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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 <vd2/system/halffloat.h>
#include <vd2/system/math.h>
#include "uberblit_v210.h"
///////////////////////////////////////////////////////////////////////////////
void VDPixmapGen_32F_To_V210::Compute(void *dst0, sint32 y) {
uint32 *dst = (uint32 *)dst0;
const float *srcR = (const float *)mpSrcR->GetRow(y, mSrcIndexR);
const float *srcG = (const float *)mpSrcG->GetRow(y, mSrcIndexG);
const float *srcB = (const float *)mpSrcB->GetRow(y, mSrcIndexB);
VDCPUCleanupExtensions();
int w6 = mWidth / 6;
for(sint32 i=0; i<w6; ++i) {
float r0 = srcR[0];
float r1 = srcR[1];
float r2 = srcR[2];
srcR += 3;
float b0 = srcB[0];
float b1 = srcB[1];
float b2 = srcB[2];
srcB += 3;
float g0 = srcG[0];
float g1 = srcG[1];
float g2 = srcG[2];
float g3 = srcG[3];
float g4 = srcG[4];
float g5 = srcG[5];
srcG += 6;
if (r0 < 0.0f) r0 = 0.0f; else if (r0 > 1.0f) r0 = 1.0f;
if (r1 < 0.0f) r1 = 0.0f; else if (r1 > 1.0f) r1 = 1.0f;
if (r2 < 0.0f) r2 = 0.0f; else if (r2 > 1.0f) r2 = 1.0f;
if (g0 < 0.0f) g0 = 0.0f; else if (g0 > 1.0f) g0 = 1.0f;
if (g1 < 0.0f) g1 = 0.0f; else if (g1 > 1.0f) g1 = 1.0f;
if (g2 < 0.0f) g2 = 0.0f; else if (g2 > 1.0f) g2 = 1.0f;
if (g3 < 0.0f) g3 = 0.0f; else if (g3 > 1.0f) g3 = 1.0f;
if (g4 < 0.0f) g4 = 0.0f; else if (g4 > 1.0f) g4 = 1.0f;
if (g5 < 0.0f) g5 = 0.0f; else if (g5 > 1.0f) g5 = 1.0f;
if (b0 < 0.0f) b0 = 0.0f; else if (b0 > 1.0f) b0 = 1.0f;
if (b1 < 0.0f) b1 = 0.0f; else if (b1 > 1.0f) b1 = 1.0f;
if (b2 < 0.0f) b2 = 0.0f; else if (b2 > 1.0f) b2 = 1.0f;
uint32 ir0 = (uint32)VDRoundToIntFast(r0 * 1024.0f);
uint32 ir1 = (uint32)VDRoundToIntFast(r1 * 1024.0f);
uint32 ir2 = (uint32)VDRoundToIntFast(r2 * 1024.0f);
uint32 ib0 = (uint32)VDRoundToIntFast(b0 * 1024.0f);
uint32 ib1 = (uint32)VDRoundToIntFast(b1 * 1024.0f);
uint32 ib2 = (uint32)VDRoundToIntFast(b2 * 1024.0f);
uint32 ig0 = (uint32)VDRoundToIntFast(g0 * 1024.0f);
uint32 ig1 = (uint32)VDRoundToIntFast(g1 * 1024.0f);
uint32 ig2 = (uint32)VDRoundToIntFast(g2 * 1024.0f);
uint32 ig3 = (uint32)VDRoundToIntFast(g3 * 1024.0f);
uint32 ig4 = (uint32)VDRoundToIntFast(g4 * 1024.0f);
uint32 ig5 = (uint32)VDRoundToIntFast(g5 * 1024.0f);
// dword 0: XX Cr0 Y0 Cb0
// dword 1: XX Y2 Cb1 Y1
// dword 2: XX Cb2 Y3 Cr1
// dword 3: XX Y5 Cr2 Y4
dst[0] = (ir0 << 20) + (ig0 << 10) + ib0;
dst[1] = (ig2 << 20) + (ib1 << 10) + ig1;
dst[2] = (ib2 << 20) + (ig3 << 10) + ir1;
dst[3] = (ig5 << 20) + (ir2 << 10) + ig4;
dst += 4;
}
int leftovers = mWidth - w6*6;
if (leftovers) {
float g0 = 0;
float g1 = 0;
float g2 = 0;
float g3 = 0;
float g4 = 0;
float r0 = 0;
float r1 = 0;
float r2 = 0;
float b0 = 0;
float b1 = 0;
float b2 = 0;
switch(leftovers) {
case 5: r2 = srcR[2];
b2 = srcB[2];
g4 = srcG[4];
case 4: g3 = srcG[3];
case 3: r1 = srcR[1];
b1 = srcB[1];
g2 = srcG[2];
case 2: g1 = srcG[1];
case 1: r0 = srcR[0];
b0 = srcB[0];
g0 = srcG[0];
}
if (r0 < 0.0f) r0 = 0.0f; else if (r0 > 1.0f) r0 = 1.0f;
if (r1 < 0.0f) r1 = 0.0f; else if (r1 > 1.0f) r1 = 1.0f;
if (r2 < 0.0f) r2 = 0.0f; else if (r2 > 1.0f) r2 = 1.0f;
if (g0 < 0.0f) g0 = 0.0f; else if (g0 > 1.0f) g0 = 1.0f;
if (g1 < 0.0f) g1 = 0.0f; else if (g1 > 1.0f) g1 = 1.0f;
if (g2 < 0.0f) g2 = 0.0f; else if (g2 > 1.0f) g2 = 1.0f;
if (g3 < 0.0f) g3 = 0.0f; else if (g3 > 1.0f) g3 = 1.0f;
if (g4 < 0.0f) g4 = 0.0f; else if (g4 > 1.0f) g4 = 1.0f;
if (b0 < 0.0f) b0 = 0.0f; else if (b0 > 1.0f) b0 = 1.0f;
if (b1 < 0.0f) b1 = 0.0f; else if (b1 > 1.0f) b1 = 1.0f;
if (b2 < 0.0f) b2 = 0.0f; else if (b2 > 1.0f) b2 = 1.0f;
uint32 ir0 = (uint32)VDRoundToIntFast(r0 * 1024.0f);
uint32 ir1 = (uint32)VDRoundToIntFast(r1 * 1024.0f);
uint32 ir2 = (uint32)VDRoundToIntFast(r2 * 1024.0f);
uint32 ib0 = (uint32)VDRoundToIntFast(b0 * 1024.0f);
uint32 ib1 = (uint32)VDRoundToIntFast(b1 * 1024.0f);
uint32 ib2 = (uint32)VDRoundToIntFast(b2 * 1024.0f);
uint32 ig0 = (uint32)VDRoundToIntFast(g0 * 1024.0f);
uint32 ig1 = (uint32)VDRoundToIntFast(g1 * 1024.0f);
uint32 ig2 = (uint32)VDRoundToIntFast(g2 * 1024.0f);
uint32 ig3 = (uint32)VDRoundToIntFast(g3 * 1024.0f);
uint32 ig4 = (uint32)VDRoundToIntFast(g4 * 1024.0f);
// dword 0: XX Cr0 Y0 Cb0
// dword 1: XX Y2 Cb1 Y1
// dword 2: XX Cb2 Y3 Cr1
// dword 3: XX Y5 Cr2 Y4
dst[0] = (ir0 << 20) + (ig0 << 10) + ib0;
dst[1] = (ig2 << 20) + (ib1 << 10) + ig1;
dst[2] = (ib2 << 20) + (ig3 << 10) + ir1;
dst[3] = (ir2 << 10) + ig4;
dst += 4;
}
// QuickTime defines the v210 format and requires zero padding in all unused samples.
int w48up = (mWidth + 23) / 24;
int w6up = (mWidth + 5) / 6;
int zeropad = w48up * 16 - w6up * 4;
memset(dst, 0, zeropad * 4);
}
///////////////////////////////////////////////////////////////////////////////
void VDPixmapGen_V210_To_32F::Start() {
StartWindow(((mWidth + 5) / 6) * 6 * sizeof(float), 3);
}
const void *VDPixmapGen_V210_To_32F::GetRow(sint32 y, uint32 index) {
return (const uint8 *)VDPixmapGenWindowBasedOneSource::GetRow(y, index) + mWindowPitch * index;
}
sint32 VDPixmapGen_V210_To_32F::GetWidth(int index) const {
return index == 1 ? mWidth : (mWidth + 1) >> 1;
}
uint32 VDPixmapGen_V210_To_32F::GetType(uint32 output) const {
return (mpSrc->GetType(mSrcIndex) & ~kVDPixType_Mask) | kVDPixType_32F_LE;
}
void VDPixmapGen_V210_To_32F::Compute(void *dst0, sint32 y) {
float *dstR = (float *)dst0;
float *dstG = (float *)((char *)dstR + mWindowPitch);
float *dstB = (float *)((char *)dstG + mWindowPitch);
const uint32 *src = (const uint32 *)mpSrc->GetRow(y, mSrcIndex);
uint32 w = (mWidth + 5) / 6;
VDCPUCleanupExtensions();
// dword 0: XX Cr0 Y0 Cb0
// dword 1: XX Y2 Cb1 Y1
// dword 2: XX Cb2 Y3 Cr1
// dword 3: XX Y5 Cr2 Y4
for(uint32 i=0; i<w; ++i) {
const uint32 w0 = src[0];
const uint32 w1 = src[1];
const uint32 w2 = src[2];
const uint32 w3 = src[3];
src += 4;
dstB[0] = (float)( w0 & 0x3ff) / 1023.0f;
dstG[0] = (float)((w0 >> 10) & 0x3ff) / 1023.0f;
dstR[0] = (float)((w0 >> 20) & 0x3ff) / 1023.0f;
dstG[1] = (float)( w1 & 0x3ff) / 1023.0f;
dstB[1] = (float)((w1 >> 10) & 0x3ff) / 1023.0f;
dstG[2] = (float)((w1 >> 20) & 0x3ff) / 1023.0f;
dstR[1] = (float)( w2 & 0x3ff) / 1023.0f;
dstG[3] = (float)((w2 >> 10) & 0x3ff) / 1023.0f;
dstB[2] = (float)((w2 >> 20) & 0x3ff) / 1023.0f;
dstG[4] = (float)( w3 & 0x3ff) / 1023.0f;
dstR[2] = (float)((w3 >> 10) & 0x3ff) / 1023.0f;
dstG[5] = (float)((w3 >> 20) & 0x3ff) / 1023.0f;
dstR += 3;
dstG += 6;
dstB += 3;
}
}
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