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When compiling a SWF file, you set a specific frame rate
for the movie. In a restricted environment with a low CPU rate,
the frame rate sometimes drops down during playback. To preserve
an acceptable frame rate for the user, the runtime skips the rendering
of some frames. Skipping the rendering of some frames keeps the
frame rate from falling below an acceptable value.
Note:
In this case, the runtime does not skip frames,
it only skips the rendering of content on frames. Code is still
executed and the display list is updated, but the updates don’t
show onscreen. There is no way to specify a threshold fps value indicating
how many frames to skip if the runtime can’t keep the frame rate
stable.
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