@@ -71,6 +71,21 @@ static uint64_t getSSD(const uint8_t *src1, const uint8_t *src2,
return ssd;
}
+static uint64_t getSSD0(int ref, const uint8_t *src1, int stride1,
+ int w, int h)
+{
+ int x, y;
+ uint64_t ssd = 0;
+
+ for (y = 0; y < h; y++) {
+ for (x = 0; x < w; x++) {
+ int d = src1[x + y * stride1] - ref;
+ ssd += d * d;
+ }
+ }
+ return ssd;
+}
+
struct Results {
uint64_t ssdY;
uint64_t ssdU;
@@ -239,9 +254,17 @@ static int doTest(const uint8_t * const ref[4], int refStride[4], int w, int h,
(w + 1) >> 1, (h + 1) >> 1);
ssdV = getSSD(ref[2], out[2], refStride[2], refStride[2],
(w + 1) >> 1, (h + 1) >> 1);
+ } else {
+ ssdU = getSSD0(128, out[1], refStride[1],
+ (w + 1) >> 1, (h + 1) >> 1);
+ ssdV = getSSD0(128, out[2], refStride[2],
+ (w + 1) >> 1, (h + 1) >> 1);
}
- if (isALPHA(srcFormat) && isALPHA(dstFormat))
+ if (isALPHA(srcFormat) && isALPHA(dstFormat)) {
ssdA = getSSD(ref[3], out[3], refStride[3], refStride[3], w, h);
+ } else {
+ ssdA = getSSD0(0xFF, out[3], refStride[3], w, h);
+ }
ssdY /= w * h;
ssdU /= w * h / 4;
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> --- libswscale/tests/swscale.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-)