[ scummvm-Bugs-2979691 ] RTZ: Stall / Audio Loop after not playing a "few" hours

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Bugs item #2979691, was opened at 2010-03-30 19:36
Message generated for change (Tracker Item Submitted) made by sunmax
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Category: Unknown Crash/Other
Group: Return to Zork
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Max Lingua (sunmax)
Assigned to: Benjamin Haisch (john_doe)
Summary: RTZ: Stall / Audio Loop after not playing a "few" hours

Initial Comment:
Using branch 1.1.0 (pre 48413)

Both on PS2 and low-end PC (800 Mhz, 512 MB) SDL backends.

Leave the game running at the beginning after the intro where
the vultures are flying in the sky - after couple of hours
(you gotta be patient), the games will stall with the sound
looping and a ton of the following being printed out:

 WARNING: AdLib: Unknown control change message 117 (100)!
 WARNING: AdLib: Unknown control change message 117 (100)!
 WARNING: AdLib: Unknown control change message 117 (100)!

This seems awesomely similar to the following bugs:

 # 2797283 DW: Noise after not playing a "few" hours

 # 2948281 ITE: MidiParser::hangingNote(): Exceeded polyphony!

In all of 3 the audio goes bananas after some time of lack
of interaction from the user (maybe Aunt Jessie called, or
your gf just showed up ;-) - maybe they are unrelated, but
might be worthy investigating.

Thanks!
 -max

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