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revision 1.1, Sat Feb 22 08:22:03 2003 UTC revision 1.1.2.4, Fri Dec 12 15:09:01 2003 UTC
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1    /*****************************************************************************
2     *
3     *  XVID MPEG-4 VIDEO CODEC
4     *  - XviD Decoder part of the DShow Filter  -
5     *
6     *  Copyright(C) 2002-2003 Peter Ross <pross@xvid.org>
7     *
8     *  This program is free software ; you can redistribute it and/or modify
9     *  it under the terms of the GNU General Public License as published by
10     *  the Free Software Foundation ; either version 2 of the License, or
11     *  (at your option) any later version.
12     *
13     *  This program is distributed in the hope that it will be useful,
14     *  but WITHOUT ANY WARRANTY ; without even the implied warranty of
15     *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16     *  GNU General Public License for more details.
17     *
18     *  You should have received a copy of the GNU General Public License
19     *  along with this program ; if not, write to the Free Software
20     *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
21     *
22     * $Id$
23     *
24     ****************************************************************************/
25    
26    #ifndef _FILTER_H_
27    #define _FILTER_H_
28    
29    #include <xvid.h>
30    #include "IXvidDecoder.h"
31    
32    #ifdef _DEBUG
33    #include <stdio.h>      /* vsprintf */
34    #define DPRINTF_BUF_SZ  1024
35    static __inline void
36    DPRINTF(char *fmt, ...)
37    {
38            va_list args;
39            char buf[DPRINTF_BUF_SZ];
40    
41            va_start(args, fmt);
42            vsprintf(buf, fmt, args);
43            OutputDebugString(buf);
44    }
45    #else
46    static __inline void
47    DPRINTF(char *fmt, ...) { }
48    #endif
49    
50    /* registry stuff */
51    #define XVID_REG_KEY    HKEY_CURRENT_USER
52    #define XVID_REG_SUBKEY "Software\\GNU\\XviD"
53    #define XVID_REG_CLASS  "config"
54    
55    #define REG_GET_N(X, Y, Z) size=sizeof(int);if(RegQueryValueEx(hKey, X, 0, 0, (LPBYTE)&Y, &size) != ERROR_SUCCESS) {Y=Z;}
56    #define REG_GET_S(X, Y, Z) size=MAX_PATH;if(RegQueryValueEx(hKey, X, 0, 0, Y, &size) != ERROR_SUCCESS) {lstrcpy(Y, Z);}
57    #define REG_SET_N(X, Y) RegSetValueEx(hKey, X, 0, REG_DWORD, (LPBYTE)&Y, sizeof(int))
58    #define REG_SET_S(X, Y) RegSetValueEx(hKey, X, 0, REG_SZ, Y, lstrlen(Y)+1)
59    
60    #define XVID_NAME_L             L"XviD MPEG-4 Video Decoder"
61    
62    /* --- fourcc --- */
63    
64    #define FOURCC_XVID     mmioFOURCC('X','V','I','D')
65    #define FOURCC_DIVX     mmioFOURCC('D','I','V','X')
66    #define FOURCC_DX50     mmioFOURCC('D','X','5','0')
67    
68    /* --- media uids --- */
69    
70    DEFINE_GUID(CLSID_XVID,         mmioFOURCC('x','v','i','d'), 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
71    DEFINE_GUID(CLSID_XVID_UC,      mmioFOURCC('X','V','I','D'), 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
72    DEFINE_GUID(CLSID_DIVX,         mmioFOURCC('d','i','v','x'), 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
73    DEFINE_GUID(CLSID_DIVX_UC,      mmioFOURCC('D','I','V','X'), 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
74    DEFINE_GUID(CLSID_DX50,         mmioFOURCC('d','x','5','0'), 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
75    DEFINE_GUID(CLSID_DX50_UC,      mmioFOURCC('D','X','5','0'), 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
76    
77    
78    /* MEDIATYPE_IYUV is not always defined in the directx headers */
79    DEFINE_GUID(CLSID_MEDIASUBTYPE_IYUV, 0x56555949, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
80    
81    
82    class CXvidDecoder : public CVideoTransformFilter, public IXvidDecoder, public ISpecifyPropertyPages
83    {
84    
85    public :
86    
87            static CUnknown * WINAPI CreateInstance(LPUNKNOWN punk, HRESULT *phr);
88            STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void ** ppv);
89            DECLARE_IUNKNOWN;
90    
91            CXvidDecoder(LPUNKNOWN punk, HRESULT *phr);
92            ~CXvidDecoder();
93    
94            HRESULT CheckInputType(const CMediaType * mtIn);
95            HRESULT GetMediaType(int iPos, CMediaType * pmt);
96            HRESULT SetMediaType(PIN_DIRECTION direction, const CMediaType *pmt);
97    
98            HRESULT CheckTransform(const CMediaType *mtIn, const CMediaType *mtOut);
99            HRESULT DecideBufferSize(IMemAllocator * pima, ALLOCATOR_PROPERTIES * pProperties);
100    
101            HRESULT Transform(IMediaSample *pIn, IMediaSample *pOut);
102    
103            STDMETHODIMP GetPages(CAUUID * pPages);
104            STDMETHODIMP FreePages(CAUUID * pPages);
105    
106    private :
107    
108            HRESULT ChangeColorspace(GUID subtype, GUID formattype, void * format);
109    
110            xvid_dec_create_t m_create;
111            xvid_dec_frame_t m_frame;
112    };
113    
114    
115    #endif /* _FILTER_H_ */
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