#include <vlc_common.h>
#include <vlc_plugin.h>
-#include "vlc_filter.h"
+#include <vlc_filter.h>
#include "filter_picture.h"
/*****************************************************************************
*****************************************************************************/
struct filter_sys_t
{
- int i_angle;
- int i_cos;
- int i_sin;
+ vlc_spinlock_t lock;
+ int i_cos;
+ int i_sin;
};
static inline void cache_trigo( int i_angle, int *i_sin, int *i_cos )
config_ChainParse( p_filter, FILTER_PREFIX, ppsz_filter_options,
p_filter->p_cfg );
- p_sys->i_angle = var_CreateGetIntegerCommand( p_filter,
- FILTER_PREFIX "angle" ) * 10;
+ int i_angle = var_CreateGetIntegerCommand( p_filter,
+ FILTER_PREFIX "angle" ) * 10;
+ cache_trigo( i_angle, &p_sys->i_sin, &p_sys->i_cos );
var_Create( p_filter, FILTER_PREFIX "deciangle",
VLC_VAR_INTEGER|VLC_VAR_ISCOMMAND );
+ vlc_spin_init( &p_sys->lock );
var_AddCallback( p_filter, FILTER_PREFIX "angle", RotateCallback, p_sys );
var_AddCallback( p_filter, FILTER_PREFIX "deciangle",
PreciseRotateCallback, p_sys );
- cache_trigo( p_sys->i_angle, &p_sys->i_sin, &p_sys->i_cos );
return VLC_SUCCESS;
}
var_DelCallback( p_filter, FILTER_PREFIX "angle", RotateCallback, p_filter->p_sys );
var_DelCallback( p_filter, FILTER_PREFIX "deciangle",
PreciseRotateCallback, p_filter->p_sys );
-
+ vlc_spin_destroy( &p_filter->p_sys->lock );
free( p_filter->p_sys );
}
{
picture_t *p_outpic;
filter_sys_t *p_sys = p_filter->p_sys;
- int i_plane;
- const int i_sin = p_sys->i_sin, i_cos = p_sys->i_cos;
+ int i_sin, i_cos;
if( !p_pic ) return NULL;
return NULL;
}
- for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
+ vlc_spin_lock( &p_sys->lock );
+ i_sin = p_sys->i_sin;
+ i_cos = p_sys->i_cos;
+ vlc_spin_unlock( &p_sys->lock );
+
+ for( int i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
{
const int i_visible_lines = p_pic->p[i_plane].i_visible_lines;
const int i_visible_pitch = p_pic->p[i_plane].i_visible_pitch;
const int i_pitch = p_pic->p[i_plane].i_pitch;
const int i_hidden_pitch = i_pitch - i_visible_pitch;
- const int i_aspect = ( i_visible_lines * p_pic->p[Y_PLANE].i_visible_pitch ) / ( p_pic->p[Y_PLANE].i_visible_lines * i_visible_pitch );
+ const int i_aspect = __MAX( 1, ( i_visible_lines * p_pic->p[Y_PLANE].i_visible_pitch ) / ( p_pic->p[Y_PLANE].i_visible_lines * i_visible_pitch ));
/* = 2 for U and V planes in YUV 4:2:2, = 1 otherwise */
const int i_line_center = i_visible_lines>>1;
vlc_value_t oldval, vlc_value_t newval,
void *p_data )
{
- VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(oldval);
- filter_sys_t *p_sys = (filter_sys_t *)p_data;
- p_sys->i_angle = newval.i_int*10;
- cache_trigo( p_sys->i_angle, &p_sys->i_sin, &p_sys->i_cos );
- return VLC_SUCCESS;
+ oldval.i_int *= 10;
+ newval.i_int *= 10;
+ return PreciseRotateCallback( p_this, psz_var, oldval, newval, p_data );
}
static int PreciseRotateCallback( vlc_object_t *p_this, char const *psz_var,
{
VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(oldval);
filter_sys_t *p_sys = (filter_sys_t *)p_data;
- p_sys->i_angle = newval.i_int;
- cache_trigo( p_sys->i_angle, &p_sys->i_sin, &p_sys->i_cos );
+ int i_sin, i_cos;
+
+ cache_trigo( newval.i_int, &i_sin, &i_cos );
+ vlc_spin_lock( &p_sys->lock );
+ p_sys->i_sin = i_sin;
+ p_sys->i_cos = i_cos;
+ vlc_spin_unlock( &p_sys->lock );
return VLC_SUCCESS;
}