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fix dshow.helper

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This commit is contained in:
iperov 2022-05-16 13:38:21 +04:00
parent 4af67fc2c5
commit fd0ee234b7
1 changed files with 5 additions and 4 deletions
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9
xlib/api/win32/dshow/helper.py
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@ -19,8 +19,8 @@ def get_video_input_devices_names() -> List[str]:
if sys_dev_enum.CreateClassEnumerator(uuids.CLSID_VideoInputDeviceCategory, pEnumCat, 0) == wintypes.ERROR.SUCCESS:
moniker = objidl.IMoniker()
while pEnumCat.Next(1, moniker, None) == wintypes.ERROR.SUCCESS:
name = 'unnamed'
prop_bag = oaidl.IPropertyBag()
if moniker.BindToStorage(None, None, oaidl.IPropertyBag.IID, prop_bag) == wintypes.ERROR.SUCCESS:
@ -29,10 +29,11 @@ def get_video_input_devices_names() -> List[str]:
hr = prop_bag.Read(wintypes.LPCOLESTR('Description'), var, None )
if hr != wintypes.ERROR.SUCCESS:
hr = prop_bag.Read(wintypes.LPCOLESTR('FriendlyName'), var, None )
names.append(var.value.bstrVal.value if hr == wintypes.ERROR.SUCCESS else 'unnamed')
if hr == wintypes.ERROR.SUCCESS:
name = var.value.bstrVal.value
prop_bag.Release()
names.append(name)
moniker.Release()
pEnumCat.Release()
sys_dev_enum.Release()