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/*
* Copyright (C) 2010-2014 Hendrik Leppkes
* http://www.1f0.de
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Initial design and concept by Gabest and the MPC-HC Team, copyright under GPLv2
*/
#include "stdafx.h"
#include "DShowUtil.h"
std::wstring CStringFromGUID(const GUID& guid)
{
WCHAR null[128] = {0}, buff[128];
StringFromGUID2(GUID_NULL, null, 127);
return std::wstring(StringFromGUID2(guid, buff, 127) > 0 ? buff : null);
}
// filter registration helpers
bool DeleteRegKey(std::wstring szKey, std::wstring szSubkey)
{
bool bOK = false;
HKEY hKey;
LONG ec = ::RegOpenKeyEx(HKEY_CLASSES_ROOT, szKey.c_str(), 0, KEY_ALL_ACCESS, &hKey);
if(ec == ERROR_SUCCESS)
{
if(szSubkey.length() > 0)
ec = ::RegDeleteKey(hKey, szSubkey.c_str());
bOK = (ec == ERROR_SUCCESS);
::RegCloseKey(hKey);
}
return bOK;
}
bool SetRegKeyValue(std::wstring szKey, std::wstring szSubkey, std::wstring szValueName, std::wstring szValue)
{
bool bOK = false;
if(szSubkey.length() > 0)
szKey += _T("\\") + szSubkey;
HKEY hKey;
LONG ec = ::RegCreateKeyEx(HKEY_CLASSES_ROOT, szKey.c_str(), 0, 0, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, 0, &hKey, 0);
if(ec == ERROR_SUCCESS)
{
if(szValue.length() > 0)
{
ec = ::RegSetValueEx(hKey, szValueName.c_str(), 0, REG_SZ,
reinterpret_cast<BYTE*>(const_cast<LPTSTR>(szValue.c_str())),
(DWORD)(_tcslen(szValue.c_str()) + 1) * sizeof(TCHAR));
}
bOK = (ec == ERROR_SUCCESS);
::RegCloseKey(hKey);
}
return bOK;
}
bool SetRegKeyValue(std::wstring szKey, std::wstring szSubkey, std::wstring szValue)
{
return SetRegKeyValue(szKey, szSubkey, _T(""), szValue);
}
void RegisterSourceFilter(const CLSID& clsid, const GUID& subtype2, LPCWSTR chkbytes, ...)
{
std::wstring null = CStringFromGUID(GUID_NULL);
std::wstring majortype = CStringFromGUID(MEDIATYPE_Stream);
std::wstring subtype = CStringFromGUID(subtype2);
SetRegKeyValue(_T("Media Type\\") + majortype, subtype, _T("0"), chkbytes);
SetRegKeyValue(_T("Media Type\\") + majortype, subtype, _T("Source Filter"), CStringFromGUID(clsid));
DeleteRegKey(_T("Media Type\\") + null, subtype);
va_list extensions;
va_start(extensions, chkbytes);
LPCWSTR ext = nullptr;
while (ext = va_arg(extensions, LPCWSTR)) {
DeleteRegKey(_T("Media Type\\Extensions"), ext);
}
va_end(extensions);
}
void RegisterProtocolSourceFilter(const CLSID& clsid, LPCWSTR protocol)
{
SetRegKeyValue(protocol, _T(""), _T("Source Filter"), CStringFromGUID(clsid));
}
void UnRegisterProtocolSourceFilter(LPCWSTR protocol)
{
DeleteRegKey(protocol, _T(""));
}
void RegisterSourceFilter(const CLSID& clsid, const GUID& subtype2, std::list<LPCWSTR> chkbytes, ...)
{
std::wstring null = CStringFromGUID(GUID_NULL);
std::wstring majortype = CStringFromGUID(MEDIATYPE_Stream);
std::wstring subtype = CStringFromGUID(subtype2);
int i = 0;
std::list<LPCWSTR>::iterator it;
for(it = chkbytes.begin(); it != chkbytes.end(); ++it)
{
WCHAR idx[10] = {0};
swprintf_s(idx, _T("%d"), i);
SetRegKeyValue(_T("Media Type\\") + majortype, subtype, idx, *it);
i++;
}
SetRegKeyValue(_T("Media Type\\") + majortype, subtype, _T("Source Filter"), CStringFromGUID(clsid));
DeleteRegKey(_T("Media Type\\") + null, subtype);
va_list extensions;
va_start(extensions, chkbytes);
LPCWSTR ext = nullptr;
while (ext = va_arg(extensions, LPCWSTR)) {
DeleteRegKey(_T("Media Type\\Extensions"), ext);
}
va_end(extensions);
}
void UnRegisterSourceFilter(const GUID& subtype)
{
DeleteRegKey(_T("Media Type\\") + CStringFromGUID(MEDIATYPE_Stream), CStringFromGUID(subtype));
}
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