latency in SDL2 audio

[David Griffith <dave%661.org@localhost>]

I'm experiencing a palpable latency in starting sounds with SDL2. 
Because these sounds are game sound effects, the impact is rather jarring. 
After some discussion in #netbsd on Freenode, it was suggested that I use 
AUDIO_PLAY_ALL instead of AUDIO_PLAY to do this.  It was also told to me 
that NetBSD 9 uses AUDIO_PLAY_ALL as default.  But my testing has been 
with version 8 and so I got the delay.  Digging further, I discover that 
AUDIO_PLAY_ALL is a flag passed to some ioctl.  Unfortunately, I can't 
discover via Google how to use this flag.  All I'm getting are hits on 
CHANGES.prev describing this new flag for NetBSD 2.0.3, but nothing more 
useful than that.


--
David Griffith
dave%661.org@localhost

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