135 lines
3.7 KiB
Objective-C
135 lines
3.7 KiB
Objective-C
#import "RCTBridgeModule.h"
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#import "RCTLog.h"
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#import <AVFoundation/AVFoundation.h>
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@interface AudioMode : NSObject<RCTBridgeModule>
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@end
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@implementation AudioMode {
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NSString *_category;
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NSString *_mode;
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}
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RCT_EXPORT_MODULE();
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typedef enum {
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kAudioModeDefault,
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kAudioModeAudioCall,
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kAudioModeVideoCall
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} JitsiMeetAudioMode;
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- (NSDictionary *)constantsToExport {
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return @{
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@"AUDIO_CALL" : [NSNumber numberWithInt: kAudioModeAudioCall],
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@"DEFAULT" : [NSNumber numberWithInt: kAudioModeDefault],
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@"VIDEO_CALL" : [NSNumber numberWithInt: kAudioModeVideoCall]
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};
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};
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- (instancetype)init {
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self = [super init];
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if (self) {
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_category = nil;
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_mode = nil;
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}
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return self;
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}
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- (dispatch_queue_t)methodQueue {
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// Make sure all our methods run in the main thread. The route change
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// notification runs there so this will make sure it will only be fired
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// after our changes have been applied (when we cause them, that is).
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return dispatch_get_main_queue();
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}
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- (void)routeChanged:(NSNotification*)notification {
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NSInteger reason
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= [[notification.userInfo
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valueForKey:AVAudioSessionRouteChangeReasonKey]
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integerValue];
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switch (reason) {
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case AVAudioSessionRouteChangeReasonCategoryChange:
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// The category has changed. Check if it's the one we want and adjust as
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// needed.
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[self setCategory:_category mode:_mode error:nil];
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break;
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default:
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// Do nothing.
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break;
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}
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}
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- (BOOL)setCategory:(NSString *)category
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mode:(NSString *)mode
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error:(NSError * _Nullable *)outError {
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AVAudioSession *session = [AVAudioSession sharedInstance];
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if (session.category != category
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&& ![session setCategory:category error:outError]) {
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RCTLogError(@"Failed to (re)apply specified AVAudioSession category!");
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return NO;
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}
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if (session.mode != mode && ![session setMode:mode error:outError]) {
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RCTLogError(@"Failed to (re)apply specified AVAudioSession mode!");
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return NO;
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}
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return YES;
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}
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RCT_EXPORT_METHOD(setMode:(int)mode
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resolve:(RCTPromiseResolveBlock)resolve
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reject:(RCTPromiseRejectBlock)reject) {
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NSString *avCategory;
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NSString *avMode;
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NSError *error;
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switch (mode) {
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case kAudioModeAudioCall:
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avCategory = AVAudioSessionCategoryPlayAndRecord;
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avMode = AVAudioSessionModeVoiceChat;
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break;
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case kAudioModeDefault:
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avCategory = AVAudioSessionCategorySoloAmbient;
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avMode = AVAudioSessionModeDefault;
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break;
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case kAudioModeVideoCall:
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avCategory = AVAudioSessionCategoryPlayAndRecord;
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avMode = AVAudioSessionModeVideoChat;
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break;
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default:
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reject(@"setMode", @"Invalid mode", nil);
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return;
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}
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if (![self setCategory:avCategory mode:avMode error:&error] || error) {
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reject(@"setMode", error.localizedDescription, error);
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return;
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}
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// Even though the specified category and mode were successfully set, the
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// AVAudioSession is a singleton and other parts of the application such as
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// WebRTC may undo the settings. Make sure that the settings are reapplied
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// upon undoes.
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if (!_category || !_mode) {
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[[NSNotificationCenter defaultCenter]
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addObserver:self
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selector:@selector(routeChanged:)
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name:AVAudioSessionRouteChangeNotification
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object:nil];
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}
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// Save the desired/specified category and mode so that they may be
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// reapplied (upon undoes as described above).
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_category = avCategory;
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_mode = avMode;
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resolve(nil);
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}
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@end
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