CHAPTER 7

Graphic Functions: Defining Content

Defining a Media File Segment

You can define any portion of a video media file to play using the In Frame and Out Frame parameters. By default, the In Frame is the beginning of the media file and the Out Frame is the end of the file. Media files can have different lengths.

In Frame and Out Frame Parameters

You can select any segment of a media file for playback by assigning an In Frame value as a start point and an Out Frame as an end point.

Note: DMX parameter values for these parameters do not correspond to a particular “frame”. They are defined as a percentage of the movie length. This makes it possible to create segments with an Out Frame preceding the In Frame and simplifies playback synchronization between media files.

The In Frame parameter corresponds to a 16-bit DMX value equal to a starting point for the playback segment of the selected file. The Out Frame parameter corresponds to a 16-bit DMX value equal to an end point for the playback segment of the selected media file.

Assigning the In Frame and Out Frame parameters to default DMX values will playback the entire movie file. Choosing other settings are useful when you want to:

begin or end a media file at any point other than the default

start or stop on a specific image

you need to shorten the media file to a specific length

In Frame Default DMX Value: 0 = The beginning of a media file is the playback start point.

Out Frame Default DMX Value: 65535 = The end of a media file is the playback endpoint.

As you move from 0 to 100% of the In Frame value range, you can select the beginning of a media file segment as a percentage of the file length. Moving from 0 to 100% of the Out Frame value range selects the end of a media file segment as a percentage of the file length.

Segment Selection Examples

Example 1

Out Frame

You can create a segment anywhere between

 

 

 

 

 

 

 

 

In Frame

the beginning and the end of a media file.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The In Frame does not have to precede the

 

File

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

File

Out Frame.

Start

25%

 

 

 

 

 

 

 

 

 

 

 

75%

 

End

To skip a segment in the center of a media

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

file, set the In Frame to a point following the

Example 2

 

 

 

 

 

 

 

 

 

 

 

 

Out Frame. The file will play from the In

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Frame to the end and then start at the begin-

 

 

 

 

 

Out Frame

In Frame

 

 

 

 

 

 

ning of the file and play to the Out Frame.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

When you create a segment in this way, you

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

may notice a jump as playback skips from the

 

File

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

File

end of the file to the beginning.

 

Start

25%

 

 

 

 

 

 

 

 

 

 

 

75%

 

 

End

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Axon Media Server User Manual

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Image 63
High End Systems AXON user manual Defining a Media File Segment, Frame and Out Frame Parameters, Segment Selection Examples

AXON specifications

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