DV and Graphics
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DV Video and Graphics
Playback of DV-format video and TARGA Graphics is included in Image Server MAXX. It
plays DV-25 files in native format, and TARGA graphics files including those with key and fill. DV
and Graphics enables direct FTP import from Photoshop
®
, After Effects
®
, Final Cut Pro
®
, Xpress
DV/Pro™, Liquid Edition and Vegas video.
With DV and Graphics, Image Servers are able to function as both a graphics still-store and
an animation playout server. Its three simultaneous outputs give it the power to combine video,
graphics and animation playback. Channels 2 and 3 can be ganged to provide key-and-fill playout,
while Channel 1 plays background video. The following capabilities are included:
Importing TARGA Graphics Files
The Image Server will recognize and ingest single-frame TARGA files via FTP from most
network-attached graphics workstations. TARGA files have a .tga extension, and may contain
an alpha (or key) channel. During transfer, the Image Server will split the TARGA file into a Fill
frame, and a Key frame if it exists. These will be converted to high-resolution MPEG-2 files,
one frame in length.
For example, if an original file is named Logo.tga, the MPEG-2 files created will be
named Logo.mxf (the fill file) and Logo_.mxf (the key file). Note the trailing underscore “_”
added to the file name of the key. This allows the TARGA file to be used for key and fill
applications when channels 2 and 3 are ganged together.
Once a TARGA file is ingested, it exists only as an MXF MPEG-2 file. The processed
file may be transferred to-and-from network-attached storage, another Image Server, or a
graphics workstation, as two separate MXF MPEG-2 files.
The resolution of a TARGA image should be 720 x 480 for NTSC video or 720 x 576
for PAL. If the original TARGA image is not of this resolution, the Image Server will re-scale it,
possibly introducing some dimensional distortion. The Image Server does not support Targa
sequences, only single frame graphics.
Animation Import
From the Image Server’s standpoint, an “animation” is a clip with a minimum length of
two seconds. A separate Alpha channel may or may not be present. Any graphics workstation
capable of exporting files supported by the Image Server can make transfers to it via FTP. If an
alpha channel is present, the naming conventions of the Key/Fill Mode apply: the file name for
the key video is the same as the filename for the fill video with the addition of an underscore
character ( _ ). Many software programs have the ability to create content compatible with the
Image Server , including Final Cut Pro® 4, Avid® DV Xpress, DV/Pro, Liquid Edition, Vegas
video, and Adobe® After Effects®, Premiere® and Photoshop®.
Summary of Contents for MAXX
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