+++ /dev/null
-/*****************************************************************************
- * x11.c: Screen capture module.
- *****************************************************************************
- * Copyright (C) 2004-2008 the VideoLAN team
- * $Id$
- *
- * Authors: Gildas Bazin <gbazin@videolan.org>
- * Antoine Cellerier <dionoea at videolan dot org>
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
-
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <vlc_common.h>
-
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-
-#include "screen.h"
-
-int screen_InitCapture( demux_t *p_demux )
-{
- demux_sys_t *p_sys = p_demux->p_sys;
- Display *p_display;
- char *psz_display = var_CreateGetNonEmptyString( p_demux, "x11-display" );
- XWindowAttributes win_info;
- int i_chroma;
-
- /* Open the display */
- p_display = XOpenDisplay( psz_display );
- free( psz_display );
- if( !p_display )
- {
- msg_Err( p_demux, "cannot open display" );
- return VLC_EGENERIC;
- }
- p_sys->p_data = (void *)p_display;
-
- /* Get the parameters of the root window */
- if( !XGetWindowAttributes( p_display,
- DefaultRootWindow( p_display ),
- &win_info ) )
- {
- msg_Err( p_demux, "can't get root window attributes" );
- XCloseDisplay( p_display );
- return VLC_EGENERIC;
- }
-
- switch( win_info.depth )
- {
- case 8: /* FIXME: set the palette */
- i_chroma = VLC_CODEC_RGB8; break;
- case 15:
- i_chroma = VLC_CODEC_RGB15; break;
- case 16:
- i_chroma = VLC_CODEC_RGB16; break;
- case 24:
- case 32:
- i_chroma = VLC_CODEC_RGB32;
- win_info.depth = 32;
- break;
- default:
- msg_Err( p_demux, "unknown screen depth %i", win_info.depth );
- XCloseDisplay( p_display );
- return VLC_EGENERIC;
- }
-
- es_format_Init( &p_sys->fmt, VIDEO_ES, i_chroma );
- p_sys->fmt.video.i_visible_width =
- p_sys->fmt.video.i_width = win_info.width;
- p_sys->fmt.video.i_visible_height =
- p_sys->fmt.video.i_height = win_info.height;
- p_sys->fmt.video.i_bits_per_pixel = win_info.depth;
- p_sys->fmt.video.i_chroma = i_chroma;
-
-#if 0
- win_info.visual->red_mask;
- win_info.visual->green_mask;
- win_info.visual->blue_mask;
- win_info.visual->bits_per_rgb;
-#endif
-
- return VLC_SUCCESS;
-}
-
-int screen_CloseCapture( demux_t *p_demux )
-{
- demux_sys_t *p_sys = p_demux->p_sys;
- Display *p_display = (Display *)p_sys->p_data;
-
- XCloseDisplay( p_display );
- if( p_sys->p_blend )
- {
- module_unneed( p_sys->p_blend, p_sys->p_blend->p_module );
- vlc_object_detach( p_sys->p_blend );
- vlc_object_release( p_sys->p_blend );
- }
- return VLC_SUCCESS;
-}
-
-block_t *screen_Capture( demux_t *p_demux )
-{
- demux_sys_t *p_sys = p_demux->p_sys;
- Display *p_display = (Display *)p_sys->p_data;
- block_t *p_block;
- XImage *image;
- int i_size;
- int root_x = 0, root_y = 0;
-
- if( p_sys->b_follow_mouse || p_sys->p_mouse )
- {
- Window root = DefaultRootWindow( p_display ), child;
- int win_x, win_y;
- unsigned int mask;
- if( XQueryPointer( p_display, root,
- &root, &child, &root_x, &root_y, &win_x, &win_y,
- &mask ) )
- {
- if( p_sys->b_follow_mouse )
- FollowMouse( p_sys, root_x, root_y );
- }
- else
- msg_Dbg( p_demux, "XQueryPointer() failed" );
-
- }
-
- image = XGetImage( p_display, DefaultRootWindow( p_display ),
- p_sys->i_left, p_sys->i_top, p_sys->fmt.video.i_width,
- p_sys->fmt.video.i_height, AllPlanes, ZPixmap );
-
- if( !image )
- {
- msg_Warn( p_demux, "cannot get image" );
- return NULL;
- }
-
- i_size = image->bytes_per_line * image->height;
-
- if( !( p_block = block_New( p_demux, i_size ) ) )
- {
- msg_Warn( p_demux, "cannot get block" );
- XDestroyImage( image );
- return NULL;
- }
-
- vlc_memcpy( p_block->p_buffer, image->data, i_size );
-
- if( p_sys->p_mouse )
- RenderCursor( p_demux, root_x, root_y,
- p_block->p_buffer );
-
- XDestroyImage( image );
-
- return p_block;
-}
-
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