Matrox Electronic Systems Matrox RT.X2 - Manual (Page 157)

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Matrox RT.X2 realtime guidelines
Matrox RT.X2 realtime guidelines
In your Adobe Premiere Pro projects, you can use various combinations of
realtime Matrox CPU-based effects (Flex CPU effects), hardware-accelerated
effects (Flex GPU effects), and Adobe Premiere Pro fixed effects, all with
transparency.
Realtime means that the clips don’t require rendering and will play back in real
time without dropping frames (that is, there is no red indicator bar above the
segment).
The Matrox CPU-based effects are wipes, color corrections, chroma keys, luma
keys, move & scale, the chroma clamper, and Adobe Premiere Pro’s crop and
speed change. The Matrox hardware-accelerated effects are all the other Matrox
effects (such as page curls, 3D DVEs, surface finish effects, Premiere Pro fixed
effects and fades, etc.).
¦ Note The hardware-accelerated effects will be available only if you have a
display card that supports the Matrox hardware-accelerated effects in Adobe
Premiere Pro. For more information, see
“Enabling and disabling the Matrox
hardware-accelerated effects in Adobe Premiere Pro” on page 169 .
Matrox RT.X2 constantly analyzes your sequence as you work, and will identify
which segments require rendering (with a red indicator bar above the segment).
For example, once playback of the sequence has stopped, a red bar will appear
over segments of the sequence that have dropped frames. Even when your system
is idle, Matrox RT.X2 will analyze segments to determine if they require
rendering. Certain complex effects or combinations of effects can cause dropped
frames when previewing. Matrox RT.X2 will always provide a preview of your
output at the best frame rate possible by analyzing the segments and dropping
frames systematically.
If you find that you have dropped frames when you export your project to tape
and those segments were not identified with a red bar, you can lower the
Realtime Indicator Threshold . For more information, see “Defining your
General settings” on page 21 .
The maximum number of layers that can be played back in real time depends on
the capabilities of your system, your project’s video format, the compression
format of your clips, and the number and complexity of the effects you’ve applied
to your clips.