src/apps/mplayerc/FGFilter.h

   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 #pragma once
  23
  24 #define MERIT64(merit) (((UINT64)(merit))<<16)
  25 #define MERIT64_DO_NOT_USE MERIT64(MERIT_DO_NOT_USE)
  26 #define MERIT64_DO_USE MERIT64(MERIT_DO_NOT_USE+1)
  27 #define MERIT64_UNLIKELY (MERIT64(MERIT_UNLIKELY))
  28 #define MERIT64_NORMAL (MERIT64(MERIT_NORMAL))
  29 #define MERIT64_PREFERRED (MERIT64(MERIT_PREFERRED))
  30 #define MERIT64_ABOVE_DSHOW (MERIT64(1)<<32)
  31
  32 class CFGFilter
  33 {
  34 protected:
  35         CLSID m_clsid;
  36         CStringW m_name;
  37         struct {union {UINT64 val; struct {UINT64 low:16, mid:32, high:16;};};} m_merit;
  38         CAtlList<GUID> m_types;
  39
  40 public:
  41         CFGFilter(const CLSID& clsid, CStringW name = L"", UINT64 merit = MERIT64_DO_USE);
  42         virtual ~CFGFilter() {}
  43
  44         CLSID GetCLSID() {return m_clsid;}
  45         CStringW GetName() {return m_name;}
  46         UINT64 GetMerit() {return m_merit.val;}
  47         DWORD GetMeritForDirectShow() {return m_merit.mid;}
  48         const CAtlList<GUID>& GetTypes() const;
  49         void SetTypes(const CAtlList<GUID>& types);
  50         void AddType(const GUID& majortype, const GUID& subtype);
  51         bool CheckTypes(const CAtlArray<GUID>& types, bool fExactMatch);
  52
  53         CAtlList<CString> m_protocols, m_extensions, m_chkbytes; // TODO: subtype?
  54
  55         virtual HRESULT Create(IBaseFilter** ppBF, CInterfaceList<IUnknown, &IID_IUnknown>& pUnks) = 0;
  56 };
  57
  58 class CFGFilterRegistry : public CFGFilter
  59 {
  60 protected:
  61         CStringW m_DisplayName;
  62         CComPtr<IMoniker> m_pMoniker;
  63
  64         void ExtractFilterData(BYTE* p, UINT len);
  65
  66 public:
  67         CFGFilterRegistry(IMoniker* pMoniker, UINT64 merit = MERIT64_DO_USE);
  68         CFGFilterRegistry(CStringW DisplayName, UINT64 merit = MERIT64_DO_USE);
  69         CFGFilterRegistry(const CLSID& clsid, UINT64 merit = MERIT64_DO_USE);
  70
  71         CStringW GetDisplayName() {return m_DisplayName;}
  72         IMoniker* GetMoniker() {return m_pMoniker;}
  73
  74         HRESULT Create(IBaseFilter** ppBF, CInterfaceList<IUnknown, &IID_IUnknown>& pUnks);
  75 };
  76
  77 template<class T>
  78 class CFGFilterInternal : public CFGFilter
  79 {
  80 public:
  81         CFGFilterInternal(CStringW name = L"", UINT64 merit = MERIT64_DO_USE) : CFGFilter(__uuidof(T), name, merit) {}
  82
  83         HRESULT Create(IBaseFilter** ppBF, CInterfaceList<IUnknown, &IID_IUnknown>& pUnks)
  84         {
  85                 CheckPointer(ppBF, E_POINTER);
  86
  87                 HRESULT hr = S_OK;
  88                 CComPtr<IBaseFilter> pBF = new T(NULL, &hr);
  89                 if(FAILED(hr)) return hr;
  90
  91                 *ppBF = pBF.Detach();
  92
  93                 return hr;
  94         }
  95 };
  96
  97 class CFGFilterFile : public CFGFilter
  98 {
  99 protected:
 100         CString m_path;
 101         HINSTANCE m_hInst;
 102
 103 public:
 104         CFGFilterFile(const CLSID& clsid, CString path, CStringW name = L"", UINT64 merit = MERIT64_DO_USE);
 105
 106         HRESULT Create(IBaseFilter** ppBF, CInterfaceList<IUnknown, &IID_IUnknown>& pUnks);
 107 };
 108
 109 class CFGFilterVideoRenderer : public CFGFilter
 110 {
 111 protected:
 112         HWND m_hWnd;
 113
 114 public:
 115         CFGFilterVideoRenderer(HWND hWnd, const CLSID& clsid, CStringW name = L"", UINT64 merit = MERIT64_DO_USE);
 116
 117         HRESULT Create(IBaseFilter** ppBF, CInterfaceList<IUnknown, &IID_IUnknown>& pUnks);
 118 };
 119
 120 class CFGFilterList
 121 {
 122         struct filter_t {int index; CFGFilter* pFGF; int group; bool exactmatch, autodelete;};
 123         static int filter_cmp(const void* a, const void* b);
 124         CAtlList<filter_t> m_filters;
 125         CAtlList<CFGFilter*> m_sortedfilters;
 126
 127 public:
 128         CFGFilterList();
 129         virtual ~CFGFilterList();
 130
 131         bool IsEmpty() {return m_filters.IsEmpty();}
 132         void RemoveAll();
 133         void Insert(CFGFilter* pFGF, int group, bool exactmatch = false, bool autodelete = true);
 134
 135         POSITION GetHeadPosition();
 136         CFGFilter* GetNext(POSITION& pos);
 137 };