modules/video_output/win32/common.h

   1 /*****************************************************************************
   2  * common.h: Windows video output header file
   3  *****************************************************************************
   4  * Copyright (C) 2001-2009 VLC authors and VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Gildas Bazin <gbazin@videolan.org>
   8  *          Damien Fouilleul <damienf@videolan.org>
   9  *          Martell Malone <martellmalone@gmail.com>
  10  *
  11  * This program is free software; you can redistribute it and/or modify it
  12  * under the terms of the GNU Lesser General Public License as published by
  13  * the Free Software Foundation; either version 2.1 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  19  * GNU Lesser General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU Lesser General Public License
  22  * along with this program; if not, write to the Free Software Foundation,
  23  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  24  *****************************************************************************/
  25
  26 /*****************************************************************************
  27  * event_thread_t: event thread
  28  *****************************************************************************/
  29 #include "events.h"
  30
  31 /*****************************************************************************
  32  * vout_sys_t: video output method descriptor
  33  *****************************************************************************
  34  * This structure is part of the video output thread descriptor.
  35  * It describes the module specific properties of an output thread.
  36  *****************************************************************************/
  37 typedef struct vout_display_sys_win32_t
  38 {
  39     /* */
  40     event_thread_t *event;
  41
  42     /* */
  43     HWND                 hwnd;                  /* Handle of the main window */
  44     HWND                 hvideownd;        /* Handle of the video sub-window */
  45     struct vout_window_t *parent_window;         /* Parent window VLC object */
  46     HWND                 hparent;             /* Handle of the parent window */
  47     HWND                 hfswnd;          /* Handle of the fullscreen window */
  48
  49     /* size of the display */
  50     RECT         rect_display;
  51
  52     /* size of the overall window (including black bands) */
  53     RECT         rect_parent;
  54
  55 # if !defined(NDEBUG) && defined(HAVE_DXGIDEBUG_H)
  56     HINSTANCE     dxgidebug_dll;
  57 # endif
  58
  59     unsigned changes;        /* changes made to the video display */
  60
  61     /* Misc */
  62     bool is_first_display;
  63     bool is_on_top;
  64
  65     /* Coordinates of src and dest images (used when blitting to display) */
  66     RECT         rect_src;
  67     RECT         rect_src_clipped;
  68     RECT         rect_dest;
  69     RECT         rect_dest_clipped;
  70
  71     picture_pool_t *pool;
  72
  73     bool use_desktop;     /* show video on desktop window ? */
  74
  75     bool use_overlay;     /* Are we using an overlay surface */
  76     /* Overlay alignment restrictions */
  77     int  i_align_src_boundary;
  78     int  i_align_src_size;
  79     int  i_align_dest_boundary;
  80     int  i_align_dest_size;
  81
  82     bool (*pf_GetRect)(const struct vout_display_sys_win32_t *p_sys, RECT *out);
  83 } vout_display_sys_win32_t;
  84
  85
  86 /*****************************************************************************
  87  * Prototypes from common.c
  88  *****************************************************************************/
  89 int  CommonInit(vout_display_t *);
  90 void CommonClean(vout_display_t *);
  91 void CommonManage(vout_display_t *);
  92 int  CommonControl(vout_display_t *, int , va_list );
  93 void CommonDisplay(vout_display_t *);
  94 int  CommonUpdatePicture(picture_t *, picture_t **fallback, uint8_t *plane, unsigned pitch);
  95
  96 void UpdateRects (vout_display_t *,
  97                   const vout_display_cfg_t *,
  98                   bool is_forced);
  99 void AlignRect(RECT *, int align_boundary, int align_size);
 100
 101 picture_pool_t *CommonPool(vout_display_t *, unsigned);
 102
 103 /*****************************************************************************
 104  * Constants
 105  *****************************************************************************/
 106 #define IDM_TOGGLE_ON_TOP WM_USER + 1
 107 #define DX_POSITION_CHANGE 0x1000