Libav
Data Structures | Macros | Enumerations | Functions | Variables
vf_scale_npp.c File Reference

scale video filter More...

#include <nppi.h>
#include <stdio.h>
#include <string.h>
#include "libavutil/avstring.h"
#include "libavutil/common.h"
#include "libavutil/eval.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_cuda.h"
#include "libavutil/internal.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures

struct  NPPScaleStageContext
 
struct  NPPScaleContext
 

Macros

#define OFFSET(x)   offsetof(NPPScaleContext, x)
 
#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM
 

Enumerations

enum  var_name {
  VAR_E, VAR_FRAME_RATE, VAR_INTERLACED, VAR_N,
  VAR_PHI, VAR_PI, VAR_PREV_INPTS, VAR_PREV_OUTPTS,
  VAR_PTS, VAR_STARTPTS, VAR_TB, VAR_RTCTIME,
  VAR_RTCSTART, VAR_S, VAR_SR, VAR_VARS_NB,
  VAR_E, VAR_PHI, VAR_PI, VAR_AVTB,
  VAR_INTB, VAR_SR, VAR_VARS_NB, VAR_PI,
  VAR_PHI, VAR_E, VAR_W, VAR_H,
  VAR_A, VAR_DAR, VAR_SAR, VAR_HSUB,
  VAR_VSUB, VARS_NB, VAR_W, VAR_H,
  VAR_CW, VAR_CH, VAR_HSUB, VAR_VSUB,
  VARS_NB, VAR_E, VAR_PHI, VAR_PI,
  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_N, VAR_T,
  VAR_VARS_NB, VAR_E, VAR_PHI, VAR_PI,
  VAR_MAIN_W, VAR_MW, VAR_MAIN_H, VAR_MH,
  VAR_TEXT_W, VAR_TW, VAR_TEXT_H, VAR_TH,
  VAR_X, VAR_Y, VAR_N, VAR_T,
  VAR_VARS_NB, VAR_E, VAR_PHI, VAR_PI,
  VAR_W, VAR_H, VAR_VAL, VAR_MAXVAL,
  VAR_MINVAL, VAR_NEGVAL, VAR_CLIPVAL, VAR_VARS_NB,
  VAR_E, VAR_PHI, VAR_PI, VAR_MAIN_W,
  VAR_MW, VAR_MAIN_H, VAR_MH, VAR_OVERLAY_W,
  VAR_OW, VAR_OVERLAY_H, VAR_OH, VAR_VARS_NB,
  VAR_PI, VAR_PHI, VAR_E, 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_HSUB, VAR_VSUB,
  VARS_NB, VAR_PI, VAR_PHI, VAR_E,
  VAR_IN_W, VAR_IW, VAR_IN_H, VAR_IH,
  VAR_OUT_W, VAR_OW, VAR_OUT_H, VAR_OH,
  VAR_A, VAR_DAR, VAR_SAR, VAR_HSUB,
  VAR_VSUB, VARS_NB, VAR_PI, VAR_PHI,
  VAR_E, VAR_IN_W, VAR_IW, VAR_IN_H,
  VAR_IH, VAR_OUT_W, VAR_OW, VAR_OUT_H,
  VAR_OH, VAR_A, VAR_DAR, VAR_SAR,
  VARS_NB, VAR_PI, VAR_PHI, VAR_E,
  VAR_IN_W, VAR_IW, VAR_IN_H, VAR_IH,
  VAR_OUT_W, VAR_OW, VAR_OUT_H, VAR_OH,
  VAR_A, VAR_DAR, VAR_SAR, VARS_NB,
  VAR_E, VAR_PHI, VAR_PI, VAR_TB,
  VAR_PTS, VAR_START_PTS, VAR_PREV_PTS, VAR_PREV_SELECTED_PTS,
  VAR_T, VAR_START_T, VAR_PREV_T, VAR_PREV_SELECTED_T,
  VAR_PICT_TYPE, VAR_PICT_TYPE_I, VAR_PICT_TYPE_P, VAR_PICT_TYPE_B,
  VAR_PICT_TYPE_S, VAR_PICT_TYPE_SI, VAR_PICT_TYPE_SP, VAR_PICT_TYPE_BI,
  VAR_INTERLACE_TYPE, VAR_INTERLACE_TYPE_P, VAR_INTERLACE_TYPE_T, VAR_INTERLACE_TYPE_B,
  VAR_N, VAR_SELECTED_N, VAR_PREV_SELECTED_N, VAR_KEY,
  VAR_VARS_NB, VAR_E, VAR_PHI, VAR_PI,
  VAR_AVTB, VAR_VARS_NB
}
 
enum  ScaleStage { STAGE_DEINTERLEAVE, STAGE_RESIZE, STAGE_INTERLEAVE, STAGE_NB }
 

Functions

static int nppscale_init (AVFilterContext *ctx)
 
static void nppscale_uninit (AVFilterContext *ctx)
 
static int nppscale_query_formats (AVFilterContext *ctx)
 
static int init_stage (NPPScaleStageContext *stage, AVBufferRef *device_ctx)
 
static int format_is_supported (enum AVPixelFormat fmt)
 
static enum AVPixelFormat get_deinterleaved_format (enum AVPixelFormat fmt)
 
static int init_processing_chain (AVFilterContext *ctx, int in_width, int in_height, int out_width, int out_height)
 
static int nppscale_config_props (AVFilterLink *outlink)
 
static int nppscale_deinterleave (AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
 
static int nppscale_resize (AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
 
static int nppscale_interleave (AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
 
static int nppscale_scale (AVFilterContext *ctx, AVFrame *out, AVFrame *in)
 
static int nppscale_filter_frame (AVFilterLink *link, AVFrame *in)
 

Variables

static enum AVPixelFormat supported_formats []
 
static enum AVPixelFormat deinterleaved_formats [][2]
 
static const char *const var_names []
 
static int(*const nppscale_process [])(AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
 
static const AVOption options []
 
static const AVClass nppscale_class
 
static const AVFilterPad nppscale_inputs []
 
static const AVFilterPad nppscale_outputs []
 
AVFilter ff_vf_scale_npp
 

Detailed Description

scale video filter

Definition in file vf_scale_npp.c.

Macro Definition Documentation

◆ OFFSET

#define OFFSET (   x)    offsetof(NPPScaleContext, x)

Definition at line 602 of file vf_scale_npp.c.

◆ FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM

Definition at line 603 of file vf_scale_npp.c.

Enumeration Type Documentation

◆ var_name

enum var_name
Enumerator
VAR_E 
VAR_FRAME_RATE 
VAR_INTERLACED 
VAR_N 
VAR_PHI 
VAR_PI 
VAR_PREV_INPTS 
VAR_PREV_OUTPTS 
VAR_PTS 
VAR_STARTPTS 
VAR_TB 
VAR_RTCTIME 
VAR_RTCSTART 
VAR_S 
VAR_SR 
VAR_VARS_NB 
VAR_E 
VAR_PHI 
VAR_PI 
VAR_AVTB 
VAR_INTB 
VAR_SR 
VAR_VARS_NB 
VAR_PI 
VAR_PHI 
VAR_E 
VAR_W 
VAR_H 
VAR_A 
VAR_DAR 
VAR_SAR 
VAR_HSUB 
VAR_VSUB 
VARS_NB 
VAR_W 
VAR_H 
VAR_CW 
VAR_CH 
VAR_HSUB 
VAR_VSUB 
VARS_NB 
VAR_E 
VAR_PHI 
VAR_PI 
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_N 
VAR_T 
VAR_VARS_NB 
VAR_E 
VAR_PHI 
VAR_PI 
VAR_MAIN_W 
VAR_MW 
VAR_MAIN_H 
VAR_MH 
VAR_TEXT_W 
VAR_TW 
VAR_TEXT_H 
VAR_TH 
VAR_X 
VAR_Y 
VAR_N 
VAR_T 
VAR_VARS_NB 
VAR_E 
VAR_PHI 
VAR_PI 
VAR_W 
VAR_H 
VAR_VAL 
VAR_MAXVAL 
VAR_MINVAL 
VAR_NEGVAL 
VAR_CLIPVAL 
VAR_VARS_NB 
VAR_E 
VAR_PHI 
VAR_PI 
VAR_MAIN_W 
VAR_MW 
VAR_MAIN_H 
VAR_MH 
VAR_OVERLAY_W 
VAR_OW 
VAR_OVERLAY_H 
VAR_OH 
VAR_VARS_NB 
VAR_PI 
VAR_PHI 
VAR_E 
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_HSUB 
VAR_VSUB 
VARS_NB 
VAR_PI 
VAR_PHI 
VAR_E 
VAR_IN_W 
VAR_IW 
VAR_IN_H 
VAR_IH 
VAR_OUT_W 
VAR_OW 
VAR_OUT_H 
VAR_OH 
VAR_A 
VAR_DAR 
VAR_SAR 
VAR_HSUB 
VAR_VSUB 
VARS_NB 
VAR_PI 
VAR_PHI 
VAR_E 
VAR_IN_W 
VAR_IW 
VAR_IN_H 
VAR_IH 
VAR_OUT_W 
VAR_OW 
VAR_OUT_H 
VAR_OH 
VAR_A 
VAR_DAR 
VAR_SAR 
VARS_NB 
VAR_PI 
VAR_PHI 
VAR_E 
VAR_IN_W 
VAR_IW 
VAR_IN_H 
VAR_IH 
VAR_OUT_W 
VAR_OW 
VAR_OUT_H 
VAR_OH 
VAR_A 
VAR_DAR 
VAR_SAR 
VARS_NB 
VAR_E 
VAR_PHI 
VAR_PI 
VAR_TB 
VAR_PTS 
VAR_START_PTS 
VAR_PREV_PTS 
VAR_PREV_SELECTED_PTS 
VAR_T 
VAR_START_T 
VAR_PREV_T 
VAR_PREV_SELECTED_T 
VAR_PICT_TYPE 
VAR_PICT_TYPE_I 
VAR_PICT_TYPE_P 
VAR_PICT_TYPE_B 
VAR_PICT_TYPE_S 
VAR_PICT_TYPE_SI 
VAR_PICT_TYPE_SP 
VAR_PICT_TYPE_BI 
VAR_INTERLACE_TYPE 
VAR_INTERLACE_TYPE_P 
VAR_INTERLACE_TYPE_T 
VAR_INTERLACE_TYPE_B 
VAR_N 
VAR_SELECTED_N 
VAR_PREV_SELECTED_N 
VAR_KEY 
VAR_VARS_NB 
VAR_E 
VAR_PHI 
VAR_PI 
VAR_AVTB 
VAR_VARS_NB 

Definition at line 66 of file vf_scale_npp.c.

◆ ScaleStage

enum ScaleStage
Enumerator
STAGE_DEINTERLEAVE 
STAGE_RESIZE 
STAGE_INTERLEAVE 
STAGE_NB 

Definition at line 79 of file vf_scale_npp.c.

Function Documentation

◆ nppscale_init()

static int nppscale_init ( AVFilterContext ctx)
static

Definition at line 128 of file vf_scale_npp.c.

◆ nppscale_uninit()

static void nppscale_uninit ( AVFilterContext ctx)
static

Definition at line 155 of file vf_scale_npp.c.

◆ nppscale_query_formats()

static int nppscale_query_formats ( AVFilterContext ctx)
static

Definition at line 167 of file vf_scale_npp.c.

◆ init_stage()

static int init_stage ( NPPScaleStageContext stage,
AVBufferRef device_ctx 
)
static

Definition at line 179 of file vf_scale_npp.c.

Referenced by init_processing_chain().

◆ format_is_supported()

static int format_is_supported ( enum AVPixelFormat  fmt)
static

Definition at line 231 of file vf_scale_npp.c.

Referenced by init_processing_chain().

◆ get_deinterleaved_format()

static enum AVPixelFormat get_deinterleaved_format ( enum AVPixelFormat  fmt)
static

Definition at line 241 of file vf_scale_npp.c.

Referenced by init_processing_chain().

◆ init_processing_chain()

static int init_processing_chain ( AVFilterContext ctx,
int  in_width,
int  in_height,
int  out_width,
int  out_height 
)
static

Definition at line 255 of file vf_scale_npp.c.

Referenced by nppscale_config_props().

◆ nppscale_config_props()

static int nppscale_config_props ( AVFilterLink outlink)
static

Definition at line 348 of file vf_scale_npp.c.

◆ nppscale_deinterleave()

static int nppscale_deinterleave ( AVFilterContext ctx,
NPPScaleStageContext stage,
AVFrame out,
AVFrame in 
)
static

Definition at line 437 of file vf_scale_npp.c.

◆ nppscale_resize()

static int nppscale_resize ( AVFilterContext ctx,
NPPScaleStageContext stage,
AVFrame out,
AVFrame in 
)
static

Definition at line 461 of file vf_scale_npp.c.

◆ nppscale_interleave()

static int nppscale_interleave ( AVFilterContext ctx,
NPPScaleStageContext stage,
AVFrame out,
AVFrame in 
)
static

Definition at line 489 of file vf_scale_npp.c.

◆ nppscale_scale()

static int nppscale_scale ( AVFilterContext ctx,
AVFrame out,
AVFrame in 
)
static

Definition at line 521 of file vf_scale_npp.c.

Referenced by nppscale_filter_frame().

◆ nppscale_filter_frame()

static int nppscale_filter_frame ( AVFilterLink link,
AVFrame in 
)
static

Definition at line 555 of file vf_scale_npp.c.

Variable Documentation

◆ supported_formats

enum AVPixelFormat supported_formats[]
static
Initial value:
= {
}
planar YUV 4:4:4, 24bpp, (1 Cr & Cb sample per 1x1 Y samples)
Definition: pixfmt.h:64
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:86
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:59

Definition at line 43 of file vf_scale_npp.c.

Referenced by format_is_supported().

◆ deinterleaved_formats

enum AVPixelFormat deinterleaved_formats[][2]
static
Initial value:
= {
}
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:86
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:59

Definition at line 49 of file vf_scale_npp.c.

Referenced by get_deinterleaved_format().

◆ var_names

const char* const var_names[]
static
Initial value:
= {
"PI",
"PHI",
"E",
"in_w", "iw",
"in_h", "ih",
"out_w", "ow",
"out_h", "oh",
"a", "dar",
"sar",
}
NULL
Definition: eval.c:55

Definition at line 53 of file vf_scale_npp.c.

Referenced by nppscale_config_props().

◆ nppscale_process

int(*const nppscale_process[])(AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
static
Initial value:
= {
}
static int nppscale_resize(AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
Definition: vf_scale_npp.c:461
static int nppscale_deinterleave(AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
Definition: vf_scale_npp.c:437
static int nppscale_interleave(AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)
Definition: vf_scale_npp.c:489

Definition at line 514 of file vf_scale_npp.c.

Referenced by nppscale_scale().

◆ options

const AVOption 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 },
{ "interp_algo", "Interpolation algorithm used for resizing", OFFSET(interp_algo), AV_OPT_TYPE_INT, { .i64 = NPPI_INTER_CUBIC }, 0, INT_MAX, FLAGS, "interp_algo" },
{ "nn", "nearest neighbour", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_NN }, 0, 0, FLAGS, "interp_algo" },
{ "linear", "linear", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_LINEAR }, 0, 0, FLAGS, "interp_algo" },
{ "cubic", "cubic", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC }, 0, 0, FLAGS, "interp_algo" },
{ "cubic2p_bspline", "2-parameter cubic (B=1, C=0)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_BSPLINE }, 0, 0, FLAGS, "interp_algo" },
{ "cubic2p_catmullrom", "2-parameter cubic (B=0, C=1/2)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_CATMULLROM }, 0, 0, FLAGS, "interp_algo" },
{ "cubic2p_b05c03", "2-parameter cubic (B=1/2, C=3/10)", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_CUBIC2P_B05C03 }, 0, 0, FLAGS, "interp_algo" },
{ "super", "supersampling", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_SUPER }, 0, 0, FLAGS, "interp_algo" },
{ "lanczos", "Lanczos", 0, AV_OPT_TYPE_CONST, { .i64 = NPPI_INTER_LANCZOS }, 0, 0, FLAGS, "interp_algo" },
{ NULL },
}
#define OFFSET(x)
Definition: vf_scale_npp.c:602
NULL
Definition: eval.c:55
#define FLAGS
Definition: vf_scale_npp.c:603

Definition at line 604 of file vf_scale_npp.c.

◆ nppscale_class

const AVClass nppscale_class
static
Initial value:
= {
.class_name = "nppscale",
.item_name = av_default_item_name,
.option = options,
}
static const AVOption options[]
Definition: vf_scale_npp.c:604
LIBAVUTIL_VERSION_INT
Definition: eval.c:55
av_default_item_name
Definition: dnxhdenc.c:55

Definition at line 621 of file vf_scale_npp.c.

◆ nppscale_inputs

const AVFilterPad nppscale_inputs[]
static
Initial value:
= {
{
.name = "default",
.filter_frame = nppscale_filter_frame,
},
{ NULL }
}
NULL
Definition: eval.c:55
static int nppscale_filter_frame(AVFilterLink *link, AVFrame *in)
Definition: vf_scale_npp.c:555

Definition at line 628 of file vf_scale_npp.c.

◆ nppscale_outputs

const AVFilterPad nppscale_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = nppscale_config_props,
},
{ NULL }
}
static int nppscale_config_props(AVFilterLink *outlink)
Definition: vf_scale_npp.c:348
NULL
Definition: eval.c:55

Definition at line 637 of file vf_scale_npp.c.

◆ ff_vf_scale_npp

AVFilter ff_vf_scale_npp
Initial value:
= {
.name = "scale_npp",
.description = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video "
"scaling and format conversion"),
.init = nppscale_init,
.uninit = nppscale_uninit,
.query_formats = nppscale_query_formats,
.priv_size = sizeof(NPPScaleContext),
.priv_class = &nppscale_class,
}
static const AVFilterPad outputs[]
Definition: af_ashowinfo.c:259
static const AVFilterPad nppscale_inputs[]
Definition: vf_scale_npp.c:628
static void nppscale_uninit(AVFilterContext *ctx)
Definition: vf_scale_npp.c:155
static int nppscale_init(AVFilterContext *ctx)
Definition: vf_scale_npp.c:128
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification. ...
Definition: internal.h:148
static const AVClass nppscale_class
Definition: vf_scale_npp.c:621
static const AVFilterPad inputs[]
Definition: af_ashowinfo.c:248
static int nppscale_query_formats(AVFilterContext *ctx)
Definition: vf_scale_npp.c:167
static const AVFilterPad nppscale_outputs[]
Definition: vf_scale_npp.c:637

Definition at line 646 of file vf_scale_npp.c.