vf_pad_opencl.c File Reference

#include "libavutil/colorspace.h"
#include "libavutil/eval.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "drawutils.h"
#include "filters.h"
#include "opencl.h"
#include "opencl_source.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	PadOpenCLContext

Macros
#define	OFFSET(x)
#define	FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Enumerations
enum	var_name {   VAR_IN_W , VAR_IW , VAR_IN_H , VAR_IH ,   VAR_OUT_W , VAR_OW , VAR_OUT_H , VAR_OH ,   VAR_X , VAR_Y , VAR_A , VAR_SAR ,   VAR_DAR , VARS_NB }

Functions
static int	pad_opencl_init (AVFilterContext *avctx, AVFrame *input_frame)
static int	filter_frame (AVFilterLink *link, AVFrame *input_frame)
static av_cold void	pad_opencl_uninit (AVFilterContext *avctx)
static int	pad_opencl_config_output (AVFilterLink *outlink)
	AVFILTER_DEFINE_CLASS (pad_opencl)

Variables
static const char *const	var_names []
static const AVFilterPad	pad_opencl_inputs []
static const AVFilterPad	pad_opencl_outputs []
static const AVOption	pad_opencl_options []
const FFFilter	ff_vf_pad_opencl

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(PadOpenCLContext, x)

Definition at line 366 of file vf_pad_opencl.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM

Definition at line 367 of file vf_pad_opencl.c.

Enumeration Type Documentation

var_name

enum var_name

Enumerator
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_X
VAR_Y
VAR_A
VAR_SAR
VAR_DAR
VARS_NB

Definition at line 43 of file vf_pad_opencl.c.

Function Documentation

pad_opencl_init()

static int pad_opencl_init ( AVFilterContext * avctx, AVFrame * input_frame )

static

Definition at line 80 of file vf_pad_opencl.c.

Referenced by filter_frame().

filter_frame()

static int filter_frame ( AVFilterLink * link, AVFrame * input_frame )

static

Definition at line 141 of file vf_pad_opencl.c.

pad_opencl_uninit()

static av_cold void pad_opencl_uninit ( AVFilterContext * avctx )

static

Definition at line 226 of file vf_pad_opencl.c.

pad_opencl_config_output()

static int pad_opencl_config_output ( AVFilterLink * outlink )

static

Definition at line 248 of file vf_pad_opencl.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

pad_opencl

)

Variable Documentation

var_names

const char* const var_names[]

static

Initial value:

= {
    "in_w",   "iw",
    "in_h",   "ih",
    "out_w",  "ow",
    "out_h",  "oh",
    "x",
    "y",
    "a",
    "sar",
    "dar",
    NULL
}

Definition at line 30 of file vf_pad_opencl.c.

pad_opencl_inputs

const AVFilterPad pad_opencl_inputs[]

static

Initial value:

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

Definition at line 349 of file vf_pad_opencl.c.

pad_opencl_outputs

const AVFilterPad pad_opencl_outputs[]

static

Initial value:

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

Definition at line 358 of file vf_pad_opencl.c.

pad_opencl_options

const AVOption pad_opencl_options[]

static

Initial value:

= {
    { "width",  "set the pad area width",       OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, 0, 0, FLAGS },
    { "w",      "set the pad area width",       OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, 0, 0, FLAGS },
    { "height", "set the pad area height",      OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, 0, 0, FLAGS },
    { "h",      "set the pad area height",      OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, 0, 0, FLAGS },
    { "x",      "set the x offset for the input image position", OFFSET(x_expr), AV_OPT_TYPE_STRING, {.str = "0"}, 0, INT16_MAX, FLAGS },
    { "y",      "set the y offset for the input image position", OFFSET(y_expr), AV_OPT_TYPE_STRING, {.str = "0"}, 0, INT16_MAX, FLAGS },
    { "color", "set the color of the padded area border", OFFSET(pad_rgba), AV_OPT_TYPE_COLOR, { .str = "black" }, 0, 0, FLAGS },
    { "aspect",  "pad to fit an aspect instead of a resolution", OFFSET(aspect), AV_OPT_TYPE_RATIONAL, {.dbl = 0}, 0, INT16_MAX, FLAGS },
    { NULL }
}

Definition at line 369 of file vf_pad_opencl.c.

ff_vf_pad_opencl

const FFFilter ff_vf_pad_opencl

Initial value:

= {
    .p.name         = "pad_opencl",
    .p.description  = NULL_IF_CONFIG_SMALL("Pad the input video."),
    .p.priv_class   = &pad_opencl_class,
    .p.flags        = AVFILTER_FLAG_HWDEVICE,
    .priv_size      = sizeof(PadOpenCLContext),
    .init           = &ff_opencl_filter_init,
    .uninit         = &pad_opencl_uninit,
    FILTER_INPUTS(pad_opencl_inputs),
    FILTER_OUTPUTS(pad_opencl_outputs),
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_OPENCL),
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 383 of file vf_pad_opencl.c.