vf_identity.c File Reference

#include "libavutil/avstring.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "drawutils.h"
#include "formats.h"
#include "framesync.h"
#include "internal.h"
#include "video.h"
#include "scene_sad.h"

Go to the source code of this file.

Data Structures
struct	IdentityContext
struct	ThreadData
	Used for passing data between threads. More...

Macros
#define	OFFSET(x)   offsetof(IdentityContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
#define	PF_NOALPHA(suf)   AV_PIX_FMT_YUV420##suf, AV_PIX_FMT_YUV422##suf, AV_PIX_FMT_YUV444##suf
#define	PF_ALPHA(suf)   AV_PIX_FMT_YUVA420##suf, AV_PIX_FMT_YUVA422##suf, AV_PIX_FMT_YUVA444##suf
#define	PF(suf)   PF_NOALPHA(suf), PF_ALPHA(suf)

Functions
static unsigned	identity_line_8bit (const uint8_t *main_line, const uint8_t *ref_line, int outw)
static unsigned	identity_line_16bit (const uint8_t *mmain_line, const uint8_t *rref_line, int outw)
static int	compute_images_msad (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	compute_images_identity (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static void	set_meta (AVFilterContext *ctx, AVDictionary **metadata, const char *key, char comp, float d)
static int	do_identity (FFFrameSync *fs)
static av_cold int	init (AVFilterContext *ctx)
static int	config_input_ref (AVFilterLink *inlink)
static int	config_output (AVFilterLink *outlink)
static int	activate (AVFilterContext *ctx)
static av_cold void	uninit (AVFilterContext *ctx)

Variables
static enum AVPixelFormat	pix_fmts []
static const AVFilterPad	identity_inputs []
static const AVFilterPad	identity_outputs []
static const AVOption	options []

Detailed Description

Calculate the Identity between two input videos.

Definition in file vf_identity.c.

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(IdentityContext, x)

Definition at line 58 of file vf_identity.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 59 of file vf_identity.c.

PF_NOALPHA

#define PF_NOALPHA

(

suf

)

AV_PIX_FMT_YUV420##suf, AV_PIX_FMT_YUV422##suf, AV_PIX_FMT_YUV444##suf

PF_ALPHA

#define PF_ALPHA

(

suf

)

AV_PIX_FMT_YUVA420##suf, AV_PIX_FMT_YUVA422##suf, AV_PIX_FMT_YUVA444##suf

PF

#define PF

(

suf

)

PF_NOALPHA(suf), PF_ALPHA(suf)

Function Documentation

identity_line_8bit()

static unsigned identity_line_8bit ( const uint8_t *  main_line, const uint8_t *  ref_line, int  outw  )

static

Definition at line 61 of file vf_identity.c.

Referenced by config_input_ref().

identity_line_16bit()

static unsigned identity_line_16bit ( const uint8_t *  mmain_line, const uint8_t *  rref_line, int  outw  )

static

Definition at line 71 of file vf_identity.c.

Referenced by config_input_ref().

compute_images_msad()

static int compute_images_msad ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 95 of file vf_identity.c.

Referenced by config_input_ref().

compute_images_identity()

static int compute_images_identity ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 123 of file vf_identity.c.

Referenced by config_input_ref().

set_meta()

static void set_meta ( AVFilterContext *  ctx, AVDictionary **  metadata, const char *  key, char  comp, float  d  )

static

Definition at line 152 of file vf_identity.c.

Referenced by do_identity().

do_identity()

static int do_identity ( FFFrameSync *  fs )

static

Definition at line 170 of file vf_identity.c.

Referenced by init().

init()

static av_cold int init ( AVFilterContext *  ctx )

static

Definition at line 235 of file vf_identity.c.

config_input_ref()

static int config_input_ref ( AVFilterLink *  inlink )

static

Definition at line 259 of file vf_identity.c.

config_output()

static int config_output ( AVFilterLink *  outlink )

static

Definition at line 313 of file vf_identity.c.

activate()

static int activate ( AVFilterContext *  ctx )

static

Definition at line 342 of file vf_identity.c.

uninit()

static av_cold void uninit ( AVFilterContext *  ctx )

static

Definition at line 348 of file vf_identity.c.

Variable Documentation

pix_fmts

enum AVPixelFormat pix_fmts[]

static

Initial value:

= {
    AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
#define PF_NOALPHA(suf) 
#define PF_ALPHA(suf)   
#define PF(suf)         
    PF(P), PF(P9), PF(P10), PF_NOALPHA(P12), PF_NOALPHA(P14), PF(P16),
    AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
    AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
    AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P,
    AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
    AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
    AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
    AV_PIX_FMT_NONE
}

Definition at line 244 of file vf_identity.c.

identity_inputs

const AVFilterPad identity_inputs[]

static

Initial value:

= {
    {
        .name         = "main",
        .type         = AVMEDIA_TYPE_VIDEO,
    },{
        .name         = "reference",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = config_input_ref,
    },
}

Definition at line 375 of file vf_identity.c.

identity_outputs

const AVFilterPad identity_outputs[]

static

Initial value:

= {
    {
        .name          = "default",
        .type          = AVMEDIA_TYPE_VIDEO,
        .config_props  = config_output,
    },
}

Definition at line 386 of file vf_identity.c.

options

const AVOption options[]

static

Initial value:

= {
    { NULL }
}

Definition at line 394 of file vf_identity.c.