/*****************************************************************************
 * access.h : DirectShow access module for vlc
 * access_sys_t definition
 *****************************************************************************
 * Copyright (C) 2002, 2004, 2010-2011 VLC authors and VideoLAN
 * $Id$
 *
 * Author: Gildas Bazin <gbazin@videolan.org>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

/*****************************************************************************
 * Preamble
 *****************************************************************************/

#include <dshow.h>

#include <vector>

#include <wrl/client.h>
using Microsoft::WRL::ComPtr;

/****************************************************************************
 * Crossbar stuff
 ****************************************************************************/
#define MAX_CROSSBAR_DEPTH 10

struct CrossbarRoute
{
    ComPtr<IAMCrossbar> pXbar;
    LONG        VideoInputIndex;
    LONG        VideoOutputIndex;
    LONG        AudioInputIndex;
    LONG        AudioOutputIndex;
};

void DeleteCrossbarRoutes( access_sys_t * );
HRESULT FindCrossbarRoutes( vlc_object_t *, access_sys_t *,
                            IPin *, LONG, int = 0 );

/****************************************************************************
 * Access descriptor declaration
 ****************************************************************************/
struct access_sys_t
{
    /* These 2 must be left at the beginning */
    vlc_mutex_t lock;
    vlc_cond_t  wait;

    ComPtr<IFilterGraph>            p_graph;
    ComPtr<ICaptureGraphBuilder2>   p_capture_graph_builder2;
    ComPtr<IMediaControl>           p_control;

    int                     i_crossbar_route_depth;
    CrossbarRoute           crossbar_routes[MAX_CROSSBAR_DEPTH];

    /* list of elementary streams */
    std::vector<struct dshow_stream_t*> pp_streams;
    int            i_current_stream;

    /* misc properties */
    int            i_width;
    int            i_height;
    int            i_chroma;
    vlc_tick_t     i_start;
};