1 /* 2 * Copyright (C)2009-2014, 2016 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 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 -= warmup; 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 iter++; 188 if (iter >= 1) { 189 elapsed += getTime() - start; 190 if (elapsed >= benchTime) 191 break; 192 } 193 } 194 if(doYUV) 195 elapsed -= elapsedDecode; 196 197 tjd = null; 198 for (i = 0; i < jpegBuf.length; i++) 199 jpegBuf[i] = null; 200 jpegBuf = null; jpegSize = null; 201 System.gc(); 202 203 if (quiet != 0) { 204 System.out.format("%-6s%s", 205 sigFig((double)(w * h) / 1000000. * (double)iter / elapsed, 4), 206 quiet == 2 ? "\n" : " "); 207 if (doYUV) 208 System.out.format("%s\n", 209 sigFig((double)(w * h) / 1000000. * (double)iter / elapsedDecode, 4)); 210 else if (quiet != 2) 211 System.out.print("\n"); 212 } else { 213 System.out.format("%s --> Frame rate: %f fps\n", 214 (doYUV ? "Decomp to YUV":"Decompress "), 215 (double)iter / elapsed); 216 System.out.format(" Throughput: %f Megapixels/sec\n", 217 (double)(w * h) / 1000000. * (double)iter / elapsed); 218 if (doYUV) { 219 System.out.format("YUV Decode --> Frame rate: %f fps\n", 220 (double)iter / elapsedDecode); 221 System.out.format(" Throughput: %f Megapixels/sec\n", 222 (double)(w * h) / 1000000. * (double)iter / elapsedDecode); 223 } 224 } 225 226 if (!write) return; 227 228 if (sf.getNum() != 1 || sf.getDenom() != 1) 229 sizeStr = new String(sf.getNum() + "_" + sf.getDenom()); 230 else if (tilew != w || tileh != h) 231 sizeStr = new String(tilew + "x" + tileh); 232 else 233 sizeStr = new String("full"); 234 if (decompOnly) 235 tempStr = new String(fileName + "_" + sizeStr + ".bmp"); 236 else 237 tempStr = new String(fileName + "_" + subName[subsamp] + qualStr + 238 "_" + sizeStr + ".bmp"); 239 240 saveImage(tempStr, dstBuf, scaledw, scaledh, pf); 241 int ndx = tempStr.lastIndexOf('.'); 242 tempStr = new String(tempStr.substring(0, ndx) + "-err.bmp"); 243 if (srcBuf != null && sf.getNum() == 1 && sf.getDenom() == 1) { 244 if (quiet == 0) 245 System.out.println("Compression error written to " + tempStr + "."); 246 if (subsamp == TJ.SAMP_GRAY) { 247 for (int y = 0, index = 0; y < h; y++, index += pitch) { 248 for (int x = 0, index2 = index; x < w; x++, index2 += ps) { 249 int rindex = index2 + TJ.getRedOffset(pf); 250 int gindex = index2 + TJ.getGreenOffset(pf); 251 int bindex = index2 + TJ.getBlueOffset(pf); 252 int lum = (int)((double)(srcBuf[rindex] & 0xff) * 0.299 + 253 (double)(srcBuf[gindex] & 0xff) * 0.587 + 254 (double)(srcBuf[bindex] & 0xff) * 0.114 + 0.5); 255 if (lum > 255) lum = 255; 256 if (lum < 0) lum = 0; 257 dstBuf[rindex] = (byte)Math.abs((dstBuf[rindex] & 0xff) - lum); 258 dstBuf[gindex] = (byte)Math.abs((dstBuf[gindex] & 0xff) - lum); 259 dstBuf[bindex] = (byte)Math.abs((dstBuf[bindex] & 0xff) - lum); 260 } 261 } 262 } else { 263 for (int y = 0; y < h; y++) 264 for (int x = 0; x < w * ps; x++) 265 dstBuf[pitch * y + x] = 266 (byte)Math.abs((dstBuf[pitch * y + x] & 0xff) - 267 (srcBuf[pitch * y + x] & 0xff)); 268 } 269 saveImage(tempStr, dstBuf, w, h, pf); 270 } 271 } 272 273 274 static void fullTest(byte[] srcBuf, int w, int h, int subsamp, int jpegQual, 275 String fileName) throws Exception { 276 TJCompressor tjc; 277 byte[] tmpBuf; 278 byte[][] jpegBuf; 279 int[] jpegSize; 280 double start, elapsed, elapsedEncode; 281 int totalJpegSize = 0, tilew, tileh, i, iter; 282 int ps = TJ.getPixelSize(pf); 283 int ntilesw = 1, ntilesh = 1, pitch = w * ps; 284 String pfStr = pixFormatStr[pf]; 285 YUVImage yuvImage = null; 286 287 tmpBuf = new byte[pitch * h]; 288 289 if (quiet == 0) 290 System.out.format(">>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n", pfStr, 291 (flags & TJ.FLAG_BOTTOMUP) != 0 ? "Bottom-up" : "Top-down", 292 subNameLong[subsamp], jpegQual); 293 294 tjc = new TJCompressor(); 295 296 for (tilew = doTile ? 8 : w, tileh = doTile ? 8 : h; ; 297 tilew *= 2, tileh *= 2) { 298 if (tilew > w) 299 tilew = w; 300 if (tileh > h) 301 tileh = h; 302 ntilesw = (w + tilew - 1) / tilew; 303 ntilesh = (h + tileh - 1) / tileh; 304 305 jpegBuf = new byte[ntilesw * ntilesh][TJ.bufSize(tilew, tileh, subsamp)]; 306 jpegSize = new int[ntilesw * ntilesh]; 307 308 /* Compression test */ 309 if (quiet == 1) 310 System.out.format("%-4s (%s) %-5s %-3d ", pfStr, 311 (flags & TJ.FLAG_BOTTOMUP) != 0 ? "BU" : "TD", 312 subNameLong[subsamp], jpegQual); 313 for (i = 0; i < h; i++) 314 System.arraycopy(srcBuf, w * ps * i, tmpBuf, pitch * i, w * ps); 315 tjc.setJPEGQuality(jpegQual); 316 tjc.setSubsamp(subsamp); 317 318 if (doYUV) { 319 yuvImage = new YUVImage(tilew, yuvpad, tileh, subsamp); 320 Arrays.fill(yuvImage.getBuf(), (byte)127); 321 } 322 323 /* Benchmark */ 324 iter = -warmup; 325 elapsed = elapsedEncode = 0.0; 326 while (true) { 327 int tile = 0; 328 totalJpegSize = 0; 329 start = getTime(); 330 for (int y = 0; y < h; y += tileh) { 331 for (int x = 0; x < w; x += tilew, tile++) { 332 int width = Math.min(tilew, w - x); 333 int height = Math.min(tileh, h - y); 334 tjc.setSourceImage(srcBuf, x, y, width, pitch, height, pf); 335 if (doYUV) { 336 double startEncode = getTime(); 337 yuvImage.setBuf(yuvImage.getBuf(), width, yuvpad, height, 338 subsamp); 339 tjc.encodeYUV(yuvImage, flags); 340 if (iter >= 0) 341 elapsedEncode += getTime() - startEncode; 342 tjc.setSourceImage(yuvImage); 343 } 344 tjc.compress(jpegBuf[tile], flags); 345 jpegSize[tile] = tjc.getCompressedSize(); 346 totalJpegSize += jpegSize[tile]; 347 } 348 } 349 iter++; 350 if (iter >= 1) { 351 elapsed += getTime() - start; 352 if (elapsed >= benchTime) 353 break; 354 } 355 } 356 if (doYUV) 357 elapsed -= elapsedEncode; 358 359 if (quiet == 1) 360 System.out.format("%-5d %-5d ", tilew, tileh); 361 if (quiet != 0) { 362 if (doYUV) 363 System.out.format("%-6s%s", 364 sigFig((double)(w * h) / 1000000. * (double)iter / elapsedEncode, 4), 365 quiet == 2 ? "\n" : " "); 366 System.out.format("%-6s%s", 367 sigFig((double)(w * h) / 1000000. * (double)iter / elapsed, 4), 368 quiet == 2 ? "\n" : " "); 369 System.out.format("%-6s%s", 370 sigFig((double)(w * h * ps) / (double)totalJpegSize, 4), 371 quiet == 2 ? "\n" : " "); 372 } else { 373 System.out.format("\n%s size: %d x %d\n", doTile ? "Tile" : "Image", 374 tilew, tileh); 375 if (doYUV) { 376 System.out.format("Encode YUV --> Frame rate: %f fps\n", 377 (double)iter / elapsedEncode); 378 System.out.format(" Output image size: %d bytes\n", 379 yuvImage.getSize()); 380 System.out.format(" Compression ratio: %f:1\n", 381 (double)(w * h * ps) / (double)yuvImage.getSize()); 382 System.out.format(" Throughput: %f Megapixels/sec\n", 383 (double)(w * h) / 1000000. * (double)iter / elapsedEncode); 384 System.out.format(" Output bit stream: %f Megabits/sec\n", 385 (double)yuvImage.getSize() * 8. / 1000000. * (double)iter / elapsedEncode); 386 } 387 System.out.format("%s --> Frame rate: %f fps\n", 388 doYUV ? "Comp from YUV" : "Compress ", 389 (double)iter / elapsed); 390 System.out.format(" Output image size: %d bytes\n", 391 totalJpegSize); 392 System.out.format(" Compression ratio: %f:1\n", 393 (double)(w * h * ps) / (double)totalJpegSize); 394 System.out.format(" Throughput: %f Megapixels/sec\n", 395 (double)(w * h) / 1000000. * (double)iter / elapsed); 396 System.out.format(" Output bit stream: %f Megabits/sec\n", 397 (double)totalJpegSize * 8. / 1000000. * (double)iter / elapsed); 398 } 399 if (tilew == w && tileh == h && write) { 400 String tempStr = fileName + "_" + subName[subsamp] + "_" + "Q" + 401 jpegQual + ".jpg"; 402 FileOutputStream fos = new FileOutputStream(tempStr); 403 fos.write(jpegBuf[0], 0, jpegSize[0]); 404 fos.close(); 405 if (quiet == 0) 406 System.out.println("Reference image written to " + tempStr); 407 } 408 409 /* Decompression test */ 410 if (!compOnly) 411 decomp(srcBuf, jpegBuf, jpegSize, tmpBuf, w, h, subsamp, jpegQual, 412 fileName, tilew, tileh); 413 414 if (tilew == w && tileh == h) break; 415 } 416 } 417 418 419 static void decompTest(String fileName) throws Exception { 420 TJTransformer tjt; 421 byte[][] jpegBuf = null; 422 byte[] srcBuf; 423 int[] jpegSize = null; 424 int totalJpegSize; 425 int w = 0, h = 0, subsamp = -1, cs = -1, _w, _h, _tilew, _tileh, 426 _ntilesw, _ntilesh, _subsamp, x, y, iter; 427 int ntilesw = 1, ntilesh = 1; 428 double start, elapsed; 429 int ps = TJ.getPixelSize(pf), tile; 430 431 FileInputStream fis = new FileInputStream(fileName); 432 int srcSize = (int)fis.getChannel().size(); 433 srcBuf = new byte[srcSize]; 434 fis.read(srcBuf, 0, srcSize); 435 fis.close(); 436 437 int index = fileName.lastIndexOf('.'); 438 if (index >= 0) 439 fileName = new String(fileName.substring(0, index)); 440 441 tjt = new TJTransformer(); 442 443 tjt.setSourceImage(srcBuf, srcSize); 444 w = tjt.getWidth(); 445 h = tjt.getHeight(); 446 subsamp = tjt.getSubsamp(); 447 cs = tjt.getColorspace(); 448 449 if (quiet == 1) { 450 System.out.println("All performance values in Mpixels/sec\n"); 451 System.out.format("Bitmap JPEG JPEG %s %s Xform Comp Decomp ", 452 (doTile ? "Tile " : "Image"), 453 (doTile ? "Tile " : "Image")); 454 if (doYUV) 455 System.out.print("Decode"); 456 System.out.print("\n"); 457 System.out.print("Format CS Subsamp Width Height Perf Ratio Perf "); 458 if (doYUV) 459 System.out.print("Perf"); 460 System.out.println("\n"); 461 } else if (quiet == 0) 462 System.out.format(">>>>> JPEG %s --> %s (%s) <<<<<\n", 463 formatName(subsamp, cs), pixFormatStr[pf], 464 (flags & TJ.FLAG_BOTTOMUP) != 0 ? "Bottom-up" : "Top-down"); 465 466 for (int tilew = doTile ? 16 : w, tileh = doTile ? 16 : h; ; 467 tilew *= 2, tileh *= 2) { 468 if (tilew > w) 469 tilew = w; 470 if (tileh > h) 471 tileh = h; 472 ntilesw = (w + tilew - 1) / tilew; 473 ntilesh = (h + tileh - 1) / tileh; 474 475 _w = w; _h = h; _tilew = tilew; _tileh = tileh; 476 if (quiet == 0) { 477 System.out.format("\n%s size: %d x %d", (doTile ? "Tile" : "Image"), 478 _tilew, _tileh); 479 if (sf.getNum() != 1 || sf.getDenom() != 1) 480 System.out.format(" --> %d x %d", sf.getScaled(_w), 481 sf.getScaled(_h)); 482 System.out.println(""); 483 } else if (quiet == 1) { 484 System.out.format("%-4s (%s) %-5s %-5s ", pixFormatStr[pf], 485 (flags & TJ.FLAG_BOTTOMUP) != 0 ? "BU" : "TD", 486 csName[cs], subNameLong[subsamp]); 487 System.out.format("%-5d %-5d ", tilew, tileh); 488 } 489 490 _subsamp = subsamp; 491 if (doTile || xformOp != TJTransform.OP_NONE || xformOpt != 0) { 492 if (xformOp == TJTransform.OP_TRANSPOSE || 493 xformOp == TJTransform.OP_TRANSVERSE || 494 xformOp == TJTransform.OP_ROT90 || 495 xformOp == TJTransform.OP_ROT270) { 496 _w = h; _h = w; _tilew = tileh; _tileh = tilew; 497 } 498 499 if ((xformOpt & TJTransform.OPT_GRAY) != 0) 500 _subsamp = TJ.SAMP_GRAY; 501 if (xformOp == TJTransform.OP_HFLIP || 502 xformOp == TJTransform.OP_ROT180) 503 _w = _w - (_w % TJ.getMCUWidth(_subsamp)); 504 if (xformOp == TJTransform.OP_VFLIP || 505 xformOp == TJTransform.OP_ROT180) 506 _h = _h - (_h % TJ.getMCUHeight(_subsamp)); 507 if (xformOp == TJTransform.OP_TRANSVERSE || 508 xformOp == TJTransform.OP_ROT90) 509 _w = _w - (_w % TJ.getMCUHeight(_subsamp)); 510 if (xformOp == TJTransform.OP_TRANSVERSE || 511 xformOp == TJTransform.OP_ROT270) 512 _h = _h - (_h % TJ.getMCUWidth(_subsamp)); 513 _ntilesw = (_w + _tilew - 1) / _tilew; 514 _ntilesh = (_h + _tileh - 1) / _tileh; 515 516 if (xformOp == TJTransform.OP_TRANSPOSE || 517 xformOp == TJTransform.OP_TRANSVERSE || 518 xformOp == TJTransform.OP_ROT90 || 519 xformOp == TJTransform.OP_ROT270) { 520 if (_subsamp == TJ.SAMP_422) 521 _subsamp = TJ.SAMP_440; 522 else if (_subsamp == TJ.SAMP_440) 523 _subsamp = TJ.SAMP_422; 524 } 525 526 TJTransform[] t = new TJTransform[_ntilesw * _ntilesh]; 527 jpegBuf = new byte[_ntilesw * _ntilesh][TJ.bufSize(_tilew, _tileh, subsamp)]; 528 529 for (y = 0, tile = 0; y < _h; y += _tileh) { 530 for (x = 0; x < _w; x += _tilew, tile++) { 531 t[tile] = new TJTransform(); 532 t[tile].width = Math.min(_tilew, _w - x); 533 t[tile].height = Math.min(_tileh, _h - y); 534 t[tile].x = x; 535 t[tile].y = y; 536 t[tile].op = xformOp; 537 t[tile].options = xformOpt | TJTransform.OPT_TRIM; 538 if ((t[tile].options & TJTransform.OPT_NOOUTPUT) != 0 && 539 jpegBuf[tile] != null) 540 jpegBuf[tile] = null; 541 } 542 } 543 544 iter = -warmup; 545 elapsed = 0.; 546 while (true) { 547 start = getTime(); 548 tjt.transform(jpegBuf, t, flags); 549 jpegSize = tjt.getTransformedSizes(); 550 iter++; 551 if (iter >= 1) { 552 elapsed += getTime() - start; 553 if (elapsed >= benchTime) 554 break; 555 } 556 } 557 t = null; 558 559 for (tile = 0, totalJpegSize = 0; tile < _ntilesw * _ntilesh; tile++) 560 totalJpegSize += jpegSize[tile]; 561 562 if (quiet != 0) { 563 System.out.format("%-6s%s%-6s%s", 564 sigFig((double)(w * h) / 1000000. / elapsed, 4), 565 quiet == 2 ? "\n" : " ", 566 sigFig((double)(w * h * ps) / (double)totalJpegSize, 4), 567 quiet == 2 ? "\n" : " "); 568 } else if (quiet == 0) { 569 System.out.format("Transform --> Frame rate: %f fps\n", 570 1.0 / elapsed); 571 System.out.format(" Output image size: %d bytes\n", 572 totalJpegSize); 573 System.out.format(" Compression ratio: %f:1\n", 574 (double)(w * h * ps) / (double)totalJpegSize); 575 System.out.format(" Throughput: %f Megapixels/sec\n", 576 (double)(w * h) / 1000000. / elapsed); 577 System.out.format(" Output bit stream: %f Megabits/sec\n", 578 (double)totalJpegSize * 8. / 1000000. / elapsed); 579 } 580 } else { 581 if (quiet == 1) 582 System.out.print("N/A N/A "); 583 jpegBuf = new byte[1][TJ.bufSize(_tilew, _tileh, subsamp)]; 584 jpegSize = new int[1]; 585 jpegSize[0] = srcSize; 586 System.arraycopy(srcBuf, 0, jpegBuf[0], 0, srcSize); 587 } 588 589 if (w == tilew) 590 _tilew = _w; 591 if (h == tileh) 592 _tileh = _h; 593 if ((xformOpt & TJTransform.OPT_NOOUTPUT) == 0) 594 decomp(null, jpegBuf, jpegSize, null, _w, _h, _subsamp, 0, 595 fileName, _tilew, _tileh); 596 else if (quiet == 1) 597 System.out.println("N/A"); 598 599 jpegBuf = null; 600 jpegSize = null; 601 602 if (tilew == w && tileh == h) break; 603 } 604 } 605 606 607 static void usage() throws Exception { 608 int i; 609 TJScalingFactor[] scalingFactors = TJ.getScalingFactors(); 610 int nsf = scalingFactors.length; 611 String className = new TJBench().getClass().getName(); 612 613 System.out.println("\nUSAGE: java " + className); 614 System.out.println(" <Inputfile (BMP)> <Quality> [options]\n"); 615 System.out.println(" java " + className); 616 System.out.println(" <Inputfile (JPG)> [options]\n"); 617 System.out.println("Options:\n"); 618 System.out.println("-alloc = Dynamically allocate JPEG image buffers"); 619 System.out.println("-bottomup = Test bottom-up compression/decompression"); 620 System.out.println("-tile = Test performance of the codec when the image is encoded as separate"); 621 System.out.println(" tiles of varying sizes."); 622 System.out.println("-rgb, -bgr, -rgbx, -bgrx, -xbgr, -xrgb ="); 623 System.out.println(" Test the specified color conversion path in the codec (default = BGR)"); 624 System.out.println("-fastupsample = Use the fastest chrominance upsampling algorithm available in"); 625 System.out.println(" the underlying codec"); 626 System.out.println("-fastdct = Use the fastest DCT/IDCT algorithms available in the underlying"); 627 System.out.println(" codec"); 628 System.out.println("-accuratedct = Use the most accurate DCT/IDCT algorithms available in the"); 629 System.out.println(" underlying codec"); 630 System.out.println("-subsamp <s> = When testing JPEG compression, this option specifies the level"); 631 System.out.println(" of chrominance subsampling to use (<s> = 444, 422, 440, 420, 411, or"); 632 System.out.println(" GRAY). The default is to test Grayscale, 4:2:0, 4:2:2, and 4:4:4 in"); 633 System.out.println(" sequence."); 634 System.out.println("-quiet = Output results in tabular rather than verbose format"); 635 System.out.println("-yuv = Test YUV encoding/decoding functions"); 636 System.out.println("-yuvpad <p> = If testing YUV encoding/decoding, this specifies the number of"); 637 System.out.println(" bytes to which each row of each plane in the intermediate YUV image is"); 638 System.out.println(" padded (default = 1)"); 639 System.out.println("-scale M/N = Scale down the width/height of the decompressed JPEG image by a"); 640 System.out.print (" factor of M/N (M/N = "); 641 for (i = 0; i < nsf; i++) { 642 System.out.format("%d/%d", scalingFactors[i].getNum(), 643 scalingFactors[i].getDenom()); 644 if (nsf == 2 && i != nsf - 1) 645 System.out.print(" or "); 646 else if (nsf > 2) { 647 if (i != nsf - 1) 648 System.out.print(", "); 649 if (i == nsf - 2) 650 System.out.print("or "); 651 } 652 if (i % 8 == 0 && i != 0) 653 System.out.print("\n "); 654 } 655 System.out.println(")"); 656 System.out.println("-hflip, -vflip, -transpose, -transverse, -rot90, -rot180, -rot270 ="); 657 System.out.println(" Perform the corresponding lossless transform prior to"); 658 System.out.println(" decompression (these options are mutually exclusive)"); 659 System.out.println("-grayscale = Perform lossless grayscale conversion prior to decompression"); 660 System.out.println(" test (can be combined with the other transforms above)"); 661 System.out.println("-benchtime <t> = Run each benchmark for at least <t> seconds (default = 5.0)"); 662 System.out.println("-warmup <w> = Execute each benchmark <w> times to prime the cache before"); 663 System.out.println(" taking performance measurements (default = 1)"); 664 System.out.println("-componly = Stop after running compression tests. Do not test decompression."); 665 System.out.println("-nowrite = Do not write reference or output images (improves consistency"); 666 System.out.println(" of performance measurements.)\n"); 667 System.out.println("NOTE: If the quality is specified as a range (e.g. 90-100), a separate"); 668 System.out.println("test will be performed for all quality values in the range.\n"); 669 System.exit(1); 670 } 671 672 673 public static void main(String[] argv) { 674 byte[] srcBuf = null; int w = 0, h = 0; 675 int minQual = -1, maxQual = -1; 676 int minArg = 1; int retval = 0; 677 int subsamp = -1; 678 679 try { 680 681 if (argv.length < minArg) 682 usage(); 683 684 String tempStr = argv[0].toLowerCase(); 685 if (tempStr.endsWith(".jpg") || tempStr.endsWith(".jpeg")) 686 decompOnly = true; 687 688 System.out.println(""); 689 690 if (!decompOnly) { 691 minArg = 2; 692 if (argv.length < minArg) 693 usage(); 694 try { 695 minQual = Integer.parseInt(argv[1]); 696 } catch (NumberFormatException e) {} 697 if (minQual < 1 || minQual > 100) 698 throw new Exception("Quality must be between 1 and 100."); 699 int dashIndex = argv[1].indexOf('-'); 700 if (dashIndex > 0 && argv[1].length() > dashIndex + 1) { 701 try { 702 maxQual = Integer.parseInt(argv[1].substring(dashIndex + 1)); 703 } catch (NumberFormatException e) {} 704 } 705 if (maxQual < 1 || maxQual > 100) 706 maxQual = minQual; 707 } 708 709 if (argv.length > minArg) { 710 for (int i = minArg; i < argv.length; i++) { 711 if (argv[i].equalsIgnoreCase("-tile")) { 712 doTile = true; xformOpt |= TJTransform.OPT_CROP; 713 } 714 if (argv[i].equalsIgnoreCase("-fastupsample")) { 715 System.out.println("Using fast upsampling code\n"); 716 flags |= TJ.FLAG_FASTUPSAMPLE; 717 } 718 if (argv[i].equalsIgnoreCase("-fastdct")) { 719 System.out.println("Using fastest DCT/IDCT algorithm\n"); 720 flags |= TJ.FLAG_FASTDCT; 721 } 722 if (argv[i].equalsIgnoreCase("-accuratedct")) { 723 System.out.println("Using most accurate DCT/IDCT algorithm\n"); 724 flags |= TJ.FLAG_ACCURATEDCT; 725 } 726 if (argv[i].equalsIgnoreCase("-rgb")) 727 pf = TJ.PF_RGB; 728 if (argv[i].equalsIgnoreCase("-rgbx")) 729 pf = TJ.PF_RGBX; 730 if (argv[i].equalsIgnoreCase("-bgr")) 731 pf = TJ.PF_BGR; 732 if (argv[i].equalsIgnoreCase("-bgrx")) 733 pf = TJ.PF_BGRX; 734 if (argv[i].equalsIgnoreCase("-xbgr")) 735 pf = TJ.PF_XBGR; 736 if (argv[i].equalsIgnoreCase("-xrgb")) 737 pf = TJ.PF_XRGB; 738 if (argv[i].equalsIgnoreCase("-bottomup")) 739 flags |= TJ.FLAG_BOTTOMUP; 740 if (argv[i].equalsIgnoreCase("-quiet")) 741 quiet = 1; 742 if (argv[i].equalsIgnoreCase("-qq")) 743 quiet = 2; 744 if (argv[i].equalsIgnoreCase("-scale") && i < argv.length - 1) { 745 int temp1 = 0, temp2 = 0; 746 boolean match = false, scanned = true; 747 Scanner scanner = new Scanner(argv[++i]).useDelimiter("/"); 748 try { 749 temp1 = scanner.nextInt(); 750 temp2 = scanner.nextInt(); 751 } catch(Exception e) {} 752 if (temp2 <= 0) temp2 = 1; 753 if (temp1 > 0) { 754 TJScalingFactor[] scalingFactors = TJ.getScalingFactors(); 755 for (int j = 0; j < scalingFactors.length; j++) { 756 if ((double)temp1 / (double)temp2 == 757 (double)scalingFactors[j].getNum() / 758 (double)scalingFactors[j].getDenom()) { 759 sf = scalingFactors[j]; 760 match = true; break; 761 } 762 } 763 if (!match) usage(); 764 } else 765 usage(); 766 } 767 if (argv[i].equalsIgnoreCase("-hflip")) 768 xformOp = TJTransform.OP_HFLIP; 769 if (argv[i].equalsIgnoreCase("-vflip")) 770 xformOp = TJTransform.OP_VFLIP; 771 if (argv[i].equalsIgnoreCase("-transpose")) 772 xformOp = TJTransform.OP_TRANSPOSE; 773 if (argv[i].equalsIgnoreCase("-transverse")) 774 xformOp = TJTransform.OP_TRANSVERSE; 775 if (argv[i].equalsIgnoreCase("-rot90")) 776 xformOp = TJTransform.OP_ROT90; 777 if (argv[i].equalsIgnoreCase("-rot180")) 778 xformOp = TJTransform.OP_ROT180; 779 if (argv[i].equalsIgnoreCase("-rot270")) 780 xformOp = TJTransform.OP_ROT270; 781 if (argv[i].equalsIgnoreCase("-grayscale")) 782 xformOpt |= TJTransform.OPT_GRAY; 783 if (argv[i].equalsIgnoreCase("-nooutput")) 784 xformOpt |= TJTransform.OPT_NOOUTPUT; 785 if (argv[i].equalsIgnoreCase("-benchtime") && i < argv.length - 1) { 786 double temp = -1; 787 try { 788 temp = Double.parseDouble(argv[++i]); 789 } catch (NumberFormatException e) {} 790 if (temp > 0.0) 791 benchTime = temp; 792 else 793 usage(); 794 } 795 if (argv[i].equalsIgnoreCase("-yuv")) { 796 System.out.println("Testing YUV planar encoding/decoding\n"); 797 doYUV = true; 798 } 799 if (argv[i].equalsIgnoreCase("-yuvpad") && i < argv.length - 1) { 800 int temp = 0; 801 try { 802 temp = Integer.parseInt(argv[++i]); 803 } catch (NumberFormatException e) {} 804 if (temp >= 1) 805 yuvpad = temp; 806 } 807 if (argv[i].equalsIgnoreCase("-subsamp") && i < argv.length - 1) { 808 i++; 809 if (argv[i].toUpperCase().startsWith("G")) 810 subsamp = TJ.SAMP_GRAY; 811 else if (argv[i].equals("444")) 812 subsamp = TJ.SAMP_444; 813 else if (argv[i].equals("422")) 814 subsamp = TJ.SAMP_422; 815 else if (argv[i].equals("440")) 816 subsamp = TJ.SAMP_440; 817 else if (argv[i].equals("420")) 818 subsamp = TJ.SAMP_420; 819 else if (argv[i].equals("411")) 820 subsamp = TJ.SAMP_411; 821 } 822 if (argv[i].equalsIgnoreCase("-componly")) 823 compOnly = true; 824 if (argv[i].equalsIgnoreCase("-nowrite")) 825 write = false; 826 if (argv[i].equalsIgnoreCase("-warmup") && i < argv.length - 1) { 827 int temp = -1; 828 try { 829 temp = Integer.parseInt(argv[++i]); 830 } catch (NumberFormatException e) {} 831 if (temp >= 0) { 832 warmup = temp; 833 System.out.format("Warmup runs = %d\n\n", warmup); 834 } 835 } 836 if (argv[i].equalsIgnoreCase("-?")) 837 usage(); 838 } 839 } 840 841 if (sf == null) 842 sf = new TJScalingFactor(1, 1); 843 844 if ((sf.getNum() != 1 || sf.getDenom() != 1) && doTile) { 845 System.out.println("Disabling tiled compression/decompression tests, because those tests do not"); 846 System.out.println("work when scaled decompression is enabled."); 847 doTile = false; 848 } 849 850 if (!decompOnly) { 851 int[] width = new int[1], height = new int[1]; 852 srcBuf = loadImage(argv[0], width, height, pf); 853 w = width[0]; h = height[0]; 854 int index = -1; 855 if ((index = argv[0].lastIndexOf('.')) >= 0) 856 argv[0] = argv[0].substring(0, index); 857 } 858 859 if (quiet == 1 && !decompOnly) { 860 System.out.println("All performance values in Mpixels/sec\n"); 861 System.out.format("Bitmap JPEG JPEG %s %s ", 862 (doTile ? "Tile " : "Image"), (doTile ? "Tile " : "Image")); 863 if (doYUV) 864 System.out.print("Encode "); 865 System.out.print("Comp Comp Decomp "); 866 if (doYUV) 867 System.out.print("Decode"); 868 System.out.print("\n"); 869 System.out.print("Format Subsamp Qual Width Height "); 870 if (doYUV) 871 System.out.print("Perf "); 872 System.out.print("Perf Ratio Perf "); 873 if (doYUV) 874 System.out.print("Perf"); 875 System.out.println("\n"); 876 } 877 878 if (decompOnly) { 879 decompTest(argv[0]); 880 System.out.println(""); 881 System.exit(retval); 882 } 883 884 System.gc(); 885 if (subsamp >= 0 && subsamp < TJ.NUMSAMP) { 886 for (int i = maxQual; i >= minQual; i--) 887 fullTest(srcBuf, w, h, subsamp, i, argv[0]); 888 System.out.println(""); 889 } else { 890 for (int i = maxQual; i >= minQual; i--) 891 fullTest(srcBuf, w, h, TJ.SAMP_GRAY, i, argv[0]); 892 System.out.println(""); 893 System.gc(); 894 for (int i = maxQual; i >= minQual; i--) 895 fullTest(srcBuf, w, h, TJ.SAMP_420, i, argv[0]); 896 System.out.println(""); 897 System.gc(); 898 for (int i = maxQual; i >= minQual; i--) 899 fullTest(srcBuf, w, h, TJ.SAMP_422, i, argv[0]); 900 System.out.println(""); 901 System.gc(); 902 for (int i = maxQual; i >= minQual; i--) 903 fullTest(srcBuf, w, h, TJ.SAMP_444, i, argv[0]); 904 System.out.println(""); 905 } 906 907 } catch (Exception e) { 908 System.out.println("ERROR: " + e.getMessage()); 909 e.printStackTrace(); 910 retval = -1; 911 } 912 913 System.exit(retval); 914 } 915 916 } 917
