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AppGameKit Classic Chat / No sound hardware bug

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CJB
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Posted: 29th May 2015 10:59
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I am creating a little screen saver (just a corporate logo that bounces around the screen) but it will not work on a PC that has no sound hardware (95% of the computers it needs to go on).

You get:
"Uncaught Exception: Failed to create Xaudio2 Mastering Voice".

Is there a way to ignore this error. I don't need any sound for this particular app. SETERRORMODE(0) doesn't help.

V2 T1 (Mostly)
Uzmadesign
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JimHawkins
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Posted: 29th May 2015 15:01
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Pretty hard to find a PC with no sound hardware these days. What are they?

<<It is practically impossible to teach good programming to students that have had a prior exposure to BASIC: as potential programmers they are mentally mutilated beyond hope of regeneration.>> Dijkstra
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Impetus73
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Posted: 29th May 2015 15:21
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I get the same error on my brand new computer with sound hardware, if I have no speakers connected. If I connect the speakers, all is good...

A program should work no matter if you have a soundcard, or the speakers are connected. Think server/VM machines/embedded PC's.

----------------
AGK programmer
Did Amiga / AMOS programming in the 90's.
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BatVink
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Posted: 29th May 2015 15:47
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You probably don't have DirectX installed on business PCs either, but it is required for AGK. It uses the Audio components of DirectX.

Also, try this thread...

http://forumfiles.thegamecreators.com/?m=forum_view&t=213049&b=41

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CJB
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Posted: 29th May 2015 16:49 Edited at: 29th May 2015 16:56
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To be more specific, the machines DO have an on-board sound card, but it's the same situation as Impetus73: Windows deactivates the drivers if no speakers or headphones are plugged in.

Directx is installed, and AppGameKit runs fine if headphones are plugged in, but I can't plug headphones in everywhere I want to install my app.

Thanks Batvink - I've checked through those other threads. Couldn't find a solution.

@Paul> If we use SETERRORMODE(0), can we have AppGameKit silently ignore this error and continue? - Something else to fix for the next version

V2 T1 (Mostly)
Uzmadesign
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Paul Johnston
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Posted: 30th May 2015 01:29
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I shall make it a warning instead of an error, so the app will continue even if it can't generate sound.

Quote: "If we use SETERRORMODE(0), can we have AppGameKit silently ignore this error and continue?"


Unfortunately using SetErrorMode(0) in your tier 1 code would run after the sound setup, however if you were to compile your own interpreter and use agk::SetErrorMode(0) before calling agk::InitGL() that would work.
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