FFmpeg
Loading...
Searching...
No Matches
vf_tonemap_opencl.c File Reference
#include <float.h>
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "filters.h"
#include "opencl.h"
#include "opencl_source.h"
#include "video.h"
#include "colorspace.h"

Go to the source code of this file.

Data Structures

struct  TonemapOpenCLContext
 

Macros

#define DETECTION_FRAMES   63
 
#define OPENCL_SOURCE_NB   3
 
#define OFFSET(x)
 
#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
 

Enumerations

enum  TonemapAlgorithm {
  TONEMAP_NONE , TONEMAP_LINEAR , TONEMAP_GAMMA , TONEMAP_CLIP ,
  TONEMAP_REINHARD , TONEMAP_HABLE , TONEMAP_MOBIUS , TONEMAP_MAX
}
 

Functions

static int get_rgb2rgb_matrix (enum AVColorPrimaries in, enum AVColorPrimaries out, double rgb2rgb[3][3])
 
static int tonemap_opencl_init (AVFilterContext *avctx)
 
static int tonemap_opencl_config_output (AVFilterLink *outlink)
 
static int launch_kernel (AVFilterContext *avctx, cl_kernel kernel, AVFrame *output, AVFrame *input, float peak)
 
static int tonemap_opencl_filter_frame (AVFilterLink *inlink, AVFrame *input)
 
static av_cold void tonemap_opencl_uninit (AVFilterContext *avctx)
 
 AVFILTER_DEFINE_CLASS (tonemap_opencl)
 

Variables

static const char *const linearize_funcs []
 
static const char *const delinearize_funcs []
 
static const char *const tonemap_func [TONEMAP_MAX]
 
static const float sdr_avg = 0.25f
 
static const AVOption tonemap_opencl_options []
 
static const AVFilterPad tonemap_opencl_inputs []
 
static const AVFilterPad tonemap_opencl_outputs []
 
const FFFilter ff_vf_tonemap_opencl
 

Macro Definition Documentation

◆ DETECTION_FRAMES

#define DETECTION_FRAMES   63

Definition at line 38 of file vf_tonemap_opencl.c.

Referenced by tonemap_opencl_filter_frame(), and tonemap_opencl_init().

◆ OPENCL_SOURCE_NB

#define OPENCL_SOURCE_NB   3

Definition at line 112 of file vf_tonemap_opencl.c.

Referenced by tonemap_opencl_init().

◆ OFFSET

#define OFFSET ( x)
Value:

Definition at line 484 of file vf_tonemap_opencl.c.

◆ FLAGS

Definition at line 485 of file vf_tonemap_opencl.c.

Enumeration Type Documentation

◆ TonemapAlgorithm

Enumerator
TONEMAP_NONE 
TONEMAP_LINEAR 
TONEMAP_GAMMA 
TONEMAP_CLIP 
TONEMAP_REINHARD 
TONEMAP_HABLE 
TONEMAP_MOBIUS 
TONEMAP_MAX 

Definition at line 40 of file vf_tonemap_opencl.c.

Function Documentation

◆ get_rgb2rgb_matrix()

static int get_rgb2rgb_matrix ( enum AVColorPrimaries in,
enum AVColorPrimaries out,
double rgb2rgb[3][3] )
static

Definition at line 94 of file vf_tonemap_opencl.c.

Referenced by tonemap_opencl_init().

◆ tonemap_opencl_init()

static int tonemap_opencl_init ( AVFilterContext * avctx)
static

Definition at line 117 of file vf_tonemap_opencl.c.

Referenced by tonemap_opencl_filter_frame().

◆ tonemap_opencl_config_output()

static int tonemap_opencl_config_output ( AVFilterLink * outlink)
static

Definition at line 281 of file vf_tonemap_opencl.c.

◆ launch_kernel()

static int launch_kernel ( AVFilterContext * avctx,
cl_kernel kernel,
AVFrame * output,
AVFrame * input,
float peak )
static

Definition at line 305 of file vf_tonemap_opencl.c.

Referenced by tonemap_opencl_filter_frame().

◆ tonemap_opencl_filter_frame()

static int tonemap_opencl_filter_frame ( AVFilterLink * inlink,
AVFrame * input )
static

Definition at line 337 of file vf_tonemap_opencl.c.

◆ tonemap_opencl_uninit()

static av_cold void tonemap_opencl_uninit ( AVFilterContext * avctx)
static

Definition at line 460 of file vf_tonemap_opencl.c.

◆ AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS ( tonemap_opencl )

Variable Documentation

◆ linearize_funcs

const char* const linearize_funcs[]
static
Initial value:
= {
[AVCOL_TRC_SMPTE2084] = "eotf_st2084",
[AVCOL_TRC_ARIB_STD_B67] = "inverse_oetf_hlg",
}
@ AVCOL_TRC_SMPTE2084
SMPTE ST 2084 for 10-, 12-, 14- and 16-bit systems.
Definition pixfmt.h:689
@ AVCOL_TRC_ARIB_STD_B67
ARIB STD-B67, known as "Hybrid log-gamma".
Definition pixfmt.h:693

Definition at line 74 of file vf_tonemap_opencl.c.

Referenced by tonemap_opencl_init().

◆ delinearize_funcs

const char* const delinearize_funcs[]
static
Initial value:
= {
[AVCOL_TRC_BT709] = "inverse_eotf_bt1886",
[AVCOL_TRC_BT2020_10] = "inverse_eotf_bt1886",
}
@ AVCOL_TRC_BT2020_10
ITU-R BT2020 for 10-bit system.
Definition pixfmt.h:687
@ AVCOL_TRC_BT709
also ITU-R BT1361
Definition pixfmt.h:674

Definition at line 79 of file vf_tonemap_opencl.c.

Referenced by tonemap_opencl_init().

◆ tonemap_func

const char* const tonemap_func[TONEMAP_MAX]
static
Initial value:
= {
[TONEMAP_NONE] = "direct",
[TONEMAP_LINEAR] = "linear",
[TONEMAP_GAMMA] = "gamma",
[TONEMAP_CLIP] = "clip",
[TONEMAP_REINHARD] = "reinhard",
[TONEMAP_HABLE] = "hable",
[TONEMAP_MOBIUS] = "mobius",
}
@ TONEMAP_HABLE
Definition vf_tonemap.c:48
@ TONEMAP_LINEAR
Definition vf_tonemap.c:44
@ TONEMAP_MOBIUS
Definition vf_tonemap.c:49
@ TONEMAP_REINHARD
Definition vf_tonemap.c:47
@ TONEMAP_NONE
Definition vf_tonemap.c:43
@ TONEMAP_CLIP
Definition vf_tonemap.c:46
@ TONEMAP_GAMMA
Definition vf_tonemap.c:45

Definition at line 84 of file vf_tonemap_opencl.c.

Referenced by tonemap_opencl_init().

◆ sdr_avg

const float sdr_avg = 0.25f
static

Definition at line 115 of file vf_tonemap_opencl.c.

Referenced by tonemap_opencl_init().

◆ tonemap_opencl_options

const AVOption tonemap_opencl_options[]
static

Definition at line 486 of file vf_tonemap_opencl.c.

◆ tonemap_opencl_inputs

const AVFilterPad tonemap_opencl_inputs[]
static
Initial value:
= {
{
.name = "default",
.filter_frame = &tonemap_opencl_filter_frame,
},
}
@ AVMEDIA_TYPE_VIDEO
Definition avutil.h:200
int ff_opencl_filter_config_input(AVFilterLink *inlink)
Check that the input link contains a suitable hardware frames context and extract the device from it.
Definition opencl.c:46
static int tonemap_opencl_filter_frame(AVFilterLink *inlink, AVFrame *input)

Definition at line 523 of file vf_tonemap_opencl.c.

◆ tonemap_opencl_outputs

const AVFilterPad tonemap_opencl_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = &tonemap_opencl_config_output,
},
}
static int tonemap_opencl_config_output(AVFilterLink *outlink)

Definition at line 532 of file vf_tonemap_opencl.c.

◆ ff_vf_tonemap_opencl

const FFFilter ff_vf_tonemap_opencl
Initial value:
= {
.p.name = "tonemap_opencl",
.p.description = NULL_IF_CONFIG_SMALL("Perform HDR to SDR conversion with tonemapping."),
.p.priv_class = &tonemap_opencl_class,
.priv_size = sizeof(TonemapOpenCLContext),
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}
int(* init)(AVBSFContext *ctx)
Definition dts2pts.c:608
#define AVFILTER_FLAG_HWDEVICE
The filter can create hardware frames using AVFilterContext.hw_device_ctx.
Definition avfilter.h:187
static av_cold void uninit(AVBitStreamFilterContext *ctx)
#define FILTER_INPUTS(array)
Definition filters.h:264
#define FILTER_OUTPUTS(array)
Definition filters.h:265
#define FF_FILTER_FLAG_HWFRAME_AWARE
The filter is aware of hardware frames, and any hardware frame context should not be automatically pr...
Definition filters.h:208
#define FILTER_SINGLE_PIXFMT(pix_fmt_)
Definition filters.h:254
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition internal.h:88
int ff_opencl_filter_init(AVFilterContext *avctx)
Initialise an OpenCL filter context.
Definition opencl.c:135
@ AV_PIX_FMT_OPENCL
Hardware surfaces for OpenCL.
Definition pixfmt.h:358
static const AVFilterPad tonemap_opencl_outputs[]
static av_cold void tonemap_opencl_uninit(AVFilterContext *avctx)
static const AVFilterPad tonemap_opencl_inputs[]

Definition at line 540 of file vf_tonemap_opencl.c.