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Commit 20f007d0 authored by Gildas Bazin's avatar Gildas Bazin
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* modules/video_output/wingdi.c: major optimizations (avoid unnecessary memcpy... 

* modules/video_output/wingdi.c: major optimizations (avoid unnecessary memcpy of video frames + direct rendering for gapi).
parent dcedffea
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modules/video_output/wingdi.c
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...@@ -4,8 +4,8 @@ ...@@ -4,8 +4,8 @@
* Copyright (C) 2002 VideoLAN * Copyright (C) 2002 VideoLAN
* $Id$ * $Id$
* *
* Authors: Samuel Hocevar <sam@zoy.org> * Authors: Gildas Bazin <gbazin@videolan.org>
* Gildas Bazin <gbazin@videolan.org> * Samuel Hocevar <sam@zoy.org>
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
...@@ -106,6 +106,8 @@ static int Manage ( vout_thread_t * ); ...@@ -106,6 +106,8 @@ static int Manage ( vout_thread_t * );
static void Render ( vout_thread_t *, picture_t * ); static void Render ( vout_thread_t *, picture_t * );
#ifdef MODULE_NAME_IS_wingapi #ifdef MODULE_NAME_IS_wingapi
static void DisplayGAPI( vout_thread_t *, picture_t * ); 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 #else
static void DisplayGDI( vout_thread_t *, picture_t * ); static void DisplayGDI( vout_thread_t *, picture_t * );
#endif #endif
...@@ -153,7 +155,9 @@ struct vout_sys_t ...@@ -153,7 +155,9 @@ struct vout_sys_t
/* Our offscreen bitmap and its framebuffer */ /* Our offscreen bitmap and its framebuffer */
HDC off_dc; HDC off_dc;
HBITMAP off_bitmap; HBITMAP off_bitmap;
uint8_t * p_buffer; uint8_t * p_pic_buffer;
int i_pic_pitch;
int i_pic_pixel_pitch;
BITMAPINFO bitmapinfo; BITMAPINFO bitmapinfo;
RGBQUAD red; RGBQUAD red;
...@@ -296,15 +300,14 @@ static void CloseVideo ( vlc_object_t *p_this ) ...@@ -296,15 +300,14 @@ static void CloseVideo ( vlc_object_t *p_this )
{ {
vout_thread_t * p_vout = (vout_thread_t *)p_this; vout_thread_t * p_vout = (vout_thread_t *)p_this;
#ifdef MODULE_NAME_IS_wingapi
GXCloseDisplay();
FreeLibrary( p_vout->p_sys->gapi_dll );
#endif
p_vout->p_sys->p_event->b_die = VLC_TRUE; p_vout->p_sys->p_event->b_die = VLC_TRUE;
PostMessage( p_vout->p_sys->hwnd, WM_NULL, 0, 0 ); PostMessage( p_vout->p_sys->hwnd, WM_NULL, 0, 0 );
vlc_thread_join( p_vout->p_sys->p_event ); 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" ); var_Destroy( p_vout->p_sys->p_event, "p_vout" );
vlc_object_destroy( p_vout->p_sys->p_event ); vlc_object_destroy( p_vout->p_sys->p_event );
free( p_vout->p_sys ); free( p_vout->p_sys );
...@@ -315,7 +318,6 @@ static void CloseVideo ( vlc_object_t *p_this ) ...@@ -315,7 +318,6 @@ static void CloseVideo ( vlc_object_t *p_this )
*****************************************************************************/ *****************************************************************************/
static int Init( vout_thread_t *p_vout ) static int Init( vout_thread_t *p_vout )
{ {
int i_index;
picture_t *p_pic; picture_t *p_pic;
p_vout->p_sys->rect_display.left = 0; p_vout->p_sys->rect_display.left = 0;
...@@ -366,47 +368,37 @@ static int Init( vout_thread_t *p_vout ) ...@@ -366,47 +368,37 @@ static int Init( vout_thread_t *p_vout )
break; break;
} }
p_pic = &p_vout->p_picture[0];
#ifdef MODULE_NAME_IS_wingapi #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_width = p_vout->p_sys->render_width;
p_vout->output.i_height = p_vout->p_sys->render_height; p_vout->output.i_height = p_vout->p_sys->render_height;
#else #else
p_vout->output.i_width = p_vout->render.i_width; p_vout->output.i_width = p_vout->render.i_width;
p_vout->output.i_height = p_vout->render.i_height; p_vout->output.i_height = p_vout->render.i_height;
#endif #endif
p_vout->output.i_aspect = p_vout->render.i_aspect; p_vout->output.i_aspect = p_vout->render.i_aspect;
/* Try to initialize MAX_DIRECTBUFFERS direct buffers */ p_pic->p->p_pixels = p_vout->p_sys->p_pic_buffer;
while( I_OUTPUTPICTURES < MAX_DIRECTBUFFERS ) p_pic->p->i_lines = p_vout->output.i_height;
{ p_pic->p->i_visible_lines = p_vout->output.i_height;
p_pic = NULL; 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;
/* Find an empty picture slot */ p_pic->p->i_visible_pitch = p_vout->output.i_width *
for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ ) p_pic->p->i_pixel_pitch;
{ p_pic->i_planes = 1;
if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE ) p_pic->i_status = DESTROYED_PICTURE;
{ p_pic->i_type = DIRECT_PICTURE;
p_pic = p_vout->p_picture + i_index;
break;
}
}
/* Allocate the picture */
if( p_pic == NULL ) break;
vout_AllocatePicture( VLC_OBJECT(p_vout), p_pic, PP_OUTPUTPICTURE[ I_OUTPUTPICTURES++ ] = p_pic;
p_vout->output.i_chroma,
p_vout->output.i_width, p_vout->output.i_height,
p_vout->output.i_aspect );
if( p_pic->i_planes == 0 ) break;
p_pic->i_status = DESTROYED_PICTURE;
p_pic->i_type = DIRECT_PICTURE;
PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
I_OUTPUTPICTURES++;
}
return VLC_SUCCESS; return VLC_SUCCESS;
} }
...@@ -416,14 +408,6 @@ static int Init( vout_thread_t *p_vout ) ...@@ -416,14 +408,6 @@ static int Init( vout_thread_t *p_vout )
*****************************************************************************/ *****************************************************************************/
static void End( vout_thread_t *p_vout ) static void End( vout_thread_t *p_vout )
{ {
int i_index;
/* Free the fake output buffers we allocated */
for( i_index = I_OUTPUTPICTURES ; i_index ; )
{
i_index--;
free( PP_OUTPUTPICTURE[ i_index ]->p_data_orig );
}
} }
/***************************************************************************** /*****************************************************************************
...@@ -569,18 +553,10 @@ static int Manage( vout_thread_t *p_vout ) ...@@ -569,18 +553,10 @@ static int Manage( vout_thread_t *p_vout )
//PostMessage( p_vout->p_sys->hwnd, WM_VLC_SHOW_MOUSE, 0, 0 ); //PostMessage( p_vout->p_sys->hwnd, WM_VLC_SHOW_MOUSE, 0, 0 );
} }
#ifdef MODULE_NAME_IS_wingapi
GXCloseDisplay();
#endif
/* Change window style, borders and title bar */ /* Change window style, borders and title bar */
ShowWindow( p_vout->p_sys->hwnd, SW_SHOW ); ShowWindow( p_vout->p_sys->hwnd, SW_SHOW );
UpdateWindow( p_vout->p_sys->hwnd ); UpdateWindow( p_vout->p_sys->hwnd );
#ifdef MODULE_NAME_IS_wingapi
GXOpenDisplay( p_vout->p_sys->hvideownd, GX_FULLSCREEN );
#endif
/* Update the object variable and trigger callback */ /* Update the object variable and trigger callback */
val.b_bool = p_vout->b_fullscreen; val.b_bool = p_vout->b_fullscreen;
var_Set( p_vout, "fullscreen", val ); var_Set( p_vout, "fullscreen", val );
...@@ -612,30 +588,12 @@ static void Render( vout_thread_t *p_vout, picture_t *p_pic ) ...@@ -612,30 +588,12 @@ static void Render( vout_thread_t *p_vout, picture_t *p_pic )
static void DisplayGDI( vout_thread_t *p_vout, picture_t *p_pic ) static void DisplayGDI( vout_thread_t *p_vout, picture_t *p_pic )
{ {
vout_sys_t *p_sys = p_vout->p_sys; vout_sys_t *p_sys = p_vout->p_sys;
int i_src_bytes, i_dest_bytes;
RECT rect_dst = rect_dest_clipped; RECT rect_dst = rect_dest_clipped;
HDC hdc = GetDC( p_sys->hvideownd ); HDC hdc = GetDC( p_sys->hvideownd );
OffsetRect( &rect_dst, -rect_dest.left, -rect_dest.top ); OffsetRect( &rect_dst, -rect_dest.left, -rect_dest.top );
SelectObject( p_sys->off_dc, p_sys->off_bitmap ); SelectObject( p_sys->off_dc, p_sys->off_bitmap );
#if 1
/* Stupid GDI is upside-down */
i_src_bytes = p_pic->p->i_lines * p_pic->p->i_pitch;
i_dest_bytes = 0;
while( i_src_bytes )
{
i_src_bytes -= p_pic->p->i_pitch;
p_vout->p_vlc->pf_memcpy( p_sys->p_buffer + i_dest_bytes,
p_pic->p->p_pixels + i_src_bytes,
p_pic->p->i_visible_pitch );
i_dest_bytes += p_pic->p->i_pitch;
}
#endif
if( rect_dest_clipped.right - rect_dest_clipped.left != if( rect_dest_clipped.right - rect_dest_clipped.left !=
rect_src_clipped.right - rect_src_clipped.left || rect_src_clipped.right - rect_src_clipped.left ||
rect_dest_clipped.bottom - rect_dest_clipped.top != rect_dest_clipped.bottom - rect_dest_clipped.top !=
...@@ -658,7 +616,7 @@ static void DisplayGDI( vout_thread_t *p_vout, picture_t *p_pic ) ...@@ -658,7 +616,7 @@ static void DisplayGDI( vout_thread_t *p_vout, picture_t *p_pic )
} }
#else #else
static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic ) static int GAPILockSurface( vout_thread_t *p_vout, picture_t *p_pic )
{ {
vout_sys_t *p_sys = p_vout->p_sys; vout_sys_t *p_sys = p_vout->p_sys;
int i_x, i_y, i_width, i_height; int i_x, i_y, i_width, i_height;
...@@ -669,7 +627,7 @@ static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic ) ...@@ -669,7 +627,7 @@ static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic )
if( ( GetForegroundWindow() != GetParent(p_sys->hwnd) ) || if( ( GetForegroundWindow() != GetParent(p_sys->hwnd) ) ||
( p_sys->b_video_display == VLC_FALSE ) ) ( p_sys->b_video_display == VLC_FALSE ) )
{ {
return; //return VLC_EGENERIC;
} }
GetClientRect( p_sys->hwnd, &video_rect); GetClientRect( p_sys->hwnd, &video_rect);
...@@ -684,9 +642,19 @@ static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic ) ...@@ -684,9 +642,19 @@ static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic )
if( i_width != p_vout->output.i_width || if( i_width != p_vout->output.i_width ||
i_height != p_vout->output.i_height ) i_height != p_vout->output.i_height )
{ {
GXDisplayProperties gxdisplayprop = GXGetDisplayProperties();
p_sys->render_width = i_width; p_sys->render_width = i_width;
p_sys->render_height = i_height; p_sys->render_height = i_height;
p_vout->i_changes |= VOUT_SIZE_CHANGE; 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 else
{ {
...@@ -705,7 +673,7 @@ static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic ) ...@@ -705,7 +673,7 @@ static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic )
if( !IntersectRect( &dest_rect, &video_rect, &display_rect ) ) if( !IntersectRect( &dest_rect, &video_rect, &display_rect ) )
{ {
return; return VLC_EGENERIC;
} }
#if 0 #if 0
...@@ -722,7 +690,7 @@ static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic ) ...@@ -722,7 +690,7 @@ static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic )
if( !(p_dest = GXBeginDraw()) ) if( !(p_dest = GXBeginDraw()) )
{ {
msg_Err( p_vout, "GXBeginDraw error %d ", GetLastError() ); msg_Err( p_vout, "GXBeginDraw error %d ", GetLastError() );
return; return VLC_EGENERIC;
} }
p_src += (dest_rect.left - video_rect.left) * gxdisplayprop.cbxPitch + p_src += (dest_rect.left - video_rect.left) * gxdisplayprop.cbxPitch +
...@@ -732,16 +700,20 @@ static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic ) ...@@ -732,16 +700,20 @@ static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic )
i_width = dest_rect.right - dest_rect.left; i_width = dest_rect.right - dest_rect.left;
i_height = dest_rect.bottom - dest_rect.top; i_height = dest_rect.bottom - dest_rect.top;
while( i_height-- ) p_pic->p->p_pixels = p_dest;
{
p_vout->p_vlc->pf_memcpy( p_dest, p_src,
i_width * gxdisplayprop.cbxPitch );
p_src += p_pic->p->i_pitch;
p_dest += gxdisplayprop.cbyPitch;
}
} }
return VLC_SUCCESS;
}
static int GAPIUnlockSurface( vout_thread_t *p_vout, picture_t *p_pic )
{
GXEndDraw(); GXEndDraw();
return VLC_SUCCESS;
}
static void DisplayGAPI( vout_thread_t *p_vout, picture_t *p_pic )
{
} }
#endif #endif
...@@ -792,7 +764,7 @@ static void EventThread ( vlc_object_t *p_event ) ...@@ -792,7 +764,7 @@ static void EventThread ( vlc_object_t *p_event )
RegisterClass(&wc); RegisterClass(&wc);
/* Create output window */ /* Create output window */
p_vout->p_sys->hparent = p_vout->p_sys->hwnd = (HWND) p_vout->p_sys->hparent = (HWND)
vout_RequestWindow( p_vout, &p_vout->p_sys->i_window_x, vout_RequestWindow( p_vout, &p_vout->p_sys->i_window_x,
&p_vout->p_sys->i_window_y, &p_vout->p_sys->i_window_y,
(unsigned int *)&p_vout->p_sys->i_window_width, (unsigned int *)&p_vout->p_sys->i_window_width,
...@@ -859,8 +831,6 @@ static void EventThread ( vlc_object_t *p_event ) ...@@ -859,8 +831,6 @@ static void EventThread ( vlc_object_t *p_event )
NULL, GetModuleHandle(NULL), NULL, GetModuleHandle(NULL),
(LPVOID)p_vout ); /* send p_vout to WM_CREATE */ (LPVOID)p_vout ); /* send p_vout to WM_CREATE */
ShowWindow( p_vout->p_sys->hvideownd, SW_SHOW );
/* Initialize offscreen buffer */ /* Initialize offscreen buffer */
InitBuffers( p_vout ); InitBuffers( p_vout );
...@@ -913,14 +883,18 @@ static void EventThread ( vlc_object_t *p_event ) ...@@ -913,14 +883,18 @@ static void EventThread ( vlc_object_t *p_event )
msg_Dbg( p_vout, "CloseWindow" ); 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 ); DestroyWindow( p_vout->p_sys->hwnd );
if( p_vout->p_sys->hfswnd ) DestroyWindow( p_vout->p_sys->hfswnd ); if( p_vout->p_sys->hfswnd ) DestroyWindow( p_vout->p_sys->hfswnd );
if( p_vout->p_sys->hparent ) if( p_vout->p_sys->hparent )
vout_ReleaseWindow( p_vout, (void *)p_vout->p_sys->hparent ); vout_ReleaseWindow( p_vout, (void *)p_vout->p_sys->hparent );
DeleteDC( p_vout->p_sys->off_dc );
DeleteObject( p_vout->p_sys->off_bitmap );
} }
/***************************************************************************** /*****************************************************************************
...@@ -1043,8 +1017,8 @@ static void UpdateRects( vout_thread_t *p_vout, vlc_bool_t b_force ) ...@@ -1043,8 +1017,8 @@ static void UpdateRects( vout_thread_t *p_vout, vlc_bool_t b_force )
/***************************************************************************** /*****************************************************************************
* Message handler for the main window * Message handler for the main window
*****************************************************************************/ *****************************************************************************/
static long FAR PASCAL WndProc ( HWND hWnd, UINT message, static long FAR PASCAL WndProc( HWND hWnd, UINT message,
WPARAM wParam, LPARAM lParam ) WPARAM wParam, LPARAM lParam )
{ {
vout_thread_t *p_vout; vout_thread_t *p_vout;
...@@ -1077,13 +1051,15 @@ static long FAR PASCAL WndProc ( HWND hWnd, UINT message, ...@@ -1077,13 +1051,15 @@ static long FAR PASCAL WndProc ( HWND hWnd, UINT message,
return DefWindowProc(hWnd, message, wParam, lParam); return DefWindowProc(hWnd, message, wParam, lParam);
} }
if( hWnd != p_vout->p_sys->hwnd ) if( hWnd != p_vout->p_sys->hwnd &&
hWnd != p_vout->p_sys->hvideownd )
return DefWindowProc(hWnd, message, wParam, lParam); return DefWindowProc(hWnd, message, wParam, lParam);
switch( message ) switch( message )
{ {
case WM_WINDOWPOSCHANGED: case WM_WINDOWPOSCHANGED:
UpdateRects( p_vout, VLC_TRUE ); if( hWnd == p_vout->p_sys->hwnd )
UpdateRects( p_vout, VLC_TRUE );
break; break;
case WM_LBUTTONDOWN: case WM_LBUTTONDOWN:
p_vout->p_sys->i_changes |= VOUT_FULLSCREEN_CHANGE; p_vout->p_sys->i_changes |= VOUT_FULLSCREEN_CHANGE;
...@@ -1093,9 +1069,6 @@ static long FAR PASCAL WndProc ( HWND hWnd, UINT message, ...@@ -1093,9 +1069,6 @@ static long FAR PASCAL WndProc ( HWND hWnd, UINT message,
case WM_LBUTTONUP: case WM_LBUTTONUP:
break; break;
case WM_CREATE:
break;
case WM_INITMENUPOPUP: case WM_INITMENUPOPUP:
p_vout->p_sys->b_video_display = VLC_FALSE; p_vout->p_sys->b_video_display = VLC_FALSE;
break; break;
...@@ -1127,16 +1100,12 @@ static void InitBuffers( vout_thread_t *p_vout ) ...@@ -1127,16 +1100,12 @@ static void InitBuffers( vout_thread_t *p_vout )
BITMAPINFOHEADER *p_header = &p_vout->p_sys->bitmapinfo.bmiHeader; BITMAPINFOHEADER *p_header = &p_vout->p_sys->bitmapinfo.bmiHeader;
BITMAPINFO *p_info = &p_vout->p_sys->bitmapinfo; BITMAPINFO *p_info = &p_vout->p_sys->bitmapinfo;
int i_pixels = p_vout->render.i_height * p_vout->render.i_width; int i_pixels = p_vout->render.i_height * p_vout->render.i_width;
HDC window_dc; HDC window_dc = GetDC( p_vout->p_sys->hvideownd );
window_dc = GetDC( p_vout->p_sys->hvideownd );
/* Get screen properties */ /* Get screen properties */
#ifdef MODULE_NAME_IS_wingapi #ifdef MODULE_NAME_IS_wingapi
{
GXDisplayProperties gx_displayprop = GXGetDisplayProperties(); GXDisplayProperties gx_displayprop = GXGetDisplayProperties();
p_vout->p_sys->i_depth = gx_displayprop.cBPP; p_vout->p_sys->i_depth = gx_displayprop.cBPP;
}
#else #else
p_vout->p_sys->i_depth = GetDeviceCaps( window_dc, PLANES ) * p_vout->p_sys->i_depth = GetDeviceCaps( window_dc, PLANES ) *
GetDeviceCaps( window_dc, BITSPIXEL ); GetDeviceCaps( window_dc, BITSPIXEL );
...@@ -1177,7 +1146,6 @@ static void InitBuffers( vout_thread_t *p_vout ) ...@@ -1177,7 +1146,6 @@ static void InitBuffers( vout_thread_t *p_vout )
0, 0, CW_USEDEFAULT, CW_USEDEFAULT, SWP_SHOWWINDOW ); 0, 0, CW_USEDEFAULT, CW_USEDEFAULT, SWP_SHOWWINDOW );
} }
GXCloseDisplay();
} }
GXOpenDisplay( p_vout->p_sys->hvideownd, GX_FULLSCREEN ); GXOpenDisplay( p_vout->p_sys->hvideownd, GX_FULLSCREEN );
...@@ -1231,15 +1199,18 @@ static void InitBuffers( vout_thread_t *p_vout ) ...@@ -1231,15 +1199,18 @@ static void InitBuffers( vout_thread_t *p_vout )
break; break;
} }
p_header->biWidth = p_vout->render.i_width; p_header->biWidth = p_vout->render.i_width;
p_header->biHeight = p_vout->render.i_height; p_header->biHeight = -p_vout->render.i_height;
p_header->biClrImportant = 0; p_header->biClrImportant = 0;
p_header->biClrUsed = 0; p_header->biClrUsed = 0;
p_header->biXPelsPerMeter = 0; p_header->biXPelsPerMeter = 0;
p_header->biYPelsPerMeter = 0; p_header->biYPelsPerMeter = 0;
p_vout->p_sys->i_pic_pixel_pitch = p_header->biBitCount / 8;
p_vout->p_sys->i_pic_pitch = p_header->biBitCount * p_header->biWidth / 8;
p_vout->p_sys->off_bitmap = p_vout->p_sys->off_bitmap =
CreateDIBSection( window_dc, (BITMAPINFO *)p_header, DIB_RGB_COLORS, CreateDIBSection( window_dc, (BITMAPINFO *)p_header, DIB_RGB_COLORS,
(void**)&p_vout->p_sys->p_buffer, NULL, 0 ); (void**)&p_vout->p_sys->p_pic_buffer, NULL, 0 );
p_vout->p_sys->off_dc = CreateCompatibleDC( window_dc ); p_vout->p_sys->off_dc = CreateCompatibleDC( window_dc );
......
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