/*****************************************************************************
* bluescreen.c : Bluescreen (weather channel like) video filter for vlc
*****************************************************************************
- * Copyright (C) 2005-2007 the VideoLAN team
+ * Copyright (C) 2005-2007 VLC authors and VideoLAN
* $Id$
*
* Authors: Antoine Cellerier <dionoea at videolan tod 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
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser 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.
+ * You should have received a copy of the GNU Lesser 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.
*****************************************************************************/
/*****************************************************************************
# include "config.h"
#endif
-#include <vlc/vlc.h>
+#include <vlc_common.h>
#include <vlc_plugin.h>
-#include <vlc_vout.h>
-
-#include "vlc_filter.h"
+#include <vlc_filter.h>
#define BLUESCREEN_HELP N_( \
"This effect, also known as \"greenscreen\" or \"chroma key\" blends " \
"the \"blue parts\" of the foreground image of the mosaic on the " \
- "background (like weather forcasts). You can choose the \"key\" " \
- "color for blending (blyyue by default)." )
+ "background (like weather forecasts). You can choose the \"key\" " \
+ "color for blending (blue by default)." )
#define BLUESCREENU_TEXT N_("Bluescreen U value")
#define BLUESCREENU_LONGTEXT N_( \
/*****************************************************************************
* Module descriptor
*****************************************************************************/
-vlc_module_begin();
- set_description( N_("Bluescreen video filter") );
- set_shortname( N_("Bluescreen" ));
- set_help( BLUESCREEN_HELP );
- set_category( CAT_VIDEO );
- set_subcategory( SUBCAT_VIDEO_VFILTER );
- set_capability( "video filter2", 0 );
- add_shortcut( "bluescreen" );
- set_callbacks( Create, Destroy );
-
- add_integer_with_range( CFG_PREFIX "u", 120, 0, 255, NULL,
- BLUESCREENU_TEXT, BLUESCREENU_LONGTEXT, false );
- add_integer_with_range( CFG_PREFIX "v", 90, 0, 255, NULL,
- BLUESCREENV_TEXT, BLUESCREENV_LONGTEXT, false );
- add_integer_with_range( CFG_PREFIX "ut", 17, 0, 255, NULL,
+vlc_module_begin ()
+ set_description( N_("Bluescreen video filter") )
+ set_shortname( N_("Bluescreen" ))
+ set_help( BLUESCREEN_HELP )
+ set_category( CAT_VIDEO )
+ set_subcategory( SUBCAT_VIDEO_VFILTER )
+ set_capability( "video filter2", 0 )
+ add_shortcut( "bluescreen" )
+ set_callbacks( Create, Destroy )
+
+ add_integer_with_range( CFG_PREFIX "u", 120, 0, 255,
+ BLUESCREENU_TEXT, BLUESCREENU_LONGTEXT, false )
+ add_integer_with_range( CFG_PREFIX "v", 90, 0, 255,
+ BLUESCREENV_TEXT, BLUESCREENV_LONGTEXT, false )
+ add_integer_with_range( CFG_PREFIX "ut", 17, 0, 255,
BLUESCREENUTOL_TEXT, BLUESCREENUTOL_LONGTEXT,
- false );
- add_integer_with_range( CFG_PREFIX "vt", 17, 0, 255, NULL,
+ false )
+ add_integer_with_range( CFG_PREFIX "vt", 17, 0, 255,
BLUESCREENVTOL_TEXT, BLUESCREENVTOL_LONGTEXT,
- false );
-vlc_module_end();
+ false )
+vlc_module_end ()
static const char *const ppsz_filter_options[] = {
"u", "v", "ut", "vt", NULL
struct filter_sys_t
{
+ vlc_mutex_t lock;
int i_u, i_v, i_ut, i_vt;
uint8_t *p_at;
};
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys;
- if( p_filter->fmt_in.video.i_chroma != VLC_FOURCC('Y','U','V','A') )
+ if( p_filter->fmt_in.video.i_chroma != VLC_CODEC_YUVA )
{
msg_Err( p_filter,
- "Unsupported input chroma \"%4s\". "
+ "Unsupported input chroma \"%4.4s\". "
"Bluescreen can only use \"YUVA\".",
(char*)&p_filter->fmt_in.video.i_chroma );
return VLC_EGENERIC;
/* Allocate structure */
p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
if( p_filter->p_sys == NULL )
- {
- msg_Err( p_filter, "out of memory" );
return VLC_ENOMEM;
- }
p_sys = p_filter->p_sys;
config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
p_filter->p_cfg );
+ int val;
+ vlc_mutex_init( &p_sys->lock );
#define GET_VAR( name, min, max ) \
- p_sys->i_##name = __MIN( max, __MAX( min, \
- var_CreateGetIntegerCommand( p_filter, CFG_PREFIX #name ) ) ); \
+ val = var_CreateGetIntegerCommand( p_filter, CFG_PREFIX #name ); \
+ p_sys->i_##name = VLC_CLIP( val, min, max ); \
var_AddCallback( p_filter, CFG_PREFIX #name, BluescreenCallback, p_sys );
GET_VAR( u, 0x00, 0xff );
GET_VAR( ut, 0x00, 0xff );
GET_VAR( vt, 0x00, 0xff );
p_sys->p_at = NULL;
+#undef GET_VAR
p_filter->pf_video_filter = Filter;
static void Destroy( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t *)p_this;
+ filter_sys_t *p_sys = p_filter->p_sys;
- free( p_filter->p_sys->p_at );
- free( p_filter->p_sys );
+ var_DelCallback( p_filter, CFG_PREFIX "u", BluescreenCallback, p_sys );
+ var_DelCallback( p_filter, CFG_PREFIX "v", BluescreenCallback, p_sys );
+ var_DelCallback( p_filter, CFG_PREFIX "ut", BluescreenCallback, p_sys );
+ var_DelCallback( p_filter, CFG_PREFIX "vt", BluescreenCallback, p_sys );
+
+ free( p_sys->p_at );
+ vlc_mutex_destroy( &p_sys->lock );
+ free( p_sys );
}
static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
uint8_t *p_v = p_pic->p[ V_PLANE ].p_pixels;
uint8_t umin, umax, vmin, vmax;
- if( p_pic->format.i_chroma != VLC_FOURCC('Y','U','V','A') )
+ if( p_pic->format.i_chroma != VLC_CODEC_YUVA )
{
msg_Err( p_filter,
- "Unsupported input chroma \"%4s\". "
+ "Unsupported input chroma \"%4.4s\". "
"Bluescreen can only use \"YUVA\".",
(char*)&p_pic->format.i_chroma );
return NULL;
}
- p_sys->p_at = realloc( p_sys->p_at, i_lines * i_pitch * sizeof( uint8_t ) );
+ p_sys->p_at = xrealloc( p_sys->p_at,
+ i_lines * i_pitch * sizeof( uint8_t ) );
p_at = p_sys->p_at;
+ vlc_mutex_lock( &p_sys->lock );
umin = p_sys->i_u - p_sys->i_ut >= 0x00 ? p_sys->i_u - p_sys->i_ut : 0x00;
umax = p_sys->i_u + p_sys->i_ut <= 0xff ? p_sys->i_u + p_sys->i_ut : 0xff;
vmin = p_sys->i_v - p_sys->i_vt >= 0x00 ? p_sys->i_v - p_sys->i_vt : 0x00;
vmax = p_sys->i_v + p_sys->i_vt <= 0xff ? p_sys->i_v + p_sys->i_vt : 0xff;
+ vlc_mutex_unlock( &p_sys->lock );
for( i = 0; i < i_lines*i_pitch; i++ )
{
}
}
/* Gaussian convolution to make it look cleaner */
- vlc_memset( p_a, 0, 2 * i_pitch );
+ memset( p_a, 0, 2 * i_pitch );
for( i = 2; i < i_lines - 2; i++ )
{
p_a[i*i_pitch] = 0x00;
VLC_UNUSED(p_this); VLC_UNUSED(oldval);
filter_sys_t *p_sys = (filter_sys_t *) p_data;
+ vlc_mutex_lock( &p_sys->lock );
#define VAR_IS( a ) !strcmp( psz_var, CFG_PREFIX a )
if( VAR_IS( "u" ) )
- {
- p_sys->i_u = __MAX( 0, __MIN( 255, newval.i_int ) );
- }
+ p_sys->i_u = VLC_CLIP( newval.i_int, 0, 255 );
else if( VAR_IS( "v" ) )
- {
- p_sys->i_v = __MAX( 0, __MIN( 255, newval.i_int ) );
- }
+ p_sys->i_v = VLC_CLIP( newval.i_int, 0, 255 );
else if( VAR_IS( "ut" ) )
- {
- p_sys->i_ut = __MAX( 0, __MIN( 255, newval.i_int ) );
- }
+ p_sys->i_ut = VLC_CLIP( newval.i_int, 0, 255 );
else if( VAR_IS( "vt" ) )
- {
- p_sys->i_vt = __MAX( 0, __MIN( 255, newval.i_int ) );
- }
+ p_sys->i_vt = VLC_CLIP( newval.i_int, 0, 255 );
+ vlc_mutex_unlock( &p_sys->lock );
return VLC_SUCCESS;
}
projects / vlc / blobdiff