From 06296a58ed09b4570b34bb6fdcdb87a59c3b89a3 Mon Sep 17 00:00:00 2001
From: Gary Scavone <gary@music.mcgill.ca>
Date: Mon, 23 Feb 2015 13:54:50 -0500
Subject: Small ASIO update to support buffersize value of 0 (setting to
 preferred size).

---
 RtAudio.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'RtAudio.cpp')

diff --git a/RtAudio.cpp b/RtAudio.cpp
index 31bef71..4d4c85f 100644
--- a/RtAudio.cpp
+++ b/RtAudio.cpp
@@ -3012,7 +3012,8 @@ bool RtApiAsio :: probeDeviceOpen( unsigned int device, StreamMode mode, unsigne
     *bufferSize = stream_.bufferSize;
 
   } else {
-    if ( *bufferSize < (unsigned int) minSize ) *bufferSize = (unsigned int) minSize;
+    if ( *bufferSize == 0 ) *bufferSize = preferSize;
+    else if ( *bufferSize < (unsigned int) minSize ) *bufferSize = (unsigned int) minSize;
     else if ( *bufferSize > (unsigned int) maxSize ) *bufferSize = (unsigned int) maxSize;
     else if ( granularity == -1 ) {
       // Make sure bufferSize is a power of two.
-- 
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