From 45e6edb28e5b09e8cf5404b6c6eab6a085a90819 Mon Sep 17 00:00:00 2001
From: Atli Thorbjornsson <atli@gangverk.is>
Date: Mon, 8 Apr 2013 10:49:47 +0000
Subject: [PATCH] Created a new internal state -
 AudioPlayerInternalStateRebuffering, it's mostly cosmetic so users of
 Audjustable are informed when playback pauses because the buffers have dried
 up

---
 Audjustable/Classes/AudioPlayer/AudioPlayer.h |  5 +++--
 Audjustable/Classes/AudioPlayer/AudioPlayer.m | 11 +++++++++++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/Audjustable/Classes/AudioPlayer/AudioPlayer.h b/Audjustable/Classes/AudioPlayer/AudioPlayer.h
index 6470d76..8f2f551 100644
--- a/Audjustable/Classes/AudioPlayer/AudioPlayer.h
+++ b/Audjustable/Classes/AudioPlayer/AudioPlayer.h
@@ -49,8 +49,9 @@ typedef enum
     AudioPlayerInternalStatePlaying = (1 << 1) | AudioPlayerInternalStateRunning,
 	AudioPlayerInternalStateStartingThread = (1 << 2) | AudioPlayerInternalStateRunning,
 	AudioPlayerInternalStateWaitingForData = (1 << 3) | AudioPlayerInternalStateRunning,
-    AudioPlayerInternalStateWaitingForQueueToStart = (1 << 5) | AudioPlayerInternalStateRunning,
-    AudioPlayerInternalStatePaused = (1 << 6) | AudioPlayerInternalStateRunning,
+    AudioPlayerInternalStateWaitingForQueueToStart = (1 << 4) | AudioPlayerInternalStateRunning,
+    AudioPlayerInternalStatePaused = (1 << 5) | AudioPlayerInternalStateRunning,
+    AudioPlayerInternalStateRebuffering = (1 << 6) | AudioPlayerInternalStateRunning,
     AudioPlayerInternalStateStopping = (1 << 7),
     AudioPlayerInternalStateStopped = (1 << 8),
     AudioPlayerInternalStateDisposed = (1 << 9),
diff --git a/Audjustable/Classes/AudioPlayer/AudioPlayer.m b/Audjustable/Classes/AudioPlayer/AudioPlayer.m
index 99ff92a..e59d234 100644
--- a/Audjustable/Classes/AudioPlayer/AudioPlayer.m
+++ b/Audjustable/Classes/AudioPlayer/AudioPlayer.m
@@ -338,6 +338,7 @@ static void AudioQueueIsRunningCallbackProc(void* userData, AudioQueueRef audioQ
         case AudioPlayerInternalStateWaitingForData:
         case AudioPlayerInternalStateWaitingForQueueToStart:
         case AudioPlayerInternalStatePlaying:
+        case AudioPlayerInternalStateRebuffering:
             newState = AudioPlayerStatePlaying;
             break;
         case AudioPlayerInternalStateStopping:
@@ -872,6 +873,11 @@ static void AudioQueueIsRunningCallbackProc(void* userData, AudioQueueRef audioQ
         signal = YES;
     }
     
+    if (!audioQueueFlushing && [self progress] > 4.0 && numberOfBuffersUsed == 0 ) {
+        self.internalState = AudioPlayerInternalStateRebuffering;
+    }
+
+    
     if (!audioQueueFlushing)
     {
         if (entry != nil)
@@ -1018,6 +1024,11 @@ static void AudioQueueIsRunningCallbackProc(void* userData, AudioQueueRef audioQ
             }
         }
         
+        if (self.internalState == AudioPlayerInternalStateRebuffering && numberOfBuffersUsed >= AudioPlayerBuffersNeededToStart) {
+            self.internalState =AudioPlayerInternalStatePlaying;
+        }
+
+        
         if (++fillBufferIndex >= audioQueueBufferCount)
         {
             fillBufferIndex = 0;