/*****************************************************************************
- * colorthres.c: Theshold color based on similarity to reference color
+ * colorthres.c: Threshold color based on similarity to reference color
*****************************************************************************
- * Copyright (C) 2000-2006 the VideoLAN team
+ * Copyright (C) 2000-2009 the VideoLAN team
* $Id$
*
* Authors: Sigmund Augdal <dnumgis@videolan.org>
#include <vlc_plugin.h>
#include <vlc_sout.h>
-#include "vlc_filter.h"
+#include <vlc_filter.h>
#include "filter_picture.h"
/*****************************************************************************
"grayscaled. This must be an hexadecimal (like HTML colors). The first two "\
"chars are for red, then green, then blue. #000000 = black, #FF0000 = red,"\
" #00FF00 = green, #FFFF00 = yellow (red + green), #FFFFFF = white" )
+#define COLOR_HELP N_("Select one color in the video")
static const int pi_color_values[] = {
0x00FF0000, 0x00FF00FF, 0x00FFFF00, 0x0000FF00, 0x000000FF, 0x0000FFFF };
vlc_module_begin ()
set_description( N_("Color threshold filter") )
set_shortname( N_("Color threshold" ))
+ set_help(COLOR_HELP)
set_category( CAT_VIDEO )
set_subcategory( SUBCAT_VIDEO_VFILTER )
set_capability( "video filter2", 0 )
"color", "saturationthes", "similaritythres", NULL
};
+/*****************************************************************************
+ * callback prototypes
+ *****************************************************************************/
+static int FilterCallback( vlc_object_t *, char const *,
+ vlc_value_t, vlc_value_t, void * );
+
+
/*****************************************************************************
* filter_sys_t: adjust filter method descriptor
*****************************************************************************/
struct filter_sys_t
{
+ int i_simthres;
+ int i_satthres;
+ int i_color;
+ vlc_mutex_t lock;
};
/*****************************************************************************
static int Create( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t *)p_this;
+ filter_sys_t *p_sys;
switch( p_filter->fmt_in.video.i_chroma )
{
break;
default:
- msg_Err( p_filter, "Unsupported input chroma (%4s)",
+ msg_Err( p_filter, "Unsupported input chroma (%4.4s)",
(char*)&(p_filter->fmt_in.video.i_chroma) );
return VLC_EGENERIC;
}
return VLC_EGENERIC;
}
- config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
- p_filter->p_cfg );
- var_Create( p_filter, CFG_PREFIX "color", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
- var_Create( p_filter, CFG_PREFIX "similaritythres", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
- var_Create( p_filter, CFG_PREFIX "saturationthres", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT | VLC_VAR_ISCOMMAND );
-
/* Allocate structure */
- p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
+ p_sys = p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
if( p_filter->p_sys == NULL )
return VLC_ENOMEM;
+ config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
+ p_filter->p_cfg );
+ p_sys->i_color = var_CreateGetIntegerCommand( p_filter, CFG_PREFIX "color" );
+ p_sys->i_simthres = var_CreateGetIntegerCommand( p_filter,
+ CFG_PREFIX "similaritythres" );
+ p_sys->i_satthres = var_CreateGetIntegerCommand( p_filter,
+ CFG_PREFIX "saturationthres" );
+
+ vlc_mutex_init( &p_sys->lock );
+
+ var_AddCallback( p_filter, CFG_PREFIX "color", FilterCallback, NULL );
+ var_AddCallback( p_filter, CFG_PREFIX "similaritythres", FilterCallback, NULL );
+ var_AddCallback( p_filter, CFG_PREFIX "saturationthres", FilterCallback, NULL );
+
p_filter->pf_video_filter = Filter;
return VLC_SUCCESS;
static void Destroy( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t *)p_this;
+
+ var_DelCallback( p_filter, CFG_PREFIX "color", FilterCallback, NULL );
+ var_DelCallback( p_filter, CFG_PREFIX "similaritythres", FilterCallback, NULL );
+ var_DelCallback( p_filter, CFG_PREFIX "saturationthres", FilterCallback, NULL );
+
+ vlc_mutex_destroy( &p_filter->p_sys->lock );
free( p_filter->p_sys );
}
static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
{
picture_t *p_outpic;
+ filter_sys_t *p_sys = p_filter->p_sys;
uint8_t *p_in_y, *p_in_u, *p_in_v, *p_in_end_u;
uint8_t *p_out_y, *p_out_u, *p_out_v;
- int i_simthres = var_GetInteger( p_filter, "colorthres-similaritythres" );
- int i_satthres = var_GetInteger( p_filter, "colorthres-saturationthres" );
- int i_color = var_GetInteger( p_filter, "colorthres-color" );
+
+ vlc_mutex_lock( &p_sys->lock );
+ int i_simthres = p_sys->i_simthres;
+ int i_satthres = p_sys->i_satthres;
+ int i_color = p_sys->i_color;
+ vlc_mutex_unlock( &p_sys->lock );
if( !p_pic ) return NULL;
return CopyInfoAndRelease( p_outpic, p_pic );
}
+
+static int FilterCallback ( vlc_object_t *p_this, char const *psz_var,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ (void)oldval; (void)p_data;
+ filter_t *p_filter = (filter_t*)p_this;
+ filter_sys_t *p_sys = p_filter->p_sys;
+
+ if( !strcmp( psz_var, CFG_PREFIX "color" ) )
+ {
+ vlc_mutex_lock( &p_sys->lock );
+ p_sys->i_color = newval.i_int;
+ vlc_mutex_unlock( &p_sys->lock );
+ }
+ else if( !strcmp( psz_var, CFG_PREFIX "similaritythres" ) )
+ {
+ vlc_mutex_lock( &p_sys->lock );
+ p_sys->i_simthres = newval.i_int;
+ vlc_mutex_unlock( &p_sys->lock );
+ }
+ else /* CFG_PREFIX "saturationthres" */
+ {
+ vlc_mutex_lock( &p_sys->lock );
+ p_sys->i_satthres = newval.i_int;
+ vlc_mutex_unlock( &p_sys->lock );
+ }
+
+ return VLC_SUCCESS;
+}