1 /* 2 * Copyright (C)2009-2014, 2016-2017 D. R. Commander. All Rights Reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are met: 6 * 7 * - Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * - Redistributions in binary form must reproduce the above copyright notice, 10 * this list of conditions and the following disclaimer in the documentation 11 * and/or other materials provided with the distribution. 12 * - Neither the name of the libjpeg-turbo Project nor the names of its 13 * contributors may be used to endorse or promote products derived from this 14 * software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS", 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 import java.io.*; 30 import java.awt.image.*; 31 import javax.imageio.*; 32 import java.util.*; 33 import org.libjpegturbo.turbojpeg.*; 34 35 class TJBench { 36 37 static int flags = 0, quiet = 0, pf = TJ.PF_BGR, yuvpad = 1, warmup = 1; 38 static boolean compOnly, decompOnly, doTile, doYUV, write; 39 40 static final String[] pixFormatStr = { 41 "RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "GRAY" 42 }; 43 44 static final String[] subNameLong = { 45 "4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0", "4:1:1" 46 }; 47 48 static final String[] subName = { 49 "444", "422", "420", "GRAY", "440", "411" 50 }; 51 52 static final String[] csName = { 53 "RGB", "YCbCr", "GRAY", "CMYK", "YCCK" 54 }; 55 56 static TJScalingFactor sf; 57 static int xformOp = TJTransform.OP_NONE, xformOpt = 0; 58 static double benchTime = 5.0; 59 60 getTime()61 static final double getTime() { 62 return (double)System.nanoTime() / 1.0e9; 63 } 64 65 formatName(int subsamp, int cs)66 static String formatName(int subsamp, int cs) { 67 if (cs == TJ.CS_YCbCr) 68 return subNameLong[subsamp]; 69 else if (cs == TJ.CS_YCCK) 70 return csName[cs] + " " + subNameLong[subsamp]; 71 else 72 return csName[cs]; 73 } 74 75 sigFig(double val, int figs)76 static String sigFig(double val, int figs) { 77 String format; 78 int digitsAfterDecimal = figs - (int)Math.ceil(Math.log10(Math.abs(val))); 79 if (digitsAfterDecimal < 1) 80 format = new String("%.0f"); 81 else 82 format = new String("%." + digitsAfterDecimal + "f"); 83 return String.format(format, val); 84 } 85 86 loadImage(String fileName, int[] w, int[] h, int pixelFormat)87 static byte[] loadImage(String fileName, int[] w, int[] h, int pixelFormat) 88 throws Exception { 89 BufferedImage img = ImageIO.read(new File(fileName)); 90 if (img == null) 91 throw new Exception("Could not read " + fileName); 92 w[0] = img.getWidth(); 93 h[0] = img.getHeight(); 94 int[] rgb = img.getRGB(0, 0, w[0], h[0], null, 0, w[0]); 95 int ps = TJ.getPixelSize(pixelFormat); 96 int rindex = TJ.getRedOffset(pixelFormat); 97 int gindex = TJ.getGreenOffset(pixelFormat); 98 int bindex = TJ.getBlueOffset(pixelFormat); 99 if ((long)w[0] * (long)h[0] * (long)ps > (long)Integer.MAX_VALUE) 100 throw new Exception("Image is too lange"); 101 byte[] dstBuf = new byte[w[0] * h[0] * ps]; 102 int pixels = w[0] * h[0], dstPtr = 0, rgbPtr = 0; 103 while (pixels-- > 0) { 104 dstBuf[dstPtr + rindex] = (byte)((rgb[rgbPtr] >> 16) & 0xff); 105 dstBuf[dstPtr + gindex] = (byte)((rgb[rgbPtr] >> 8) & 0xff); 106 dstBuf[dstPtr + bindex] = (byte)(rgb[rgbPtr] & 0xff); 107 dstPtr += ps; 108 rgbPtr++; 109 } 110 return dstBuf; 111 } 112 113 saveImage(String fileName, byte[] srcBuf, int w, int h, int pixelFormat)114 static void saveImage(String fileName, byte[] srcBuf, int w, int h, 115 int pixelFormat) throws Exception { 116 BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); 117 int pixels = w * h, srcPtr = 0; 118 int ps = TJ.getPixelSize(pixelFormat); 119 int rindex = TJ.getRedOffset(pixelFormat); 120 int gindex = TJ.getGreenOffset(pixelFormat); 121 int bindex = TJ.getBlueOffset(pixelFormat); 122 for (int y = 0; y < h; y++) { 123 for (int x = 0; x < w; x++, srcPtr += ps) { 124 int pixel = (srcBuf[srcPtr + rindex] & 0xff) << 16 | 125 (srcBuf[srcPtr + gindex] & 0xff) << 8 | 126 (srcBuf[srcPtr + bindex] & 0xff); 127 img.setRGB(x, y, pixel); 128 } 129 } 130 ImageIO.write(img, "bmp", new File(fileName)); 131 } 132 133 134 /* Decompression test */ decomp(byte[] srcBuf, byte[][] jpegBuf, int[] jpegSize, byte[] dstBuf, int w, int h, int subsamp, int jpegQual, String fileName, int tilew, int tileh)135 static void decomp(byte[] srcBuf, byte[][] jpegBuf, int[] jpegSize, 136 byte[] dstBuf, int w, int h, int subsamp, int jpegQual, 137 String fileName, int tilew, int tileh) throws Exception { 138 String qualStr = new String(""), sizeStr, tempStr; 139 TJDecompressor tjd; 140 double elapsed, elapsedDecode; 141 int ps = TJ.getPixelSize(pf), i, iter = 0; 142 int scaledw = sf.getScaled(w); 143 int scaledh = sf.getScaled(h); 144 int pitch = scaledw * ps; 145 YUVImage yuvImage = null; 146 147 if (jpegQual > 0) 148 qualStr = new String("_Q" + jpegQual); 149 150 tjd = new TJDecompressor(); 151 152 if (dstBuf == null) { 153 if ((long)pitch * (long)scaledh > (long)Integer.MAX_VALUE) 154 throw new Exception("Image is too large"); 155 dstBuf = new byte[pitch * scaledh]; 156 } 157 158 /* Set the destination buffer to gray so we know whether the decompressor 159 attempted to write to it */ 160 Arrays.fill(dstBuf, (byte)127); 161 162 if (doYUV) { 163 int width = doTile ? tilew : scaledw; 164 int height = doTile ? tileh : scaledh; 165 yuvImage = new YUVImage(width, yuvpad, height, subsamp); 166 Arrays.fill(yuvImage.getBuf(), (byte)127); 167 } 168 169 /* Benchmark */ 170 iter -= warmup; 171 elapsed = elapsedDecode = 0.0; 172 while (true) { 173 int tile = 0; 174 double start = getTime(); 175 for (int y = 0; y < h; y += tileh) { 176 for (int x = 0; x < w; x += tilew, tile++) { 177 int width = doTile ? Math.min(tilew, w - x) : scaledw; 178 int height = doTile ? Math.min(tileh, h - y) : scaledh; 179 tjd.setSourceImage(jpegBuf[tile], jpegSize[tile]); 180 if (doYUV) { 181 yuvImage.setBuf(yuvImage.getBuf(), width, yuvpad, height, subsamp); 182 tjd.decompressToYUV(yuvImage, flags); 183 double startDecode = getTime(); 184 tjd.setSourceImage(yuvImage); 185 tjd.decompress(dstBuf, x, y, width, pitch, height, pf, flags); 186 if (iter >= 0) 187 elapsedDecode += getTime() - startDecode; 188 } else 189 tjd.decompress(dstBuf, x, y, width, pitch, height, pf, flags); 190 } 191 } 192 iter++; 193 if (iter >= 1) { 194 elapsed += getTime() - start; 195 if (elapsed >= benchTime) 196 break; 197 } 198 } 199 if(doYUV) 200 elapsed -= elapsedDecode; 201 202 tjd = null; 203 for (i = 0; i < jpegBuf.length; i++) 204 jpegBuf[i] = null; 205 jpegBuf = null; jpegSize = null; 206 System.gc(); 207 208 if (quiet != 0) { 209 System.out.format("%-6s%s", 210 sigFig((double)(w * h) / 1000000. * (double)iter / elapsed, 4), 211 quiet == 2 ? "\n" : " "); 212 if (doYUV) 213 System.out.format("%s\n", 214 sigFig((double)(w * h) / 1000000. * (double)iter / elapsedDecode, 4)); 215 else if (quiet != 2) 216 System.out.print("\n"); 217 } else { 218 System.out.format("%s --> Frame rate: %f fps\n", 219 (doYUV ? "Decomp to YUV":"Decompress "), 220 (double)iter / elapsed); 221 System.out.format(" Throughput: %f Megapixels/sec\n", 222 (double)(w * h) / 1000000. * (double)iter / elapsed); 223 if (doYUV) { 224 System.out.format("YUV Decode --> Frame rate: %f fps\n", 225 (double)iter / elapsedDecode); 226 System.out.format(" Throughput: %f Megapixels/sec\n", 227 (double)(w * h) / 1000000. * (double)iter / elapsedDecode); 228 } 229 } 230 231 if (!write) return; 232 233 if (sf.getNum() != 1 || sf.getDenom() != 1) 234 sizeStr = new String(sf.getNum() + "_" + sf.getDenom()); 235 else if (tilew != w || tileh != h) 236 sizeStr = new String(tilew + "x" + tileh); 237 else 238 sizeStr = new String("full"); 239 if (decompOnly) 240 tempStr = new String(fileName + "_" + sizeStr + ".bmp"); 241 else 242 tempStr = new String(fileName + "_" + subName[subsamp] + qualStr + 243 "_" + sizeStr + ".bmp"); 244 245 saveImage(tempStr, dstBuf, scaledw, scaledh, pf); 246 int ndx = tempStr.lastIndexOf('.'); 247 tempStr = new String(tempStr.substring(0, ndx) + "-err.bmp"); 248 if (srcBuf != null && sf.getNum() == 1 && sf.getDenom() == 1) { 249 if (quiet == 0) 250 System.out.println("Compression error written to " + tempStr + "."); 251 if (subsamp == TJ.SAMP_GRAY) { 252 for (int y = 0, index = 0; y < h; y++, index += pitch) { 253 for (int x = 0, index2 = index; x < w; x++, index2 += ps) { 254 int rindex = index2 + TJ.getRedOffset(pf); 255 int gindex = index2 + TJ.getGreenOffset(pf); 256 int bindex = index2 + TJ.getBlueOffset(pf); 257 int lum = (int)((double)(srcBuf[rindex] & 0xff) * 0.299 + 258 (double)(srcBuf[gindex] & 0xff) * 0.587 + 259 (double)(srcBuf[bindex] & 0xff) * 0.114 + 0.5); 260 if (lum > 255) lum = 255; 261 if (lum < 0) lum = 0; 262 dstBuf[rindex] = (byte)Math.abs((dstBuf[rindex] & 0xff) - lum); 263 dstBuf[gindex] = (byte)Math.abs((dstBuf[gindex] & 0xff) - lum); 264 dstBuf[bindex] = (byte)Math.abs((dstBuf[bindex] & 0xff) - lum); 265 } 266 } 267 } else { 268 for (int y = 0; y < h; y++) 269 for (int x = 0; x < w * ps; x++) 270 dstBuf[pitch * y + x] = 271 (byte)Math.abs((dstBuf[pitch * y + x] & 0xff) - 272 (srcBuf[pitch * y + x] & 0xff)); 273 } 274 saveImage(tempStr, dstBuf, w, h, pf); 275 } 276 } 277 278 fullTest(byte[] srcBuf, int w, int h, int subsamp, int jpegQual, String fileName)279 static void fullTest(byte[] srcBuf, int w, int h, int subsamp, int jpegQual, 280 String fileName) throws Exception { 281 TJCompressor tjc; 282 byte[] tmpBuf; 283 byte[][] jpegBuf; 284 int[] jpegSize; 285 double start, elapsed, elapsedEncode; 286 int totalJpegSize = 0, tilew, tileh, i, iter; 287 int ps = TJ.getPixelSize(pf); 288 int ntilesw = 1, ntilesh = 1, pitch = w * ps; 289 String pfStr = pixFormatStr[pf]; 290 YUVImage yuvImage = null; 291 292 if ((long)pitch * (long)h > (long)Integer.MAX_VALUE) 293 throw new Exception("Image is too lange"); 294 tmpBuf = new byte[pitch * h]; 295 296 if (quiet == 0) 297 System.out.format(">>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n", pfStr, 298 (flags & TJ.FLAG_BOTTOMUP) != 0 ? "Bottom-up" : "Top-down", 299 subNameLong[subsamp], jpegQual); 300 301 tjc = new TJCompressor(); 302 303 for (tilew = doTile ? 8 : w, tileh = doTile ? 8 : h; ; 304 tilew *= 2, tileh *= 2) { 305 if (tilew > w) 306 tilew = w; 307 if (tileh > h) 308 tileh = h; 309 ntilesw = (w + tilew - 1) / tilew; 310 ntilesh = (h + tileh - 1) / tileh; 311 312 jpegBuf = new byte[ntilesw * ntilesh][TJ.bufSize(tilew, tileh, subsamp)]; 313 jpegSize = new int[ntilesw * ntilesh]; 314 315 /* Compression test */ 316 if (quiet == 1) 317 System.out.format("%-4s (%s) %-5s %-3d ", pfStr, 318 (flags & TJ.FLAG_BOTTOMUP) != 0 ? "BU" : "TD", 319 subNameLong[subsamp], jpegQual); 320 for (i = 0; i < h; i++) 321 System.arraycopy(srcBuf, w * ps * i, tmpBuf, pitch * i, w * ps); 322 tjc.setJPEGQuality(jpegQual); 323 tjc.setSubsamp(subsamp); 324 325 if (doYUV) { 326 yuvImage = new YUVImage(tilew, yuvpad, tileh, subsamp); 327 Arrays.fill(yuvImage.getBuf(), (byte)127); 328 } 329 330 /* Benchmark */ 331 iter = -warmup; 332 elapsed = elapsedEncode = 0.0; 333 while (true) { 334 int tile = 0; 335 totalJpegSize = 0; 336 start = getTime(); 337 for (int y = 0; y < h; y += tileh) { 338 for (int x = 0; x < w; x += tilew, tile++) { 339 int width = Math.min(tilew, w - x); 340 int height = Math.min(tileh, h - y); 341 tjc.setSourceImage(srcBuf, x, y, width, pitch, height, pf); 342 if (doYUV) { 343 double startEncode = getTime(); 344 yuvImage.setBuf(yuvImage.getBuf(), width, yuvpad, height, 345 subsamp); 346 tjc.encodeYUV(yuvImage, flags); 347 if (iter >= 0) 348 elapsedEncode += getTime() - startEncode; 349 tjc.setSourceImage(yuvImage); 350 } 351 tjc.compress(jpegBuf[tile], flags); 352 jpegSize[tile] = tjc.getCompressedSize(); 353 totalJpegSize += jpegSize[tile]; 354 } 355 } 356 iter++; 357 if (iter >= 1) { 358 elapsed += getTime() - start; 359 if (elapsed >= benchTime) 360 break; 361 } 362 } 363 if (doYUV) 364 elapsed -= elapsedEncode; 365 366 if (quiet == 1) 367 System.out.format("%-5d %-5d ", tilew, tileh); 368 if (quiet != 0) { 369 if (doYUV) 370 System.out.format("%-6s%s", 371 sigFig((double)(w * h) / 1000000. * (double)iter / elapsedEncode, 4), 372 quiet == 2 ? "\n" : " "); 373 System.out.format("%-6s%s", 374 sigFig((double)(w * h) / 1000000. * (double)iter / elapsed, 4), 375 quiet == 2 ? "\n" : " "); 376 System.out.format("%-6s%s", 377 sigFig((double)(w * h * ps) / (double)totalJpegSize, 4), 378 quiet == 2 ? "\n" : " "); 379 } else { 380 System.out.format("\n%s size: %d x %d\n", doTile ? "Tile" : "Image", 381 tilew, tileh); 382 if (doYUV) { 383 System.out.format("Encode YUV --> Frame rate: %f fps\n", 384 (double)iter / elapsedEncode); 385 System.out.format(" Output image size: %d bytes\n", 386 yuvImage.getSize()); 387 System.out.format(" Compression ratio: %f:1\n", 388 (double)(w * h * ps) / (double)yuvImage.getSize()); 389 System.out.format(" Throughput: %f Megapixels/sec\n", 390 (double)(w * h) / 1000000. * (double)iter / elapsedEncode); 391 System.out.format(" Output bit stream: %f Megabits/sec\n", 392 (double)yuvImage.getSize() * 8. / 1000000. * (double)iter / elapsedEncode); 393 } 394 System.out.format("%s --> Frame rate: %f fps\n", 395 doYUV ? "Comp from YUV" : "Compress ", 396 (double)iter / elapsed); 397 System.out.format(" Output image size: %d bytes\n", 398 totalJpegSize); 399 System.out.format(" Compression ratio: %f:1\n", 400 (double)(w * h * ps) / (double)totalJpegSize); 401 System.out.format(" Throughput: %f Megapixels/sec\n", 402 (double)(w * h) / 1000000. * (double)iter / elapsed); 403 System.out.format(" Output bit stream: %f Megabits/sec\n", 404 (double)totalJpegSize * 8. / 1000000. * (double)iter / elapsed); 405 } 406 if (tilew == w && tileh == h && write) { 407 String tempStr = fileName + "_" + subName[subsamp] + "_" + "Q" + 408 jpegQual + ".jpg"; 409 FileOutputStream fos = new FileOutputStream(tempStr); 410 fos.write(jpegBuf[0], 0, jpegSize[0]); 411 fos.close(); 412 if (quiet == 0) 413 System.out.println("Reference image written to " + tempStr); 414 } 415 416 /* Decompression test */ 417 if (!compOnly) 418 decomp(srcBuf, jpegBuf, jpegSize, tmpBuf, w, h, subsamp, jpegQual, 419 fileName, tilew, tileh); 420 421 if (tilew == w && tileh == h) break; 422 } 423 } 424 425 decompTest(String fileName)426 static void decompTest(String fileName) throws Exception { 427 TJTransformer tjt; 428 byte[][] jpegBuf = null; 429 byte[] srcBuf; 430 int[] jpegSize = null; 431 int totalJpegSize; 432 int w = 0, h = 0, subsamp = -1, cs = -1, _w, _h, _tilew, _tileh, 433 _ntilesw, _ntilesh, _subsamp, x, y, iter; 434 int ntilesw = 1, ntilesh = 1; 435 double start, elapsed; 436 int ps = TJ.getPixelSize(pf), tile; 437 438 FileInputStream fis = new FileInputStream(fileName); 439 if (fis.getChannel().size() > (long)Integer.MAX_VALUE) 440 throw new Exception("Image is too large"); 441 int srcSize = (int)fis.getChannel().size(); 442 srcBuf = new byte[srcSize]; 443 fis.read(srcBuf, 0, srcSize); 444 fis.close(); 445 446 int index = fileName.lastIndexOf('.'); 447 if (index >= 0) 448 fileName = new String(fileName.substring(0, index)); 449 450 tjt = new TJTransformer(); 451 452 tjt.setSourceImage(srcBuf, srcSize); 453 w = tjt.getWidth(); 454 h = tjt.getHeight(); 455 subsamp = tjt.getSubsamp(); 456 cs = tjt.getColorspace(); 457 458 if (quiet == 1) { 459 System.out.println("All performance values in Mpixels/sec\n"); 460 System.out.format("Bitmap JPEG JPEG %s %s Xform Comp Decomp ", 461 (doTile ? "Tile " : "Image"), 462 (doTile ? "Tile " : "Image")); 463 if (doYUV) 464 System.out.print("Decode"); 465 System.out.print("\n"); 466 System.out.print("Format CS Subsamp Width Height Perf Ratio Perf "); 467 if (doYUV) 468 System.out.print("Perf"); 469 System.out.println("\n"); 470 } else if (quiet == 0) 471 System.out.format(">>>>> JPEG %s --> %s (%s) <<<<<\n", 472 formatName(subsamp, cs), pixFormatStr[pf], 473 (flags & TJ.FLAG_BOTTOMUP) != 0 ? "Bottom-up" : "Top-down"); 474 475 for (int tilew = doTile ? 16 : w, tileh = doTile ? 16 : h; ; 476 tilew *= 2, tileh *= 2) { 477 if (tilew > w) 478 tilew = w; 479 if (tileh > h) 480 tileh = h; 481 ntilesw = (w + tilew - 1) / tilew; 482 ntilesh = (h + tileh - 1) / tileh; 483 484 _w = w; _h = h; _tilew = tilew; _tileh = tileh; 485 if (quiet == 0) { 486 System.out.format("\n%s size: %d x %d", (doTile ? "Tile" : "Image"), 487 _tilew, _tileh); 488 if (sf.getNum() != 1 || sf.getDenom() != 1) 489 System.out.format(" --> %d x %d", sf.getScaled(_w), 490 sf.getScaled(_h)); 491 System.out.println(""); 492 } else if (quiet == 1) { 493 System.out.format("%-4s (%s) %-5s %-5s ", pixFormatStr[pf], 494 (flags & TJ.FLAG_BOTTOMUP) != 0 ? "BU" : "TD", 495 csName[cs], subNameLong[subsamp]); 496 System.out.format("%-5d %-5d ", tilew, tileh); 497 } 498 499 _subsamp = subsamp; 500 if (doTile || xformOp != TJTransform.OP_NONE || xformOpt != 0) { 501 if (xformOp == TJTransform.OP_TRANSPOSE || 502 xformOp == TJTransform.OP_TRANSVERSE || 503 xformOp == TJTransform.OP_ROT90 || 504 xformOp == TJTransform.OP_ROT270) { 505 _w = h; _h = w; _tilew = tileh; _tileh = tilew; 506 } 507 508 if ((xformOpt & TJTransform.OPT_GRAY) != 0) 509 _subsamp = TJ.SAMP_GRAY; 510 if (xformOp == TJTransform.OP_HFLIP || 511 xformOp == TJTransform.OP_ROT180) 512 _w = _w - (_w % TJ.getMCUWidth(_subsamp)); 513 if (xformOp == TJTransform.OP_VFLIP || 514 xformOp == TJTransform.OP_ROT180) 515 _h = _h - (_h % TJ.getMCUHeight(_subsamp)); 516 if (xformOp == TJTransform.OP_TRANSVERSE || 517 xformOp == TJTransform.OP_ROT90) 518 _w = _w - (_w % TJ.getMCUHeight(_subsamp)); 519 if (xformOp == TJTransform.OP_TRANSVERSE || 520 xformOp == TJTransform.OP_ROT270) 521 _h = _h - (_h % TJ.getMCUWidth(_subsamp)); 522 _ntilesw = (_w + _tilew - 1) / _tilew; 523 _ntilesh = (_h + _tileh - 1) / _tileh; 524 525 if (xformOp == TJTransform.OP_TRANSPOSE || 526 xformOp == TJTransform.OP_TRANSVERSE || 527 xformOp == TJTransform.OP_ROT90 || 528 xformOp == TJTransform.OP_ROT270) { 529 if (_subsamp == TJ.SAMP_422) 530 _subsamp = TJ.SAMP_440; 531 else if (_subsamp == TJ.SAMP_440) 532 _subsamp = TJ.SAMP_422; 533 } 534 535 TJTransform[] t = new TJTransform[_ntilesw * _ntilesh]; 536 jpegBuf = new byte[_ntilesw * _ntilesh][TJ.bufSize(_tilew, _tileh, subsamp)]; 537 538 for (y = 0, tile = 0; y < _h; y += _tileh) { 539 for (x = 0; x < _w; x += _tilew, tile++) { 540 t[tile] = new TJTransform(); 541 t[tile].width = Math.min(_tilew, _w - x); 542 t[tile].height = Math.min(_tileh, _h - y); 543 t[tile].x = x; 544 t[tile].y = y; 545 t[tile].op = xformOp; 546 t[tile].options = xformOpt | TJTransform.OPT_TRIM; 547 if ((t[tile].options & TJTransform.OPT_NOOUTPUT) != 0 && 548 jpegBuf[tile] != null) 549 jpegBuf[tile] = null; 550 } 551 } 552 553 iter = -warmup; 554 elapsed = 0.; 555 while (true) { 556 start = getTime(); 557 tjt.transform(jpegBuf, t, flags); 558 jpegSize = tjt.getTransformedSizes(); 559 iter++; 560 if (iter >= 1) { 561 elapsed += getTime() - start; 562 if (elapsed >= benchTime) 563 break; 564 } 565 } 566 t = null; 567 568 for (tile = 0, totalJpegSize = 0; tile < _ntilesw * _ntilesh; tile++) 569 totalJpegSize += jpegSize[tile]; 570 571 if (quiet != 0) { 572 System.out.format("%-6s%s%-6s%s", 573 sigFig((double)(w * h) / 1000000. / elapsed, 4), 574 quiet == 2 ? "\n" : " ", 575 sigFig((double)(w * h * ps) / (double)totalJpegSize, 4), 576 quiet == 2 ? "\n" : " "); 577 } else if (quiet == 0) { 578 System.out.format("Transform --> Frame rate: %f fps\n", 579 1.0 / elapsed); 580 System.out.format(" Output image size: %d bytes\n", 581 totalJpegSize); 582 System.out.format(" Compression ratio: %f:1\n", 583 (double)(w * h * ps) / (double)totalJpegSize); 584 System.out.format(" Throughput: %f Megapixels/sec\n", 585 (double)(w * h) / 1000000. / elapsed); 586 System.out.format(" Output bit stream: %f Megabits/sec\n", 587 (double)totalJpegSize * 8. / 1000000. / elapsed); 588 } 589 } else { 590 if (quiet == 1) 591 System.out.print("N/A N/A "); 592 jpegBuf = new byte[1][TJ.bufSize(_tilew, _tileh, subsamp)]; 593 jpegSize = new int[1]; 594 jpegBuf[0] = srcBuf; 595 jpegSize[0] = srcSize; 596 } 597 598 if (w == tilew) 599 _tilew = _w; 600 if (h == tileh) 601 _tileh = _h; 602 if ((xformOpt & TJTransform.OPT_NOOUTPUT) == 0) 603 decomp(null, jpegBuf, jpegSize, null, _w, _h, _subsamp, 0, 604 fileName, _tilew, _tileh); 605 else if (quiet == 1) 606 System.out.println("N/A"); 607 608 jpegBuf = null; 609 jpegSize = null; 610 611 if (tilew == w && tileh == h) break; 612 } 613 } 614 615 usage()616 static void usage() throws Exception { 617 int i; 618 TJScalingFactor[] scalingFactors = TJ.getScalingFactors(); 619 int nsf = scalingFactors.length; 620 String className = new TJBench().getClass().getName(); 621 622 System.out.println("\nUSAGE: java " + className); 623 System.out.println(" <Inputfile (BMP)> <Quality> [options]\n"); 624 System.out.println(" java " + className); 625 System.out.println(" <Inputfile (JPG)> [options]\n"); 626 System.out.println("Options:\n"); 627 System.out.println("-alloc = Dynamically allocate JPEG image buffers"); 628 System.out.println("-bottomup = Test bottom-up compression/decompression"); 629 System.out.println("-tile = Test performance of the codec when the image is encoded as separate"); 630 System.out.println(" tiles of varying sizes."); 631 System.out.println("-rgb, -bgr, -rgbx, -bgrx, -xbgr, -xrgb ="); 632 System.out.println(" Test the specified color conversion path in the codec (default = BGR)"); 633 System.out.println("-fastupsample = Use the fastest chrominance upsampling algorithm available in"); 634 System.out.println(" the underlying codec"); 635 System.out.println("-fastdct = Use the fastest DCT/IDCT algorithms available in the underlying"); 636 System.out.println(" codec"); 637 System.out.println("-accuratedct = Use the most accurate DCT/IDCT algorithms available in the"); 638 System.out.println(" underlying codec"); 639 System.out.println("-subsamp <s> = When testing JPEG compression, this option specifies the level"); 640 System.out.println(" of chrominance subsampling to use (<s> = 444, 422, 440, 420, 411, or"); 641 System.out.println(" GRAY). The default is to test Grayscale, 4:2:0, 4:2:2, and 4:4:4 in"); 642 System.out.println(" sequence."); 643 System.out.println("-quiet = Output results in tabular rather than verbose format"); 644 System.out.println("-yuv = Test YUV encoding/decoding functions"); 645 System.out.println("-yuvpad <p> = If testing YUV encoding/decoding, this specifies the number of"); 646 System.out.println(" bytes to which each row of each plane in the intermediate YUV image is"); 647 System.out.println(" padded (default = 1)"); 648 System.out.println("-scale M/N = Scale down the width/height of the decompressed JPEG image by a"); 649 System.out.print (" factor of M/N (M/N = "); 650 for (i = 0; i < nsf; i++) { 651 System.out.format("%d/%d", scalingFactors[i].getNum(), 652 scalingFactors[i].getDenom()); 653 if (nsf == 2 && i != nsf - 1) 654 System.out.print(" or "); 655 else if (nsf > 2) { 656 if (i != nsf - 1) 657 System.out.print(", "); 658 if (i == nsf - 2) 659 System.out.print("or "); 660 } 661 if (i % 8 == 0 && i != 0) 662 System.out.print("\n "); 663 } 664 System.out.println(")"); 665 System.out.println("-hflip, -vflip, -transpose, -transverse, -rot90, -rot180, -rot270 ="); 666 System.out.println(" Perform the corresponding lossless transform prior to"); 667 System.out.println(" decompression (these options are mutually exclusive)"); 668 System.out.println("-grayscale = Perform lossless grayscale conversion prior to decompression"); 669 System.out.println(" test (can be combined with the other transforms above)"); 670 System.out.println("-benchtime <t> = Run each benchmark for at least <t> seconds (default = 5.0)"); 671 System.out.println("-warmup <w> = Execute each benchmark <w> times to prime the cache before"); 672 System.out.println(" taking performance measurements (default = 1)"); 673 System.out.println("-componly = Stop after running compression tests. Do not test decompression."); 674 System.out.println("-nowrite = Do not write reference or output images (improves consistency"); 675 System.out.println(" of performance measurements.)\n"); 676 System.out.println("NOTE: If the quality is specified as a range (e.g. 90-100), a separate"); 677 System.out.println("test will be performed for all quality values in the range.\n"); 678 System.exit(1); 679 } 680 681 main(String[] argv)682 public static void main(String[] argv) { 683 byte[] srcBuf = null; int w = 0, h = 0; 684 int minQual = -1, maxQual = -1; 685 int minArg = 1; int retval = 0; 686 int subsamp = -1; 687 688 try { 689 690 if (argv.length < minArg) 691 usage(); 692 693 String tempStr = argv[0].toLowerCase(); 694 if (tempStr.endsWith(".jpg") || tempStr.endsWith(".jpeg")) 695 decompOnly = true; 696 697 System.out.println(""); 698 699 if (!decompOnly) { 700 minArg = 2; 701 if (argv.length < minArg) 702 usage(); 703 try { 704 minQual = Integer.parseInt(argv[1]); 705 } catch (NumberFormatException e) {} 706 if (minQual < 1 || minQual > 100) 707 throw new Exception("Quality must be between 1 and 100."); 708 int dashIndex = argv[1].indexOf('-'); 709 if (dashIndex > 0 && argv[1].length() > dashIndex + 1) { 710 try { 711 maxQual = Integer.parseInt(argv[1].substring(dashIndex + 1)); 712 } catch (NumberFormatException e) {} 713 } 714 if (maxQual < 1 || maxQual > 100) 715 maxQual = minQual; 716 } 717 718 if (argv.length > minArg) { 719 for (int i = minArg; i < argv.length; i++) { 720 if (argv[i].equalsIgnoreCase("-tile")) { 721 doTile = true; xformOpt |= TJTransform.OPT_CROP; 722 } 723 if (argv[i].equalsIgnoreCase("-fastupsample")) { 724 System.out.println("Using fast upsampling code\n"); 725 flags |= TJ.FLAG_FASTUPSAMPLE; 726 } 727 if (argv[i].equalsIgnoreCase("-fastdct")) { 728 System.out.println("Using fastest DCT/IDCT algorithm\n"); 729 flags |= TJ.FLAG_FASTDCT; 730 } 731 if (argv[i].equalsIgnoreCase("-accuratedct")) { 732 System.out.println("Using most accurate DCT/IDCT algorithm\n"); 733 flags |= TJ.FLAG_ACCURATEDCT; 734 } 735 if (argv[i].equalsIgnoreCase("-rgb")) 736 pf = TJ.PF_RGB; 737 if (argv[i].equalsIgnoreCase("-rgbx")) 738 pf = TJ.PF_RGBX; 739 if (argv[i].equalsIgnoreCase("-bgr")) 740 pf = TJ.PF_BGR; 741 if (argv[i].equalsIgnoreCase("-bgrx")) 742 pf = TJ.PF_BGRX; 743 if (argv[i].equalsIgnoreCase("-xbgr")) 744 pf = TJ.PF_XBGR; 745 if (argv[i].equalsIgnoreCase("-xrgb")) 746 pf = TJ.PF_XRGB; 747 if (argv[i].equalsIgnoreCase("-bottomup")) 748 flags |= TJ.FLAG_BOTTOMUP; 749 if (argv[i].equalsIgnoreCase("-quiet")) 750 quiet = 1; 751 if (argv[i].equalsIgnoreCase("-qq")) 752 quiet = 2; 753 if (argv[i].equalsIgnoreCase("-scale") && i < argv.length - 1) { 754 int temp1 = 0, temp2 = 0; 755 boolean match = false, scanned = true; 756 Scanner scanner = new Scanner(argv[++i]).useDelimiter("/"); 757 try { 758 temp1 = scanner.nextInt(); 759 temp2 = scanner.nextInt(); 760 } catch(Exception e) {} 761 if (temp2 <= 0) temp2 = 1; 762 if (temp1 > 0) { 763 TJScalingFactor[] scalingFactors = TJ.getScalingFactors(); 764 for (int j = 0; j < scalingFactors.length; j++) { 765 if ((double)temp1 / (double)temp2 == 766 (double)scalingFactors[j].getNum() / 767 (double)scalingFactors[j].getDenom()) { 768 sf = scalingFactors[j]; 769 match = true; break; 770 } 771 } 772 if (!match) usage(); 773 } else 774 usage(); 775 } 776 if (argv[i].equalsIgnoreCase("-hflip")) 777 xformOp = TJTransform.OP_HFLIP; 778 if (argv[i].equalsIgnoreCase("-vflip")) 779 xformOp = TJTransform.OP_VFLIP; 780 if (argv[i].equalsIgnoreCase("-transpose")) 781 xformOp = TJTransform.OP_TRANSPOSE; 782 if (argv[i].equalsIgnoreCase("-transverse")) 783 xformOp = TJTransform.OP_TRANSVERSE; 784 if (argv[i].equalsIgnoreCase("-rot90")) 785 xformOp = TJTransform.OP_ROT90; 786 if (argv[i].equalsIgnoreCase("-rot180")) 787 xformOp = TJTransform.OP_ROT180; 788 if (argv[i].equalsIgnoreCase("-rot270")) 789 xformOp = TJTransform.OP_ROT270; 790 if (argv[i].equalsIgnoreCase("-grayscale")) 791 xformOpt |= TJTransform.OPT_GRAY; 792 if (argv[i].equalsIgnoreCase("-nooutput")) 793 xformOpt |= TJTransform.OPT_NOOUTPUT; 794 if (argv[i].equalsIgnoreCase("-benchtime") && i < argv.length - 1) { 795 double temp = -1; 796 try { 797 temp = Double.parseDouble(argv[++i]); 798 } catch (NumberFormatException e) {} 799 if (temp > 0.0) 800 benchTime = temp; 801 else 802 usage(); 803 } 804 if (argv[i].equalsIgnoreCase("-yuv")) { 805 System.out.println("Testing YUV planar encoding/decoding\n"); 806 doYUV = true; 807 } 808 if (argv[i].equalsIgnoreCase("-yuvpad") && i < argv.length - 1) { 809 int temp = 0; 810 try { 811 temp = Integer.parseInt(argv[++i]); 812 } catch (NumberFormatException e) {} 813 if (temp >= 1) 814 yuvpad = temp; 815 } 816 if (argv[i].equalsIgnoreCase("-subsamp") && i < argv.length - 1) { 817 i++; 818 if (argv[i].toUpperCase().startsWith("G")) 819 subsamp = TJ.SAMP_GRAY; 820 else if (argv[i].equals("444")) 821 subsamp = TJ.SAMP_444; 822 else if (argv[i].equals("422")) 823 subsamp = TJ.SAMP_422; 824 else if (argv[i].equals("440")) 825 subsamp = TJ.SAMP_440; 826 else if (argv[i].equals("420")) 827 subsamp = TJ.SAMP_420; 828 else if (argv[i].equals("411")) 829 subsamp = TJ.SAMP_411; 830 } 831 if (argv[i].equalsIgnoreCase("-componly")) 832 compOnly = true; 833 if (argv[i].equalsIgnoreCase("-nowrite")) 834 write = false; 835 if (argv[i].equalsIgnoreCase("-warmup") && i < argv.length - 1) { 836 int temp = -1; 837 try { 838 temp = Integer.parseInt(argv[++i]); 839 } catch (NumberFormatException e) {} 840 if (temp >= 0) { 841 warmup = temp; 842 System.out.format("Warmup runs = %d\n\n", warmup); 843 } 844 } 845 if (argv[i].equalsIgnoreCase("-?")) 846 usage(); 847 } 848 } 849 850 if (sf == null) 851 sf = new TJScalingFactor(1, 1); 852 853 if ((sf.getNum() != 1 || sf.getDenom() != 1) && doTile) { 854 System.out.println("Disabling tiled compression/decompression tests, because those tests do not"); 855 System.out.println("work when scaled decompression is enabled."); 856 doTile = false; 857 } 858 859 if (!decompOnly) { 860 int[] width = new int[1], height = new int[1]; 861 srcBuf = loadImage(argv[0], width, height, pf); 862 w = width[0]; h = height[0]; 863 int index = -1; 864 if ((index = argv[0].lastIndexOf('.')) >= 0) 865 argv[0] = argv[0].substring(0, index); 866 } 867 868 if (quiet == 1 && !decompOnly) { 869 System.out.println("All performance values in Mpixels/sec\n"); 870 System.out.format("Bitmap JPEG JPEG %s %s ", 871 (doTile ? "Tile " : "Image"), (doTile ? "Tile " : "Image")); 872 if (doYUV) 873 System.out.print("Encode "); 874 System.out.print("Comp Comp Decomp "); 875 if (doYUV) 876 System.out.print("Decode"); 877 System.out.print("\n"); 878 System.out.print("Format Subsamp Qual Width Height "); 879 if (doYUV) 880 System.out.print("Perf "); 881 System.out.print("Perf Ratio Perf "); 882 if (doYUV) 883 System.out.print("Perf"); 884 System.out.println("\n"); 885 } 886 887 if (decompOnly) { 888 decompTest(argv[0]); 889 System.out.println(""); 890 System.exit(retval); 891 } 892 893 System.gc(); 894 if (subsamp >= 0 && subsamp < TJ.NUMSAMP) { 895 for (int i = maxQual; i >= minQual; i--) 896 fullTest(srcBuf, w, h, subsamp, i, argv[0]); 897 System.out.println(""); 898 } else { 899 for (int i = maxQual; i >= minQual; i--) 900 fullTest(srcBuf, w, h, TJ.SAMP_GRAY, i, argv[0]); 901 System.out.println(""); 902 System.gc(); 903 for (int i = maxQual; i >= minQual; i--) 904 fullTest(srcBuf, w, h, TJ.SAMP_420, i, argv[0]); 905 System.out.println(""); 906 System.gc(); 907 for (int i = maxQual; i >= minQual; i--) 908 fullTest(srcBuf, w, h, TJ.SAMP_422, i, argv[0]); 909 System.out.println(""); 910 System.gc(); 911 for (int i = maxQual; i >= minQual; i--) 912 fullTest(srcBuf, w, h, TJ.SAMP_444, i, argv[0]); 913 System.out.println(""); 914 } 915 916 } catch (Exception e) { 917 System.out.println("ERROR: " + e.getMessage()); 918 e.printStackTrace(); 919 retval = -1; 920 } 921 922 System.exit(retval); 923 } 924 925 } 926