/*
* Copyright (C)2009-2014 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.
*/
import java.io.*;
import java.awt.image.*;
import javax.imageio.*;
import java.util.*;
import org.libjpegturbo.turbojpeg.*;
class TJBench {
static int flags = 0, quiet = 0, pf = TJ.PF_BGR, yuvpad = 1, warmup = 1;
static boolean compOnly, decompOnly, doTile, doYUV;
static final String[] pixFormatStr = {
"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "GRAY"
};
static final String[] subNameLong = {
"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0", "4:1:1"
};
static final String[] subName = {
"444", "422", "420", "GRAY", "440", "411"
};
static final String[] csName = {
"RGB", "YCbCr", "GRAY", "CMYK", "YCCK"
};
static TJScalingFactor sf;
static int xformOp = TJTransform.OP_NONE, xformOpt = 0;
static double benchTime = 5.0;
static final double getTime() {
return (double)System.nanoTime() / 1.0e9;
}
static String formatName(int subsamp, int cs) {
if (cs == TJ.CS_YCbCr)
return subNameLong[subsamp];
else if (cs == TJ.CS_YCCK)
return csName[cs] + " " + subNameLong[subsamp];
else
return csName[cs];
}
static String sigFig(double val, int figs) {
String format;
int digitsAfterDecimal = figs - (int)Math.ceil(Math.log10(Math.abs(val)));
if (digitsAfterDecimal < 1)
format = new String("%.0f");
else
format = new String("%." + digitsAfterDecimal + "f");
return String.format(format, val);
}
static byte[] loadImage(String fileName, int[] w, int[] h, int pixelFormat)
throws Exception {
BufferedImage img = ImageIO.read(new File(fileName));
if (img == null)
throw new Exception("Could not read " + fileName);
w[0] = img.getWidth();
h[0] = img.getHeight();
int[] rgb = img.getRGB(0, 0, w[0], h[0], null, 0, w[0]);
int ps = TJ.getPixelSize(pixelFormat);
int rindex = TJ.getRedOffset(pixelFormat);
int gindex = TJ.getGreenOffset(pixelFormat);
int bindex = TJ.getBlueOffset(pixelFormat);
byte[] dstBuf = new byte[w[0] * h[0] * ps];
int pixels = w[0] * h[0], dstPtr = 0, rgbPtr = 0;
while (pixels-- > 0) {
dstBuf[dstPtr + rindex] = (byte)((rgb[rgbPtr] >> 16) & 0xff);
dstBuf[dstPtr + gindex] = (byte)((rgb[rgbPtr] >> 8) & 0xff);
dstBuf[dstPtr + bindex] = (byte)(rgb[rgbPtr] & 0xff);
dstPtr += ps;
rgbPtr++;
}
return dstBuf;
}
static void saveImage(String fileName, byte[] srcBuf, int w, int h,
int pixelFormat) throws Exception {
BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
int pixels = w * h, srcPtr = 0;
int ps = TJ.getPixelSize(pixelFormat);
int rindex = TJ.getRedOffset(pixelFormat);
int gindex = TJ.getGreenOffset(pixelFormat);
int bindex = TJ.getBlueOffset(pixelFormat);
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++, srcPtr += ps) {
int pixel = (srcBuf[srcPtr + rindex] & 0xff) << 16 |
(srcBuf[srcPtr + gindex] & 0xff) << 8 |
(srcBuf[srcPtr + bindex] & 0xff);
img.setRGB(x, y, pixel);
}
}
ImageIO.write(img, "bmp", new File(fileName));
}
/* Decompression test */
static void decomp(byte[] srcBuf, byte[][] jpegBuf, int[] jpegSize,
byte[] dstBuf, int w, int h, int subsamp, int jpegQual,
String fileName, int tilew, int tileh) throws Exception {
String qualStr = new String(""), sizeStr, tempStr;
TJDecompressor tjd;
double elapsed, elapsedDecode;
int ps = TJ.getPixelSize(pf), i, iter = 0;
int scaledw = sf.getScaled(w);
int scaledh = sf.getScaled(h);
int pitch = scaledw * ps;
YUVImage yuvImage = null;
if (jpegQual > 0)
qualStr = new String("_Q" + jpegQual);
tjd = new TJDecompressor();
if (dstBuf == null)
dstBuf = new byte[pitch * scaledh];
/* Set the destination buffer to gray so we know whether the decompressor
attempted to write to it */
Arrays.fill(dstBuf, (byte)127);
if (doYUV) {
int width = doTile ? tilew : scaledw;
int height = doTile ? tileh : scaledh;
yuvImage = new YUVImage(width, yuvpad, height, subsamp);
Arrays.fill(yuvImage.getBuf(), (byte)127);
}
/* Benchmark */
iter -= warmup;
elapsed = elapsedDecode = 0.0;
while (true) {
int tile = 0;
double start = getTime();
for (int y = 0; y < h; y += tileh) {
for (int x = 0; x < w; x += tilew, tile++) {
int width = doTile ? Math.min(tilew, w - x) : scaledw;
int height = doTile ? Math.min(tileh, h - y) : scaledh;
tjd.setSourceImage(jpegBuf[tile], jpegSize[tile]);
if (doYUV) {
yuvImage.setBuf(yuvImage.getBuf(), width, yuvpad, height, subsamp);
tjd.decompressToYUV(yuvImage, flags);
double startDecode = getTime();
tjd.setSourceImage(yuvImage);
tjd.decompress(dstBuf, x, y, width, pitch, height, pf, flags);
if (iter >= 0)
elapsedDecode += getTime() - startDecode;
} else
tjd.decompress(dstBuf, x, y, width, pitch, height, pf, flags);
}
}
iter++;
if (iter >= 1) {
elapsed += getTime() - start;
if (elapsed >= benchTime)
break;
}
}
if(doYUV)
elapsed -= elapsedDecode;
tjd = null;
for (i = 0; i < jpegBuf.length; i++)
jpegBuf[i] = null;
jpegBuf = null; jpegSize = null;
System.gc();
if (quiet != 0) {
System.out.format("%-6s%s",
sigFig((double)(w * h) / 1000000. * (double)iter / elapsed, 4),
quiet == 2 ? "\n" : " ");
if (doYUV)
System.out.format("%s\n",
sigFig((double)(w * h) / 1000000. * (double)iter / elapsedDecode, 4));
else if (quiet != 2)
System.out.print("\n");
} else {
System.out.format("%s --> Frame rate: %f fps\n",
(doYUV ? "Decomp to YUV":"Decompress "),
(double)iter / elapsed);
System.out.format(" Throughput: %f Megapixels/sec\n",
(double)(w * h) / 1000000. * (double)iter / elapsed);
if (doYUV) {
System.out.format("YUV Decode --> Frame rate: %f fps\n",
(double)iter / elapsedDecode);
System.out.format(" Throughput: %f Megapixels/sec\n",
(double)(w * h) / 1000000. * (double)iter / elapsedDecode);
}
}
if (sf.getNum() != 1 || sf.getDenom() != 1)
sizeStr = new String(sf.getNum() + "_" + sf.getDenom());
else if (tilew != w || tileh != h)
sizeStr = new String(tilew + "x" + tileh);
else
sizeStr = new String("full");
if (decompOnly)
tempStr = new String(fileName + "_" + sizeStr + ".bmp");
else
tempStr = new String(fileName + "_" + subName[subsamp] + qualStr +
"_" + sizeStr + ".bmp");
saveImage(tempStr, dstBuf, scaledw, scaledh, pf);
int ndx = tempStr.lastIndexOf('.');
tempStr = new String(tempStr.substring(0, ndx) + "-err.bmp");
if (srcBuf != null && sf.getNum() == 1 && sf.getDenom() == 1) {
if (quiet == 0)
System.out.println("Compression error written to " + tempStr + ".");
if (subsamp == TJ.SAMP_GRAY) {
for (int y = 0, index = 0; y < h; y++, index += pitch) {
for (int x = 0, index2 = index; x < w; x++, index2 += ps) {
int rindex = index2 + TJ.getRedOffset(pf);
int gindex = index2 + TJ.getGreenOffset(pf);
int bindex = index2 + TJ.getBlueOffset(pf);
int lum = (int)((double)(srcBuf[rindex] & 0xff) * 0.299 +
(double)(srcBuf[gindex] & 0xff) * 0.587 +
(double)(srcBuf[bindex] & 0xff) * 0.114 + 0.5);
if (lum > 255) lum = 255;
if (lum < 0) lum = 0;
dstBuf[rindex] = (byte)Math.abs((dstBuf[rindex] & 0xff) - lum);
dstBuf[gindex] = (byte)Math.abs((dstBuf[gindex] & 0xff) - lum);
dstBuf[bindex] = (byte)Math.abs((dstBuf[bindex] & 0xff) - lum);
}
}
} else {
for (int y = 0; y < h; y++)
for (int x = 0; x < w * ps; x++)
dstBuf[pitch * y + x] =
(byte)Math.abs((dstBuf[pitch * y + x] & 0xff) -
(srcBuf[pitch * y + x] & 0xff));
}
saveImage(tempStr, dstBuf, w, h, pf);
}
}
static void fullTest(byte[] srcBuf, int w, int h, int subsamp, int jpegQual,
String fileName) throws Exception {
TJCompressor tjc;
byte[] tmpBuf;
byte[][] jpegBuf;
int[] jpegSize;
double start, elapsed, elapsedEncode;
int totalJpegSize = 0, tilew, tileh, i, iter;
int ps = TJ.getPixelSize(pf);
int ntilesw = 1, ntilesh = 1, pitch = w * ps;
String pfStr = pixFormatStr[pf];
YUVImage yuvImage = null;
tmpBuf = new byte[pitch * h];
if (quiet == 0)
System.out.format(">>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n", pfStr,
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "Bottom-up" : "Top-down",
subNameLong[subsamp], jpegQual);
tjc = new TJCompressor();
for (tilew = doTile ? 8 : w, tileh = doTile ? 8 : h; ;
tilew *= 2, tileh *= 2) {
if (tilew > w)
tilew = w;
if (tileh > h)
tileh = h;
ntilesw = (w + tilew - 1) / tilew;
ntilesh = (h + tileh - 1) / tileh;
jpegBuf = new byte[ntilesw * ntilesh][TJ.bufSize(tilew, tileh, subsamp)];
jpegSize = new int[ntilesw * ntilesh];
/* Compression test */
if (quiet == 1)
System.out.format("%-4s (%s) %-5s %-3d ", pfStr,
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "BU" : "TD",
subNameLong[subsamp], jpegQual);
for (i = 0; i < h; i++)
System.arraycopy(srcBuf, w * ps * i, tmpBuf, pitch * i, w * ps);
tjc.setJPEGQuality(jpegQual);
tjc.setSubsamp(subsamp);
if (doYUV) {
yuvImage = new YUVImage(tilew, yuvpad, tileh, subsamp);
Arrays.fill(yuvImage.getBuf(), (byte)127);
}
/* Benchmark */
iter = -warmup;
elapsed = elapsedEncode = 0.0;
while (true) {
int tile = 0;
totalJpegSize = 0;
start = getTime();
for (int y = 0; y < h; y += tileh) {
for (int x = 0; x < w; x += tilew, tile++) {
int width = Math.min(tilew, w - x);
int height = Math.min(tileh, h - y);
tjc.setSourceImage(srcBuf, x, y, width, pitch, height, pf);
if (doYUV) {
double startEncode = getTime();
yuvImage.setBuf(yuvImage.getBuf(), width, yuvpad, height,
subsamp);
tjc.encodeYUV(yuvImage, flags);
if (iter >= 0)
elapsedEncode += getTime() - startEncode;
tjc.setSourceImage(yuvImage);
}
tjc.compress(jpegBuf[tile], flags);
jpegSize[tile] = tjc.getCompressedSize();
totalJpegSize += jpegSize[tile];
}
}
iter++;
if (iter >= 1) {
elapsed += getTime() - start;
if (elapsed >= benchTime)
break;
}
}
if (doYUV)
elapsed -= elapsedEncode;
if (quiet == 1)
System.out.format("%-5d %-5d ", tilew, tileh);
if (quiet != 0) {
if (doYUV)
System.out.format("%-6s%s",
sigFig((double)(w * h) / 1000000. * (double)iter / elapsedEncode, 4),
quiet == 2 ? "\n" : " ");
System.out.format("%-6s%s",
sigFig((double)(w * h) / 1000000. * (double)iter / elapsed, 4),
quiet == 2 ? "\n" : " ");
System.out.format("%-6s%s",
sigFig((double)(w * h * ps) / (double)totalJpegSize, 4),
quiet == 2 ? "\n" : " ");
} else {
System.out.format("\n%s size: %d x %d\n", doTile ? "Tile" : "Image",
tilew, tileh);
if (doYUV) {
System.out.format("Encode YUV --> Frame rate: %f fps\n",
(double)iter / elapsedEncode);
System.out.format(" Output image size: %d bytes\n",
yuvImage.getSize());
System.out.format(" Compression ratio: %f:1\n",
(double)(w * h * ps) / (double)yuvImage.getSize());
System.out.format(" Throughput: %f Megapixels/sec\n",
(double)(w * h) / 1000000. * (double)iter / elapsedEncode);
System.out.format(" Output bit stream: %f Megabits/sec\n",
(double)yuvImage.getSize() * 8. / 1000000. * (double)iter / elapsedEncode);
}
System.out.format("%s --> Frame rate: %f fps\n",
doYUV ? "Comp from YUV" : "Compress ",
(double)iter / elapsed);
System.out.format(" Output image size: %d bytes\n",
totalJpegSize);
System.out.format(" Compression ratio: %f:1\n",
(double)(w * h * ps) / (double)totalJpegSize);
System.out.format(" Throughput: %f Megapixels/sec\n",
(double)(w * h) / 1000000. * (double)iter / elapsed);
System.out.format(" Output bit stream: %f Megabits/sec\n",
(double)totalJpegSize * 8. / 1000000. * (double)iter / elapsed);
}
if (tilew == w && tileh == h) {
String tempStr = fileName + "_" + subName[subsamp] + "_" + "Q" +
jpegQual + ".jpg";
FileOutputStream fos = new FileOutputStream(tempStr);
fos.write(jpegBuf[0], 0, jpegSize[0]);
fos.close();
if (quiet == 0)
System.out.println("Reference image written to " + tempStr);
}
/* Decompression test */
if (!compOnly)
decomp(srcBuf, jpegBuf, jpegSize, tmpBuf, w, h, subsamp, jpegQual,
fileName, tilew, tileh);
if (tilew == w && tileh == h) break;
}
}
static void decompTest(String fileName) throws Exception {
TJTransformer tjt;
byte[][] jpegBuf = null;
byte[] srcBuf;
int[] jpegSize = null;
int totalJpegSize;
int w = 0, h = 0, subsamp = -1, cs = -1, _w, _h, _tilew, _tileh,
_ntilesw, _ntilesh, _subsamp, x, y, iter;
int ntilesw = 1, ntilesh = 1;
double start, elapsed;
int ps = TJ.getPixelSize(pf), tile;
FileInputStream fis = new FileInputStream(fileName);
int srcSize = (int)fis.getChannel().size();
srcBuf = new byte[srcSize];
fis.read(srcBuf, 0, srcSize);
fis.close();
int index = fileName.lastIndexOf('.');
if (index >= 0)
fileName = new String(fileName.substring(0, index));
tjt = new TJTransformer();
tjt.setSourceImage(srcBuf, srcSize);
w = tjt.getWidth();
h = tjt.getHeight();
subsamp = tjt.getSubsamp();
cs = tjt.getColorspace();
if (quiet == 1) {
System.out.println("All performance values in Mpixels/sec\n");
System.out.format("Bitmap JPEG JPEG %s %s Xform Comp Decomp ",
(doTile ? "Tile " : "Image"),
(doTile ? "Tile " : "Image"));
if (doYUV)
System.out.print("Decode");
System.out.print("\n");
System.out.print("Format CS Subsamp Width Height Perf Ratio Perf ");
if (doYUV)
System.out.print("Perf");
System.out.println("\n");
} else if (quiet == 0)
System.out.format(">>>>> JPEG %s --> %s (%s) <<<<<\n",
formatName(subsamp, cs), pixFormatStr[pf],
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "Bottom-up" : "Top-down");
for (int tilew = doTile ? 16 : w, tileh = doTile ? 16 : h; ;
tilew *= 2, tileh *= 2) {
if (tilew > w)
tilew = w;
if (tileh > h)
tileh = h;
ntilesw = (w + tilew - 1) / tilew;
ntilesh = (h + tileh - 1) / tileh;
_w = w; _h = h; _tilew = tilew; _tileh = tileh;
if (quiet == 0) {
System.out.format("\n%s size: %d x %d", (doTile ? "Tile" : "Image"),
_tilew, _tileh);
if (sf.getNum() != 1 || sf.getDenom() != 1)
System.out.format(" --> %d x %d", sf.getScaled(_w),
sf.getScaled(_h));
System.out.println("");
} else if (quiet == 1) {
System.out.format("%-4s (%s) %-5s %-5s ", pixFormatStr[pf],
(flags & TJ.FLAG_BOTTOMUP) != 0 ? "BU" : "TD",
csName[cs], subNameLong[subsamp]);
System.out.format("%-5d %-5d ", tilew, tileh);
}
_subsamp = subsamp;
if (doTile || xformOp != TJTransform.OP_NONE || xformOpt != 0) {
if (xformOp == TJTransform.OP_TRANSPOSE ||
xformOp == TJTransform.OP_TRANSVERSE ||
xformOp == TJTransform.OP_ROT90 ||
xformOp == TJTransform.OP_ROT270) {
_w = h; _h = w; _tilew = tileh; _tileh = tilew;
}
if ((xformOpt & TJTransform.OPT_GRAY) != 0)
_subsamp = TJ.SAMP_GRAY;
if (xformOp == TJTransform.OP_HFLIP ||
xformOp == TJTransform.OP_ROT180)
_w = _w - (_w % TJ.getMCUWidth(_subsamp));
if (xformOp == TJTransform.OP_VFLIP ||
xformOp == TJTransform.OP_ROT180)
_h = _h - (_h % TJ.getMCUHeight(_subsamp));
if (xformOp == TJTransform.OP_TRANSVERSE ||
xformOp == TJTransform.OP_ROT90)
_w = _w - (_w % TJ.getMCUHeight(_subsamp));
if (xformOp == TJTransform.OP_TRANSVERSE ||
xformOp == TJTransform.OP_ROT270)
_h = _h - (_h % TJ.getMCUWidth(_subsamp));
_ntilesw = (_w + _tilew - 1) / _tilew;
_ntilesh = (_h + _tileh - 1) / _tileh;
if (xformOp == TJTransform.OP_TRANSPOSE ||
xformOp == TJTransform.OP_TRANSVERSE ||
xformOp == TJTransform.OP_ROT90 ||
xformOp == TJTransform.OP_ROT270) {
if (_subsamp == TJ.SAMP_422)
_subsamp = TJ.SAMP_440;
else if (_subsamp == TJ.SAMP_440)
_subsamp = TJ.SAMP_422;
}
TJTransform[] t = new TJTransform[_ntilesw * _ntilesh];
jpegBuf = new byte[_ntilesw * _ntilesh][TJ.bufSize(_tilew, _tileh, subsamp)];
for (y = 0, tile = 0; y < _h; y += _tileh) {
for (x = 0; x < _w; x += _tilew, tile++) {
t[tile] = new TJTransform();
t[tile].width = Math.min(_tilew, _w - x);
t[tile].height = Math.min(_tileh, _h - y);
t[tile].x = x;
t[tile].y = y;
t[tile].op = xformOp;
t[tile].options = xformOpt | TJTransform.OPT_TRIM;
if ((t[tile].options & TJTransform.OPT_NOOUTPUT) != 0 &&
jpegBuf[tile] != null)
jpegBuf[tile] = null;
}
}
iter = -warmup;
elapsed = 0.;
while (true) {
start = getTime();
tjt.transform(jpegBuf, t, flags);
jpegSize = tjt.getTransformedSizes();
iter++;
if (iter >= 1) {
elapsed += getTime() - start;
if (elapsed >= benchTime)
break;
}
}
t = null;
for (tile = 0, totalJpegSize = 0; tile < _ntilesw * _ntilesh; tile++)
totalJpegSize += jpegSize[tile];
if (quiet != 0) {
System.out.format("%-6s%s%-6s%s",
sigFig((double)(w * h) / 1000000. / elapsed, 4),
quiet == 2 ? "\n" : " ",
sigFig((double)(w * h * ps) / (double)totalJpegSize, 4),
quiet == 2 ? "\n" : " ");
} else if (quiet == 0) {
System.out.format("Transform --> Frame rate: %f fps\n",
1.0 / elapsed);
System.out.format(" Output image size: %d bytes\n",
totalJpegSize);
System.out.format(" Compression ratio: %f:1\n",
(double)(w * h * ps) / (double)totalJpegSize);
System.out.format(" Throughput: %f Megapixels/sec\n",
(double)(w * h) / 1000000. / elapsed);
System.out.format(" Output bit stream: %f Megabits/sec\n",
(double)totalJpegSize * 8. / 1000000. / elapsed);
}
} else {
if (quiet == 1)
System.out.print("N/A N/A ");
jpegBuf = new byte[1][TJ.bufSize(_tilew, _tileh, subsamp)];
jpegSize = new int[1];
jpegSize[0] = srcSize;
System.arraycopy(srcBuf, 0, jpegBuf[0], 0, srcSize);
}
if (w == tilew)
_tilew = _w;
if (h == tileh)
_tileh = _h;
if ((xformOpt & TJTransform.OPT_NOOUTPUT) == 0)
decomp(null, jpegBuf, jpegSize, null, _w, _h, _subsamp, 0,
fileName, _tilew, _tileh);
else if (quiet == 1)
System.out.println("N/A");
jpegBuf = null;
jpegSize = null;
if (tilew == w && tileh == h) break;
}
}
static void usage() throws Exception {
int i;
TJScalingFactor[] scalingFactors = TJ.getScalingFactors();
int nsf = scalingFactors.length;
String className = new TJBench().getClass().getName();
System.out.println("\nUSAGE: java " + className);
System.out.println(" <Inputfile (BMP)> <Quality> [options]\n");
System.out.println(" java " + className);
System.out.println(" <Inputfile (JPG)> [options]\n");
System.out.println("Options:\n");
System.out.println("-alloc = Dynamically allocate JPEG image buffers");
System.out.println("-bottomup = Test bottom-up compression/decompression");
System.out.println("-tile = Test performance of the codec when the image is encoded as separate");
System.out.println(" tiles of varying sizes.");
System.out.println("-rgb, -bgr, -rgbx, -bgrx, -xbgr, -xrgb =");
System.out.println(" Test the specified color conversion path in the codec (default = BGR)");
System.out.println("-fastupsample = Use the fastest chrominance upsampling algorithm available in");
System.out.println(" the underlying codec");
System.out.println("-fastdct = Use the fastest DCT/IDCT algorithms available in the underlying");
System.out.println(" codec");
System.out.println("-accuratedct = Use the most accurate DCT/IDCT algorithms available in the");
System.out.println(" underlying codec");
System.out.println("-subsamp <s> = When testing JPEG compression, this option specifies the level");
System.out.println(" of chrominance subsampling to use (<s> = 444, 422, 440, 420, 411, or");
System.out.println(" GRAY). The default is to test Grayscale, 4:2:0, 4:2:2, and 4:4:4 in");
System.out.println(" sequence.");
System.out.println("-quiet = Output results in tabular rather than verbose format");
System.out.println("-yuv = Test YUV encoding/decoding functions");
System.out.println("-yuvpad <p> = If testing YUV encoding/decoding, this specifies the number of");
System.out.println(" bytes to which each row of each plane in the intermediate YUV image is");
System.out.println(" padded (default = 1)");
System.out.println("-scale M/N = Scale down the width/height of the decompressed JPEG image by a");
System.out.print (" factor of M/N (M/N = ");
for (i = 0; i < nsf; i++) {
System.out.format("%d/%d", scalingFactors[i].getNum(),
scalingFactors[i].getDenom());
if (nsf == 2 && i != nsf - 1)
System.out.print(" or ");
else if (nsf > 2) {
if (i != nsf - 1)
System.out.print(", ");
if (i == nsf - 2)
System.out.print("or ");
}
if (i % 8 == 0 && i != 0)
System.out.print("\n ");
}
System.out.println(")");
System.out.println("-hflip, -vflip, -transpose, -transverse, -rot90, -rot180, -rot270 =");
System.out.println(" Perform the corresponding lossless transform prior to");
System.out.println(" decompression (these options are mutually exclusive)");
System.out.println("-grayscale = Perform lossless grayscale conversion prior to decompression");
System.out.println(" test (can be combined with the other transforms above)");
System.out.println("-benchtime <t> = Run each benchmark for at least <t> seconds (default = 5.0)");
System.out.println("-warmup <w> = Execute each benchmark <w> times to prime the cache before");
System.out.println(" taking performance measurements (default = 1)");
System.out.println("-componly = Stop after running compression tests. Do not test decompression.\n");
System.out.println("NOTE: If the quality is specified as a range (e.g. 90-100), a separate");
System.out.println("test will be performed for all quality values in the range.\n");
System.exit(1);
}
public static void main(String[] argv) {
byte[] srcBuf = null; int w = 0, h = 0;
int minQual = -1, maxQual = -1;
int minArg = 1; int retval = 0;
int subsamp = -1;
try {
if (argv.length < minArg)
usage();
String tempStr = argv[0].toLowerCase();
if (tempStr.endsWith(".jpg") || tempStr.endsWith(".jpeg"))
decompOnly = true;
System.out.println("");
if (!decompOnly) {
minArg = 2;
if (argv.length < minArg)
usage();
try {
minQual = Integer.parseInt(argv[1]);
} catch (NumberFormatException e) {}
if (minQual < 1 || minQual > 100)
throw new Exception("Quality must be between 1 and 100.");
int dashIndex = argv[1].indexOf('-');
if (dashIndex > 0 && argv[1].length() > dashIndex + 1) {
try {
maxQual = Integer.parseInt(argv[1].substring(dashIndex + 1));
} catch (NumberFormatException e) {}
}
if (maxQual < 1 || maxQual > 100)
maxQual = minQual;
}
if (argv.length > minArg) {
for (int i = minArg; i < argv.length; i++) {
if (argv[i].equalsIgnoreCase("-tile")) {
doTile = true; xformOpt |= TJTransform.OPT_CROP;
}
if (argv[i].equalsIgnoreCase("-fastupsample")) {
System.out.println("Using fast upsampling code\n");
flags |= TJ.FLAG_FASTUPSAMPLE;
}
if (argv[i].equalsIgnoreCase("-fastdct")) {
System.out.println("Using fastest DCT/IDCT algorithm\n");
flags |= TJ.FLAG_FASTDCT;
}
if (argv[i].equalsIgnoreCase("-accuratedct")) {
System.out.println("Using most accurate DCT/IDCT algorithm\n");
flags |= TJ.FLAG_ACCURATEDCT;
}
if (argv[i].equalsIgnoreCase("-rgb"))
pf = TJ.PF_RGB;
if (argv[i].equalsIgnoreCase("-rgbx"))
pf = TJ.PF_RGBX;
if (argv[i].equalsIgnoreCase("-bgr"))
pf = TJ.PF_BGR;
if (argv[i].equalsIgnoreCase("-bgrx"))
pf = TJ.PF_BGRX;
if (argv[i].equalsIgnoreCase("-xbgr"))
pf = TJ.PF_XBGR;
if (argv[i].equalsIgnoreCase("-xrgb"))
pf = TJ.PF_XRGB;
if (argv[i].equalsIgnoreCase("-bottomup"))
flags |= TJ.FLAG_BOTTOMUP;
if (argv[i].equalsIgnoreCase("-quiet"))
quiet = 1;
if (argv[i].equalsIgnoreCase("-qq"))
quiet = 2;
if (argv[i].equalsIgnoreCase("-scale") && i < argv.length - 1) {
int temp1 = 0, temp2 = 0;
boolean match = false, scanned = true;
Scanner scanner = new Scanner(argv[++i]).useDelimiter("/");
try {
temp1 = scanner.nextInt();
temp2 = scanner.nextInt();
} catch(Exception e) {}
if (temp2 <= 0) temp2 = 1;
if (temp1 > 0) {
TJScalingFactor[] scalingFactors = TJ.getScalingFactors();
for (int j = 0; j < scalingFactors.length; j++) {
if ((double)temp1 / (double)temp2 ==
(double)scalingFactors[j].getNum() /
(double)scalingFactors[j].getDenom()) {
sf = scalingFactors[j];
match = true; break;
}
}
if (!match) usage();
} else
usage();
}
if (argv[i].equalsIgnoreCase("-hflip"))
xformOp = TJTransform.OP_HFLIP;
if (argv[i].equalsIgnoreCase("-vflip"))
xformOp = TJTransform.OP_VFLIP;
if (argv[i].equalsIgnoreCase("-transpose"))
xformOp = TJTransform.OP_TRANSPOSE;
if (argv[i].equalsIgnoreCase("-transverse"))
xformOp = TJTransform.OP_TRANSVERSE;
if (argv[i].equalsIgnoreCase("-rot90"))
xformOp = TJTransform.OP_ROT90;
if (argv[i].equalsIgnoreCase("-rot180"))
xformOp = TJTransform.OP_ROT180;
if (argv[i].equalsIgnoreCase("-rot270"))
xformOp = TJTransform.OP_ROT270;
if (argv[i].equalsIgnoreCase("-grayscale"))
xformOpt |= TJTransform.OPT_GRAY;
if (argv[i].equalsIgnoreCase("-nooutput"))
xformOpt |= TJTransform.OPT_NOOUTPUT;
if (argv[i].equalsIgnoreCase("-benchtime") && i < argv.length - 1) {
double temp = -1;
try {
temp = Double.parseDouble(argv[++i]);
} catch (NumberFormatException e) {}
if (temp > 0.0)
benchTime = temp;
else
usage();
}
if (argv[i].equalsIgnoreCase("-yuv")) {
System.out.println("Testing YUV planar encoding/decoding\n");
doYUV = true;
}
if (argv[i].equalsIgnoreCase("-yuvpad") && i < argv.length - 1) {
int temp = 0;
try {
temp = Integer.parseInt(argv[++i]);
} catch (NumberFormatException e) {}
if (temp >= 1)
yuvpad = temp;
}
if (argv[i].equalsIgnoreCase("-subsamp") && i < argv.length - 1) {
i++;
if (argv[i].toUpperCase().startsWith("G"))
subsamp = TJ.SAMP_GRAY;
else if (argv[i].equals("444"))
subsamp = TJ.SAMP_444;
else if (argv[i].equals("422"))
subsamp = TJ.SAMP_422;
else if (argv[i].equals("440"))
subsamp = TJ.SAMP_440;
else if (argv[i].equals("420"))
subsamp = TJ.SAMP_420;
else if (argv[i].equals("411"))
subsamp = TJ.SAMP_411;
}
if (argv[i].equalsIgnoreCase("-componly"))
compOnly = true;
if (argv[i].equalsIgnoreCase("-warmup") && i < argv.length - 1) {
int temp = -1;
try {
temp = Integer.parseInt(argv[++i]);
} catch (NumberFormatException e) {}
if (temp >= 0) {
warmup = temp;
System.out.format("Warmup runs = %d\n\n", warmup);
}
}
if (argv[i].equalsIgnoreCase("-?"))
usage();
}
}
if (sf == null)
sf = new TJScalingFactor(1, 1);
if ((sf.getNum() != 1 || sf.getDenom() != 1) && doTile) {
System.out.println("Disabling tiled compression/decompression tests, because those tests do not");
System.out.println("work when scaled decompression is enabled.");
doTile = false;
}
if (!decompOnly) {
int[] width = new int[1], height = new int[1];
srcBuf = loadImage(argv[0], width, height, pf);
w = width[0]; h = height[0];
int index = -1;
if ((index = argv[0].lastIndexOf('.')) >= 0)
argv[0] = argv[0].substring(0, index);
}
if (quiet == 1 && !decompOnly) {
System.out.println("All performance values in Mpixels/sec\n");
System.out.format("Bitmap JPEG JPEG %s %s ",
(doTile ? "Tile " : "Image"), (doTile ? "Tile " : "Image"));
if (doYUV)
System.out.print("Encode ");
System.out.print("Comp Comp Decomp ");
if (doYUV)
System.out.print("Decode");
System.out.print("\n");
System.out.print("Format Subsamp Qual Width Height ");
if (doYUV)
System.out.print("Perf ");
System.out.print("Perf Ratio Perf ");
if (doYUV)
System.out.print("Perf");
System.out.println("\n");
}
if (decompOnly) {
decompTest(argv[0]);
System.out.println("");
System.exit(retval);
}
System.gc();
if (subsamp >= 0 && subsamp < TJ.NUMSAMP) {
for (int i = maxQual; i >= minQual; i--)
fullTest(srcBuf, w, h, subsamp, i, argv[0]);
System.out.println("");
} else {
for (int i = maxQual; i >= minQual; i--)
fullTest(srcBuf, w, h, TJ.SAMP_GRAY, i, argv[0]);
System.out.println("");
System.gc();
for (int i = maxQual; i >= minQual; i--)
fullTest(srcBuf, w, h, TJ.SAMP_420, i, argv[0]);
System.out.println("");
System.gc();
for (int i = maxQual; i >= minQual; i--)
fullTest(srcBuf, w, h, TJ.SAMP_422, i, argv[0]);
System.out.println("");
System.gc();
for (int i = maxQual; i >= minQual; i--)
fullTest(srcBuf, w, h, TJ.SAMP_444, i, argv[0]);
System.out.println("");
}
} catch (Exception e) {
System.out.println("ERROR: " + e.getMessage());
e.printStackTrace();
retval = -1;
}
System.exit(retval);
}
}