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swscale-test: take input from reference file

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If the CRC from the src->dst conversion matches a reference, it is not
necessary to perform a dst->yuva420p conversion and check the SSD.

Originally committed as revision 32213 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Ramiro Polla 2010-09-12 18:16:33 +00:00
parent 6bbae4c8b3
commit 4bf4478598
1 changed files with 118 additions and 19 deletions
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137
libswscale/swscale-test.c
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@ -71,11 +71,20 @@ static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, i
return ssd;
}
struct Results {
uint64_t ssdY;
uint64_t ssdU;
uint64_t ssdV;
uint64_t ssdA;
uint32_t crc;
};
// test by ref -> src -> dst -> out & compare out against ref
// ref & out are YV12
static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
enum PixelFormat srcFormat, enum PixelFormat dstFormat,
int srcW, int srcH, int dstW, int dstH, int flags)
int srcW, int srcH, int dstW, int dstH, int flags,
struct Results *r)
{
static enum PixelFormat cur_srcFormat;
static int cur_srcW, cur_srcH;
@ -137,9 +146,7 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
* out of bounds. */
if (dstStride[i])
dst[i]= av_mallocz(dstStride[i]*dstH+16);
if (refStride[i])
out[i]= av_mallocz(refStride[i]*h);
if ((dstStride[i] && !dst[i]) || (refStride[i] && !out[i])) {
if (dstStride[i] && !dst[i]) {
perror("Malloc");
res = -1;
@ -154,15 +161,6 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
av_pix_fmt_descriptors[dstFormat].name);
res = -1;
goto end;
}
outContext= sws_getContext(dstW, dstH, dstFormat, w, h, PIX_FMT_YUVA420P, flags, NULL, NULL, NULL);
if (!outContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
av_pix_fmt_descriptors[dstFormat].name,
av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name);
res = -1;
goto end;
}
// printf("test %X %X %X -> %X %X %X\n", (int)ref[0], (int)ref[1], (int)ref[2],
@ -175,12 +173,38 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
fflush(stdout);
sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride);
sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride);
for (i = 0; i < 4 && dstStride[i]; i++) {
crc = av_crc(av_crc_get_table(AV_CRC_32_IEEE), crc, dst[i], dstStride[i] * dstH);
}
if (r && crc == r->crc) {
ssdY = r->ssdY;
ssdU = r->ssdU;
ssdV = r->ssdV;
ssdA = r->ssdA;
} else {
for (i=0; i<4; i++) {
if (refStride[i])
out[i]= av_mallocz(refStride[i]*h);
if (refStride[i] && !out[i]) {
perror("Malloc");
res = -1;
goto end;
}
}
outContext= sws_getContext(dstW, dstH, dstFormat, w, h, PIX_FMT_YUVA420P, flags, NULL, NULL, NULL);
if (!outContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
av_pix_fmt_descriptors[dstFormat].name,
av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name);
res = -1;
goto end;
}
sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride);
ssdY= getSSD(ref[0], out[0], refStride[0], refStride[0], w, h);
if (hasChroma(srcFormat) && hasChroma(dstFormat)) {
//FIXME check that output is really gray
@ -195,19 +219,24 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
ssdV/= w*h/4;
ssdA/= w*h;
sws_freeContext(outContext);
for (i=0; i<4; i++) {
if (refStride[i])
av_free(out[i]);
}
}
printf(" CRC=%08x SSD=%5"PRId64",%5"PRId64",%5"PRId64",%5"PRId64"\n",
crc, ssdY, ssdU, ssdV, ssdA);
end:
sws_freeContext(dstContext);
sws_freeContext(outContext);
for (i=0; i<4; i++) {
if (dstStride[i])
av_free(dst[i]);
if (refStride[i])
av_free(out[i]);
}
return res;
@ -245,12 +274,58 @@ static void selfTest(uint8_t *ref[4], int refStride[4], int w, int h)
for (j = 0; dstH[j] && !res; j++)
res = doTest(ref, refStride, w, h,
srcFormat, dstFormat,
srcW, srcH, dstW[i], dstH[j], flags[k]);
srcW, srcH, dstW[i], dstH[j], flags[k],
NULL);
}
}
}
}
static int fileTest(uint8_t *ref[4], int refStride[4], int w, int h, FILE *fp)
{
char buf[256];
while (fgets(buf, sizeof(buf), fp)) {
struct Results r;
enum PixelFormat srcFormat;
char srcStr[12];
int srcW, srcH;
enum PixelFormat dstFormat;
char dstStr[12];
int dstW, dstH;
int flags;
int ret;
ret = sscanf(buf, " %12s %dx%d -> %12s %dx%d flags=%d CRC=%x"
" SSD=%"PRId64", %"PRId64", %"PRId64", %"PRId64"\n",
srcStr, &srcW, &srcH, dstStr, &dstW, &dstH,
&flags, &r.crc, &r.ssdY, &r.ssdU, &r.ssdV, &r.ssdA);
if (ret != 12) {
srcStr[0] = dstStr[0] = 0;
ret = sscanf(buf, "%12s -> %12s\n", srcStr, dstStr);
}
srcFormat = av_get_pix_fmt(srcStr);
dstFormat = av_get_pix_fmt(dstStr);
if (srcFormat == PIX_FMT_NONE || dstFormat == PIX_FMT_NONE) {
fprintf(stderr, "malformed input file\n");
return -1;
}
if (ret != 12) {
printf("%s", buf);
continue;
}
doTest(ref, refStride, w, h,
srcFormat, dstFormat,
srcW, srcH, dstW, dstH, flags,
&r);
}
return 0;
}
#define W 96
#define H 96
@ -265,6 +340,8 @@ int main(int argc, char **argv)
int x, y;
struct SwsContext *sws;
AVLFG rand;
int res = -1;
int i;
if (!rgb_data || !data)
return -1;
@ -282,8 +359,30 @@ int main(int argc, char **argv)
sws_freeContext(sws);
av_free(rgb_data);
for (i = 1; i < argc; i += 2) {
if (argv[i][0] != '-' || i+1 == argc)
goto bad_option;
if (!strcmp(argv[i], "-ref")) {
FILE *fp = fopen(argv[i+1], "r");
if (!fp) {
fprintf(stderr, "could not open '%s'\n", argv[i+1]);
goto error;
}
res = fileTest(src, stride, W, H, fp);
fclose(fp);
goto end;
} else {
bad_option:
fprintf(stderr, "bad option or argument missing (%s)\n", argv[i]);
goto error;
}
}
selfTest(src, stride, W, H);
end:
res = 0;
error:
av_free(data);
return 0;
return res;
}