#include <vlc_common.h>
#include <vlc_plugin.h>
#include <vlc_sout.h>
-#include <vlc_vout.h>
#include <vlc_filter.h>
#include "filter_picture.h"
static void Destroy ( vlc_object_t * );
static picture_t *Filter ( filter_t *, picture_t * );
static void RenderBlur ( filter_sys_t *, picture_t *, picture_t * );
-static void Copy ( filter_t *, picture_t * );
static int MotionBlurCallback( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
#define FILTER_PREFIX "blur-"
-vlc_module_begin();
- set_shortname( N_("Motion blur") );
- set_description( N_("Motion blur filter") );
- set_capability( "video filter2", 0 );
- set_category( CAT_VIDEO );
- set_subcategory( SUBCAT_VIDEO_VFILTER );
+vlc_module_begin ()
+ set_shortname( N_("Motion blur") )
+ set_description( N_("Motion blur filter") )
+ set_capability( "video filter2", 0 )
+ set_category( CAT_VIDEO )
+ set_subcategory( SUBCAT_VIDEO_VFILTER )
add_integer_with_range( FILTER_PREFIX "factor", 80, 1, 127, NULL,
- FACTOR_TEXT, FACTOR_LONGTEXT, false );
+ FACTOR_TEXT, FACTOR_LONGTEXT, false )
- add_shortcut( "blur" );
+ add_shortcut( "blur" )
- set_callbacks( Create, Destroy );
-vlc_module_end();
+ set_callbacks( Create, Destroy )
+vlc_module_end ()
static const char *const ppsz_filter_options[] = {
"factor", NULL
*****************************************************************************/
struct filter_sys_t
{
- int i_factor;
+ picture_t *p_tmp;
+ bool b_first;
- uint8_t **pp_planes;
- int i_planes;
+ vlc_spinlock_t lock;
+ int i_factor;
};
/*****************************************************************************
if( p_filter->p_sys == NULL )
return VLC_ENOMEM;
+ p_filter->p_sys->p_tmp = picture_NewFromFormat( &p_filter->fmt_in.video );
+ if( !p_filter->p_sys->p_tmp )
+ {
+ free( p_filter->p_sys );
+ return VLC_ENOMEM;
+ }
+ p_filter->p_sys->b_first = true;
+
p_filter->pf_video_filter = Filter;
config_ChainParse( p_filter, FILTER_PREFIX, ppsz_filter_options,
p_filter->p_sys->i_factor =
var_CreateGetIntegerCommand( p_filter, FILTER_PREFIX "factor" );
+ vlc_spin_init( &p_filter->p_sys->lock );
var_AddCallback( p_filter, FILTER_PREFIX "factor",
MotionBlurCallback, p_filter->p_sys );
- p_filter->p_sys->pp_planes = NULL;
- p_filter->p_sys->i_planes = 0;
return VLC_SUCCESS;
}
{
filter_t *p_filter = (filter_t *)p_this;
- while( p_filter->p_sys->i_planes-- )
- free( p_filter->p_sys->pp_planes[p_filter->p_sys->i_planes] );
- free( p_filter->p_sys->pp_planes );
+ var_DelCallback( p_filter, FILTER_PREFIX "factor",
+ MotionBlurCallback, p_filter->p_sys );
+ vlc_spin_destroy( &p_filter->p_sys->lock );
+
+ picture_Release( p_filter->p_sys->p_tmp );
free( p_filter->p_sys );
}
return NULL;
}
- if( !p_sys->pp_planes )
+ if( p_sys->b_first )
{
- /* initialise our picture buffer */
- int i_plane;
- p_sys->i_planes = p_pic->i_planes;
- p_sys->pp_planes =
- (uint8_t**)malloc( p_sys->i_planes * sizeof( uint8_t * ) );
- for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
- {
- p_sys->pp_planes[i_plane] = (uint8_t*)malloc(
- p_pic->p[i_plane].i_pitch * p_pic->p[i_plane].i_visible_lines );
- }
- Copy( p_filter, p_pic );
+ picture_CopyPixels( p_sys->p_tmp, p_pic );
+ p_sys->b_first = false;
}
/* Get a new picture */
RenderBlur( p_sys, p_pic, p_outpic );
- Copy( p_filter, p_outpic );
+
+ picture_CopyPixels( p_sys->p_tmp, p_outpic );
return CopyInfoAndRelease( p_outpic, p_pic );
}
picture_t *p_outpic )
{
int i_plane;
- int i_oldfactor = p_sys->i_factor;
+ vlc_spin_lock( &p_sys->lock );
+ const int i_oldfactor = p_sys->i_factor;
+ vlc_spin_unlock( &p_sys->lock );
int i_newfactor = 128 - i_oldfactor;
+
for( i_plane = 0; i_plane < p_outpic->i_planes; i_plane++ )
{
uint8_t *p_old, *p_new, *p_out, *p_out_end, *p_out_line_end;
- const int i_pitch = p_outpic->p[i_plane].i_pitch;
const int i_visible_pitch = p_outpic->p[i_plane].i_visible_pitch;
const int i_visible_lines = p_outpic->p[i_plane].i_visible_lines;
p_out = p_outpic->p[i_plane].p_pixels;
p_new = p_newpic->p[i_plane].p_pixels;
- p_old = p_sys->pp_planes[i_plane];
- p_out_end = p_out + i_pitch * i_visible_lines;
+ p_old = p_sys->p_tmp->p[i_plane].p_pixels;
+ p_out_end = p_out + p_outpic->p[i_plane].i_pitch * i_visible_lines;
while ( p_out < p_out_end )
{
p_out_line_end = p_out + i_visible_pitch;
((*p_new++) * i_newfactor)) >> 7;
}
- p_old += i_pitch - i_visible_pitch;
- p_new += i_pitch - i_visible_pitch;
- p_out += i_pitch - i_visible_pitch;
+ p_old += p_sys->p_tmp->p[i_plane].i_pitch - i_visible_pitch;
+ p_new += p_newpic->p[i_plane].i_pitch - i_visible_pitch;
+ p_out += p_outpic->p[i_plane].i_pitch - i_visible_pitch;
}
}
}
-static void Copy( filter_t *p_filter, picture_t *p_pic )
-{
- int i_plane;
- for( i_plane = 0; i_plane < p_pic->i_planes; i_plane++ )
- {
- vlc_memcpy(
- p_filter->p_sys->pp_planes[i_plane], p_pic->p[i_plane].p_pixels,
- p_pic->p[i_plane].i_pitch * p_pic->p[i_plane].i_visible_lines );
- }
-}
-
static int MotionBlurCallback( vlc_object_t *p_this, char const *psz_var,
vlc_value_t oldval, vlc_value_t newval,
void *p_data )
{
VLC_UNUSED(p_this); VLC_UNUSED(oldval);
filter_sys_t *p_sys = (filter_sys_t *)p_data;
+
if( !strcmp( psz_var, FILTER_PREFIX "factor" ) )
+ {
+ vlc_spin_lock( &p_sys->lock );
p_sys->i_factor = __MIN( 127, __MAX( 1, newval.i_int ) );
+ vlc_spin_unlock( &p_sys->lock );
+ }
return VLC_SUCCESS;
}
projects / vlc / blobdiff