Use the kAudioSessionSetActiveFlag_NotifyOthersOnDeactivation flag when...

Use the kAudioSessionSetActiveFlag_NotifyOthersOnDeactivation flag when deactivating the audio session.

This enables music playing to be restored when a call terminates.

src/audiofilters/aqsnd.c

@@ -784,7 +784,8 @@ static void aq_stop_r(MSFilter * f)
 		AudioQueueDispose(d->readQueue, true);
 
 #if TARGET_OS_IPHONE
-		check_aqresult(AudioSessionSetActive(false),"AudioSessionSetActive(false)");
+        OSStatus aqresult = AudioSessionSetActiveWithFlags(false, kAudioSessionSetActiveFlag_NotifyOthersOnDeactivation);
+ 		check_aqresult(aqresult,"AudioSessionSetActive(false)");
 #endif
 	}
 }
@@ -884,7 +885,8 @@ static void aq_stop_w(MSFilter * f)
 		AudioQueueDispose(d->writeQueue, true);
 
 #if TARGET_OS_IPHONE
-		check_aqresult(AudioSessionSetActive(false),"AudioSessionSetActive(false)");
+        OSStatus aqresult = AudioSessionSetActiveWithFlags(false, kAudioSessionSetActiveFlag_NotifyOthersOnDeactivation);
+ 		check_aqresult(aqresult,"AudioSessionSetActive(false)");
 #endif
 	}
 }

src/audiofilters/msiounit.m

@@ -497,7 +497,8 @@ static void  destroy_audio_unit (au_card_t* d) {
 		AudioComponentInstanceDispose (d->io_unit);
 		d->io_unit=NULL;
 		if (!d->is_fast) {
-			check_au_session_result(AudioSessionSetActive(false),"AudioSessionSetActive(false)");
+            OSStatus auresult = AudioSessionSetActiveWithFlags(false, kAudioSessionSetActiveFlag_NotifyOthersOnDeactivation);
+			check_au_session_result(auresult,"AudioSessionSetActive(false)");
 		}
 		ms_message("AudioUnit destroyed");
 	}