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0424e74a0e
golang-image/vp8/filter.go
Nigel Tao 0424e74a0e go.image/vp8: implement the normal filter. 
The testdata was generated via:
cwebp foo.png -o foo.lossy.webp
dwebp -pgm foo.lossy.webp -o tmp.pgm
convert tmp.pgm foo.lossy.webp.ycbcr.png
rm tmp.pgm

TBR=r
R=r
CC=golang-codereviews
https://golang.org/cl/107330043
2014-06-26 13:29:30 +10:00

659 lines
34 KiB
Go
Raw Blame History

// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package vp8
// filter2 modifies a 2-pixel wide or 2-pixel high band along an edge.
func filter2(pix []byte, level, index, iStep, jStep int) {
for n := 16; n > 0; n, index = n-1, index+iStep {
p1 := int(pix[index-2*jStep])
p0 := int(pix[index-1*jStep])
q0 := int(pix[index+0*jStep])
q1 := int(pix[index+1*jStep])
if int(lutAbs[lutAbsBase+p0-q0])<<1+int(lutAbs[lutAbsBase+p1-q1])>>1 > level {
continue
}
a := 3*(q0-p0) + int(lutClamp127[lutClamp127Base+p1-q1])
a1 := int(lutClamp15[lutClamp15Base+((a+4)>>3)])
a2 := int(lutClamp15[lutClamp15Base+((a+3)>>3)])
pix[index-1*jStep] = lutClamp255[lutClamp255Base+p0+a2]
pix[index+0*jStep] = lutClamp255[lutClamp255Base+q0-a1]
}
}
// filter246 modifies a 2-, 4- or 6-pixel wide or high band along an edge.
func filter246(pix []byte, n, level, ilevel, hlevel, index, iStep, jStep int, fourNotSix bool) {
for ; n > 0; n, index = n-1, index+iStep {
p3 := int(pix[index-4*jStep])
p2 := int(pix[index-3*jStep])
p1 := int(pix[index-2*jStep])
p0 := int(pix[index-1*jStep])
q0 := int(pix[index+0*jStep])
q1 := int(pix[index+1*jStep])
q2 := int(pix[index+2*jStep])
q3 := int(pix[index+3*jStep])
if int(lutAbs[lutAbsBase+p0-q0])<<1+int(lutAbs[lutAbsBase+p1-q1])>>1 > level {
continue
}
if int(lutAbs[lutAbsBase+p3-p2]) > ilevel ||
int(lutAbs[lutAbsBase+p2-p1]) > ilevel ||
int(lutAbs[lutAbsBase+p1-p0]) > ilevel ||
int(lutAbs[lutAbsBase+q1-q0]) > ilevel ||
int(lutAbs[lutAbsBase+q2-q1]) > ilevel ||
int(lutAbs[lutAbsBase+q3-q2]) > ilevel {
continue
}
if int(lutAbs[lutAbsBase+p1-p0]) > hlevel || int(lutAbs[lutAbsBase+q1-q0]) > hlevel {
// Filter 2 pixels.
a := 3*(q0-p0) + int(lutClamp127[lutClamp127Base+p1-q1])
a1 := int(lutClamp15[lutClamp15Base+((a+4)>>3)])
a2 := int(lutClamp15[lutClamp15Base+((a+3)>>3)])
pix[index-1*jStep] = lutClamp255[lutClamp255Base+p0+a2]
pix[index+0*jStep] = lutClamp255[lutClamp255Base+q0-a1]
} else if fourNotSix {
// Filter 4 pixels.
a := 3 * (q0 - p0)
a1 := int(lutClamp15[lutClamp15Base+((a+4)>>3)])
a2 := int(lutClamp15[lutClamp15Base+((a+3)>>3)])
a3 := (a1 + 1) >> 1
pix[index-2*jStep] = lutClamp255[lutClamp255Base+p1+a3]
pix[index-1*jStep] = lutClamp255[lutClamp255Base+p0+a2]
pix[index+0*jStep] = lutClamp255[lutClamp255Base+q0-a1]
pix[index+1*jStep] = lutClamp255[lutClamp255Base+q1-a3]
} else {
// Filter 6 pixels.
a := 3*(q0-p0) + int(lutClamp127[lutClamp127Base+p1-q1])
a = int(lutClamp127[lutClamp127Base+a])
a1 := (27*a + 63) >> 7
a2 := (18*a + 63) >> 7
a3 := (9*a + 63) >> 7
pix[index-3*jStep] = lutClamp255[lutClamp255Base+p2+a3]
pix[index-2*jStep] = lutClamp255[lutClamp255Base+p1+a2]
pix[index-1*jStep] = lutClamp255[lutClamp255Base+p0+a1]
pix[index+0*jStep] = lutClamp255[lutClamp255Base+q0-a1]
pix[index+1*jStep] = lutClamp255[lutClamp255Base+q1-a2]
pix[index+2*jStep] = lutClamp255[lutClamp255Base+q2-a3]
}
}
}
// simpleFilter implements the simple filter, as specified in section 15.2.
func (d *Decoder) simpleFilter() {
for mby := 0; mby < d.mbh; mby++ {
for mbx := 0; mbx < d.mbw; mbx++ {
f := d.perMBFilterParams[d.mbw*mby+mbx]
if f.level == 0 {
continue
}
l := int(f.level)
yIndex := (mby*d.img.YStride + mbx) * 16
if mbx > 0 {
filter2(d.img.Y, l+4, yIndex, d.img.YStride, 1)
}
if f.inner {
filter2(d.img.Y, l, yIndex+0x4, d.img.YStride, 1)
filter2(d.img.Y, l, yIndex+0x8, d.img.YStride, 1)
filter2(d.img.Y, l, yIndex+0xc, d.img.YStride, 1)
}
if mby > 0 {
filter2(d.img.Y, l+4, yIndex, 1, d.img.YStride)
}
if f.inner {
filter2(d.img.Y, l, yIndex+d.img.YStride*0x4, 1, d.img.YStride)
filter2(d.img.Y, l, yIndex+d.img.YStride*0x8, 1, d.img.YStride)
filter2(d.img.Y, l, yIndex+d.img.YStride*0xc, 1, d.img.YStride)
}
}
}
}
// normalFilter implements the normal filter, as specified in section 15.3.
func (d *Decoder) normalFilter() {
for mby := 0; mby < d.mbh; mby++ {
for mbx := 0; mbx < d.mbw; mbx++ {
f := d.perMBFilterParams[d.mbw*mby+mbx]
if f.level == 0 {
continue
}
l, il, hl := int(f.level), int(f.ilevel), int(f.hlevel)
yIndex := (mby*d.img.YStride + mbx) * 16
cIndex := (mby*d.img.CStride + mbx) * 8
if mbx > 0 {
filter246(d.img.Y, 16, l+4, il, hl, yIndex, d.img.YStride, 1, false)
filter246(d.img.Cb, 8, l+4, il, hl, cIndex, d.img.CStride, 1, false)
filter246(d.img.Cr, 8, l+4, il, hl, cIndex, d.img.CStride, 1, false)
}
if f.inner {
filter246(d.img.Y, 16, l, il, hl, yIndex+0x4, d.img.YStride, 1, true)
filter246(d.img.Y, 16, l, il, hl, yIndex+0x8, d.img.YStride, 1, true)
filter246(d.img.Y, 16, l, il, hl, yIndex+0xc, d.img.YStride, 1, true)
filter246(d.img.Cb, 8, l, il, hl, cIndex+0x4, d.img.CStride, 1, true)
filter246(d.img.Cr, 8, l, il, hl, cIndex+0x4, d.img.CStride, 1, true)
}
if mby > 0 {
filter246(d.img.Y, 16, l+4, il, hl, yIndex, 1, d.img.YStride, false)
filter246(d.img.Cb, 8, l+4, il, hl, cIndex, 1, d.img.CStride, false)
filter246(d.img.Cr, 8, l+4, il, hl, cIndex, 1, d.img.CStride, false)
}
if f.inner {
filter246(d.img.Y, 16, l, il, hl, yIndex+d.img.YStride*0x4, 1, d.img.YStride, true)
filter246(d.img.Y, 16, l, il, hl, yIndex+d.img.YStride*0x8, 1, d.img.YStride, true)
filter246(d.img.Y, 16, l, il, hl, yIndex+d.img.YStride*0xc, 1, d.img.YStride, true)
filter246(d.img.Cb, 8, l, il, hl, cIndex+d.img.CStride*0x4, 1, d.img.CStride, true)
filter246(d.img.Cr, 8, l, il, hl, cIndex+d.img.CStride*0x4, 1, d.img.CStride, true)
}
}
}
}
// filterParam holds the loop filter parameters for a macroblock.
type filterParam struct {
// The first three fields are thresholds used by the loop filter to smooth
// over the edges and interior of a macroblock. level is used by both the
// simple and normal filters. The inner level and high edge variance level
// are only used by the normal filter.
level, ilevel, hlevel uint8
// inner is whether the inner loop filter cannot be optimized out as a
// no-op for this particular macroblock.
inner bool
}
// computeFilterParams computes the loop filter parameters, as specified in
// section 15.4.
func (d *Decoder) computeFilterParams() {
for i := range d.filterParams {
baseLevel := d.filterHeader.level
if d.segmentHeader.useSegment {
baseLevel = d.segmentHeader.filterStrength[i]
if d.segmentHeader.relativeDelta {
baseLevel += d.filterHeader.level
}
}
for j := range d.filterParams[i] {
p := &d.filterParams[i][j]
p.inner = j != 0
level := baseLevel
if d.filterHeader.useLFDelta {
// The libwebp C code has a "TODO: only CURRENT is handled for now."
level += d.filterHeader.refLFDelta[0]
if j != 0 {
level += d.filterHeader.modeLFDelta[0]
}
}
if level <= 0 {
p.level = 0
continue
}
if level > 63 {
level = 63
}
ilevel := level
if d.filterHeader.sharpness > 0 {
if d.filterHeader.sharpness > 4 {
ilevel >>= 2
} else {
ilevel >>= 1
}
if x := int8(9 - d.filterHeader.sharpness); ilevel > x {
ilevel = x
}
}
if ilevel < 1 {
ilevel = 1
}
p.ilevel = uint8(ilevel)
p.level = uint8(2*level + ilevel)
if d.frameHeader.KeyFrame {
if level < 15 {
p.hlevel = 0
} else if level < 40 {
p.hlevel = 1
} else {
p.hlevel = 2
}
} else {
if level < 15 {
p.hlevel = 0
} else if level < 20 {
p.hlevel = 1
} else if level < 40 {
p.hlevel = 2
} else {
p.hlevel = 3
}
}
}
}
}
// Look-up tables.
//
// TODO(nigeltao): are these actually worth it in Go, as opposed to C,
// due to the bounds checking?
const lutAbsBase = 255
// lutAbs[lutAbsBase+x] is equal to abs(x), for x in [-255, 255].
var lutAbs = [255 + 1 + 255]uint8{
0xff, 0xfe, 0xfd, 0xfc, 0xfb, 0xfa, 0xf9, 0xf8, 0xf7, 0xf6, 0xf5, 0xf4, 0xf3, 0xf2, 0xf1, 0xf0,
0xef, 0xee, 0xed, 0xec, 0xeb, 0xea, 0xe9, 0xe8, 0xe7, 0xe6, 0xe5, 0xe4, 0xe3, 0xe2, 0xe1, 0xe0,
0xdf, 0xde, 0xdd, 0xdc, 0xdb, 0xda, 0xd9, 0xd8, 0xd7, 0xd6, 0xd5, 0xd4, 0xd3, 0xd2, 0xd1, 0xd0,
0xcf, 0xce, 0xcd, 0xcc, 0xcb, 0xca, 0xc9, 0xc8, 0xc7, 0xc6, 0xc5, 0xc4, 0xc3, 0xc2, 0xc1, 0xc0,
0xbf, 0xbe, 0xbd, 0xbc, 0xbb, 0xba, 0xb9, 0xb8, 0xb7, 0xb6, 0xb5, 0xb4, 0xb3, 0xb2, 0xb1, 0xb0,
0xaf, 0xae, 0xad, 0xac, 0xab, 0xaa, 0xa9, 0xa8, 0xa7, 0xa6, 0xa5, 0xa4, 0xa3, 0xa2, 0xa1, 0xa0,
0x9f, 0x9e, 0x9d, 0x9c, 0x9b, 0x9a, 0x99, 0x98, 0x97, 0x96, 0x95, 0x94, 0x93, 0x92, 0x91, 0x90,
0x8f, 0x8e, 0x8d, 0x8c, 0x8b, 0x8a, 0x89, 0x88, 0x87, 0x86, 0x85, 0x84, 0x83, 0x82, 0x81, 0x80,
0x7f, 0x7e, 0x7d, 0x7c, 0x7b, 0x7a, 0x79, 0x78, 0x77, 0x76, 0x75, 0x74, 0x73, 0x72, 0x71, 0x70,
0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x69, 0x68, 0x67, 0x66, 0x65, 0x64, 0x63, 0x62, 0x61, 0x60,
0x5f, 0x5e, 0x5d, 0x5c, 0x5b, 0x5a, 0x59, 0x58, 0x57, 0x56, 0x55, 0x54, 0x53, 0x52, 0x51, 0x50,
0x4f, 0x4e, 0x4d, 0x4c, 0x4b, 0x4a, 0x49, 0x48, 0x47, 0x46, 0x45, 0x44, 0x43, 0x42, 0x41, 0x40,
0x3f, 0x3e, 0x3d, 0x3c, 0x3b, 0x3a, 0x39, 0x38, 0x37, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x30,
0x2f, 0x2e, 0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0x21, 0x20,
0x1f, 0x1e, 0x1d, 0x1c, 0x1b, 0x1a, 0x19, 0x18, 0x17, 0x16, 0x15, 0x14, 0x13, 0x12, 0x11, 0x10,
0x0f, 0x0e, 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x05, 0x04, 0x03, 0x02, 0x01, 0x00,
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30,
0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40,
0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50,
0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60,
0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70,
0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80,
0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90,
0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0,
0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0,
0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0,
0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0,
0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0,
0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0,
0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
}
const lutClamp15Base = 255
// lutClamp15[lutClamp15Base+x] is equal to clamp(x, -16, +15), for x in [-255, 255].
var lutClamp15 = [255 + 1 + 255]int8{
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10, -0x10,
-0x0f, -0x0e, -0x0d, -0x0c, -0x0b, -0x0a, -0x09, -0x08,
-0x07, -0x06, -0x05, -0x04, -0x03, -0x02, -0x01, +0x00,
+0x01, +0x02, +0x03, +0x04, +0x05, +0x06, +0x07, +0x08,
+0x09, +0x0a, +0x0b, +0x0c, +0x0d, +0x0e, +0x0f, +0x0f,
+0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f,
+0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f,
+0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f,
+0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f,
+0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f,
+0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f,
+0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f,
+0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f,
+0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f,
+0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f,
+0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f,
+0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f,
+0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f,
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+0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f, +0x0f,
}
const lutClamp127Base = 1020
// lutClamp127[lutClamp127Base+x] is equal to clamp(x, -128, +127), for x in [-1020, 1020].
var lutClamp127 = [1020 + 1 + 1020]int8{
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+0x7f,
}
const lutClamp255Base = 255
// lutClamp255[lutClamp255Base+x] is equal to clamp(x, 0, 255), for x in [-255, 510].
var lutClamp255 = [255 + 1 + 510]uint8{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30,
0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40,
0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50,
0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60,
0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70,
0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80,
0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90,
0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0,
0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0,
0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0,
0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0,
0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0,
0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0,
0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
}
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