vf_pullup.c File Reference

#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.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)   offsetof(PullupContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define	ABS(a)   (((a) ^ ((a) >> 31)) - ((a) >> 31))

Functions
	AVFILTER_DEFINE_CLASS (pullup)
static int	query_formats (AVFilterContext *ctx)
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 const AVFilterPad	pullup_inputs []
static const AVFilterPad	pullup_outputs []
AVFilter	ff_vf_pullup

Macro Definition Documentation

#define F_HAVE_BREAKS   1

Definition at line 31 of file vf_pullup.c.

Referenced by compute_breaks().

#define F_HAVE_AFFINITY   2

Definition at line 32 of file vf_pullup.c.

Referenced by compute_affinity().

#define BREAK_LEFT   1

Definition at line 34 of file vf_pullup.c.

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

#define BREAK_RIGHT   2

Definition at line 35 of file vf_pullup.c.

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

#define OFFSET

(

x

)

offsetof(PullupContext, x)

Definition at line 37 of file vf_pullup.c.

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 38 of file vf_pullup.c.

#define ABS

(

a

)

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

Definition at line 73 of file vf_pullup.c.

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

Function Documentation

AVFILTER_DEFINE_CLASS

(

pullup

)

static int query_formats ( AVFilterContext *  ctx )

static

Definition at line 55 of file vf_pullup.c.

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

static

Definition at line 75 of file vf_pullup.c.

Referenced by config_input().

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

static

Definition at line 89 of file vf_pullup.c.

Referenced by config_input().

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

static

Definition at line 104 of file vf_pullup.c.

Referenced by config_input().

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

static

Definition at line 117 of file vf_pullup.c.

Referenced by check_field_queue(), and make_field_queue().

static void free_field_queue ( PullupField *  head )

static

Definition at line 132 of file vf_pullup.c.

Referenced by make_field_queue(), and uninit().

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

static

Definition at line 149 of file vf_pullup.c.

Referenced by config_input().

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 183 of file vf_pullup.c.

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

static

Definition at line 223 of file vf_pullup.c.

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

static void pullup_release_buffer ( PullupBuffer *  b, int  parity  )

static

Definition at line 236 of file vf_pullup.c.

Referenced by filter_frame(), and pullup_release_frame().

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

static

Definition at line 247 of file vf_pullup.c.

Referenced by pullup_get_buffer().

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

static

Definition at line 262 of file vf_pullup.c.

Referenced by filter_frame(), and pullup_pack_frame().

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

static

Definition at line 299 of file vf_pullup.c.

Referenced by decide_frame_length().

static int find_first_break ( PullupField *  f, int  max  )

static

Definition at line 313 of file vf_pullup.c.

Referenced by decide_frame_length().

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

static

Definition at line 326 of file vf_pullup.c.

Referenced by decide_frame_length().

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

static

Definition at line 367 of file vf_pullup.c.

Referenced by decide_frame_length().

static int decide_frame_length ( PullupContext *  s )

static

Definition at line 411 of file vf_pullup.c.

Referenced by pullup_get_frame().

static PullupFrame* pullup_get_frame ( PullupContext *  s )

static

Definition at line 467 of file vf_pullup.c.

Referenced by filter_frame().

static void pullup_release_frame ( PullupFrame *  f )

static

Definition at line 514 of file vf_pullup.c.

Referenced by filter_frame().

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

static

Definition at line 529 of file vf_pullup.c.

Referenced by pullup_submit_field().

static int check_field_queue ( PullupContext *  s )

static

Definition at line 560 of file vf_pullup.c.

Referenced by pullup_submit_field().

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

static

Definition at line 584 of file vf_pullup.c.

Referenced by filter_frame().

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

static

Definition at line 616 of file vf_pullup.c.

Referenced by pullup_pack_frame().

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

static

Definition at line 632 of file vf_pullup.c.

Referenced by filter_frame().

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

static

Definition at line 658 of file vf_pullup.c.

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 734 of file vf_pullup.c.

Variable Documentation

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, "mp" },
    { "y", "luma",        0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "mp" },
    { "u", "chroma blue", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "mp" },
    { "v", "chroma red",  0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "mp" },
    { NULL }
}

Definition at line 40 of file vf_pullup.c.

const AVFilterPad pullup_inputs[]

static

Initial value:

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

Definition at line 749 of file vf_pullup.c.

const AVFilterPad pullup_outputs[]

static

Initial value:

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

Definition at line 759 of file vf_pullup.c.

AVFilter ff_vf_pullup

Initial value:

= {
    .name          = "pullup",
    .description   = NULL_IF_CONFIG_SMALL("Pullup from field sequence to frames."),
    .priv_size     = sizeof(PullupContext),
    .priv_class    = &pullup_class,
    .uninit        = uninit,
    .query_formats = query_formats,
    .inputs        = pullup_inputs,
    .outputs       = pullup_outputs,
}

Definition at line 767 of file vf_pullup.c.