canvas.c File Reference

Include dependency graph for canvas.c:

Data Structures
struct	filter_sys_t
	filter_sys_t: chroma method descriptor More...
Defines
#define	WIDTH_TEXT   N_( "Output width" )
#define	WIDTH_LONGTEXT
#define	HEIGHT_TEXT   N_( "Output height" )
#define	HEIGHT_LONGTEXT
#define	ASPECT_TEXT   N_( "Output picture aspect ratio" )
#define	ASPECT_LONGTEXT
#define	PADD_TEXT   N_( "Pad video" )
#define	PADD_LONGTEXT
#define	CANVAS_HELP   N_( "Automatically resize and pad a video" )
#define	CFG_PREFIX   "canvas-"
Functions
static int	Activate (vlc_object_t *)
static void	Destroy (vlc_object_t *)
static picture_t *	Filter (filter_t *, picture_t *)
static int	alloc_init (filter_t *, void *)
int	vlc_entry__main (module_t *p_module)
const char *	vlc_entry_license__main (void)
static picture_t *	video_new (filter_t *p_filter)
static void	video_del (filter_t *p_filter, picture_t *p_pic)
Variables
static const char *const	ppsz_filter_options []

---

Define Documentation

#define ASPECT_LONGTEXT

Value:

N_( \
    "Set the canvas' picture aspect ratio. " \
    "If omitted, the canvas is assumed to have the same SAR as the input." )

#define ASPECT_TEXT   N_( "Output picture aspect ratio" )

#define CANVAS_HELP   N_( "Automatically resize and pad a video" )

#define CFG_PREFIX   "canvas-"

#define HEIGHT_LONGTEXT

Value:

N_( \
    "Output (canvas) image height" )

#define HEIGHT_TEXT   N_( "Output height" )

#define PADD_LONGTEXT

Value:

N_( \
    "If enabled, video will be padded to fit in canvas after scaling. " \
    "Otherwise, video will be cropped to fix in canvas after scaling." )

#define PADD_TEXT   N_( "Pad video" )

#define WIDTH_LONGTEXT

Value:

N_( \
    "Output (canvas) image width" )

#define WIDTH_TEXT   N_( "Output width" )

---

Function Documentation

static int Activate

(

vlc_object_t *

p_this

)

[static]

References alloc_init(), filter_t::b_allow_fmt_out_change, CFG_PREFIX, config_ChainParse, es_format_Copy(), Filter(), filter_chain_AppendFilter(), filter_chain_AppendFromString(), filter_chain_GetFmtOut(), filter_chain_New, filter_chain_Reset(), filter_t::fmt_in, filter_t::fmt_out, video_format_t::i_chroma, video_format_t::i_height, video_format_t::i_sar_den, video_format_t::i_sar_num, video_format_t::i_visible_height, video_format_t::i_visible_width, video_format_t::i_width, msg_Err, msg_Warn, filter_t::p_cfg, filter_sys_t::p_chain, filter_t::p_sys, p_sys, ppsz_filter_options, var_CreateGetBool, var_CreateGetInteger, var_CreateGetNonEmptyString, es_format_t::video, VLC_EGENERIC, VLC_ENOMEM, VLC_SUCCESS, and VOUT_ASPECT_FACTOR.

static int alloc_init	(	filter_t *	p_filter,
		void *	p_data
	)			[static]

References filter_t::p_owner, video_del(), video_new(), and VLC_SUCCESS.

Referenced by Activate().

static void Destroy

(

vlc_object_t *

p_this

)

[static]

References filter_chain_Delete(), filter_sys_t::p_chain, and filter_t::p_sys.

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

References filter_chain_VideoFilter(), filter_sys_t::p_chain, and filter_t::p_sys.

static void video_del	(	filter_t *	p_filter,
		picture_t *	p_pic
	)			[static]

References filter_DeletePicture(), and filter_t::p_owner.

Referenced by alloc_init().

static picture_t* video_new

(

filter_t *

p_filter

)

[static]

References filter_NewPicture(), and filter_t::p_owner.

Referenced by alloc_init().

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:

 {
    "width", "height", "aspect", "padd", NULL
}