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 "internal.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)   offsetof(TonemapOpenCLContext, 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,   TONEMAP_NONE, TONEMAP_LINEAR, TONEMAP_GAMMA, TONEMAP_CLIP,   TONEMAP_REINHARD, TONEMAP_HABLE, TONEMAP_MOBIUS, TONEMAP_MAX }

Functions
static void	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 [AVCOL_TRC_NB]
static const char *const	delinearize_funcs [AVCOL_TRC_NB]
static const struct PrimaryCoefficients	primaries_table [AVCOL_PRI_NB]
static const struct WhitepointCoefficients	whitepoint_table [AVCOL_PRI_NB]
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 AVFilter	ff_vf_tonemap_opencl

Macro Definition Documentation

DETECTION_FRAMES

#define DETECTION_FRAMES   63

Definition at line 38 of file vf_tonemap_opencl.c.

OPENCL_SOURCE_NB

#define OPENCL_SOURCE_NB   3

Definition at line 113 of file vf_tonemap_opencl.c.

OFFSET

#define OFFSET

(

x

)

offsetof(TonemapOpenCLContext, x)

Definition at line 484 of file vf_tonemap_opencl.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 485 of file vf_tonemap_opencl.c.

Enumeration Type Documentation

TonemapAlgorithm

enum TonemapAlgorithm

Enumerator
TONEMAP_NONE
TONEMAP_LINEAR
TONEMAP_GAMMA
TONEMAP_CLIP
TONEMAP_REINHARD
TONEMAP_HABLE
TONEMAP_MOBIUS
TONEMAP_MAX
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 void get_rgb2rgb_matrix ( enum AVColorPrimaries  in, enum AVColorPrimaries  out, double  rgb2rgb[3][3]  )

static

Definition at line 103 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 118 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[AVCOL_TRC_NB]

static

Initial value:

= {
    [AVCOL_TRC_SMPTE2084] = "eotf_st2084",
    [AVCOL_TRC_ARIB_STD_B67] = "inverse_oetf_hlg",
}

Definition at line 73 of file vf_tonemap_opencl.c.

Referenced by tonemap_opencl_init().

delinearize_funcs

const char* const delinearize_funcs[AVCOL_TRC_NB]

static

Initial value:

= {
    [AVCOL_TRC_BT709]     = "inverse_eotf_bt1886",
    [AVCOL_TRC_BT2020_10] = "inverse_eotf_bt1886",
}

Definition at line 78 of file vf_tonemap_opencl.c.

Referenced by tonemap_opencl_init().

primaries_table

const struct PrimaryCoefficients primaries_table[AVCOL_PRI_NB]

static

Initial value:

= {
    [AVCOL_PRI_BT709]  = { 0.640, 0.330, 0.300, 0.600, 0.150, 0.060 },
    [AVCOL_PRI_BT2020] = { 0.708, 0.292, 0.170, 0.797, 0.131, 0.046 },
}

Definition at line 83 of file vf_tonemap_opencl.c.

Referenced by get_rgb2rgb_matrix().

whitepoint_table

const struct WhitepointCoefficients whitepoint_table[AVCOL_PRI_NB]

static

Initial value:

= {
    [AVCOL_PRI_BT709]  = { 0.3127, 0.3290 },
    [AVCOL_PRI_BT2020] = { 0.3127, 0.3290 },
}

Definition at line 88 of file vf_tonemap_opencl.c.

Referenced by get_rgb2rgb_matrix().

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",
}

Definition at line 93 of file vf_tonemap_opencl.c.

Referenced by tonemap_opencl_init().

sdr_avg

const float sdr_avg = 0.25f

static

Definition at line 116 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",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = &tonemap_opencl_filter_frame,
        .config_props = &ff_opencl_filter_config_input,
    },
}

Definition at line 523 of file vf_tonemap_opencl.c.

tonemap_opencl_outputs

const AVFilterPad tonemap_opencl_outputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = &tonemap_opencl_config_output,
    },
}

Definition at line 532 of file vf_tonemap_opencl.c.

ff_vf_tonemap_opencl

const AVFilter ff_vf_tonemap_opencl

Initial value:

= {
    .name           = "tonemap_opencl",
    .description    = NULL_IF_CONFIG_SMALL("Perform HDR to SDR conversion with tonemapping."),
    .priv_size      = sizeof(TonemapOpenCLContext),
    .priv_class     = &tonemap_opencl_class,
    .init           = &ff_opencl_filter_init,
    .uninit         = &tonemap_opencl_uninit,
    FILTER_INPUTS(tonemap_opencl_inputs),
    FILTER_OUTPUTS(tonemap_opencl_outputs),
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_OPENCL),
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 540 of file vf_tonemap_opencl.c.