SGPlayer: Support auto-pause when enter background.

nickarora · Sep 19, 2019 · 3164515 · 3164515
1 parent 75abf9a
commit 3164515
Show file tree

Hide file tree

Showing 5 changed files with 46 additions and 10 deletions.
diff --git a/SGPlayer/Classes/Core/SGRenderer/SGClock.m b/SGPlayer/Classes/Core/SGRenderer/SGClock.m
@@ -93,7 +93,7 @@ - (void)setAudioTime:(CMTime)time running:(BOOL)running
 
 - (void)setVideoTime:(CMTime)time
 {
-    SGLockCondEXE00(self->_lock, ^BOOL{
+    SGLockCondEXE00(self->_lock, ^BOOL {
         return self->_audioRunning == NO && CMTIME_IS_NUMERIC(time);
     }, ^{
         if (self->_videoRunning == NO) {
@@ -107,7 +107,7 @@ - (void)setVideoTime:(CMTime)time
 
 - (BOOL)open
 {
-    return SGLockCondEXE00(self->_lock, ^BOOL{
+    return SGLockCondEXE00(self->_lock, ^BOOL {
         return self->_audioTimebase == NULL;
     }, ^{
         CMTimebaseCreateWithMasterClock(NULL, self->_masterClock, &self->_playbackTimebase);

diff --git a/SGPlayer/Classes/Core/SGRenderer/SGVideoRenderer.m b/SGPlayer/Classes/Core/SGRenderer/SGVideoRenderer.m
@@ -453,7 +453,7 @@ - (void)drawInMTKView:(MTKView *)view
 
 - (void)mtkView:(MTKView *)view drawableSizeWillChange:(CGSize)size
 {
-    SGLockCondEXE10(self->_lock, ^BOOL{
+    SGLockCondEXE10(self->_lock, ^BOOL {
         return
         self->_flags.state == SGRenderableStateRendering ||
         self->_flags.state == SGRenderableStatePaused ||
@@ -528,7 +528,7 @@ - (void)setDisplayMode:(SGDisplayMode)displayMode
 {
     if (self->_displayMode != displayMode) {
         self->_displayMode = displayMode;
-        SGLockCondEXE10(self->_lock, ^BOOL{
+        SGLockCondEXE10(self->_lock, ^BOOL {
             return
             self->_displayMode != SGDisplayModePlane &&
             (self->_flags.state == SGRenderableStateRendering ||

diff --git a/SGPlayer/Classes/Core/SGSession/SGPacketOutput.m b/SGPlayer/Classes/Core/SGSession/SGPacketOutput.m
@@ -259,7 +259,7 @@ - (void)runningThread
                 SGPacket *packet = nil;
                 NSError *error = [self->_demuxable nextPacket:&packet];
                 if (error) {
-                    SGLockCondEXE10(self->_lock, ^BOOL{
+                    SGLockCondEXE10(self->_lock, ^BOOL {
                         return self->_flags.state == SGPacketOutputStateReading;
                     }, ^SGBlock{
                         return [self setState:SGPacketOutputStateFinished];

diff --git a/SGPlayer/Classes/SGPlayer.h b/SGPlayer/Classes/SGPlayer.h
@@ -120,9 +120,26 @@
 /*!
  @property pausesWhenInterrupted
  @abstract
-    Indicates whether to automatically pause whan audio session is interrupted.
+    Indicates whether to automatically pause when audio session is interrupted.
+    Default is YES.
  */
 @property (nonatomic) BOOL pausesWhenInterrupted;
+
+/*!
+ @property pausesWhenEnteredBackground
+ @abstract
+    Indicates whether to automatically pause when application did enter background.
+    Default is YES.
+ */
+@property (nonatomic) BOOL pausesWhenEnteredBackground;
+
+/*!
+ @property pausesWhenEnteredBackgroundIfNoAudioTrack
+ @abstract
+    Indicates whether to automatically pause when application did enter background if no audio track.
+    Default is YES.
+ */
+@property (nonatomic) BOOL pausesWhenEnteredBackgroundIfNoAudioTrack;
 #endif
 
 /*!

diff --git a/SGPlayer/Classes/SGPlayer.m b/SGPlayer/Classes/SGPlayer.m
@@ -14,6 +14,10 @@
 #import "SGMacro.h"
 #import "SGLock.h"
 
+#if SGPLATFORM_TARGET_OS_IPHONE_OR_TV
+#import <UIKit/UIKit.h>
+#endif
+
 NSString * const SGPlayerTimeInfoUserInfoKey   = @"SGPlayerTimeInfoUserInfoKey";
 NSString * const SGPlayerStateInfoUserInfoKey  = @"SGPlayerStateInfoUserInfoKey";
 NSString * const SGPlayerInfoActionUserInfoKey = @"SGPlayerInfoActionUserInfoKey";
@@ -71,7 +75,10 @@ - (instancetype)init
         self->_notificationQueue = [NSOperationQueue mainQueue];
 #if SGPLATFORM_TARGET_OS_IPHONE_OR_TV
         self->_pausesWhenInterrupted = YES;
+        self->_pausesWhenEnteredBackground = YES;
+        self->_pausesWhenEnteredBackgroundIfNoAudioTrack = YES;
         [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(interruptionHandler:) name:AVAudioSessionInterruptionNotification object:nil];
+        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(enterBackgroundHandler:) name:UIApplicationDidEnterBackgroundNotification object:nil];
 #endif
     }
     return self;
@@ -637,12 +644,24 @@ + (SGInfoAction)infoActionFromUserInfo:(NSDictionary *)userInfo
 #if SGPLATFORM_TARGET_OS_IPHONE_OR_TV
 - (void)interruptionHandler:(NSNotification *)notification
 {
-    if (self->_pausesWhenInterrupted == NO) {
-        return;
+    if (self->_pausesWhenInterrupted == YES) {
+        AVAudioSessionInterruptionType type = [notification.userInfo[AVAudioSessionInterruptionTypeKey] unsignedIntegerValue];
+        if (type == AVAudioSessionInterruptionTypeBegan) {
+            [self pause];
+        }
     }
-    AVAudioSessionInterruptionType type = [notification.userInfo[AVAudioSessionInterruptionTypeKey] unsignedIntegerValue];
-    if (type == AVAudioSessionInterruptionTypeBegan) {
+}
+
+- (void)enterBackgroundHandler:(NSNotification *)notification
+{
+    if (self->_pausesWhenEnteredBackground) {
         [self pause];
+    } else if (self->_pausesWhenEnteredBackgroundIfNoAudioTrack) {
+        SGLockCondEXE11(self->_lock, ^BOOL {
+            return self->_flags.audioAvailable == NO && self->_flags.videoAvailable == YES;
+        }, nil, ^BOOL(SGBlock block) {
+            return [self pause];
+        });
     }
 }
 #endif