src/subpic/SubPicQueueImpl.h

   1 /*
   2  *  $Id: SubPicQueueImpl.h 2786 2010-12-17 16:42:55Z 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 #pragma once
  25
  26 #include "ISubPic.h"
  27 #include "ISimpleSubPic.h"
  28
  29
  30 class CSubPicQueueImpl : public CUnknown, public ISubPicQueue, public ISimpleSubPicProvider
  31 {
  32     CAtlList<int> m_prefered_colortype;
  33
  34         CCritSec m_csSubPicProvider;
  35         CComPtr<ISubPicProviderEx> m_pSubPicProviderEx;
  36
  37 protected:
  38         double m_fps;
  39         REFERENCE_TIME m_rtNow;
  40         REFERENCE_TIME m_rtNowLast;
  41
  42         CComPtr<ISubPicExAllocator> m_pAllocator;
  43
  44         HRESULT RenderTo(ISubPicEx* pSubPic, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop, double fps, BOOL bIsAnimated);
  45
  46     HRESULT SetSubPicProviderEx(ISubPicProviderEx* pSubPicProviderEx);
  47     HRESULT GetSubPicProviderEx(ISubPicProviderEx** pSubPicProviderEx);
  48 public:
  49         CSubPicQueueImpl(ISubPicExAllocator* pAllocator, HRESULT* phr, const int *prefered_colortype=NULL, int prefered_colortype_num=0);
  50         virtual ~CSubPicQueueImpl();
  51
  52         DECLARE_IUNKNOWN;
  53         STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void** ppv);
  54
  55         // ISubPicQueue
  56
  57         STDMETHODIMP SetSubPicProvider(ISubPicProvider* pSubPicProvider);
  58         STDMETHODIMP GetSubPicProvider(ISubPicProvider** pSubPicProvider);
  59
  60         STDMETHODIMP SetFPS(double fps);
  61         STDMETHODIMP SetTime(REFERENCE_TIME rtNow);
  62
  63     // ISimpleSubPicProvider
  64
  65     STDMETHODIMP SetSubPicProvider(IUnknown* subpic_provider);
  66     STDMETHODIMP GetSubPicProvider(IUnknown** subpic_provider);
  67
  68         STDMETHODIMP Invalidate(REFERENCE_TIME rtInvalidate = -1) = 0;
  69 /*
  70         STDMETHODIMP_(bool) LookupSubPic(REFERENCE_TIME rtNow, ISubPic** ppSubPic) = 0;
  71
  72         STDMETHODIMP GetStats(int& nSubPics, REFERENCE_TIME& rtNow, REFERENCE_TIME& rtStart, REFERENCE_TIME& rtStop) = 0;
  73         STDMETHODIMP GetStats(int nSubPics, REFERENCE_TIME& rtStart, REFERENCE_TIME& rtStop) = 0;
  74 */
  75 };
  76
  77 class CSubPicQueue : public CSubPicQueueImpl, private CAMThread
  78 {
  79         int m_nMaxSubPic;
  80         BOOL m_bDisableAnim;
  81
  82         CInterfaceList<ISubPic> m_Queue;
  83
  84         CCritSec m_csQueueLock; // for protecting CInterfaceList<ISubPic>
  85
  86
  87         POSITION m_subPos;//use to pass to the SubPic provider to produce the next SubPic
  88
  89         REFERENCE_TIME UpdateQueue();
  90         void AppendQueue(ISubPic* pSubPic);
  91         int GetQueueCount();
  92
  93         REFERENCE_TIME m_rtQueueMin;
  94         REFERENCE_TIME m_rtQueueMax;
  95         REFERENCE_TIME m_rtQueueStart, m_rtInvalidate;
  96
  97         // CAMThread
  98
  99         bool m_fBreakBuffering;
 100         enum {EVENT_EXIT, EVENT_TIME, EVENT_COUNT}; // IMPORTANT: _EXIT must come before _TIME if we want to exit fast from the destructor
 101         HANDLE m_ThreadEvents[EVENT_COUNT];
 102         enum {QueueEvents_NOTEMPTY, QueueEvents_NOTFULL, QueueEvents_COUNT};
 103         HANDLE m_QueueEvents[QueueEvents_COUNT];
 104     DWORD ThreadProc();
 105
 106 public:
 107         CSubPicQueue(int nMaxSubPic, BOOL bDisableAnim, ISubPicExAllocator* pAllocator, HRESULT* phr);
 108         virtual ~CSubPicQueue();
 109
 110         // ISubPicQueue
 111
 112         STDMETHODIMP SetFPS(double fps);
 113         STDMETHODIMP SetTime(REFERENCE_TIME rtNow);
 114
 115         STDMETHODIMP Invalidate(REFERENCE_TIME rtInvalidate = -1);
 116         STDMETHODIMP_(bool) LookupSubPic(REFERENCE_TIME rtNow, ISubPic** ppSubPic);
 117
 118         STDMETHODIMP GetStats(int& nSubPics, REFERENCE_TIME& rtNow, REFERENCE_TIME& rtStart, REFERENCE_TIME& rtStop);
 119         STDMETHODIMP GetStats(int nSubPic, REFERENCE_TIME& rtStart, REFERENCE_TIME& rtStop);
 120
 121     // ISimpleSubPicProvider
 122     STDMETHODIMP_(bool) LookupSubPic(REFERENCE_TIME now /*[in]*/, ISimpleSubPic** output_subpic/*[out]*/);
 123 };
 124
 125 class CSubPicQueueNoThread : public CSubPicQueueImpl
 126 {
 127         CCritSec m_csLock;
 128         CComPtr<ISubPicEx> m_pSubPic;
 129
 130     CAtlList<int> m_prefered_colortype;
 131
 132     bool LookupSubPicEx(REFERENCE_TIME rtNow, ISubPicEx** ppSubPic);
 133 public:
 134         CSubPicQueueNoThread(ISubPicExAllocator* pAllocator, HRESULT* phr, const int *prefered_colortype=NULL, int prefered_colortype_num=0);
 135         virtual ~CSubPicQueueNoThread();
 136
 137         // ISubPicQueue
 138         STDMETHODIMP Invalidate(REFERENCE_TIME rtInvalidate = -1);
 139         STDMETHODIMP_(bool) LookupSubPic(REFERENCE_TIME rtNow, ISubPic** ppSubPic);
 140
 141         STDMETHODIMP GetStats(int& nSubPics, REFERENCE_TIME& rtNow, REFERENCE_TIME& rtStart, REFERENCE_TIME& rtStop);
 142         STDMETHODIMP GetStats(int nSubPic, REFERENCE_TIME& rtStart, REFERENCE_TIME& rtStop);
 143
 144     // ISimpleSubPicProvider
 145     STDMETHODIMP_(bool) LookupSubPic(REFERENCE_TIME now /*[in]*/, ISimpleSubPic** output_subpic/*[out]*/);
 146 };
 147