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-rw-r--r--VideoPreview/src/media/UVideo.pas189
1 files changed, 143 insertions, 46 deletions
diff --git a/VideoPreview/src/media/UVideo.pas b/VideoPreview/src/media/UVideo.pas
index b70f78cc..1fea42c0 100644
--- a/VideoPreview/src/media/UVideo.pas
+++ b/VideoPreview/src/media/UVideo.pas
@@ -94,6 +94,8 @@ const
PIXEL_FMT_SIZE = 3;
{$ENDIF}
+ ReflectionH = 0.5; //reflection height (50%)
+
type
IVideo_FFmpeg = interface (IVideo)
['{E640E130-C8C0-4399-AF02-67A3569313AB}']
@@ -154,6 +156,8 @@ type
procedure SynchronizeTime(Frame: PAVFrame; var pts: double);
procedure GetVideoRect(var ScreenRect, TexRect: TRectCoords);
+ procedure DrawBorders(ScreenRect: TRectCoords);
+ procedure DrawBordersReflected(ScreenRect: TRectCoords; AlphaUpper, AlphaLower: double);
procedure ShowDebugInfo();
@@ -933,7 +937,7 @@ begin
// 1. Screen/display resolution (e.g. 1920x1080 -> 16:9)
// 2. Render aspect (fWidth x fHeight -> variable)
// 3. Movie aspect (video frame aspect stored in fAspect)
- ScreenAspect := fWidth*((ScreenW/Screens)/RenderW)/(fHeight*(ScreenH/RenderH));;
+ ScreenAspect := fWidth*((ScreenW/Screens)/RenderW)/(fHeight*(ScreenH/RenderH));
case fAspectCorrection of
acoStretch: begin
@@ -981,27 +985,88 @@ begin
TexRect.Lower := (fCodecContext^.height / fTexHeight) * fFrameRange.Lower;
end;
-procedure TVideo_FFmpeg.Draw();
+procedure TVideo_FFmpeg.DrawBorders(ScreenRect: TRectCoords);
+ procedure DrawRect(left, right, upper, lower: double);
+ begin
+ glColor4f(0, 0, 0, fAlpha);
+ glBegin(GL_QUADS);
+ glVertex3f(left, upper, fPosZ);
+ glVertex3f(right, upper, fPosZ);
+ glVertex3f(right, lower, fPosZ);
+ glVertex3f(left, lower, fPosZ);
+ glEnd;
+ end;
+begin
+ //upper border
+ if(ScreenRect.Upper > fPosY) then
+ DrawRect(fPosX, fPosX+fWidth, fPosY, ScreenRect.Upper);
+
+ //lower border
+ if(ScreenRect.Lower < fPosY+fHeight) then
+ DrawRect(fPosX, fPosX+fWidth, ScreenRect.Lower, fPosY+fHeight);
+
+ //left border
+ if(ScreenRect.Left > fPosX) then
+ DrawRect(fPosX, ScreenRect.Left, fPosY, fPosY+fHeight);
+
+ //right border
+ if(ScreenRect.Right < fPosX+fWidth) then
+ DrawRect(ScreenRect.Right, fPosX+fWidth, fPosY, fPosY+fHeight);
+end;
+
+procedure TVideo_FFmpeg.DrawBordersReflected(ScreenRect: TRectCoords; AlphaUpper, AlphaLower: double);
var
- ScreenRect: TRectCoords;
- TexRect: TRectCoords;
+ rPosUpper, rPosLower: double;
+
+ procedure DrawRect(left, right, upper, lower: double);
+ var
+ AlphaTop: double;
+ AlphaBottom: double;
-begin
- // have a nice black background to draw on
- // (even if there were errors opening the vid)
- // TODO: Philipp: IMO TVideoPlayback should not clear the screen at
- // all, because clearing is already done by the background class
- // at this moment.
- {if (fScreen = 1) then
begin
- // It is important that we just clear once before we start
- // drawing the first screen otherwise the first screen
- // would be cleared by the drawgl called when the second
- // screen is drawn
- glClearColor(0, 0, 0, 0);
- glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT);
- end;}
+ AlphaTop := AlphaUpper+(AlphaLower-AlphaUpper)*(upper-rPosUpper)/(fHeight*ReflectionH);
+ AlphaBottom := AlphaLower+(AlphaUpper-AlphaLower)*(rPosLower-lower)/(fHeight*ReflectionH);
+
+ glBegin(GL_QUADS);
+ glColor4f(0, 0, 0, AlphaTop);
+ glVertex3f(left, upper, fPosZ);
+ glVertex3f(right, upper, fPosZ);
+
+ glColor4f(0, 0, 0, AlphaBottom);
+ glVertex3f(right, lower, fPosZ);
+ glVertex3f(left, lower, fPosZ);
+ glEnd;
+ end;
+begin
+ rPosUpper := fPosY+fHeight+fReflectionSpacing;
+ rPosLower := rPosUpper+fHeight*ReflectionH;
+
+ //upper border
+ if(ScreenRect.Upper > rPosUpper) then
+ DrawRect(fPosX, fPosX+fWidth, rPosUpper, ScreenRect.Upper);
+
+ //lower border
+ if(ScreenRect.Lower < rPosLower) then
+ DrawRect(fPosX, fPosX+fWidth, ScreenRect.Lower, rPosLower);
+
+ //left border
+ if(ScreenRect.Left > fPosX) then
+ DrawRect(fPosX, ScreenRect.Left, rPosUpper, rPosLower);
+
+ //right border
+ if(ScreenRect.Right < fPosX+fWidth) then
+ DrawRect(ScreenRect.Right, fPosX+fWidth, rPosUpper, rPosLower);
+end;
+
+
+procedure TVideo_FFmpeg.Draw();
+var
+ ScreenRect: TRectCoords;
+ TexRect: TRectCoords;
+ HeightFactor: double;
+ WidthFactor: double;
+begin
// exit if there's nothing to draw
if (not fOpened) then
Exit;
@@ -1013,10 +1078,15 @@ begin
// get texture and screen positions
GetVideoRect(ScreenRect, TexRect);
- glScissor(round(fPosX*(ScreenW/Screens)/RenderW+(ScreenW/Screens)*(fScreen-1)),
- round((RenderH-fPosY-fHeight)*ScreenH/RenderH),
- round(fWidth*(ScreenW/Screens)/RenderW),
- round(fHeight*ScreenH/RenderH));
+ WidthFactor := (ScreenW/Screens) / RenderW;
+ HeightFactor := ScreenH / RenderH;
+
+ glScissor(
+ round(fPosX*WidthFactor + HeightFactor*(fScreen-1)),
+ round((RenderH-fPosY-fHeight)*HeightFactor),
+ round(fWidth*WidthFactor),
+ round(fHeight*HeightFactor)
+ );
glEnable(GL_SCISSOR_TEST);
glEnable(GL_BLEND);
@@ -1044,6 +1114,10 @@ begin
glDisable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
+
+ //draw black borders
+ DrawBorders(ScreenRect);
+
glDisable(GL_DEPTH_TEST);
glDisable(GL_BLEND);
glDisable(GL_SCISSOR_TEST);
@@ -1060,8 +1134,16 @@ end;
procedure TVideo_FFmpeg.DrawReflection();
var
- ScreenRect: TRectCoords;
- TexRect: TRectCoords;
+ ScreenRect: TRectCoords;
+ TexRect: TRectCoords;
+ HeightFactor: double;
+ WidthFactor: double;
+
+ AlphaTop: double;
+ AlphaBottom: double;
+
+ AlphaUpper: double;
+ AlphaLower: double;
begin
// exit if there's nothing to draw
@@ -1071,10 +1153,15 @@ begin
// get texture and screen positions
GetVideoRect(ScreenRect, TexRect);
- glScissor(round(fPosX*(ScreenW/Screens)/RenderW+(ScreenW/Screens)*(fScreen-1)),
- round((RenderH-fPosY-fHeight-fReflectionSpacing-fHeight*0.5)*ScreenH/RenderH),
- round(fWidth*(ScreenW/Screens)/RenderW),
- round(fHeight*ScreenH/RenderH*0.5));
+ WidthFactor := (ScreenW/Screens) / RenderW;
+ HeightFactor := ScreenH / RenderH;
+
+ glScissor(
+ round(fPosX*WidthFactor + HeightFactor*(fScreen-1)),
+ round((RenderH-fPosY-fHeight-fReflectionSpacing-fHeight*ReflectionH)*HeightFactor),
+ round(fWidth*WidthFactor),
+ round(fHeight*HeightFactor*ReflectionH)
+ );
glEnable(GL_SCISSOR_TEST);
glEnable(GL_BLEND);
@@ -1084,39 +1171,49 @@ begin
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, fFrameTex);
- glColor4f(1, 1, 1, fAlpha);
+
+ //calculate new ScreenRect coordinates for Reflection
+ ScreenRect.Lower := fPosY + fHeight + fReflectionSpacing
+ + (ScreenRect.Upper-fPosY) + (ScreenRect.Lower-ScreenRect.Upper)*ReflectionH;
+ ScreenRect.Upper := fPosY + fHeight + fReflectionSpacing
+ + (ScreenRect.Upper-fPosY);
+
+ AlphaUpper := fAlpha-0.3;
+ AlphaLower := 0;
+
+ AlphaTop := AlphaUpper-(AlphaLower-AlphaUpper)*
+ (ScreenRect.Upper-fPosY-fHeight-fReflectionSpacing)/fHeight;
+ AlphaBottom := AlphaLower+(AlphaUpper-AlphaLower)*
+ (fPosY+fHeight+fReflectionSpacing+fHeight*ReflectionH-ScreenRect.Lower)/fHeight;
glBegin(GL_QUADS);
//Top Left
- glColor4f(1, 1, 1, fAlpha-0.3);
+ glColor4f(1, 1, 1, AlphaTop);
glTexCoord2f(TexRect.Left, TexRect.Lower);
- glVertex3f(ScreenRect.Left,
- fPosY + fHeight + fReflectionSpacing,
- fPosZ);
+ glVertex3f(ScreenRect.Left, ScreenRect.Upper, fPosZ);
//Bottom Left
- glColor4f(1, 1, 1, 0);
- glTexCoord2f(TexRect.Left, (TexRect.Lower-TexRect.Upper)*0.5);
- glVertex3f(ScreenRect.Left,
- fPosY + fHeight + (ScreenRect.Lower-ScreenRect.Upper)*0.5 + fReflectionSpacing,
- fPosZ);
+ glColor4f(1, 1, 1, AlphaBottom);
+ glTexCoord2f(TexRect.Left, (TexRect.Lower-TexRect.Upper)*(1-ReflectionH));
+ glVertex3f(ScreenRect.Left, ScreenRect.Lower, fPosZ);
//Bottom Right
- glColor4f(1, 1, 1, 0);
- glTexCoord2f(TexRect.Right, (TexRect.Lower-TexRect.Upper)*0.5);
- glVertex3f(ScreenRect.Right,
- fPosY + fHeight + (ScreenRect.Lower-ScreenRect.Upper)*0.5 + fReflectionSpacing,
- fPosZ);
+ glColor4f(1, 1, 1, AlphaBottom);
+ glTexCoord2f(TexRect.Right, (TexRect.Lower-TexRect.Upper)*(1-ReflectionH));
+ glVertex3f(ScreenRect.Right, ScreenRect.Lower, fPosZ);
//Top Right
- glColor4f(1, 1, 1, fAlpha-0.3);
+ glColor4f(1, 1, 1, AlphaTop);
glTexCoord2f(TexRect.Right, TexRect.Lower);
- glVertex3f(ScreenRect.Right, fPosY + fHeight + fReflectionSpacing,
- fPosZ);
+ glVertex3f(ScreenRect.Right, ScreenRect.Upper, fPosZ);
glEnd;
glDisable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
+
+ //draw black borders
+ DrawBordersReflected(ScreenRect, AlphaUpper, AlphaLower);
+
glDisable(GL_DEPTH_TEST);
glDisable(GL_BLEND);
glDisable(GL_SCISSOR_TEST);
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-21 06:06:52 +0000