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Chroma Resampler
This module is responsible for receiving YCrCb 4:2:2 video pixel
data from the SDI receiver, performing a coset function and
delivering YCrCb 4:4:4 formatted data. For example:
Input 4:2:2 data : Y1/Cb1, Y2/Cr2, Y3/Cb3, Y4/Cr4 …
Output 4:4:4 data : Y1/Cb1/Cr2, Y2/Cb1/Cr2, Y3/Cb3/Cr4, Y4/Cb3/Cr4 …
Color Space Converter
This module is responsible for receiving YCrCb 4:4:4 video pixel
data from the chroma_resampler module, performing color space
conversion and delivering RGB-24 formatted data.
The following parameters are configurable by the user:
Offsets
: Yoff, CRoff and CBoff
Coefficients
: Y1, R1, G1, G2 and B1
Limits
: R_min, R_max, G_min, G_max, B_min and B_max
-
x
Y[9:0]
-
x
Cr[9:0]
-
x
Cb[9:0]
+
+
x
x
+
Yoff
Y1
CBoff
CRoff
R1
- G1
- G2
B1
Limit
R[7:0]
G[7:0]
B[7:0]
Max
Min
Truncate
Limit
Max
Min
Truncate
Limit
Max
Min
Truncate
Figure 2 – Color Space Converter
