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list_devices_exarct.py
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list_devices_exarct.py
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import re
devices_txt = r'''
ffmpeg version N-90553-gbe502ec6cd Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 7.3.0 (GCC)
configuration: --disable-static --enable-shared --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
libavutil 56. 12.100 / 56. 12.100
libavcodec 58. 16.100 / 58. 16.100
libavformat 58. 10.100 / 58. 10.100
libavdevice 58. 2.100 / 58. 2.100
libavfilter 7. 13.100 / 7. 13.100
libswscale 5. 0.102 / 5. 0.102
libswresample 3. 0.101 / 3. 0.101
libpostproc 55. 0.100 / 55. 0.100
[dshow @ 00000166634ef000] DirectShow video devices (some may be both video and audio devices)
[dshow @ 00000166634ef000] "USB2.0 HD UVC WebCam"
[dshow @ 00000166634ef000] Alternative name "@device_pnp_\\?\usb#vid_04f2&pid_b354&mi_00#7&30d7ad30&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global"
[dshow @ 00000166634ef000] "screen-capture-recorder"
[dshow @ 00000166634ef000] Alternative name "@device_sw_{860BB310-5D01-11D0-BD3B-00A0C911CE86}\{4EA69364-2C8A-4AE6-A561-56E4B5044439}"
[dshow @ 00000166634ef000] DirectShow audio devices
[dshow @ 00000166634ef000] "楹﹀厠椋?(Realtek High Definition Audio)"[dshow @ 00000166634ef000] Alternative name "@device_cm_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\wave_{571529B3-7DB3-42A3-ADEF-BBD82925C15D}"
[dshow @ 00000166634ef000] "virtual-audio-capturer"
[dshow @ 00000166634ef000] Alternative name "@device_sw_{33D9A762-90C8-11D0-BD43-00A0C911CE86}\{8E146464-DB61-4309-AFA1-3578E927E935}"
dummy: Immediate exit requested
'''
def get_device_info(text_list):
device_list = []
if text_list and len(text_list) % 2 == 0:
i=0
while i < len(text_list):
step = 2
device = {}
device_name = text_list[i].strip()
device['Name'] = device_name.replace('"','')
alternative_name_text = text_list[i+1]
alter_re = re.search(r'"(.+)"',alternative_name_text)
if alter_re:
device_alternative_name = alter_re.group(1)
device['Alternative'] = device_alternative_name
device_list.append(device)
i+=step
return device_list
device_line = []
# print(dir(re))
results = re.findall(r'\[[^\]]+\]([^\[]+)',devices_txt)
# results.pop(0)
video_devices_spos=-1
voice_devices_spos=-1
for i in range(len(results)):
txt = results[i]
print(txt.strip())
if txt.find('DirectShow video devices') >= 0:
video_devices_spos = i
if txt.find('DirectShow audio devices') >=0:
voice_devices_spos = i
video_devices = get_device_info(results[video_devices_spos+1:voice_devices_spos])
voice_devices = get_device_info(results[voice_devices_spos+1:])
print('视频设备列表:')
print(video_devices)
print('音频设备列表:')
print(voice_devices)