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474 AMD Geode™ LX Processors Data Book
Video Input Port
33234H
Figure 6-49. YUV 4:2:2 to YUV 4:2:0 Translation
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YUV 4:2:2 YUV 4:2:0
123 456
123 456
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[1]
[2]
[3]
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Y SAMPLE
CB,CR SAMPLE
YUV 4:2:2 YUV 4:2:0
123 456
123 456
[1]
[2]
[3]
123 456
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[1]
[2]
[3]
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YUV 4:2:2 YUV 4:2:0
123 456
123 456
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Progressive scan - Discard even line UV values
Interlaced (Weave) - Discard even line UV values in both input fields
(single frame buffer in system memory)
(odd and even field buffers in system memory)
Interlaced (Bob) - Discard even line UV values in both input fields
(single frame buffer in system memory)