mirror of https://github.com/odrling/Aegisub
Fixed flipping in the avisynth prs filter, but still glitchy and crashing
Originally committed to SVN as r280.
This commit is contained in:
parent
7a3ab721bb
commit
f17f7e03e6
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@ -84,6 +84,8 @@ PVideoFrame __stdcall DrawPRS::GetFrame(int n, IScriptEnvironment* env) {
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frame.h = avsFrame->GetHeight();
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frame.h = avsFrame->GetHeight();
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frame.pitch = avsFrame->GetPitch();
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frame.pitch = avsFrame->GetPitch();
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frame.colorSpace = ColorSpace_RGB32;
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frame.colorSpace = ColorSpace_RGB32;
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frame.flipColors = true;
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frame.flipVertical = true;
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// Draw into the frame
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// Draw into the frame
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file.DrawFrame(n,&frame);
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file.DrawFrame(n,&frame);
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@ -61,6 +61,8 @@ PRSVideoFrame::PRSVideoFrame () {
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w = 0;
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w = 0;
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h = 0;
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h = 0;
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ownData = false;
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ownData = false;
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flipColors = false;
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flipVertical = false;
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}
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}
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@ -82,6 +84,11 @@ void PRSVideoFrame::Overlay(PRSVideoFrame *dstFrame,int x,int y,unsigned char al
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const unsigned char *src;
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const unsigned char *src;
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unsigned char *dst;
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unsigned char *dst;
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// Flip?
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bool flipVer = flipVertical != dstFrame->flipVertical;
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bool flipCol = flipColors != dstFrame->flipColors;
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if (flipCol) y = dstFrame->h - h - y;
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// Get boundaries
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// Get boundaries
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int srcBpp = 4;
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int srcBpp = 4;
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int dstBpp = 4;
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int dstBpp = 4;
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@ -93,23 +100,32 @@ void PRSVideoFrame::Overlay(PRSVideoFrame *dstFrame,int x,int y,unsigned char al
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int rowLen = MID(0,w,dstFrame->w - x);
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int rowLen = MID(0,w,dstFrame->w - x);
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// Values
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// Values
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unsigned char sc1,sc2,sc3,a,ia;
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unsigned char sc1,sc2,sc3,a,ia,aux;
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unsigned char dc1,dc2,dc3,da;
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unsigned char dc1,dc2,dc3,da;
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// Draw each row
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// Draw each row
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for (int j=0;j<height;j++) {
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for (int j=0;j<height;j++) {
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src = (const unsigned char *) data[0] + j*srcRowLen;
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src = (const unsigned char *) data[0] + j*srcRowLen;
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dst = (unsigned char *) dstFrame->data[0] + (j+dstStarty)*dstRowLen + x*dstBpp;
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dst = (unsigned char *) dstFrame->data[0] + x*dstBpp;
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if (flipCol) dst += (h-j-1+dstStarty)*dstRowLen;
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else dst += (j+dstStarty)*dstRowLen;
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// Draw the row
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// Draw the row
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for (int i=0;i<rowLen;i++) {
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for (int i=0;i<rowLen;i++) {
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// Read source
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// Read source
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sc3 = *src++;
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sc2 = *src++;
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sc1 = *src++;
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sc1 = *src++;
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sc2 = *src++;
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sc3 = *src++;
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a = *src++;
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a = *src++;
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ia = 255-a;
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ia = 255-a;
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// Swap colors
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if (flipCol) {
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aux = sc1;
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sc1 = sc3;
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sc3 = aux;
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}
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// Read destination
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// Read destination
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dc1 = *(dst);
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dc1 = *(dst);
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dc2 = *(dst+1);
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dc2 = *(dst+1);
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@ -120,8 +136,8 @@ void PRSVideoFrame::Overlay(PRSVideoFrame *dstFrame,int x,int y,unsigned char al
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*dst++ = (sc1*a + dc1*ia)/255;
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*dst++ = (sc1*a + dc1*ia)/255;
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*dst++ = (sc2*a + dc2*ia)/255;
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*dst++ = (sc2*a + dc2*ia)/255;
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*dst++ = (sc3*a + dc3*ia)/255;
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*dst++ = (sc3*a + dc3*ia)/255;
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//*dst++ = 255-(ia*(255-da)/255);
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*dst++ = 255-(ia*(255-da)/255);
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*dst++ = da;
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//*dst++ = da;
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}
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}
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}
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}
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}
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}
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@ -57,6 +57,9 @@ public:
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int pitch; // Pitch (that is, width plus invisible area for optimization)
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int pitch; // Pitch (that is, width plus invisible area for optimization)
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ColorSpaceType colorSpace; // Color space
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ColorSpaceType colorSpace; // Color space
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bool flipVertical; // Frame is flipped vertically
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bool flipColors; // Colors are flipped
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PRSVideoFrame();
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PRSVideoFrame();
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~PRSVideoFrame();
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~PRSVideoFrame();
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