1028 lines
38 KiB
C
1028 lines
38 KiB
C
/*
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* Copyright (C)2009-2019 D. R. Commander. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the libjpeg-turbo Project nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <math.h>
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#include <errno.h>
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#include <limits.h>
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#include <cdjpeg.h>
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#include "./tjutil.h"
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#include "./turbojpeg.h"
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#define THROW(op, err) { \
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printf("ERROR in line %d while %s:\n%s\n", __LINE__, op, err); \
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retval = -1; goto bailout; \
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}
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#define THROW_UNIX(m) THROW(m, strerror(errno))
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char tjErrorStr[JMSG_LENGTH_MAX] = "\0", tjErrorMsg[JMSG_LENGTH_MAX] = "\0";
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int tjErrorLine = -1, tjErrorCode = -1;
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#define THROW_TJG(m) { \
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printf("ERROR in line %d while %s:\n%s\n", __LINE__, m, \
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tjGetErrorStr2(NULL)); \
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retval = -1; goto bailout; \
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}
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#define THROW_TJ(m) { \
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int _tjErrorCode = tjGetErrorCode(handle); \
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char *_tjErrorStr = tjGetErrorStr2(handle); \
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\
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if (!(flags & TJFLAG_STOPONWARNING) && _tjErrorCode == TJERR_WARNING) { \
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if (strncmp(tjErrorStr, _tjErrorStr, JMSG_LENGTH_MAX) || \
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strncmp(tjErrorMsg, m, JMSG_LENGTH_MAX) || \
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tjErrorCode != _tjErrorCode || tjErrorLine != __LINE__) { \
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strncpy(tjErrorStr, _tjErrorStr, JMSG_LENGTH_MAX - 1); \
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strncpy(tjErrorMsg, m, JMSG_LENGTH_MAX - 1); \
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tjErrorCode = _tjErrorCode; \
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tjErrorLine = __LINE__; \
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printf("WARNING in line %d while %s:\n%s\n", __LINE__, m, _tjErrorStr); \
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} \
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} else { \
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printf("%s in line %d while %s:\n%s\n", \
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_tjErrorCode == TJERR_WARNING ? "WARNING" : "ERROR", __LINE__, m, \
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_tjErrorStr); \
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retval = -1; goto bailout; \
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} \
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}
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int flags = TJFLAG_NOREALLOC, compOnly = 0, decompOnly = 0, doYUV = 0,
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quiet = 0, doTile = 0, pf = TJPF_BGR, yuvPad = 1, doWrite = 1;
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char *ext = "ppm";
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const char *pixFormatStr[TJ_NUMPF] = {
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"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "GRAY", "", "", "", "", "CMYK"
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};
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const char *subNameLong[TJ_NUMSAMP] = {
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"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0", "4:1:1"
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};
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const char *csName[TJ_NUMCS] = {
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"RGB", "YCbCr", "GRAY", "CMYK", "YCCK"
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};
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const char *subName[TJ_NUMSAMP] = {
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"444", "422", "420", "GRAY", "440", "411"
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};
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tjscalingfactor *scalingFactors = NULL, sf = { 1, 1 };
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int nsf = 0, xformOp = TJXOP_NONE, xformOpt = 0;
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int (*customFilter) (short *, tjregion, tjregion, int, int, tjtransform *);
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double benchTime = 5.0, warmup = 1.0;
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static char *formatName(int subsamp, int cs, char *buf)
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{
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if (cs == TJCS_YCbCr)
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return (char *)subNameLong[subsamp];
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else if (cs == TJCS_YCCK || cs == TJCS_CMYK) {
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snprintf(buf, 80, "%s %s", csName[cs], subNameLong[subsamp]);
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return buf;
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} else
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return (char *)csName[cs];
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}
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static char *sigfig(double val, int figs, char *buf, int len)
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{
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char format[80];
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int digitsAfterDecimal = figs - (int)ceil(log10(fabs(val)));
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if (digitsAfterDecimal < 1)
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snprintf(format, 80, "%%.0f");
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else
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snprintf(format, 80, "%%.%df", digitsAfterDecimal);
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snprintf(buf, len, format, val);
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return buf;
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}
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/* Custom DCT filter which produces a negative of the image */
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static int dummyDCTFilter(short *coeffs, tjregion arrayRegion,
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tjregion planeRegion, int componentIndex,
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int transformIndex, tjtransform *transform)
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{
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int i;
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for (i = 0; i < arrayRegion.w * arrayRegion.h; i++)
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coeffs[i] = -coeffs[i];
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return 0;
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}
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/* Decompression test */
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static int decomp(unsigned char *srcBuf, unsigned char **jpegBuf,
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unsigned long *jpegSize, unsigned char *dstBuf, int w, int h,
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int subsamp, int jpegQual, char *fileName, int tilew,
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int tileh)
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{
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char tempStr[1024], sizeStr[24] = "\0", qualStr[13] = "\0", *ptr;
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FILE *file = NULL;
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tjhandle handle = NULL;
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int row, col, iter = 0, dstBufAlloc = 0, retval = 0;
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double elapsed, elapsedDecode;
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int ps = tjPixelSize[pf];
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int scaledw = TJSCALED(w, sf);
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int scaledh = TJSCALED(h, sf);
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int pitch = scaledw * ps;
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int ntilesw = (w + tilew - 1) / tilew, ntilesh = (h + tileh - 1) / tileh;
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unsigned char *dstPtr, *dstPtr2, *yuvBuf = NULL;
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if (jpegQual > 0) {
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snprintf(qualStr, 13, "_Q%d", jpegQual);
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qualStr[12] = 0;
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}
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if ((handle = tjInitDecompress()) == NULL)
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THROW_TJ("executing tjInitDecompress()");
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if (dstBuf == NULL) {
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if ((unsigned long long)pitch * (unsigned long long)scaledh >
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(unsigned long long)((size_t)-1))
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THROW("allocating destination buffer", "Image is too large");
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if ((dstBuf = (unsigned char *)malloc((size_t)pitch * scaledh)) == NULL)
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THROW_UNIX("allocating destination buffer");
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dstBufAlloc = 1;
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}
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/* Set the destination buffer to gray so we know whether the decompressor
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attempted to write to it */
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memset(dstBuf, 127, (size_t)pitch * scaledh);
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if (doYUV) {
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int width = doTile ? tilew : scaledw;
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int height = doTile ? tileh : scaledh;
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unsigned long yuvSize = tjBufSizeYUV2(width, yuvPad, height, subsamp);
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if (yuvSize == (unsigned long)-1)
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THROW_TJ("allocating YUV buffer");
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if ((yuvBuf = (unsigned char *)malloc(yuvSize)) == NULL)
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THROW_UNIX("allocating YUV buffer");
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memset(yuvBuf, 127, yuvSize);
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}
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/* Benchmark */
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iter = -1;
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elapsed = elapsedDecode = 0.;
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while (1) {
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int tile = 0;
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double start = getTime();
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for (row = 0, dstPtr = dstBuf; row < ntilesh;
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row++, dstPtr += (size_t)pitch * tileh) {
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for (col = 0, dstPtr2 = dstPtr; col < ntilesw;
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col++, tile++, dstPtr2 += ps * tilew) {
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int width = doTile ? min(tilew, w - col * tilew) : scaledw;
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int height = doTile ? min(tileh, h - row * tileh) : scaledh;
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if (doYUV) {
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double startDecode;
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if (tjDecompressToYUV2(handle, jpegBuf[tile], jpegSize[tile], yuvBuf,
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width, yuvPad, height, flags) == -1)
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THROW_TJ("executing tjDecompressToYUV2()");
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startDecode = getTime();
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if (tjDecodeYUV(handle, yuvBuf, yuvPad, subsamp, dstPtr2, width,
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pitch, height, pf, flags) == -1)
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THROW_TJ("executing tjDecodeYUV()");
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if (iter >= 0) elapsedDecode += getTime() - startDecode;
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} else if (tjDecompress2(handle, jpegBuf[tile], jpegSize[tile],
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dstPtr2, width, pitch, height, pf,
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flags) == -1)
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THROW_TJ("executing tjDecompress2()");
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}
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}
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elapsed += getTime() - start;
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if (iter >= 0) {
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iter++;
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if (elapsed >= benchTime) break;
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} else if (elapsed >= warmup) {
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iter = 0;
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elapsed = elapsedDecode = 0.;
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}
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}
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if (doYUV) elapsed -= elapsedDecode;
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if (tjDestroy(handle) == -1) THROW_TJ("executing tjDestroy()");
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handle = NULL;
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if (quiet) {
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printf("%-6s%s",
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sigfig((double)(w * h) / 1000000. * (double)iter / elapsed, 4,
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tempStr, 1024),
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quiet == 2 ? "\n" : " ");
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if (doYUV)
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printf("%s\n",
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sigfig((double)(w * h) / 1000000. * (double)iter / elapsedDecode,
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4, tempStr, 1024));
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else if (quiet != 2) printf("\n");
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} else {
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printf("%s --> Frame rate: %f fps\n",
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doYUV ? "Decomp to YUV" : "Decompress ", (double)iter / elapsed);
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printf(" Throughput: %f Megapixels/sec\n",
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(double)(w * h) / 1000000. * (double)iter / elapsed);
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if (doYUV) {
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printf("YUV Decode --> Frame rate: %f fps\n",
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(double)iter / elapsedDecode);
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printf(" Throughput: %f Megapixels/sec\n",
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(double)(w * h) / 1000000. * (double)iter / elapsedDecode);
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}
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}
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if (!doWrite) goto bailout;
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if (sf.num != 1 || sf.denom != 1)
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snprintf(sizeStr, 24, "%d_%d", sf.num, sf.denom);
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else if (tilew != w || tileh != h)
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snprintf(sizeStr, 24, "%dx%d", tilew, tileh);
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else snprintf(sizeStr, 24, "full");
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if (decompOnly)
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snprintf(tempStr, 1024, "%s_%s.%s", fileName, sizeStr, ext);
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else
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snprintf(tempStr, 1024, "%s_%s%s_%s.%s", fileName, subName[subsamp],
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qualStr, sizeStr, ext);
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if (tjSaveImage(tempStr, dstBuf, scaledw, 0, scaledh, pf, flags) == -1)
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THROW_TJG("saving bitmap");
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ptr = strrchr(tempStr, '.');
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snprintf(ptr, 1024 - (ptr - tempStr), "-err.%s", ext);
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if (srcBuf && sf.num == 1 && sf.denom == 1) {
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if (!quiet) printf("Compression error written to %s.\n", tempStr);
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if (subsamp == TJ_GRAYSCALE) {
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unsigned long index, index2;
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for (row = 0, index = 0; row < h; row++, index += pitch) {
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for (col = 0, index2 = index; col < w; col++, index2 += ps) {
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unsigned long rindex = index2 + tjRedOffset[pf];
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unsigned long gindex = index2 + tjGreenOffset[pf];
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unsigned long bindex = index2 + tjBlueOffset[pf];
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int y = (int)((double)srcBuf[rindex] * 0.299 +
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(double)srcBuf[gindex] * 0.587 +
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(double)srcBuf[bindex] * 0.114 + 0.5);
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if (y > 255) y = 255;
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if (y < 0) y = 0;
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dstBuf[rindex] = abs(dstBuf[rindex] - y);
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dstBuf[gindex] = abs(dstBuf[gindex] - y);
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dstBuf[bindex] = abs(dstBuf[bindex] - y);
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}
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}
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} else {
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for (row = 0; row < h; row++)
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for (col = 0; col < w * ps; col++)
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dstBuf[pitch * row + col] =
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abs(dstBuf[pitch * row + col] - srcBuf[pitch * row + col]);
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}
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if (tjSaveImage(tempStr, dstBuf, w, 0, h, pf, flags) == -1)
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THROW_TJG("saving bitmap");
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}
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bailout:
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if (file) fclose(file);
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if (handle) tjDestroy(handle);
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if (dstBufAlloc) free(dstBuf);
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free(yuvBuf);
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return retval;
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}
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static int fullTest(unsigned char *srcBuf, int w, int h, int subsamp,
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int jpegQual, char *fileName)
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{
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char tempStr[1024], tempStr2[80];
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FILE *file = NULL;
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tjhandle handle = NULL;
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unsigned char **jpegBuf = NULL, *yuvBuf = NULL, *tmpBuf = NULL, *srcPtr,
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*srcPtr2;
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double start, elapsed, elapsedEncode;
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int totalJpegSize = 0, row, col, i, tilew = w, tileh = h, retval = 0;
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int iter;
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unsigned long *jpegSize = NULL, yuvSize = 0;
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int ps = tjPixelSize[pf];
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int ntilesw = 1, ntilesh = 1, pitch = w * ps;
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const char *pfStr = pixFormatStr[pf];
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if ((unsigned long long)pitch * (unsigned long long)h >
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(unsigned long long)((size_t)-1))
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THROW("allocating temporary image buffer", "Image is too large");
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if ((tmpBuf = (unsigned char *)malloc((size_t)pitch * h)) == NULL)
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THROW_UNIX("allocating temporary image buffer");
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if (!quiet)
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printf(">>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n", pfStr,
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(flags & TJFLAG_BOTTOMUP) ? "Bottom-up" : "Top-down",
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subNameLong[subsamp], jpegQual);
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for (tilew = doTile ? 8 : w, tileh = doTile ? 8 : h; ;
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tilew *= 2, tileh *= 2) {
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if (tilew > w) tilew = w;
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if (tileh > h) tileh = h;
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ntilesw = (w + tilew - 1) / tilew;
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ntilesh = (h + tileh - 1) / tileh;
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if ((jpegBuf = (unsigned char **)malloc(sizeof(unsigned char *) *
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ntilesw * ntilesh)) == NULL)
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THROW_UNIX("allocating JPEG tile array");
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memset(jpegBuf, 0, sizeof(unsigned char *) * ntilesw * ntilesh);
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if ((jpegSize = (unsigned long *)malloc(sizeof(unsigned long) *
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ntilesw * ntilesh)) == NULL)
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THROW_UNIX("allocating JPEG size array");
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memset(jpegSize, 0, sizeof(unsigned long) * ntilesw * ntilesh);
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if ((flags & TJFLAG_NOREALLOC) != 0)
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for (i = 0; i < ntilesw * ntilesh; i++) {
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if (tjBufSize(tilew, tileh, subsamp) > (unsigned long)INT_MAX)
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THROW("getting buffer size", "Image is too large");
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if ((jpegBuf[i] = (unsigned char *)
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tjAlloc(tjBufSize(tilew, tileh, subsamp))) == NULL)
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THROW_UNIX("allocating JPEG tiles");
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}
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/* Compression test */
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if (quiet == 1)
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printf("%-4s (%s) %-5s %-3d ", pfStr,
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(flags & TJFLAG_BOTTOMUP) ? "BU" : "TD", subNameLong[subsamp],
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jpegQual);
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for (i = 0; i < h; i++)
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memcpy(&tmpBuf[pitch * i], &srcBuf[w * ps * i], w * ps);
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if ((handle = tjInitCompress()) == NULL)
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THROW_TJ("executing tjInitCompress()");
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if (doYUV) {
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yuvSize = tjBufSizeYUV2(tilew, yuvPad, tileh, subsamp);
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if (yuvSize == (unsigned long)-1)
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THROW_TJ("allocating YUV buffer");
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if ((yuvBuf = (unsigned char *)malloc(yuvSize)) == NULL)
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THROW_UNIX("allocating YUV buffer");
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memset(yuvBuf, 127, yuvSize);
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}
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/* Benchmark */
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iter = -1;
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elapsed = elapsedEncode = 0.;
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while (1) {
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int tile = 0;
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totalJpegSize = 0;
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start = getTime();
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for (row = 0, srcPtr = srcBuf; row < ntilesh;
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row++, srcPtr += pitch * tileh) {
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for (col = 0, srcPtr2 = srcPtr; col < ntilesw;
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col++, tile++, srcPtr2 += ps * tilew) {
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int width = min(tilew, w - col * tilew);
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int height = min(tileh, h - row * tileh);
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if (doYUV) {
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double startEncode = getTime();
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if (tjEncodeYUV3(handle, srcPtr2, width, pitch, height, pf, yuvBuf,
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yuvPad, subsamp, flags) == -1)
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THROW_TJ("executing tjEncodeYUV3()");
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if (iter >= 0) elapsedEncode += getTime() - startEncode;
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if (tjCompressFromYUV(handle, yuvBuf, width, yuvPad, height,
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subsamp, &jpegBuf[tile], &jpegSize[tile],
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jpegQual, flags) == -1)
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THROW_TJ("executing tjCompressFromYUV()");
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} else {
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if (tjCompress2(handle, srcPtr2, width, pitch, height, pf,
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&jpegBuf[tile], &jpegSize[tile], subsamp, jpegQual,
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flags) == -1)
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THROW_TJ("executing tjCompress2()");
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}
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totalJpegSize += jpegSize[tile];
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}
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}
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elapsed += getTime() - start;
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if (iter >= 0) {
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iter++;
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if (elapsed >= benchTime) break;
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} else if (elapsed >= warmup) {
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iter = 0;
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elapsed = elapsedEncode = 0.;
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}
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}
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if (doYUV) elapsed -= elapsedEncode;
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if (tjDestroy(handle) == -1) THROW_TJ("executing tjDestroy()");
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handle = NULL;
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if (quiet == 1) printf("%-5d %-5d ", tilew, tileh);
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if (quiet) {
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if (doYUV)
|
|
printf("%-6s%s",
|
|
sigfig((double)(w * h) / 1000000. *
|
|
(double)iter / elapsedEncode, 4, tempStr, 1024),
|
|
quiet == 2 ? "\n" : " ");
|
|
printf("%-6s%s",
|
|
sigfig((double)(w * h) / 1000000. * (double)iter / elapsed, 4,
|
|
tempStr, 1024),
|
|
quiet == 2 ? "\n" : " ");
|
|
printf("%-6s%s",
|
|
sigfig((double)(w * h * ps) / (double)totalJpegSize, 4, tempStr2,
|
|
80),
|
|
quiet == 2 ? "\n" : " ");
|
|
} else {
|
|
printf("\n%s size: %d x %d\n", doTile ? "Tile" : "Image", tilew, tileh);
|
|
if (doYUV) {
|
|
printf("Encode YUV --> Frame rate: %f fps\n",
|
|
(double)iter / elapsedEncode);
|
|
printf(" Output image size: %lu bytes\n", yuvSize);
|
|
printf(" Compression ratio: %f:1\n",
|
|
(double)(w * h * ps) / (double)yuvSize);
|
|
printf(" Throughput: %f Megapixels/sec\n",
|
|
(double)(w * h) / 1000000. * (double)iter / elapsedEncode);
|
|
printf(" Output bit stream: %f Megabits/sec\n",
|
|
(double)yuvSize * 8. / 1000000. * (double)iter / elapsedEncode);
|
|
}
|
|
printf("%s --> Frame rate: %f fps\n",
|
|
doYUV ? "Comp from YUV" : "Compress ",
|
|
(double)iter / elapsed);
|
|
printf(" Output image size: %d bytes\n",
|
|
totalJpegSize);
|
|
printf(" Compression ratio: %f:1\n",
|
|
(double)(w * h * ps) / (double)totalJpegSize);
|
|
printf(" Throughput: %f Megapixels/sec\n",
|
|
(double)(w * h) / 1000000. * (double)iter / elapsed);
|
|
printf(" Output bit stream: %f Megabits/sec\n",
|
|
(double)totalJpegSize * 8. / 1000000. * (double)iter / elapsed);
|
|
}
|
|
if (tilew == w && tileh == h && doWrite) {
|
|
snprintf(tempStr, 1024, "%s_%s_Q%d.jpg", fileName, subName[subsamp],
|
|
jpegQual);
|
|
if ((file = fopen(tempStr, "wb")) == NULL)
|
|
THROW_UNIX("opening reference image");
|
|
if (fwrite(jpegBuf[0], jpegSize[0], 1, file) != 1)
|
|
THROW_UNIX("writing reference image");
|
|
fclose(file); file = NULL;
|
|
if (!quiet) printf("Reference image written to %s\n", tempStr);
|
|
}
|
|
|
|
/* Decompression test */
|
|
if (!compOnly) {
|
|
if (decomp(srcBuf, jpegBuf, jpegSize, tmpBuf, w, h, subsamp, jpegQual,
|
|
fileName, tilew, tileh) == -1)
|
|
goto bailout;
|
|
} else if (quiet == 1) printf("N/A\n");
|
|
|
|
for (i = 0; i < ntilesw * ntilesh; i++) {
|
|
tjFree(jpegBuf[i]);
|
|
jpegBuf[i] = NULL;
|
|
}
|
|
free(jpegBuf); jpegBuf = NULL;
|
|
free(jpegSize); jpegSize = NULL;
|
|
if (doYUV) {
|
|
free(yuvBuf); yuvBuf = NULL;
|
|
}
|
|
|
|
if (tilew == w && tileh == h) break;
|
|
}
|
|
|
|
bailout:
|
|
if (file) fclose(file);
|
|
if (jpegBuf) {
|
|
for (i = 0; i < ntilesw * ntilesh; i++)
|
|
tjFree(jpegBuf[i]);
|
|
}
|
|
free(jpegBuf);
|
|
free(yuvBuf);
|
|
free(jpegSize);
|
|
free(tmpBuf);
|
|
if (handle) tjDestroy(handle);
|
|
return retval;
|
|
}
|
|
|
|
|
|
static int decompTest(char *fileName)
|
|
{
|
|
FILE *file = NULL;
|
|
tjhandle handle = NULL;
|
|
unsigned char **jpegBuf = NULL, *srcBuf = NULL;
|
|
unsigned long *jpegSize = NULL, srcSize, totalJpegSize;
|
|
tjtransform *t = NULL;
|
|
double start, elapsed;
|
|
int ps = tjPixelSize[pf], tile, row, col, i, iter, retval = 0, decompsrc = 0;
|
|
char *temp = NULL, tempStr[80], tempStr2[80];
|
|
/* Original image */
|
|
int w = 0, h = 0, tilew, tileh, ntilesw = 1, ntilesh = 1, subsamp = -1,
|
|
cs = -1;
|
|
/* Transformed image */
|
|
int tw, th, ttilew, ttileh, tntilesw, tntilesh, tsubsamp;
|
|
|
|
if ((file = fopen(fileName, "rb")) == NULL)
|
|
THROW_UNIX("opening file");
|
|
if (fseek(file, 0, SEEK_END) < 0 ||
|
|
(srcSize = ftell(file)) == (unsigned long)-1)
|
|
THROW_UNIX("determining file size");
|
|
if ((srcBuf = (unsigned char *)malloc(srcSize)) == NULL)
|
|
THROW_UNIX("allocating memory");
|
|
if (fseek(file, 0, SEEK_SET) < 0)
|
|
THROW_UNIX("setting file position");
|
|
if (fread(srcBuf, srcSize, 1, file) < 1)
|
|
THROW_UNIX("reading JPEG data");
|
|
fclose(file); file = NULL;
|
|
|
|
temp = strrchr(fileName, '.');
|
|
if (temp != NULL) *temp = '\0';
|
|
|
|
if ((handle = tjInitTransform()) == NULL)
|
|
THROW_TJ("executing tjInitTransform()");
|
|
if (tjDecompressHeader3(handle, srcBuf, srcSize, &w, &h, &subsamp,
|
|
&cs) == -1)
|
|
THROW_TJ("executing tjDecompressHeader3()");
|
|
if (w < 1 || h < 1)
|
|
THROW("reading JPEG header", "Invalid image dimensions");
|
|
if (cs == TJCS_YCCK || cs == TJCS_CMYK) {
|
|
pf = TJPF_CMYK; ps = tjPixelSize[pf];
|
|
}
|
|
|
|
if (quiet == 1) {
|
|
printf("All performance values in Mpixels/sec\n\n");
|
|
printf("Bitmap JPEG JPEG %s %s Xform Comp Decomp ",
|
|
doTile ? "Tile " : "Image", doTile ? "Tile " : "Image");
|
|
if (doYUV) printf("Decode");
|
|
printf("\n");
|
|
printf("Format CS Subsamp Width Height Perf Ratio Perf ");
|
|
if (doYUV) printf("Perf");
|
|
printf("\n\n");
|
|
} else if (!quiet)
|
|
printf(">>>>> JPEG %s --> %s (%s) <<<<<\n",
|
|
formatName(subsamp, cs, tempStr), pixFormatStr[pf],
|
|
(flags & TJFLAG_BOTTOMUP) ? "Bottom-up" : "Top-down");
|
|
|
|
for (tilew = doTile ? 16 : w, tileh = doTile ? 16 : h; ;
|
|
tilew *= 2, tileh *= 2) {
|
|
if (tilew > w) tilew = w;
|
|
if (tileh > h) tileh = h;
|
|
ntilesw = (w + tilew - 1) / tilew;
|
|
ntilesh = (h + tileh - 1) / tileh;
|
|
|
|
if ((jpegBuf = (unsigned char **)malloc(sizeof(unsigned char *) *
|
|
ntilesw * ntilesh)) == NULL)
|
|
THROW_UNIX("allocating JPEG tile array");
|
|
memset(jpegBuf, 0, sizeof(unsigned char *) * ntilesw * ntilesh);
|
|
if ((jpegSize = (unsigned long *)malloc(sizeof(unsigned long) *
|
|
ntilesw * ntilesh)) == NULL)
|
|
THROW_UNIX("allocating JPEG size array");
|
|
memset(jpegSize, 0, sizeof(unsigned long) * ntilesw * ntilesh);
|
|
|
|
if ((flags & TJFLAG_NOREALLOC) != 0 &&
|
|
(doTile || xformOp != TJXOP_NONE || xformOpt != 0 || customFilter))
|
|
for (i = 0; i < ntilesw * ntilesh; i++) {
|
|
if (tjBufSize(tilew, tileh, subsamp) > (unsigned long)INT_MAX)
|
|
THROW("getting buffer size", "Image is too large");
|
|
if ((jpegBuf[i] = (unsigned char *)
|
|
tjAlloc(tjBufSize(tilew, tileh, subsamp))) == NULL)
|
|
THROW_UNIX("allocating JPEG tiles");
|
|
}
|
|
|
|
tw = w; th = h; ttilew = tilew; ttileh = tileh;
|
|
if (!quiet) {
|
|
printf("\n%s size: %d x %d", doTile ? "Tile" : "Image", ttilew, ttileh);
|
|
if (sf.num != 1 || sf.denom != 1)
|
|
printf(" --> %d x %d", TJSCALED(tw, sf), TJSCALED(th, sf));
|
|
printf("\n");
|
|
} else if (quiet == 1) {
|
|
printf("%-4s (%s) %-5s %-5s ", pixFormatStr[pf],
|
|
(flags & TJFLAG_BOTTOMUP) ? "BU" : "TD", csName[cs],
|
|
subNameLong[subsamp]);
|
|
printf("%-5d %-5d ", tilew, tileh);
|
|
}
|
|
|
|
tsubsamp = subsamp;
|
|
if (doTile || xformOp != TJXOP_NONE || xformOpt != 0 || customFilter) {
|
|
if ((t = (tjtransform *)malloc(sizeof(tjtransform) * ntilesw *
|
|
ntilesh)) == NULL)
|
|
THROW_UNIX("allocating image transform array");
|
|
|
|
if (xformOp == TJXOP_TRANSPOSE || xformOp == TJXOP_TRANSVERSE ||
|
|
xformOp == TJXOP_ROT90 || xformOp == TJXOP_ROT270) {
|
|
tw = h; th = w; ttilew = tileh; ttileh = tilew;
|
|
}
|
|
|
|
if (xformOpt & TJXOPT_GRAY) tsubsamp = TJ_GRAYSCALE;
|
|
if (xformOp == TJXOP_HFLIP || xformOp == TJXOP_ROT180)
|
|
tw = tw - (tw % tjMCUWidth[tsubsamp]);
|
|
if (xformOp == TJXOP_VFLIP || xformOp == TJXOP_ROT180)
|
|
th = th - (th % tjMCUHeight[tsubsamp]);
|
|
if (xformOp == TJXOP_TRANSVERSE || xformOp == TJXOP_ROT90)
|
|
tw = tw - (tw % tjMCUHeight[tsubsamp]);
|
|
if (xformOp == TJXOP_TRANSVERSE || xformOp == TJXOP_ROT270)
|
|
th = th - (th % tjMCUWidth[tsubsamp]);
|
|
tntilesw = (tw + ttilew - 1) / ttilew;
|
|
tntilesh = (th + ttileh - 1) / ttileh;
|
|
|
|
if (xformOp == TJXOP_TRANSPOSE || xformOp == TJXOP_TRANSVERSE ||
|
|
xformOp == TJXOP_ROT90 || xformOp == TJXOP_ROT270) {
|
|
if (tsubsamp == TJSAMP_422) tsubsamp = TJSAMP_440;
|
|
else if (tsubsamp == TJSAMP_440) tsubsamp = TJSAMP_422;
|
|
}
|
|
|
|
for (row = 0, tile = 0; row < tntilesh; row++) {
|
|
for (col = 0; col < tntilesw; col++, tile++) {
|
|
t[tile].r.w = min(ttilew, tw - col * ttilew);
|
|
t[tile].r.h = min(ttileh, th - row * ttileh);
|
|
t[tile].r.x = col * ttilew;
|
|
t[tile].r.y = row * ttileh;
|
|
t[tile].op = xformOp;
|
|
t[tile].options = xformOpt | TJXOPT_TRIM;
|
|
t[tile].customFilter = customFilter;
|
|
if (t[tile].options & TJXOPT_NOOUTPUT && jpegBuf[tile]) {
|
|
tjFree(jpegBuf[tile]); jpegBuf[tile] = NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
iter = -1;
|
|
elapsed = 0.;
|
|
while (1) {
|
|
start = getTime();
|
|
if (tjTransform(handle, srcBuf, srcSize, tntilesw * tntilesh, jpegBuf,
|
|
jpegSize, t, flags) == -1)
|
|
THROW_TJ("executing tjTransform()");
|
|
elapsed += getTime() - start;
|
|
if (iter >= 0) {
|
|
iter++;
|
|
if (elapsed >= benchTime) break;
|
|
} else if (elapsed >= warmup) {
|
|
iter = 0;
|
|
elapsed = 0.;
|
|
}
|
|
}
|
|
|
|
free(t); t = NULL;
|
|
|
|
for (tile = 0, totalJpegSize = 0; tile < tntilesw * tntilesh; tile++)
|
|
totalJpegSize += jpegSize[tile];
|
|
|
|
if (quiet) {
|
|
printf("%-6s%s%-6s%s",
|
|
sigfig((double)(w * h) / 1000000. / elapsed, 4, tempStr, 80),
|
|
quiet == 2 ? "\n" : " ",
|
|
sigfig((double)(w * h * ps) / (double)totalJpegSize, 4,
|
|
tempStr2, 80),
|
|
quiet == 2 ? "\n" : " ");
|
|
} else if (!quiet) {
|
|
printf("Transform --> Frame rate: %f fps\n",
|
|
1.0 / elapsed);
|
|
printf(" Output image size: %lu bytes\n",
|
|
totalJpegSize);
|
|
printf(" Compression ratio: %f:1\n",
|
|
(double)(w * h * ps) / (double)totalJpegSize);
|
|
printf(" Throughput: %f Megapixels/sec\n",
|
|
(double)(w * h) / 1000000. / elapsed);
|
|
printf(" Output bit stream: %f Megabits/sec\n",
|
|
(double)totalJpegSize * 8. / 1000000. / elapsed);
|
|
}
|
|
} else {
|
|
if (quiet == 1) printf("N/A N/A ");
|
|
tjFree(jpegBuf[0]);
|
|
jpegBuf[0] = NULL;
|
|
decompsrc = 1;
|
|
}
|
|
|
|
if (w == tilew) ttilew = tw;
|
|
if (h == tileh) ttileh = th;
|
|
if (!(xformOpt & TJXOPT_NOOUTPUT)) {
|
|
if (decomp(NULL, decompsrc ? &srcBuf : jpegBuf,
|
|
decompsrc ? &srcSize : jpegSize, NULL, tw, th, tsubsamp, 0,
|
|
fileName, ttilew, ttileh) == -1)
|
|
goto bailout;
|
|
} else if (quiet == 1) printf("N/A\n");
|
|
|
|
for (i = 0; i < ntilesw * ntilesh; i++) {
|
|
tjFree(jpegBuf[i]);
|
|
jpegBuf[i] = NULL;
|
|
}
|
|
free(jpegBuf); jpegBuf = NULL;
|
|
free(jpegSize); jpegSize = NULL;
|
|
|
|
if (tilew == w && tileh == h) break;
|
|
}
|
|
|
|
bailout:
|
|
if (file) fclose(file);
|
|
if (jpegBuf) {
|
|
for (i = 0; i < ntilesw * ntilesh; i++)
|
|
tjFree(jpegBuf[i]);
|
|
}
|
|
free(jpegBuf);
|
|
free(jpegSize);
|
|
free(srcBuf);
|
|
free(t);
|
|
if (handle) { tjDestroy(handle); handle = NULL; }
|
|
return retval;
|
|
}
|
|
|
|
|
|
static void usage(char *progName)
|
|
{
|
|
int i;
|
|
|
|
printf("USAGE: %s\n", progName);
|
|
printf(" <Inputfile (BMP|PPM)> <Quality> [options]\n\n");
|
|
printf(" %s\n", progName);
|
|
printf(" <Inputfile (JPG)> [options]\n\n");
|
|
printf("Options:\n\n");
|
|
printf("-alloc = Dynamically allocate JPEG image buffers\n");
|
|
printf("-bmp = Generate output images in Windows Bitmap format (default = PPM)\n");
|
|
printf("-bottomup = Test bottom-up compression/decompression\n");
|
|
printf("-tile = Test performance of the codec when the image is encoded as separate\n");
|
|
printf(" tiles of varying sizes.\n");
|
|
printf("-rgb, -bgr, -rgbx, -bgrx, -xbgr, -xrgb =\n");
|
|
printf(" Test the specified color conversion path in the codec (default = BGR)\n");
|
|
printf("-cmyk = Indirectly test YCCK JPEG compression/decompression (the source\n");
|
|
printf(" and destination bitmaps are still RGB. The conversion is done\n");
|
|
printf(" internally prior to compression or after decompression.)\n");
|
|
printf("-fastupsample = Use the fastest chrominance upsampling algorithm available in\n");
|
|
printf(" the underlying codec\n");
|
|
printf("-fastdct = Use the fastest DCT/IDCT algorithms available in the underlying\n");
|
|
printf(" codec\n");
|
|
printf("-accuratedct = Use the most accurate DCT/IDCT algorithms available in the\n");
|
|
printf(" underlying codec\n");
|
|
printf("-progressive = Use progressive entropy coding in JPEG images generated by\n");
|
|
printf(" compression and transform operations.\n");
|
|
printf("-subsamp <s> = When testing JPEG compression, this option specifies the level\n");
|
|
printf(" of chrominance subsampling to use (<s> = 444, 422, 440, 420, 411, or\n");
|
|
printf(" GRAY). The default is to test Grayscale, 4:2:0, 4:2:2, and 4:4:4 in\n");
|
|
printf(" sequence.\n");
|
|
printf("-quiet = Output results in tabular rather than verbose format\n");
|
|
printf("-yuv = Test YUV encoding/decoding functions\n");
|
|
printf("-yuvpad <p> = If testing YUV encoding/decoding, this specifies the number of\n");
|
|
printf(" bytes to which each row of each plane in the intermediate YUV image is\n");
|
|
printf(" padded (default = 1)\n");
|
|
printf("-scale M/N = Scale down the width/height of the decompressed JPEG image by a\n");
|
|
printf(" factor of M/N (M/N = ");
|
|
for (i = 0; i < nsf; i++) {
|
|
printf("%d/%d", scalingFactors[i].num, scalingFactors[i].denom);
|
|
if (nsf == 2 && i != nsf - 1) printf(" or ");
|
|
else if (nsf > 2) {
|
|
if (i != nsf - 1) printf(", ");
|
|
if (i == nsf - 2) printf("or ");
|
|
}
|
|
if (i % 8 == 0 && i != 0) printf("\n ");
|
|
}
|
|
printf(")\n");
|
|
printf("-hflip, -vflip, -transpose, -transverse, -rot90, -rot180, -rot270 =\n");
|
|
printf(" Perform the corresponding lossless transform prior to\n");
|
|
printf(" decompression (these options are mutually exclusive)\n");
|
|
printf("-grayscale = Perform lossless grayscale conversion prior to decompression\n");
|
|
printf(" test (can be combined with the other transforms above)\n");
|
|
printf("-copynone = Do not copy any extra markers (including EXIF and ICC profile data)\n");
|
|
printf(" when transforming the image.\n");
|
|
printf("-benchtime <t> = Run each benchmark for at least <t> seconds (default = 5.0)\n");
|
|
printf("-warmup <t> = Run each benchmark for <t> seconds (default = 1.0) prior to\n");
|
|
printf(" starting the timer, in order to prime the caches and thus improve the\n");
|
|
printf(" consistency of the results.\n");
|
|
printf("-componly = Stop after running compression tests. Do not test decompression.\n");
|
|
printf("-nowrite = Do not write reference or output images (improves consistency of\n");
|
|
printf(" performance measurements.)\n");
|
|
printf("-stoponwarning = Immediately discontinue the current\n");
|
|
printf(" compression/decompression/transform operation if the underlying codec\n");
|
|
printf(" throws a warning (non-fatal error)\n\n");
|
|
printf("NOTE: If the quality is specified as a range (e.g. 90-100), a separate\n");
|
|
printf("test will be performed for all quality values in the range.\n\n");
|
|
exit(1);
|
|
}
|
|
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
unsigned char *srcBuf = NULL;
|
|
int w = 0, h = 0, i, j, minQual = -1, maxQual = -1;
|
|
char *temp;
|
|
int minArg = 2, retval = 0, subsamp = -1;
|
|
|
|
if ((scalingFactors = tjGetScalingFactors(&nsf)) == NULL || nsf == 0)
|
|
THROW("executing tjGetScalingFactors()", tjGetErrorStr());
|
|
|
|
if (argc < minArg) usage(argv[0]);
|
|
|
|
temp = strrchr(argv[1], '.');
|
|
if (temp != NULL) {
|
|
if (!strcasecmp(temp, ".bmp")) ext = "bmp";
|
|
if (!strcasecmp(temp, ".jpg") || !strcasecmp(temp, ".jpeg"))
|
|
decompOnly = 1;
|
|
}
|
|
|
|
printf("\n");
|
|
|
|
if (!decompOnly) {
|
|
minArg = 3;
|
|
if (argc < minArg) usage(argv[0]);
|
|
if ((minQual = atoi(argv[2])) < 1 || minQual > 100) {
|
|
puts("ERROR: Quality must be between 1 and 100.");
|
|
exit(1);
|
|
}
|
|
if ((temp = strchr(argv[2], '-')) != NULL && strlen(temp) > 1 &&
|
|
sscanf(&temp[1], "%d", &maxQual) == 1 && maxQual > minQual &&
|
|
maxQual >= 1 && maxQual <= 100) {}
|
|
else maxQual = minQual;
|
|
}
|
|
|
|
if (argc > minArg) {
|
|
for (i = minArg; i < argc; i++) {
|
|
if (!strcasecmp(argv[i], "-tile")) {
|
|
doTile = 1; xformOpt |= TJXOPT_CROP;
|
|
} else if (!strcasecmp(argv[i], "-fastupsample")) {
|
|
printf("Using fast upsampling code\n\n");
|
|
flags |= TJFLAG_FASTUPSAMPLE;
|
|
} else if (!strcasecmp(argv[i], "-fastdct")) {
|
|
printf("Using fastest DCT/IDCT algorithm\n\n");
|
|
flags |= TJFLAG_FASTDCT;
|
|
} else if (!strcasecmp(argv[i], "-accuratedct")) {
|
|
printf("Using most accurate DCT/IDCT algorithm\n\n");
|
|
flags |= TJFLAG_ACCURATEDCT;
|
|
} else if (!strcasecmp(argv[i], "-progressive")) {
|
|
printf("Using progressive entropy coding\n\n");
|
|
flags |= TJFLAG_PROGRESSIVE;
|
|
} else if (!strcasecmp(argv[i], "-rgb"))
|
|
pf = TJPF_RGB;
|
|
else if (!strcasecmp(argv[i], "-rgbx"))
|
|
pf = TJPF_RGBX;
|
|
else if (!strcasecmp(argv[i], "-bgr"))
|
|
pf = TJPF_BGR;
|
|
else if (!strcasecmp(argv[i], "-bgrx"))
|
|
pf = TJPF_BGRX;
|
|
else if (!strcasecmp(argv[i], "-xbgr"))
|
|
pf = TJPF_XBGR;
|
|
else if (!strcasecmp(argv[i], "-xrgb"))
|
|
pf = TJPF_XRGB;
|
|
else if (!strcasecmp(argv[i], "-cmyk"))
|
|
pf = TJPF_CMYK;
|
|
else if (!strcasecmp(argv[i], "-bottomup"))
|
|
flags |= TJFLAG_BOTTOMUP;
|
|
else if (!strcasecmp(argv[i], "-quiet"))
|
|
quiet = 1;
|
|
else if (!strcasecmp(argv[i], "-qq"))
|
|
quiet = 2;
|
|
else if (!strcasecmp(argv[i], "-scale") && i < argc - 1) {
|
|
int temp1 = 0, temp2 = 0, match = 0;
|
|
|
|
if (sscanf(argv[++i], "%d/%d", &temp1, &temp2) == 2) {
|
|
for (j = 0; j < nsf; j++) {
|
|
if ((double)temp1 / (double)temp2 ==
|
|
(double)scalingFactors[j].num /
|
|
(double)scalingFactors[j].denom) {
|
|
sf = scalingFactors[j];
|
|
match = 1; break;
|
|
}
|
|
}
|
|
if (!match) usage(argv[0]);
|
|
} else usage(argv[0]);
|
|
} else if (!strcasecmp(argv[i], "-hflip"))
|
|
xformOp = TJXOP_HFLIP;
|
|
else if (!strcasecmp(argv[i], "-vflip"))
|
|
xformOp = TJXOP_VFLIP;
|
|
else if (!strcasecmp(argv[i], "-transpose"))
|
|
xformOp = TJXOP_TRANSPOSE;
|
|
else if (!strcasecmp(argv[i], "-transverse"))
|
|
xformOp = TJXOP_TRANSVERSE;
|
|
else if (!strcasecmp(argv[i], "-rot90"))
|
|
xformOp = TJXOP_ROT90;
|
|
else if (!strcasecmp(argv[i], "-rot180"))
|
|
xformOp = TJXOP_ROT180;
|
|
else if (!strcasecmp(argv[i], "-rot270"))
|
|
xformOp = TJXOP_ROT270;
|
|
else if (!strcasecmp(argv[i], "-grayscale"))
|
|
xformOpt |= TJXOPT_GRAY;
|
|
else if (!strcasecmp(argv[i], "-custom"))
|
|
customFilter = dummyDCTFilter;
|
|
else if (!strcasecmp(argv[i], "-nooutput"))
|
|
xformOpt |= TJXOPT_NOOUTPUT;
|
|
else if (!strcasecmp(argv[i], "-copynone"))
|
|
xformOpt |= TJXOPT_COPYNONE;
|
|
else if (!strcasecmp(argv[i], "-benchtime") && i < argc - 1) {
|
|
double tempd = atof(argv[++i]);
|
|
|
|
if (tempd > 0.0) benchTime = tempd;
|
|
else usage(argv[0]);
|
|
} else if (!strcasecmp(argv[i], "-warmup") && i < argc - 1) {
|
|
double tempd = atof(argv[++i]);
|
|
|
|
if (tempd >= 0.0) warmup = tempd;
|
|
else usage(argv[0]);
|
|
printf("Warmup time = %.1f seconds\n\n", warmup);
|
|
} else if (!strcasecmp(argv[i], "-alloc"))
|
|
flags &= (~TJFLAG_NOREALLOC);
|
|
else if (!strcasecmp(argv[i], "-bmp"))
|
|
ext = "bmp";
|
|
else if (!strcasecmp(argv[i], "-yuv")) {
|
|
printf("Testing YUV planar encoding/decoding\n\n");
|
|
doYUV = 1;
|
|
} else if (!strcasecmp(argv[i], "-yuvpad") && i < argc - 1) {
|
|
int tempi = atoi(argv[++i]);
|
|
|
|
if (tempi >= 1) yuvPad = tempi;
|
|
} else if (!strcasecmp(argv[i], "-subsamp") && i < argc - 1) {
|
|
i++;
|
|
if (toupper(argv[i][0]) == 'G') subsamp = TJSAMP_GRAY;
|
|
else {
|
|
int tempi = atoi(argv[i]);
|
|
|
|
switch (tempi) {
|
|
case 444: subsamp = TJSAMP_444; break;
|
|
case 422: subsamp = TJSAMP_422; break;
|
|
case 440: subsamp = TJSAMP_440; break;
|
|
case 420: subsamp = TJSAMP_420; break;
|
|
case 411: subsamp = TJSAMP_411; break;
|
|
}
|
|
}
|
|
} else if (!strcasecmp(argv[i], "-componly"))
|
|
compOnly = 1;
|
|
else if (!strcasecmp(argv[i], "-nowrite"))
|
|
doWrite = 0;
|
|
else if (!strcasecmp(argv[i], "-stoponwarning"))
|
|
flags |= TJFLAG_STOPONWARNING;
|
|
else usage(argv[0]);
|
|
}
|
|
}
|
|
|
|
if ((sf.num != 1 || sf.denom != 1) && doTile) {
|
|
printf("Disabling tiled compression/decompression tests, because those tests do not\n");
|
|
printf("work when scaled decompression is enabled.\n");
|
|
doTile = 0;
|
|
}
|
|
|
|
if ((flags & TJFLAG_NOREALLOC) == 0 && doTile) {
|
|
printf("Disabling tiled compression/decompression tests, because those tests do not\n");
|
|
printf("work when dynamic JPEG buffer allocation is enabled.\n\n");
|
|
doTile = 0;
|
|
}
|
|
|
|
if (!decompOnly) {
|
|
if ((srcBuf = tjLoadImage(argv[1], &w, 1, &h, &pf, flags)) == NULL)
|
|
THROW_TJG("loading bitmap");
|
|
temp = strrchr(argv[1], '.');
|
|
if (temp != NULL) *temp = '\0';
|
|
}
|
|
|
|
if (quiet == 1 && !decompOnly) {
|
|
printf("All performance values in Mpixels/sec\n\n");
|
|
printf("Bitmap JPEG JPEG %s %s ",
|
|
doTile ? "Tile " : "Image", doTile ? "Tile " : "Image");
|
|
if (doYUV) printf("Encode ");
|
|
printf("Comp Comp Decomp ");
|
|
if (doYUV) printf("Decode");
|
|
printf("\n");
|
|
printf("Format Subsamp Qual Width Height ");
|
|
if (doYUV) printf("Perf ");
|
|
printf("Perf Ratio Perf ");
|
|
if (doYUV) printf("Perf");
|
|
printf("\n\n");
|
|
}
|
|
|
|
if (decompOnly) {
|
|
decompTest(argv[1]);
|
|
printf("\n");
|
|
goto bailout;
|
|
}
|
|
if (subsamp >= 0 && subsamp < TJ_NUMSAMP) {
|
|
for (i = maxQual; i >= minQual; i--)
|
|
fullTest(srcBuf, w, h, subsamp, i, argv[1]);
|
|
printf("\n");
|
|
} else {
|
|
if (pf != TJPF_CMYK) {
|
|
for (i = maxQual; i >= minQual; i--)
|
|
fullTest(srcBuf, w, h, TJSAMP_GRAY, i, argv[1]);
|
|
printf("\n");
|
|
}
|
|
for (i = maxQual; i >= minQual; i--)
|
|
fullTest(srcBuf, w, h, TJSAMP_420, i, argv[1]);
|
|
printf("\n");
|
|
for (i = maxQual; i >= minQual; i--)
|
|
fullTest(srcBuf, w, h, TJSAMP_422, i, argv[1]);
|
|
printf("\n");
|
|
for (i = maxQual; i >= minQual; i--)
|
|
fullTest(srcBuf, w, h, TJSAMP_444, i, argv[1]);
|
|
printf("\n");
|
|
}
|
|
|
|
bailout:
|
|
tjFree(srcBuf);
|
|
return retval;
|
|
}
|