pyobjc_mediaextension_video_decoder_subclass_quickstart.py

1import MediaExtension
2import objc
3
4# The MediaExtension framework is used to create system-level media 
5# extensions like custom video decoders. This example shows the 
6# basic structure of a Video Decoder Extension provider.
7
8class MyVideoDecoder(MediaExtension.MEVideoDecoderExtension):
9    """
10    A basic implementation of a MediaExtension Video Decoder.
11    In a real-world scenario, you would override methods to handle
12    the decompression of video frames.
13    """
14    
15    @objc.typed_selector(b"v@:@")
16    def someDecoderMethod_(self, argument):
17        # Implementation of decoding logic would go here
18        pass
19
20def main():
21    # Verify the classes are loaded correctly from the framework
22    print(f"MediaExtension Framework Version: {MediaExtension.__version__}")
23    print(f"Decoder Class: {MediaExtension.MEVideoDecoderExtension}")
24    
25    # Check if the current system supports the required protocols
26    if hasattr(MediaExtension, "MEVideoDecoderExtension"):
27        print("MediaExtension Video Decoder support is available.")
28    else:
29        print("MediaExtension is not supported on this macOS version.")
30
31if __name__ == "__main__":
32    main()