cvar "cl_video_keepaspectratio" which scales fullscreen video to keep original aspect...

[xonotic/darkplaces.git] / cl_video.c

diff --git a/cl_video.c b/cl_video.c
index 5b4ce367bbfbf23c020b094ebf56ed41c09de12d..cb1aee8f14a9f760eb4856c56c54116dc9eb5d17 100644 (file)
--- a/cl_video.c
+++ b/cl_video.c
@@ -12,6 +12,7 @@ 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"};
 
 // constants (and semi-constants)
 static int  cl_videormask;
@@ -52,17 +53,15 @@ static void VideoUpdateCallback(rtexture_t *rt, void *data) {
 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, -1, NULL );
+               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 )
-{
+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 );
 }
@@ -425,7 +424,7 @@ int cl_videoplaying = false; // old, but still supported
 void CL_DrawVideo(void)
 {
        clvideo_t *video;
-       float videotime;
+       float videotime, px, py, sx, sy;
        cl_video_subtitle_info_t si;
        int i;
 
@@ -440,8 +439,37 @@ void CL_DrawVideo(void)
        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;
+       if (cl_video_keepaspectratio.integer)
+       {
+               float a = ((float)video->cpif.width / (float)video->cpif.height) / ((float)vid.width / (float)vid.height);
+               Con_Printf("%f\n", a);
+               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;
+       }
+
        // draw black bg in case stipple is active or video is scaled
-       if (cl_video_stipple.integer || cl_video_scale.value != 1)
+       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)
@@ -463,16 +491,7 @@ void CL_DrawVideo(void)
        }
 
        // draw video
-       if (cl_video_scale.value == 1)
-               DrawQ_Pic(0, 0, &video->cpif, vid_conwidth.integer, vid_conheight.integer, cl_video_brightness.value, cl_video_brightness.value, cl_video_brightness.value, 1, 0);
-       else
-       {
-               int px = (int)(vid_conwidth.integer * (1 - cl_video_scale.value) * 0.5);
-               int py = (int)(vid_conheight.integer * (1 - cl_video_scale.value) * ((bound(-1, cl_video_scale_vpos.value, 1) + 1) / 2));
-               int sx = (int)(vid_conwidth.integer * cl_video_scale.value);
-               int sy = (int)(vid_conheight.integer * cl_video_scale.value);
-               DrawQ_Pic(px, py, &video->cpif, sx , sy, cl_video_brightness.value, cl_video_brightness.value, cl_video_brightness.value, 1, 0);
-       }
+       DrawQ_Pic(px, py, &video->cpif, sx, sy, cl_video_brightness.value, cl_video_brightness.value, cl_video_brightness.value, 1, 0);
 
        // disable video-only stipple
        if (qglPolygonStipple && !scr_stipple.integer && cl_video_stipple.integer)
@@ -579,13 +598,7 @@ static void cl_video_start( void )
 
 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 );
-
+       // TODO: unlink video textures?
        R_FreeTexturePool( &cl_videotexturepool );
 }
 
@@ -620,7 +633,7 @@ void CL_Video_Init( void )
        Cvar_RegisterVariable(&cl_video_scale_vpos);
        Cvar_RegisterVariable(&cl_video_brightness);
        Cvar_RegisterVariable(&cl_video_stipple);
+       Cvar_RegisterVariable(&cl_video_keepaspectratio);
 
        R_RegisterModule( "CL_Video", cl_video_start, cl_video_shutdown, cl_video_newmap, NULL, NULL );
-}
-
+}
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