FFmpeg
libavfilter
lut3d.h
Go to the documentation of this file.
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/*
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* Copyright (c) 2013 Clément Bœsch
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* Copyright (c) 2018 Paul B Mahol
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFILTER_LUT3D_H
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#define AVFILTER_LUT3D_H
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#include "config_components.h"
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#include "
libavutil/pixdesc.h
"
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#include "
framesync.h
"
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#include "
avfilter.h
"
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enum
interp_mode
{
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INTERPOLATE_NEAREST
,
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INTERPOLATE_TRILINEAR
,
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INTERPOLATE_TETRAHEDRAL
,
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INTERPOLATE_PYRAMID
,
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INTERPOLATE_PRISM
,
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NB_INTERP_MODE
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};
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struct
rgbvec
{
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float
r
,
g
,
b
;
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};
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/* 3D LUT don't often go up to level 32, but it is common to have a Hald CLUT
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* of 512x512 (64x64x64) */
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#define MAX_LEVEL 256
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#define PRELUT_SIZE 65536
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typedef
struct
Lut3DPreLut
{
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int
size
;
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float
min
[3];
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float
max
[3];
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float
scale
[3];
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float
*
lut
[3];
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}
Lut3DPreLut
;
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typedef
struct
LUT3DContext
{
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const
AVClass
*
class
;
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struct
rgbvec
*
lut
;
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int
lutsize
;
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int
lutsize2
;
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struct
rgbvec
scale
;
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int
interpolation
;
///<interp_mode
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char
*
file
;
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uint8_t
rgba_map
[4];
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int
step
;
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avfilter_action_func
*
interp
;
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Lut3DPreLut
prelut
;
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#if CONFIG_HALDCLUT_FILTER
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int
clut;
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int
got_clut;
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uint8_t clut_rgba_map[4];
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int
clut_step;
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int
clut_bits;
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int
clut_planar;
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int
clut_float;
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int
clut_width;
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FFFrameSync
fs
;
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#endif
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}
LUT3DContext
;
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typedef
struct
ThreadData
{
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AVFrame
*
in
, *
out
;
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}
ThreadData
;
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void
ff_lut3d_init_x86
(
LUT3DContext
*
s
,
const
AVPixFmtDescriptor
*
desc
);
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#endif
/* AVFILTER_LUT3D_H */
rgbvec
Definition:
lut3d.h:39
avfilter_action_func
int() avfilter_action_func(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
A function pointer passed to the AVFilterGraph::execute callback to be executed multiple times,...
Definition:
avfilter.h:838
LUT3DContext::lutsize2
int lutsize2
Definition:
lut3d.h:60
LUT3DContext::scale
struct rgbvec scale
Definition:
lut3d.h:61
AVFrame
This structure describes decoded (raw) audio or video data.
Definition:
frame.h:330
pixdesc.h
FFFrameSync
Frame sync structure.
Definition:
framesync.h:168
ThreadData::out
AVFrame * out
Definition:
af_adeclick.c:473
ThreadData::in
AVFrame * in
Definition:
af_adecorrelate.c:154
LUT3DContext
Definition:
lut3d.h:56
INTERPOLATE_PYRAMID
@ INTERPOLATE_PYRAMID
Definition:
lut3d.h:34
Lut3DPreLut::lut
float * lut[3]
Definition:
lut3d.h:53
INTERPOLATE_NEAREST
@ INTERPOLATE_NEAREST
Definition:
lut3d.h:31
LUT3DContext::file
char * file
Definition:
lut3d.h:63
Lut3DPreLut::scale
float scale[3]
Definition:
lut3d.h:52
s
#define s(width, name)
Definition:
cbs_vp9.c:256
INTERPOLATE_PRISM
@ INTERPOLATE_PRISM
Definition:
lut3d.h:35
Lut3DPreLut::size
int size
Definition:
lut3d.h:49
AVClass
Describe the class of an AVClass context structure.
Definition:
log.h:66
rgbvec::r
float r
Definition:
lut3d.h:40
fs
#define fs(width, name, subs,...)
Definition:
cbs_vp9.c:258
Lut3DPreLut::min
float min[3]
Definition:
lut3d.h:50
NB_INTERP_MODE
@ NB_INTERP_MODE
Definition:
lut3d.h:36
LUT3DContext::interp
avfilter_action_func * interp
Definition:
lut3d.h:66
ThreadData
Used for passing data between threads.
Definition:
dsddec.c:69
INTERPOLATE_TETRAHEDRAL
@ INTERPOLATE_TETRAHEDRAL
Definition:
lut3d.h:33
Lut3DPreLut::max
float max[3]
Definition:
lut3d.h:51
Lut3DPreLut
Definition:
lut3d.h:48
rgbvec::g
float g
Definition:
lut3d.h:40
LUT3DContext::prelut
Lut3DPreLut prelut
Definition:
lut3d.h:67
framesync.h
rgbvec::b
float b
Definition:
lut3d.h:40
avfilter.h
LUT3DContext::step
int step
Definition:
lut3d.h:65
interp_mode
interp_mode
Definition:
lut3d.h:30
desc
const char * desc
Definition:
libsvtav1.c:83
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition:
pixdesc.h:69
INTERPOLATE_TRILINEAR
@ INTERPOLATE_TRILINEAR
Definition:
lut3d.h:32
ff_lut3d_init_x86
void ff_lut3d_init_x86(LUT3DContext *s, const AVPixFmtDescriptor *desc)
Definition:
vf_lut3d_init.c:58
LUT3DContext::lutsize
int lutsize
Definition:
lut3d.h:59
LUT3DContext::lut
struct rgbvec * lut
Definition:
lut3d.h:58
LUT3DContext::interpolation
int interpolation
interp_mode
Definition:
lut3d.h:62
LUT3DContext::rgba_map
uint8_t rgba_map[4]
Definition:
lut3d.h:64
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