublen = atof( com_token );
            if (!COM_ParseToken_QuakeC(&data, false))
                  break;
            if (!com_token[0])
                  continue;
            // check limits
            if (video->subtitles == CLVIDEO_MAX_SUBTITLES)
            {
                  Con_Printf("WARNING: CLVIDEO_MAX_SUBTITLES = %i reached when reading subtitles from '%s'\n", CLVIDEO_MAX_SUBTITLES, subtitlesfile);
                  break;      
            }
            // add a sub
            video->subtitle_text[numsubs] = (char *) Mem_Alloc(cls.permanentmempool, strlen(com_token) + 1);
            memcpy(video->subtitle_text[numsubs], com_token, strlen(com_token) + 1);
            video->subtitle_start[numsubs] = subtime;
            video->subtitle_end[numsubs] = sublen;
            if (numsubs > 0) // make true len for prev sub, autofix overlapping subtitles
            {
                  if (video->subtitle_end[numsubs-1] <= 0)
                        video->subtitle_end[numsubs-1] = max(video->subtitle_start[numsubs-1], video->subtitle_start[numsubs] + video->subtitle_end[numsubs-1]);
                  else
                        video->subtitle_end[numsubs-1] = min(video->subtitle_start[numsubs-1] + video->subtitle_end[numsubs-1], video->subtitle_start[numsubs]);
            }
            numsubs++;
            // todo: check timing for consistency?
      }
      if (numsubs > 0) // make true len for prev sub, autofix overlapping subtitles
      {
            if (video->subtitle_end[numsubs-1] <= 0)
                  video->subtitle_end[numsubs-1] = 99999999; // fixme: make it end when video ends?
            else
                  video->subtitle_end[numsubs-1] = video->subtitle_start[numsubs-1] + video->subtitle_end[numsubs-1];
      }
      Z_Free( subtitle_text );
      video->subtitles = numsubs;
/*
      Con_Printf( "video->subtitles: %i\n", video->subtitles );
      for (numsubs = 0; numsubs < video->subtitles; numsubs++)
            Con_Printf( "  %03.2f %03.2f : %s\n", video->subtitle_start[numsubs], video->subtitle_end[numsubs], video->subtitle_text[numsubs] );
*/
}

static clvideo_t* OpenVideo( clvideo_t *video, const char *filename, const char *name, int owner, const char *subtitlesfile )
{
      strlcpy( video->filename, filename, sizeof(video->filename) );
      video->ownertag = owner;
      if( strncmp( name, CLVIDEOPREFIX, sizeof( CLVIDEOPREFIX ) - 1 ) )
            return NULL;
      strlcpy( video->cpif.name, name, sizeof(video->cpif.name) );

      if( !OpenStream( video ) )
            return NULL;

      video->state = CLVIDEO_FIRSTFRAME;
      video->framenum = -1;
      video->framerate = video->getframerate( video->stream );
      video->lasttime = realtime;
      video->subtitles = 0;

      video->cpif.width = video->getwidth( video->stream );
      video->cpif.height = video->getheight( video->stream );
      video->imagedata = Mem_Alloc( cls.permanentmempool, video->cpif.width * video->cpif.height * cl_videobytesperpixel );
      LinkVideoTexture( video );

      // VorteX: load simple subtitle_text file
      if (subtitlesfile[0])
            LoadSubtitles( video, subtitlesfile );

      return video;
}

clvideo_t* CL_OpenVideo( const char *filename, const char *name, int owner, const char *subtitlesfile )
{
      clvideo_t *video;
      // sanity check
      if( !name || !*name || strncmp( name, CLVIDEOPREFIX, sizeof( CLVIDEOPREFIX ) - 1 ) != 0 ) {
            Con_DPrintf( "CL_OpenVideo: Bad video texture name '%s'!\n", name );
            return NULL;
      }

      video = FindUnusedVid();
      if( !video ) {
            Con_Printf( "CL_OpenVideo: unable to open video \"%s\" - video limit reached\n", filename );
            return NULL;
      }
      video = OpenVideo( video, filename, name, owner, subtitlesfile );
      // expand the active range to include the new entry
      if (video) {
            cl_num_videos = max(cl_num_videos, (int)(video - cl_videos) + 1);
      }
      return video;
}

static clvideo_t* CL_GetVideoBySlot( int slot )
{
      clvideo_t *video = &cl_videos[ slot ];

      if( video->suspended )
      {
            if( !WakeVideo( video ) )
                  return NULL;
            else if( video->state == CLVIDEO_RESETONWAKEUP )
                  video->framenum = -1;
      }

      video->lasttime = realtime;

      return video;
}

clvideo_t *CL_GetVideoByName( const char *name )
{
      int i;

      for( i = 0 ; i < cl_num_videos ; i++ )
            if( cl_videos[ i ].state != CLVIDEO_UNUSED
                  &&    !strcmp( cl_videos[ i ].cpif.name , name ) )
                  break;
      if( i != cl_num_videos )
            return CL_GetVideoBySlot( i );
      else
            return NULL;
}

void CL_SetVideoState(clvideo_t *video, clvideostate_t state)
{
      if (!video)
            return;

      video->lasttime = realtime;
      video->state = state;
      if (state == CLVIDEO_FIRSTFRAME)
            CL_RestartVideo(video);
}

void CL_RestartVideo(clvideo_t *video)
{
      if (!video)
            return;

      // reset time
      video->starttime = video->lasttime = realtime;
      video->framenum = -1;

      // reopen stream
      video->close(video->stream);
      if (!OpenStream(video))
            video->state = CLVIDEO_UNUSED;
}

// close video
void CL_CloseVideo(clvideo_t * video)
{
      int i;

      if (!video || video->state == CLVIDEO_UNUSED)
            return;

      // close stream
      if (!video->suspended || video->state != CLVIDEO_FIRSTFRAME)
            video->close(video->stream);
      // unlink texture
      if (!video->suspended)
            UnlinkVideoTexture(video);
      // purge subtitles
      if (video->subtitles)
      {
            for (i = 0; i < video->subtitles; i++)
                  Z_Free( video->subtitle_text[i] );
            video->subtitles = 0;
      }
      video->state = CLVIDEO_UNUSED;
}

// update all videos
void CL_Video_Frame(void) 
{
      clvideo_t *video;
      int destframe;
      int i;

      if (!cl_num_videos)
            return;
      for (video = cl_videos, i = 0 ; i < cl_num_videos ; video++, i++)
      {
            if (video->state != CLVIDEO_UNUSED && !video->suspended)
            {
                  if (realtime - video->lasttime > CLTHRESHOLD)
                  {
                        SuspendVideo(video);
                        continue;
                  }
                  if (video->state == CLVIDEO_PAUSE)
                  {
                        video->starttime = realtime - video->framenum * video->framerate;
                        continue;
                  }
                  // read video frame from stream if time has come
                  if (video->state == CLVIDEO_FIRSTFRAME )
                        destframe = 0;
                  else
                        destframe = (int)((realtime - video->starttime) * video->framerate);
                  if (destframe < 0)
                        destframe = 0;
                  if (video->framenum < destframe)
                  {
                        do {
                              video->framenum++;
                              if (video->decodeframe(video->stream, video->imagedata, cl_videormask, cl_videogmask, cl_videobmask, cl_videobytesperpixel, cl_videobytesperpixel * video->cpif.width))
                              { 
                                    // finished?
                                    CL_RestartVideo(video);
                                    if (video->state == CLVIDEO_PLAY)
                                          video->state = CLVIDEO_FIRSTFRAME;
                                    return;
                              }
                        } while(video->framenum < destframe);
                        R_MarkDirtyTexture(video->cpif.tex);
                  }
            }
      }

      // stop main video
      if (cl_videos->state == CLVIDEO_FIRSTFRAME)
            CL_VideoStop();

      // reduce range to exclude unnecessary entries
      while(cl_num_videos > 0 && cl_videos[cl_num_videos-1].state == CLVIDEO_UNUSED)
            cl_num_videos--;
}

void CL_Video_Shutdown( void )
{
      int i;
      for (i = 0 ; i < cl_num_videos ; i++)
            CL_CloseVideo(&cl_videos[ i ]);
}

void CL_PurgeOwner( int owner )
{
      int i;

      for (i = 0 ; i < cl_num_videos ; i++)
            if (cl_videos[i].ownertag == owner)
                  CL_CloseVideo(&cl_videos[i]);
}

00408 typedef struct
{
      dp_font_t *font;
      float x;
      float y;
      float width;
      float height;
      float alignment; // 0 = left, 0.5 = center, 1 = right
      float fontsize;
      float textalpha;
}
cl_video_subtitle_info_t;

float CL_DrawVideo_WordWidthFunc(void *passthrough, const char *w, size_t *length, float maxWidth)
{
      cl_video_subtitle_info_t *si = (cl_video_subtitle_info_t *) passthrough;

      if(w == NULL)
            return si->fontsize * si->font->maxwidth;
      if(maxWidth >= 0)
            return DrawQ_TextWidth_UntilWidth(w, length, si->fontsize, si->fontsize, false, si->font, -maxWidth); // -maxWidth: we want at least one char
      else if(maxWidth == -1)
            return DrawQ_TextWidth(w, *length, si->fontsize, si->fontsize, false, si->font);
      else
            return 0;
}

int CL_DrawVideo_DisplaySubtitleLine(void *passthrough, const char *line, size_t length, float width, qboolean isContinuation)
{
      cl_video_subtitle_info_t *si = (cl_video_subtitle_info_t *) passthrough;

      int x = (int) (si->x + (si->width - width) * si->alignment);
      if (length > 0)
            DrawQ_String(x, si->y, line, length, si->fontsize, si->fontsize, 1.0, 1.0, 1.0, si->textalpha, 0, NULL, false, si->font);
      si->y += si->fontsize;
      return 1;
}

int cl_videoplaying = false; // old, but still supported

void CL_DrawVideo(void)
{
      clvideo_t *video;
      float videotime, px, py, sx, sy, st[8], b;
      cl_video_subtitle_info_t si;
      int i;

      if (!cl_videoplaying)
            return;

      video = CL_GetVideoBySlot( 0 );

      // fix cvars
      if (cl_video_scale.value <= 0 || cl_video_scale.value > 1)
            Cvar_SetValueQuick( &cl_video_scale, 1);
      if (cl_video_brightness.value <= 0 || cl_video_brightness.value > 10)
            Cvar_SetValueQuick( &cl_video_brightness, 1);

      // calc video proportions
      px = 0;
      py = 0;
      sx = vid_conwidth.integer;
      sy = vid_conheight.integer;
      st[0] = 0.0; st[1] = 0.0; 
      st[2] = 1.0; st[3] = 0.0; 
      st[4] = 0.0; st[5] = 1.0; 
      st[6] = 1.0; st[7] = 1.0; 
      if (cl_video_keepaspectratio.integer)
      {
            float a = ((float)video->cpif.width / (float)video->cpif.height) / ((float)vid.width / (float)vid.height);
            if (cl_video_keepaspectratio.integer >= 2)
            {
                  // clip instead of scale
                  if (a < 1.0) // clip horizontally
                  {
                        st[1] = st[3] = (1 - a)*0.5;
                        st[5] = st[7] = 1 - (1 - a)*0.5;
                  }
                  else if (a > 1.0) // clip vertically
                  {
                        st[0] = st[4] = (1 - 1/a)*0.5;
                        st[2] = st[6] = (1/a)*0.5;
                  }
            }
            else if (a < 1.0) // scale horizontally
            {
                  px += sx * (1 - a) * 0.5;
                  sx *= a;
            }
            else if (a > 1.0) // scale vertically
            {
                  a = 1 / a;
                  py += sy * (1 - a);
                  sy *= a;
            }
      }

      if (cl_video_scale.value != 1)
      {
            px += sx * (1 - cl_video_scale.value) * 0.5;
            py += sy * (1 - cl_video_scale.value) * ((bound(-1, cl_video_scale_vpos.value, 1) + 1) / 2);
            sx *= cl_video_scale.value;
            sy *= cl_video_scale.value;
      }

      // calc brightness for fadein and fadeout effects
      b = cl_video_brightness.value;
      if (cl_video_fadein.value && (realtime - video->starttime) < cl_video_fadein.value)
            b = pow((realtime - video->starttime)/cl_video_fadein.value, 2);
      else if (cl_video_fadeout.value && ((video->starttime + video->framenum * video->framerate) - realtime) < cl_video_fadeout.value)
            b = pow(((video->starttime + video->framenum * video->framerate) - realtime)/cl_video_fadeout.value, 2);

      // draw black bg in case stipple is active or video is scaled
      if (cl_video_stipple.integer || px != 0 || py != 0 || sx != vid_conwidth.integer || sy != vid_conheight.integer)
            DrawQ_Fill(0, 0, vid_conwidth.integer, vid_conheight.integer, 0, 0, 0, 1, 0);

      // enable video-only polygon stipple (of global stipple is not active)
      if (qglPolygonStipple && !scr_stipple.integer && cl_video_stipple.integer)
      {
            GLubyte stipple[128];
            int i, s, width, parts;
      
            s = cl_video_stipple.integer;
            parts = (s & 007);
            width = (s & 070) >> 3;
            qglEnable(GL_POLYGON_STIPPLE);CHECKGLERROR // 0x0B42
            for(i = 0; i < 128; ++i)
            {
                  int line = i/4;
                  stipple[i] = ((line >> width) & ((1 << parts) - 1)) ? 0x00 : 0xFF;
            }
            qglPolygonStipple(stipple);CHECKGLERROR
      }

      // draw video
      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);

      // disable video-only stipple
      if (qglPolygonStipple && !scr_stipple.integer && cl_video_stipple.integer)
            qglDisable(GL_POLYGON_STIPPLE);CHECKGLERROR

      // VorteX: draw subtitle_text
      if (!video->subtitles || !cl_video_subtitles.integer)
            return;

      // find current subtitle
      videotime = realtime - video->starttime;
      for (i = 0; i < video->subtitles; i++)
      {
            if (videotime >= video->subtitle_start[i] && videotime <= video->subtitle_end[i])
            {
                  // found, draw it
                  si.font = FONT_NOTIFY;
                  si.x = vid_conwidth.integer * 0.1;
                  si.y = vid_conheight.integer - (max(1, cl_video_subtitles_lines.value) * cl_video_subtitles_textsize.value);
                  si.width = vid_conwidth.integer * 0.8;
                  si.height = max(1, cl_video_subtitles_lines.integer) * cl_video_subtitles_textsize.value;
                  si.alignment = 0.5;
                  si.fontsize = cl_video_subtitles_textsize.value;
                  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
                  COM_Wordwrap(video->subtitle_text[i], strlen(video->subtitle_text[i]), 0, si.width, CL_DrawVideo_WordWidthFunc, &si, CL_DrawVideo_DisplaySubtitleLine, &si);
                  break;
            }
      }
}

void CL_VideoStart(char *filename, const char *subtitlesfile)
{
      Host_StartVideo();

      if( cl_videos->state != CLVIDEO_UNUSED )
            CL_CloseVideo( cl_videos );
      // already contains video/
      if( !OpenVideo( cl_videos, filename, va( CLDYNTEXTUREPREFIX "%s", filename ), 0, subtitlesfile ) )
            return;
      // expand the active range to include the new entry
      cl_num_videos = max(cl_num_videos, 1);

      cl_videoplaying = true;

      CL_SetVideoState( cl_videos, CLVIDEO_PLAY );
      CL_RestartVideo( cl_videos );
}

void CL_Video_KeyEvent( int key, int ascii, qboolean down ) 
{
      // only react to up events, to allow the user to delay the abortion point if it suddenly becomes interesting..
      if( !down ) {
            if( key == K_ESCAPE || key == K_ENTER || key == K_SPACE ) {
                  CL_VideoStop();
            }
      }
}

void CL_VideoStop(void)
{
      cl_videoplaying = false;

      CL_CloseVideo( cl_videos );
}

static void CL_PlayVideo_f(void)
{
      char name[MAX_QPATH], subtitlesfile[MAX_QPATH];
      const char *extension;

      Host_StartVideo();

      if (COM_CheckParm("-benchmark"))
            return;

      if (Cmd_Argc() < 2)
      {
            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");
            return;
      }

      extension = FS_FileExtension(Cmd_Argv(1));
      if (extension[0])
            dpsnprintf(name, sizeof(name), "video/%s", Cmd_Argv(1));
      else
            dpsnprintf(name, sizeof(name), "video/%s.dpv", Cmd_Argv(1));
      if ( Cmd_Argc() > 2)
            CL_VideoStart(name, Cmd_Argv(2));
      else
      {
            dpsnprintf(subtitlesfile, sizeof(subtitlesfile), "video/%s.dpsubs", Cmd_Argv(1));
            CL_VideoStart(name, subtitlesfile);
      }
}

static void CL_StopVideo_f(void)
{
      CL_VideoStop();
}

static void cl_video_start( void )
{
      int i;
      clvideo_t *video;

      cl_videotexturepool = R_AllocTexturePool();

      for( video = cl_videos, i = 0 ; i < cl_num_videos ; i++, video++ )
            if( video->state != CLVIDEO_UNUSED && !video->suspended )
                  LinkVideoTexture( video );
}

static void cl_video_shutdown( void )
{
      int i;
      clvideo_t *video;

      for( video = cl_videos, i = 0 ; i < cl_num_videos ; i++, video++ )
            if( video->state != CLVIDEO_UNUSED && !video->suspended )
                  SuspendVideo( video );
      R_FreeTexturePool( &cl_videotexturepool );
}

static void cl_video_newmap( void )
{
}

void CL_Video_Init( void )
{
      union
      {
            unsigned char b[4];
            unsigned int i;
      }
      bgra;

      cl_num_videos = 0;
      cl_videobytesperpixel = 4;

      // set masks in an endian-independent way (as they really represent bytes)
      bgra.i = 0;bgra.b[0] = 0xFF;cl_videobmask = bgra.i;
      bgra.i = 0;bgra.b[1] = 0xFF;cl_videogmask = bgra.i;
      bgra.i = 0;bgra.b[2] = 0xFF;cl_videormask = bgra.i;

      Cmd_AddCommand( "playvideo", CL_PlayVideo_f, "play a .dpv video file" );
      Cmd_AddCommand( "stopvideo", CL_StopVideo_f, "stop playing a .dpv video file" );

      Cvar_RegisterVariable(&cl_video_subtitles);
      Cvar_RegisterVariable(&cl_video_subtitles_lines);
      Cvar_RegisterVariable(&cl_video_subtitles_textsize);
      Cvar_RegisterVariable(&cl_video_scale);
      Cvar_RegisterVariable(&cl_video_scale_vpos);
      Cvar_RegisterVariable(&cl_video_brightness);
      Cvar_RegisterVariable(&cl_video_stipple);
      Cvar_RegisterVariable(&cl_video_keepaspectratio);
      Cvar_RegisterVariable(&cl_video_fadein);
      Cvar_RegisterVariable(&cl_video_fadeout);

      R_RegisterModule( "CL_Video", cl_video_start, cl_video_shutdown, cl_video_newmap, NULL, NULL );
}

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