made iOS only(for my needs) and attempted background.

AudioStreamer/AudioStreamer.h

@@ -24,9 +24,13 @@
 /* This file has been heavily modified since its original distribution bytes
    Alex Crichton for the Hermes project */
 
+#import <UIKit/UIKit.h>
+
 #import <AudioToolbox/AudioToolbox.h>
 #import <Foundation/Foundation.h>
 
+#include <pthread.h>
+
 /* Maximum number of packets which can be contained in one buffer */
 #define kAQMaxPacketDescs 512
 
@@ -162,6 +166,9 @@ struct queued_packet;
  * AudioStreamer objects need to be created/managed.
  */
 @interface AudioStreamer : NSObject {
+	#if TARGET_OS_IPHONE
+		UIBackgroundTaskIdentifier bgTaskId; //background support related code
+	#endif
   /* Properties specified before the stream starts. None of these properties
    * should be changed after the stream has started or otherwise it could cause
    * internal inconsistencies in the stream. Detail explanations of each

AudioStreamer/AudioStreamer.m

@@ -26,6 +26,8 @@
 
 #import "AudioStreamer.h"
 
+#import "UIDevice+Hardware.h"
+
 #define BitRateEstimationMaxPackets 5000
 #define BitRateEstimationMinPackets 50
 
@@ -260,6 +262,11 @@ - (BOOL) pause {
   if (state_ != AS_PLAYING) return NO;
   assert(audioQueue != NULL);
   err = AudioQueuePause(audioQueue);
+	if ([[UIDevice currentDevice] respondsToSelector:@selector(isMultitaskingSupported)]) { //background support related code
+		if (bgTaskId != UIBackgroundTaskInvalid) {
+			bgTaskId = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:NULL];
+		}
+	}
   if (err) {
     [self failWithErrorCode:AS_AUDIO_QUEUE_PAUSE_FAILED];
     return NO;
@@ -272,6 +279,11 @@ - (BOOL) play {
   if (state_ != AS_PAUSED) return NO;
   assert(audioQueue != NULL);
   err = AudioQueueStart(audioQueue, NULL);
+
+	if ([[UIDevice currentDevice] respondsToSelector:@selector(isMultitaskingSupported)]) { //background support related code
+		bgTaskId = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:NULL];
+	}
+
   if (err) {
     [self failWithErrorCode:AS_AUDIO_QUEUE_START_FAILED];
     return NO;
@@ -796,6 +808,11 @@ - (int) enqueueBuffer {
   assert(packetsFilled > 0);
   err = AudioQueueEnqueueBuffer(audioQueue, fillBuf, packetsFilled,
                                 packetDescs);
+
+	if (bgTaskId != UIBackgroundTaskInvalid) {
+		bgTaskId = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:NULL];
+	}
+
   if (err) {
     [self failWithErrorCode:AS_AUDIO_QUEUE_ENQUEUE_FAILED];
     return -1;
@@ -807,6 +824,12 @@ - (int) enqueueBuffer {
      * start the audio queue and the file stream should remain ahead of it */
     if (bufferCnt < 3 || buffersUsed > 2) {
       err = AudioQueueStart(audioQueue, NULL);
+
+		if ([[UIDevice currentDevice] respondsToSelector:@selector(isMultitaskingSupported)]) {  //background support related code
+			bgTaskId = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:NULL];
+		}
+
+
       if (err) {
         [self failWithErrorCode:AS_AUDIO_QUEUE_START_FAILED];
         return -1;
@@ -826,6 +849,11 @@ - (int) enqueueBuffer {
   if (queued_head == NULL &&
       CFReadStreamGetStatus(stream) == kCFStreamStatusAtEnd) {
     err = AudioQueueFlush(audioQueue);
+
+	  if ([[UIDevice currentDevice] respondsToSelector:@selector(isMultitaskingSupported)]) {
+		  bgTaskId = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:NULL];
+	  }
+
     if (err) {
       [self failWithErrorCode:AS_AUDIO_QUEUE_FLUSH_FAILED];
       return -1;