From bd29bb0bad4815bbca324f6e21f2ee0cb632ae63 Mon Sep 17 00:00:00 2001
From: David Reid <mackron@gmail.com>
Date: Thu, 15 Nov 2018 20:05:38 +1000
Subject: [PATCH] Stop spamming the callback on the null backend.

---
 mini_al.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mini_al.h b/mini_al.h
index 52de8f12..9f32bb92 100644
--- a/mini_al.h
+++ b/mini_al.h
@@ -4917,11 +4917,11 @@ mal_uint32 mal_device__wait_for_frames__null(mal_device* pDevice)
 
     while (!pDevice->null_device.breakFromMainLoop) {
         mal_uint32 framesAvailable = mal_device__get_available_frames__null(pDevice);
-        if (framesAvailable > 0) {
+        if (framesAvailable >= (pDevice->bufferSizeInFrames/pDevice->periods)) {
             return framesAvailable;
         }
 
-        mal_sleep(16);
+        mal_sleep(pDevice->bufferSizeInMilliseconds/pDevice->periods);
     }
 
     // We'll get here if the loop was terminated. Just return whatever's available.