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GSDx: fixed incorrect RGB->YUV conversion when capturing video which was producing off colour results. 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@3517 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
sudonim1 2010-07-17 14:04:38 +00:00
parent 6fdfdf604f
commit b5f1ef528a
1 changed files with 18 additions and 40 deletions
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58
plugins/GSdx/GSCapture.cpp
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@ -245,53 +245,31 @@ public:
{
int dstpitch = ((VIDEOINFOHEADER*)mt.Format())->bmiHeader.biWidth * 2;
const GSVector4 ys(0.098f, 0.504f, 0.257f, 0.0f);
const GSVector4 us(0.439f / 2, -0.291f / 2, -0.148f / 2, 0.0f);
const GSVector4 vs(-0.071f / 2, -0.368f / 2, 0.439f / 2, 0.0f);
GSVector4 ys(0.257f, 0.504f, 0.098f, 0.0f);
GSVector4 us(-0.148f / 2, -0.291f / 2, 0.439f / 2, 0.0f);
GSVector4 vs(0.439f / 2, -0.368f / 2, -0.071f / 2, 0.0f);
const GSVector4 offset(16, 128, 16, 128);
if(rgba)
if (!rgba)
ys = ys.zyxw(), us = us.zyxw(), vs = vs.zyxw();
for(int j = 0; j < h; j++, dst += dstpitch, src += srcpitch)
{
for(int j = 0; j < h; j++, dst += dstpitch, src += srcpitch)
uint32* s = (uint32*)src;
uint16* d = (uint16*)dst;
for(int i = 0; i < w; i += 2)
{
uint32* s = (uint32*)src;
uint16* d = (uint16*)dst;
GSVector4 c0 = GSVector4(s[i + 0]);
GSVector4 c1 = GSVector4(s[i + 1]);
GSVector4 c2 = c0 + c1;
for(int i = 0; i < w; i += 2)
{
GSVector4 c0 = GSVector4(s[i + 0]);
GSVector4 c1 = GSVector4(s[i + 1]);
GSVector4 c2 = c0 + c1;
GSVector4 lo = (c0 * ys).hadd(c2 * us);
GSVector4 hi = (c1 * ys).hadd(c2 * vs);
GSVector4 lo = (c0 * ys).hadd(c2 * vs);
GSVector4 hi = (c1 * ys).hadd(c2 * us);
GSVector4 c = lo.hadd(hi) + offset;
GSVector4 c = lo.hadd(hi) + offset;
*((uint32*)&d[i]) = GSVector4i(c).rgba32();
}
}
}
else
{
for(int j = 0; j < h; j++, dst += dstpitch, src += srcpitch)
{
uint32* s = (uint32*)src;
uint16* d = (uint16*)dst;
for(int i = 0; i < w; i += 2)
{
GSVector4 c0 = GSVector4(s[i + 0]).zyxw();
GSVector4 c1 = GSVector4(s[i + 1]).zyxw();
GSVector4 c2 = c0 + c1;
GSVector4 lo = (c0 * ys).hadd(c2 * vs);
GSVector4 hi = (c1 * ys).hadd(c2 * us);
GSVector4 c = lo.hadd(hi) + offset;
*((uint32*)&d[i]) = GSVector4i(c).rgba32();
}
*((uint32*)&d[i]) = GSVector4i(c).rgba32();
}
}
}