Adds generic nearest and smooth scalers

Smooth is slower (10-15%) than a scaler built for a specific
resolution. Works well for downscaling and for odd screen ratios until
a custom scaler is built.

Replaces the snes smooth scaler (outperforms it) and the gba smooth
scaler (looks better)

1 files changed, 1 insertions, 1 deletions

diff --git a/options.h b/options.h
index 908b7e5..614e3d2 100644
--- a/options.h
+++ b/options.h
@@ -6,7 +6,7 @@
 extern int show_fps;
 extern int limit_frames;
 extern int enable_audio;
-extern int audio_buffer_size;
+extern unsigned audio_buffer_size;
 extern enum scale_size scale_size;
 extern enum scale_filter scale_filter;