User guide

11–14 Chapter 11: Clocked Video Output MegaCore Function
Parameter Settings
Video and Image Processing Suite January 2013 Altera Corporation
User Guide
Parameter Settings
Table 11–6 lists the Clocked Video Output MegaCore function parameters.
Table 11–6. Clocked Video Output Parameter Settings (Part 1 of 2)
Parameter Value Description
Select preset to load
DVI 1080p60,
SDI 1080p60,
SDI 1080i60,
PAL, NTSC
You can choose from a list of preset conversions or use the other fields in
the dialog box to set up custom parameter values. If you click Load values
into controls the dialog box is initialized with values for the selected preset
conversion.
Image width / Active
pixels
32–65,536,
Default = 1,920
Specify the image width by choosing the number of active pixels.
Image height / Active
lines
32–65,536,
Default = 1,080
Specify the image height by choosing the number of active lines.
Bits per pixel per color
plane
4–20, Default = 8 Choose the number of bits per pixel (per color plane).
Number of color planes 1–4, Default = 3 Choose the number of color planes.
Color plane transmission
format
Sequence, Parallel Choose whether the color planes are transmitted in sequence or in parallel.
Allow output of color
planes in sequence
On or Off
Choose whether run-time switching is allowed between sequential
formats, such as NTSC, and parallel color plane transmission formats,
such as 1080p. The format is controlled by the ModeXControl registers.
See the Avalon-ST Video Protocol section under Interfaces for a
description of the difference between sequential and parallel color plane
transmission formats.
Interlaced video On or Off
Turn on if you want to use interlaced video. If on, you can set the additional
Interlaced and Field 0 Parameters.
Sync signals
Embedded in video,
On separate wires
Choose whether the synchronization signal is embedded in the video
stream or provided on a separate wire. If you choose Embedded in video,
you can set the active picture line, horizontal blanking, and vertical
blanking values. If you choose On separate wires, you can set horizontal
and vertical values for sync, front porch, and back porch.
Active picture line
0–65,536,
Default = 0
Choose the start of active picture line for Frame.
Frame / Field 1: Ancillary
packet insertion line
0–65,536,
Default = 0
Choose the line where ancillary packet insertion starts.
Frame / Field 1:
Horizontal blanking
0–65,536,
Default = 0
Choose the size of the horizontal blanking period in pixels for Frame/Field
1.
Frame / Field 1: Vertical
blanking
0–65,536,
Default = 0
Choose the size of the vertical blanking period in pixels for Frame/Field 1.
Frame / Field 1:
Horizontal sync
1–65,536,
Default = 60
Choose the size of the horizontal synchronization period in pixels for
Frame/Field 1.
Frame / Field 1:
Horizontal front porch
1–65,536,
Default = 20
Choose the size of the horizontal front porch period in pixels for
Frame/Field 1.
Frame / Field 1:
Horizontal back porch
1–65,536,
Default = 192
Choose the size of the horizontal back porch period in pixels for
Frame/Field 1.
Frame / Field 1:
Vertical sync
0–65,536,
Default = 5
Choose the number of lines in the vertical synchronization period for
Frame/Field 1.