[vlc-devel] commit: colorthres: remove a call to var_GetInteger inside the filter function (use a ( Rémi Duraffort )
git version control
git at videolan.org
Tue Jun 30 21:40:08 CEST 2009
vlc | branch: master | Rémi Duraffort <ivoire at videolan.org> | Tue Jun 30 19:36:29 2009 +0200| [8bd3fb71348c43116592a8e169dd48fc033fb8d0] | committer: Rémi Duraffort
colorthres: remove a call to var_GetInteger inside the filter function (use a
callback instead).
> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=8bd3fb71348c43116592a8e169dd48fc033fb8d0
---
modules/video_filter/colorthres.c | 81 ++++++++++++++++++++++++++++++++-----
1 files changed, 70 insertions(+), 11 deletions(-)
diff --git a/modules/video_filter/colorthres.c b/modules/video_filter/colorthres.c
index e3a05a6..e89a211 100644
--- a/modules/video_filter/colorthres.c
+++ b/modules/video_filter/colorthres.c
@@ -1,7 +1,7 @@
/*****************************************************************************
* colorthres.c: Theshold 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 at videolan.org>
@@ -84,10 +84,21 @@ static const char *const ppsz_filter_options[] = {
};
/*****************************************************************************
+ * 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;
};
/*****************************************************************************
@@ -98,6 +109,7 @@ struct filter_sys_t
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 )
{
@@ -116,17 +128,25 @@ static int Create( vlc_object_t *p_this )
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;
@@ -140,6 +160,12 @@ static int Create( vlc_object_t *p_this )
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 );
}
@@ -153,11 +179,15 @@ static void Destroy( vlc_object_t *p_this )
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;
@@ -225,3 +255,32 @@ static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
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;
+}
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