pyobjc_avfoundation_list_camera_audio_capture_devices.py

1import AVFoundation
2
3def list_capture_devices():
4    # Create a discovery session to find video and audio devices
5    # Note: On modern macOS (10.15+), you may need to grant camera/microphone 
6    # permissions to your terminal or IDE.
7    discovery_session = AVFoundation.AVCaptureDeviceDiscoverySession.discoverySessionWithDeviceTypes_mediaType_position_(
8        [
9            AVFoundation.AVCaptureDeviceTypeBuiltInWideAngleCamera,
10            AVFoundation.AVCaptureDeviceTypeBuiltInMicrophone
11        ],
12        None, # Searches for all media types specified above
13        AVFoundation.AVCaptureDevicePositionUnspecified
14    )
15    
16    devices = discovery_session.devices()
17    
18    if not devices:
19        print("No capture devices found.")
20        return
21
22    print(f"Found {len(devices)} device(s):")
23    for device in devices:
24        print(f" - Name: {device.localizedName()}")
25        print(f"   Model ID: {device.modelID()}")
26        print(f"   Unique ID: {device.uniqueID()}")
27
28if __name__ == "__main__":
29    list_capture_devices()