有两种选择，使用MSMF后端，您可以在CV-camera finder中完成，只需在Windows上下载.pyd文件（我认为仅适用于python 3.7），或者使用DSHOW，这在该repo的README中显示。

您可以直接使用此选项。

pip install pygrabber

from pygrabber.dshow_graph import FilterGraph

def get_available_cameras() :

    devices = FilterGraph().get_input_devices()

    available_cameras = {}

    for device_index, device_name in enumerate(devices):
        available_cameras[device_index] = device_name

    return available_cameras

print(get_available_cameras())

在我设备上输出，

{0: 'HD Webcam', 1: 'FHD Camera', 2: 'Intel Virtual Camera', 3: 'OBS Virtual Camera'}

此外，这款话筒也适用于话筒，

pip install pyaudio

import pyaudio

def get_available_michrophones() :

    available_microphones = {}
    pyduo = pyaudio.PyAudio()
    devices_info = pyduo.get_host_api_info_by_index(0)
    number_of_devices = devices_info.get('deviceCount')
    for device_index in range(0, number_of_devices):
        if (pyduo.get_device_info_by_host_api_device_index(0, device_index).get('maxInputChannels')) > 0:
            available_microphones[device_index] = pyduo.get_device_info_by_host_api_device_index(0, device_index).get('name')

    return available_microphones

print(get_available_michrophones())

在我设备上输出，

{0: 'Microsoft Sound Mapper - Input', 1: 'Microphone (Pusat USB Broadcast', 2: 'Microphone (FHD Camera Micropho', 3: 'Microphone (Realtek(R) Audio)'}