vf_vpp_qsv.c File Reference

Hardware accelerated common filters based on Intel Quick Sync Video VPP. More...

#include <float.h>
#include "config_components.h"
#include "libavutil/opt.h"
#include "libavutil/eval.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_qsv.h"
#include "libavutil/pixdesc.h"
#include "libavutil/mathematics.h"
#include "libavutil/mastering_display_metadata.h"
#include "formats.h"
#include "avfilter.h"
#include "filters.h"
#include "qsvvpp.h"
#include "transpose.h"

Go to the source code of this file.

Data Structures
struct	VPPContext

Macros
#define	OFFSET(x)
#define	FLAGS   (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM)
#define	ENH_FILTERS_COUNT   (8)
#define	PASS_EXPR(e, s)
#define	CALC_EXPR(e, v, i, d)
#define	STRING_OPTION(var_name, func_name, default_value)
#define	INIT_MFX_EXTBUF(extbuf, id)
#define	SET_MFX_PARAM_FIELD(extbuf, field, value)
#define	DEFINE_QSV_FILTER(x, sn, ln, fmts)

Enumerations
enum	var_name {   VAR_IW , VAR_IN_W , VAR_IH , VAR_IN_H ,   VAR_OW , VAR_OUT_W , VAR_W , VAR_OH ,   VAR_OUT_H , VAR_H , VAR_CW , VAR_CH ,   VAR_CX , VAR_CY , VAR_A , VAR_DAR ,   VAR_SAR , VAR_VARS_NB }

Functions
static int	eval_expr (AVFilterContext *ctx)
static av_cold int	vpp_preinit (AVFilterContext *ctx)
static av_cold int	vpp_init (AVFilterContext *ctx)
static int	config_input (AVFilterLink *inlink)
static mfxStatus	get_mfx_version (const AVFilterContext *ctx, mfxVersion *mfx_version)
static int	vpp_set_frame_ext_params (AVFilterContext *ctx, const AVFrame *in, AVFrame *out, QSVVPPFrameParam *fp)
static int	config_output (AVFilterLink *outlink)
static int	activate (AVFilterContext *ctx)
static av_cold void	vpp_uninit (AVFilterContext *ctx)

Variables
static const char *const	var_names []
static const AVFilterPad	vpp_inputs []
static const AVFilterPad	vpp_outputs []

Detailed Description

Hardware accelerated common filters based on Intel Quick Sync Video VPP.

Definition in file vf_vpp_qsv.c.

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

Value:

offsetof(VPPContext, x)

Definition at line 43 of file vf_vpp_qsv.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_FILTERING_PARAM)

Definition at line 44 of file vf_vpp_qsv.c.

ENH_FILTERS_COUNT

#define ENH_FILTERS_COUNT   (8)

Definition at line 47 of file vf_vpp_qsv.c.

Referenced by config_output().

PASS_EXPR

#define PASS_EXPR	(		e,
			s )

Value:

    {\
    if (s) {\
        ret = av_expr_parse(&e, s, var_names, NULL, NULL, NULL, NULL, 0, ctx); \
        if (ret < 0) {                                                  \
            av_log(ctx, AV_LOG_ERROR, "Error when passing '%s'.\n", s); \
            goto release;                                               \
        }                                                               \
    }\
}

Referenced by eval_expr().

CALC_EXPR

#define CALC_EXPR	(		e,
			v,
			i,
			d )

Value:

    {\
    if (e)\
        i = v = av_expr_eval(e, var_values, NULL);      \
    else\
        i = v = d;\
}

Referenced by eval_expr().

STRING_OPTION

#define STRING_OPTION	(		var_name,
			func_name,
			default_value )

Value:

        do {          \
        if (vpp->var_name ## _str) {                                    \
            int var = av_ ## func_name ## _from_name(vpp->var_name ## _str); \
            if (var < 0) {                                              \
                av_log(ctx, AV_LOG_ERROR, "Invalid %s.\n", #var_name);  \
                return AVERROR(EINVAL);                                 \
            }                                                           \
            vpp->var_name = var;                                        \
        } else {                                                        \
            vpp->var_name = default_value;                              \
        }                                                               \
    } while (0)

Referenced by vpp_init().

INIT_MFX_EXTBUF

#define INIT_MFX_EXTBUF	(		extbuf,
			id )

Value:

        do { \
        memset(&vpp->extbuf, 0, sizeof(vpp->extbuf)); \
        vpp->extbuf.Header.BufferId = id; \
        vpp->extbuf.Header.BufferSz = sizeof(vpp->extbuf); \
        param.ext_buf[param.num_ext_buf++] = (mfxExtBuffer*)&vpp->extbuf; \
    } while (0)

Referenced by config_output().

SET_MFX_PARAM_FIELD

#define SET_MFX_PARAM_FIELD	(		extbuf,
			field,
			value )

Value:

        do { \
        vpp->extbuf.field = value; \
    } while (0)

Referenced by config_output().

DEFINE_QSV_FILTER

#define DEFINE_QSV_FILTER	(		x,
			sn,
			ln,
			fmts )

Value:

static const AVClass x##_class = { \
    .class_name = #sn "_qsv", \
    .item_name  = av_default_item_name, \
    .option     = x##_options, \
    .version    = LIBAVUTIL_VERSION_INT, \
}; \
const FFFilter ff_vf_##sn##_qsv = { \
    .p.name         = #sn "_qsv", \
    .p.description  = NULL_IF_CONFIG_SMALL("Quick Sync Video " #ln), \
    .p.priv_class   = &x##_class, \
    .p.flags        = AVFILTER_FLAG_HWDEVICE, \
    .preinit        = x##_preinit, \
    .init           = vpp_init, \
    .uninit         = vpp_uninit, \
    .priv_size      = sizeof(VPPContext), \
    FILTER_INPUTS(vpp_inputs), \
    FILTER_OUTPUTS(vpp_outputs), \
    fmts, \
    .activate       = activate, \
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE, \
};

Definition at line 828 of file vf_vpp_qsv.c.

Enumeration Type Documentation

var_name

enum var_name

Enumerator
VAR_IW
VAR_IN_W
VAR_IH
VAR_IN_H
VAR_OW
VAR_OUT_W
VAR_W
VAR_OH
VAR_OUT_H
VAR_H
VAR_CW
VAR_CH
VAR_CX
VAR_CY
VAR_A
VAR_DAR
VAR_SAR
VAR_VARS_NB

Definition at line 141 of file vf_vpp_qsv.c.

Function Documentation

eval_expr()

static int eval_expr ( AVFilterContext * ctx )

static

Definition at line 155 of file vf_vpp_qsv.c.

Referenced by config_input().

vpp_preinit()

static av_cold int vpp_preinit ( AVFilterContext * ctx )

static

Definition at line 240 of file vf_vpp_qsv.c.

vpp_init()

static av_cold int vpp_init ( AVFilterContext * ctx )

static

Definition at line 260 of file vf_vpp_qsv.c.

config_input()

static int config_input ( AVFilterLink * inlink )

static

Definition at line 295 of file vf_vpp_qsv.c.

get_mfx_version()

static mfxStatus get_mfx_version ( const AVFilterContext * ctx, mfxVersion * mfx_version )

static

Definition at line 365 of file vf_vpp_qsv.c.

Referenced by config_output().

vpp_set_frame_ext_params()

static int vpp_set_frame_ext_params ( AVFilterContext * ctx, const AVFrame * in, AVFrame * out, QSVVPPFrameParam * fp )

static

Definition at line 391 of file vf_vpp_qsv.c.

Referenced by config_output().

config_output()

static int config_output ( AVFilterLink * outlink )

static

Definition at line 525 of file vf_vpp_qsv.c.

activate()

static int activate ( AVFilterContext * ctx )

static

Definition at line 729 of file vf_vpp_qsv.c.

vpp_uninit()

static av_cold void vpp_uninit ( AVFilterContext * ctx )

static

Definition at line 806 of file vf_vpp_qsv.c.

Variable Documentation

var_names

const char* const var_names[]

static

Initial value:

= {
    "iw", "in_w",
    "ih", "in_h",
    "ow", "out_w", "w",
    "oh", "out_h", "h",
    "cw",
    "ch",
    "cx",
    "cy",
    "a", "dar",
    "sar",
    NULL
}

Definition at line 127 of file vf_vpp_qsv.c.

vpp_inputs

const AVFilterPad vpp_inputs[]

static

Initial value:

= {
    {
        .name          = "default",
        .type          = AVMEDIA_TYPE_VIDEO,
        .config_props  = config_input,
        .get_buffer.video = ff_qsvvpp_get_video_buffer,
    },
}

Definition at line 811 of file vf_vpp_qsv.c.

vpp_outputs

const AVFilterPad vpp_outputs[]

static

Initial value:

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

Definition at line 820 of file vf_vpp_qsv.c.