Sound

OpenAL

Different OpenAL implementations currently are used for the supported platform:

• iOS - native
• Mac OS X - native
• Android - OpenAL Soft (built from source)
• Linux - native

OpenAL soft

A configuration file the target platform is required in src/openal/config/PLATFORM/config.h

Wasapi

On windows we use Wasapi sound api

Android latency issues

We currently have latency issues on Android. One way to reduce the latency is to set

device->NumUpdates = 1;
device->UpdateSize = 64;

in Alc.c. The impact on low-end devices is however unknown and the change is only tested on Samsung Galaxy S2.

Links:

• http://www.youtube.com/watch?v=d3kfEeMZ65c
• https://code.google.com/p/high-performance-audio
• http://stackoverflow.com/questions/14842803/low-latency-audio-playback-on-android

Future

• Change to OpenAL Soft on all platforms
• Support Neon on Android. Detection of Neon instruction set is probably required