src/apps/mplayerc/MacrovisionKicker.cpp

   1 /*
   2  *      Copyright (C) 2003-2006 Gabest
   3  *      http://www.gabest.org
   4  *
   5  *  This Program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2, or (at your option)
   8  *  any later version.
   9  *
  10  *  This Program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with GNU Make; see the file COPYING.  If not, write to
  17  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  18  *  http://www.gnu.org/copyleft/gpl.html
  19  *
  20  */
  21
  22 #include "stdafx.h"
  23 #include "MacrovisionKicker.h"
  24
  25 //
  26 // CMacrovisionKicker
  27 //
  28
  29 CMacrovisionKicker::CMacrovisionKicker(const TCHAR* pName, LPUNKNOWN pUnk)
  30         : CUnknown(pName, pUnk)
  31 {
  32 }
  33
  34 CMacrovisionKicker::~CMacrovisionKicker()
  35 {
  36 }
  37
  38 void CMacrovisionKicker::SetInner(CComPtr<IUnknown> pUnk)
  39 {
  40         m_pInner = pUnk;
  41 }
  42
  43 STDMETHODIMP CMacrovisionKicker::NonDelegatingQueryInterface(REFIID riid, void** ppv)
  44 {
  45         if(riid == __uuidof(IUnknown))
  46                 return __super::NonDelegatingQueryInterface(riid, ppv);
  47         if(riid == __uuidof(IKsPropertySet) && CComQIPtr<IKsPropertySet>(m_pInner))
  48                 return GetInterface((IKsPropertySet*)this, ppv);
  49
  50         HRESULT hr = m_pInner ? m_pInner->QueryInterface(riid, ppv) : E_NOINTERFACE;
  51
  52         return SUCCEEDED(hr) ? hr : __super::NonDelegatingQueryInterface(riid, ppv);
  53 }
  54
  55 // IKsPropertySet
  56
  57 STDMETHODIMP CMacrovisionKicker::Set(REFGUID PropSet, ULONG Id, LPVOID pInstanceData, ULONG InstanceLength, LPVOID pPropertyData, ULONG DataLength)
  58 {
  59         if(CComQIPtr<IKsPropertySet> pKsPS = m_pInner)
  60         {
  61                 if(PropSet == AM_KSPROPSETID_CopyProt && Id == AM_PROPERTY_COPY_MACROVISION
  62                 /*&& DataLength == 4 && *(DWORD*)pPropertyData*/)
  63                 {
  64                         TRACE(_T("Oops, no-no-no, no macrovision please\n"));
  65                         return S_OK;
  66                 }
  67
  68                 return pKsPS->Set(PropSet, Id, pInstanceData, InstanceLength, pPropertyData, DataLength);
  69         }
  70
  71         return E_UNEXPECTED;
  72 }
  73
  74 STDMETHODIMP CMacrovisionKicker::Get(REFGUID PropSet, ULONG Id, LPVOID pInstanceData, ULONG InstanceLength, LPVOID pPropertyData, ULONG DataLength, ULONG* pBytesReturned)
  75 {
  76         if(CComQIPtr<IKsPropertySet> pKsPS = m_pInner)
  77         {
  78                 return pKsPS->Get(PropSet, Id, pInstanceData, InstanceLength, pPropertyData, DataLength, pBytesReturned);
  79         }
  80
  81         return E_UNEXPECTED;
  82 }
  83
  84 STDMETHODIMP CMacrovisionKicker::QuerySupported(REFGUID PropSet, ULONG Id, ULONG* pTypeSupport)
  85 {
  86         if(CComQIPtr<IKsPropertySet> pKsPS = m_pInner)
  87         {
  88                 return pKsPS->QuerySupported(PropSet, Id, pTypeSupport);
  89         }
  90
  91         return E_UNEXPECTED;
  92 }