[ scummvm-Feature Requests-806641 ] Increase MIDI performance by omitting redundancies
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Mon Sep 15 19:45:59 CEST 2003
Feature Requests item #806641, was opened at 2003-09-15 18:42
Message generated for change (Settings changed) made by fingolfin
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Marek Roth (logicdeluxe)
>Assigned to: Jamieson Christian (jamieson630)
Summary: Increase MIDI performance by omitting redundancies
Initial Comment:
In all LEC-Adventures supporting MIDI (original or
converted from MT-32 doesn't matter) send the drum bank
change command with every single note, which cause some
tone generators like the Terratec Wavetable
Professional (which is a SC55 clone, and it can not be
that bad as it worked fine for all my MIDI games so
far) to terrible lagging notes, since it doesn't like
it at all. If ScummVM could filter the bank change
command on channel 10, the performance for MPU401
devices could increase the prformance a lot. This
command is useless anyway, since General MIDI has not
defined bank changes at all, and it IS General MIDI
after all. Also the bank switch never ever selects
another bank then 0 as far as I could find out. However
the standard bank should be selected then when native
MIDI is initialized to ensure the correct drum set is
selected throughout the game on GS or XG devices.
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