1.音量键响应

创维盒子/双子星云手机/webRtc/webRtcPlayerViewController.m

@@ -10,7 +10,9 @@
 #import "webRtcPlayerBottomContrView.h"
 
 @interface webRtcPlayerViewController ()<MediaStreamClientEventsDelegate>
-
+{
+    BOOL outputVolumeKVO;/*标记声音监听通知*/
+}
 @property (nonatomic, copy)   NSTimer      *playerSecondTimer; // 定时器-控制按钮
 @property (nonatomic, assign) NSInteger          concentTime; // 拉流数据 渲染更新时间戳 /**30s后 渲染时间戳无更新 自动断开链接*/
 @property(nonatomic,strong)webRtcPlayerBottomContrView    *bottomContrView;//底部按钮 选项 home 返回
@@ -43,6 +45,7 @@
 {
     [super viewDidAppear:animated];
     [self noEnablePanRightBack];
+    [self addKVOObserverFun];
 }
 
 - (void)viewDidDisappear:(BOOL)animated{
@@ -50,6 +53,7 @@
     
     [_mediaStream disconnect];
     [self enablePanRightBack];
+    [self removeKVOObserverFun];
 }
 
 - (void)setWebRtcMsgMod:(webRtcMsgModel *)webRtcMsgMod
@@ -216,7 +220,45 @@
     [_mediaStream sendKey:keyType];
 }
 
+#pragma mark -- /*通知添加与移除*/
+- (void)addKVOObserverFun
+{
+    outputVolumeKVO = YES;
+    [[AVAudioSession sharedInstance] addObserver:self forKeyPath:@"outputVolume" options:NSKeyValueObservingOptionNew | NSKeyValueObservingOptionOld context:(void *)[AVAudioSession sharedInstance]];
+    
+}
 
+- (void)removeKVOObserverFun
+{
+    if (outputVolumeKVO)
+    {
+        [[AVAudioSession sharedInstance] removeObserver:self forKeyPath:@"outputVolume" context:(void *)[AVAudioSession sharedInstance]];
+        outputVolumeKVO = NO;
+    }
+    
+}
+
+#pragma mark 系统音量键监听
+- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context{
+
+    if(context == (__bridge void *)[AVAudioSession sharedInstance])
+    {
+        /*音量开关打开时 允许发送指令  否则直接返回*/
+        float newValue = [[change objectForKey:@"new"] floatValue];
+        float oldValue = [[change objectForKey:@"old"] floatValue];
+        //HLog(@"音量 --old: %f ---new: %f",oldValue,newValue)
+        if (newValue > oldValue)
+        {
+            HLog(@"\n-----音量增加");
+            [self didClickKeyEventFunBy:24];
+        }
+        else
+        {
+            HLog(@"\n-----音量降低");
+            [self didClickKeyEventFunBy:25];
+        }
+    }
+}
 
 #pragma mark WebRTC 回调 MediaStreamClientEventsDelegate
 #pragma mark - 宽高变化