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RCTVideoAudio.m
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RCTVideoAudio.m
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//
// RCTVideoAudio.m
// RCTVideo
//
// Created by Alex Jarvis on 14/03/2017.
//
#import "RCTVideoAudio.h"
@interface RCTVideoAudio()
@property (atomic) NSUInteger count;
@end
@implementation RCTVideoAudio
+ (instancetype)sharedInstance
{
static RCTVideoAudio *sharedInstance = nil;
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
sharedInstance = [[RCTVideoAudio alloc] init];
sharedInstance.count = 0;
});
return sharedInstance;
}
- (void)addComponent
{
NSUInteger previousCount = self.count;
self.count = previousCount + 1;
[self setAudioSessionWithCount:self.count previousCount:previousCount];
}
- (void)removeComponent
{
NSUInteger previousCount = self.count;
self.count = MAX(0, previousCount - 1);
[self setAudioSessionWithCount:self.count previousCount:previousCount];
}
- (void)setAudioSessionWithCount:(NSUInteger)count previousCount:(NSUInteger)previousCount
{
if (count > 0 && previousCount == 0) {
[[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryPlayback error:nil];
[[AVAudioSession sharedInstance] setActive:YES error:nil];
} else if (count == 0 && previousCount > 0) {
// Delay to prevent error:
// Deactivating an audio session that has running I/O. All I/O should be stopped or paused prior to deactivating the audio session.
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
[[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryAmbient error:nil];
[[AVAudioSession sharedInstance] setActive:NO error:nil];
});
}
}
@end