src/subpic/SubPicProviderImpl.cpp

   1 /*
   2  *  $Id: SubPicProviderImpl.cpp 2585 2010-09-18 12:39:20Z xhmikosr $
   3  *
   4  *  (C) 2003-2006 Gabest
   5  *  (C) 2006-2010 see AUTHORS
   6  *
   7  *  This Program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2, or (at your option)
  10  *  any later version.
  11  *
  12  *  This Program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with GNU Make; see the file COPYING.  If not, write to
  19  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  20  *  http://www.gnu.org/copyleft/gpl.html
  21  *
  22  */
  23
  24 #include "stdafx.h"
  25 #include "SubPicProviderImpl.h"
  26 #include "../DSUtil/DSUtil.h"
  27
  28 //
  29 // CSubPicProviderImpl
  30 //
  31
  32 CSubPicProviderImpl::CSubPicProviderImpl(CCritSec* pLock)
  33     : CUnknown(NAME("CSubPicProviderImpl"), NULL)
  34     , m_pLock(pLock)
  35 {
  36 }
  37
  38 CSubPicProviderImpl::~CSubPicProviderImpl()
  39 {
  40 }
  41
  42 STDMETHODIMP CSubPicProviderImpl::NonDelegatingQueryInterface(REFIID riid, void** ppv)
  43 {
  44     return
  45         QI(ISubPicProvider)
  46         QI(ISubPicProviderEx)
  47         __super::NonDelegatingQueryInterface(riid, ppv);
  48 }
  49
  50 // ISubPicProvider
  51
  52 STDMETHODIMP CSubPicProviderImpl::Lock()
  53 {
  54     return m_pLock ? m_pLock->Lock(), S_OK : E_FAIL;
  55 }
  56
  57 STDMETHODIMP CSubPicProviderImpl::Unlock()
  58 {
  59     return m_pLock ? m_pLock->Unlock(), S_OK : E_FAIL;
  60 }
  61
  62 // ISubPicProviderEx
  63
  64 STDMETHODIMP_(VOID) CSubPicProviderImpl::GetStartStop( POSITION pos, double fps, /*out*/REFERENCE_TIME& start, /*out*/REFERENCE_TIME& stop )
  65 {
  66     start = GetStart(pos, fps);
  67     stop = GetStop(pos, fps);
  68 }
  69
  70 STDMETHODIMP CSubPicProviderImpl::RenderEx( SubPicDesc& spd, REFERENCE_TIME rt, double fps, CAtlList<CRect>& rectList )
  71 {
  72     CRect cRect = new CRect(0,0,0,0);
  73     HRESULT hr = Render(spd, rt, fps, cRect);
  74     if(SUCCEEDED(hr))
  75         rectList.AddTail(cRect);
  76     return hr;
  77 }
  78
  79 STDMETHODIMP_(bool) CSubPicProviderImpl::IsColorTypeSupported( int type )
  80 {
  81     return type==MSP_RGBA;
  82 }
  83