iOS支持音频播放

iOS/BDAlphaPlayer/Classes/BDAlphaPlayerMetalView.m

@@ -29,6 +29,8 @@ @interface BDAlphaPlayerMetalView ()
 
 @property (atomic, assign) BOOL hasDestroyed;
 
+@property (nonatomic, strong) AVPlayer *audioPlayer;
+
 @end
 
 @implementation BDAlphaPlayerMetalView
@@ -141,6 +143,16 @@ - (void)play
     [self renderOutput:output resourceModel:self.model completion:^{
         [weakSelf renderCompletion];
     }];
+
+    // 播放音频
+    if (output.audioItem) {
+        AVAudioSession *session = [AVAudioSession sharedInstance];
+        [session setCategory:AVAudioSessionCategoryPlayback error:nil];
+        [session setActive:YES error:nil];
+
+        self.audioPlayer = [[AVPlayer alloc] initWithPlayerItem:output.audioItem];
+        [self.audioPlayer play];
+    }
 }
 
 - (void)renderCompletion

iOS/BDAlphaPlayer/Classes/Reader/BDAlphaPlayerAssetReaderOutput.h

@@ -31,6 +31,8 @@ typedef NS_ENUM(NSUInteger, BDAlphaPlayerAssetReaderOutputErrorCode) {
 
 @property (nonatomic, assign, readonly) CGSize videoSize;
 
+@property (nonatomic, strong, readonly) AVPlayerItem *audioItem;
+
 - (BOOL)hasNextSampleBuffer;
 
 - (CMSampleBufferRef const _Nullable)copyNextSampleBuffer;

iOS/BDAlphaPlayer/Classes/Reader/BDAlphaPlayerAssetReaderOutput.mm

@@ -106,6 +106,14 @@ - (void)setupWithURL:(NSURL *)url error:(NSError * _Nullable __autoreleasing * _
         return;
     }
 
+    // 提取音轨
+    NSArray *audioTracks = [asset tracksWithMediaType:AVMediaTypeAudio];
+    AVAssetTrack *audioTrack = [audioTracks firstObject];
+    if (audioTrack) {
+        // 存在音轨，转成AVPlayerItem
+        _audioItem = [AVPlayerItem playerItemWithAsset:audioTrack.asset];
+    }
+
     NSArray *videoTracks = [asset tracksWithMediaType:AVMediaTypeVideo];
     AVAssetTrack *videoTrack = [videoTracks firstObject];
     if (!videoTrack) {

iOS/Example/BDAlphaPlayerDemo/BDAlphaPlayerDemo/Info.plist

@@ -20,25 +20,6 @@
 	<string>1</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
-	<key>UIApplicationSceneManifest</key>
-	<dict>
-		<key>UIApplicationSupportsMultipleScenes</key>
-		<false/>
-		<key>UISceneConfigurations</key>
-		<dict>
-			<key>UIWindowSceneSessionRoleApplication</key>
-			<array>
-				<dict>
-					<key>UISceneConfigurationName</key>
-					<string>Default Configuration</string>
-					<key>UISceneDelegateClassName</key>
-					<string>SceneDelegate</string>
-					<key>UISceneStoryboardFile</key>
-					<string>Main</string>
-				</dict>
-			</array>
-		</dict>
-	</dict>
 	<key>UIApplicationSupportsIndirectInputEvents</key>
 	<true/>
 	<key>UILaunchStoryboardName</key>

iOS/Example/BDAlphaPlayerDemo/Podfile.lock

@@ -1,5 +1,5 @@
 PODS:
-  - BDAlphaPlayer (1.1.0)
+  - BDAlphaPlayer (1.2.0)
 
 DEPENDENCIES:
   - BDAlphaPlayer (from `../../../`)
@@ -9,8 +9,8 @@ EXTERNAL SOURCES:
     :path: "../../../"
 
 SPEC CHECKSUMS:
-  BDAlphaPlayer: 6ec0535dbbac6b089e94acb5559dcdf77dd1d5a8
+  BDAlphaPlayer: 8af2048ee8ef8c31a73a99f83882cf4242e89df0
 
 PODFILE CHECKSUM: a2a7c83a00e25dc193359c91e412457a63e7fbad
 
-COCOAPODS: 1.8.4
+COCOAPODS: 1.10.1