51 lines
1.9 KiB
Python
51 lines
1.9 KiB
Python
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import re
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import RunCMD
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from RunCMD import run_cmd
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class DevicesInfo():
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def __init__(self):
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list_devices_cmd = 'ffmpeg -list_devices true -f dshow -i dummy'
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# status, output = subprocess.getstatusoutput(list_devices_cmd)
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output_err, output_str = run_cmd(list_devices_cmd)
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self.video_devices , self.voice_devices = self.extract_devices_info(''.join(output_err))
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def get_device_info(self, text_list):
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device_list = []
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if text_list and len(text_list) % 2 == 0:
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i=0
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while i < len(text_list):
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step = 2
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device = []
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device_name = text_list[i].strip()
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device.append(device_name.replace('"',''))
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alternative_name_text = text_list[i+1]
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alter_re = re.search(r'"(.+)"',alternative_name_text)
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if alter_re:
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device_alternative_name = alter_re.group(1)
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device.append(device_alternative_name)
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device_list.append(device)
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i+=step
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return device_list
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def extract_devices_info(self,devices_txt):
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device_line = []
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# print(dir(re))
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results = re.findall(r'\[[^\]]+\]([^\[]+)',devices_txt)
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# results.pop(0)
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video_devices_spos=-1
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voice_devices_spos=-1
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for i in range(len(results)):
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txt = results[i]
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# print(txt.strip())
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if txt.find('DirectShow video devices') >= 0:
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video_devices_spos = i
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if txt.find('DirectShow audio devices') >=0:
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voice_devices_spos = i
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video_devices = self.get_device_info(results[video_devices_spos+1:voice_devices_spos])
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voice_devices = self.get_device_info(results[voice_devices_spos+1:])
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return video_devices , voice_devices
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