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
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@ -72,29 +72,21 @@ static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, i
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// test by ref -> src -> dst -> out & compare out against ref
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// ref & out are YV12
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static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
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uint8_t *src[4], int srcStride[4],
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enum PixelFormat srcFormat, enum PixelFormat dstFormat,
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int srcW, int srcH, int dstW, int dstH, int flags)
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{
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uint8_t *src[4] = {0};
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uint8_t *dst[4] = {0};
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uint8_t *out[4] = {0};
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int srcStride[4], dstStride[4];
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int dstStride[4];
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int i;
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uint64_t ssdY, ssdU=0, ssdV=0, ssdA=0;
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struct SwsContext *srcContext = NULL, *dstContext = NULL,
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*outContext = NULL;
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struct SwsContext *dstContext = NULL, *outContext = NULL;
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int res;
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res = 0;
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for (i=0; i<4; i++) {
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// avoid stride % bpp != 0
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if (srcFormat==PIX_FMT_RGB24 || srcFormat==PIX_FMT_BGR24)
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srcStride[i]= srcW*3;
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else if (srcFormat==PIX_FMT_RGB48BE || srcFormat==PIX_FMT_RGB48LE)
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srcStride[i]= srcW*6;
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else
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srcStride[i]= srcW*4;
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if (dstFormat==PIX_FMT_RGB24 || dstFormat==PIX_FMT_BGR24)
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dstStride[i]= dstW*3;
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else if (dstFormat==PIX_FMT_RGB48BE || dstFormat==PIX_FMT_RGB48LE)
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@ -108,10 +100,9 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
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* allocated with av_malloc). */
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/* An extra 16 bytes is being allocated because some scalers may write
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* out of bounds. */
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src[i]= av_mallocz(srcStride[i]*srcH+16);
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dst[i]= av_mallocz(dstStride[i]*dstH+16);
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out[i]= av_mallocz(refStride[i]*h);
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if (!src[i] || !dst[i] || !out[i]) {
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if (!dst[i] || !out[i]) {
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perror("Malloc");
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res = -1;
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@ -119,15 +110,6 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
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}
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}
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srcContext= sws_getContext(w, h, PIX_FMT_YUVA420P, srcW, srcH, srcFormat, flags, NULL, NULL, NULL);
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if (!srcContext) {
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fprintf(stderr, "Failed to get %s ---> %s\n",
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av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name,
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av_pix_fmt_descriptors[srcFormat].name);
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res = -1;
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goto end;
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}
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dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL);
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if (!dstContext) {
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fprintf(stderr, "Failed to get %s ---> %s\n",
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@ -155,7 +137,6 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
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flags);
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fflush(stdout);
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sws_scale(srcContext, ref, refStride, 0, h , src, srcStride);
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sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride);
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sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride);
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@ -178,12 +159,10 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
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end:
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sws_freeContext(srcContext);
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sws_freeContext(dstContext);
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sws_freeContext(outContext);
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for (i=0; i<4; i++) {
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av_free(src[i]);
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av_free(dst[i]);
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av_free(out[i]);
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}
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@ -218,11 +197,46 @@ static void selfTest(uint8_t *ref[4], int refStride[4], int w, int h)
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av_pix_fmt_descriptors[dstFormat].name);
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fflush(stdout);
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for (k = 0; flags[k] && !res; k++)
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for (k = 0; flags[k] && !res; k++) {
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struct SwsContext *srcContext = NULL;
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uint8_t *src[4] = {0};
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int srcStride[4];
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int p;
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for (p = 0; p < 4; p++) {
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if (srcFormat == PIX_FMT_RGB24 ||
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srcFormat == PIX_FMT_BGR24)
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srcStride[p] = srcW*3;
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else if (srcFormat==PIX_FMT_RGB48BE ||
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srcFormat==PIX_FMT_RGB48LE)
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srcStride[p] = srcW*6;
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else
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srcStride[p] = srcW*4;
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src[p] = av_mallocz(srcStride[p]*srcH+16);
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if (!src[p]) {
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perror("Malloc");
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return;
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}
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}
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srcContext = sws_getContext(w, h, PIX_FMT_YUVA420P, srcW, srcH,
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srcFormat, flags[k], NULL, NULL, NULL);
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if (!srcContext) {
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fprintf(stderr, "Failed to get %s ---> %s\n",
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av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name,
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av_pix_fmt_descriptors[srcFormat].name);
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return;
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}
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sws_scale(srcContext, ref, refStride, 0, h, src, srcStride);
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for (i = 0; dstW[i] && !res; i++)
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for (j = 0; dstH[j] && !res; j++)
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res = doTest(ref, refStride, w, h, srcFormat, dstFormat,
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res = doTest(ref, refStride, w, h, src, srcStride,
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srcFormat, dstFormat,
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srcW, srcH, dstW[i], dstH[j], flags[k]);
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sws_freeContext(srcContext);
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for (p = 0; p < 4; p++)
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av_free(src[p]);
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}
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}
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}
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}
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