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; 38 static boolean compOnly, decompOnly, doTile, doYUV, write = true; 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, warmup = 1.0; 59 60 61 static final double getTime() { 62 return (double)System.nanoTime() / 1.0e9; 63 } 64 65 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 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 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 byte[] dstBuf = new byte[w[0] * h[0] * ps]; 100 int pixels = w[0] * h[0], dstPtr = 0, rgbPtr = 0; 101 while (pixels-- > 0) { 102 dstBuf[dstPtr + rindex] = (byte)((rgb[rgbPtr] >> 16) & 0xff); 103 dstBuf[dstPtr + gindex] = (byte)((rgb[rgbPtr] >> 8) & 0xff); 104 dstBuf[dstPtr + bindex] = (byte)(rgb[rgbPtr] & 0xff); 105 dstPtr += ps; 106 rgbPtr++; 107 } 108 return dstBuf; 109 } 110 111 112 static void saveImage(String fileName, byte[] srcBuf, int w, int h, 113 int pixelFormat) throws Exception { 114 BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB); 115 int pixels = w * h, srcPtr = 0; 116 int ps = TJ.getPixelSize(pixelFormat); 117 int rindex = TJ.getRedOffset(pixelFormat); 118 int gindex = TJ.getGreenOffset(pixelFormat); 119 int bindex = TJ.getBlueOffset(pixelFormat); 120 for (int y = 0; y < h; y++) { 121 for (int x = 0; x < w; x++, srcPtr += ps) { 122 int pixel = (srcBuf[srcPtr + rindex] & 0xff) << 16 | 123 (srcBuf[srcPtr + gindex] & 0xff) << 8 | 124 (srcBuf[srcPtr + bindex] & 0xff); 125 img.setRGB(x, y, pixel); 126 } 127 } 128 ImageIO.write(img, "bmp", new File(fileName)); 129 } 130 131 132 /* Decompression test */ 133 static void decomp(byte[] srcBuf, byte[][] jpegBuf, int[] jpegSize, 134 byte[] dstBuf, int w, int h, int subsamp, int jpegQual, 135 String fileName, int tilew, int tileh) throws Exception { 136 String qualStr = new String(""), sizeStr, tempStr; 137 TJDecompressor tjd; 138 double elapsed, elapsedDecode; 139 int ps = TJ.getPixelSize(pf), i, iter = 0; 140 int scaledw = sf.getScaled(w); 141 int scaledh = sf.getScaled(h); 142 int pitch = scaledw * ps; 143 YUVImage yuvImage = null; 144 145 if (jpegQual > 0) 146 qualStr = new String("_Q" + jpegQual); 147 148 tjd = new TJDecompressor(); 149 150 if (dstBuf == null) 151 dstBuf = new byte[pitch * scaledh]; 152 153 /* Set the destination buffer to gray so we know whether the decompressor 154 attempted to write to it */ 155 Arrays.fill(dstBuf, (byte)127); 156 157 if (doYUV) { 158 int width = doTile ? tilew : scaledw; 159 int height = doTile ? tileh : scaledh; 160 yuvImage = new YUVImage(width, yuvpad, height, subsamp); 161 Arrays.fill(yuvImage.getBuf(), (byte)127); 162 } 163 164 /* Benchmark */ 165 iter = -1; 166 elapsed = elapsedDecode = 0.0; 167 while (true) { 168 int tile = 0; 169 double start = getTime(); 170 for (int y = 0; y < h; y += tileh) { 171 for (int x = 0; x < w; x += tilew, tile++) { 172 int width = doTile ? Math.min(tilew, w - x) : scaledw; 173 int height = doTile ? Math.min(tileh, h - y) : scaledh; 174 tjd.setSourceImage(jpegBuf[tile], jpegSize[tile]); 175 if (doYUV) { 176 yuvImage.setBuf(yuvImage.getBuf(), width, yuvpad, height, subsamp); 177 tjd.decompressToYUV(yuvImage, flags); 178 double startDecode = getTime(); 179 tjd.setSourceImage(yuvImage); 180 tjd.decompress(dstBuf, x, y, width, pitch, height, pf, flags); 181 if (iter >= 0) 182 elapsedDecode += getTime() - startDecode; 183 } else 184 tjd.decompress(dstBuf, x, y, width, pitch, height, pf, flags); 185 } 186 } 187 elapsed += getTime() - start; 188 if (iter >= 0) { 189 iter++; 190 if (elapsed >= benchTime) 191 break; 192 } else if (elapsed >= warmup) { 193 iter = 0; 194 elapsed = elapsedDecode = 0.0; 195 } 196 } 197 if(doYUV) 198 elapsed -= elapsedDecode; 199 200 tjd = null; 201 for (i = 0; i < jpegBuf.length; i++) 202 jpegBuf[i] = null; 203 jpegBuf = null; jpegSize = null; 204 System.gc(); 205 206 if (quiet != 0) { 207 System.out.format("%-6s%s", 208 sigFig((double)(w * h) / 1000000. * (double)iter / elapsed, 4), 209 quiet == 2 ? "\n" : " "); 210 if (doYUV) 211 System.out.format("%s\n", 212 sigFig((double)(w * h) / 1000000. * (double)iter / elapsedDecode, 4)); 213 else if (quiet != 2) 214 System.out.print("\n"); 215 } else { 216 System.out.format("%s --> Frame rate: %f fps\n", 217 (doYUV ? "Decomp to YUV":"Decompress "), 218 (double)iter / elapsed); 219 System.out.format(" Throughput: %f Megapixels/sec\n", 220 (double)(w * h) / 1000000. * (double)iter / elapsed); 221 if (doYUV) { 222 System.out.format("YUV Decode --> Frame rate: %f fps\n", 223 (double)iter / elapsedDecode); 224 System.out.format(" Throughput: %f Megapixels/sec\n", 225 (double)(w * h) / 1000000. * (double)iter / elapsedDecode); 226 } 227 } 228 229 if (!write) return; 230 231 if (sf.getNum() != 1 || sf.getDenom() != 1) 232 sizeStr = new String(sf.getNum() + "_" + sf.getDenom()); 233 else if (tilew != w || tileh != h) 234 sizeStr = new String(tilew + "x" + tileh); 235 else 236 sizeStr = new String("full"); 237 if (decompOnly) 238 tempStr = new String(fileName + "_" + sizeStr + ".bmp"); 239 else 240 tempStr = new String(fileName + "_" + subName[subsamp] + qualStr + 241 "_" + sizeStr + ".bmp"); 242 243 saveImage(tempStr, dstBuf, scaledw, scaledh, pf); 244 int ndx = tempStr.lastIndexOf('.'); 245 tempStr = new String(tempStr.substring(0, ndx) + "-err.bmp"); 246 if (srcBuf != null && sf.getNum() == 1 && sf.getDenom() == 1) { 247 if (quiet == 0) 248 System.out.println("Compression error written to " + tempStr + "."); 249 if (subsamp == TJ.SAMP_GRAY) { 250 for (int y = 0, index = 0; y < h; y++, index += pitch) { 251 for (int x = 0, index2 = index; x < w; x++, index2 += ps) { 252 int rindex = index2 + TJ.getRedOffset(pf); 253 int gindex = index2 + TJ.getGreenOffset(pf); 254 int bindex = index2 + TJ.getBlueOffset(pf); 255 int lum = (int)((double)(srcBuf[rindex] & 0xff) * 0.299 + 256 (double)(srcBuf[gindex] & 0xff) * 0.587 + 257 (double)(srcBuf[bindex] & 0xff) * 0.114 + 0.5); 258 if (lum > 255) lum = 255; 259 if (lum < 0) lum = 0; 260 dstBuf[rindex] = (byte)Math.abs((dstBuf[rindex] & 0xff) - lum); 261 dstBuf[gindex] = (byte)Math.abs((dstBuf[gindex] & 0xff) - lum); 262 dstBuf[bindex] = (byte)Math.abs((dstBuf[bindex] & 0xff) - lum); 263 } 264 } 265 } else { 266 for (int y = 0; y < h; y++) 267 for (int x = 0; x < w * ps; x++) 268 dstBuf[pitch * y + x] = 269 (byte)Math.abs((dstBuf[pitch * y + x] & 0xff) - 270 (srcBuf[pitch * y + x] & 0xff)); 271 } 272 saveImage(tempStr, dstBuf, w, h, pf); 273 } 274 } 275 276 277 static void fullTest(byte[] srcBuf, int w, int h, int subsamp, int jpegQual, 278 String fileName) throws Exception { 279 TJCompressor tjc; 280 byte[] tmpBuf; 281 byte[][] jpegBuf; 282 int[] jpegSize; 283 double start, elapsed, elapsedEncode; 284 int totalJpegSize = 0, tilew, tileh, i, iter; 285 int ps = TJ.getPixelSize(pf); 286 int ntilesw = 1, ntilesh = 1, pitch = w * ps; 287 String pfStr = pixFormatStr[pf]; 288 YUVImage yuvImage = null; 289 290 tmpBuf = new byte[pitch * h]; 291 292 if (quiet == 0) 293 System.out.format(">>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n", pfStr, 294 (flags & TJ.FLAG_BOTTOMUP) != 0 ? "Bottom-up" : "Top-down", 295 subNameLong[subsamp], jpegQual); 296 297 tjc = new TJCompressor(); 298 299 for (tilew = doTile ? 8 : w, tileh = doTile ? 8 : h; ; 300 tilew *= 2, tileh *= 2) { 301 if (tilew > w) 302 tilew = w; 303 if (tileh > h) 304 tileh = h; 305 ntilesw = (w + tilew - 1) / tilew; 306 ntilesh = (h + tileh - 1) / tileh; 307 308 jpegBuf = new byte[ntilesw * ntilesh][TJ.bufSize(tilew, tileh, subsamp)]; 309 jpegSize = new int[ntilesw * ntilesh]; 310 311 /* Compression test */ 312 if (quiet == 1) 313 System.out.format("%-4s (%s) %-5s %-3d ", pfStr, 314 (flags & TJ.FLAG_BOTTOMUP) != 0 ? "BU" : "TD", 315 subNameLong[subsamp], jpegQual); 316 for (i = 0; i < h; i++) 317 System.arraycopy(srcBuf, w * ps * i, tmpBuf, pitch * i, w * ps); 318 tjc.setJPEGQuality(jpegQual); 319 tjc.setSubsamp(subsamp); 320 321 if (doYUV) { 322 yuvImage = new YUVImage(tilew, yuvpad, tileh, subsamp); 323 Arrays.fill(yuvImage.getBuf(), (byte)127); 324 } 325 326 /* Benchmark */ 327 iter = -1; 328 elapsed = elapsedEncode = 0.0; 329 while (true) { 330 int tile = 0; 331 totalJpegSize = 0; 332 start = getTime(); 333 for (int y = 0; y < h; y += tileh) { 334 for (int x = 0; x < w; x += tilew, tile++) { 335 int width = Math.min(tilew, w - x); 336 int height = Math.min(tileh, h - y); 337 tjc.setSourceImage(srcBuf, x, y, width, pitch, height, pf); 338 if (doYUV) { 339 double startEncode = getTime(); 340 yuvImage.setBuf(yuvImage.getBuf(), width, yuvpad, height, 341 subsamp); 342 tjc.encodeYUV(yuvImage, flags); 343 if (iter >= 0) 344 elapsedEncode += getTime() - startEncode; 345 tjc.setSourceImage(yuvImage); 346 } 347 tjc.compress(jpegBuf[tile], flags); 348 jpegSize[tile] = tjc.getCompressedSize(); 349 totalJpegSize += jpegSize[tile]; 350 } 351 } 352 elapsed += getTime() - start; 353 if (iter >= 0) { 354 iter++; 355 if (elapsed >= benchTime) 356 break; 357 } else if (elapsed >= warmup) { 358 iter = 0; 359 elapsed = elapsedEncode = 0.0; 360 } 361 } 362 if (doYUV) 363 elapsed -= elapsedEncode; 364 365 if (quiet == 1) 366 System.out.format("%-5d %-5d ", tilew, tileh); 367 if (quiet != 0) { 368 if (doYUV) 369 System.out.format("%-6s%s", 370 sigFig((double)(w * h) / 1000000. * (double)iter / elapsedEncode, 4), 371 quiet == 2 ? "\n" : " "); 372 System.out.format("%-6s%s", 373 sigFig((double)(w * h) / 1000000. * (double)iter / elapsed, 4), 374 quiet == 2 ? "\n" : " "); 375 System.out.format("%-6s%s", 376 sigFig((double)(w * h * ps) / (double)totalJpegSize, 4), 377 quiet == 2 ? "\n" : " "); 378 } else { 379 System.out.format("\n%s size: %d x %d\n", doTile ? "Tile" : "Image", 380 tilew, tileh); 381 if (doYUV) { 382 System.out.format("Encode YUV --> Frame rate: %f fps\n", 383 (double)iter / elapsedEncode); 384 System.out.format(" Output image size: %d bytes\n", 385 yuvImage.getSize()); 386 System.out.format(" Compression ratio: %f:1\n", 387 (double)(w * h * ps) / (double)yuvImage.getSize()); 388 System.out.format(" Throughput: %f Megapixels/sec\n", 389 (double)(w * h) / 1000000. * (double)iter / elapsedEncode); 390 System.out.format(" Output bit stream: %f Megabits/sec\n", 391 (double)yuvImage.getSize() * 8. / 1000000. * (double)iter / elapsedEncode); 392 } 393 System.out.format("%s --> Frame rate: %f fps\n", 394 doYUV ? "Comp from YUV" : "Compress ", 395 (double)iter / elapsed); 396 System.out.format(" Output image size: %d bytes\n", 397 totalJpegSize); 398 System.out.format(" Compression ratio: %f:1\n", 399 (double)(w * h * ps) / (double)totalJpegSize); 400 System.out.format(" Throughput: %f Megapixels/sec\n", 401 (double)(w * h) / 1000000. * (double)iter / elapsed); 402 System.out.format(" Output bit stream: %f Megabits/sec\n", 403 (double)totalJpegSize * 8. / 1000000. * (double)iter / elapsed); 404 } 405 if (tilew == w && tileh == h && write) { 406 String tempStr = fileName + "_" + subName[subsamp] + "_" + "Q" + 407 jpegQual + ".jpg"; 408 FileOutputStream fos = new FileOutputStream(tempStr); 409 fos.write(jpegBuf[0], 0, jpegSize[0]); 410 fos.close(); 411 if (quiet == 0) 412 System.out.println("Reference image written to " + tempStr); 413 } 414 415 /* Decompression test */ 416 if (!compOnly) 417 decomp(srcBuf, jpegBuf, jpegSize, tmpBuf, w, h, subsamp, jpegQual, 418 fileName, tilew, tileh); 419 420 if (tilew == w && tileh == h) break; 421 } 422 } 423 424 425 static void decompTest(String fileName) throws Exception { 426 TJTransformer tjt; 427 byte[][] jpegBuf = null; 428 byte[] srcBuf; 429 int[] jpegSize = null; 430 int totalJpegSize; 431 int w = 0, h = 0, subsamp = -1, cs = -1, _w, _h, _tilew, _tileh, 432 _ntilesw, _ntilesh, _subsamp, x, y, iter; 433 int ntilesw = 1, ntilesh = 1; 434 double start, elapsed; 435 int ps = TJ.getPixelSize(pf), tile; 436 437 FileInputStream fis = new FileInputStream(fileName); 438 int srcSize = (int)fis.getChannel().size(); 439 srcBuf = new byte[srcSize]; 440 fis.read(srcBuf, 0, srcSize); 441 fis.close(); 442 443 int index = fileName.lastIndexOf('.'); 444 if (index >= 0) 445 fileName = new String(fileName.substring(0, index)); 446 447 tjt = new TJTransformer(); 448 449 tjt.setSourceImage(srcBuf, srcSize); 450 w = tjt.getWidth(); 451 h = tjt.getHeight(); 452 subsamp = tjt.getSubsamp(); 453 cs = tjt.getColorspace(); 454 455 if (quiet == 1) { 456 System.out.println("All performance values in Mpixels/sec\n"); 457 System.out.format("Bitmap JPEG JPEG %s %s Xform Comp Decomp ", 458 (doTile ? "Tile " : "Image"), 459 (doTile ? "Tile " : "Image")); 460 if (doYUV) 461 System.out.print("Decode"); 462 System.out.print("\n"); 463 System.out.print("Format CS Subsamp Width Height Perf Ratio Perf "); 464 if (doYUV) 465 System.out.print("Perf"); 466 System.out.println("\n"); 467 } else if (quiet == 0) 468 System.out.format(">>>>> JPEG %s --> %s (%s) <<<<<\n", 469 formatName(subsamp, cs), pixFormatStr[pf], 470 (flags & TJ.FLAG_BOTTOMUP) != 0 ? "Bottom-up" : "Top-down"); 471 472 for (int tilew = doTile ? 16 : w, tileh = doTile ? 16 : h; ; 473 tilew *= 2, tileh *= 2) { 474 if (tilew > w) 475 tilew = w; 476 if (tileh > h) 477 tileh = h; 478 ntilesw = (w + tilew - 1) / tilew; 479 ntilesh = (h + tileh - 1) / tileh; 480 481 _w = w; _h = h; _tilew = tilew; _tileh = tileh; 482 if (quiet == 0) { 483 System.out.format("\n%s size: %d x %d", (doTile ? "Tile" : "Image"), 484 _tilew, _tileh); 485 if (sf.getNum() != 1 || sf.getDenom() != 1) 486 System.out.format(" --> %d x %d", sf.getScaled(_w), 487 sf.getScaled(_h)); 488 System.out.println(""); 489 } else if (quiet == 1) { 490 System.out.format("%-4s (%s) %-5s %-5s ", pixFormatStr[pf], 491 (flags & TJ.FLAG_BOTTOMUP) != 0 ? "BU" : "TD", 492 csName[cs], subNameLong[subsamp]); 493 System.out.format("%-5d %-5d ", tilew, tileh); 494 } 495 496 _subsamp = subsamp; 497 if (doTile || xformOp != TJTransform.OP_NONE || xformOpt != 0) { 498 if (xformOp == TJTransform.OP_TRANSPOSE || 499 xformOp == TJTransform.OP_TRANSVERSE || 500 xformOp == TJTransform.OP_ROT90 || 501 xformOp == TJTransform.OP_ROT270) { 502 _w = h; _h = w; _tilew = tileh; _tileh = tilew; 503 } 504 505 if ((xformOpt & TJTransform.OPT_GRAY) != 0) 506 _subsamp = TJ.SAMP_GRAY; 507 if (xformOp == TJTransform.OP_HFLIP || 508 xformOp == TJTransform.OP_ROT180) 509 _w = _w - (_w % TJ.getMCUWidth(_subsamp)); 510 if (xformOp == TJTransform.OP_VFLIP || 511 xformOp == TJTransform.OP_ROT180) 512 _h = _h - (_h % TJ.getMCUHeight(_subsamp)); 513 if (xformOp == TJTransform.OP_TRANSVERSE || 514 xformOp == TJTransform.OP_ROT90) 515 _w = _w - (_w % TJ.getMCUHeight(_subsamp)); 516 if (xformOp == TJTransform.OP_TRANSVERSE || 517 xformOp == TJTransform.OP_ROT270) 518 _h = _h - (_h % TJ.getMCUWidth(_subsamp)); 519 _ntilesw = (_w + _tilew - 1) / _tilew; 520 _ntilesh = (_h + _tileh - 1) / _tileh; 521 522 if (xformOp == TJTransform.OP_TRANSPOSE || 523 xformOp == TJTransform.OP_TRANSVERSE || 524 xformOp == TJTransform.OP_ROT90 || 525 xformOp == TJTransform.OP_ROT270) { 526 if (_subsamp == TJ.SAMP_422) 527 _subsamp = TJ.SAMP_440; 528 else if (_subsamp == TJ.SAMP_440) 529 _subsamp = TJ.SAMP_422; 530 } 531 532 TJTransform[] t = new TJTransform[_ntilesw * _ntilesh]; 533 jpegBuf = new byte[_ntilesw * _ntilesh][TJ.bufSize(_tilew, _tileh, subsamp)]; 534 535 for (y = 0, tile = 0; y < _h; y += _tileh) { 536 for (x = 0; x < _w; x += _tilew, tile++) { 537 t[tile] = new TJTransform(); 538 t[tile].width = Math.min(_tilew, _w - x); 539 t[tile].height = Math.min(_tileh, _h - y); 540 t[tile].x = x; 541 t[tile].y = y; 542 t[tile].op = xformOp; 543 t[tile].options = xformOpt | TJTransform.OPT_TRIM; 544 if ((t[tile].options & TJTransform.OPT_NOOUTPUT) != 0 && 545 jpegBuf[tile] != null) 546 jpegBuf[tile] = null; 547 } 548 } 549 550 iter = -1; 551 elapsed = 0.; 552 while (true) { 553 start = getTime(); 554 tjt.transform(jpegBuf, t, flags); 555 jpegSize = tjt.getTransformedSizes(); 556 elapsed += getTime() - start; 557 if (iter >= 0) { 558 iter++; 559 if (elapsed >= benchTime) 560 break; 561 } else if (elapsed >= warmup) { 562 iter = 0; 563 elapsed = 0.0; 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 } 614 615 616 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 <t> = Run each benchmark for <t> seconds (default = 1.0) prior to"); 672 System.out.println(" starting the timer, in order to prime the caches and thus improve the"); 673 System.out.println(" consistency of the results."); 674 System.out.println("-componly = Stop after running compression tests. Do not test decompression."); 675 System.out.println("-nowrite = Do not write reference or output images (improves consistency"); 676 System.out.println(" of performance measurements.)\n"); 677 System.out.println("NOTE: If the quality is specified as a range (e.g. 90-100), a separate"); 678 System.out.println("test will be performed for all quality values in the range.\n"); 679 System.exit(1); 680 } 681 682 683 public static void main(String[] argv) { 684 byte[] srcBuf = null; int w = 0, h = 0; 685 int minQual = -1, maxQual = -1; 686 int minArg = 1; int retval = 0; 687 int subsamp = -1; 688 689 try { 690 691 if (argv.length < minArg) 692 usage(); 693 694 String tempStr = argv[0].toLowerCase(); 695 if (tempStr.endsWith(".jpg") || tempStr.endsWith(".jpeg")) 696 decompOnly = true; 697 698 System.out.println(""); 699 700 if (!decompOnly) { 701 minArg = 2; 702 if (argv.length < minArg) 703 usage(); 704 try { 705 minQual = Integer.parseInt(argv[1]); 706 } catch (NumberFormatException e) {} 707 if (minQual < 1 || minQual > 100) 708 throw new Exception("Quality must be between 1 and 100."); 709 int dashIndex = argv[1].indexOf('-'); 710 if (dashIndex > 0 && argv[1].length() > dashIndex + 1) { 711 try { 712 maxQual = Integer.parseInt(argv[1].substring(dashIndex + 1)); 713 } catch (NumberFormatException e) {} 714 } 715 if (maxQual < 1 || maxQual > 100) 716 maxQual = minQual; 717 } 718 719 if (argv.length > minArg) { 720 for (int i = minArg; i < argv.length; i++) { 721 if (argv[i].equalsIgnoreCase("-tile")) { 722 doTile = true; xformOpt |= TJTransform.OPT_CROP; 723 } 724 else if (argv[i].equalsIgnoreCase("-fastupsample")) { 725 System.out.println("Using fast upsampling code\n"); 726 flags |= TJ.FLAG_FASTUPSAMPLE; 727 } 728 else if (argv[i].equalsIgnoreCase("-fastdct")) { 729 System.out.println("Using fastest DCT/IDCT algorithm\n"); 730 flags |= TJ.FLAG_FASTDCT; 731 } 732 else if (argv[i].equalsIgnoreCase("-accuratedct")) { 733 System.out.println("Using most accurate DCT/IDCT algorithm\n"); 734 flags |= TJ.FLAG_ACCURATEDCT; 735 } 736 else if (argv[i].equalsIgnoreCase("-rgb")) 737 pf = TJ.PF_RGB; 738 else if (argv[i].equalsIgnoreCase("-rgbx")) 739 pf = TJ.PF_RGBX; 740 else if (argv[i].equalsIgnoreCase("-bgr")) 741 pf = TJ.PF_BGR; 742 else if (argv[i].equalsIgnoreCase("-bgrx")) 743 pf = TJ.PF_BGRX; 744 else if (argv[i].equalsIgnoreCase("-xbgr")) 745 pf = TJ.PF_XBGR; 746 else if (argv[i].equalsIgnoreCase("-xrgb")) 747 pf = TJ.PF_XRGB; 748 else if (argv[i].equalsIgnoreCase("-bottomup")) 749 flags |= TJ.FLAG_BOTTOMUP; 750 else if (argv[i].equalsIgnoreCase("-quiet")) 751 quiet = 1; 752 else if (argv[i].equalsIgnoreCase("-qq")) 753 quiet = 2; 754 else if (argv[i].equalsIgnoreCase("-scale") && i < argv.length - 1) { 755 int temp1 = 0, temp2 = 0; 756 boolean match = false, scanned = true; 757 Scanner scanner = new Scanner(argv[++i]).useDelimiter("/"); 758 try { 759 temp1 = scanner.nextInt(); 760 temp2 = scanner.nextInt(); 761 } catch(Exception e) {} 762 if (temp2 <= 0) temp2 = 1; 763 if (temp1 > 0) { 764 TJScalingFactor[] scalingFactors = TJ.getScalingFactors(); 765 for (int j = 0; j < scalingFactors.length; j++) { 766 if ((double)temp1 / (double)temp2 == 767 (double)scalingFactors[j].getNum() / 768 (double)scalingFactors[j].getDenom()) { 769 sf = scalingFactors[j]; 770 match = true; break; 771 } 772 } 773 if (!match) usage(); 774 } else 775 usage(); 776 } 777 else if (argv[i].equalsIgnoreCase("-hflip")) 778 xformOp = TJTransform.OP_HFLIP; 779 else if (argv[i].equalsIgnoreCase("-vflip")) 780 xformOp = TJTransform.OP_VFLIP; 781 else if (argv[i].equalsIgnoreCase("-transpose")) 782 xformOp = TJTransform.OP_TRANSPOSE; 783 else if (argv[i].equalsIgnoreCase("-transverse")) 784 xformOp = TJTransform.OP_TRANSVERSE; 785 else if (argv[i].equalsIgnoreCase("-rot90")) 786 xformOp = TJTransform.OP_ROT90; 787 else if (argv[i].equalsIgnoreCase("-rot180")) 788 xformOp = TJTransform.OP_ROT180; 789 else if (argv[i].equalsIgnoreCase("-rot270")) 790 xformOp = TJTransform.OP_ROT270; 791 else if (argv[i].equalsIgnoreCase("-grayscale")) 792 xformOpt |= TJTransform.OPT_GRAY; 793 else if (argv[i].equalsIgnoreCase("-nooutput")) 794 xformOpt |= TJTransform.OPT_NOOUTPUT; 795 else if (argv[i].equalsIgnoreCase("-benchtime") && i < argv.length - 1) { 796 double temp = -1; 797 try { 798 temp = Double.parseDouble(argv[++i]); 799 } catch (NumberFormatException e) {} 800 if (temp > 0.0) 801 benchTime = temp; 802 else 803 usage(); 804 } 805 else if (argv[i].equalsIgnoreCase("-yuv")) { 806 System.out.println("Testing YUV planar encoding/decoding\n"); 807 doYUV = true; 808 } 809 else if (argv[i].equalsIgnoreCase("-yuvpad") && i < argv.length - 1) { 810 int temp = 0; 811 try { 812 temp = Integer.parseInt(argv[++i]); 813 } catch (NumberFormatException e) {} 814 if (temp >= 1) 815 yuvpad = temp; 816 } 817 else if (argv[i].equalsIgnoreCase("-subsamp") && i < argv.length - 1) { 818 i++; 819 if (argv[i].toUpperCase().startsWith("G")) 820 subsamp = TJ.SAMP_GRAY; 821 else if (argv[i].equals("444")) 822 subsamp = TJ.SAMP_444; 823 else if (argv[i].equals("422")) 824 subsamp = TJ.SAMP_422; 825 else if (argv[i].equals("440")) 826 subsamp = TJ.SAMP_440; 827 else if (argv[i].equals("420")) 828 subsamp = TJ.SAMP_420; 829 else if (argv[i].equals("411")) 830 subsamp = TJ.SAMP_411; 831 } 832 else if (argv[i].equalsIgnoreCase("-componly")) 833 compOnly = true; 834 else if (argv[i].equalsIgnoreCase("-nowrite")) 835 write = false; 836 else if (argv[i].equalsIgnoreCase("-warmup") && i < argv.length - 1) { 837 double temp = -1; 838 try { 839 temp = Double.parseDouble(argv[++i]); 840 } catch (NumberFormatException e) {} 841 if (temp >= 0.0) { 842 warmup = temp; 843 System.out.format("Warmup time = %.1f seconds\n\n", warmup); 844 } else 845 usage(); 846 } 847 else usage(); 848 } 849 } 850 851 if (sf == null) 852 sf = new TJScalingFactor(1, 1); 853 854 if ((sf.getNum() != 1 || sf.getDenom() != 1) && doTile) { 855 System.out.println("Disabling tiled compression/decompression tests, because those tests do not"); 856 System.out.println("work when scaled decompression is enabled."); 857 doTile = false; 858 } 859 860 if (!decompOnly) { 861 int[] width = new int[1], height = new int[1]; 862 srcBuf = loadImage(argv[0], width, height, pf); 863 w = width[0]; h = height[0]; 864 int index = -1; 865 if ((index = argv[0].lastIndexOf('.')) >= 0) 866 argv[0] = argv[0].substring(0, index); 867 } 868 869 if (quiet == 1 && !decompOnly) { 870 System.out.println("All performance values in Mpixels/sec\n"); 871 System.out.format("Bitmap JPEG JPEG %s %s ", 872 (doTile ? "Tile " : "Image"), (doTile ? "Tile " : "Image")); 873 if (doYUV) 874 System.out.print("Encode "); 875 System.out.print("Comp Comp Decomp "); 876 if (doYUV) 877 System.out.print("Decode"); 878 System.out.print("\n"); 879 System.out.print("Format Subsamp Qual Width Height "); 880 if (doYUV) 881 System.out.print("Perf "); 882 System.out.print("Perf Ratio Perf "); 883 if (doYUV) 884 System.out.print("Perf"); 885 System.out.println("\n"); 886 } 887 888 if (decompOnly) { 889 decompTest(argv[0]); 890 System.out.println(""); 891 System.exit(retval); 892 } 893 894 System.gc(); 895 if (subsamp >= 0 && subsamp < TJ.NUMSAMP) { 896 for (int i = maxQual; i >= minQual; i--) 897 fullTest(srcBuf, w, h, subsamp, i, argv[0]); 898 System.out.println(""); 899 } else { 900 for (int i = maxQual; i >= minQual; i--) 901 fullTest(srcBuf, w, h, TJ.SAMP_GRAY, i, argv[0]); 902 System.out.println(""); 903 System.gc(); 904 for (int i = maxQual; i >= minQual; i--) 905 fullTest(srcBuf, w, h, TJ.SAMP_420, i, argv[0]); 906 System.out.println(""); 907 System.gc(); 908 for (int i = maxQual; i >= minQual; i--) 909 fullTest(srcBuf, w, h, TJ.SAMP_422, i, argv[0]); 910 System.out.println(""); 911 System.gc(); 912 for (int i = maxQual; i >= minQual; i--) 913 fullTest(srcBuf, w, h, TJ.SAMP_444, i, argv[0]); 914 System.out.println(""); 915 } 916 917 } catch (Exception e) { 918 System.out.println("ERROR: " + e.getMessage()); 919 e.printStackTrace(); 920 retval = -1; 921 } 922 923 System.exit(retval); 924 } 925 926 } 927
