FFmpeg
Data Structures | Macros | Enumerations | Functions | Variables
vf_colorcorrect.c File Reference
#include <float.h>
#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures

struct  ColorCorrectContext
 

Macros

#define PROCESS()
 
#define OFFSET(x)   offsetof(ColorCorrectContext, x)
 
#define VF   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
 

Enumerations

enum  AnalyzeMode {
  MANUAL, AVERAGE, MINMAX, MEDIAN,
  NB_ANALYZE
}
 

Functions

static int average_slice8 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 
static int average_slice16 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 
static int minmax_slice8 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 
static int minmax_slice16 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 
static int median_8 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 
static int median_16 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 
static int colorcorrect_slice8 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 
static int colorcorrect_slice16 (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 
static int filter_frame (AVFilterLink *inlink, AVFrame *frame)
 
static av_cold int config_input (AVFilterLink *inlink)
 
static av_cold void uninit (AVFilterContext *ctx)
 
 AVFILTER_DEFINE_CLASS (colorcorrect)
 

Variables

static enum AVPixelFormat pixel_fmts []
 
static const AVFilterPad colorcorrect_inputs []
 
static const AVFilterPad colorcorrect_outputs []
 
static const AVOption colorcorrect_options []
 
const AVFilter ff_vf_colorcorrect
 

Macro Definition Documentation

◆ PROCESS

#define PROCESS ( )
Value:
float y = yptr[x * chroma_w] * imax; \
float u = uptr[x] * imax - .5f; \
float v = vptr[x] * imax - .5f; \
float nu, nv; \
\
nu = saturation * (u + y * bd + bl); \
nv = saturation * (v + y * rd + rl);

Definition at line 306 of file vf_colorcorrect.c.

◆ OFFSET

#define OFFSET (   x)    offsetof(ColorCorrectContext, x)

Definition at line 520 of file vf_colorcorrect.c.

◆ VF

Definition at line 521 of file vf_colorcorrect.c.

Enumeration Type Documentation

◆ AnalyzeMode

Enumerator
MANUAL 
AVERAGE 
MINMAX 
MEDIAN 
NB_ANALYZE 

Definition at line 30 of file vf_colorcorrect.c.

Function Documentation

◆ average_slice8()

static int average_slice8 ( AVFilterContext ctx,
void *  arg,
int  jobnr,
int  nb_jobs 
)
static

Definition at line 64 of file vf_colorcorrect.c.

Referenced by config_input().

◆ average_slice16()

static int average_slice16 ( AVFilterContext ctx,
void *  arg,
int  jobnr,
int  nb_jobs 
)
static

Definition at line 95 of file vf_colorcorrect.c.

Referenced by config_input().

◆ minmax_slice8()

static int minmax_slice8 ( AVFilterContext ctx,
void *  arg,
int  jobnr,
int  nb_jobs 
)
static

Definition at line 126 of file vf_colorcorrect.c.

Referenced by config_input().

◆ minmax_slice16()

static int minmax_slice16 ( AVFilterContext ctx,
void *  arg,
int  jobnr,
int  nb_jobs 
)
static

Definition at line 162 of file vf_colorcorrect.c.

Referenced by config_input().

◆ median_8()

static int median_8 ( AVFilterContext ctx,
void *  arg,
int  jobnr,
int  nb_jobs 
)
static

Definition at line 198 of file vf_colorcorrect.c.

Referenced by config_input().

◆ median_16()

static int median_16 ( AVFilterContext ctx,
void *  arg,
int  jobnr,
int  nb_jobs 
)
static

Definition at line 252 of file vf_colorcorrect.c.

Referenced by config_input().

◆ colorcorrect_slice8()

static int colorcorrect_slice8 ( AVFilterContext ctx,
void *  arg,
int  jobnr,
int  nb_jobs 
)
static

Definition at line 315 of file vf_colorcorrect.c.

Referenced by config_input().

◆ colorcorrect_slice16()

static int colorcorrect_slice16 ( AVFilterContext ctx,
void *  arg,
int  jobnr,
int  nb_jobs 
)
static

Definition at line 355 of file vf_colorcorrect.c.

Referenced by config_input().

◆ filter_frame()

static int filter_frame ( AVFilterLink inlink,
AVFrame frame 
)
static

Definition at line 396 of file vf_colorcorrect.c.

◆ config_input()

static av_cold int config_input ( AVFilterLink inlink)
static

Definition at line 447 of file vf_colorcorrect.c.

◆ uninit()

static av_cold void uninit ( AVFilterContext ctx)
static

Definition at line 496 of file vf_colorcorrect.c.

◆ AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS ( colorcorrect  )

Variable Documentation

◆ pixel_fmts

enum AVPixelFormat pixel_fmts[]
static

◆ colorcorrect_inputs

const AVFilterPad colorcorrect_inputs[]
static
Initial value:
= {
{
.name = "default",
.filter_frame = filter_frame,
.config_props = config_input,
},
}

Definition at line 503 of file vf_colorcorrect.c.

◆ colorcorrect_outputs

const AVFilterPad colorcorrect_outputs[]
static
Initial value:
= {
{
.name = "default",
},
}

Definition at line 513 of file vf_colorcorrect.c.

◆ colorcorrect_options

const AVOption colorcorrect_options[]
static
Initial value:
= {
{ "rl", "set the red shadow spot", OFFSET(rl), AV_OPT_TYPE_FLOAT, {.dbl=0}, -1, 1, VF },
{ "bl", "set the blue shadow spot", OFFSET(bl), AV_OPT_TYPE_FLOAT, {.dbl=0}, -1, 1, VF },
{ "rh", "set the red highlight spot", OFFSET(rh), AV_OPT_TYPE_FLOAT, {.dbl=0}, -1, 1, VF },
{ "bh", "set the blue highlight spot", OFFSET(bh), AV_OPT_TYPE_FLOAT, {.dbl=0}, -1, 1, VF },
{ "saturation", "set the amount of saturation", OFFSET(saturation), AV_OPT_TYPE_FLOAT, {.dbl=1}, -3, 3, VF },
{ "analyze", "set the analyze mode", OFFSET(analyze), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_ANALYZE-1, VF, "analyze" },
{ "manual", "manually set options", 0, AV_OPT_TYPE_CONST, {.i64=MANUAL}, 0, 0, VF, "analyze" },
{ "average", "use average pixels", 0, AV_OPT_TYPE_CONST, {.i64=AVERAGE}, 0, 0, VF, "analyze" },
{ "minmax", "use minmax pixels", 0, AV_OPT_TYPE_CONST, {.i64=MINMAX}, 0, 0, VF, "analyze" },
{ "median", "use median pixels", 0, AV_OPT_TYPE_CONST, {.i64=MEDIAN}, 0, 0, VF, "analyze" },
{ NULL }
}

Definition at line 523 of file vf_colorcorrect.c.

◆ ff_vf_colorcorrect

const AVFilter ff_vf_colorcorrect
Initial value:
= {
.name = "colorcorrect",
.description = NULL_IF_CONFIG_SMALL("Adjust color white balance selectively for blacks and whites."),
.priv_size = sizeof(ColorCorrectContext),
.priv_class = &colorcorrect_class,
.process_command = ff_filter_process_command,
}

Definition at line 539 of file vf_colorcorrect.c.

AV_PIX_FMT_YUVA422P16
#define AV_PIX_FMT_YUVA422P16
Definition: pixfmt.h:434
VF
#define VF
Definition: vf_colorcorrect.c:521
u
#define u(width, name, range_min, range_max)
Definition: cbs_h2645.c:264
FILTER_PIXFMTS_ARRAY
#define FILTER_PIXFMTS_ARRAY(array)
Definition: internal.h:171
AV_PIX_FMT_YUVA422P9
#define AV_PIX_FMT_YUVA422P9
Definition: pixfmt.h:426
AV_PIX_FMT_YUVA420P16
#define AV_PIX_FMT_YUVA420P16
Definition: pixfmt.h:433
AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:428
colorcorrect_inputs
static const AVFilterPad colorcorrect_inputs[]
Definition: vf_colorcorrect.c:503
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:391
AV_PIX_FMT_YUV440P
@ AV_PIX_FMT_YUV440P
planar YUV 4:4:0 (1 Cr & Cb sample per 1x2 Y samples)
Definition: pixfmt.h:99
AV_PIX_FMT_YUVA422P10
#define AV_PIX_FMT_YUVA422P10
Definition: pixfmt.h:429
config_input
static av_cold int config_input(AVFilterLink *inlink)
Definition: vf_colorcorrect.c:447
AV_PIX_FMT_YUVA420P9
#define AV_PIX_FMT_YUVA420P9
Definition: pixfmt.h:425
AV_PIX_FMT_YUVA444P16
#define AV_PIX_FMT_YUVA444P16
Definition: pixfmt.h:435
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:389
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:394
AV_PIX_FMT_YUVJ411P
@ AV_PIX_FMT_YUVJ411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples) full scale (JPEG), deprecated in favor ...
Definition: pixfmt.h:248
ColorCorrectContext
Definition: vf_colorcorrect.c:38
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:403
MEDIAN
@ MEDIAN
Definition: vf_colorcorrect.c:34
AV_PIX_FMT_YUVJ422P
@ AV_PIX_FMT_YUVJ422P
planar YUV 4:2:2, 16bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV422P and setting col...
Definition: pixfmt.h:79
AV_PIX_FMT_YUVA420P
@ AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:101
AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:404
AV_PIX_FMT_YUVA444P12
#define AV_PIX_FMT_YUVA444P12
Definition: pixfmt.h:432
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:388
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:402
AV_PIX_FMT_YUV420P
@ AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:66
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: internal.h:191
AV_PIX_FMT_YUVJ444P
@ AV_PIX_FMT_YUVJ444P
planar YUV 4:4:4, 24bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV444P and setting col...
Definition: pixfmt.h:80
NULL
#define NULL
Definition: coverity.c:32
NB_ANALYZE
@ NB_ANALYZE
Definition: vf_colorcorrect.c:35
AV_PIX_FMT_YUVJ420P
@ AV_PIX_FMT_YUVJ420P
planar YUV 4:2:0, 12bpp, full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV420P and setting col...
Definition: pixfmt.h:78
AV_PIX_FMT_YUV440P10
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:393
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:392
AVERAGE
@ AVERAGE
Definition: vf_colorcorrect.c:32
pixel_fmts
static enum AVPixelFormat pixel_fmts[]
Definition: vf_colorcorrect.c:431
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:396
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:398
ff_filter_process_command
int ff_filter_process_command(AVFilterContext *ctx, const char *cmd, const char *arg, char *res, int res_len, int flags)
Generic processing of user supplied commands that are set in the same way as the filter options.
Definition: avfilter.c:882
AV_PIX_FMT_YUVA444P
@ AV_PIX_FMT_YUVA444P
planar YUV 4:4:4 32bpp, (1 Cr & Cb sample per 1x1 Y & A samples)
Definition: pixfmt.h:167
AV_PIX_FMT_YUVA444P10
#define AV_PIX_FMT_YUVA444P10
Definition: pixfmt.h:430
AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
#define AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC
Some filters support a generic "enable" expression option that can be used to enable or disable a fil...
Definition: avfilter.h:130
AV_OPT_TYPE_FLOAT
@ AV_OPT_TYPE_FLOAT
Definition: opt.h:227
filter_frame
static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
Definition: vf_colorcorrect.c:396
AV_PIX_FMT_YUVJ440P
@ AV_PIX_FMT_YUVJ440P
planar YUV 4:4:0 full scale (JPEG), deprecated in favor of AV_PIX_FMT_YUV440P and setting color_range
Definition: pixfmt.h:100
MINMAX
@ MINMAX
Definition: vf_colorcorrect.c:33
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:390
AV_PIX_FMT_YUVA444P9
#define AV_PIX_FMT_YUVA444P9
Definition: pixfmt.h:427
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:395
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:400
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_colorcorrect.c:496
AV_PIX_FMT_NONE
@ AV_PIX_FMT_NONE
Definition: pixfmt.h:65
AV_PIX_FMT_YUVA422P12
#define AV_PIX_FMT_YUVA422P12
Definition: pixfmt.h:431
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:224
AV_PIX_FMT_YUV444P
@ AV_PIX_FMT_YUV444P
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:71
AVFILTER_FLAG_SLICE_THREADS
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:121
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
AV_PIX_FMT_YUV422P
@ AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: internal.h:192
MANUAL
@ MANUAL
Definition: vf_colorcorrect.c:31
colorcorrect_outputs
static const AVFilterPad colorcorrect_outputs[]
Definition: vf_colorcorrect.c:513
AV_PIX_FMT_YUV411P
@ AV_PIX_FMT_YUV411P
planar YUV 4:1:1, 12bpp, (1 Cr & Cb sample per 4x1 Y samples)
Definition: pixfmt.h:73
AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:397
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:401
analyze
static int analyze(const uint8_t *buf, int size, int packet_size, int probe)
Definition: mpegts.c:574
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:233
OFFSET
#define OFFSET(x)
Definition: vf_colorcorrect.c:520
AV_PIX_FMT_YUVA422P
@ AV_PIX_FMT_YUVA422P
planar YUV 4:2:2 24bpp, (1 Cr & Cb sample per 2x1 Y & A samples)
Definition: pixfmt.h:166
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:399
AVFILTERPAD_FLAG_NEEDS_WRITABLE
#define AVFILTERPAD_FLAG_NEEDS_WRITABLE
The filter expects writable frames from its input link, duplicating data buffers if needed.
Definition: internal.h:69