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wingdi.c
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wingdi.c
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/*****************************************************************************
* wingdi.c : Win32 / WinCE GDI video output plugin for vlc
*****************************************************************************
* Copyright (C) 2002 the VideoLAN team
* $Id$
*
* Authors: Gildas Bazin <[email protected]>
* Samuel Hocevar <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h> /* malloc(), free() */
#include <string.h>
#include <vlc/vlc.h>
#include <vlc/intf.h>
#include <vlc/vout.h>
#include <commctrl.h>
#define SHFS_SHOWSIPBUTTON 0x0004
#define SHFS_HIDESIPBUTTON 0x0008
#if defined(UNDER_CE) && !defined(__PLUGIN__) /*FIXME*/
# define MENU_HEIGHT 26
BOOL SHFullScreen(HWND hwndRequester, DWORD dwState);
#else
# define MENU_HEIGHT 0
# define SHFullScreen(a,b)
#endif
#ifdef MODULE_NAME_IS_wingapi
typedef struct GXDisplayProperties {
DWORD cxWidth;
DWORD cyHeight;
long cbxPitch;
long cbyPitch;
long cBPP;
DWORD ffFormat;
} GXDisplayProperties;
typedef struct GXScreenRect {
DWORD dwTop;
DWORD dwLeft;
DWORD dwWidth;
DWORD dwHeight;
} GXScreenRect;
# define GX_FULLSCREEN 0x01
# define GX_NORMALKEYS 0x02
# define GX_LANDSCAPEKEYS 0x03
# ifndef kfLandscape
# define kfLandscape 0x8
# define kfPalette 0x10
# define kfDirect 0x20
# define kfDirect555 0x40
# define kfDirect565 0x80
# define kfDirect888 0x100
# define kfDirect444 0x200
# define kfDirectInverted 0x400
# endif
#endif /* MODULE_NAME_IS_wingapi */
#define MAX_DIRECTBUFFERS 10
#ifdef UNDER_CE
#ifndef WS_OVERLAPPEDWINDOW
# define WS_OVERLAPPEDWINDOW 0xcf0000
#endif
#ifndef WS_EX_NOPARENTNOTIFY
# define WS_EX_NOPARENTNOTIFY 4
#endif
#ifndef WS_EX_APPWINDOW
#define WS_EX_APPWINDOW 0x40000
#endif
#define SetWindowLongPtr SetWindowLong
#define GetWindowLongPtr GetWindowLong
#define GWLP_USERDATA GWL_USERDATA
#define AdjustWindowRect(a,b,c)
#endif //UNDER_CE
#ifndef WS_NONAVDONEBUTTON
#define WS_NONAVDONEBUTTON 0
#endif
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int OpenVideo ( vlc_object_t * );
static void CloseVideo ( vlc_object_t * );
static int Init ( vout_thread_t * );
static void End ( vout_thread_t * );
static int Manage ( vout_thread_t * );
static void Render ( vout_thread_t *, picture_t * );
#ifdef MODULE_NAME_IS_wingapi
static void DisplayGAPI( vout_thread_t *, picture_t * );
static int GAPILockSurface( vout_thread_t *, picture_t * );
static int GAPIUnlockSurface( vout_thread_t *, picture_t * );
#else
static void DisplayGDI( vout_thread_t *, picture_t * );
#endif
static void SetPalette( vout_thread_t *, uint16_t *, uint16_t *, uint16_t * );
static void EventThread ( vlc_object_t * );
static long FAR PASCAL WndProc ( HWND, UINT, WPARAM, LPARAM );
static void InitBuffers ( vout_thread_t * );
static void UpdateRects ( vout_thread_t *, vlc_bool_t );
static int Control( vout_thread_t *p_vout, int i_query, va_list args );
/*****************************************************************************
* Private structure
*****************************************************************************/
struct vout_sys_t
{
/* The event thread */
vlc_object_t * p_event;
/* Our video output window */
HWND hwnd;
HWND hvideownd;
HWND hfswnd;
int i_depth;
HWND hparent; /* Handle of the parent window */
WNDPROC pf_wndproc; /* Window handling callback */
volatile uint16_t i_changes; /* changes made to the video display */
RECT window_placement;
/* Window position and size */
int i_window_x;
int i_window_y;
int i_window_width;
int i_window_height;
int i_window_style;
int render_width;
int render_height;
/* Coordinates of src and dest images (used when blitting to display) */
RECT rect_src;
RECT rect_src_clipped;
RECT rect_dest;
RECT rect_dest_clipped;
RECT rect_parent;
RECT rect_display;
/* Our offscreen bitmap and its framebuffer */
HDC off_dc;
HBITMAP off_bitmap;
uint8_t * p_pic_buffer;
int i_pic_pitch;
int i_pic_pixel_pitch;
BITMAPINFO bitmapinfo;
RGBQUAD red;
RGBQUAD green;
RGBQUAD blue;
/* WINCE stuff */
vlc_bool_t b_video_display;
/* Window focus states */
vlc_bool_t b_focus;
vlc_bool_t b_parent_focus;
#ifdef MODULE_NAME_IS_wingapi
HINSTANCE gapi_dll; /* handle of the opened gapi dll */
/* GAPI functions */
int (*GXOpenDisplay)( HWND hWnd, DWORD dwFlags );
int (*GXCloseDisplay)();
void *(*GXBeginDraw)();
int (*GXEndDraw)();
GXDisplayProperties (*GXGetDisplayProperties)();
int (*GXSuspend)();
int (*GXResume)();
#endif
};
#define GXOpenDisplay p_vout->p_sys->GXOpenDisplay
#define GXCloseDisplay p_vout->p_sys->GXCloseDisplay
#define GXBeginDraw p_vout->p_sys->GXBeginDraw
#define GXEndDraw p_vout->p_sys->GXEndDraw
#define GXGetDisplayProperties p_vout->p_sys->GXGetDisplayProperties
#ifdef MODULE_NAME_IS_wingapi
# define GXSuspend p_vout->p_sys->GXSuspend
# define GXResume p_vout->p_sys->GXResume
#else
# define GXSuspend()
# define GXResume()
#endif
#define DX_POSITION_CHANGE 0x1000
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_category( CAT_VIDEO );
set_subcategory( SUBCAT_VIDEO_VOUT );
#ifdef MODULE_NAME_IS_wingapi
set_shortname( "Windows GAPI" );
set_description( _("Windows GAPI video output") );
set_capability( "video output", 20 );
#else
set_shortname( "Windows GDI" );
set_description( _("Windows GDI video output") );
set_capability( "video output", 10 );
#endif
set_callbacks( OpenVideo, CloseVideo );
vlc_module_end();
/*****************************************************************************
* OpenVideo: activate GDI video thread output method
*****************************************************************************/
static int OpenVideo ( vlc_object_t *p_this )
{
vout_thread_t * p_vout = (vout_thread_t *)p_this;
vlc_value_t val;
p_vout->p_sys = (vout_sys_t *)malloc( sizeof(vout_sys_t) );
if( !p_vout->p_sys ) return VLC_ENOMEM;
#ifdef MODULE_NAME_IS_wingapi
/* Load GAPI */
p_vout->p_sys->gapi_dll = LoadLibrary( _T("GX.DLL") );
if( p_vout->p_sys->gapi_dll == NULL )
{
msg_Warn( p_vout, "failed loading gx.dll" );
free( p_vout->p_sys );
return VLC_EGENERIC;
}
GXOpenDisplay = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
_T("?GXOpenDisplay@@YAHPAUHWND__@@K@Z") );
GXCloseDisplay = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
_T("?GXCloseDisplay@@YAHXZ") );
GXBeginDraw = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
_T("?GXBeginDraw@@YAPAXXZ") );
GXEndDraw = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
_T("?GXEndDraw@@YAHXZ") );
GXGetDisplayProperties = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
_T("?GXGetDisplayProperties@@YA?AUGXDisplayProperties@@XZ") );
GXSuspend = (void *)GetProcAddress( p_vout->p_sys->gapi_dll,
_T("?GXSuspend@@YAHXZ") );
GXResume = GetProcAddress( p_vout->p_sys->gapi_dll,
_T("?GXResume@@YAHXZ") );
if( !GXOpenDisplay || !GXCloseDisplay || !GXBeginDraw || !GXEndDraw ||
!GXGetDisplayProperties || !GXSuspend || !GXResume )
{
msg_Err( p_vout, "failed GetProcAddress on gapi.dll" );
free( p_vout->p_sys );
return VLC_EGENERIC;
}
msg_Dbg( p_vout, "GAPI DLL loaded" );
p_vout->p_sys->render_width = p_vout->render.i_width;
p_vout->p_sys->render_height = p_vout->render.i_height;
#endif
p_vout->p_sys->p_event = (vlc_object_t *)
vlc_object_create( p_vout, VLC_OBJECT_GENERIC );
if( !p_vout->p_sys->p_event )
{
free( p_vout->p_sys );
return VLC_ENOMEM;
}
var_Create( p_vout->p_sys->p_event, "p_vout", VLC_VAR_ADDRESS );
val.p_address = (void *)p_vout;
var_Set( p_vout->p_sys->p_event, "p_vout", val );
SetRectEmpty( &p_vout->p_sys->rect_display );
SetRectEmpty( &p_vout->p_sys->rect_parent );
if( vlc_thread_create( p_vout->p_sys->p_event, "GDI Event Thread",
EventThread, 0, 1 ) )
{
msg_Err( p_vout, "cannot spawn EventThread" );
return VLC_ETHREAD;
}
p_vout->pf_init = Init;
p_vout->pf_end = End;
p_vout->pf_manage = Manage;
p_vout->pf_render = Render;
#ifdef MODULE_NAME_IS_wingapi
p_vout->pf_display = DisplayGAPI;
#else
p_vout->pf_display = DisplayGDI;
#endif
p_vout->p_sys->i_changes = 0;
p_vout->p_sys->b_focus = 0;
p_vout->p_sys->b_parent_focus = 0;
return VLC_SUCCESS;
}
/*****************************************************************************
* CloseVideo: deactivate the GDI video output
*****************************************************************************/
static void CloseVideo ( vlc_object_t *p_this )
{
vout_thread_t * p_vout = (vout_thread_t *)p_this;
p_vout->p_sys->p_event->b_die = VLC_TRUE;
PostMessage( p_vout->p_sys->hwnd, WM_NULL, 0, 0 );
vlc_thread_join( p_vout->p_sys->p_event );
#ifdef MODULE_NAME_IS_wingapi
FreeLibrary( p_vout->p_sys->gapi_dll );
#endif
var_Destroy( p_vout->p_sys->p_event, "p_vout" );
vlc_object_destroy( p_vout->p_sys->p_event );
free( p_vout->p_sys );
}
/*****************************************************************************
* Init: initialize video thread output method
*****************************************************************************/
static int Init( vout_thread_t *p_vout )
{
picture_t *p_pic;
p_vout->p_sys->rect_display.left = 0;
p_vout->p_sys->rect_display.top = 0;
p_vout->p_sys->rect_display.right = GetSystemMetrics(SM_CXSCREEN);
p_vout->p_sys->rect_display.bottom = GetSystemMetrics(SM_CYSCREEN);
p_vout->p_sys->b_video_display = VLC_TRUE;
p_vout->p_sys->p_event->b_die = VLC_FALSE;
I_OUTPUTPICTURES = 0;
/* Initialize the output structure */
switch( p_vout->p_sys->i_depth )
{
case 8:
p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
p_vout->output.pf_setpalette = SetPalette;
break;
case 15:
p_vout->output.i_chroma = VLC_FOURCC('R','V','1','5');
p_vout->output.i_rmask = 0x7c00;
p_vout->output.i_gmask = 0x03e0;
p_vout->output.i_bmask = 0x001f;
break;
case 16:
p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
p_vout->output.i_rmask = 0xf800;
p_vout->output.i_gmask = 0x07e0;
p_vout->output.i_bmask = 0x001f;
break;
case 24:
p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
p_vout->output.i_rmask = 0x00ff0000;
p_vout->output.i_gmask = 0x0000ff00;
p_vout->output.i_bmask = 0x000000ff;
break;
case 32:
p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
p_vout->output.i_rmask = 0x00ff0000;
p_vout->output.i_gmask = 0x0000ff00;
p_vout->output.i_bmask = 0x000000ff;
break;
default:
msg_Err( p_vout, "screen depth %i not supported",
p_vout->p_sys->i_depth );
return VLC_EGENERIC;
break;
}
p_pic = &p_vout->p_picture[0];
#ifdef MODULE_NAME_IS_wingapi
p_vout->output.i_width = 0;
p_vout->output.i_height = 0;
p_pic->pf_lock = GAPILockSurface;
p_pic->pf_unlock = GAPIUnlockSurface;
Manage( p_vout );
GAPILockSurface( p_vout, p_pic );
p_vout->i_changes = 0;
p_vout->output.i_width = p_vout->p_sys->render_width;
p_vout->output.i_height = p_vout->p_sys->render_height;
#else
p_vout->output.i_width = p_vout->render.i_width;
p_vout->output.i_height = p_vout->render.i_height;
p_vout->fmt_out = p_vout->fmt_in;
p_vout->fmt_out.i_chroma = p_vout->output.i_chroma;
#endif
p_vout->output.i_aspect = p_vout->render.i_aspect;
p_pic->p->p_pixels = p_vout->p_sys->p_pic_buffer;
p_pic->p->i_lines = p_vout->output.i_height;
p_pic->p->i_visible_lines = p_vout->output.i_height;
p_pic->p->i_pitch = p_vout->p_sys->i_pic_pitch;
p_pic->p->i_pixel_pitch = p_vout->p_sys->i_pic_pixel_pitch;
p_pic->p->i_visible_pitch = p_vout->output.i_width *
p_pic->p->i_pixel_pitch;
p_pic->i_planes = 1;
p_pic->i_status = DESTROYED_PICTURE;
p_pic->i_type = DIRECT_PICTURE;
PP_OUTPUTPICTURE[ I_OUTPUTPICTURES++ ] = p_pic;
return VLC_SUCCESS;
}
/*****************************************************************************
* End: terminate video thread output method
*****************************************************************************/
static void End( vout_thread_t *p_vout )
{
}
/*****************************************************************************
* Manage: handle events
*****************************************************************************
* This function should be called regularly by video output thread. It manages
* console events. It returns a non null value on error.
*****************************************************************************/
static int Manage( vout_thread_t *p_vout )
{
#ifndef UNDER_CE
WINDOWPLACEMENT window_placement;
#endif
/* If we do not control our window, we check for geometry changes
* ourselves because the parent might not send us its events. */
if( p_vout->p_sys->hparent && !p_vout->b_fullscreen )
{
RECT rect_parent;
POINT point;
GetClientRect( p_vout->p_sys->hparent, &rect_parent );
point.x = point.y = 0;
ClientToScreen( p_vout->p_sys->hparent, &point );
OffsetRect( &rect_parent, point.x, point.y );
if( !EqualRect( &rect_parent, &p_vout->p_sys->rect_parent ) )
{
int i_x, i_y, i_width, i_height;
p_vout->p_sys->rect_parent = rect_parent;
/* This one is to force the update even if only
* the position has changed */
SetWindowPos( p_vout->p_sys->hwnd, 0, 1, 1,
rect_parent.right - rect_parent.left,
rect_parent.bottom - rect_parent.top, 0 );
SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
rect_parent.right - rect_parent.left,
rect_parent.bottom - rect_parent.top, 0 );
vout_PlacePicture( p_vout, rect_parent.right - rect_parent.left,
rect_parent.bottom - rect_parent.top,
&i_x, &i_y, &i_width, &i_height );
SetWindowPos( p_vout->p_sys->hvideownd, HWND_TOP,
i_x, i_y, i_width, i_height, 0 );
}
}
/* We used to call the Win32 PeekMessage function here to read the window
* messages. But since window can stay blocked into this function for a
* long time (for example when you move your window on the screen), I
* decided to isolate PeekMessage in another thread. */
/*
* Fullscreen change
*/
if( p_vout->i_changes & VOUT_FULLSCREEN_CHANGE
|| p_vout->p_sys->i_changes & VOUT_FULLSCREEN_CHANGE )
{
int i_style = 0;
vlc_value_t val;
HWND hwnd = (p_vout->p_sys->hparent && p_vout->p_sys->hfswnd) ?
p_vout->p_sys->hfswnd : p_vout->p_sys->hwnd;
p_vout->b_fullscreen = ! p_vout->b_fullscreen;
/* We need to switch between Maximized and Normal sized window */
#ifndef UNDER_CE
window_placement.length = sizeof(WINDOWPLACEMENT);
GetWindowPlacement( hwnd, &window_placement );
#endif
if( p_vout->b_fullscreen )
{
#ifndef UNDER_CE
/* Change window style, no borders and no title bar */
int i_style = WS_CLIPCHILDREN | WS_VISIBLE;
SetWindowLong( hwnd, GWL_STYLE, i_style );
if( p_vout->p_sys->hparent )
{
/* Retrieve current window position so fullscreen will happen
* on the right screen */
POINT point = {0,0};
RECT rect;
ClientToScreen( p_vout->p_sys->hwnd, &point );
GetClientRect( p_vout->p_sys->hwnd, &rect );
SetWindowPos( hwnd, 0, point.x, point.y,
rect.right, rect.bottom,
SWP_NOZORDER|SWP_FRAMECHANGED );
GetWindowPlacement( hwnd, &window_placement );
}
/* Maximize window */
window_placement.showCmd = SW_SHOWMAXIMIZED;
SetWindowPlacement( hwnd, &window_placement );
SetWindowPos( hwnd, 0, 0, 0, 0, 0,
SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER|SWP_FRAMECHANGED);
#endif
if( p_vout->p_sys->hparent )
{
RECT rect;
GetClientRect( hwnd, &rect );
SetParent( p_vout->p_sys->hwnd, hwnd );
SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
rect.right, rect.bottom,
SWP_NOZORDER|SWP_FRAMECHANGED );
}
ShowWindow( hwnd, SW_SHOW );
SetForegroundWindow( hwnd );
}
else
{
/* Change window style, no borders and no title bar */
//SetWindowLong( hwnd, GWL_STYLE, p_vout->p_sys->i_window_style );
#ifndef UNDER_CE
/* Normal window */
window_placement.showCmd = SW_SHOWNORMAL;
SetWindowPlacement( hwnd, &window_placement );
SetWindowPos( hwnd, 0, 0, 0, 0, 0,
SWP_NOMOVE|SWP_NOSIZE|SWP_NOZORDER|SWP_FRAMECHANGED);
#endif
if( p_vout->p_sys->hparent )
{
RECT rect;
GetClientRect( p_vout->p_sys->hparent, &rect );
SetParent( p_vout->p_sys->hwnd, p_vout->p_sys->hparent );
SetWindowPos( p_vout->p_sys->hwnd, 0, 0, 0,
rect.right, rect.bottom,
SWP_NOZORDER|SWP_FRAMECHANGED );
ShowWindow( hwnd, SW_HIDE );
SetForegroundWindow( p_vout->p_sys->hparent );
}
/* Make sure the mouse cursor is displayed */
//PostMessage( p_vout->p_sys->hwnd, WM_VLC_SHOW_MOUSE, 0, 0 );
}
/* Change window style, borders and title bar */
ShowWindow( p_vout->p_sys->hwnd, SW_SHOW );
UpdateWindow( p_vout->p_sys->hwnd );
/* Update the object variable and trigger callback */
val.b_bool = p_vout->b_fullscreen;
var_Set( p_vout, "fullscreen", val );
p_vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
p_vout->p_sys->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
}
return VLC_SUCCESS;
}
/*****************************************************************************
* Render: render previously calculated output
*****************************************************************************/
static void Render( vout_thread_t *p_vout, picture_t *p_pic )
{
/* No need to do anything, the fake direct buffers stay as they are */
}
/*****************************************************************************
* Display: displays previously rendered output
*****************************************************************************/
#define rect_src p_vout->p_sys->rect_src
#define rect_src_clipped p_vout->p_sys->rect_src_clipped
#define rect_dest p_vout->p_sys->rect_dest
#define rect_dest_clipped p_vout->p_sys->rect_dest_clipped
#ifndef MODULE_NAME_IS_wingapi
static void DisplayGDI( vout_thread_t *p_vout, picture_t *p_pic )
{
vout_sys_t *p_sys = p_vout->p_sys;
RECT rect_dst = rect_dest_clipped;
HDC hdc = GetDC( p_sys->hvideownd );
OffsetRect( &rect_dst, -rect_dest.left, -rect_dest.top );
SelectObject( p_sys->off_dc, p_sys->off_bitmap );
if( rect_dest_clipped.right - rect_dest_clipped.left !=
rect_src_clipped.right - rect_src_clipped.left ||
rect_dest_clipped.bottom - rect_dest_clipped.top !=
rect_src_clipped.bottom - rect_src_clipped.top )
{
StretchBlt( hdc, rect_dst.left, rect_dst.top,
rect_dst.right, rect_dst.bottom,
p_sys->off_dc, rect_src_clipped.left, rect_src_clipped.top,
rect_src_clipped.right, rect_src_clipped.bottom, SRCCOPY );
}
else
{
BitBlt( hdc, rect_dst.left, rect_dst.top,
rect_dst.right, rect_dst.bottom,
p_sys->off_dc, rect_src_clipped.left,
rect_src_clipped.top, SRCCOPY );
}
ReleaseDC( p_sys->hwnd, hdc );
}
#else
static int GAPILockSurface( vout_thread_t *p_vout, picture_t *p_pic )
{
vout_sys_t *p_sys = p_vout->p_sys;
int i_x, i_y, i_width, i_height;
RECT video_rect;
POINT point;
/* Undo the display */
if( ( GetForegroundWindow() != GetParent(p_sys->hwnd) ) ||
( p_sys->b_video_display == VLC_FALSE ) )
{
//return VLC_EGENERIC;
}
GetClientRect( p_sys->hwnd, &video_rect);
vout_PlacePicture( p_vout, video_rect.right - video_rect.left,
video_rect.bottom - video_rect.top,
&i_x, &i_y, &i_width, &i_height );
point.x = point.y = 0;
ClientToScreen( p_sys->hwnd, &point );
i_x += point.x + video_rect.left;
i_y += point.y + video_rect.top;
if( i_width != p_vout->output.i_width ||
i_height != p_vout->output.i_height )
{
GXDisplayProperties gxdisplayprop = GXGetDisplayProperties();
p_sys->render_width = i_width;
p_sys->render_height = i_height;
p_vout->i_changes |= VOUT_SIZE_CHANGE;
msg_Dbg( p_vout, "vout size change (%ix%i -> %ix%i)",
i_width, i_height, p_vout->output.i_width,
p_vout->output.i_height );
p_vout->p_sys->i_pic_pixel_pitch = gxdisplayprop.cbxPitch;
p_vout->p_sys->i_pic_pitch = gxdisplayprop.cbyPitch;
return VLC_EGENERIC;
}
else
{
GXDisplayProperties gxdisplayprop;
RECT display_rect, dest_rect;
uint8_t *p_dest, *p_src = p_pic->p->p_pixels;
video_rect.left = i_x; video_rect.top = i_y;
video_rect.right = i_x + i_width;
video_rect.bottom = i_y + i_height;
gxdisplayprop = GXGetDisplayProperties();
display_rect.left = 0; display_rect.top = 0;
display_rect.right = gxdisplayprop.cxWidth;
display_rect.bottom = gxdisplayprop.cyHeight;
if( !IntersectRect( &dest_rect, &video_rect, &display_rect ) )
{
return VLC_EGENERIC;
}
#if 0
msg_Err( p_vout, "video (%d,%d,%d,%d) display (%d,%d,%d,%d) "
"dest (%d,%d,%d,%d)",
video_rect.left, video_rect.right,
video_rect.top, video_rect.bottom,
display_rect.left, display_rect.right,
display_rect.top, display_rect.bottom,
dest_rect.left, dest_rect.right,
dest_rect.top, dest_rect.bottom );
#endif
if( !(p_dest = GXBeginDraw()) )
{
#if 0
msg_Err( p_vout, "GXBeginDraw error %d ", GetLastError() );
#endif
return VLC_EGENERIC;
}
p_src += (dest_rect.left - video_rect.left) * gxdisplayprop.cbxPitch +
(dest_rect.top - video_rect.top) * p_pic->p->i_pitch;
p_dest += dest_rect.left * gxdisplayprop.cbxPitch +
dest_rect.top * gxdisplayprop.cbyPitch;
i_width = dest_rect.right - dest_rect.left;
i_height = dest_rect.bottom - dest_rect.top;
p_pic->p->p_pixels = p_dest;
}
return VLC_SUCCESS;
}
static int GAPIUnlockSurface( vout_thread_t *p_vout, picture_t *p_pic )
{
GXEndDraw();
return VLC_SUCCESS;
}
static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic )
{
}
#endif
#undef rect_src
#undef rect_src_clipped
#undef rect_dest
#undef rect_dest_clipped
/*****************************************************************************
* SetPalette: sets an 8 bpp palette
*****************************************************************************/
static void SetPalette( vout_thread_t *p_vout,
uint16_t *red, uint16_t *green, uint16_t *blue )
{
msg_Err( p_vout, "FIXME: SetPalette unimplemented" );
}
/*****************************************************************************
* EventThread: Event handling thread
*****************************************************************************/
static void EventThread ( vlc_object_t *p_event )
{
vout_thread_t *p_vout;
vlc_value_t val;
int i_style;
WNDCLASS wc;
MSG msg;
/* Initialisations */
var_Get( p_event, "p_vout", &val );
p_vout = (vout_thread_t *)val.p_address;
/* Register window class */
memset( &wc, 0, sizeof(wc) );
wc.style = CS_HREDRAW | CS_VREDRAW;
wc.lpfnWndProc = (WNDPROC)WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = GetModuleHandle(NULL);
wc.hIcon = 0;
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)GetStockObject( BLACK_BRUSH );
wc.lpszMenuName = 0;
wc.lpszClassName = _T("VLC WinGDI");
RegisterClass( &wc );
/* Register the video sub-window class */
wc.lpszClassName = _T("VLC WinGDI video"); wc.hIcon = 0;
RegisterClass(&wc);
/* Create output window */
p_vout->p_sys->hparent = (HWND)
vout_RequestWindow( p_vout, &p_vout->p_sys->i_window_x,
&p_vout->p_sys->i_window_y,
(unsigned int *)&p_vout->p_sys->i_window_width,
(unsigned int *)&p_vout->p_sys->i_window_height );
if( p_vout->p_sys->hparent )
ShowWindow( p_vout->p_sys->hparent, SW_SHOW );
if( p_vout->p_sys->hparent )
i_style = WS_VISIBLE|WS_CLIPCHILDREN|WS_CHILD;
else
i_style = WS_OVERLAPPEDWINDOW|WS_SIZEBOX|WS_VISIBLE|WS_CLIPCHILDREN;
p_vout->p_sys->i_window_style = i_style;
p_vout->p_sys->hwnd =
CreateWindow( _T("VLC WinGDI"), _T(VOUT_TITLE), i_style,
(p_vout->p_sys->i_window_x < 0) ? CW_USEDEFAULT :
p_vout->p_sys->i_window_x, /* default X coordinate */
(p_vout->p_sys->i_window_y < 0) ? CW_USEDEFAULT :
p_vout->p_sys->i_window_y, /* default Y coordinate */
p_vout->p_sys->i_window_width,
p_vout->p_sys->i_window_height + 10,
p_vout->p_sys->hparent, NULL,
GetModuleHandle(NULL), (LPVOID)p_vout );
if( !p_vout->p_sys->hwnd )
{
msg_Warn( p_vout, "couldn't create window" );
return;
}
msg_Warn( p_vout, "Created WinGDI window" );
if( p_vout->p_sys->hparent )
{
LONG i_style;
/* We don't want the window owner to overwrite our client area */
i_style = GetWindowLong( p_vout->p_sys->hparent, GWL_STYLE );
if( !(i_style & WS_CLIPCHILDREN) )
/* Hmmm, apparently this is a blocking call... */
SetWindowLong( p_vout->p_sys->hparent, GWL_STYLE,
i_style | WS_CLIPCHILDREN );
/* Create our fullscreen window */
p_vout->p_sys->hfswnd =
CreateWindowEx( WS_EX_APPWINDOW, _T("VLC WinGDI"),
_T(VOUT_TITLE),
WS_NONAVDONEBUTTON|WS_CLIPCHILDREN,
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, GetModuleHandle(NULL), (LPVOID)p_vout);
}
/* Display our window */
ShowWindow( p_vout->p_sys->hwnd, SW_SHOW );
UpdateWindow( p_vout->p_sys->hwnd );
/* Create video sub-window */
p_vout->p_sys->hvideownd =
CreateWindow( _T("VLC WinGDI video"), _T(""), /* window class */
WS_CHILD | WS_VISIBLE, /* window style */
CW_USEDEFAULT, CW_USEDEFAULT, /* default coordinates */
CW_USEDEFAULT, CW_USEDEFAULT,
p_vout->p_sys->hwnd, /* parent window */
NULL, GetModuleHandle(NULL),
(LPVOID)p_vout ); /* send p_vout to WM_CREATE */
/* Initialize offscreen buffer */
InitBuffers( p_vout );
p_vout->pf_control = Control;
/* Tell the video output we're ready to receive data */
vlc_thread_ready( p_event );
while( !p_event->b_die && GetMessage( &msg, 0, 0, 0 ) )
{
/* Check if we are asked to exit */
if( p_event->b_die ) break;
switch( msg.message )
{
case WM_KEYDOWN:
switch( msg.wParam )
{
case VK_ESCAPE:
p_event->p_vlc->b_die = VLC_TRUE;
break;
}
TranslateMessage( &msg );
break;
case WM_CHAR:
switch( msg.wParam )
{
case 'q':
case 'Q':
p_event->p_vlc->b_die = VLC_TRUE;
break;
}
break;
default:
TranslateMessage( &msg );
DispatchMessage( &msg );
break;
}
}
msg_Dbg( p_vout, "CloseWindow" );
#ifdef MODULE_NAME_IS_wingapi
GXCloseDisplay();
#else
DeleteDC( p_vout->p_sys->off_dc );
DeleteObject( p_vout->p_sys->off_bitmap );
#endif
DestroyWindow( p_vout->p_sys->hwnd );
if( p_vout->p_sys->hfswnd ) DestroyWindow( p_vout->p_sys->hfswnd );
if( p_vout->p_sys->hparent )
vout_ReleaseWindow( p_vout, (void *)p_vout->p_sys->hparent );
}
/*****************************************************************************
* UpdateRects: update clipping rectangles
*****************************************************************************
* This function is called when the window position or size are changed, and
* its job is to update the source and destination RECTs used to display the
* picture.
*****************************************************************************/
static void UpdateRects( vout_thread_t *p_vout, vlc_bool_t b_force )
{
#define rect_src p_vout->p_sys->rect_src
#define rect_src_clipped p_vout->p_sys->rect_src_clipped
#define rect_dest p_vout->p_sys->rect_dest
#define rect_dest_clipped p_vout->p_sys->rect_dest_clipped
int i_width, i_height, i_x, i_y;
RECT rect;
POINT point;
/* Retrieve the window size */
GetClientRect( p_vout->p_sys->hwnd, &rect );
/* Retrieve the window position */
point.x = point.y = 0;
ClientToScreen( p_vout->p_sys->hwnd, &point );
/* If nothing changed, we can return */
if( !b_force
&& p_vout->p_sys->i_window_width == rect.right
&& p_vout->p_sys->i_window_height == rect.bottom
&& p_vout->p_sys->i_window_x == point.x
&& p_vout->p_sys->i_window_y == point.y )
{
return;
}
/* Update the window position and size */
p_vout->p_sys->i_window_x = point.x;
p_vout->p_sys->i_window_y = point.y;
p_vout->p_sys->i_window_width = rect.right;
p_vout->p_sys->i_window_height = rect.bottom;
vout_PlacePicture( p_vout, rect.right, rect.bottom,
&i_x, &i_y, &i_width, &i_height );
if( p_vout->p_sys->hvideownd )
SetWindowPos( p_vout->p_sys->hvideownd, HWND_TOP,
i_x, i_y, i_width, i_height, 0 );
/* Destination image position and dimensions */
rect_dest.left = point.x + i_x;
rect_dest.right = rect_dest.left + i_width;
rect_dest.top = point.y + i_y;
rect_dest.bottom = rect_dest.top + i_height;
/* Clip the destination window */
if( !IntersectRect( &rect_dest_clipped, &rect_dest,
&p_vout->p_sys->rect_display ) )
{
SetRectEmpty( &rect_src_clipped );
return;
}
#if 0
msg_Dbg( p_vout, "image_dst_clipped coords: %i,%i,%i,%i",
rect_dest_clipped.left, rect_dest_clipped.top,
rect_dest_clipped.right, rect_dest_clipped.bottom );
#endif
/* the 2 following lines are to fix a bug when clicking on the desktop */
if( (rect_dest_clipped.right - rect_dest_clipped.left)==0 ||
(rect_dest_clipped.bottom - rect_dest_clipped.top)==0 )
{
SetRectEmpty( &rect_src_clipped );
return;
}