vf_sr_amf.c File Reference

#include <stdio.h>
#include <string.h>
#include "libavutil/avassert.h"
#include "libavutil/imgutils.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/time.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_amf.h"
#include "libavutil/hwcontext_amf_internal.h"
#include "AMF/components/HQScaler.h"
#include "AMF/components/ColorSpace.h"
#include "vf_amf_common.h"
#include "avfilter.h"
#include "avfilter_internal.h"
#include "formats.h"
#include "video.h"

Go to the source code of this file.

Macros
#define	OFFSET(x)   offsetof(AMFFilterContext, x)
#define	FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Functions
static int	amf_filter_query_formats (AVFilterContext *avctx)
static int	amf_filter_config_output (AVFilterLink *outlink)
	AVFILTER_DEFINE_CLASS (sr_amf)

Variables
static const AVOption	sr_amf_options []
static const AVFilterPad	amf_filter_inputs []
static const AVFilterPad	amf_filter_outputs []
FFFilter	ff_vf_sr_amf

Detailed Description

Super resolution video filter with AMF hardware acceleration

Definition in file vf_sr_amf.c.

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(AMFFilterContext, x)

Definition at line 131 of file vf_sr_amf.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM

Definition at line 132 of file vf_sr_amf.c.

Function Documentation

amf_filter_query_formats()

static int amf_filter_query_formats ( AVFilterContext *  avctx )

static

Definition at line 55 of file vf_sr_amf.c.

amf_filter_config_output()

static int amf_filter_config_output ( AVFilterLink *  outlink )

static

Definition at line 83 of file vf_sr_amf.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

sr_amf

)

Variable Documentation

sr_amf_options

const AVOption sr_amf_options[]

static

Initial value:

= {
    { "w",              "Output video width",   OFFSET(w_expr),     AV_OPT_TYPE_STRING, { .str = "iw"   }, .flags = FLAGS },
    { "h",              "Output video height",  OFFSET(h_expr),     AV_OPT_TYPE_STRING, { .str = "ih"   }, .flags = FLAGS },
 
    { "format",         "Output pixel format",  OFFSET(format_str), AV_OPT_TYPE_STRING, { .str = "same" }, .flags = FLAGS },
    { "sharpness",      "Sharpness",            OFFSET(sharpness),  AV_OPT_TYPE_FLOAT,  { .dbl = -1 }, -1, 2., FLAGS, "sharpness" },
    { "keep-ratio",     "Keep aspect ratio",    OFFSET(keep_ratio), AV_OPT_TYPE_BOOL, { .i64 = 0  },  0, 1, FLAGS, "keep_ration" },
    { "fill",           "Fill",                 OFFSET(fill),       AV_OPT_TYPE_BOOL, { .i64 = 0  },  0, 1, FLAGS, "fill" },
 
    { "algorithm",      "Scaling algorithm",    OFFSET(algorithm),      AV_OPT_TYPE_INT,   { .i64 = -1 }, -1, AMF_HQ_SCALER_ALGORITHM_VIDEOSR1_1, FLAGS, "algorithm" },
    { "bilinear",       "Bilinear",             0,  AV_OPT_TYPE_CONST, { .i64 = AMF_HQ_SCALER_ALGORITHM_BILINEAR }, 0, 0, FLAGS, "algorithm" },
    { "bicubic",        "Bicubic",              0,  AV_OPT_TYPE_CONST, { .i64 = AMF_HQ_SCALER_ALGORITHM_BICUBIC }, 0, 0, FLAGS, "algorithm" },
    { "sr1-0",          "Video SR1.0",          0,  AV_OPT_TYPE_CONST, { .i64 = AMF_HQ_SCALER_ALGORITHM_VIDEOSR1_0 }, 0, 0, FLAGS, "algorithm" },
    { "point",          "Point",                0,  AV_OPT_TYPE_CONST, { .i64 = AMF_HQ_SCALER_ALGORITHM_POINT }, 0, 0, FLAGS, "algorithm" },
    { "sr1-1",          "Video SR1.1",          0,  AV_OPT_TYPE_CONST, { .i64 = AMF_HQ_SCALER_ALGORITHM_VIDEOSR1_1 }, 0, 0, FLAGS, "algorithm" },
 
    { NULL },
}

Definition at line 133 of file vf_sr_amf.c.

amf_filter_inputs

const AVFilterPad amf_filter_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = amf_filter_filter_frame,
    }
}

Definition at line 155 of file vf_sr_amf.c.

amf_filter_outputs

const AVFilterPad amf_filter_outputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = amf_filter_config_output,
    }
}

Definition at line 163 of file vf_sr_amf.c.

ff_vf_sr_amf

FFFilter ff_vf_sr_amf

Initial value:

= {
    .p.name      = "sr_amf",
    .p.description = NULL_IF_CONFIG_SMALL("AMF HQ video upscaling"),
    .p.priv_class = &sr_amf_class,
    .p.flags          = AVFILTER_FLAG_HWDEVICE,
    .priv_size = sizeof(AMFFilterContext),
 
    .init          = amf_filter_init,
    .uninit        = amf_filter_uninit,
    FILTER_INPUTS(amf_filter_inputs),
    FILTER_OUTPUTS(amf_filter_outputs),
    FILTER_QUERY_FUNC(&amf_filter_query_formats),
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_AMF_SURFACE),
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 171 of file vf_sr_amf.c.