playvideo: cl_video_keepaspectratio == 2 will do clip instead of stretch, added simpl...
authorvortex <vortex@d7cf8633-e32d-0410-b094-e92efae38249>
Tue, 16 Nov 2010 22:14:27 +0000 (22:14 +0000)
committervortex <vortex@d7cf8633-e32d-0410-b094-e92efae38249>
Tue, 16 Nov 2010 22:14:27 +0000 (22:14 +0000)
git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@10601 d7cf8633-e32d-0410-b094-e92efae38249

cl_video.c

index e779d76..634e69a 100644 (file)
@@ -12,7 +12,9 @@ cvar_t cl_video_scale = {CVAR_SAVE, "cl_video_scale", "1", "scale of video, 1 =
 cvar_t cl_video_scale_vpos = {CVAR_SAVE, "cl_video_scale_vpos", "0", "vertial 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"};
+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"};
+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;
@@ -268,118 +270,127 @@ clvideo_t *CL_GetVideoByName( const char *name )
                return NULL;
 }
 
-void CL_SetVideoState( clvideo_t *video, clvideostate_t state )
+void CL_SetVideoState(clvideo_t *video, clvideostate_t state)
 {
-       if( !video )
+       if (!video)
                return;
 
        video->lasttime = realtime;
        video->state = state;
-       if( state == CLVIDEO_FIRSTFRAME )
-               CL_RestartVideo( video );
+       if (state == CLVIDEO_FIRSTFRAME)
+               CL_RestartVideo(video);
 }
 
-void CL_RestartVideo( clvideo_t *video )
+void CL_RestartVideo(clvideo_t *video)
 {
-       if( !video )
+       if (!video)
                return;
 
+       // reset time
        video->starttime = video->lasttime = realtime;
        video->framenum = -1;
 
-       dpvsimpledecode_close( video->stream );
-       if( !OpenStream( video ) )
+       // reopen stream
+       dpvsimpledecode_close(video->stream);
+       if (!OpenStream(video))
                video->state = CLVIDEO_UNUSED;
 }
 
-void CL_CloseVideo( clvideo_t * video )
+// close video
+void CL_CloseVideo(clvideo_t * video)
 {
        int i;
 
-       if( !video || video->state == CLVIDEO_UNUSED )
+       if (!video || video->state == CLVIDEO_UNUSED)
                return;
 
-       if( !video->suspended || video->state != CLVIDEO_FIRSTFRAME )
-               dpvsimpledecode_close( video->stream );
-       if( !video->suspended )
-               UnlinkVideoTexture( video );
+       // close stream
+       if (!video->suspended || video->state != CLVIDEO_FIRSTFRAME)
+               dpvsimpledecode_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;
 }
 
-static void VideoFrame( clvideo_t *video )
+// update all videos
+void CL_Video_Frame(void) 
 {
+       clvideo_t *video;
        int destframe;
-
-       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( dpvsimpledecode_video( 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 );
-       }
-}
-
-void CL_Video_Frame( void ) // update all videos
-{
        int i;
-       clvideo_t *video;
 
        if (!cl_num_videos)
                return;
-
-       for( video = cl_videos, i = 0 ; i < cl_num_videos ; video++, i++ )
-               if( video->state != CLVIDEO_UNUSED && !video->suspended )
+       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 );
-                       else if( video->state == CLVIDEO_PAUSE )
+                       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
-                               VideoFrame( video );
+                               destframe = (int)((realtime - video->starttime) * video->framerate);
+                       if (destframe < 0)
+                               destframe = 0;
+                       if (video->framenum < destframe)
+                       {
+                               do {
+                                       video->framenum++;
+                                       if (dpvsimpledecode_video(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);
+                       }
                }
+       }
 
-       if( cl_videos->state == CLVIDEO_FIRSTFRAME )
+       // 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)
+       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 ] );
+       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 ] );
+
+       for (i = 0 ; i < cl_num_videos ; i++)
+               if (cl_videos[i].ownertag == owner)
+                       CL_CloseVideo(&cl_videos[i]);
 }
 
 typedef struct
@@ -425,7 +436,7 @@ int cl_videoplaying = false; // old, but still supported
 void CL_DrawVideo(void)
 {
        clvideo_t *video;
-       float videotime, px, py, sx, sy;
+       float videotime, px, py, sx, sy, st[8], b;
        cl_video_subtitle_info_t si;
        int i;
 
@@ -445,10 +456,28 @@ void CL_DrawVideo(void)
        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 (a < 1.0) // scale horizontally
+               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;
@@ -460,6 +489,7 @@ void CL_DrawVideo(void)
                        sy *= a;
                }
        }
+
        if (cl_video_scale.value != 1)
        {
                px += sx * (1 - cl_video_scale.value) * 0.5;
@@ -468,6 +498,13 @@ void CL_DrawVideo(void)
                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);
@@ -491,7 +528,7 @@ void CL_DrawVideo(void)
        }
 
        // draw video
-       DrawQ_Pic(px, py, &video->cpif, sx, sy, cl_video_brightness.value, cl_video_brightness.value, cl_video_brightness.value, 1, 0);
+       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)
@@ -639,6 +676,8 @@ void CL_Video_Init( void )
        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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