sharpen.c File Reference

Include dependency graph for sharpen.c:

Data Structures
struct	filter_sys_t
	filter_sys_t: chroma method descriptor More...
Defines
#define	SIG_TEXT   N_("Sharpen strength (0-2)")
#define	SIG_LONGTEXT   N_("Set the Sharpen strength, between 0 and 2. Defaults to 0.05.")
#define	SHARPEN_HELP   N_("Augment contrast between contours.")
#define	FILTER_PREFIX   "sharpen-"
Functions
static int	Create (vlc_object_t *)
static void	Destroy (vlc_object_t *)
static picture_t *	Filter (filter_t *, picture_t *)
static int	SharpenCallback (vlc_object_t *, char const *, vlc_value_t, vlc_value_t, void *)
int	vlc_entry__main (module_t *p_module)
const char *	vlc_entry_license__main (void)
static int32_t	clip (int32_t a)
static void	init_precalc_table (filter_sys_t *p_filter, float sigma)
Variables
static const char *const	ppsz_filter_options []

---

Define Documentation

#define FILTER_PREFIX   "sharpen-"

#define SHARPEN_HELP   N_("Augment contrast between contours.")

#define SIG_LONGTEXT   N_("Set the Sharpen strength, between 0 and 2. Defaults to 0.05.")

#define SIG_TEXT   N_("Sharpen strength (0-2)")

---

Function Documentation

static int32_t clip

(

int32_t

a

)

[inline, static]

Referenced by Filter().

static int Create

(

vlc_object_t *

p_this

)

[static]

References config_ChainParse, Filter(), FILTER_PREFIX, init_precalc_table(), filter_sys_t::lock, filter_t::p_cfg, filter_t::p_sys, ppsz_filter_options, SharpenCallback(), var_AddCallback, var_CreateGetFloatCommand, VLC_ENOMEM, vlc_mutex_init(), and VLC_SUCCESS.

static void Destroy

(

vlc_object_t *

p_this

)

[static]

References FILTER_PREFIX, filter_sys_t::lock, filter_t::p_sys, p_sys, SharpenCallback(), var_DelCallback, and vlc_mutex_destroy().

static picture_t * Filter	(	filter_t *	p_filter,
		picture_t *	p_pic
	)			[static]

References clip(), CopyInfoAndRelease(), filter_NewPicture(), i, plane_t::i_visible_lines, plane_t::i_visible_pitch, filter_sys_t::lock, picture_t::p, plane_t::p_pixels, filter_t::p_sys, picture_Release(), plane_CopyPixels(), filter_sys_t::tab_precalc, U_PLANE, V_PLANE, vlc_mutex_lock(), vlc_mutex_unlock(), and Y_PLANE.

static void init_precalc_table	(	filter_sys_t *	p_filter,
		float	sigma
	)			[static]

References i, and filter_sys_t::tab_precalc.

Referenced by Create(), and SharpenCallback().

static int SharpenCallback	(	vlc_object_t *	p_this,
		char const *	psz_var,
		vlc_value_t	oldval,
		vlc_value_t	newval,
		void *	p_data
	)			[static]

References __MAX, __MIN, vlc_value_t::f_float, init_precalc_table(), filter_sys_t::lock, p_sys, vlc_mutex_lock(), vlc_mutex_unlock(), VLC_SUCCESS, and VLC_UNUSED.

Referenced by Create(), and Destroy().

int vlc_entry__main

(

module_t *

p_module

)

const char* vlc_entry_license__main

(

void

)

---

Variable Documentation

const char* const ppsz_filter_options[] [static]

Initial value:

 {
    "sigma", NULL
}