From 9d4c49aaf0c0fadd53ce93ac46e36e76fd997a4a Mon Sep 17 00:00:00 2001
From: majun <mj@akka.co>
Date: Thu, 17 Mar 2016 14:49:21 +0800
Subject: [PATCH] modify EZAudioDevice internal implementation to make
 enumeration methods work like NSArray;

---
 EZAudio/EZAudioDevice.m | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/EZAudio/EZAudioDevice.m b/EZAudio/EZAudioDevice.m
index 6eacc2f6..64c7e93f 100644
--- a/EZAudio/EZAudioDevice.m
+++ b/EZAudio/EZAudioDevice.m
@@ -117,7 +117,7 @@ + (void)enumerateInputDevicesUsingBlock:(void (^)(EZAudioDevice *, BOOL *))block
         return;
     }
     
-    BOOL stop;
+    BOOL stop = NO;
     for (AVAudioSessionPortDescription *inputDevicePortDescription in inputs)
     {
         // add any additional sub-devices
@@ -130,6 +130,10 @@ + (void)enumerateInputDevicesUsingBlock:(void (^)(EZAudioDevice *, BOOL *))block
                 device.port = inputDevicePortDescription;
                 device.dataSource = inputDeviceDataSourceDescription;
                 block(device, &stop);
+                if (stop)
+                {
+                    break;
+                }
             }
         }
         else
@@ -153,7 +157,7 @@ + (void)enumerateOutputDevicesUsingBlock:(void (^)(EZAudioDevice *, BOOL *))bloc
     AVAudioSessionRouteDescription *currentRoute = [[AVAudioSession sharedInstance] currentRoute];
     NSArray *portDescriptions = [currentRoute outputs];
     
-    BOOL stop;
+    BOOL stop = NO;
     for (AVAudioSessionPortDescription *outputDevicePortDescription in portDescriptions)
     {
         // add any additional sub-devices
@@ -166,6 +170,10 @@ + (void)enumerateOutputDevicesUsingBlock:(void (^)(EZAudioDevice *, BOOL *))bloc
                 device.port = outputDevicePortDescription;
                 device.dataSource = outputDeviceDataSourceDescription;
                 block(device, &stop);
+                if (stop)
+                {
+                    break;
+                }
             }
         }
         else