mirror of
https://github.com/etlegacy/EasyGen.git
synced 2024-11-10 06:42:16 +00:00
289 lines
6.6 KiB
C++
289 lines
6.6 KiB
C++
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (c) 2002, Industrial Light & Magic, a division of Lucas
|
|
// Digital Ltd. LLC
|
|
//
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following disclaimer
|
|
// in the documentation and/or other materials provided with the
|
|
// distribution.
|
|
// * Neither the name of Industrial Light & Magic nor the names of
|
|
// its contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
#include <ImfWav.h>
|
|
#include "ImathRandom.h"
|
|
#include <ImfArray.h>
|
|
#include <iostream>
|
|
#include <exception>
|
|
#include <stdlib.h>
|
|
#include <assert.h>
|
|
|
|
|
|
using namespace OPENEXR_IMF_NAMESPACE;
|
|
using namespace std;
|
|
|
|
|
|
namespace {
|
|
|
|
|
|
void
|
|
fill1_14bit (Array2D <unsigned short> &a,
|
|
Array2D <unsigned short> &b,
|
|
int nx,
|
|
int ny,
|
|
IMATH_NAMESPACE::Rand48 & rand48)
|
|
{
|
|
for (int y = 0; y < ny; ++y)
|
|
for (int x = 0; x < nx; ++x)
|
|
a[y][x] = b[y][x] = rand48.nexti() & 0x3fff;
|
|
}
|
|
|
|
|
|
void
|
|
fill1_16bit (Array2D <unsigned short> &a,
|
|
Array2D <unsigned short> &b,
|
|
int nx,
|
|
int ny,
|
|
IMATH_NAMESPACE::Rand48 & rand48)
|
|
{
|
|
for (int y = 0; y < ny; ++y)
|
|
for (int x = 0; x < nx; ++x)
|
|
a[y][x] = b[y][x] = rand48.nexti() & 0xffff;
|
|
}
|
|
|
|
|
|
void
|
|
fill2 (Array2D <unsigned short> &a,
|
|
Array2D <unsigned short> &b,
|
|
int nx,
|
|
int ny,
|
|
unsigned short v)
|
|
{
|
|
for (int y = 0; y < ny; ++y)
|
|
for (int x = 0; x < nx; ++x)
|
|
a[y][x] = b[y][x] = v;
|
|
}
|
|
|
|
|
|
void
|
|
fill3_14bit (Array2D <unsigned short> &a,
|
|
Array2D <unsigned short> &b,
|
|
int nx,
|
|
int ny)
|
|
{
|
|
for (int y = 0; y < ny; ++y)
|
|
for (int x = 0; x < nx; ++x)
|
|
a[y][x] = b[y][x] = (x & 1)? 0: 0x3fff;
|
|
}
|
|
|
|
|
|
void
|
|
fill3_16bit (Array2D <unsigned short> &a,
|
|
Array2D <unsigned short> &b,
|
|
int nx,
|
|
int ny)
|
|
{
|
|
for (int y = 0; y < ny; ++y)
|
|
for (int x = 0; x < nx; ++x)
|
|
a[y][x] = b[y][x] = (x & 1)? 0: 0xffff;
|
|
}
|
|
|
|
|
|
void
|
|
fill4_14bit (Array2D <unsigned short> &a,
|
|
Array2D <unsigned short> &b,
|
|
int nx,
|
|
int ny)
|
|
{
|
|
for (int y = 0; y < ny; ++y)
|
|
for (int x = 0; x < nx; ++x)
|
|
a[y][x] = b[y][x] = (y & 1)? 0: 0x3fff;
|
|
}
|
|
|
|
|
|
void
|
|
fill4_16bit (Array2D <unsigned short> &a,
|
|
Array2D <unsigned short> &b,
|
|
int nx,
|
|
int ny)
|
|
{
|
|
for (int y = 0; y < ny; ++y)
|
|
for (int x = 0; x < nx; ++x)
|
|
a[y][x] = b[y][x] = (y & 1)? 0: 0xffff;
|
|
}
|
|
|
|
|
|
void
|
|
fill5_14bit (Array2D <unsigned short> &a,
|
|
Array2D <unsigned short> &b,
|
|
int nx,
|
|
int ny)
|
|
{
|
|
for (int y = 0; y < ny; ++y)
|
|
for (int x = 0; x < nx; ++x)
|
|
a[y][x] = b[y][x] = ((x + y) & 1)? 0: 0x3fff;
|
|
}
|
|
|
|
|
|
void
|
|
fill5_16bit (Array2D <unsigned short> &a,
|
|
Array2D <unsigned short> &b,
|
|
int nx,
|
|
int ny)
|
|
{
|
|
for (int y = 0; y < ny; ++y)
|
|
for (int x = 0; x < nx; ++x)
|
|
a[y][x] = b[y][x] = ((x + y) & 1)? 0: 0xffff;
|
|
}
|
|
|
|
|
|
unsigned short
|
|
maxValue (const Array2D <unsigned short> &a, int nx, int ny)
|
|
{
|
|
unsigned short mx = 0;
|
|
|
|
for (int y = 0; y < ny; ++y)
|
|
for (int x = 0; x < nx; ++x)
|
|
if (mx < a[y][x])
|
|
mx = a[y][x];
|
|
|
|
// cout << "max value = " << mx << endl;
|
|
|
|
return mx;
|
|
}
|
|
|
|
|
|
void
|
|
wavEncodeDecode (Array2D <unsigned short> &a,
|
|
const Array2D <unsigned short> &b,
|
|
int nx,
|
|
int ny)
|
|
{
|
|
unsigned short mx = maxValue (a, nx, ny);
|
|
|
|
//cout << "encoding " << flush;
|
|
|
|
wav2Encode (&a[0][0], nx, 1, ny, nx, mx);
|
|
|
|
//cout << "decoding " << flush;
|
|
|
|
wav2Decode (&a[0][0], nx, 1, ny, nx, mx);
|
|
|
|
//cout << "comparing" << endl;
|
|
|
|
for (int y = 0; y < ny; ++y)
|
|
{
|
|
for (int x = 0; x < nx; ++x)
|
|
{
|
|
//cout << x << ' ' << y << ' ' << a[y][x] << ' ' << b[y][x] << endl;
|
|
assert (a[y][x] == b[y][x]);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
test (int nx, int ny)
|
|
{
|
|
cout << nx << " x " << ny << endl;
|
|
|
|
Array2D<unsigned short> a (ny, nx);
|
|
Array2D<unsigned short> b (ny, nx);
|
|
|
|
IMATH_NAMESPACE::Rand48 rand48 (0);
|
|
|
|
fill1_14bit (a, b, nx, ny, rand48);
|
|
wavEncodeDecode (a, b, nx, ny);
|
|
|
|
fill1_16bit (a, b, nx, ny, rand48);
|
|
wavEncodeDecode (a, b, nx, ny);
|
|
|
|
fill2 (a, b, nx, ny, 0);
|
|
wavEncodeDecode (a, b, nx, ny);
|
|
|
|
fill2 (a, b, nx, ny, 1);
|
|
wavEncodeDecode (a, b, nx, ny);
|
|
|
|
fill2 (a, b, nx, ny, 0x3ffe);
|
|
wavEncodeDecode (a, b, nx, ny);
|
|
|
|
fill2 (a, b, nx, ny, 0x3fff);
|
|
wavEncodeDecode (a, b, nx, ny);
|
|
|
|
fill2 (a, b, nx, ny, 0xfffe);
|
|
wavEncodeDecode (a, b, nx, ny);
|
|
|
|
fill2 (a, b, nx, ny, 0xffff);
|
|
wavEncodeDecode (a, b, nx, ny);
|
|
|
|
fill3_14bit (a, b, nx, ny);
|
|
wavEncodeDecode (a, b, nx, ny);
|
|
|
|
fill3_16bit (a, b, nx, ny);
|
|
wavEncodeDecode (a, b, nx, ny);
|
|
|
|
fill4_14bit (a, b, nx, ny);
|
|
wavEncodeDecode (a, b, nx, ny);
|
|
|
|
fill4_16bit (a, b, nx, ny);
|
|
wavEncodeDecode (a, b, nx, ny);
|
|
|
|
fill5_14bit (a, b, nx, ny);
|
|
wavEncodeDecode (a, b, nx, ny);
|
|
|
|
fill5_16bit (a, b, nx, ny);
|
|
wavEncodeDecode (a, b, nx, ny);
|
|
}
|
|
|
|
} // namespace
|
|
|
|
|
|
void
|
|
testWav ()
|
|
{
|
|
try
|
|
{
|
|
cout << "Testing Wavelet encoder" << endl;
|
|
|
|
test (1, 1);
|
|
test (2, 2);
|
|
test (32, 32);
|
|
test (1024, 16);
|
|
test (16, 1024);
|
|
test (997, 37);
|
|
test (37, 997);
|
|
test (1024, 1024);
|
|
test (997, 997);
|
|
|
|
cout << "ok\n" << endl;
|
|
}
|
|
catch (const std::exception &e)
|
|
{
|
|
cerr << "ERROR -- caught exception: " << e.what() << endl;
|
|
assert (false);
|
|
}
|
|
}
|