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common.h

00001 /*****************************************************************************
00002  * common.h : DirectShow access module for vlc
00003  *****************************************************************************
00004  * Copyright (C) 2002 the VideoLAN team
00005  * $Id: common.h 11664 2005-07-09 06:17:09Z courmisch $
00006  *
00007  * Author: Gildas Bazin <[email protected]>
00008  *
00009  * This program is free software; you can redistribute it and/or modify
00010  * it under the terms of the GNU General Public License as published by
00011  * the Free Software Foundation; either version 2 of the License, or
00012  * (at your option) any later version.
00013  *
00014  * This program is distributed in the hope that it will be useful,
00015  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00016  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00017  * GNU General Public License for more details.
00018  *
00019  * You should have received a copy of the GNU General Public License
00020  * along with this program; if not, write to the Free Software
00021  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
00022  *****************************************************************************/
00023 
00024 /*****************************************************************************
00025  * Preamble
00026  *****************************************************************************/
00027 #include <string>
00028 #include <list>
00029 #include <deque>
00030 using namespace std;
00031 
00032 #ifndef _MSC_VER
00033 #   include <wtypes.h>
00034 #   include <unknwn.h>
00035 #   include <ole2.h>
00036 #   include <limits.h>
00037 #   define _WINGDI_ 1
00038 #   define AM_NOVTABLE
00039 #   define _OBJBASE_H_
00040 #   undef _X86_
00041 #   define _I64_MAX LONG_LONG_MAX
00042 #   define LONGLONG long long
00043 #endif
00044 
00045 #include <dshow.h>
00046 
00047 typedef struct dshow_stream_t dshow_stream_t;
00048 
00049 /****************************************************************************
00050  * Crossbar stuff
00051  ****************************************************************************/
00052 #define MAX_CROSSBAR_DEPTH 10
00053 
00054 typedef struct CrossbarRouteRec
00055 {
00056     IAMCrossbar *pXbar;
00057     LONG        VideoInputIndex;
00058     LONG        VideoOutputIndex;
00059     LONG        AudioInputIndex;
00060     LONG        AudioOutputIndex;
00061 
00062 } CrossbarRoute;
00063 
00064 void DeleteCrossbarRoutes( access_sys_t * );
00065 HRESULT FindCrossbarRoutes( vlc_object_t *, access_sys_t *,
00066                             IPin *, LONG, int = 0 );
00067 
00068 /****************************************************************************
00069  * Access descriptor declaration
00070  ****************************************************************************/
00071 struct access_sys_t
00072 {
00073     /* These 2 must be left at the beginning */
00074     vlc_mutex_t lock;
00075     vlc_cond_t  wait;
00076 
00077     IFilterGraph           *p_graph;
00078     ICaptureGraphBuilder2  *p_capture_graph_builder2;
00079     IMediaControl          *p_control;
00080 
00081     int                     i_crossbar_route_depth;
00082     CrossbarRoute           crossbar_routes[MAX_CROSSBAR_DEPTH];
00083 
00084     /* list of elementary streams */
00085     dshow_stream_t **pp_streams;
00086     int            i_streams;
00087     int            i_current_stream;
00088 
00089     /* misc properties */
00090     int            i_width;
00091     int            i_height;
00092     int            i_chroma;
00093 };

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