vf_lensfun.c File Reference

Lensfun filter, applies lens correction with parameters from the lensfun database. More...

#include <float.h>
#include <math.h>
#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libswscale/swscale.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
#include <lensfun.h>

Classes
struct	VignettingThreadData
struct	DistortionCorrectionThreadData
struct	LensfunContext

Macros
#define	LANCZOS_RESOLUTION   256
#define	OFFSET(x)   offsetof(LensfunContext, x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Typedefs
typedef struct VignettingThreadData	VignettingThreadData
typedef struct DistortionCorrectionThreadData	DistortionCorrectionThreadData
typedef struct LensfunContext	LensfunContext

Enumerations
enum	Mode {   MODE_4k75 = 0, MODE_5k15, MODE_5k9, MODE_6k7,   MODE_7k4, MODE_7k95, MODE_10k2, MODE_12k2,   MODE_DTX, N_MODES, NO_DATA = 15, MODE_6k60 = 0,   MODE_8k85, MODE_12k65, MODE_14k25, MODE_15k85,   MODE_18k25, MODE_19k85, MODE_23k05, MODE_23k85,   MODE_SID, SP_LOST = 14, NO_DATA, VIGNETTING = 0x1,   GEOMETRY_DISTORTION = 0x2, SUBPIXEL_DISTORTION = 0x4 }
enum	InterpolationType { NEAREST, LINEAR, LANCZOS }

Functions
	AVFILTER_DEFINE_CLASS (lensfun)

Variables
AVFilter	ff_vf_lensfun

Detailed Description

Lensfun filter, applies lens correction with parameters from the lensfun database.

See also

https://lensfun.sourceforge.net/

Enumeration Type Documentation

Mode

enum Mode

Enumerator
MODE_4k75	4.75 kbit/s
MODE_5k15	5.15 kbit/s
MODE_5k9	5.90 kbit/s
MODE_6k7	6.70 kbit/s
MODE_7k4	7.40 kbit/s
MODE_7k95	7.95 kbit/s
MODE_10k2	10.2 kbit/s
MODE_12k2	12.2 kbit/s
MODE_DTX	silent frame
N_MODES	number of modes
NO_DATA	no transmission
MODE_6k60	6.60 kbit/s
MODE_8k85	8.85 kbit/s
MODE_12k65	12.65 kbit/s
MODE_14k25	14.25 kbit/s
MODE_15k85	15.85 kbit/s
MODE_18k25	18.25 kbit/s
MODE_19k85	19.85 kbit/s
MODE_23k05	23.05 kbit/s
MODE_23k85	23.85 kbit/s
MODE_SID	comfort noise frame
SP_LOST	speech lost
NO_DATA	no transmission

Variable Documentation

ff_vf_lensfun

AVFilter ff_vf_lensfun

Initial value:

= {
    .name          = "lensfun",
    .description   = NULL_IF_CONFIG_SMALL("Apply correction to an image based on info derived from the lensfun database."),
    .priv_size     = sizeof(LensfunContext),
    .init          = init,
    .uninit        = uninit,
    .query_formats = query_formats,
    .inputs        = lensfun_inputs,
    .outputs       = lensfun_outputs,
    .priv_class    = &lensfun_class,
    .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
}