Files
mozjpeg/tjunittest.c
DRC 00607ec260 Eliminate unnecessary NULL checks before tjFree()
+ document that tjFree() accepts NULL pointers without complaint.
Effectively, it has had that behavior all along, but the API does not
guarantee that tjFree() will be implemented with free() behind the
scenes, so it's best to formalize the behavior.
2020-01-08 14:24:37 -06:00

932 lines
30 KiB
C

/*
* Copyright (C)2009-2014, 2017-2019 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.
*/
/*
* This program tests the various code paths in the TurboJPEG C Wrapper
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "tjutil.h"
#include "turbojpeg.h"
#include "md5/md5.h"
#include "cmyk.h"
#ifdef _WIN32
#include <time.h>
#define random() rand()
#else
#include <unistd.h>
#endif
static void usage(char *progName)
{
printf("\nUSAGE: %s [options]\n\n", progName);
printf("Options:\n");
printf("-yuv = test YUV encoding/decoding support\n");
printf("-noyuvpad = do not pad each line of each Y, U, and V plane to the nearest\n");
printf(" 4-byte boundary\n");
printf("-alloc = test automatic buffer allocation\n");
printf("-bmp = tjLoadImage()/tjSaveImage() unit test\n\n");
exit(1);
}
#define THROW_TJ() { \
printf("TurboJPEG ERROR:\n%s\n", tjGetErrorStr()); \
BAILOUT() \
}
#define TRY_TJ(f) { if ((f) == -1) THROW_TJ(); }
#define THROW(m) { printf("ERROR: %s\n", m); BAILOUT() }
#define THROW_MD5(filename, md5sum, ref) { \
printf("\n%s has an MD5 sum of %s.\n Should be %s.\n", filename, md5sum, \
ref); \
BAILOUT() \
}
const char *subNameLong[TJ_NUMSAMP] = {
"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0", "4:1:1"
};
const char *subName[TJ_NUMSAMP] = {
"444", "422", "420", "GRAY", "440", "411"
};
const char *pixFormatStr[TJ_NUMPF] = {
"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "Grayscale",
"RGBA", "BGRA", "ABGR", "ARGB", "CMYK"
};
const int _3byteFormats[] = { TJPF_RGB, TJPF_BGR };
const int _4byteFormats[] = {
TJPF_RGBX, TJPF_BGRX, TJPF_XBGR, TJPF_XRGB, TJPF_CMYK
};
const int _onlyGray[] = { TJPF_GRAY };
const int _onlyRGB[] = { TJPF_RGB };
int doYUV = 0, alloc = 0, pad = 4;
int exitStatus = 0;
#define BAILOUT() { exitStatus = -1; goto bailout; }
static void initBuf(unsigned char *buf, int w, int h, int pf, int flags)
{
int roffset = tjRedOffset[pf];
int goffset = tjGreenOffset[pf];
int boffset = tjBlueOffset[pf];
int ps = tjPixelSize[pf];
int index, row, col, halfway = 16;
if (pf == TJPF_GRAY) {
memset(buf, 0, w * h * ps);
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
if (flags & TJFLAG_BOTTOMUP) index = (h - row - 1) * w + col;
else index = row * w + col;
if (((row / 8) + (col / 8)) % 2 == 0)
buf[index] = (row < halfway) ? 255 : 0;
else buf[index] = (row < halfway) ? 76 : 226;
}
}
} else if (pf == TJPF_CMYK) {
memset(buf, 255, w * h * ps);
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
if (flags & TJFLAG_BOTTOMUP) index = (h - row - 1) * w + col;
else index = row * w + col;
if (((row / 8) + (col / 8)) % 2 == 0) {
if (row >= halfway) buf[index * ps + 3] = 0;
} else {
buf[index * ps + 2] = 0;
if (row < halfway) buf[index * ps + 1] = 0;
}
}
}
} else {
memset(buf, 0, w * h * ps);
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
if (flags & TJFLAG_BOTTOMUP) index = (h - row - 1) * w + col;
else index = row * w + col;
if (((row / 8) + (col / 8)) % 2 == 0) {
if (row < halfway) {
buf[index * ps + roffset] = 255;
buf[index * ps + goffset] = 255;
buf[index * ps + boffset] = 255;
}
} else {
buf[index * ps + roffset] = 255;
if (row >= halfway) buf[index * ps + goffset] = 255;
}
}
}
}
}
#define CHECKVAL(v, cv) { \
if (v < cv - 1 || v > cv + 1) { \
printf("\nComp. %s at %d,%d should be %d, not %d\n", #v, row, col, cv, \
v); \
retval = 0; exitStatus = -1; goto bailout; \
} \
}
#define CHECKVAL0(v) { \
if (v > 1) { \
printf("\nComp. %s at %d,%d should be 0, not %d\n", #v, row, col, v); \
retval = 0; exitStatus = -1; goto bailout; \
} \
}
#define CHECKVAL255(v) { \
if (v < 254) { \
printf("\nComp. %s at %d,%d should be 255, not %d\n", #v, row, col, v); \
retval = 0; exitStatus = -1; goto bailout; \
} \
}
static int checkBuf(unsigned char *buf, int w, int h, int pf, int subsamp,
tjscalingfactor sf, int flags)
{
int roffset = tjRedOffset[pf];
int goffset = tjGreenOffset[pf];
int boffset = tjBlueOffset[pf];
int aoffset = tjAlphaOffset[pf];
int ps = tjPixelSize[pf];
int index, row, col, retval = 1;
int halfway = 16 * sf.num / sf.denom;
int blocksize = 8 * sf.num / sf.denom;
if (pf == TJPF_GRAY) roffset = goffset = boffset = 0;
if (pf == TJPF_CMYK) {
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
unsigned char c, m, y, k;
if (flags & TJFLAG_BOTTOMUP) index = (h - row - 1) * w + col;
else index = row * w + col;
c = buf[index * ps];
m = buf[index * ps + 1];
y = buf[index * ps + 2];
k = buf[index * ps + 3];
if (((row / blocksize) + (col / blocksize)) % 2 == 0) {
CHECKVAL255(c); CHECKVAL255(m); CHECKVAL255(y);
if (row < halfway) CHECKVAL255(k)
else CHECKVAL0(k)
} else {
CHECKVAL255(c); CHECKVAL0(y); CHECKVAL255(k);
if (row < halfway) CHECKVAL0(m)
else CHECKVAL255(m)
}
}
}
return 1;
}
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
unsigned char r, g, b, a;
if (flags & TJFLAG_BOTTOMUP) index = (h - row - 1) * w + col;
else index = row * w + col;
r = buf[index * ps + roffset];
g = buf[index * ps + goffset];
b = buf[index * ps + boffset];
a = aoffset >= 0 ? buf[index * ps + aoffset] : 0xFF;
if (((row / blocksize) + (col / blocksize)) % 2 == 0) {
if (row < halfway) {
CHECKVAL255(r); CHECKVAL255(g); CHECKVAL255(b);
} else {
CHECKVAL0(r); CHECKVAL0(g); CHECKVAL0(b);
}
} else {
if (subsamp == TJSAMP_GRAY) {
if (row < halfway) {
CHECKVAL(r, 76); CHECKVAL(g, 76); CHECKVAL(b, 76);
} else {
CHECKVAL(r, 226); CHECKVAL(g, 226); CHECKVAL(b, 226);
}
} else {
if (row < halfway) {
CHECKVAL255(r); CHECKVAL0(g); CHECKVAL0(b);
} else {
CHECKVAL255(r); CHECKVAL255(g); CHECKVAL0(b);
}
}
}
CHECKVAL255(a);
}
}
bailout:
if (retval == 0) {
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
if (pf == TJPF_CMYK)
printf("%.3d/%.3d/%.3d/%.3d ", buf[(row * w + col) * ps],
buf[(row * w + col) * ps + 1], buf[(row * w + col) * ps + 2],
buf[(row * w + col) * ps + 3]);
else
printf("%.3d/%.3d/%.3d ", buf[(row * w + col) * ps + roffset],
buf[(row * w + col) * ps + goffset],
buf[(row * w + col) * ps + boffset]);
}
printf("\n");
}
}
return retval;
}
#define PAD(v, p) ((v + (p) - 1) & (~((p) - 1)))
static int checkBufYUV(unsigned char *buf, int w, int h, int subsamp,
tjscalingfactor sf)
{
int row, col;
int hsf = tjMCUWidth[subsamp] / 8, vsf = tjMCUHeight[subsamp] / 8;
int pw = PAD(w, hsf), ph = PAD(h, vsf);
int cw = pw / hsf, ch = ph / vsf;
int ypitch = PAD(pw, pad), uvpitch = PAD(cw, pad);
int retval = 1;
int halfway = 16 * sf.num / sf.denom;
int blocksize = 8 * sf.num / sf.denom;
for (row = 0; row < ph; row++) {
for (col = 0; col < pw; col++) {
unsigned char y = buf[ypitch * row + col];
if (((row / blocksize) + (col / blocksize)) % 2 == 0) {
if (row < halfway) CHECKVAL255(y)
else CHECKVAL0(y);
} else {
if (row < halfway) CHECKVAL(y, 76)
else CHECKVAL(y, 226);
}
}
}
if (subsamp != TJSAMP_GRAY) {
halfway = 16 / vsf * sf.num / sf.denom;
for (row = 0; row < ch; row++) {
for (col = 0; col < cw; col++) {
unsigned char u = buf[ypitch * ph + (uvpitch * row + col)],
v = buf[ypitch * ph + uvpitch * ch + (uvpitch * row + col)];
if (((row * vsf / blocksize) + (col * hsf / blocksize)) % 2 == 0) {
CHECKVAL(u, 128); CHECKVAL(v, 128);
} else {
if (row < halfway) {
CHECKVAL(u, 85); CHECKVAL255(v);
} else {
CHECKVAL0(u); CHECKVAL(v, 149);
}
}
}
}
}
bailout:
if (retval == 0) {
for (row = 0; row < ph; row++) {
for (col = 0; col < pw; col++)
printf("%.3d ", buf[ypitch * row + col]);
printf("\n");
}
printf("\n");
for (row = 0; row < ch; row++) {
for (col = 0; col < cw; col++)
printf("%.3d ", buf[ypitch * ph + (uvpitch * row + col)]);
printf("\n");
}
printf("\n");
for (row = 0; row < ch; row++) {
for (col = 0; col < cw; col++)
printf("%.3d ",
buf[ypitch * ph + uvpitch * ch + (uvpitch * row + col)]);
printf("\n");
}
}
return retval;
}
static void writeJPEG(unsigned char *jpegBuf, unsigned long jpegSize,
char *filename)
{
FILE *file = fopen(filename, "wb");
if (!file || fwrite(jpegBuf, jpegSize, 1, file) != 1) {
printf("ERROR: Could not write to %s.\n%s\n", filename, strerror(errno));
BAILOUT()
}
bailout:
if (file) fclose(file);
}
static void compTest(tjhandle handle, unsigned char **dstBuf,
unsigned long *dstSize, int w, int h, int pf,
char *basename, int subsamp, int jpegQual, int flags)
{
char tempStr[1024];
unsigned char *srcBuf = NULL, *yuvBuf = NULL;
const char *pfStr = pixFormatStr[pf];
const char *buStrLong =
(flags & TJFLAG_BOTTOMUP) ? "Bottom-Up" : "Top-Down ";
const char *buStr = (flags & TJFLAG_BOTTOMUP) ? "BU" : "TD";
if ((srcBuf = (unsigned char *)malloc(w * h * tjPixelSize[pf])) == NULL)
THROW("Memory allocation failure");
initBuf(srcBuf, w, h, pf, flags);
if (*dstBuf && *dstSize > 0) memset(*dstBuf, 0, *dstSize);
if (!alloc) flags |= TJFLAG_NOREALLOC;
if (doYUV) {
unsigned long yuvSize = tjBufSizeYUV2(w, pad, h, subsamp);
tjscalingfactor sf = { 1, 1 };
tjhandle handle2 = tjInitCompress();
if (!handle2) THROW_TJ();
if ((yuvBuf = (unsigned char *)malloc(yuvSize)) == NULL)
THROW("Memory allocation failure");
memset(yuvBuf, 0, yuvSize);
printf("%s %s -> YUV %s ... ", pfStr, buStrLong, subNameLong[subsamp]);
TRY_TJ(tjEncodeYUV3(handle2, srcBuf, w, 0, h, pf, yuvBuf, pad, subsamp,
flags));
tjDestroy(handle2);
if (checkBufYUV(yuvBuf, w, h, subsamp, sf)) printf("Passed.\n");
else printf("FAILED!\n");
printf("YUV %s %s -> JPEG Q%d ... ", subNameLong[subsamp], buStrLong,
jpegQual);
TRY_TJ(tjCompressFromYUV(handle, yuvBuf, w, pad, h, subsamp, dstBuf,
dstSize, jpegQual, flags));
} else {
printf("%s %s -> %s Q%d ... ", pfStr, buStrLong, subNameLong[subsamp],
jpegQual);
TRY_TJ(tjCompress2(handle, srcBuf, w, 0, h, pf, dstBuf, dstSize, subsamp,
jpegQual, flags));
}
snprintf(tempStr, 1024, "%s_enc_%s_%s_%s_Q%d.jpg", basename, pfStr, buStr,
subName[subsamp], jpegQual);
writeJPEG(*dstBuf, *dstSize, tempStr);
printf("Done.\n Result in %s\n", tempStr);
bailout:
free(yuvBuf);
free(srcBuf);
}
static void _decompTest(tjhandle handle, unsigned char *jpegBuf,
unsigned long jpegSize, int w, int h, int pf,
char *basename, int subsamp, int flags,
tjscalingfactor sf)
{
unsigned char *dstBuf = NULL, *yuvBuf = NULL;
int _hdrw = 0, _hdrh = 0, _hdrsubsamp = -1;
int scaledWidth = TJSCALED(w, sf);
int scaledHeight = TJSCALED(h, sf);
unsigned long dstSize = 0;
TRY_TJ(tjDecompressHeader2(handle, jpegBuf, jpegSize, &_hdrw, &_hdrh,
&_hdrsubsamp));
if (_hdrw != w || _hdrh != h || _hdrsubsamp != subsamp)
THROW("Incorrect JPEG header");
dstSize = scaledWidth * scaledHeight * tjPixelSize[pf];
if ((dstBuf = (unsigned char *)malloc(dstSize)) == NULL)
THROW("Memory allocation failure");
memset(dstBuf, 0, dstSize);
if (doYUV) {
unsigned long yuvSize = tjBufSizeYUV2(scaledWidth, pad, scaledHeight,
subsamp);
tjhandle handle2 = tjInitDecompress();
if (!handle2) THROW_TJ();
if ((yuvBuf = (unsigned char *)malloc(yuvSize)) == NULL)
THROW("Memory allocation failure");
memset(yuvBuf, 0, yuvSize);
printf("JPEG -> YUV %s ", subNameLong[subsamp]);
if (sf.num != 1 || sf.denom != 1)
printf("%d/%d ... ", sf.num, sf.denom);
else printf("... ");
TRY_TJ(tjDecompressToYUV2(handle, jpegBuf, jpegSize, yuvBuf, scaledWidth,
pad, scaledHeight, flags));
if (checkBufYUV(yuvBuf, scaledWidth, scaledHeight, subsamp, sf))
printf("Passed.\n");
else printf("FAILED!\n");
printf("YUV %s -> %s %s ... ", subNameLong[subsamp], pixFormatStr[pf],
(flags & TJFLAG_BOTTOMUP) ? "Bottom-Up" : "Top-Down ");
TRY_TJ(tjDecodeYUV(handle2, yuvBuf, pad, subsamp, dstBuf, scaledWidth, 0,
scaledHeight, pf, flags));
tjDestroy(handle2);
} else {
printf("JPEG -> %s %s ", pixFormatStr[pf],
(flags & TJFLAG_BOTTOMUP) ? "Bottom-Up" : "Top-Down ");
if (sf.num != 1 || sf.denom != 1)
printf("%d/%d ... ", sf.num, sf.denom);
else printf("... ");
TRY_TJ(tjDecompress2(handle, jpegBuf, jpegSize, dstBuf, scaledWidth, 0,
scaledHeight, pf, flags));
}
if (checkBuf(dstBuf, scaledWidth, scaledHeight, pf, subsamp, sf, flags))
printf("Passed.");
else printf("FAILED!");
printf("\n");
bailout:
free(yuvBuf);
free(dstBuf);
}
static void decompTest(tjhandle handle, unsigned char *jpegBuf,
unsigned long jpegSize, int w, int h, int pf,
char *basename, int subsamp, int flags)
{
int i, n = 0;
tjscalingfactor *sf = tjGetScalingFactors(&n);
if (!sf || !n) THROW_TJ();
for (i = 0; i < n; i++) {
if (subsamp == TJSAMP_444 || subsamp == TJSAMP_GRAY ||
(subsamp == TJSAMP_411 && sf[i].num == 1 &&
(sf[i].denom == 2 || sf[i].denom == 1)) ||
(subsamp != TJSAMP_411 && sf[i].num == 1 &&
(sf[i].denom == 4 || sf[i].denom == 2 || sf[i].denom == 1)))
_decompTest(handle, jpegBuf, jpegSize, w, h, pf, basename, subsamp,
flags, sf[i]);
}
bailout:
return;
}
static void doTest(int w, int h, const int *formats, int nformats, int subsamp,
char *basename)
{
tjhandle chandle = NULL, dhandle = NULL;
unsigned char *dstBuf = NULL;
unsigned long size = 0;
int pfi, pf, i;
if (!alloc)
size = tjBufSize(w, h, subsamp);
if (size != 0)
if ((dstBuf = (unsigned char *)tjAlloc(size)) == NULL)
THROW("Memory allocation failure.");
if ((chandle = tjInitCompress()) == NULL ||
(dhandle = tjInitDecompress()) == NULL)
THROW_TJ();
for (pfi = 0; pfi < nformats; pfi++) {
for (i = 0; i < 2; i++) {
int flags = 0;
if (subsamp == TJSAMP_422 || subsamp == TJSAMP_420 ||
subsamp == TJSAMP_440 || subsamp == TJSAMP_411)
flags |= TJFLAG_FASTUPSAMPLE;
if (i == 1) flags |= TJFLAG_BOTTOMUP;
pf = formats[pfi];
compTest(chandle, &dstBuf, &size, w, h, pf, basename, subsamp, 100,
flags);
decompTest(dhandle, dstBuf, size, w, h, pf, basename, subsamp, flags);
if (pf >= TJPF_RGBX && pf <= TJPF_XRGB) {
printf("\n");
decompTest(dhandle, dstBuf, size, w, h, pf + (TJPF_RGBA - TJPF_RGBX),
basename, subsamp, flags);
}
printf("\n");
}
}
printf("--------------------\n\n");
bailout:
if (chandle) tjDestroy(chandle);
if (dhandle) tjDestroy(dhandle);
tjFree(dstBuf);
}
#if SIZEOF_SIZE_T == 8
#define CHECKSIZE(function) { \
if ((unsigned long long)size < (unsigned long long)0xFFFFFFFF) \
THROW(#function " overflow"); \
}
#else
#define CHECKSIZE(function) { \
if (size != (unsigned long)(-1) || \
!strcmp(tjGetErrorStr2(NULL), "No error")) \
THROW(#function " overflow"); \
}
#endif
static void overflowTest(void)
{
/* Ensure that the various buffer size functions don't overflow */
unsigned long size;
size = tjBufSize(26755, 26755, TJSAMP_444);
CHECKSIZE(tjBufSize());
size = TJBUFSIZE(26755, 26755);
CHECKSIZE(TJBUFSIZE());
size = tjBufSizeYUV2(37838, 1, 37838, TJSAMP_444);
CHECKSIZE(tjBufSizeYUV2());
size = TJBUFSIZEYUV(37838, 37838, TJSAMP_444);
CHECKSIZE(TJBUFSIZEYUV());
size = tjBufSizeYUV(37838, 37838, TJSAMP_444);
CHECKSIZE(tjBufSizeYUV());
size = tjPlaneSizeYUV(0, 65536, 0, 65536, TJSAMP_444);
CHECKSIZE(tjPlaneSizeYUV());
bailout:
return;
}
static void bufSizeTest(void)
{
int w, h, i, subsamp;
unsigned char *srcBuf = NULL, *dstBuf = NULL;
tjhandle handle = NULL;
unsigned long dstSize = 0;
if ((handle = tjInitCompress()) == NULL) THROW_TJ();
printf("Buffer size regression test\n");
for (subsamp = 0; subsamp < TJ_NUMSAMP; subsamp++) {
for (w = 1; w < 48; w++) {
int maxh = (w == 1) ? 2048 : 48;
for (h = 1; h < maxh; h++) {
if (h % 100 == 0) printf("%.4d x %.4d\b\b\b\b\b\b\b\b\b\b\b", w, h);
if ((srcBuf = (unsigned char *)malloc(w * h * 4)) == NULL)
THROW("Memory allocation failure");
if (!alloc || doYUV) {
if (doYUV) dstSize = tjBufSizeYUV2(w, pad, h, subsamp);
else dstSize = tjBufSize(w, h, subsamp);
if ((dstBuf = (unsigned char *)tjAlloc(dstSize)) == NULL)
THROW("Memory allocation failure");
}
for (i = 0; i < w * h * 4; i++) {
if (random() < RAND_MAX / 2) srcBuf[i] = 0;
else srcBuf[i] = 255;
}
if (doYUV) {
TRY_TJ(tjEncodeYUV3(handle, srcBuf, w, 0, h, TJPF_BGRX, dstBuf, pad,
subsamp, 0));
} else {
TRY_TJ(tjCompress2(handle, srcBuf, w, 0, h, TJPF_BGRX, &dstBuf,
&dstSize, subsamp, 100,
alloc ? 0 : TJFLAG_NOREALLOC));
}
free(srcBuf); srcBuf = NULL;
if (!alloc || doYUV) {
tjFree(dstBuf); dstBuf = NULL;
}
if ((srcBuf = (unsigned char *)malloc(h * w * 4)) == NULL)
THROW("Memory allocation failure");
if (!alloc || doYUV) {
if (doYUV) dstSize = tjBufSizeYUV2(h, pad, w, subsamp);
else dstSize = tjBufSize(h, w, subsamp);
if ((dstBuf = (unsigned char *)tjAlloc(dstSize)) == NULL)
THROW("Memory allocation failure");
}
for (i = 0; i < h * w * 4; i++) {
if (random() < RAND_MAX / 2) srcBuf[i] = 0;
else srcBuf[i] = 255;
}
if (doYUV) {
TRY_TJ(tjEncodeYUV3(handle, srcBuf, h, 0, w, TJPF_BGRX, dstBuf, pad,
subsamp, 0));
} else {
TRY_TJ(tjCompress2(handle, srcBuf, h, 0, w, TJPF_BGRX, &dstBuf,
&dstSize, subsamp, 100,
alloc ? 0 : TJFLAG_NOREALLOC));
}
free(srcBuf); srcBuf = NULL;
if (!alloc || doYUV) {
tjFree(dstBuf); dstBuf = NULL;
}
}
}
}
printf("Done. \n");
bailout:
free(srcBuf);
tjFree(dstBuf);
if (handle) tjDestroy(handle);
}
static void initBitmap(unsigned char *buf, int width, int pitch, int height,
int pf, int flags)
{
int roffset = tjRedOffset[pf];
int goffset = tjGreenOffset[pf];
int boffset = tjBlueOffset[pf];
int ps = tjPixelSize[pf];
int i, j;
for (j = 0; j < height; j++) {
int row = (flags & TJFLAG_BOTTOMUP) ? height - j - 1 : j;
for (i = 0; i < width; i++) {
unsigned char r = (i * 256 / width) % 256;
unsigned char g = (j * 256 / height) % 256;
unsigned char b = (j * 256 / height + i * 256 / width) % 256;
memset(&buf[row * pitch + i * ps], 0, ps);
if (pf == TJPF_GRAY) buf[row * pitch + i * ps] = b;
else if (pf == TJPF_CMYK)
rgb_to_cmyk(r, g, b, &buf[row * pitch + i * ps + 0],
&buf[row * pitch + i * ps + 1],
&buf[row * pitch + i * ps + 2],
&buf[row * pitch + i * ps + 3]);
else {
buf[row * pitch + i * ps + roffset] = r;
buf[row * pitch + i * ps + goffset] = g;
buf[row * pitch + i * ps + boffset] = b;
}
}
}
}
static int cmpBitmap(unsigned char *buf, int width, int pitch, int height,
int pf, int flags, int gray2rgb)
{
int roffset = tjRedOffset[pf];
int goffset = tjGreenOffset[pf];
int boffset = tjBlueOffset[pf];
int aoffset = tjAlphaOffset[pf];
int ps = tjPixelSize[pf];
int i, j;
for (j = 0; j < height; j++) {
int row = (flags & TJFLAG_BOTTOMUP) ? height - j - 1 : j;
for (i = 0; i < width; i++) {
unsigned char r = (i * 256 / width) % 256;
unsigned char g = (j * 256 / height) % 256;
unsigned char b = (j * 256 / height + i * 256 / width) % 256;
if (pf == TJPF_GRAY) {
if (buf[row * pitch + i * ps] != b)
return 0;
} else if (pf == TJPF_CMYK) {
unsigned char rf, gf, bf;
cmyk_to_rgb(buf[row * pitch + i * ps + 0],
buf[row * pitch + i * ps + 1],
buf[row * pitch + i * ps + 2],
buf[row * pitch + i * ps + 3], &rf, &gf, &bf);
if (gray2rgb) {
if (rf != b || gf != b || bf != b)
return 0;
} else if (rf != r || gf != g || bf != b) return 0;
} else {
if (gray2rgb) {
if (buf[row * pitch + i * ps + roffset] != b ||
buf[row * pitch + i * ps + goffset] != b ||
buf[row * pitch + i * ps + boffset] != b)
return 0;
} else if (buf[row * pitch + i * ps + roffset] != r ||
buf[row * pitch + i * ps + goffset] != g ||
buf[row * pitch + i * ps + boffset] != b)
return 0;
if (aoffset >= 0 && buf[row * pitch + i * ps + aoffset] != 0xFF)
return 0;
}
}
}
return 1;
}
static int doBmpTest(const char *ext, int width, int align, int height, int pf,
int flags)
{
char filename[80], *md5sum, md5buf[65];
int ps = tjPixelSize[pf], pitch = PAD(width * ps, align), loadWidth = 0,
loadHeight = 0, retval = 0, pixelFormat = pf;
unsigned char *buf = NULL;
char *md5ref;
if (pf == TJPF_GRAY) {
md5ref = !strcasecmp(ext, "ppm") ? "112c682e82ce5de1cca089e20d60000b" :
"51976530acf75f02beddf5d21149101d";
} else {
md5ref = !strcasecmp(ext, "ppm") ? "c0c9f772b464d1896326883a5c79c545" :
"6d659071b9bfcdee2def22cb58ddadca";
}
if ((buf = (unsigned char *)tjAlloc(pitch * height)) == NULL)
THROW("Could not allocate memory");
initBitmap(buf, width, pitch, height, pf, flags);
snprintf(filename, 80, "test_bmp_%s_%d_%s.%s", pixFormatStr[pf], align,
(flags & TJFLAG_BOTTOMUP) ? "bu" : "td", ext);
TRY_TJ(tjSaveImage(filename, buf, width, pitch, height, pf, flags));
md5sum = MD5File(filename, md5buf);
if (strcasecmp(md5sum, md5ref))
THROW_MD5(filename, md5sum, md5ref);
tjFree(buf); buf = NULL;
if ((buf = tjLoadImage(filename, &loadWidth, align, &loadHeight, &pf,
flags)) == NULL)
THROW_TJ();
if (width != loadWidth || height != loadHeight) {
printf("\n Image dimensions of %s are bogus\n", filename);
retval = -1; goto bailout;
}
if (!cmpBitmap(buf, width, pitch, height, pf, flags, 0)) {
printf("\n Pixel data in %s is bogus\n", filename);
retval = -1; goto bailout;
}
if (pf == TJPF_GRAY) {
tjFree(buf); buf = NULL;
pf = TJPF_XBGR;
if ((buf = tjLoadImage(filename, &loadWidth, align, &loadHeight, &pf,
flags)) == NULL)
THROW_TJ();
pitch = PAD(width * tjPixelSize[pf], align);
if (!cmpBitmap(buf, width, pitch, height, pf, flags, 1)) {
printf("\n Converting %s to RGB failed\n", filename);
retval = -1; goto bailout;
}
tjFree(buf); buf = NULL;
pf = TJPF_CMYK;
if ((buf = tjLoadImage(filename, &loadWidth, align, &loadHeight, &pf,
flags)) == NULL)
THROW_TJ();
pitch = PAD(width * tjPixelSize[pf], align);
if (!cmpBitmap(buf, width, pitch, height, pf, flags, 1)) {
printf("\n Converting %s to CMYK failed\n", filename);
retval = -1; goto bailout;
}
}
/* Verify that tjLoadImage() returns the proper "preferred" pixel format for
the file type. */
tjFree(buf); buf = NULL;
pf = pixelFormat;
pixelFormat = TJPF_UNKNOWN;
if ((buf = tjLoadImage(filename, &loadWidth, align, &loadHeight,
&pixelFormat, flags)) == NULL)
THROW_TJ();
if ((pf == TJPF_GRAY && pixelFormat != TJPF_GRAY) ||
(pf != TJPF_GRAY && !strcasecmp(ext, "bmp") &&
pixelFormat != TJPF_BGR) ||
(pf != TJPF_GRAY && !strcasecmp(ext, "ppm") &&
pixelFormat != TJPF_RGB)) {
printf("\n tjLoadImage() returned unexpected pixel format: %s\n",
pixFormatStr[pixelFormat]);
retval = -1;
}
unlink(filename);
bailout:
tjFree(buf);
if (exitStatus < 0) return exitStatus;
return retval;
}
static int bmpTest(void)
{
int align, width = 35, height = 39, format;
for (align = 1; align <= 8; align *= 2) {
for (format = 0; format < TJ_NUMPF; format++) {
printf("%s Top-Down BMP (row alignment = %d bytes) ... ",
pixFormatStr[format], align);
if (doBmpTest("bmp", width, align, height, format, 0) == -1)
return -1;
printf("OK.\n");
printf("%s Top-Down PPM (row alignment = %d bytes) ... ",
pixFormatStr[format], align);
if (doBmpTest("ppm", width, align, height, format,
TJFLAG_BOTTOMUP) == -1)
return -1;
printf("OK.\n");
printf("%s Bottom-Up BMP (row alignment = %d bytes) ... ",
pixFormatStr[format], align);
if (doBmpTest("bmp", width, align, height, format, 0) == -1)
return -1;
printf("OK.\n");
printf("%s Bottom-Up PPM (row alignment = %d bytes) ... ",
pixFormatStr[format], align);
if (doBmpTest("ppm", width, align, height, format,
TJFLAG_BOTTOMUP) == -1)
return -1;
printf("OK.\n");
}
}
return 0;
}
int main(int argc, char *argv[])
{
int i, num4bf = 5;
#ifdef _WIN32
srand((unsigned int)time(NULL));
#endif
if (argc > 1) {
for (i = 1; i < argc; i++) {
if (!strcasecmp(argv[i], "-yuv")) doYUV = 1;
else if (!strcasecmp(argv[i], "-noyuvpad")) pad = 1;
else if (!strcasecmp(argv[i], "-alloc")) alloc = 1;
else if (!strcasecmp(argv[i], "-bmp")) return bmpTest();
else usage(argv[0]);
}
}
if (alloc) printf("Testing automatic buffer allocation\n");
if (doYUV) num4bf = 4;
overflowTest();
doTest(35, 39, _3byteFormats, 2, TJSAMP_444, "test");
doTest(39, 41, _4byteFormats, num4bf, TJSAMP_444, "test");
doTest(41, 35, _3byteFormats, 2, TJSAMP_422, "test");
doTest(35, 39, _4byteFormats, num4bf, TJSAMP_422, "test");
doTest(39, 41, _3byteFormats, 2, TJSAMP_420, "test");
doTest(41, 35, _4byteFormats, num4bf, TJSAMP_420, "test");
doTest(35, 39, _3byteFormats, 2, TJSAMP_440, "test");
doTest(39, 41, _4byteFormats, num4bf, TJSAMP_440, "test");
doTest(41, 35, _3byteFormats, 2, TJSAMP_411, "test");
doTest(35, 39, _4byteFormats, num4bf, TJSAMP_411, "test");
doTest(39, 41, _onlyGray, 1, TJSAMP_GRAY, "test");
doTest(41, 35, _3byteFormats, 2, TJSAMP_GRAY, "test");
doTest(35, 39, _4byteFormats, 4, TJSAMP_GRAY, "test");
bufSizeTest();
if (doYUV) {
printf("\n--------------------\n\n");
doTest(48, 48, _onlyRGB, 1, TJSAMP_444, "test_yuv0");
doTest(48, 48, _onlyRGB, 1, TJSAMP_422, "test_yuv0");
doTest(48, 48, _onlyRGB, 1, TJSAMP_420, "test_yuv0");
doTest(48, 48, _onlyRGB, 1, TJSAMP_440, "test_yuv0");
doTest(48, 48, _onlyRGB, 1, TJSAMP_411, "test_yuv0");
doTest(48, 48, _onlyRGB, 1, TJSAMP_GRAY, "test_yuv0");
doTest(48, 48, _onlyGray, 1, TJSAMP_GRAY, "test_yuv0");
}
return exitStatus;
}