From 848177551c24d826a39e850406c1e11e7f5a243d Mon Sep 17 00:00:00 2001
From: AG Liber <aliber@usc.edu>
Date: Tue, 16 Feb 2021 22:15:46 -0800
Subject: [PATCH] fix(iOS): prevent crash with headset/bluetooth (#294)

---
 ios/Voice/Voice.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ios/Voice/Voice.m b/ios/Voice/Voice.m
index 780dec8a..0fc2af69 100644
--- a/ios/Voice/Voice.m
+++ b/ios/Voice/Voice.m
@@ -224,7 +224,7 @@ - (void) setupAndStartRecognizing:(NSString*)localeStr {
         [mixer installTapOnBus:0 bufferSize:1024 format:recordingFormat block:^(AVAudioPCMBuffer * _Nonnull buffer, AVAudioTime * _Nonnull when) {
             //Volume Level Metering
             //Buffer frame can be reduced, if you need more output values
-            [buffer setFrameLength:4096];
+            [buffer setFrameLength: buffer.frameCapacity];
             UInt32 inNumberFrames = buffer.frameLength;
             float LEVEL_LOWPASS_TRIG = 0.5;
             if(buffer.format.channelCount>0)