RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2025-02-26 16:51:29 +00:00
Code Issues Projects Releases Wiki Activity

swscale/tests/swscale: Compute chroma and alpha between gray and opaque frames too

Browse Source 
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-02-14 21:49:50 +01:00
parent 247f485448
commit 35ab103c30
No known key found for this signature in database
GPG Key ID: B18E8928B3948D64
1 changed files with 24 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
libswscale/tests/swscale.c
View File

@ -71,6 +71,21 @@ static uint64_t getSSD(const uint8_t *src1, const uint8_t *src2,
return ssd; 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 { struct Results {
uint64_t ssdY; uint64_t ssdY;
uint64_t ssdU; 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); (w + 1) >> 1, (h + 1) >> 1);
ssdV = getSSD(ref[2], out[2], refStride[2], refStride[2], ssdV = getSSD(ref[2], out[2], refStride[2], refStride[2],
(w + 1) >> 1, (h + 1) >> 1); (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); 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; ssdY /= w * h;
ssdU /= w * h / 4; ssdU /= w * h / 4;