ios: handle audio interruption

ios/IJKMediaPlayer/IJKMediaPlayer.xcodeproj/project.pbxproj

@@ -42,6 +42,7 @@
 		E690403217EAFC6100CFD954 /* ijksdl_thread.c in Sources */ = {isa = PBXBuildFile; fileRef = E690400C17EAFC6100CFD954 /* ijksdl_thread.c */; };
 		E690403317EAFC6100CFD954 /* ijksdl_timer.c in Sources */ = {isa = PBXBuildFile; fileRef = E690400E17EAFC6100CFD954 /* ijksdl_timer.c */; };
 		E690403417EAFC6100CFD954 /* ijksdl_vout.c in Sources */ = {isa = PBXBuildFile; fileRef = E690401117EAFC6100CFD954 /* ijksdl_vout.c */; };
+		E6EE92A3187810C5009EAB56 /* IJKAudioKit.m in Sources */ = {isa = PBXBuildFile; fileRef = E6EE92A2187810C5009EAB56 /* IJKAudioKit.m */; };
 		E6F727B817F2B1B10043623F /* IJKMediaModule.m in Sources */ = {isa = PBXBuildFile; fileRef = E6F727B717F2B1B10043623F /* IJKMediaModule.m */; };
 		E6F727BB17F2D9D40043623F /* IJKFFMoviePlayerDef.m in Sources */ = {isa = PBXBuildFile; fileRef = E6F727BA17F2D9D30043623F /* IJKFFMoviePlayerDef.m */; };
 		E6F727BC17F40C1C0043623F /* IJKMediaPlayer.h in CopyFiles */ = {isa = PBXBuildFile; fileRef = E66F8DC217EECB1E00354D80 /* IJKMediaPlayer.h */; };
@@ -225,6 +226,8 @@
 		E690403717EB079500CFD954 /* ijklog.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ijklog.h; sourceTree = "<group>"; };
 		E690403917EB079500CFD954 /* ijkutil_ios.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ijkutil_ios.h; sourceTree = "<group>"; };
 		E690403A17EB079500CFD954 /* loghelp.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = loghelp.h; sourceTree = "<group>"; };
+		E6EE92A1187810C5009EAB56 /* IJKAudioKit.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = IJKAudioKit.h; path = IJKMediaPlayer/IJKAudioKit.h; sourceTree = "<group>"; };
+		E6EE92A2187810C5009EAB56 /* IJKAudioKit.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = IJKAudioKit.m; path = IJKMediaPlayer/IJKAudioKit.m; sourceTree = "<group>"; };
 		E6F727B617F2B1B10043623F /* IJKMediaModule.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = IJKMediaModule.h; path = IJKMediaPlayer/IJKMediaModule.h; sourceTree = "<group>"; };
 		E6F727B717F2B1B10043623F /* IJKMediaModule.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = IJKMediaModule.m; path = IJKMediaPlayer/IJKMediaModule.m; sourceTree = "<group>"; };
 		E6F727B917F2D9D30043623F /* IJKFFMoviePlayerDef.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = IJKFFMoviePlayerDef.h; sourceTree = "<group>"; };
@@ -615,6 +618,8 @@
 				E66F8DC217EECB1E00354D80 /* IJKMediaPlayer.h */,
 				E6716E491807E5FC00B3FBC1 /* IJKMediaUtils.h */,
 				E6716E4A1807E5FC00B3FBC1 /* IJKMediaUtils.m */,
+				E6EE92A1187810C5009EAB56 /* IJKAudioKit.h */,
+				E6EE92A2187810C5009EAB56 /* IJKAudioKit.m */,
 			);
 			name = IJKMediaPlayer;
 			sourceTree = "<group>";
@@ -670,6 +675,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				E6EE92A3187810C5009EAB56 /* IJKAudioKit.m in Sources */,
 				E690401F17EAFC6100CFD954 /* ff_cmdutils.c in Sources */,
 				E690402017EAFC6100CFD954 /* ff_ffplay.c in Sources */,
 				E690402717EAFC6100CFD954 /* image_convert.c in Sources */,

ios/IJKMediaPlayer/IJKMediaPlayer/IJKAudioKit.h

+//
+//  IJKAudioKit.h
+//  IJKMediaPlayer
+//
+//  Created by ZhangRui on 14-1-4.
+//  Copyright (c) 2014年 bilibili. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@protocol IJKAudioSessionDelegate <NSObject>
+
+- (void)ijkAudioBeginInterruption;
+- (void)ijkAudioEndInterruption;
+
+@end
+
+@interface IJKAudioKit : NSObject
+
++ (IJKAudioKit *)sharedInstance;
+- (void)setupAudioSession:(id<IJKAudioSessionDelegate>) delegate;
+
+@end

ios/IJKMediaPlayer/IJKMediaPlayer/IJKAudioKit.m

+//
+//  IJKAudioKit.m
+//  IJKMediaPlayer
+//
+//  Created by ZhangRui on 14-1-4.
+//  Copyright (c) 2014年 bilibili. All rights reserved.
+//
+
+#import "IJKAudioKit.h"
+
+@implementation IJKAudioKit {
+    __weak id<IJKAudioSessionDelegate> _delegate;
+
+    BOOL _audioSessionInitialized;
+}
+
++ (IJKAudioKit *)sharedInstance
+{
+    static IJKAudioKit *sAudioKit = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        sAudioKit = [[IJKAudioKit alloc] init];
+    });
+    return sAudioKit;
+}
+
+- (void)setupAudioSession:(id<IJKAudioSessionDelegate>) delegate
+{
+    _delegate = nil;
+    if (delegate == nil) {
+        return;
+    }
+
+    OSStatus status = noErr;
+    if (!_audioSessionInitialized) {
+        status = AudioSessionInitialize(NULL,
+                                        kCFRunLoopCommonModes,
+                                        IjkAudioSessionInterruptionListener,
+                                        NULL);
+        if (status != noErr) {
+            NSLog(@"IJKAudioKit: AudioSessionInitialize failed (%d)", (int)status);
+            return;
+        }
+        _audioSessionInitialized = YES;
+    }
+
+    /* Set audio session to mediaplayback */
+    UInt32 sessionCategory = kAudioSessionCategory_MediaPlayback;
+    status = AudioSessionSetProperty(kAudioSessionProperty_AudioCategory, sizeof(sessionCategory), &sessionCategory);
+    if (status != noErr) {
+        NSLog(@"IJKAudioKit: AudioSessionSetProperty(kAudioSessionProperty_AudioCategory) failed (%d)", (int)status);
+        return;
+    }
+
+    status = AudioSessionSetActive(true);
+    if (status != noErr) {
+        NSLog(@"IJKAudioKit: AudioSessionSetActive(true) failed (%d)", (int)status);
+        return;
+    }
+
+    _delegate = delegate;
+    return ;
+}
+
+static void IjkAudioSessionInterruptionListener(void *inClientData, UInt32 inInterruptionState)
+{
+    id<IJKAudioSessionDelegate> delegate = [IJKAudioKit sharedInstance]->_delegate;
+    if (delegate == nil)
+        return;
+
+    switch (inInterruptionState) {
+        case kAudioSessionBeginInterruption: {
+            NSLog(@"kAudioSessionBeginInterruption\n");
+            dispatch_async(dispatch_get_main_queue(), ^{
+                AudioSessionSetActive(false);
+                [delegate ijkAudioBeginInterruption];
+            });
+            break;
+        }
+        case kAudioSessionEndInterruption: {
+            NSLog(@"kAudioSessionEndInterruption\n");
+            dispatch_async(dispatch_get_main_queue(), ^{
+                AudioSessionSetActive(true);
+                [delegate ijkAudioEndInterruption];
+            });
+            break;
+        }
+    }
+}
+
+@end

ios/IJKMediaPlayer/IJKMediaPlayer/IJKMPMoviePlayerController.m

@@ -21,6 +21,10 @@
  */
 
 #import "IJKMPMoviePlayerController.h"
+#import "IJKAudioKit.h"
+
+@interface IJKMPMoviePlayerController() <IJKAudioSessionDelegate>
+@end
 
 @implementation IJKMPMoviePlayerController
 
@@ -50,9 +54,11 @@
         self.controlStyle = MPMovieControlStyleNone;
         self.scalingMode = MPMovieScalingModeAspectFit;
         self.shouldAutoplay = YES;
-        self.useApplicationAudioSession = NO;
 
         [self IJK_installMovieNotificationObservers];
+
+        self.useApplicationAudioSession = YES;
+        [[IJKAudioKit sharedInstance] setupAudioSession:self];
     }
     return self;
 }
@@ -132,4 +138,16 @@
     [[NSNotificationCenter defaultCenter] postNotificationName:IJKMoviePlayerPlaybackStateDidChangeNotification object:notification.object userInfo:notification.userInfo];
 }
 
+#pragma mark IJKAudioSessionDelegate
+
+- (void)ijkAudioBeginInterruption
+{
+    [self pause];
+}
+
+- (void)ijkAudioEndInterruption
+{
+    [self pause];
+}
+
 @end