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/*****************************************************************************
* beos.cpp: Screen capture module.
*****************************************************************************
* Copyright (C) 2004 the VideoLAN team
* $Id: 5f70cdc66b2637c242978e99c9445dedc43ae6fe $
*
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.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;
int i_chroma;
int i_bits_per_pixel;
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() );
switch( p_data->p_screen->ColorSpace() )
{
case B_RGB32:
i_chroma = VLC_CODEC_RGB32;
i_bits_per_pixel = 32;
break;
case B_RGB16:
i_chroma = VLC_CODEC_RGB16;
i_bits_per_pixel = 16;
break;
default:
msg_Err( p_demux, "screen depth %i unsupported",
p_data->p_screen->ColorSpace() );
delete p_data->p_bitmap;
delete p_data->p_screen;
free( p_data );
return VLC_EGENERIC;
}
es_format_Init( &p_sys->fmt, VIDEO_ES, i_chroma );
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 = i_bits_per_pixel;
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, p_sys->fmt.video.i_width *
p_sys->fmt.video.i_height *
p_sys->fmt.video.i_bits_per_pixel / 8 );
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 * p_sys->fmt.video.i_width *
p_sys->fmt.video.i_bits_per_pixel / 8,
(uint8_t *) p_data->p_bitmap->Bits() +
i * p_data->p_bitmap->BytesPerRow(),
p_sys->fmt.video.i_width *
p_sys->fmt.video.i_bits_per_pixel / 8 );
}
return p_block;
}
} /* extern "C" */
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