#include "libavutil/avassert.h"
#include "libavutil/cpu.h"
#include "libavutil/common.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
#include "yadif.h"
#include <assert.h>

Macros
#define	PERM_RWP AV_PERM_WRITE \| AV_PERM_PRESERVE \| AV_PERM_REUSE

#define	CHECK(j)

#define	FILTER

#define	OFFSET(x) offsetof(YADIFContext, x)

#define	FLAGS AV_OPT_FLAG_VIDEO_PARAM\|AV_OPT_FLAG_FILTERING_PARAM

#define	CONST(name, help, val, unit) { name, help, 0, AV_OPT_TYPE_CONST, {.i64=val}, INT_MIN, INT_MAX, FLAGS, unit }

Functions
static void	filter_line_c (uint8_t dst, uint8_t prev, uint8_t cur, uint8_t next, int w, int prefs, int mrefs, int parity, int mode)

static void	filter_line_c_16bit (uint16_t dst, uint16_t prev, uint16_t cur, uint16_t next, int w, int prefs, int mrefs, int parity, int mode)

static void	filter (AVFilterContext ctx, AVFilterBufferRef dstpic, int parity, int tff)

static int	return_frame (AVFilterContext *ctx, int is_second)

static int	filter_frame (AVFilterLink link, AVFilterBufferRef picref)

static int	request_frame (AVFilterLink *link)

	AVFILTER_DEFINE_CLASS (yadif)

static av_cold void	uninit (AVFilterContext *ctx)

static int	query_formats (AVFilterContext *ctx)

static av_cold int	init (AVFilterContext ctx, const char args)

static int	config_props (AVFilterLink *link)

Variables
static const AVOption	yadif_options []

static const AVFilterPad	avfilter_vf_yadif_inputs []

static const AVFilterPad	avfilter_vf_yadif_outputs []

AVFilter	avfilter_vf_yadif

Macro Definition Documentation

#define PERM_RWP AV_PERM_WRITE | AV_PERM_PRESERVE | AV_PERM_REUSE

Definition at line 34 of file vf_yadif.c.

Referenced by filter_frame(), and return_frame().

#define CHECK ( j )

Value:

{   int score = FFABS(cur[mrefs-1+(j)] - cur[prefs-1-(j)])\
                  + FFABS(cur[mrefs  +(j)] - cur[prefs  -(j)])\
                  + FFABS(cur[mrefs+1+(j)] - cur[prefs+1-(j)]);\
        if (score < spatial_score) {\
            spatial_score= score;\
            spatial_pred= (cur[mrefs  +(j)] + cur[prefs  -(j)])>>1;\

Definition at line 36 of file vf_yadif.c.

#define FILTER

Definition at line 44 of file vf_yadif.c.

Referenced by filter_line_c(), and filter_line_c_16bit().

#define OFFSET ( x ) offsetof(YADIFContext, x)

Definition at line 300 of file vf_yadif.c.

#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 301 of file vf_yadif.c.

#define CONST	(	name,
		help,
		val,
		unit
	)	{ name, help, 0, AV_OPT_TYPE_CONST, {.i64=val}, INT_MIN, INT_MAX, FLAGS, unit }

Definition at line 303 of file vf_yadif.c.

Function Documentation

static void filter_line_c	(	uint8_t *	dst,
		uint8_t *	prev,
		uint8_t *	cur,
		uint8_t *	next,
		int	w,
		int	prefs,
		int	mrefs,
		int	parity,
		int	mode
	)

static

Definition at line 84 of file vf_yadif.c.

Referenced by init().

static void filter_line_c_16bit	(	uint16_t *	dst,
		uint16_t *	prev,
		uint16_t *	cur,
		uint16_t *	next,
		int	w,
		int	prefs,
		int	mrefs,
		int	parity,
		int	mode
	)

static

Definition at line 95 of file vf_yadif.c.

Referenced by return_frame().

static void filter	(	AVFilterContext *	ctx,
		AVFilterBufferRef *	dstpic,
		int	parity,
		int	tff
	)

static

Definition at line 109 of file vf_yadif.c.

Referenced by return_frame().

static int return_frame	(	AVFilterContext *	ctx,
		int	is_second
	)

static

Definition at line 171 of file vf_yadif.c.

Referenced by filter_frame(), and request_frame().

static int filter_frame	(	AVFilterLink *	link,
		AVFilterBufferRef *	picref
	)

static

Definition at line 216 of file vf_yadif.c.

Referenced by request_frame().

static int request_frame ( AVFilterLink * link )

static

Definition at line 264 of file vf_yadif.c.

AVFILTER_DEFINE_CLASS ( yadif )

static av_cold void uninit ( AVFilterContext * ctx )

static

Definition at line 326 of file vf_yadif.c.

static int query_formats ( AVFilterContext * ctx )

static

Definition at line 337 of file vf_yadif.c.

static av_cold int init	(	AVFilterContext *	ctx,
		const char *	args
	)

static

Definition at line 369 of file vf_yadif.c.

static int config_props ( AVFilterLink * link )

static

Definition at line 394 of file vf_yadif.c.

Variable Documentation

const AVOption yadif_options[]

static

Initial value:

= {
    { "mode",   "specify the interlacing mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=YADIF_MODE_SEND_FRAME}, 0, 3, FLAGS, "mode"},
    CONST("send_frame",           "send one frame for each frame",                                     YADIF_MODE_SEND_FRAME,           "mode"),
    CONST("send_field",           "send one frame for each field",                                     YADIF_MODE_SEND_FIELD,           "mode"),
    CONST("send_frame_nospatial", "send one frame for each frame, but skip spatial interlacing check", YADIF_MODE_SEND_FRAME_NOSPATIAL, "mode"),
    CONST("send_field_nospatial", "send one frame for each field, but skip spatial interlacing check", YADIF_MODE_SEND_FIELD_NOSPATIAL, "mode"),
    { "parity", "specify the assumed picture field parity", OFFSET(parity), AV_OPT_TYPE_INT, {.i64=YADIF_PARITY_AUTO}, -1, 1, FLAGS, "parity" },
    CONST("tff",  "assume top field first",    YADIF_PARITY_TFF,  "parity"),
    CONST("bff",  "assume bottom field first", YADIF_PARITY_BFF,  "parity"),
    CONST("auto", "auto detect parity",        YADIF_PARITY_AUTO, "parity"),
    { "deint", "specify which frames to deinterlace", OFFSET(deint), AV_OPT_TYPE_INT, {.i64=YADIF_DEINT_ALL}, 0, 1, FLAGS, "deint" },
    CONST("all",        "deinterlace all frames",                       YADIF_DEINT_ALL,         "deint"),
    CONST("interlaced", "only deinterlace frames marked as interlaced", YADIF_DEINT_INTERLACED,  "deint"),
    {NULL},
}

Definition at line 305 of file vf_yadif.c.

const AVFilterPad avfilter_vf_yadif_inputs[]

static

Initial value:

= {
    {
        .name             = "default",
        .type             = AVMEDIA_TYPE_VIDEO,
        .filter_frame     = filter_frame,
        .min_perms        = AV_PERM_PRESERVE,
    },
    { NULL }
}

Definition at line 415 of file vf_yadif.c.

const AVFilterPad avfilter_vf_yadif_outputs[]

static

Initial value:

= {
    {
        .name          = "default",
        .type          = AVMEDIA_TYPE_VIDEO,
        .request_frame = request_frame,
        .config_props  = config_props,
    },
    { NULL }
}

Definition at line 425 of file vf_yadif.c.

AVFilter avfilter_vf_yadif

Initial value:

= {
    .name          = "yadif",
    .description   = NULL_IF_CONFIG_SMALL("Deinterlace the input image."),
    .priv_size     = sizeof(YADIFContext),
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,
    .inputs    = avfilter_vf_yadif_inputs,
    .outputs   = avfilter_vf_yadif_outputs,
    .priv_class = &yadif_class,
}

Definition at line 435 of file vf_yadif.c.

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation