Am Fr., 3. Mai 2019 um 16:35 Uhr schrieb Jason H <jh...@gmx.com>: > You have to add the description of microphone use to be presented to the > user. > > I've done somethign similar to this, for video I think, and I did get the > popup and it worked as it should have. >
Almost. Meanwhile I can answer my own question. The description you are referring to was already added in the form of <key>NSMicrophoneUsageDescription</key>. However that did not cause any popup. The reason is that when creating QAudioInput, its using the CoreAudio plugin. In that case, the security chip in MacOS prevents the access without saying anything. For the popup to be raised, AVFoundation is required. That is used in video by default, thats why it worked for you. The workaround for audio is to ask via [AVCaptureDevice authorizationStatusForMediaType:mediaType] for the current authorization and if not yet determined, request the access via [AVCaptureDevice requestAccessForMediaType:mediaType] before the audio input device is opened. That will raise the popup and kill the app if NSMicrophoneUsageDescription is missing. Maybe its worth adding that QtMultimedia plugins. Cheers Roland
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