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DOC/Intro: expand on the global pipes (master bus section)

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Fischlurch 2013-01-03 09:05:15 +01:00
parent f41d3221c8
commit 6856fb8846
1 changed files with 14 additions and 8 deletions
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doc/user/intro/intro.txt
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@ -285,15 +285,21 @@ footage for preview creates a simple internal timeline.
Busses
~~~~~~
Global Pipes
~~~~~~~~~~~~
// TODO: needs rewriting.
The GUI provides a separate _bus view_, showing the master busses (subgroups)
in a manner similar to an audio mixing desk. Any bus is just a means of collecting
and and adding (aka overlaying) together output of various kinds of media
(video, audio, number of channels), produced by various processing elements and
from other busses. These global busses can be conceived as being part of the
timeline.
The GUI provides a separate _bus view_, showing the _global pipes_. These are the
master busses for each kind of output (image and sound) and collect the output of
the subgroups, in a manner similar to an audio mixing desk. Any _pipe_ is just a
means of collecting, mixing or overlaying output produced by other pipes.
A simple (linear) chain of effects can be applied within each pipe.
Most of the pipes are managed automatically, e.g. the pipes corresponding to
individual clips, or the pipes collecting output from transitions, from nested
sequences and from groups of tracks. At some point, at the level of the
timeline, all of the processed data is collected within the aforementioned
global pipes to form the small number of output streams produced by rendering
and playback. Each timeline uses a separate set of global pipes.
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