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[FILE BEGIN]
1import sounddevice as sd
2import sys
3import time
4
5GREEN = "\033[92m"
6RESET = "\033[0m"
7
8FLAG = "USB AUDIO  CODEC"
9
10def list_devices():
11    print("Fetching audio devices...",end="")
12    sys.stdout.flush()
13    devices = sd.query_devices()
14    sys.stdout.write('\x1b[1A')
15    sys.stdout.write('\x1b[2K')
16    sys.stdout.write('\r')
17
18    print("Suggested PLX device will show in "+GREEN+"green"+RESET+" color.")
19    for i, dev in enumerate(devices):
20        if FLAG in dev['name']:
21            print(f"{GREEN}{i}: {dev['name']} ({dev['max_input_channels']} in, {dev['max_output_channels']} out){RESET}")
22        else:
23            print(f"{i}: {dev['name']} ({dev['max_input_channels']} in, {dev['max_output_channels']} out)")
24    return devices
25
26def get_device_index(name_substring, is_input=True):
27    """Find device index by name substring."""
28    devices = sd.query_devices()
29    name_substring = name_substring.lower()
30    for i, dev in enumerate(devices):
31        if name_substring in dev['name'].lower():
32            if is_input and dev['max_input_channels'] > 0:
33                return i
34            if not is_input and dev['max_output_channels'] > 0:
35                return i
36    return None
37
[FILE END]
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