vf_pullup.c File Reference

#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/mem.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "filters.h"
#include "video.h"
#include "vf_pullup.h"

Go to the source code of this file.

Macros
#define	F_HAVE_BREAKS   1
#define	F_HAVE_AFFINITY   2
#define	BREAK_LEFT   1
#define	BREAK_RIGHT   2
#define	OFFSET(x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define	ABS(a)

Functions
	AVFILTER_DEFINE_CLASS (pullup)
static int	diff_c (const uint8_t *a, const uint8_t *b, ptrdiff_t s)
static int	comb_c (const uint8_t *a, const uint8_t *b, ptrdiff_t s)
static int	var_c (const uint8_t *a, const uint8_t *b, ptrdiff_t s)
static int	alloc_metrics (PullupContext *s, PullupField *f)
static void	free_field_queue (PullupField *head)
static PullupField *	make_field_queue (PullupContext *s, int len)
static int	config_input (AVFilterLink *inlink)
static PullupBuffer *	pullup_lock_buffer (PullupBuffer *b, int parity)
static void	pullup_release_buffer (PullupBuffer *b, int parity)
static int	alloc_buffer (PullupContext *s, PullupBuffer *b)
static PullupBuffer *	pullup_get_buffer (PullupContext *s, int parity)
static int	queue_length (PullupField *begin, PullupField *end)
static int	find_first_break (PullupField *f, int max)
static void	compute_breaks (PullupContext *s, PullupField *f0)
static void	compute_affinity (PullupContext *s, PullupField *f)
static int	decide_frame_length (PullupContext *s)
static PullupFrame *	pullup_get_frame (PullupContext *s)
static void	pullup_release_frame (PullupFrame *f)
static void	compute_metric (PullupContext *s, int *dest, PullupField *fa, int pa, PullupField *fb, int pb, int(*func)(const uint8_t *, const uint8_t *, ptrdiff_t))
static int	check_field_queue (PullupContext *s)
static void	pullup_submit_field (PullupContext *s, PullupBuffer *b, int parity)
static void	copy_field (PullupContext *s, PullupBuffer *dst, PullupBuffer *src, int parity)
static void	pullup_pack_frame (PullupContext *s, PullupFrame *fr)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static const AVOption	pullup_options []
static enum AVPixelFormat	pix_fmts []
static const AVFilterPad	pullup_inputs []
const FFFilter	ff_vf_pullup

Macro Definition Documentation

F_HAVE_BREAKS

#define F_HAVE_BREAKS   1

Definition at line 31 of file vf_pullup.c.

Referenced by compute_breaks().

F_HAVE_AFFINITY

#define F_HAVE_AFFINITY   2

Definition at line 32 of file vf_pullup.c.

Referenced by compute_affinity().

BREAK_LEFT

#define BREAK_LEFT   1

Definition at line 34 of file vf_pullup.c.

Referenced by compute_breaks(), decide_frame_length(), and find_first_break().

BREAK_RIGHT

#define BREAK_RIGHT   2

Definition at line 35 of file vf_pullup.c.

Referenced by compute_breaks(), decide_frame_length(), and find_first_break().

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(PullupContext, x)

Definition at line 37 of file vf_pullup.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 38 of file vf_pullup.c.

ABS

#define ABS

(

a

)

Value:

(((a) ^ ((a) >> 31)) - ((a) >> 31))

Definition at line 65 of file vf_pullup.c.

Referenced by comb_c(), config_output(), diff_c(), and var_c().

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

pullup

)

diff_c()

static int diff_c ( const uint8_t * a, const uint8_t * b, ptrdiff_t s )

static

Definition at line 67 of file vf_pullup.c.

Referenced by config_input().

comb_c()

static int comb_c ( const uint8_t * a, const uint8_t * b, ptrdiff_t s )

static

Definition at line 81 of file vf_pullup.c.

Referenced by config_input().

var_c()

static int var_c ( const uint8_t * a, const uint8_t * b, ptrdiff_t s )

static

Definition at line 96 of file vf_pullup.c.

Referenced by config_input().

alloc_metrics()

static int alloc_metrics ( PullupContext * s, PullupField * f )

static

Definition at line 109 of file vf_pullup.c.

Referenced by check_field_queue(), and make_field_queue().

free_field_queue()

static void free_field_queue ( PullupField * head )

static

Definition at line 124 of file vf_pullup.c.

Referenced by make_field_queue(), and uninit().

make_field_queue()

static PullupField * make_field_queue ( PullupContext * s, int len )

static

Definition at line 141 of file vf_pullup.c.

Referenced by config_input().

config_input()

static int config_input ( AVFilterLink * inlink )

static

Definition at line 175 of file vf_pullup.c.

pullup_lock_buffer()

static PullupBuffer * pullup_lock_buffer ( PullupBuffer * b, int parity )

static

Definition at line 216 of file vf_pullup.c.

Referenced by pullup_get_buffer(), pullup_get_frame(), pullup_pack_frame(), and pullup_submit_field().

pullup_release_buffer()

static void pullup_release_buffer ( PullupBuffer * b, int parity )

static

Definition at line 229 of file vf_pullup.c.

Referenced by filter_frame(), and pullup_release_frame().

alloc_buffer()

static int alloc_buffer ( PullupContext * s, PullupBuffer * b )

static

Definition at line 240 of file vf_pullup.c.

Referenced by pullup_get_buffer().

pullup_get_buffer()

static PullupBuffer * pullup_get_buffer ( PullupContext * s, int parity )

static

Definition at line 255 of file vf_pullup.c.

Referenced by filter_frame(), and pullup_pack_frame().

queue_length()

static int queue_length ( PullupField * begin, PullupField * end )

static

Definition at line 292 of file vf_pullup.c.

Referenced by decide_frame_length().

find_first_break()

static int find_first_break ( PullupField * f, int max )

static

Definition at line 306 of file vf_pullup.c.

Referenced by decide_frame_length().

compute_breaks()

static void compute_breaks ( PullupContext * s, PullupField * f0 )

static

Definition at line 319 of file vf_pullup.c.

Referenced by decide_frame_length().

compute_affinity()

static void compute_affinity ( PullupContext * s, PullupField * f )

static

Definition at line 360 of file vf_pullup.c.

Referenced by decide_frame_length().

decide_frame_length()

static int decide_frame_length ( PullupContext * s )

static

Definition at line 404 of file vf_pullup.c.

Referenced by pullup_get_frame().

pullup_get_frame()

static PullupFrame * pullup_get_frame ( PullupContext * s )

static

Definition at line 460 of file vf_pullup.c.

Referenced by filter_frame().

pullup_release_frame()

static void pullup_release_frame ( PullupFrame * f )

static

Definition at line 507 of file vf_pullup.c.

Referenced by filter_frame().

compute_metric()

static void compute_metric ( PullupContext * s, int * dest, PullupField * fa, int pa, PullupField * fb, int pb, int(* func )(const uint8_t *, const uint8_t *, ptrdiff_t) )

static

Definition at line 522 of file vf_pullup.c.

Referenced by pullup_submit_field().

check_field_queue()

static int check_field_queue ( PullupContext * s )

static

Definition at line 553 of file vf_pullup.c.

Referenced by pullup_submit_field().

pullup_submit_field()

static void pullup_submit_field ( PullupContext * s, PullupBuffer * b, int parity )

static

Definition at line 577 of file vf_pullup.c.

Referenced by filter_frame().

copy_field()

static void copy_field ( PullupContext * s, PullupBuffer * dst, PullupBuffer * src, int parity )

static

Definition at line 608 of file vf_pullup.c.

pullup_pack_frame()

static void pullup_pack_frame ( PullupContext * s, PullupFrame * fr )

static

Definition at line 624 of file vf_pullup.c.

Referenced by filter_frame().

filter_frame()

static int filter_frame ( AVFilterLink * inlink, AVFrame * in )

static

Definition at line 650 of file vf_pullup.c.

uninit()

static av_cold void uninit ( AVFilterContext * ctx )

static

Definition at line 727 of file vf_pullup.c.

Variable Documentation

pullup_options

const AVOption pullup_options[]

static

Initial value:

= {
    { "jl", "set left junk size",  OFFSET(junk_left),  AV_OPT_TYPE_INT, {.i64=1}, 0, INT_MAX, FLAGS },
    { "jr", "set right junk size", OFFSET(junk_right), AV_OPT_TYPE_INT, {.i64=1}, 0, INT_MAX, FLAGS },
    { "jt", "set top junk size",   OFFSET(junk_top),   AV_OPT_TYPE_INT, {.i64=4}, 1, INT_MAX, FLAGS },
    { "jb", "set bottom junk size", OFFSET(junk_bottom), AV_OPT_TYPE_INT, {.i64=4}, 1, INT_MAX, FLAGS },
    { "sb", "set strict breaks", OFFSET(strict_breaks), AV_OPT_TYPE_BOOL,{.i64=0},-1, 1, FLAGS },
    { "mp", "set metric plane",  OFFSET(metric_plane),  AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, .unit = "mp" },
    { "y", "luma",        0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, .unit = "mp" },
    { "u", "chroma blue", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, .unit = "mp" },
    { "v", "chroma red",  0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, .unit = "mp" },
    { NULL }
}

Definition at line 40 of file vf_pullup.c.

pix_fmts

enum AVPixelFormat pix_fmts[]

static

Initial value:

= {
    AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P,
    AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
    AV_PIX_FMT_YUV444P,  AV_PIX_FMT_YUV440P,
    AV_PIX_FMT_YUV422P,  AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUV411P,  AV_PIX_FMT_YUV410P,
    AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_GRAY8,
    AV_PIX_FMT_NONE
}

Definition at line 55 of file vf_pullup.c.

pullup_inputs

const AVFilterPad pullup_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = filter_frame,
        .config_props = config_input,
    },
}

Definition at line 742 of file vf_pullup.c.

ff_vf_pullup

const FFFilter ff_vf_pullup

Initial value:

= {
    .p.name        = "pullup",
    .p.description = NULL_IF_CONFIG_SMALL("Pullup from field sequence to frames."),
    .p.priv_class  = &pullup_class,
    .priv_size     = sizeof(PullupContext),
    .uninit        = uninit,
    FILTER_INPUTS(pullup_inputs),
    FILTER_OUTPUTS(ff_video_default_filterpad),
    FILTER_PIXFMTS_ARRAY(pix_fmts),
}

Definition at line 751 of file vf_pullup.c.