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swscale-test: scale from reference to source only once for each algorithm 

Originally committed as revision 31777 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Ramiro Polla 2010-07-23 20:27:54 +00:00
parent be1c5d35cc
commit 73016d29c9
1 changed files with 41 additions and 27 deletions
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68
libswscale/swscale-test.c
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@ -72,29 +72,21 @@ static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, i
// 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,
uint8_t *src[4], int srcStride[4],
enum PixelFormat srcFormat, enum PixelFormat dstFormat,
int srcW, int srcH, int dstW, int dstH, int flags)
{
uint8_t *src[4] = {0};
uint8_t *dst[4] = {0};
uint8_t *out[4] = {0};
int srcStride[4], dstStride[4];
int dstStride[4];
int i;
uint64_t ssdY, ssdU=0, ssdV=0, ssdA=0;
struct SwsContext *srcContext = NULL, *dstContext = NULL,
*outContext = NULL;
struct SwsContext *dstContext = NULL, *outContext = NULL;
int res;
res = 0;
for (i=0; i<4; i++) {
// avoid stride % bpp != 0
if (srcFormat==PIX_FMT_RGB24 || srcFormat==PIX_FMT_BGR24)
srcStride[i]= srcW*3;
else if (srcFormat==PIX_FMT_RGB48BE || srcFormat==PIX_FMT_RGB48LE)
srcStride[i]= srcW*6;
else
srcStride[i]= srcW*4;
if (dstFormat==PIX_FMT_RGB24 || dstFormat==PIX_FMT_BGR24)
dstStride[i]= dstW*3;
else if (dstFormat==PIX_FMT_RGB48BE || dstFormat==PIX_FMT_RGB48LE)
@ -108,10 +100,9 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
* allocated with av_malloc). */
/* An extra 16 bytes is being allocated because some scalers may write
* out of bounds. */
src[i]= av_mallocz(srcStride[i]*srcH+16);
dst[i]= av_mallocz(dstStride[i]*dstH+16);
out[i]= av_mallocz(refStride[i]*h);
if (!src[i] || !dst[i] || !out[i]) {
if (!dst[i] || !out[i]) {
perror("Malloc");
res = -1;
@ -119,15 +110,6 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
}
}
srcContext= sws_getContext(w, h, PIX_FMT_YUVA420P, srcW, srcH, srcFormat, flags, NULL, NULL, NULL);
if (!srcContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name,
av_pix_fmt_descriptors[srcFormat].name);
res = -1;
goto end;
}
dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL);
if (!dstContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
@ -155,7 +137,6 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
flags);
fflush(stdout);
sws_scale(srcContext, ref, refStride, 0, h , src, srcStride);
sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride);
sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride);
@ -178,12 +159,10 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
end:
sws_freeContext(srcContext);
sws_freeContext(dstContext);
sws_freeContext(outContext);
for (i=0; i<4; i++) {
av_free(src[i]);
av_free(dst[i]);
av_free(out[i]);
}
@ -218,11 +197,46 @@ static void selfTest(uint8_t *ref[4], int refStride[4], int w, int h)
av_pix_fmt_descriptors[dstFormat].name);
fflush(stdout);
for (k = 0; flags[k] && !res; k++)
for (k = 0; flags[k] && !res; k++) {
struct SwsContext *srcContext = NULL;
uint8_t *src[4] = {0};
int srcStride[4];
int p;
for (p = 0; p < 4; p++) {
if (srcFormat == PIX_FMT_RGB24 ||
srcFormat == PIX_FMT_BGR24)
srcStride[p] = srcW*3;
else if (srcFormat==PIX_FMT_RGB48BE ||
srcFormat==PIX_FMT_RGB48LE)
srcStride[p] = srcW*6;
else
srcStride[p] = srcW*4;
src[p] = av_mallocz(srcStride[p]*srcH+16);
if (!src[p]) {
perror("Malloc");
return;
}
}
srcContext = sws_getContext(w, h, PIX_FMT_YUVA420P, srcW, srcH,
srcFormat, flags[k], NULL, NULL, NULL);
if (!srcContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name,
av_pix_fmt_descriptors[srcFormat].name);
return;
}
sws_scale(srcContext, ref, refStride, 0, h, src, srcStride);
for (i = 0; dstW[i] && !res; i++)
for (j = 0; dstH[j] && !res; j++)
res = doTest(ref, refStride, w, h, srcFormat, dstFormat,
res = doTest(ref, refStride, w, h, src, srcStride,
srcFormat, dstFormat,
srcW, srcH, dstW[i], dstH[j], flags[k]);
sws_freeContext(srcContext);
for (p = 0; p < 4; p++)
av_free(src[p]);
}
}
}
}