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lavd/avfoundation.m: Remove transport controls for iOS.

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This commit is contained in:
Thilo Borgmann 2020-04-04 13:49:46 +02:00
parent 68d9c0be89
commit 3c9185bf3a
1 changed files with 10 additions and 2 deletions
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12
libavdevice/avfoundation.m
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@ -168,6 +168,7 @@ static void unlock_frames(AVFContext* ctx)
_context = context;
// start observing if a device is set for it
#if !TARGET_OS_IPHONE && __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
if (_context->observed_device) {
NSString *keyPath = NSStringFromSelector(@selector(transportControlsPlaybackMode));
NSKeyValueObservingOptions options = NSKeyValueObservingOptionNew;
@ -177,14 +178,19 @@ static void unlock_frames(AVFContext* ctx)
options: options
context: _context];
}
#endif
}
return self;
}
- (void)dealloc {
// stop observing if a device is set for it
NSString *keyPath = NSStringFromSelector(@selector(transportControlsPlaybackMode));
[_context->observed_device removeObserver: self forKeyPath: keyPath];
#if !TARGET_OS_IPHONE && __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
if (_context->observed_device) {
NSString *keyPath = NSStringFromSelector(@selector(transportControlsPlaybackMode));
[_context->observed_device removeObserver: self forKeyPath: keyPath];
}
#endif
[super dealloc];
}
@ -537,6 +543,7 @@ static int add_video_device(AVFormatContext *s, AVCaptureDevice *video_device)
}
[ctx->video_output setAlwaysDiscardsLateVideoFrames:ctx->drop_late_frames];
#if !TARGET_OS_IPHONE && __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
// check for transport control support and set observer device if supported
int trans_ctrl = [video_device transportControlsSupported];
AVCaptureDeviceTransportControlsPlaybackMode trans_mode = [video_device transportControlsPlaybackMode];
@ -545,6 +552,7 @@ static int add_video_device(AVFormatContext *s, AVCaptureDevice *video_device)
ctx->observed_mode = trans_mode;
ctx->observed_device = video_device;
}
#endif
ctx->avf_delegate = [[AVFFrameReceiver alloc] initWithContext:ctx];