AC_ARG_ENABLE(screen,
[ --enable-screen Screen capture support (default enabled)])
if test "${enable_screen}" != "no" && test "${SYS}" != "darwin"; then
- if test "${SYS}" != "mingw32"; then
+ if test "${SYS}" = "mingw32"; then
+ VLC_ADD_PLUGINS([screen])
+ VLC_ADD_LDFLAGS([screen],[-lgdi32])
+ elif test "${SYS}" = "beos"; then
+ VLC_ADD_PLUGINS([screen])
+ VLC_ADD_CXXFLAGS([screen],[])
+ VLC_ADD_LDFLAGS([screen],[-lbe])
+ else
CPPFLAGS="${CPPFLAGS_save} -I${x_includes}"
AC_CHECK_HEADERS(X11/Xlib.h, [
VLC_ADD_PLUGINS([screen])
VLC_ADD_CPPFLAGS([screen],[-I${x_includes}])
])
CPPFLAGS="${CPPFLAGS_save}"
- else
- VLC_ADD_PLUGINS([screen])
- VLC_ADD_LDFLAGS([screen],[-lgdi32])
fi
fi
modules/access/cdda/Makefile
modules/access/vcd/Makefile
modules/access/vcdx/Makefile
+ modules/access/screen/Makefile
modules/access_output/Makefile
modules/audio_filter/Makefile
modules/audio_filter/channel_mixer/Makefile
SOURCES_dvdnav = dvdnav.c
SOURCES_dvdread = dvdread.c
SOURCES_slp = slp.c
-SOURCES_screen = screen.c
SOURCES_cdda = \
cdda.c \
vcd/cdrom.c \
+++ /dev/null
-/*****************************************************************************
- * screen.c: Screen capture module.
- *****************************************************************************
- * Copyright (C) 2004 VideoLAN
- * $Id$
- *
- * Authors: Gildas Bazin <gbazin@videolan.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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
-
-/*****************************************************************************
- * Preamble
- *****************************************************************************/
-#include <stdlib.h>
-
-#include <vlc/vlc.h>
-#include <vlc/input.h>
-
-#ifndef WIN32
-# include <X11/Xlib.h>
-# include <X11/Xutil.h>
-#endif
-
-/*****************************************************************************
- * Module descriptor
- *****************************************************************************/
-#define CACHING_TEXT N_("Caching value in ms")
-#define CACHING_LONGTEXT N_( \
- "Allows you to modify the default caching value for screen capture " \
- "streams. This value should be set in millisecond units." )
-#define FPS_TEXT N_("Frame rate")
-#define FPS_LONGTEXT N_( \
- "Allows you to set the desired frame rate for the capture." )
-
-static int Open ( vlc_object_t * );
-static void Close( vlc_object_t * );
-
-vlc_module_begin();
- set_description( _("Screen Input") );
-
- add_integer( "screen-caching", DEFAULT_PTS_DELAY / 1000, NULL,
- CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
- add_float( "screen-fps", 5, NULL, FPS_TEXT, FPS_LONGTEXT, VLC_TRUE );
-
- set_capability( "access_demux", 0 );
- add_shortcut( "screen" );
- set_callbacks( Open, Close );
-vlc_module_end();
-
-/*****************************************************************************
- * Local prototypes
- *****************************************************************************/
-struct demux_sys_t
-{
- es_format_t fmt;
- es_out_id_t *es;
-
- float f_fps;
- mtime_t i_next_date;
- int i_incr;
-
-#ifndef WIN32
- Display *p_display;
-
-#else
- HDC hdc_src;
- HDC hdc_dst;
- HBITMAP hbmp;
- HGDIOBJ hgdi_backup;
- uint8_t *p_buffer;
-#endif
-};
-
-static int Control( demux_t *, int, va_list );
-static int Demux ( demux_t * );
-
-static int InitCapture ( demux_t * );
-static int CloseCapture( demux_t * );
-static block_t *Capture( demux_t * );
-
-/*****************************************************************************
- * DemuxOpen:
- *****************************************************************************/
-static int Open( vlc_object_t *p_this )
-{
- demux_t *p_demux = (demux_t*)p_this;
- demux_sys_t *p_sys;
- vlc_value_t val;
-
- /* Fill p_demux field */
- p_demux->pf_demux = Demux;
- p_demux->pf_control = Control;
- p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
- memset( p_sys, 0, sizeof( demux_sys_t ) );
-
- if( InitCapture( p_demux ) != VLC_SUCCESS )
- {
- free( p_sys );
- return VLC_EGENERIC;
- }
-
- msg_Dbg( p_demux, "screen width: %i, height: %i, depth: %i",
- p_sys->fmt.video.i_width, p_sys->fmt.video.i_height,
- p_sys->fmt.video.i_bits_per_pixel );
-
- p_sys->es = es_out_Add( p_demux->out, &p_sys->fmt );
-
- /* Update default_pts to a suitable value for screen access */
- var_Create( p_demux, "screen-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
-
- var_Create( p_demux, "screen-fps", VLC_VAR_FLOAT|VLC_VAR_DOINHERIT );
- var_Get( p_demux, "screen-fps", &val );
- p_sys->f_fps = val.f_float;
- p_sys->i_incr = 1000000 / val.f_float;
- p_sys->i_next_date = 0;
-
- return VLC_SUCCESS;
-}
-
-/*****************************************************************************
- * Close:
- *****************************************************************************/
-static void Close( vlc_object_t *p_this )
-{
- demux_t *p_demux = (demux_t*)p_this;
- demux_sys_t *p_sys = p_demux->p_sys;
-
- CloseCapture( p_demux );
- free( p_sys );
-}
-
-/*****************************************************************************
- * Demux:
- *****************************************************************************/
-static int Demux( demux_t *p_demux )
-{
- demux_sys_t *p_sys = p_demux->p_sys;
- block_t *p_block;
-
- if( !p_sys->i_next_date ) p_sys->i_next_date = mdate();
-
- /* Frame skipping if necessary */
- while( mdate() >= p_sys->i_next_date + p_sys->i_incr )
- p_sys->i_next_date += p_sys->i_incr;
-
- mwait( p_sys->i_next_date );
- p_block = Capture( p_demux );
- if( !p_block ) return 0;
-
- p_block->i_dts = p_block->i_pts = p_sys->i_next_date;
-
- es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_block->i_pts );
- es_out_Send( p_demux->out, p_sys->es, p_block );
-
- p_sys->i_next_date += p_sys->i_incr;
-
- return 1;
-}
-
-/*****************************************************************************
- * Platform dependant capture functions
- *****************************************************************************/
-#ifdef WIN32
-static int InitCapture( demux_t *p_demux )
-{
- demux_sys_t *p_sys = p_demux->p_sys;
- int i_chroma, i_bits_per_pixel;
-
- BITMAPINFO bmi;
-
- /* Get the device context for the whole screen */
- p_sys->hdc_src = CreateDC( "DISPLAY", NULL, NULL, NULL );
- if( !p_sys->hdc_src )
- {
- msg_Err( p_demux, "cannot get device context" );
- return VLC_EGENERIC;
- }
-
- p_sys->hdc_dst = CreateCompatibleDC( p_sys->hdc_src );
- if( !p_sys->hdc_dst )
- {
- msg_Err( p_demux, "cannot get compat device context" );
- ReleaseDC( 0, p_sys->hdc_src );
- return VLC_EGENERIC;
- }
-
- i_bits_per_pixel = GetDeviceCaps( p_sys->hdc_src, BITSPIXEL );
- switch( i_bits_per_pixel )
- {
- case 8: /* FIXME: set the palette */
- i_chroma = VLC_FOURCC('R','G','B','2'); break;
- case 15:
- i_chroma = VLC_FOURCC('R','V','1','5'); break;
- case 16:
- i_chroma = VLC_FOURCC('R','V','1','6'); break;
- case 24:
- i_chroma = VLC_FOURCC('R','V','2','4'); break;
- case 32:
- i_chroma = VLC_FOURCC('R','V','3','2'); break;
- default:
- msg_Err( p_demux, "unknown screen depth %i",
- p_sys->fmt.video.i_bits_per_pixel );
- ReleaseDC( 0, p_sys->hdc_src );
- ReleaseDC( 0, p_sys->hdc_dst );
- return VLC_EGENERIC;
- }
-
-#if 1 /* For now we force RV24 because of chroma inversion in the other cases*/
- i_chroma = VLC_FOURCC('R','V','2','4');
- i_bits_per_pixel = 24;
-#endif
-
- es_format_Init( &p_sys->fmt, VIDEO_ES, i_chroma );
- p_sys->fmt.video.i_width = GetDeviceCaps( p_sys->hdc_src, HORZRES );
- p_sys->fmt.video.i_height = GetDeviceCaps( p_sys->hdc_src, VERTRES );
- p_sys->fmt.video.i_bits_per_pixel = i_bits_per_pixel;
-
- /* Create the bitmap info header */
- bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
- bmi.bmiHeader.biWidth = p_sys->fmt.video.i_width;
- bmi.bmiHeader.biHeight = - p_sys->fmt.video.i_height;
- bmi.bmiHeader.biPlanes = 1;
- bmi.bmiHeader.biBitCount = p_sys->fmt.video.i_bits_per_pixel;
- bmi.bmiHeader.biCompression = BI_RGB;
- bmi.bmiHeader.biSizeImage = 0;
- bmi.bmiHeader.biXPelsPerMeter =
- bmi.bmiHeader.biYPelsPerMeter = 0;
- bmi.bmiHeader.biClrUsed = 0;
- bmi.bmiHeader.biClrImportant = 0;
-
- /* Create the bitmap storage space */
- p_sys->hbmp = CreateDIBSection( p_sys->hdc_dst, (BITMAPINFO *)&bmi,
- DIB_RGB_COLORS, (void **)&p_sys->p_buffer, NULL, 0 );
- if( !p_sys->hbmp || !p_sys->p_buffer )
- {
- msg_Err( p_demux, "cannot create bitmap" );
- if( p_sys->hbmp ) DeleteObject( p_sys->hbmp );
- ReleaseDC( 0, p_sys->hdc_src );
- DeleteDC( p_sys->hdc_dst );
- return VLC_EGENERIC;
- }
-
- /* Select the bitmap into the compatible DC */
- p_sys->hgdi_backup = SelectObject( p_sys->hdc_dst, p_sys->hbmp );
- if( !p_sys->hgdi_backup )
- {
- msg_Err( p_demux, "cannot select bitmap" );
- }
-
- return VLC_SUCCESS;
-}
-#else
-
-static int InitCapture( demux_t *p_demux )
-{
- demux_sys_t *p_sys = p_demux->p_sys;
- XWindowAttributes win_info;
- int i_chroma;
-
- /* Open the display */
- p_sys->p_display = XOpenDisplay( NULL );
- if( !p_sys->p_display )
- {
- msg_Err( p_demux, "cannot open display" );
- return VLC_EGENERIC;
- }
-
- /* Get the parameters of the root window */
- if( !XGetWindowAttributes( p_sys->p_display,
- DefaultRootWindow( p_sys->p_display ),
- &win_info ) )
- {
- msg_Err( p_demux, "can't get root window attributes" );
- XCloseDisplay( p_sys->p_display );
- return VLC_EGENERIC;
- }
-
- switch( win_info.depth )
- {
- case 8: /* FIXME: set the palette */
- i_chroma = VLC_FOURCC('R','G','B','2'); break;
- case 15:
- i_chroma = VLC_FOURCC('R','V','1','5'); break;
- case 16:
- i_chroma = VLC_FOURCC('R','V','1','6'); break;
- case 24:
- i_chroma = VLC_FOURCC('R','V','2','4'); break;
- case 32:
- i_chroma = VLC_FOURCC('R','V','3','2'); break;
- default:
- msg_Err( p_demux, "unknown screen depth %i", win_info.depth );
- XCloseDisplay( p_sys->p_display );
- return VLC_EGENERIC;
- }
-
- es_format_Init( &p_sys->fmt, VIDEO_ES, i_chroma );
- p_sys->fmt.video.i_width = win_info.width;
- p_sys->fmt.video.i_height = win_info.height;
- p_sys->fmt.video.i_bits_per_pixel = win_info.depth;
-
-#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;
-}
-#endif
-
-#ifdef WIN32
-static int CloseCapture( demux_t *p_demux )
-{
- demux_sys_t *p_sys = p_demux->p_sys;
-
- SelectObject( p_sys->hdc_dst, p_sys->hgdi_backup );
- DeleteObject( p_sys->hbmp );
- DeleteDC( p_sys->hdc_dst );
- ReleaseDC( 0, p_sys->hdc_src );
- return VLC_SUCCESS;
-}
-
-#else
-static int CloseCapture( demux_t *p_demux )
-{
- demux_sys_t *p_sys = p_demux->p_sys;
-
- XCloseDisplay( p_sys->p_display );
- return VLC_SUCCESS;
-}
-#endif
-
-#ifdef WIN32
-static block_t *Capture( demux_t *p_demux )
-{
- demux_sys_t *p_sys = p_demux->p_sys;
- block_t *p_block;
- int i_size;
-
- if( !BitBlt( p_sys->hdc_dst, 0, 0,
- p_sys->fmt.video.i_width, p_sys->fmt.video.i_height,
- p_sys->hdc_src, 0, 0, SRCCOPY ) )
- {
- msg_Err( p_demux, "error during BitBlt()" );
- return NULL;
- }
-
- i_size = (p_sys->fmt.video.i_bits_per_pixel + 7) / 8 *
- p_sys->fmt.video.i_width * p_sys->fmt.video.i_height;
-
- if( !( p_block = block_New( p_demux, i_size ) ) )
- {
- msg_Warn( p_demux, "cannot get block" );
- return 0;
- }
-
- memcpy( p_block->p_buffer, p_sys->p_buffer, i_size );
-
- return p_block;
-}
-
-#else
-static block_t *Capture( demux_t *p_demux )
-{
- demux_sys_t *p_sys = p_demux->p_sys;
- block_t *p_block;
- XImage *image;
- int i_size;
-
- image = XGetImage( p_sys->p_display, DefaultRootWindow( p_sys->p_display ),
- 0, 0, p_sys->fmt.video.i_width,
- p_sys->fmt.video.i_height, AllPlanes, ZPixmap );
-
- if( !image )
- {
- msg_Warn( p_demux, "cannot get image" );
- return 0;
- }
-
- 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 0;
- }
-
- memcpy( p_block->p_buffer, image->data, i_size );
-
- XDestroyImage( image );
-
- return p_block;
-}
-#endif
-
-/*****************************************************************************
- * Control:
- *****************************************************************************/
-static int Control( demux_t *p_demux, int i_query, va_list args )
-{
- vlc_bool_t *pb;
- int64_t *pi64;
-
- switch( i_query )
- {
- /* Special for access_demux */
- case DEMUX_CAN_PAUSE:
- case DEMUX_CAN_CONTROL_PACE:
- /* TODO */
- pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
- *pb = VLC_FALSE;
- return VLC_SUCCESS;
-
- case DEMUX_GET_PTS_DELAY:
- pi64 = (int64_t*)va_arg( args, int64_t * );
- *pi64 = (int64_t)var_GetInteger( p_demux, "screen-caching" ) *1000;
- return VLC_SUCCESS;
-
- /* TODO implement others */
- default:
- return VLC_EGENERIC;
- }
-}
--- /dev/null
+if HAVE_WIN32
+screen_extra = win32.c
+else
+if HAVE_BEOS
+screen_extra = beos.cpp
+else
+screen_extra = x11.c
+endif
+endif
+SOURCES_screen = \
+ screen.c \
+ screen.h \
+ $(screen_extra) \
+ $(NULL)
--- /dev/null
+/*****************************************************************************
+ * beos.cpp: Screen capture module.
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id: screen.c 8284 2004-07-26 10:27:55Z gbazin $
+ *
+ * Authors: Eric Petit <titer@m0k.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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+#include <stdlib.h>
+
+#include <vlc/vlc.h>
+#include <vlc/input.h>
+
+#include <Screen.h>
+#include <Bitmap.h>
+
+extern "C"
+{
+
+#include "screen.h"
+
+struct screen_data_t
+{
+ BScreen * p_screen;
+ BBitmap * p_bitmap;
+};
+
+int screen_InitCapture( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ screen_data_t *p_data;
+ BRect rect;
+
+ p_sys->p_data = p_data =
+ (screen_data_t *)malloc( sizeof( screen_data_t ) );
+
+ p_data->p_screen = new BScreen();
+ rect = p_data->p_screen->Frame();
+
+ p_data->p_bitmap = new BBitmap( rect, p_data->p_screen->ColorSpace() );
+
+ /* FIXME */
+ es_format_Init( &p_sys->fmt, VIDEO_ES, VLC_FOURCC('R','V','3','2') );
+ p_sys->fmt.video.i_width = (int)rect.Width();
+ p_sys->fmt.video.i_height = (int)rect.Height();
+ p_sys->fmt.video.i_bits_per_pixel = 32;
+
+ return VLC_SUCCESS;
+}
+
+int screen_CloseCapture( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ screen_data_t *p_data = p_sys->p_data;
+
+ delete p_data->p_bitmap;
+ delete p_data->p_screen;
+ free( p_data );
+
+ return VLC_SUCCESS;
+}
+
+block_t *screen_Capture( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ screen_data_t *p_data = p_sys->p_data;
+ block_t *p_block;
+
+ p_block = block_New( p_demux, 4 * p_sys->fmt.video.i_width *
+ p_sys->fmt.video.i_height );
+
+ p_data->p_screen->ReadBitmap( p_data->p_bitmap );
+
+ for( unsigned i = 0; i < p_sys->fmt.video.i_height; i++ )
+ {
+ memcpy( p_block->p_buffer + i * 4 * p_sys->fmt.video.i_width,
+ (uint8_t *) p_data->p_bitmap->Bits() +
+ i * p_data->p_bitmap->BytesPerRow(),
+ p_sys->fmt.video.i_width );
+ }
+ return p_block;
+}
+
+} /* extern "C" */
--- /dev/null
+/*****************************************************************************
+ * screen.c: Screen capture module.
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id$
+ *
+ * Authors: Gildas Bazin <gbazin@videolan.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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <stdlib.h>
+
+#include <vlc/vlc.h>
+#include <vlc/input.h>
+
+#include "screen.h"
+
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+#define CACHING_TEXT N_("Caching value in ms")
+#define CACHING_LONGTEXT N_( \
+ "Allows you to modify the default caching value for screen capture " \
+ "streams. This value should be set in millisecond units." )
+#define FPS_TEXT N_("Frame rate")
+#define FPS_LONGTEXT N_( \
+ "Allows you to set the desired frame rate for the capture." )
+
+static int Open ( vlc_object_t * );
+static void Close( vlc_object_t * );
+
+vlc_module_begin();
+ set_description( _("Screen Input") );
+
+ add_integer( "screen-caching", DEFAULT_PTS_DELAY / 1000, NULL,
+ CACHING_TEXT, CACHING_LONGTEXT, VLC_TRUE );
+ add_float( "screen-fps", 5, NULL, FPS_TEXT, FPS_LONGTEXT, VLC_TRUE );
+
+ set_capability( "access_demux", 0 );
+ add_shortcut( "screen" );
+ set_callbacks( Open, Close );
+vlc_module_end();
+
+/*****************************************************************************
+ * Local prototypes
+ *****************************************************************************/
+static int Control( demux_t *, int, va_list );
+static int Demux ( demux_t * );
+
+/*****************************************************************************
+ * DemuxOpen:
+ *****************************************************************************/
+static int Open( vlc_object_t *p_this )
+{
+ demux_t *p_demux = (demux_t*)p_this;
+ demux_sys_t *p_sys;
+ vlc_value_t val;
+
+ /* Fill p_demux field */
+ p_demux->pf_demux = Demux;
+ p_demux->pf_control = Control;
+ p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
+ memset( p_sys, 0, sizeof( demux_sys_t ) );
+
+ if( screen_InitCapture( p_demux ) != VLC_SUCCESS )
+ {
+ free( p_sys );
+ return VLC_EGENERIC;
+ }
+
+ msg_Dbg( p_demux, "screen width: %i, height: %i, depth: %i",
+ p_sys->fmt.video.i_width, p_sys->fmt.video.i_height,
+ p_sys->fmt.video.i_bits_per_pixel );
+
+ p_sys->es = es_out_Add( p_demux->out, &p_sys->fmt );
+
+ /* Update default_pts to a suitable value for screen access */
+ var_Create( p_demux, "screen-caching", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
+
+ var_Create( p_demux, "screen-fps", VLC_VAR_FLOAT|VLC_VAR_DOINHERIT );
+ var_Get( p_demux, "screen-fps", &val );
+ p_sys->f_fps = val.f_float;
+ p_sys->i_incr = 1000000 / val.f_float;
+ p_sys->i_next_date = 0;
+
+ return VLC_SUCCESS;
+}
+
+/*****************************************************************************
+ * Close:
+ *****************************************************************************/
+static void Close( vlc_object_t *p_this )
+{
+ demux_t *p_demux = (demux_t*)p_this;
+ demux_sys_t *p_sys = p_demux->p_sys;
+
+ screen_CloseCapture( p_demux );
+ free( p_sys );
+}
+
+/*****************************************************************************
+ * Demux:
+ *****************************************************************************/
+static int Demux( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ block_t *p_block;
+
+ if( !p_sys->i_next_date ) p_sys->i_next_date = mdate();
+
+ /* Frame skipping if necessary */
+ while( mdate() >= p_sys->i_next_date + p_sys->i_incr )
+ p_sys->i_next_date += p_sys->i_incr;
+
+ mwait( p_sys->i_next_date );
+ p_block = screen_Capture( p_demux );
+ if( !p_block ) return 0;
+
+ p_block->i_dts = p_block->i_pts = p_sys->i_next_date;
+
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_block->i_pts );
+ es_out_Send( p_demux->out, p_sys->es, p_block );
+
+ p_sys->i_next_date += p_sys->i_incr;
+
+ return 1;
+}
+
+/*****************************************************************************
+ * Control:
+ *****************************************************************************/
+static int Control( demux_t *p_demux, int i_query, va_list args )
+{
+ vlc_bool_t *pb;
+ int64_t *pi64;
+
+ switch( i_query )
+ {
+ /* Special for access_demux */
+ case DEMUX_CAN_PAUSE:
+ case DEMUX_CAN_CONTROL_PACE:
+ /* TODO */
+ pb = (vlc_bool_t*)va_arg( args, vlc_bool_t * );
+ *pb = VLC_FALSE;
+ return VLC_SUCCESS;
+
+ case DEMUX_GET_PTS_DELAY:
+ pi64 = (int64_t*)va_arg( args, int64_t * );
+ *pi64 = (int64_t)var_GetInteger( p_demux, "screen-caching" ) *1000;
+ return VLC_SUCCESS;
+
+ /* TODO implement others */
+ default:
+ return VLC_EGENERIC;
+ }
+}
--- /dev/null
+/*****************************************************************************
+ * screen.h: Screen capture module.
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id$
+ *
+ * Authors: Gildas Bazin <gbazin@videolan.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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+typedef struct screen_data_t screen_data_t;
+
+struct demux_sys_t
+{
+ es_format_t fmt;
+ es_out_id_t *es;
+
+ float f_fps;
+ mtime_t i_next_date;
+ int i_incr;
+
+ screen_data_t *p_data;
+};
+
+int screen_InitCapture ( demux_t * );
+int screen_CloseCapture( demux_t * );
+block_t *screen_Capture( demux_t * );
+
--- /dev/null
+/*****************************************************************************
+ * win32.c: Screen capture module.
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id$
+ *
+ * Authors: Gildas Bazin <gbazin@videolan.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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <stdlib.h>
+
+#include <vlc/vlc.h>
+#include <vlc/input.h>
+
+#include "screen.h"
+
+struct screen_data_t
+{
+ HDC hdc_src;
+ HDC hdc_dst;
+ HBITMAP hbmp;
+ HGDIOBJ hgdi_backup;
+ uint8_t *p_buffer;
+};
+
+int screen_InitCapture( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ screen_data_t *p_data;
+ int i_chroma, i_bits_per_pixel;
+
+ BITMAPINFO bmi;
+
+ p_sys->p_data = p_data = malloc( sizeof( screen_data_t ) );
+
+ /* Get the device context for the whole screen */
+ p_data->hdc_src = CreateDC( "DISPLAY", NULL, NULL, NULL );
+ if( !p_data->hdc_src )
+ {
+ msg_Err( p_demux, "cannot get device context" );
+ return VLC_EGENERIC;
+ }
+
+ p_data->hdc_dst = CreateCompatibleDC( p_data->hdc_src );
+ if( !p_data->hdc_dst )
+ {
+ msg_Err( p_demux, "cannot get compat device context" );
+ ReleaseDC( 0, p_data->hdc_src );
+ return VLC_EGENERIC;
+ }
+
+ i_bits_per_pixel = GetDeviceCaps( p_data->hdc_src, BITSPIXEL );
+ switch( i_bits_per_pixel )
+ {
+ case 8: /* FIXME: set the palette */
+ i_chroma = VLC_FOURCC('R','G','B','2'); break;
+ case 15:
+ i_chroma = VLC_FOURCC('R','V','1','5'); break;
+ case 16:
+ i_chroma = VLC_FOURCC('R','V','1','6'); break;
+ case 24:
+ i_chroma = VLC_FOURCC('R','V','2','4'); break;
+ case 32:
+ i_chroma = VLC_FOURCC('R','V','3','2'); break;
+ default:
+ msg_Err( p_demux, "unknown screen depth %i",
+ p_sys->fmt.video.i_bits_per_pixel );
+ ReleaseDC( 0, p_data->hdc_src );
+ ReleaseDC( 0, p_data->hdc_dst );
+ return VLC_EGENERIC;
+ }
+
+#if 1 /* For now we force RV24 because of chroma inversion in the other cases*/
+ i_chroma = VLC_FOURCC('R','V','2','4');
+ i_bits_per_pixel = 24;
+#endif
+
+ es_format_Init( &p_sys->fmt, VIDEO_ES, i_chroma );
+ p_sys->fmt.video.i_width = GetDeviceCaps( p_data->hdc_src, HORZRES );
+ p_sys->fmt.video.i_height = GetDeviceCaps( p_data->hdc_src, VERTRES );
+ p_sys->fmt.video.i_bits_per_pixel = i_bits_per_pixel;
+
+ /* Create the bitmap info header */
+ bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+ bmi.bmiHeader.biWidth = p_sys->fmt.video.i_width;
+ bmi.bmiHeader.biHeight = - p_sys->fmt.video.i_height;
+ bmi.bmiHeader.biPlanes = 1;
+ bmi.bmiHeader.biBitCount = p_sys->fmt.video.i_bits_per_pixel;
+ bmi.bmiHeader.biCompression = BI_RGB;
+ bmi.bmiHeader.biSizeImage = 0;
+ bmi.bmiHeader.biXPelsPerMeter =
+ bmi.bmiHeader.biYPelsPerMeter = 0;
+ bmi.bmiHeader.biClrUsed = 0;
+ bmi.bmiHeader.biClrImportant = 0;
+
+ /* Create the bitmap storage space */
+ p_data->hbmp = CreateDIBSection( p_data->hdc_dst, (BITMAPINFO *)&bmi,
+ DIB_RGB_COLORS, (void **)&p_data->p_buffer, NULL, 0 );
+ if( !p_data->hbmp || !p_data->p_buffer )
+ {
+ msg_Err( p_demux, "cannot create bitmap" );
+ if( p_data->hbmp ) DeleteObject( p_data->hbmp );
+ ReleaseDC( 0, p_data->hdc_src );
+ DeleteDC( p_data->hdc_dst );
+ return VLC_EGENERIC;
+ }
+
+ /* Select the bitmap into the compatible DC */
+ p_data->hgdi_backup = SelectObject( p_data->hdc_dst, p_data->hbmp );
+ if( !p_data->hgdi_backup )
+ {
+ msg_Err( p_demux, "cannot select bitmap" );
+ }
+
+ return VLC_SUCCESS;
+}
+
+int screen_CloseCapture( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ screen_data_t *p_data = p_sys->p_data;
+
+ SelectObject( p_data->hdc_dst, p_data->hgdi_backup );
+ DeleteObject( p_data->hbmp );
+ DeleteDC( p_data->hdc_dst );
+ ReleaseDC( 0, p_data->hdc_src );
+ free( p_data );
+
+ return VLC_SUCCESS;
+}
+
+block_t *screen_Capture( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ screen_data_t *p_data = p_sys->p_data;
+ block_t *p_block;
+ int i_size;
+
+ if( !BitBlt( p_data->hdc_dst, 0, 0,
+ p_sys->fmt.video.i_width, p_sys->fmt.video.i_height,
+ p_data->hdc_src, 0, 0, SRCCOPY ) )
+ {
+ msg_Err( p_demux, "error during BitBlt()" );
+ return NULL;
+ }
+
+ i_size = (p_sys->fmt.video.i_bits_per_pixel + 7) / 8 *
+ p_sys->fmt.video.i_width * p_sys->fmt.video.i_height;
+
+ if( !( p_block = block_New( p_demux, i_size ) ) )
+ {
+ msg_Warn( p_demux, "cannot get block" );
+ return 0;
+ }
+
+ memcpy( p_block->p_buffer, p_data->p_buffer, i_size );
+
+ return p_block;
+}
+
--- /dev/null
+/*****************************************************************************
+ * x11.c: Screen capture module.
+ *****************************************************************************
+ * Copyright (C) 2004 VideoLAN
+ * $Id$
+ *
+ * Authors: Gildas Bazin <gbazin@videolan.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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ *****************************************************************************/
+
+/*****************************************************************************
+ * Preamble
+ *****************************************************************************/
+#include <stdlib.h>
+
+#include <vlc/vlc.h>
+#include <vlc/input.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;
+ XWindowAttributes win_info;
+ int i_chroma;
+
+ /* Open the display */
+ p_display = XOpenDisplay( NULL );
+ 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_FOURCC('R','G','B','2'); break;
+ case 15:
+ i_chroma = VLC_FOURCC('R','V','1','5'); break;
+ case 16:
+ i_chroma = VLC_FOURCC('R','V','1','6'); break;
+ case 24:
+ i_chroma = VLC_FOURCC('R','V','2','4'); break;
+ case 32:
+ i_chroma = VLC_FOURCC('R','V','3','2'); 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_width = win_info.width;
+ p_sys->fmt.video.i_height = win_info.height;
+ p_sys->fmt.video.i_bits_per_pixel = win_info.depth;
+
+#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 );
+ 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;
+
+ image = XGetImage( p_display, DefaultRootWindow( p_display ),
+ 0, 0, p_sys->fmt.video.i_width,
+ p_sys->fmt.video.i_height, AllPlanes, ZPixmap );
+
+ if( !image )
+ {
+ msg_Warn( p_demux, "cannot get image" );
+ return 0;
+ }
+
+ 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 0;
+ }
+
+ memcpy( p_block->p_buffer, image->data, i_size );
+
+ XDestroyImage( image );
+
+ return p_block;
+}
+
projects / vlc / commitdiff