alphamask.c File Reference

Include dependency graph for alphamask.c:

Data Structures
struct	filter_sys_t
	filter_sys_t: chroma method descriptor More...
Defines
#define	ALPHAMASK_HELP
#define	MASK_TEXT   N_("Transparency mask")
#define	MASK_LONGTEXT
#define	CFG_PREFIX   "alphamask-"
#define	VAR_IS(a)   !strcmp( psz_var, CFG_PREFIX a )
Functions
static int	Create (vlc_object_t *)
static void	Destroy (vlc_object_t *)
static picture_t *	Filter (filter_t *, picture_t *)
static void	LoadMask (filter_t *, const char *)
static int	MaskCallback (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)
Variables
static const char *const	ppsz_filter_options []

---

Define Documentation

#define ALPHAMASK_HELP

Value:

N_( \
    "Use an image's alpha channel as a transparency mask." )

#define CFG_PREFIX   "alphamask-"

#define MASK_LONGTEXT

Value:

N_( \
    "Alpha blending transparency mask. Uses a png alpha channel.")

#define MASK_TEXT   N_("Transparency mask")

#define VAR_IS

(

a

)

!strcmp( psz_var, CFG_PREFIX a )

Referenced by BluescreenCallback(), MaskCallback(), and MosaicCallback().

---

Function Documentation

static int Create

(

vlc_object_t *

p_this

)

[static]

References CFG_PREFIX, config_ChainParse, Filter(), filter_t::fmt_in, video_format_t::i_chroma, LoadMask(), filter_sys_t::mask_lock, MaskCallback(), msg_Err, filter_t::p_cfg, filter_sys_t::p_mask, filter_t::p_sys, p_sys, ppsz_filter_options, var_AddCallback, var_CreateGetStringCommand, es_format_t::video, VLC_CODEC_YUVA, VLC_EGENERIC, VLC_ENOMEM, vlc_mutex_init(), and VLC_SUCCESS.

static void Destroy

(

vlc_object_t *

p_this

)

[static]

References CFG_PREFIX, filter_sys_t::mask_lock, MaskCallback(), filter_sys_t::p_mask, filter_t::p_sys, p_sys, picture_Release(), var_DelCallback, and vlc_mutex_destroy().

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

References A_PLANE, plane_t::i_visible_lines, plane_t::i_visible_pitch, filter_sys_t::mask_lock, msg_Err, picture_t::p, filter_sys_t::p_mask, filter_t::p_sys, p_sys, plane_CopyPixels(), vlc_mutex_lock(), and vlc_mutex_unlock().

static void LoadMask	(	filter_t *	p_filter,
		const char *	psz_filename
	)			[static]

References video_format_t::i_chroma, image_HandlerCreate, image_HandlerDelete(), image_ReadUrl, filter_sys_t::p_mask, filter_t::p_sys, picture_Release(), and VLC_CODEC_YUVA.

Referenced by Create(), EraseCallback(), and MaskCallback().

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

References LoadMask(), filter_sys_t::mask_lock, msg_Err, filter_sys_t::p_mask, filter_t::p_sys, p_sys, picture_Release(), vlc_value_t::psz_string, VAR_IS, VLC_EGENERIC, 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:

 {
    "mask", NULL
}