AlcideSystem/Webcam
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add logging for camera blacklist and COM initialization status

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This commit is contained in:
Nicolas RACOT
2026-07-15 12:00:25 +02:00
parent 07e526544d
commit 7b7d32d22c
1 changed files with 22 additions and 5 deletions
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23
source/webcam.cpp
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@ -160,6 +160,10 @@ std::vector<int> DisplayDeviceInformation(IEnumMoniker *pEnum)
camera_ids.push_back(counter_device);
return_id_device = counter_device;
}
else
{
__LOG_CAM__<<"CAM ID "<<counter_device<<" EXCLUDED BY BLACKLIST ("<<name.c_str()<<")\n";
}
__LOG_CAM__<<"RETURN DEVICE ID "<<return_id_device<<"\n";
@ -210,19 +214,32 @@ bool Webcam::Open(int width_, int height_) {
std::vector<int> id_devices;
HRESULT hr = CoInitializeEx(NULL, COINIT_MULTITHREADED);
if (SUCCEEDED(hr))
char hr_buf[32];
sprintf_s(hr_buf, "0x%08lX", (unsigned long)hr);
__LOG_CAM__ << "CoInitializeEx hr=" << hr_buf << "\n";
// RPC_E_CHANGED_MODE : COM deja initialise (STA) sur ce thread, utilisable tel quel
bool com_usable = SUCCEEDED(hr) || hr == RPC_E_CHANGED_MODE;
bool com_owned = SUCCEEDED(hr);
if (com_usable)
{
IEnumMoniker *pEnum;
hr = EnumerateDevices(CLSID_VideoInputDeviceCategory, &pEnum);
if (SUCCEEDED(hr))
HRESULT hr_enum = EnumerateDevices(CLSID_VideoInputDeviceCategory, &pEnum);
sprintf_s(hr_buf, "0x%08lX", (unsigned long)hr_enum);
__LOG_CAM__ << "EnumerateDevices hr=" << hr_buf << "\n";
if (SUCCEEDED(hr_enum))
{
id_devices = DisplayDeviceInformation(pEnum);
pEnum->Release();
}
if (com_owned)
CoUninitialize();
}
else
{
__LOG_CAM__ << "CoInitializeEx FAILED, enumeration skipped\n";
}
if (id_devices.size() == 0) {
__LOG_CAM__ << "No camera found (devices empty)\n";