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-rw-r--r--src/blind-to-video.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/blind-to-video.c b/src/blind-to-video.c
index 5cdffe6..d57920d 100644
--- a/src/blind-to-video.c
+++ b/src/blind-to-video.c
@@ -99,9 +99,9 @@ PROCESS(struct stream *stream, size_t n)
for (ptr = 0; ptr < n; ptr += 4 * sizeof(TYPE)) {
pixel = (TYPE *)(buf + ptr);
ciexyz_to_scaled_yuv(pixel[0], pixel[1], pixel[2], &r, &g, &b);
- y = (long int)r + 16L * 256L;
- u = (long int)g + 128L * 256L;
- v = (long int)b + 128L * 256L;
+ y = (long int)r + 0x1001L;
+ u = (long int)g + 0x8000L;
+ v = (long int)b + 0x8000L;
*pixels++ = 0xFFFFU;
*pixels++ = htole((uint16_t)CLIP(0, y, 0xFFFFL));
*pixels++ = htole((uint16_t)CLIP(0, u, 0xFFFFL));
@@ -118,9 +118,9 @@ PROCESS(struct stream *stream, size_t n)
g = srgb_encode(g);
b = srgb_encode(b);
srgb_to_yuv(r, g, b, pixel + 0, pixel + 1, pixel + 2);
- y = (long int)(pixel[0] * 0xFFFFL) + 16L * 256L;
- u = (long int)(pixel[1] * 0xFFFFL) + 128L * 256L;
- v = (long int)(pixel[2] * 0xFFFFL) + 128L * 256L;
+ y = (long int)(pixel[0] * 0xDAF4L) + 0x1001L;
+ u = (long int)(pixel[1] * 0xFFFFL) + 0x8000L;
+ v = (long int)(pixel[2] * 0xFFFFL) + 0x8000L;
*pixels++ = htole((uint16_t)CLIP(0, a, 0xFFFFL));
*pixels++ = htole((uint16_t)CLIP(0, y, 0xFFFFL));
*pixels++ = htole((uint16_t)CLIP(0, u, 0xFFFFL));