/*
* Copyright (C)2009-2019 D. R. Commander. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the libjpeg-turbo Project nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
#include <errno.h>
#include <cdjpeg.h>
#include "./tjutil.h"
#include "./turbojpeg.h"
#define _throw(op, err) { \
printf("ERROR in line %d while %s:\n%s\n", __LINE__, op, err); \
retval = -1; goto bailout; \
}
#define _throwunix(m) _throw(m, strerror(errno))
char tjErrorStr[JMSG_LENGTH_MAX] = "\0", tjErrorMsg[JMSG_LENGTH_MAX] = "\0";
int tjErrorLine = -1, tjErrorCode = -1;
#define _throwtjg(m) { \
printf("ERROR in line %d while %s:\n%s\n", __LINE__, m, \
tjGetErrorStr2(NULL)); \
retval = -1; goto bailout; \
}
#define _throwtj(m) { \
int _tjErrorCode = tjGetErrorCode(handle); \
char *_tjErrorStr = tjGetErrorStr2(handle); \
\
if (!(flags & TJFLAG_STOPONWARNING) && _tjErrorCode == TJERR_WARNING) { \
if (strncmp(tjErrorStr, _tjErrorStr, JMSG_LENGTH_MAX) || \
strncmp(tjErrorMsg, m, JMSG_LENGTH_MAX) || \
tjErrorCode != _tjErrorCode || tjErrorLine != __LINE__) { \
strncpy(tjErrorStr, _tjErrorStr, JMSG_LENGTH_MAX - 1); \
strncpy(tjErrorMsg, m, JMSG_LENGTH_MAX - 1); \
tjErrorCode = _tjErrorCode; \
tjErrorLine = __LINE__; \
printf("WARNING in line %d while %s:\n%s\n", __LINE__, m, _tjErrorStr); \
} \
} else { \
printf("%s in line %d while %s:\n%s\n", \
_tjErrorCode == TJERR_WARNING ? "WARNING" : "ERROR", __LINE__, m, \
_tjErrorStr); \
retval = -1; goto bailout; \
} \
}
int flags = TJFLAG_NOREALLOC, compOnly = 0, decompOnly = 0, doYUV = 0,
quiet = 0, doTile = 0, pf = TJPF_BGR, yuvPad = 1, doWrite = 1;
char *ext = "ppm";
const char *pixFormatStr[TJ_NUMPF] = {
"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "GRAY", "", "", "", "", "CMYK"
};
const char *subNameLong[TJ_NUMSAMP] = {
"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0", "4:1:1"
};
const char *csName[TJ_NUMCS] = {
"RGB", "YCbCr", "GRAY", "CMYK", "YCCK"
};
const char *subName[TJ_NUMSAMP] = {
"444", "422", "420", "GRAY", "440", "411"
};
tjscalingfactor *scalingFactors = NULL, sf = { 1, 1 };
int nsf = 0, xformOp = TJXOP_NONE, xformOpt = 0;
int (*customFilter) (short *, tjregion, tjregion, int, int, tjtransform *);
double benchTime = 5.0, warmup = 1.0;
char *formatName(int subsamp, int cs, char *buf)
{
if (cs == TJCS_YCbCr)
return (char *)subNameLong[subsamp];
else if (cs == TJCS_YCCK || cs == TJCS_CMYK) {
snprintf(buf, 80, "%s %s", csName[cs], subNameLong[subsamp]);
return buf;
} else
return (char *)csName[cs];
}
char *sigfig(double val, int figs, char *buf, int len)
{
char format[80];
int digitsAfterDecimal = figs - (int)ceil(log10(fabs(val)));
if (digitsAfterDecimal < 1)
snprintf(format, 80, "%%.0f");
else
snprintf(format, 80, "%%.%df", digitsAfterDecimal);
snprintf(buf, len, format, val);
return buf;
}
/* Custom DCT filter which produces a negative of the image */
int dummyDCTFilter(short *coeffs, tjregion arrayRegion, tjregion planeRegion,
int componentIndex, int transformIndex,
tjtransform *transform)
{
int i;
for (i = 0; i < arrayRegion.w * arrayRegion.h; i++)
coeffs[i] = -coeffs[i];
return 0;
}
/* Decompression test */
int decomp(unsigned char *srcBuf, unsigned char **jpegBuf,
unsigned long *jpegSize, unsigned char *dstBuf, int w, int h,
int subsamp, int jpegQual, char *fileName, int tilew, int tileh)
{
char tempStr[1024], sizeStr[20] = "\0", qualStr[13] = "\0", *ptr;
FILE *file = NULL;
tjhandle handle = NULL;
int row, col, iter = 0, dstBufAlloc = 0, retval = 0;
double elapsed, elapsedDecode;
int ps = tjPixelSize[pf];
int scaledw = TJSCALED(w, sf);
int scaledh = TJSCALED(h, sf);
int pitch = scaledw * ps;
int ntilesw = (w + tilew - 1) / tilew, ntilesh = (h + tileh - 1) / tileh;
unsigned char *dstPtr, *dstPtr2, *yuvBuf = NULL;
if (jpegQual > 0) {
snprintf(qualStr, 13, "_Q%d", jpegQual);
qualStr[12] = 0;
}
if ((handle = tjInitDecompress()) == NULL)
_throwtj("executing tjInitDecompress()");
if (dstBuf == NULL) {
if ((dstBuf = (unsigned char *)malloc(pitch * scaledh)) == NULL)
_throwunix("allocating destination buffer");
dstBufAlloc = 1;
}
/* Set the destination buffer to gray so we know whether the decompressor
attempted to write to it */
memset(dstBuf, 127, pitch * scaledh);
if (doYUV) {
int width = doTile ? tilew : scaledw;
int height = doTile ? tileh : scaledh;
int yuvSize = tjBufSizeYUV2(width, yuvPad, height, subsamp);
if ((yuvBuf = (unsigned char *)malloc(yuvSize)) == NULL)
_throwunix("allocating YUV buffer");
memset(yuvBuf, 127, yuvSize);
}
/* Benchmark */
iter = -1;
elapsed = elapsedDecode = 0.;
while (1) {
int tile = 0;
double start = getTime();
for (row = 0, dstPtr = dstBuf; row < ntilesh;
row++, dstPtr += pitch * tileh) {
for (col = 0, dstPtr2 = dstPtr; col < ntilesw;
col++, tile++, dstPtr2 += ps * tilew) {
int width = doTile ? min(tilew, w - col * tilew) : scaledw;
int height = doTile ? min(tileh, h - row * tileh) : scaledh;
if (doYUV) {
double startDecode;
if (tjDecompressToYUV2(handle, jpegBuf[tile], jpegSize[tile], yuvBuf,
width, yuvPad, height, flags) == -1)
_throwtj("executing tjDecompressToYUV2()");
startDecode = getTime();
if (tjDecodeYUV(handle, yuvBuf, yuvPad, subsamp, dstPtr2, width,
pitch, height, pf, flags) == -1)
_throwtj("executing tjDecodeYUV()");
if (iter >= 0) elapsedDecode += getTime() - startDecode;
} else if (tjDecompress2(handle, jpegBuf[tile], jpegSize[tile],
dstPtr2, width, pitch, height, pf,
flags) == -1)
_throwtj("executing tjDecompress2()");
}
}
elapsed += getTime() - start;
if (iter >= 0) {
iter++;
if (elapsed >= benchTime) break;
} else if (elapsed >= warmup) {
iter = 0;
elapsed = elapsedDecode = 0.;
}
}
if (doYUV) elapsed -= elapsedDecode;
if (tjDestroy(handle) == -1) _throwtj("executing tjDestroy()");
handle = NULL;
if (quiet) {
printf("%-6s%s",
sigfig((double)(w * h) / 1000000. * (double)iter / elapsed, 4,
tempStr, 1024),
quiet == 2 ? "\n" : " ");
if (doYUV)
printf("%s\n",
sigfig((double)(w * h) / 1000000. * (double)iter / elapsedDecode,
4, tempStr, 1024));
else if (quiet != 2) printf("\n");
} else {
printf("%s --> Frame rate: %f fps\n",
doYUV ? "Decomp to YUV" : "Decompress ", (double)iter / elapsed);
printf(" Throughput: %f Megapixels/sec\n",
(double)(w * h) / 1000000. * (double)iter / elapsed);
if (doYUV) {
printf("YUV Decode --> Frame rate: %f fps\n",
(double)iter / elapsedDecode);
printf(" Throughput: %f Megapixels/sec\n",
(double)(w * h) / 1000000. * (double)iter / elapsedDecode);
}
}
if (!doWrite) goto bailout;
if (sf.num != 1 || sf.denom != 1)
snprintf(sizeStr, 20, "%d_%d", sf.num, sf.denom);
else if (tilew != w || tileh != h)
snprintf(sizeStr, 20, "%dx%d", tilew, tileh);
else snprintf(sizeStr, 20, "full");
if (decompOnly)
snprintf(tempStr, 1024, "%s_%s.%s", fileName, sizeStr, ext);
else
snprintf(tempStr, 1024, "%s_%s%s_%s.%s", fileName, subName[subsamp],
qualStr, sizeStr, ext);
if (tjSaveImage(tempStr, dstBuf, scaledw, 0, scaledh, pf, flags) == -1)
_throwtjg("saving bitmap");
ptr = strrchr(tempStr, '.');
snprintf(ptr, 1024 - (ptr - tempStr), "-err.%s", ext);
if (srcBuf && sf.num == 1 && sf.denom == 1) {
if (!quiet) printf("Compression error written to %s.\n", tempStr);
if (subsamp == TJ_GRAYSCALE) {
int index, index2;
for (row = 0, index = 0; row < h; row++, index += pitch) {
for (col = 0, index2 = index; col < w; col++, index2 += ps) {
int rindex = index2 + tjRedOffset[pf];
int gindex = index2 + tjGreenOffset[pf];
int bindex = index2 + tjBlueOffset[pf];
int y = (int)((double)srcBuf[rindex] * 0.299 +
(double)srcBuf[gindex] * 0.587 +
(double)srcBuf[bindex] * 0.114 + 0.5);
if (y > 255) y = 255;
if (y < 0) y = 0;
dstBuf[rindex] = abs(dstBuf[rindex] - y);
dstBuf[gindex] = abs(dstBuf[gindex] - y);
dstBuf[bindex] = abs(dstBuf[bindex] - y);
}
}
} else {
for (row = 0; row < h; row++)
for (col = 0; col < w * ps; col++)
dstBuf[pitch * row + col] =
abs(dstBuf[pitch * row + col] - srcBuf[pitch * row + col]);
}
if (tjSaveImage(tempStr, dstBuf, w, 0, h, pf, flags) == -1)
_throwtjg("saving bitmap");
}
bailout:
if (file) fclose(file);
if (handle) tjDestroy(handle);
if (dstBuf && dstBufAlloc) free(dstBuf);
if (yuvBuf) free(yuvBuf);
return retval;
}
int fullTest(unsigned char *srcBuf, int w, int h, int subsamp, int jpegQual,
char *fileName)
{
char tempStr[1024], tempStr2[80];
FILE *file = NULL;
tjhandle handle = NULL;
unsigned char **jpegBuf = NULL, *yuvBuf = NULL, *tmpBuf = NULL, *srcPtr,
*srcPtr2;
double start, elapsed, elapsedEncode;
int totalJpegSize = 0, row, col, i, tilew = w, tileh = h, retval = 0;
int iter, yuvSize = 0;
unsigned long *jpegSize = NULL;
int ps = tjPixelSize[pf];
int ntilesw = 1, ntilesh = 1, pitch = w * ps;
const char *pfStr = pixFormatStr[pf];
if ((tmpBuf = (unsigned char *)malloc(pitch * h)) == NULL)
_throwunix("allocating temporary image buffer");
if (!quiet)
printf(">>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n", pfStr,
(flags & TJFLAG_BOTTOMUP) ? "Bottom-up" : "Top-down",
subNameLong[subsamp], jpegQual);
for (tilew = doTile ? 8 : w, tileh = doTile ? 8 : h; ;
tilew *= 2, tileh *= 2) {
if (tilew > w) tilew = w;
if (tileh > h) tileh = h;
ntilesw = (w + tilew - 1) / tilew;
ntilesh = (h + tileh - 1) / tileh;
if ((jpegBuf = (unsigned char **)malloc(sizeof(unsigned char *) *
ntilesw * ntilesh)) == NULL)
_throwunix("allocating JPEG tile array");
memset(jpegBuf, 0, sizeof(unsigned char *) * ntilesw * ntilesh);
if ((jpegSize = (unsigned long *)malloc(sizeof(unsigned long) *
ntilesw * ntilesh)) == NULL)
_throwunix("allocating JPEG size array");
memset(jpegSize, 0, sizeof(unsigned long) * ntilesw * ntilesh);
if ((flags & TJFLAG_NOREALLOC) != 0)
for (i = 0; i < ntilesw * ntilesh; i++) {
if ((jpegBuf[i] = (unsigned char *)
tjAlloc(tjBufSize(tilew, tileh, subsamp))) == NULL)
_throwunix("allocating JPEG tiles");
}
/* Compression test */
if (quiet == 1)
printf("%-4s (%s) %-5s %-3d ", pfStr,
(flags & TJFLAG_BOTTOMUP) ? "BU" : "TD", subNameLong[subsamp],
jpegQual);
for (i = 0; i < h; i++)
memcpy(&tmpBuf[pitch * i], &srcBuf[w * ps * i], w * ps);
if ((handle = tjInitCompress()) == NULL)
_throwtj("executing tjInitCompress()");
if (doYUV) {
yuvSize = tjBufSizeYUV2(tilew, yuvPad, tileh, subsamp);
if ((yuvBuf = (unsigned char *)malloc(yuvSize)) == NULL)
_throwunix("allocating YUV buffer");
memset(yuvBuf, 127, yuvSize);
}
/* Benchmark */
iter = -1;
elapsed = elapsedEncode = 0.;
while (1) {
int tile = 0;
totalJpegSize = 0;
start = getTime();
for (row = 0, srcPtr = srcBuf; row < ntilesh;
row++, srcPtr += pitch * tileh) {
for (col = 0, srcPtr2 = srcPtr; col < ntilesw;
col++, tile++, srcPtr2 += ps * tilew) {
int width = min(tilew, w - col * tilew);
int height = min(tileh, h - row * tileh);
if (doYUV) {
double startEncode = getTime();
if (tjEncodeYUV3(handle, srcPtr2, width, pitch, height, pf, yuvBuf,
yuvPad, subsamp, flags) == -1)
_throwtj("executing tjEncodeYUV3()");
if (iter >= 0) elapsedEncode += getTime() - startEncode;
if (tjCompressFromYUV(handle, yuvBuf, width, yuvPad, height,
subsamp, &jpegBuf[tile], &jpegSize[tile],
jpegQual, flags) == -1)
_throwtj("executing tjCompressFromYUV()");
} else {
if (tjCompress2(handle, srcPtr2, width, pitch, height, pf,
&jpegBuf[tile], &jpegSize[tile], subsamp, jpegQual,
flags) == -1)
_throwtj("executing tjCompress2()");
}
totalJpegSize += jpegSize[tile];
}
}
elapsed += getTime() - start;
if (iter >= 0) {
iter++;
if (elapsed >= benchTime) break;
} else if (elapsed >= warmup) {
iter = 0;
elapsed = elapsedEncode = 0.;
}
}
if (doYUV) elapsed -= elapsedEncode;
if (tjDestroy(handle) == -1) _throwtj("executing tjDestroy()");
handle = NULL;
if (quiet == 1) printf("%-5d %-5d ", tilew, tileh);
if (quiet) {
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: %d 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)
_throwunix("opening reference image");
if (fwrite(jpegBuf[0], jpegSize[0], 1, file) != 1)
_throwunix("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;
}
for (i = 0; i < ntilesw * ntilesh; i++) {
if (jpegBuf[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); file = NULL; }
if (jpegBuf) {
for (i = 0; i < ntilesw * ntilesh; i++) {
if (jpegBuf[i]) tjFree(jpegBuf[i]);
jpegBuf[i] = NULL;
}
free(jpegBuf); jpegBuf = NULL;
}
if (yuvBuf) { free(yuvBuf); yuvBuf = NULL; }
if (jpegSize) { free(jpegSize); jpegSize = NULL; }
if (tmpBuf) { free(tmpBuf); tmpBuf = NULL; }
if (handle) { tjDestroy(handle); handle = NULL; }
return retval;
}
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)
_throwunix("opening file");
if (fseek(file, 0, SEEK_END) < 0 ||
(srcSize = ftell(file)) == (unsigned long)-1)
_throwunix("determining file size");
if ((srcBuf = (unsigned char *)malloc(srcSize)) == NULL)
_throwunix("allocating memory");
if (fseek(file, 0, SEEK_SET) < 0)
_throwunix("setting file position");
if (fread(srcBuf, srcSize, 1, file) < 1)
_throwunix("reading JPEG data");
fclose(file); file = NULL;
temp = strrchr(fileName, '.');
if (temp != NULL) *temp = '\0';
if ((handle = tjInitTransform()) == NULL)
_throwtj("executing tjInitTransform()");
if (tjDecompressHeader3(handle, srcBuf, srcSize, &w, &h, &subsamp,
&cs) == -1)
_throwtj("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)
_throwunix("allocating JPEG tile array");
memset(jpegBuf, 0, sizeof(unsigned char *) * ntilesw * ntilesh);
if ((jpegSize = (unsigned long *)malloc(sizeof(unsigned long) *
ntilesw * ntilesh)) == NULL)
_throwunix("allocating JPEG size array");
memset(jpegSize, 0, sizeof(unsigned long) * ntilesw * ntilesh);
if ((flags & TJFLAG_NOREALLOC) != 0 || !doTile)
for (i = 0; i < ntilesw * ntilesh; i++) {
if ((jpegBuf[i] = (unsigned char *)
tjAlloc(tjBufSize(tilew, tileh, subsamp))) == NULL)
_throwunix("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)
_throwunix("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)
_throwtj("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;
if (jpegSize) { free(jpegSize); jpegSize = NULL; }
if (tilew == w && tileh == h) break;
}
bailout:
if (file) { fclose(file); file = NULL; }
if (jpegBuf) {
for (i = 0; i < ntilesw * ntilesh; i++) {
if (jpegBuf[i]) tjFree(jpegBuf[i]);
jpegBuf[i] = NULL;
}
free(jpegBuf); jpegBuf = NULL;
}
if (jpegSize) { free(jpegSize); jpegSize = NULL; }
if (srcBuf) { free(srcBuf); srcBuf = NULL; }
if (t) { free(t); t = NULL; }
if (handle) { tjDestroy(handle); handle = NULL; }
return retval;
}
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 temp = atof(argv[++i]);
if (temp > 0.0) benchTime = temp;
else usage(argv[0]);
} else if (!strcasecmp(argv[i], "-warmup") && i < argc - 1) {
double temp = atof(argv[++i]);
if (temp >= 0.0) warmup = temp;
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 temp = atoi(argv[++i]);
if (temp >= 1) yuvPad = temp;
} else if (!strcasecmp(argv[i], "-subsamp") && i < argc - 1) {
i++;
if (toupper(argv[i][0]) == 'G') subsamp = TJSAMP_GRAY;
else {
int temp = atoi(argv[i]);
switch (temp) {
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)
_throwtjg("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:
if (srcBuf) tjFree(srcBuf);
return retval;
}