diff options
Diffstat (limited to 'opentrack/camera-names.hpp')
-rw-r--r-- | opentrack/camera-names.hpp | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/opentrack/camera-names.hpp b/opentrack/camera-names.hpp new file mode 100644 index 00000000..975fe28b --- /dev/null +++ b/opentrack/camera-names.hpp @@ -0,0 +1,76 @@ +#pragma once + +#include <QList> +#include <QString> + +#if defined(OPENTRACK_API) && defined(_WIN32) +# define NO_DSHOW_STRSAFE +# include <windows.h> +# include <dshow.h> +#endif + +#if defined(OPENTRACK_API) && (defined(__unix) || defined(__linux) || defined(__APPLE__)) +# include <unistd.h> +#endif + +QList<QString> get_camera_names() { + QList<QString> ret; +#if defined(_WIN32) + // Create the System Device Enumerator. + HRESULT hr; + ICreateDevEnum *pSysDevEnum = NULL; + hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, (void **)&pSysDevEnum); + if (FAILED(hr)) + { + return ret; + } + // Obtain a class enumerator for the video compressor category. + IEnumMoniker *pEnumCat = NULL; + hr = pSysDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &pEnumCat, 0); + + if (hr == S_OK) { + // Enumerate the monikers. + IMoniker *pMoniker = NULL; + ULONG cFetched; + while (pEnumCat->Next(1, &pMoniker, &cFetched) == S_OK) { + IPropertyBag *pPropBag; + hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag, (void **)&pPropBag); + if (SUCCEEDED(hr)) { + // To retrieve the filter's friendly name, do the following: + VARIANT varName; + VariantInit(&varName); + hr = pPropBag->Read(L"FriendlyName", &varName, 0); + if (SUCCEEDED(hr)) + { + // Display the name in your UI somehow. + QString str((QChar*)varName.bstrVal, wcslen(varName.bstrVal)); + ret.append(str); + } + VariantClear(&varName); + + ////// To create an instance of the filter, do the following: + ////IBaseFilter *pFilter; + ////hr = pMoniker->BindToObject(NULL, NULL, IID_IBaseFilter, + //// (void**)&pFilter); + // Now add the filter to the graph. + //Remember to release pFilter later. + pPropBag->Release(); + } + pMoniker->Release(); + } + pEnumCat->Release(); + } + pSysDevEnum->Release(); +#else + for (int i = 0; i < 16; i++) { + char buf[128]; + sprintf(buf, "/dev/video%d", i); + if (access(buf, R_OK | W_OK) == 0) { + ret.append(buf); + } else { + continue; + } + } +#endif + return ret; +} |