436 lines
11 KiB
C++
436 lines
11 KiB
C++
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///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2004-2012, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Industrial Light & Magic nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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#include "compareB44.h"
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#include <ImfOutputFile.h>
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#include <ImfInputFile.h>
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#include <ImfChannelList.h>
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#include <ImfArray.h>
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#include <ImathRandom.h>
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#include <half.h>
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#include "compareFloat.h"
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#include <stdio.h>
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#include <assert.h>
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namespace IMF = OPENEXR_IMF_NAMESPACE;
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using namespace IMF;
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using namespace std;
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using namespace IMATH_NAMESPACE;
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namespace {
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void
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fillPixels1 (Array2D<unsigned int> &pi,
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Array2D<half> &ph,
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Array2D<float> &pf,
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int width,
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int height)
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{
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cout << "only zeroes" << endl;
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for (int y = 0; y < height; ++y)
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for (int x = 0; x < width; ++x)
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{
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pi[y][x] = 0;
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ph[y][x] = 0;
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pf[y][x] = 0;
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}
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}
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void
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fillPixels2 (Array2D<unsigned int> &pi,
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Array2D<half> &ph,
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Array2D<float> &pf,
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int width,
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int height)
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{
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cout << "pattern 1" << endl;
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for (int y = 0; y < height; ++y)
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for (int x = 0; x < width; ++x)
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{
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pi[y][x] = (x + y) & 1;
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ph[y][x] = pi[y][x];
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pf[y][x] = pi[y][x];
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}
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}
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void
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fillPixels3 (Array2D<unsigned int> &pi,
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Array2D<half> &ph,
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Array2D<float> &pf,
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int width,
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int height)
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{
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cout << "pattern 2" << endl;
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for (int y = 0; y < height; ++y)
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for (int x = 0; x < width; ++x)
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{
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pi[y][x] = x % 100 + 100 * (y % 100);
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ph[y][x] = sin (double (x)) + sin (y * 0.5);
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pf[y][x] = sin (double (y)) + sin (x * 0.5);
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}
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}
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void
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fillPixels4 (Array2D<unsigned int> &pi,
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Array2D<half> &ph,
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Array2D<float> &pf,
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int width,
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int height)
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{
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cout << "random bits" << endl;
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//
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// Use of a union to extract the bit pattern from a float, as is
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// done below, works only if int and float have the same size.
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//
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assert (sizeof (int) == sizeof (float));
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Rand48 rand;
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for (int y = 0; y < height; ++y)
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for (int x = 0; x < width; ++x)
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{
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pi[y][x] = rand.nexti();
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ph[y][x].setBits (rand.nexti());
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union {int i; float f;} u;
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u.i = rand.nexti();
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pf[y][x] = u.f;
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}
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}
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void
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writeRead (const Array2D<unsigned int> &pi1,
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const Array2D<half> &ph1,
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const Array2D<float> &pf1,
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const char fileName[],
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int width,
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int height,
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int xOffset,
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int yOffset,
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Compression comp,
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int xs,
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int ys)
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{
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//
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// Write the pixel data in pi1, ph1 and ph2 to an
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// image file using the specified compression type
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// and subsampling rates. Read the pixel data back
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// from the file and verify that the data did not
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// change.
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//
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cout << "compression " << comp <<
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", x sampling " << xs <<
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", y sampling " << ys <<
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":" << flush;
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Header hdr ((Box2i (V2i (0, 0), // display window
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V2i (width - 1, height -1))),
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(Box2i (V2i (xOffset, yOffset), // data window
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V2i (xOffset + width - 1, yOffset + height - 1))));
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hdr.compression() = comp;
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hdr.channels().insert ("I", // name
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Channel (IMF::UINT, // type
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xs, // xSampling
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ys) // ySampling
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);
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hdr.channels().insert ("H", // name
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Channel (IMF::HALF, // type
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xs, // xSampling
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ys) // ySampling
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);
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hdr.channels().insert ("F", // name
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Channel (IMF::FLOAT, // type
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xs, // xSampling
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ys) // ySampling
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);
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{
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FrameBuffer fb;
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fb.insert ("I", // name
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Slice (IMF::UINT, // type
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(char *) &pi1[-yOffset / ys][-xOffset / xs], // base
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sizeof (pi1[0][0]), // xStride
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sizeof (pi1[0][0]) * (width / xs), // yStride
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xs, // xSampling
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ys) // ySampling
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);
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fb.insert ("H", // name
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Slice (IMF::HALF, // type
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(char *) &ph1[-yOffset / ys][-xOffset / xs], // base
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sizeof (ph1[0][0]), // xStride
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sizeof (ph1[0][0]) * (width / xs), // yStride
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xs, // xSampling
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ys) // ySampling
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);
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fb.insert ("F", // name
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Slice (IMF::FLOAT, // type
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(char *) &pf1[-yOffset / ys][-xOffset / xs], // base
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sizeof (pf1[0][0]), // xStride
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sizeof (pf1[0][0]) * (width / xs), // yStride
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xs, // xSampling
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ys) // ySampling
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);
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cout << " writing" << flush;
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remove (fileName);
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OutputFile out (fileName, hdr);
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out.setFrameBuffer (fb);
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out.writePixels (height);
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}
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{
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cout << " reading" << flush;
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InputFile in (fileName);
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const Box2i &dw = in.header().dataWindow();
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int w = dw.max.x - dw.min.x + 1;
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int h = dw.max.y - dw.min.y + 1;
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int dx = dw.min.x;
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int dy = dw.min.y;
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Array2D<unsigned int> pi2 (h / ys, w / xs);
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Array2D<half> ph2 (h / ys, w / xs);
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Array2D<float> pf2 (h / ys, w / xs);
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FrameBuffer fb;
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{
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int xs = in.header().channels()["I"].xSampling;
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int ys = in.header().channels()["I"].ySampling;
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fb.insert ("I", // name
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Slice (IMF::UINT, // type
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(char *) &pi2[-dy / ys][-dx / xs], // base
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sizeof (pi2[0][0]), // xStride
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sizeof (pi2[0][0]) * (w / xs), // yStride
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xs, // xSampling
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ys) // ySampling
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);
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}
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{
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int xs = in.header().channels()["H"].xSampling;
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int ys = in.header().channels()["H"].ySampling;
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fb.insert ("H", // name
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Slice (IMF::HALF, // type
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(char *) &ph2[-dy / ys][-dx / xs], // base
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sizeof (ph2[0][0]), // xStride
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sizeof (ph2[0][0]) * (w / xs), // yStride
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xs, // xSampling
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ys) // ySampling
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);
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}
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{
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int xs = in.header().channels()["F"].xSampling;
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int ys = in.header().channels()["F"].ySampling;
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fb.insert ("F", // name
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Slice (IMF::FLOAT, // type
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(char *) &pf2[-dy / ys][-dx / xs], // base
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sizeof (pf2[0][0]), // xStride
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sizeof (pf2[0][0]) * (w / xs), // yStride
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xs, // xSampling
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ys) // ySampling
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);
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}
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in.setFrameBuffer (fb);
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in.readPixels (dw.min.y, dw.max.y);
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cout << " comparing" << flush;
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assert (in.header().displayWindow() == hdr.displayWindow());
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assert (in.header().dataWindow() == hdr.dataWindow());
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assert (in.header().pixelAspectRatio() == hdr.pixelAspectRatio());
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assert (in.header().screenWindowCenter() == hdr.screenWindowCenter());
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assert (in.header().screenWindowWidth() == hdr.screenWindowWidth());
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assert (in.header().lineOrder() == hdr.lineOrder());
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assert (in.header().compression() == hdr.compression());
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ChannelList::ConstIterator hi = hdr.channels().begin();
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ChannelList::ConstIterator ii = in.header().channels().begin();
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while (hi != hdr.channels().end())
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{
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assert (!strcmp (hi.name(), ii.name()));
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assert (hi.channel().type == ii.channel().type);
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assert (hi.channel().xSampling == ii.channel().xSampling);
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assert (hi.channel().ySampling == ii.channel().ySampling);
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++hi;
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++ii;
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}
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assert (ii == in.header().channels().end());
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for (int y = 0; y < h / ys; ++y)
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{
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for (int x = 0; x < w / xs; ++x)
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{
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assert (pi1[y][x] == pi2[y][x]);
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assert (equivalent (pf1[y][x], pf2[y][x], comp));
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if (comp != B44_COMPRESSION &&
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comp != B44A_COMPRESSION)
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{
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assert (ph1[y][x].bits() == ph2[y][x].bits());
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}
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}
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}
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if (comp == B44_COMPRESSION ||
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comp == B44A_COMPRESSION)
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{
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Array2D<half> ph3 (h / ys, w / xs);
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for (int y = 0; y < h / ys; ++y)
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for (int x = 0; x < w / xs; ++x)
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ph3[y][x] = ph1[y][x];
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compareB44 (w / xs, h / ys, ph3, ph2);
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}
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}
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remove (fileName);
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cout << endl;
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}
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void
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writeRead (const std::string &tempDir,
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const Array2D<unsigned int> &pi,
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const Array2D<half> &ph,
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const Array2D<float> &pf,
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int w,
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int h,
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int dx,
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int dy)
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{
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std::string filename = tempDir + "imf_test_comp.exr";
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for (int xs = 1; xs <= 2; ++xs)
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{
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for (int ys = 1; ys <= 2; ++ys)
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{
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for (int comp = 0; comp < NUM_COMPRESSION_METHODS; ++comp)
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{
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writeRead (pi, ph, pf,
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filename.c_str(),
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w * xs, h * ys,
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dx * xs, dy * ys,
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Compression (comp),
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xs, ys);
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}
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}
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}
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}
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} // namespace
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void
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testCompression (const std::string &tempDir)
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{
|
||
|
|
try
|
||
|
|
{
|
||
|
|
cout << "Testing pixel data types, "
|
||
|
|
"subsampling and "
|
||
|
|
"compression schemes" << endl;
|
||
|
|
|
||
|
|
const int W = 1371;
|
||
|
|
const int H = 159;
|
||
|
|
const int DX = 17;
|
||
|
|
const int DY = 29;
|
||
|
|
|
||
|
|
Array2D<unsigned int> pi (H, W);
|
||
|
|
Array2D<half> ph (H, W);
|
||
|
|
Array2D<float> pf (H, W);
|
||
|
|
|
||
|
|
//
|
||
|
|
// If the following assertion fails, new pixel types have
|
||
|
|
// been added to the Imf library; testing code for the new
|
||
|
|
// pixel types should be added to this file.
|
||
|
|
//
|
||
|
|
|
||
|
|
assert (NUM_PIXELTYPES == 3);
|
||
|
|
|
||
|
|
fillPixels1 (pi, ph, pf, W, H);
|
||
|
|
writeRead (tempDir, pi, ph, pf, W, H, DX, DY);
|
||
|
|
|
||
|
|
fillPixels2 (pi, ph, pf, W, H);
|
||
|
|
writeRead (tempDir, pi, ph, pf, W, H, DX, DY);
|
||
|
|
|
||
|
|
fillPixels3 (pi, ph, pf, W, H);
|
||
|
|
writeRead (tempDir, pi, ph, pf, W, H, DX, DY);
|
||
|
|
|
||
|
|
fillPixels4 (pi, ph, pf, W, H);
|
||
|
|
writeRead (tempDir, pi, ph, pf, W, H, DX, DY);
|
||
|
|
|
||
|
|
cout << "ok\n" << endl;
|
||
|
|
}
|
||
|
|
catch (const std::exception &e)
|
||
|
|
{
|
||
|
|
cerr << "ERROR -- caught exception: " << e.what() << endl;
|
||
|
|
assert (false);
|
||
|
|
}
|
||
|
|
}
|