ADV8003 Hardware Manual
Rev. B, August 2013
160
pvsp_ex_mem_data_format[1:0]
, Primary VSP Map,
Address 0xE829[4:3]
This signal is used to set the data format in external memory.
Function
pvsp_ex_mem_data_for
mat[1:0]
Description
00
YCbCr-12b-10b-10b
01
YCbCr-8b-8b-8b
10
YCbCr-4:2:4-12b
11
YCbCr-4:2:2-8b
indicates the number of bytes required when storing a particular type of video data.
Table 26: Bytes per Pixel
pvsp_ex_mem_data_format Format in Memory
Bytes per Pixel
0
12 bit 4:4:4 YCbCr
4
1
8 bit 4:4:4 YCbCr
3
2
12 bit 4:2:2 YCbCr
4
3
8 bit 4:2:2 YCbCr
2
3.2.3.
PVSP Video Output Module
shows the structure of the PVSP VOM. The direction arrow inside
does not capture the real processing order inside
the VOM but gives a clear overview of each processing block.
VOM
Cropper
Video Output Module (VOM)
Read from
DDR2
Pixel
UnPacker
De-interlacer
CUE
Correction
Noise
Reduction
(Block/Mosquito/Random)
Sharpness
Scaler
Output Port
Output
Video
VOM
Cropper
Video Output Module (VOM)
Read from
DDR2
Pixel
UnPacker
De-interlacer
CUE
Correction
Noise
Reduction
(Block/Mosquito/Random)
Sharpness
Scaler
Output Port
Output
Video
Figure 55: PVSP Video Output Module
The VOM has the following main features:
•
Pixel unpacker: this module reads the field/frame from external memory and unpacks memory words to video pixel information
•
VOM cropper: crops the image read from external memory
•
De-interlacer: converts interlaced video to progressive video
•
CUE correction: filtering for Color Upsampling Error
•
Noise reduction: removes random, mosquito, and block noise
•
Detail and edge sharpness enhancement
Summary of Contents for ADV8003
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