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// VirtualDub - Video processing and capture application
// Graphics support library
// Copyright (C) 1998-2009 Avery Lee
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#include <stdafx.h>
#include "uberblit_swizzle.h"
void VDPixmapGen_Swap8In16::Init(IVDPixmapGen *gen, int srcIndex, uint32 w, uint32 h, uint32 bpr) {
InitSource(gen, srcIndex);
mRowLength = bpr;
SetOutputSize(w, h);
gen->AddWindowRequest(0, 0);
}
void VDPixmapGen_Swap8In16::Start() {
StartWindow(mRowLength);
}
uint32 VDPixmapGen_Swap8In16::GetType(uint32 index) const {
return mpSrc->GetType(mSrcIndex);
}
void VDPixmapGen_Swap8In16::Compute(void *dst0, sint32 y) {
const uint8 *src = (const uint8 *)mpSrc->GetRow(y, mSrcIndex);
uint8 *dst = (uint8 *)dst0;
sint32 w = mRowLength;
uint32 n4 = w >> 2;
for(uint32 i=0; i<n4; ++i) {
uint32 p = *(uint32 *)src;
src += 4;
uint32 r = ((p & 0xff00ff00) >> 8) + ((p & 0x00ff00ff) << 8);
*(uint32 *)dst = r;
dst += 4;
}
if (w & 2) {
dst[0] = src[1];
dst[1] = src[0];
dst += 2;
src += 2;
}
if (w & 1) {
*dst = *src;
}
}
/////////////////////////////////////////////////////////////////////////////
void VDPixmapGen_B8x2_To_B8R8::Init(IVDPixmapGen *srcCb, uint32 srcindexCb, IVDPixmapGen *srcCr, uint32 srcindexCr) {
mpSrcCb = srcCb;
mSrcIndexCb = srcindexCb;
mpSrcCr = srcCr;
mSrcIndexCr = srcindexCr;
mWidth = srcCb->GetWidth(srcindexCb);
mHeight = srcCb->GetHeight(srcindexCb);
srcCb->AddWindowRequest(0, 0);
srcCr->AddWindowRequest(0, 0);
}
void VDPixmapGen_B8x2_To_B8R8::Start() {
mpSrcCb->Start();
mpSrcCr->Start();
StartWindow(mWidth * 2);
}
uint32 VDPixmapGen_B8x2_To_B8R8::GetType(uint32 output) const {
return (mpSrcCb->GetType(mSrcIndexCb) & ~kVDPixType_Mask) | kVDPixType_B8R8;
}
void VDPixmapGen_B8x2_To_B8R8::Compute(void *dst0, sint32 y) {
uint8 *VDRESTRICT dst = (uint8 *)dst0;
const uint8 *VDRESTRICT srcCb = (const uint8 *)mpSrcCb->GetRow(y, mSrcIndexCb);
const uint8 *VDRESTRICT srcCr = (const uint8 *)mpSrcCr->GetRow(y, mSrcIndexCr);
sint32 w = mWidth;
for(sint32 x=0; x<w; ++x) {
uint8 cb = srcCb[0];
uint8 cr = srcCr[0];
dst[0] = cb;
dst[1] = cr;
++srcCb;
++srcCr;
dst += 2;
}
}
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