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/* Copyright (c) 2016 Stanislaw Halik
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*/
#include "video-property-page.hpp"
#ifdef _WIN32
#include <cstring>
#include <QString>
#include <QDebug>
#define CHECK(expr) if (FAILED(hr = (expr))) { qDebug() << QStringLiteral(#expr) << hr; goto done; }
#define CHECK2(expr) if (!(expr)) { qDebug() << QStringLiteral(#expr); goto done; }
bool video_property_page::show_from_capture(cv::VideoCapture& cap, int)
{
cap.set(cv::CAP_PROP_SETTINGS, 0);
return true;
}
bool video_property_page::show(int id)
{
IBaseFilter* filter = NULL;
bool ret = false;
CHECK2(filter = get_device(id));
ret = SUCCEEDED(ShowFilterPropertyPages(filter));
done:
if (filter)
filter->Release();
return ret;
}
HRESULT video_property_page::ShowFilterPropertyPages(IBaseFilter* filter)
{
ISpecifyPropertyPages* pProp = NULL;
IUnknown* unk = NULL;
CAUUID caGUID = { 0, NULL };
FILTER_INFO FilterInfo = { {0}, NULL };
HRESULT hr;
CHECK(filter->QueryInterface(IID_ISpecifyPropertyPages, (void**)&pProp));
CHECK(pProp->GetPages(&caGUID));
CHECK(filter->QueryFilterInfo(&FilterInfo));
filter->QueryInterface(IID_IUnknown, (void**)&unk);
// OleInitialize, CoCreateInstance et al. don't help with ps3 eye.
// cl-eye uses this
// perhaps more than IBaseFilter* -> IUnknown* needs be passed to lplpUnk
// and the OleCreatePropertyFrame equiv
#if 0
OCPFIPARAMS params;
params.cbStructSize = sizeof(params);
params.hWndOwner = GetActiveWindow();
params.x = 0;
params.y = 0;
params.lpszCaption = L"camera props";
params.cObjects = 1;
params.lplpUnk = &unk;
params.cPages = 1;
//OleCreatePropertyFrameIndirect()
#endif
OleCreatePropertyFrame(
NULL, // Parent window
0, 0, // Reserved
FilterInfo.achName, // Caption for the dialog box
1, // Number of objects (just the filter)
&unk, // Array of object pointers.
caGUID.cElems, // Number of property pages
caGUID.pElems, // Array of property page CLSIDs
0, // Locale identifier
0, NULL // Reserved
);
done:
if (FilterInfo.pGraph)
FilterInfo.pGraph->Release();
if (caGUID.pElems)
CoTaskMemFree(caGUID.pElems);
if (pProp)
pProp->Release();
if (unk)
unk->Release();
return hr;
}
IBaseFilter* video_property_page::get_device(int id)
{
ICreateDevEnum* pSysDevEnum = NULL;
IEnumMoniker* pEnumCat = NULL;
IMoniker* pMoniker = NULL;
IBaseFilter* filter = NULL;
HRESULT hr;
CHECK(CoCreateInstance(CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, (void**)&pSysDevEnum));
CHECK(pSysDevEnum->CreateClassEnumerator(CLSID_VideoInputDeviceCategory, &pEnumCat, 0));
for (int i = 0; !filter && SUCCEEDED(pEnumCat->Next(1, &pMoniker, NULL)); pMoniker->Release(), i++)
{
if (i == id)
{
CHECK(pMoniker->BindToObject(NULL, NULL, IID_IBaseFilter, (void**)&filter));
break;
}
}
done:
if (pMoniker)
pMoniker->Release();
if (pEnumCat)
pEnumCat->Release();
if (pSysDevEnum)
pSysDevEnum->Release();
return filter;
}
#elif defined(__linux)
# include <QProcess>
# include "compat/camera-names.hpp"
bool video_property_page::show(int idx)
{
const QList<QString> camera_names(get_camera_names());
if (idx >= 0 && idx < camera_names.size())
return QProcess::startDetached("qv4l2", QStringList() << "-d" << camera_names[idx]);
else
return false;
}
bool video_property_page::show_from_capture(cv::VideoCapture&, int idx)
{
return show(idx);
}
#else
bool video_property_page::show(int) { return false; }
bool video_property_page::show_from_capture(cv::VideoCapture&, int) { return false; }
#endif
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