IPSR-VIDEO Altera, IPSR-VIDEO Datasheet - Page 47

• Manufacturer Part Number: IPSR-VIDEO
• Description: RENEWAL Of IPS-VIDEO
• Manufacturer: Altera
• Series: IP Suitesr

Specifications of IPSR-VIDEO

• Software Application: IP CORE, SUITES
• Supported Families: Arria GX, Cyclone II, HardCopy II, Stratix II
• Features: Common Avalon Streaming (Avalon-St) Interface And Avalon-St Video Protocol
• Core Architecture: FPGA
• Core Sub-architecture: Arria, Cyclone, Stratix
• Rohs Compliant: NA
• Lead Free Status / RoHS Status: na

Chapter 3: Parameter Settings
Color Space Converter (CSC)
Table 3–11. Color Space Converter Parameter Settings Tab, Operands Page
January 2011 Altera Corporation
Color model
conversion
Runtime
controlled
Coefficients
and
Summands
A0, B0, C0, S0
A1, B1, C1, S1
A2, B2, C2, S2
Coefficients:
Signed
Coefficients:
Integer
bits
Summands:
Signed
Summands:
Integer
bits
Coefficient and
summand
fraction
bits
Notes to
(1) Editing the coefficient values automatically changes the Color model conversion value to Custom.
(2) Editing these values change the actual coefficients and summands and the results values on the General page. Signed coefficients allow
Parameter
negative values; increasing the integer bits increases the magnitude range; and increasing the fraction bits increases the precision.
(2)
(2)
(2)
(2)
(2)
Table
(1)
3–11:
Computer B’G’R’ to CbCrY’:
SDTV, CbCrY’: SDTV to Computer
B’G’R’, Computer B’G’R’ to
CbCrY’: HDTV, CbCrY’: HDTV to
Computer B’G’R’, Studio B’G’R’ to
CbCrY’: SDTV, CbCrY’: SDTV to
Studio B’G’R’, Studio B’G’R’ to
CbCrY’: HDTV, CbCrY’: HDTV to
Studio B’G’R’, IQY' to Computer
B'G'R', Computer B'G'R' to IQY',
UVY' to Computer B'G'R'
Computer B'G'R' to UVY',
Custom
On or Off
12 fixed-point values
On or Off
0–16, Default = 0
On or Off
0–22, Default = 8
0–34, Default = 8
Value
Specifies a predefined set of coefficients and summands to use for
color model conversion at compile time. Alternatively, you can select
Custom and create your own custom set by modifying the din_0,
din_1, and din_2 coefficients for dout_0, dout_1, and dout_2
separately.
The values are assigned in the order indicated by the conversion
name. For example, if you select Computer B’G’R’ to CbCrY’: SDTV,
then din_0 = B’, din_1 = G’, din_2 = R’, dout_0 = Cb, dout_1 = Cr, and
dout_2 = Y’.
Turn on to enable run-time control of the conversion values.
Each coefficient or summand is represented by a white cell with a
purple cell underneath. The value in the white cell is the desired value,
and is editable. The value in the purple cell is the actual value,
determined by the fixed-point type specified. The purple cells are not
editable. You can create a custom coefficient and summand set by
specifying one fixed-point value for each entry.
You can paste custom coefficients into the table from a spreadsheet
(such as Microsoft Excel). Blank lines must be left in your input data
for the non-editable cells.
Turn on to set the fixed point type used to store the constant
coefficients as having a sign bit.
Specifies the number of integer bits for the fixed point type used to
store the constant coefficients.
Turn on to set the fixed point type used to store the constant
summands as having a sign bit.
Specifies the number of integer bits for the fixed point type used to
store the constant summands.
Specifies the number of fraction bits for the fixed point type used to
store the coefficients and summands.
Description
Video and Image Processing Suite User Guide
3–11