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/*
* Copyright (C)2011 D. R. Commander. 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 the libjpeg-turbo Project 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 HOLDERS 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.
*/
/*
* This program tests the various code paths in the TurboJPEG JNI Wrapper
*/
import java.io.*;
import java.util.*;
import java.awt.image.*;
import javax.imageio.*;
import java.nio.*;
import org.libjpegturbo.turbojpeg.*;
public class TJUnitTest {
private static final String classname =
new TJUnitTest().getClass().getName();
private static void usage() {
System.out.println("\nUSAGE: java " + classname + " [options]\n");
System.out.println("Options:\n");
System.out.println("-yuv = test YUV encoding/decoding support\n");
System.out.println("-bi = test BufferedImage support\n");
System.exit(1);
}
private final static String subNameLong[] = {
"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0"
};
private final static String subName[] = {
"444", "422", "420", "GRAY", "440"
};
private final static String pixFormatStr[] = {
"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "Grayscale",
"RGBA", "BGRA", "ABGR", "ARGB"
};
private final static int alphaOffset[] = {
-1, -1, -1, -1, -1, -1, -1, 3, 3, 0, 0
};
private final static int _3byteFormats[] = {
TJ.PF_RGB, TJ.PF_BGR
};
private final static int _3byteFormatsBI[] = {
BufferedImage.TYPE_3BYTE_BGR
};
private final static int _4byteFormats[] = {
TJ.PF_RGBX, TJ.PF_BGRX, TJ.PF_XBGR, TJ.PF_XRGB
};
private final static int _4byteFormatsBI[] = {
BufferedImage.TYPE_INT_BGR, BufferedImage.TYPE_INT_RGB,
BufferedImage.TYPE_4BYTE_ABGR, BufferedImage.TYPE_4BYTE_ABGR_PRE,
BufferedImage.TYPE_INT_ARGB, BufferedImage.TYPE_INT_ARGB_PRE
};
private final static int onlyGray[] = {
TJ.PF_GRAY
};
private final static int onlyGrayBI[] = {
BufferedImage.TYPE_BYTE_GRAY
};
private final static int onlyRGB[] = {
TJ.PF_RGB
};
private final static int YUVENCODE = 1;
private final static int YUVDECODE = 2;
private static int yuv = 0;
private static boolean bi = false;
private static int exitStatus = 0;
private static int biTypePF(int biType) {
ByteOrder byteOrder = ByteOrder.nativeOrder();
switch(biType) {
case BufferedImage.TYPE_3BYTE_BGR:
return TJ.PF_BGR;
case BufferedImage.TYPE_4BYTE_ABGR:
case BufferedImage.TYPE_4BYTE_ABGR_PRE:
return TJ.PF_XBGR;
case BufferedImage.TYPE_BYTE_GRAY:
return TJ.PF_GRAY;
case BufferedImage.TYPE_INT_BGR:
if(byteOrder == ByteOrder.BIG_ENDIAN)
return TJ.PF_XBGR;
else
return TJ.PF_RGBX;
case BufferedImage.TYPE_INT_RGB:
if(byteOrder == ByteOrder.BIG_ENDIAN)
return TJ.PF_XRGB;
else
return TJ.PF_BGRX;
case BufferedImage.TYPE_INT_ARGB:
case BufferedImage.TYPE_INT_ARGB_PRE:
if(byteOrder == ByteOrder.BIG_ENDIAN)
return TJ.PF_ARGB;
else
return TJ.PF_BGRA;
}
return 0;
}
private static String biTypeStr(int biType) {
switch(biType) {
case BufferedImage.TYPE_3BYTE_BGR:
return "3BYTE_BGR";
case BufferedImage.TYPE_4BYTE_ABGR:
return "4BYTE_ABGR";
case BufferedImage.TYPE_4BYTE_ABGR_PRE:
return "4BYTE_ABGR_PRE";
case BufferedImage.TYPE_BYTE_GRAY:
return "BYTE_GRAY";
case BufferedImage.TYPE_INT_BGR:
return "INT_BGR";
case BufferedImage.TYPE_INT_RGB:
return "INT_RGB";
case BufferedImage.TYPE_INT_ARGB:
return "INT_ARGB";
case BufferedImage.TYPE_INT_ARGB_PRE:
return "INT_ARGB_PRE";
}
return "Unknown";
}
private static double getTime() {
return (double)System.nanoTime() / 1.0e9;
}
private static void initBuf(byte[] buf, int w, int pitch, int h, int pf,
int flags) throws Exception {
int roffset = TJ.getRedOffset(pf);
int goffset = TJ.getGreenOffset(pf);
int boffset = TJ.getBlueOffset(pf);
int aoffset = alphaOffset[pf];
int ps = TJ.getPixelSize(pf);
int index, row, col, halfway = 16;
Arrays.fill(buf, (byte)0);
if(pf == TJ.PF_GRAY) {
for(row = 0; row < h; row++) {
for(col = 0; col < w; col++) {
if((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col;
else index = pitch * row + col;
if(((row / 8) + (col / 8)) % 2 == 0)
buf[index] = (row < halfway) ? (byte)255 : 0;
else buf[index] = (row < halfway) ? 76 : (byte)226;
}
}
return;
}
for(row = 0; row < h; row++) {
for(col = 0; col < w; col++) {
if((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col * ps;
else index = pitch * row + col * ps;
if(((row / 8) + (col / 8)) % 2 == 0) {
if(row < halfway) {
buf[index + roffset] = (byte)255;
buf[index + goffset] = (byte)255;
buf[index + boffset] = (byte)255;
}
}
else {
buf[index + roffset] = (byte)255;
if(row >= halfway) buf[index + goffset] = (byte)255;
}
if (aoffset >= 0) buf[index + aoffset] = (byte)255;
}
}
}
private static void initIntBuf(int[] buf, int w, int pitch, int h, int pf,
int flags) throws Exception {
int rshift = TJ.getRedOffset(pf) * 8;
int gshift = TJ.getGreenOffset(pf) * 8;
int bshift = TJ.getBlueOffset(pf) * 8;
int ashift = alphaOffset[pf] * 8;
int index, row, col, halfway = 16;
Arrays.fill(buf, 0);
for(row = 0; row < h; row++) {
for(col = 0; col < w; col++) {
if((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col;
else index = pitch * row + col;
if(((row / 8) + (col / 8)) % 2 == 0) {
if(row < halfway) {
buf[index] |= (255 << rshift);
buf[index] |= (255 << gshift);
buf[index] |= (255 << bshift);
}
}
else {
buf[index] |= (255 << rshift);
if(row >= halfway) buf[index] |= (255 << gshift);
}
if (ashift >= 0) buf[index] |= (255 << ashift);
}
}
}
private static void initImg(BufferedImage img, int pf, int flags)
throws Exception {
WritableRaster wr = img.getRaster();
int imgType = img.getType();
if(imgType == BufferedImage.TYPE_INT_RGB
|| imgType == BufferedImage.TYPE_INT_BGR
|| imgType == BufferedImage.TYPE_INT_ARGB
|| imgType == BufferedImage.TYPE_INT_ARGB_PRE) {
SinglePixelPackedSampleModel sm =
(SinglePixelPackedSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
DataBufferInt db = (DataBufferInt)wr.getDataBuffer();
int[] buf = db.getData();
initIntBuf(buf, img.getWidth(), pitch, img.getHeight(), pf, flags);
}
else {
ComponentSampleModel sm = (ComponentSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
byte[] buf = db.getData();
initBuf(buf, img.getWidth(), pitch, img.getHeight(), pf, flags);
}
}
private static void checkVal(int row, int col, int v, String vname, int cv)
throws Exception {
v = (v < 0) ? v + 256 : v;
if(v < cv - 1 || v > cv + 1) {
throw new Exception("\nComp. " + vname + " at " + row + "," + col
+ " should be " + cv + ", not " + v + "\n");
}
}
private static void checkVal0(int row, int col, int v, String vname)
throws Exception {
v = (v < 0) ? v + 256 : v;
if(v > 1) {
throw new Exception("\nComp. " + vname + " at " + row + "," + col
+ " should be 0, not " + v + "\n");
}
}
private static void checkVal255(int row, int col, int v, String vname)
throws Exception {
v = (v < 0) ? v + 256 : v;
if(v < 254) {
throw new Exception("\nComp. " + vname + " at " + row + "," + col
+ " should be 255, not " + v + "\n");
}
}
private static int checkBuf(byte[] buf, int w, int pitch, int h, int pf,
int subsamp, TJScalingFactor sf, int flags) throws Exception {
int roffset = TJ.getRedOffset(pf);
int goffset = TJ.getGreenOffset(pf);
int boffset = TJ.getBlueOffset(pf);
int aoffset = alphaOffset[pf];
int ps = TJ.getPixelSize(pf);
int index, row, col, retval = 1;
int halfway = 16 * sf.getNum() / sf.getDenom();
int blockSize = 8 * sf.getNum() / sf.getDenom();
try {
for(row = 0; row < halfway; row++) {
for(col = 0; col < w; col++) {
if((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col * ps;
else index = pitch * row + col * ps;
byte r = buf[index + roffset];
byte g = buf[index + goffset];
byte b = buf[index + boffset];
byte a = aoffset >= 0 ? buf[index + aoffset] : (byte)255;
if(((row / blockSize) + (col / blockSize)) % 2 == 0) {
if(row < halfway) {
checkVal255(row, col, r, "R");
checkVal255(row, col, g, "G");
checkVal255(row, col, b, "B");
}
else {
checkVal0(row, col, r, "R");
checkVal0(row, col, g, "G");
checkVal0(row, col, b, "B");
}
}
else {
if(subsamp == TJ.SAMP_GRAY) {
if(row < halfway) {
checkVal(row, col, r, "R", 76);
checkVal(row, col, g, "G", 76);
checkVal(row, col, b, "B", 76);
}
else {
checkVal(row, col, r, "R", 226);
checkVal(row, col, g, "G", 226);
checkVal(row, col, b, "B", 226);
}
}
else {
checkVal255(row, col, r, "R");
if(row < halfway) {
checkVal0(row, col, g, "G");
}
else {
checkVal255(row, col, g, "G");
}
checkVal0(row, col, b, "B");
}
}
checkVal255(row, col, a, "A");
}
}
}
catch(Exception e) {
System.out.println(e);
retval = 0;
}
if(retval == 0) {
System.out.print("\n");
for(row = 0; row < h; row++) {
for(col = 0; col < w; col++) {
int r = buf[pitch * row + col * ps + roffset];
int g = buf[pitch * row + col * ps + goffset];
int b = buf[pitch * row + col * ps + boffset];
if(r < 0) r += 256; if(g < 0) g += 256; if(b < 0) b += 256;
System.out.format("%3d/%3d/%3d ", r, g, b);
}
System.out.print("\n");
}
}
return retval;
}
private static int checkIntBuf(int[] buf, int w, int pitch, int h, int pf,
int subsamp, TJScalingFactor sf, int flags) throws Exception {
int rshift = TJ.getRedOffset(pf) * 8;
int gshift = TJ.getGreenOffset(pf) * 8;
int bshift = TJ.getBlueOffset(pf) * 8;
int ashift = alphaOffset[pf] * 8;
int index, row, col, retval = 1;
int halfway = 16 * sf.getNum() / sf.getDenom();
int blockSize = 8 * sf.getNum() / sf.getDenom();
try {
for(row = 0; row < halfway; row++) {
for(col = 0; col < w; col++) {
if((flags & TJ.FLAG_BOTTOMUP) != 0)
index = pitch * (h - row - 1) + col;
else index = pitch * row + col;
int r = (buf[index] >> rshift) & 0xFF;
int g = (buf[index] >> gshift) & 0xFF;
int b = (buf[index] >> bshift) & 0xFF;
int a = ashift >= 0 ? (buf[index] >> ashift) & 0xFF : 255;
if(((row / blockSize) + (col / blockSize)) % 2 == 0) {
if(row < halfway) {
checkVal255(row, col, r, "R");
checkVal255(row, col, g, "G");
checkVal255(row, col, b, "B");
}
else {
checkVal0(row, col, r, "R");
checkVal0(row, col, g, "G");
checkVal0(row, col, b, "B");
}
}
else {
if(subsamp == TJ.SAMP_GRAY) {
if(row < halfway) {
checkVal(row, col, r, "R", 76);
checkVal(row, col, g, "G", 76);
checkVal(row, col, b, "B", 76);
}
else {
checkVal(row, col, r, "R", 226);
checkVal(row, col, g, "G", 226);
checkVal(row, col, b, "B", 226);
}
}
else {
checkVal255(row, col, r, "R");
if(row < halfway) {
checkVal0(row, col, g, "G");
}
else {
checkVal255(row, col, g, "G");
}
checkVal0(row, col, b, "B");
}
}
checkVal255(row, col, a, "A");
}
}
}
catch(Exception e) {
System.out.println(e);
retval = 0;
}
if(retval == 0) {
System.out.print("\n");
for(row = 0; row < h; row++) {
for(col = 0; col < w; col++) {
int r = (buf[pitch * row + col] >> rshift) & 0xFF;
int g = (buf[pitch * row + col] >> gshift) & 0xFF;
int b = (buf[pitch * row + col] >> bshift) & 0xFF;
if(r < 0) r += 256; if(g < 0) g += 256; if(b < 0) b += 256;
System.out.format("%3d/%3d/%3d ", r, g, b);
}
System.out.print("\n");
}
}
return retval;
}
private static int checkImg(BufferedImage img, int pf,
int subsamp, TJScalingFactor sf, int flags) throws Exception {
WritableRaster wr = img.getRaster();
int imgType = img.getType();
if(imgType == BufferedImage.TYPE_INT_RGB
|| imgType == BufferedImage.TYPE_INT_BGR
|| imgType == BufferedImage.TYPE_INT_ARGB
|| imgType == BufferedImage.TYPE_INT_ARGB_PRE) {
SinglePixelPackedSampleModel sm =
(SinglePixelPackedSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
DataBufferInt db = (DataBufferInt)wr.getDataBuffer();
int[] buf = db.getData();
return checkIntBuf(buf, img.getWidth(), pitch, img.getHeight(), pf,
subsamp, sf, flags);
}
else {
ComponentSampleModel sm = (ComponentSampleModel)img.getSampleModel();
int pitch = sm.getScanlineStride();
DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
byte[] buf = db.getData();
return checkBuf(buf, img.getWidth(), pitch, img.getHeight(), pf, subsamp,
sf, flags);
}
}
private static int PAD(int v, int p) {
return ((v + (p) - 1) & (~((p) - 1)));
}
private static int checkBufYUV(byte[] buf, int size, int w, int h,
int subsamp) throws Exception {
int row, col;
int hsf = TJ.getMCUWidth(subsamp)/8, vsf = TJ.getMCUHeight(subsamp)/8;
int pw = PAD(w, hsf), ph = PAD(h, vsf);
int cw = pw / hsf, ch = ph / vsf;
int ypitch = PAD(pw, 4), uvpitch = PAD(cw, 4);
int retval = 1;
int correctsize = ypitch * ph
+ (subsamp == TJ.SAMP_GRAY ? 0 : uvpitch * ch * 2);
int halfway = 16;
try {
if(size != correctsize)
throw new Exception("\nIncorrect size " + size + ". Should be "
+ correctsize);
for(row = 0; row < ph; row++) {
for(col = 0; col < pw; col++) {
byte y = buf[ypitch * row + col];
if(((row / 8) + (col / 8)) % 2 == 0) {
if(row < halfway) checkVal255(row, col, y, "Y");
else checkVal0(row, col, y, "Y");
}
else {
if(row < halfway) checkVal(row, col, y, "Y", 76);
else checkVal(row, col, y, "Y", 226);
}
}
}
if(subsamp != TJ.SAMP_GRAY) {
halfway = 16 / vsf;
for(row = 0; row < ch; row++) {
for(col = 0; col < cw; col++) {
byte u = buf[ypitch * ph + (uvpitch * row + col)],
v = buf[ypitch * ph + uvpitch * ch + (uvpitch * row + col)];
if(((row * vsf / 8) + (col * hsf / 8)) % 2 == 0) {
checkVal(row, col, u, "U", 128);
checkVal(row, col, v, "V", 128);
}
else {
if(row < halfway) {
checkVal(row, col, u, "U", 85);
checkVal255(row, col, v, "V");
}
else {
checkVal0(row, col, u, "U");
checkVal(row, col, v, "V", 149);
}
}
}
}
}
}
catch(Exception e) {
System.out.println(e);
retval = 0;
}
if(retval == 0) {
for(row = 0; row < ph; row++) {
for(col = 0; col < pw; col++) {
int y = buf[ypitch * row + col];
if(y < 0) y += 256;
System.out.format("%3d ", y);
}
System.out.print("\n");
}
System.out.print("\n");
for(row = 0; row < ch; row++) {
for(col = 0; col < cw; col++) {
int u = buf[ypitch * ph + (uvpitch * row + col)];
if(u < 0) u += 256;
System.out.format("%3d ", u);
}
System.out.print("\n");
}
System.out.print("\n");
for(row = 0; row < ch; row++) {
for(col = 0; col < cw; col++) {
int v = buf[ypitch * ph + uvpitch * ch + (uvpitch * row + col)];
if(v < 0) v += 256;
System.out.format("%3d ", v);
}
System.out.print("\n");
}
System.out.print("\n");
}
return retval;
}
private static void writeJPEG(byte[] jpegBuf, int jpegBufSize,
String filename) throws Exception {
File file = new File(filename);
FileOutputStream fos = new FileOutputStream(file);
fos.write(jpegBuf, 0, jpegBufSize);
fos.close();
}
private static int compTest(TJCompressor tjc, byte[] dstBuf, int w,
int h, int pf, String baseName, int subsamp, int jpegQual,
int flags) throws Exception {
String tempstr;
byte[] srcBuf = null;
BufferedImage img = null;
String pfStr;
double t;
int size = 0, ps, imgType = pf;
if (bi) {
pf = biTypePF(imgType);
pfStr = biTypeStr(imgType);
}
else pfStr = pixFormatStr[pf];
ps = TJ.getPixelSize(pf);
System.out.print(pfStr + " ");
if(bi) System.out.print("(" + pixFormatStr[pf] + ") ");
if((flags & TJ.FLAG_BOTTOMUP) != 0) System.out.print("Bottom-Up");
else System.out.print("Top-Down ");
System.out.print(" -> " + subNameLong[subsamp] + " ");
if(yuv == YUVENCODE) System.out.print("YUV ... ");
else System.out.print("Q" + jpegQual + " ... ");
if(bi) {
img = new BufferedImage(w, h, imgType);
initImg(img, pf, flags);
tempstr = baseName + "_enc_" + pfStr + "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_"
+ subName[subsamp] + "_Q" + jpegQual + ".png";
File file = new File(tempstr);
ImageIO.write(img, "png", file);
}
else {
srcBuf = new byte[w * h * ps + 1];
initBuf(srcBuf, w, w * ps, h, pf, flags);
}
Arrays.fill(dstBuf, (byte)0);
t = getTime();
tjc.setSubsamp(subsamp);
tjc.setJPEGQuality(jpegQual);
if(bi) {
if(yuv == YUVENCODE) tjc.encodeYUV(img, dstBuf, flags);
else tjc.compress(img, dstBuf, flags);
}
else {
tjc.setSourceImage(srcBuf, w, 0, h, pf);
if(yuv == YUVENCODE) tjc.encodeYUV(dstBuf, flags);
else tjc.compress(dstBuf, flags);
}
size = tjc.getCompressedSize();
t = getTime() - t;
if(yuv == YUVENCODE)
tempstr = baseName + "_enc_" + pfStr + "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_"
+ subName[subsamp] + ".yuv";
else
tempstr = baseName + "_enc_" + pfStr + "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_"
+ subName[subsamp] + "_Q" + jpegQual + ".jpg";
writeJPEG(dstBuf, size, tempstr);
if(yuv == YUVENCODE) {
if(checkBufYUV(dstBuf, size, w, h, subsamp) == 1)
System.out.print("Passed.");
else {
System.out.print("FAILED!"); exitStatus = -1;
}
}
else System.out.print("Done.");
System.out.format(" %.6f ms\n", t * 1000.);
System.out.println(" Result in " + tempstr);
return size;
}
private static void decompTest(TJDecompressor tjd, byte[] jpegBuf,
int jpegSize, int w, int h, int pf, String baseName, int subsamp,
int flags, TJScalingFactor sf) throws Exception {
String pfStr, tempstr;
double t;
int scaledWidth = sf.getScaled(w);
int scaledHeight = sf.getScaled(h);
int temp1, temp2, imgType = pf;
BufferedImage img = null;
byte[] dstBuf = null;
if(yuv == YUVENCODE) return;
if (bi) {
pf = biTypePF(imgType);
pfStr = biTypeStr(imgType);
}
else pfStr = pixFormatStr[pf];
System.out.print("JPEG -> ");
if(yuv == YUVDECODE)
System.out.print("YUV " + subName[subsamp] + " ... ");
else {
System.out.print(pfStr + " ");
if(bi) System.out.print("(" + pixFormatStr[pf] + ") ");
if((flags & TJ.FLAG_BOTTOMUP) != 0) System.out.print("Bottom-Up ");
else System.out.print("Top-Down ");
if(!sf.isOne())
System.out.print(sf.getNum() + "/" + sf.getDenom() + " ... ");
else System.out.print("... ");
}
t = getTime();
tjd.setJPEGImage(jpegBuf, jpegSize);
if(tjd.getWidth() != w || tjd.getHeight() != h
|| tjd.getSubsamp() != subsamp)
throw new Exception("Incorrect JPEG header");
temp1 = scaledWidth;
temp2 = scaledHeight;
temp1 = tjd.getScaledWidth(temp1, temp2);
temp2 = tjd.getScaledHeight(temp1, temp2);
if(temp1 != scaledWidth || temp2 != scaledHeight)
throw new Exception("Scaled size mismatch");
if(yuv == YUVDECODE) dstBuf = tjd.decompressToYUV(flags);
else {
if(bi)
img = tjd.decompress(scaledWidth, scaledHeight, imgType, flags);
else dstBuf = tjd.decompress(scaledWidth, 0, scaledHeight, pf, flags);
}
t = getTime() - t;
if(bi) {
tempstr = baseName + "_dec_" + pfStr + "_"
+ (((flags & TJ.FLAG_BOTTOMUP) != 0) ? "BU" : "TD") + "_"
+ subName[subsamp] + "_" + (double)sf.getNum() / (double)sf.getDenom()
+ "x" + ".png";
File file = new File(tempstr);
ImageIO.write(img, "png", file);
}
if(yuv == YUVDECODE) {
if(checkBufYUV(dstBuf, dstBuf.length, w, h, subsamp) == 1)
System.out.print("Passed.");
else {
System.out.print("FAILED!"); exitStatus = -1;
}
}
else {
if((bi && checkImg(img, pf, subsamp, sf, flags) == 1)
|| (!bi && checkBuf(dstBuf, scaledWidth, scaledWidth
* TJ.getPixelSize(pf), scaledHeight, pf, subsamp, sf, flags) == 1))
System.out.print("Passed.");
else {
System.out.print("FAILED!"); exitStatus = -1;
}
}
System.out.format(" %.6f ms\n", t * 1000.);
}
private static void decompTest(TJDecompressor tjd, byte[] jpegBuf,
int jpegSize, int w, int h, int pf, String baseName, int subsamp,
int flags) throws Exception {
int i;
if((subsamp == TJ.SAMP_444 || subsamp == TJ.SAMP_GRAY) && yuv == 0) {
TJScalingFactor sf[] = TJ.getScalingFactors();
for(i = 0; i < sf.length; i++)
decompTest(tjd, jpegBuf, jpegSize, w, h, pf, baseName, subsamp,
flags, sf[i]);
}
else
decompTest(tjd, jpegBuf, jpegSize, w, h, pf, baseName, subsamp,
flags, new TJScalingFactor(1, 1));
System.out.print("\n");
}
private static void doTest(int w, int h, int[] formats, int subsamp,
String baseName) throws Exception {
TJCompressor tjc = null;
TJDecompressor tjd = null;
int size;
byte[] dstBuf;
if(yuv == YUVENCODE) dstBuf = new byte[TJ.bufSizeYUV(w, h, subsamp)];
else dstBuf = new byte[TJ.bufSize(w, h, subsamp)];
try {
tjc = new TJCompressor();
tjd = new TJDecompressor();
for(int pf : formats) {
for(int i = 0; i < 2; i++) {
int flags = 0;
if(i == 1) {
if(yuv == YUVDECODE) {
tjc.close(); tjd.close(); return;
}
else flags |= TJ.FLAG_BOTTOMUP;
}
size = compTest(tjc, dstBuf, w, h, pf, baseName, subsamp, 100,
flags);
decompTest(tjd, dstBuf, size, w, h, pf, baseName, subsamp, flags);
if(pf >= TJ.PF_RGBX && pf <= TJ.PF_XRGB && !bi)
decompTest(tjd, dstBuf, size, w, h, pf + (TJ.PF_RGBA - TJ.PF_RGBX),
baseName, subsamp, flags);
}
}
}
catch(Exception e) {
if(tjc != null) tjc.close();
if(tjd != null) tjd.close();
throw e;
}
if(tjc != null) tjc.close();
if(tjd != null) tjd.close();
}
private static void bufSizeTest() throws Exception {
int w, h, i, subsamp;
byte[] srcBuf, jpegBuf;
TJCompressor tjc = null;
Random r = new Random();
try {
tjc = new TJCompressor();
System.out.println("Buffer size regression test");
for(subsamp = 0; subsamp < TJ.NUMSAMP; subsamp++) {
for(w = 1; w < 48; w++) {
int maxh = (w == 1) ? 2048 : 48;
for(h = 1; h < maxh; h++) {
if(h % 100 == 0)
System.out.format("%04d x %04d\b\b\b\b\b\b\b\b\b\b\b", w, h);
srcBuf = new byte[w * h * 4];
jpegBuf = new byte[TJ.bufSize(w, h, subsamp)];
for(i = 0; i < w * h * 4; i++) {
srcBuf[i] = (byte)(r.nextInt(2) * 255);
}
tjc.setSourceImage(srcBuf, w, 0, h, TJ.PF_BGRX);
tjc.setSubsamp(subsamp);
tjc.setJPEGQuality(100);
tjc.compress(jpegBuf, 0);
srcBuf = new byte[h * w * 4];
jpegBuf = new byte[TJ.bufSize(h, w, subsamp)];
for(i = 0; i < h * w * 4; i++) {
srcBuf[i] = (byte)(r.nextInt(2) * 255);
}
tjc.setSourceImage(srcBuf, h, 0, w, TJ.PF_BGRX);
tjc.compress(jpegBuf, 0);
}
}
}
System.out.println("Done. ");
}
catch(Exception e) {
if(tjc != null) tjc.close();
throw e;
}
if(tjc != null) tjc.close();
}
public static void main(String argv[]) {
try {
String testName = "javatest";
boolean doyuv = false;
for(int i = 0; i < argv.length; i++) {
if(argv[i].equalsIgnoreCase("-yuv")) doyuv = true;
if(argv[i].substring(0, 1).equalsIgnoreCase("-h")
|| argv[i].equalsIgnoreCase("-?"))
usage();
if(argv[i].equalsIgnoreCase("-bi")) {
bi = true;
testName = "javabitest";
}
}
if(doyuv) yuv = YUVENCODE;
doTest(35, 39, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_444, testName);
doTest(39, 41, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_444, testName);
if(doyuv) {
doTest(41, 35, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_422,
testName);
doTest(35, 39, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_422,
testName);
doTest(39, 41, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_420,
testName);
doTest(41, 35, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_420,
testName);
doTest(35, 39, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_440,
testName);
doTest(39, 41, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_440,
testName);
}
doTest(35, 39, bi ? onlyGrayBI : onlyGray, TJ.SAMP_GRAY, testName);
doTest(39, 41, bi ? _3byteFormatsBI : _3byteFormats, TJ.SAMP_GRAY,
testName);
doTest(41, 35, bi ? _4byteFormatsBI : _4byteFormats, TJ.SAMP_GRAY,
testName);
if(!doyuv && !bi) bufSizeTest();
if(doyuv && !bi) {
yuv = YUVDECODE;
doTest(48, 48, onlyRGB, TJ.SAMP_444, "javatest_yuv0");
doTest(35, 39, onlyRGB, TJ.SAMP_444, "javatest_yuv1");
doTest(48, 48, onlyRGB, TJ.SAMP_422, "javatest_yuv0");
doTest(39, 41, onlyRGB, TJ.SAMP_422, "javatest_yuv1");
doTest(48, 48, onlyRGB, TJ.SAMP_420, "javatest_yuv0");
doTest(41, 35, onlyRGB, TJ.SAMP_420, "javatest_yuv1");
doTest(48, 48, onlyRGB, TJ.SAMP_440, "javatest_yuv0");
doTest(35, 39, onlyRGB, TJ.SAMP_440, "javatest_yuv1");
doTest(48, 48, onlyRGB, TJ.SAMP_GRAY, "javatest_yuv0");
doTest(35, 39, onlyRGB, TJ.SAMP_GRAY, "javatest_yuv1");
doTest(48, 48, onlyGray, TJ.SAMP_GRAY, "javatest_yuv0");
doTest(39, 41, onlyGray, TJ.SAMP_GRAY, "javatest_yuv1");
}
}
catch(Exception e) {
e.printStackTrace();
exitStatus = -1;
}
System.exit(exitStatus);
}
}
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