enumerate_input_devices doesn't work

[kazuki]

I installed PyAV from a PyPI binary wheel on both Windows and Linux (Ubuntu).

In windows 11

> python
Python 3.13.13 (tags/v3.13.13:01104ce, Apr  7 2026, 19:25:48) [MSC v.1944 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import av
>>> av.__version__
'17.0.1'
>>> av.enumerate_input_devices('dshow')
Traceback (most recent call last):
  File "<python-input-2>", line 1, in <module>
    av.enumerate_input_devices('dshow')
    ~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^
  File "av/device.py", line 153, in av.device.enumerate_input_devices
    return _build_device_list(device_list)
    ^^^
  File "av/device.py", line 58, in av.device._build_device_list
    media_types.append(s.decode())

AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?

In Ubuntu 24.04

$ python
Python 3.12.3 (main, Mar 23 2026, 19:04:32) [GCC 13.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import av
>>> av.__version__
'17.0.1'
>>> av.enumerate_input_devices('v4l2')
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "av/device.py", line 153, in av.device.enumerate_input_devices
  File "av/device.py", line 62, in av.device._build_device_list
AttributeError: 'str' object has no attribute 'decode'. Did you mean: 'encode'?

s is is already str type. .decode is not necessary.
https://github.com/PyAV-Org/PyAV/blob/v17.0.1/av/device.py#L58

53 |        media_types: list = []
54 |         for j in range(device_info.nb_media_types):
55 |             mt = device_info.media_types[j]
56 |             s = lib.av_get_media_type_string(mt)
57 |             if s:
58 |                 media_types.append(s.decode())    <= AttributeError