_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;
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];
}
}
[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];
ctx->observed_mode = trans_mode;
ctx->observed_device = video_device;
}
+#endif
ctx->avf_delegate = [[AVFFrameReceiver alloc] initWithContext:ctx];