vf_scale_npp.c File Reference

#include <nppi.h>
#include <stdio.h>
#include <string.h>
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_cuda_internal.h"
#include "libavutil/cuda_check.h"
#include "libavutil/internal.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/eval.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "scale_eval.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	NPPScaleStageContext
struct	NPPScaleContext

Macros
#define	CHECK_CU(x)   FF_CUDA_CHECK_DL(ctx, device_hwctx->internal->cuda_dl, x)
#define	OFFSET(x)   offsetof(NPPScaleContext, x)
#define	FLAGS   (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)

Enumerations
enum	ScaleStage { STAGE_DEINTERLEAVE, STAGE_RESIZE, STAGE_INTERLEAVE, STAGE_NB }
enum	var_name {   VAR_N, VAR_TB, VAR_PTS, VAR_DTS,   VAR_NOPTS, VAR_STARTPTS, VAR_STARTDTS, VAR_DURATION,   VAR_D, VAR_POS, VAR_SIZE, VAR_KEY,   VAR_STATE, VAR_VARS_NB, VAR_N, VAR_TS,   VAR_POS, VAR_PREV_INPTS, VAR_PREV_INDTS, VAR_PREV_OUTPTS,   VAR_PREV_OUTDTS, VAR_PTS, VAR_DTS, VAR_STARTPTS,   VAR_STARTDTS, VAR_TB, VAR_SR, VAR_NOPTS,   VAR_VARS_NB, VAR_CH, VAR_N, VAR_NB_IN_CHANNELS,   VAR_NB_OUT_CHANNELS, VAR_T, VAR_S, VAR_VARS_NB,   VAR_W, VAR_H, VAR_CW, VAR_CH,   VAR_HSUB, VAR_VSUB, VARS_NB, VAR_VALUE1,   VAR_VALUE2, VAR_FRAMEVAL, VAR_USERVAL, VAR_VARS_NB,   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_I, VAR_P,   VAR_B, VAR_S, VAR_SI, VAR_SP,   VAR_BI, 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_CONSUMED_SAMPLES_N, VAR_SAMPLES_N, VAR_SAMPLE_RATE, VAR_N,   VAR_SELECTED_N, VAR_PREV_SELECTED_N, VAR_KEY, VAR_POS,   VAR_SCENE, VAR_CONCATDEC_SELECT, VAR_VARS_NB, VAR_N,   VAR_T, VAR_POS, VAR_PTS, VAR_TS,   VAR_TE, VAR_TI, VAR_VARS_NB, VAR_IN_W,   VAR_IW, VAR_IN_H, VAR_IH, VAR_OUT_W,   VAR_OW, VAR_OUT_H, VAR_OH, VAR_A,   VAR_SAR, VAR_DAR, VAR_HSUB, VAR_VSUB,   VAR_OHSUB, VAR_OVSUB, VARS_NB, VAR_FRAME_RATE,   VAR_INTERLACED, VAR_N, VAR_NB_CONSUMED_SAMPLES, VAR_NB_SAMPLES,   VAR_POS, VAR_PREV_INPTS, VAR_PREV_INT, VAR_PREV_OUTPTS,   VAR_PREV_OUTT, VAR_PTS, VAR_SAMPLE_RATE, VAR_STARTPTS,   VAR_STARTT, VAR_T, VAR_TB, VAR_RTCTIME,   VAR_RTCSTART, VAR_S, VAR_SR, VAR_FR,   VAR_VARS_NB, VAR_AVTB, VAR_INTB, VAR_SR,   VAR_VARS_NB, VAR_W, VAR_H, VAR_A,   VAR_DAR, VAR_SAR, VAR_HSUB, VAR_VSUB,   VARS_NB, VAR_IN_W, VAR_IW, VAR_IN_H,   VAR_IH, VAR_OUT_W, VAR_OW, VAR_OUT_H,   VAR_OH, VAR_A, VAR_SAR, VAR_DAR,   VAR_HSUB, VAR_VSUB, VAR_X, VAR_Y,   VAR_N, VAR_POS, VAR_T, VAR_VARS_NB,   VAR_X, VAR_Y, VAR_W, VAR_H,   VAR_N, VAR_T, VAR_VARS_NB, VAR_DAR,   VAR_HSUB, VAR_VSUB, VAR_IN_H, VAR_IH,   VAR_IN_W, VAR_IW, VAR_SAR, VAR_X,   VAR_Y, VAR_H, VAR_W, VAR_T,   VAR_MAX, VARS_NB, VAR_DAR, VAR_HSUB,   VAR_VSUB, VAR_LINE_H, VAR_LH, VAR_MAIN_H,   VAR_h, VAR_H, VAR_MAIN_W, VAR_w,   VAR_W, VAR_MAX_GLYPH_A, VAR_ASCENT, VAR_MAX_GLYPH_D,   VAR_DESCENT, VAR_MAX_GLYPH_H, VAR_MAX_GLYPH_W, VAR_N,   VAR_SAR, VAR_T, VAR_TEXT_H, VAR_TH,   VAR_TEXT_W, VAR_TW, VAR_X, VAR_Y,   VAR_PICT_TYPE, VAR_PKT_POS, VAR_PKT_DURATION, VAR_PKT_SIZE,   VAR_VARS_NB, VAR_N, VAR_POS, VAR_R,   VAR_T, VAR_NB, VAR_SOURCE_FPS, VAR_FPS_NTSC,   VAR_FPS_PAL, VAR_FPS_FILM, VAR_FPS_NTSC_FILM, VARS_NB,   VAR_N, VAR_PTS, VAR_R, VAR_T,   VAR_TB, VAR_NB, VAR_W, VAR_H,   VAR_VAL, VAR_MAXVAL, VAR_MINVAL, VAR_NEGVAL,   VAR_CLIPVAL, VAR_VARS_NB, VAR_W, VAR_H,   VAR_X, VAR_Y, VAR_BITDEPTHX, VAR_BITDEPTHY,   VAR_VARS_NB, VAR_MAIN_W, VAR_MW, VAR_MAIN_H,   VAR_MH, VAR_OVERLAY_W, VAR_OW, VAR_OVERLAY_H,   VAR_OH, VAR_HSUB, VAR_VSUB, VAR_X,   VAR_Y, VAR_N, VAR_POS, VAR_T,   VAR_VARS_NB, VAR_MAIN_W, VAR_MW, VAR_MAIN_H,   VAR_MH, VAR_OVERLAY_W, VAR_OW, VAR_OVERLAY_H,   VAR_OH, VAR_X, VAR_Y, VAR_N,   VAR_POS, VAR_T, VAR_VARS_NB, VAR_MAIN_iW,   VAR_MW, VAR_MAIN_iH, VAR_MH, VAR_OVERLAY_iW,   VAR_OVERLAY_iH, VAR_OVERLAY_X, VAR_OX, VAR_OVERLAY_Y,   VAR_OY, VAR_OVERLAY_W, VAR_OW, VAR_OVERLAY_H,   VAR_OH, VAR_VARS_NB, 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, VAR_HSUB,   VAR_VSUB, VARS_NB, 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,   VAR_W, VAR_H, VAR_VAL, VAR_YMIN,   VAR_UMIN, VAR_VMIN, VAR_AMIN, VAR_YMAX,   VAR_UMAX, VAR_VMAX, VAR_AMAX, VAR_VARS_NB,   VAR_IN_W, VAR_IW, VAR_IN_H, VAR_IH,   VAR_OUT_W, VAR_OW, VAR_OUT_H, VAR_OH,   VAR_HSUB, VAR_VSUB, VAR_N, VAR_T,   VAR_VARS_NB, VAR_IN_W, VAR_IW, VAR_IN_H,   VAR_IH, VAR_OUT_W, VAR_OW, VAR_OUT_H,   VAR_OH, VAR_A, VAR_SAR, VAR_DAR,   VAR_HSUB, VAR_VSUB, VAR_OHSUB, VAR_OVSUB,   VAR_N, VAR_T, VAR_POS, VAR_S2R_MAIN_W,   VAR_S2R_MAIN_H, VAR_S2R_MAIN_A, VAR_S2R_MAIN_SAR, VAR_S2R_MAIN_DAR,   VAR_S2R_MDAR, VAR_S2R_MAIN_HSUB, VAR_S2R_MAIN_VSUB, VAR_S2R_MAIN_N,   VAR_S2R_MAIN_T, VAR_S2R_MAIN_POS, VARS_NB, VAR_IN_W,   VAR_IW, VAR_IN_H, VAR_IH, VAR_OUT_W,   VAR_OW, VAR_OUT_H, VAR_OH, VAR_A,   VAR_SAR, VAR_DAR, VAR_N, VAR_T,   VAR_POS, VAR_S2R_MAIN_W, VAR_S2R_MAIN_H, VAR_S2R_MAIN_A,   VAR_S2R_MAIN_SAR, VAR_S2R_MAIN_DAR, VAR_S2R_MDAR, VAR_S2R_MAIN_N,   VAR_S2R_MAIN_T, VAR_S2R_MAIN_POS, 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_W, VAR_H,   VAR_N, VAR_PTS, VAR_R, VAR_T,   VAR_TB, VAR_NB, VAR_iW, VAR_IN_W,   VAR_iH, VAR_IN_H, VAR_oW, VAR_OUT_W,   VAR_W, VAR_oH, VAR_OUT_H, VAR_H,   CW, CH, CX, CY,   VAR_VARS_NB, VAR_IN_W, VAR_IW, VAR_IN_H,   VAR_IH, VAR_OUT_W, VAR_OW, VAR_OUT_H,   VAR_OH, VAR_IN, VAR_ON, VAR_DURATION,   VAR_PDURATION, VAR_IN_TIME, VAR_IT, VAR_TIME,   VAR_OUT_TIME, VAR_OT, VAR_FRAME, VAR_ZOOM,   VAR_PZOOM, VAR_X, VAR_PX, VAR_Y,   VAR_PY, VAR_A, VAR_SAR, VAR_DAR,   VAR_HSUB, VAR_VSUB, VARS_NB, VAR_IN_W,   VAR_IW, VAR_IN_H, VAR_IH, VAR_OUT_W,   VAR_OW, VAR_OUT_H, VAR_OH, VAR_A,   VAR_SAR, VAR_DAR, VAR_HSUB, VAR_VSUB,   VAR_OHSUB, VAR_OVSUB, VARS_NB, VAR_X,   VAR_Y, VAR_W, VAR_H, VAR_TIME,   VAR_SPEED, VAR_TEMPO, VAR_ORDER, VAR_PATTERN,   VAR_ROW, VAR_VARS_NB }
enum	EvalMode {   EVAL_MODE_ONCE, EVAL_MODE_FRAME, EVAL_MODE_NB, EVAL_MODE_INIT,   EVAL_MODE_FRAME, EVAL_MODE_NB, EVAL_MODE_INIT, EVAL_MODE_FRAME,   EVAL_MODE_NB, EVAL_MODE_INIT, EVAL_MODE_FRAME, EVAL_MODE_NB,   EVAL_MODE_INIT, EVAL_MODE_FRAME, EVAL_MODE_NB, EVAL_MODE_INIT,   EVAL_MODE_FRAME, EVAL_MODE_NB, EVAL_MODE_INIT, EVAL_MODE_FRAME,   EVAL_MODE_NB, EVAL_MODE_INIT, EVAL_MODE_FRAME, EVAL_MODE_NB,   EVAL_MODE_INIT, EVAL_MODE_FRAME, EVAL_MODE_NB }

Functions
static int	config_props (AVFilterLink *outlink)
static int	check_exprs (AVFilterContext *ctx)
static int	nppscale_parse_expr (AVFilterContext *ctx, char *str_expr, AVExpr **pexpr_ptr, const char *var, const char *args)
static av_cold int	nppscale_init (AVFilterContext *ctx)
static int	nppscale_eval_dimensions (AVFilterContext *ctx)
static void	nppscale_uninit (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	config_props_ref (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 (AVFilterLink *link, AVFrame *out, AVFrame *in)
static int	nppscale_filter_frame (AVFilterLink *link, AVFrame *in)
static int	nppscale_filter_frame_ref (AVFilterLink *link, AVFrame *in)
static int	request_frame (AVFilterLink *outlink)
static int	request_frame_ref (AVFilterLink *outlink)

Variables
static enum AVPixelFormat	supported_formats []
static enum AVPixelFormat	deinterleaved_formats [][2]
static const char *const	var_names []
const AVFilter	ff_vf_scale2ref_npp
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 []
const AVFilter	ff_vf_scale_npp
static const AVFilterPad	nppscale2ref_inputs []
static const AVFilterPad	nppscale2ref_outputs []

Detailed Description

scale video filter

Definition in file vf_scale_npp.c.

Macro Definition Documentation

CHECK_CU

#define CHECK_CU

(

x

)

FF_CUDA_CHECK_DL(ctx, device_hwctx->internal->cuda_dl, x)

Definition at line 43 of file vf_scale_npp.c.

OFFSET

#define OFFSET

(

x

)

offsetof(NPPScaleContext, x)

Definition at line 951 of file vf_scale_npp.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 952 of file vf_scale_npp.c.

Enumeration Type Documentation

ScaleStage

enum ScaleStage

Enumerator
STAGE_DEINTERLEAVE
STAGE_RESIZE
STAGE_INTERLEAVE
STAGE_NB

Definition at line 56 of file vf_scale_npp.c.

var_name

enum var_name

Enumerator
VAR_N
VAR_TB
VAR_PTS
VAR_DTS
VAR_NOPTS
VAR_STARTPTS
VAR_STARTDTS
VAR_DURATION
VAR_D
VAR_POS
VAR_SIZE
VAR_KEY
VAR_STATE
VAR_VARS_NB
VAR_N
VAR_TS
VAR_POS
VAR_PREV_INPTS
VAR_PREV_INDTS
VAR_PREV_OUTPTS
VAR_PREV_OUTDTS
VAR_PTS
VAR_DTS
VAR_STARTPTS
VAR_STARTDTS
VAR_TB
VAR_SR
VAR_NOPTS
VAR_VARS_NB
VAR_CH
VAR_N
VAR_NB_IN_CHANNELS
VAR_NB_OUT_CHANNELS
VAR_T
VAR_S
VAR_VARS_NB
VAR_W
VAR_H
VAR_CW
VAR_CH
VAR_HSUB
VAR_VSUB
VARS_NB
VAR_VALUE1
VAR_VALUE2
VAR_FRAMEVAL
VAR_USERVAL
VAR_VARS_NB
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_I
VAR_P
VAR_B
VAR_S
VAR_SI
VAR_SP
VAR_BI
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_CONSUMED_SAMPLES_N
VAR_SAMPLES_N
VAR_SAMPLE_RATE
VAR_N
VAR_SELECTED_N
VAR_PREV_SELECTED_N
VAR_KEY
VAR_POS
VAR_SCENE
VAR_CONCATDEC_SELECT
VAR_VARS_NB
VAR_N
VAR_T
VAR_POS
VAR_PTS
VAR_TS
VAR_TE
VAR_TI
VAR_VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VAR_OHSUB
VAR_OVSUB
VARS_NB
VAR_FRAME_RATE
VAR_INTERLACED
VAR_N
VAR_NB_CONSUMED_SAMPLES
VAR_NB_SAMPLES
VAR_POS
VAR_PREV_INPTS
VAR_PREV_INT
VAR_PREV_OUTPTS
VAR_PREV_OUTT
VAR_PTS
VAR_SAMPLE_RATE
VAR_STARTPTS
VAR_STARTT
VAR_T
VAR_TB
VAR_RTCTIME
VAR_RTCSTART
VAR_S
VAR_SR
VAR_FR
VAR_VARS_NB
VAR_AVTB
VAR_INTB
VAR_SR
VAR_VARS_NB
VAR_W
VAR_H
VAR_A
VAR_DAR
VAR_SAR
VAR_HSUB
VAR_VSUB
VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VAR_X
VAR_Y
VAR_N
VAR_POS
VAR_T
VAR_VARS_NB
VAR_X
VAR_Y
VAR_W
VAR_H
VAR_N
VAR_T
VAR_VARS_NB
VAR_DAR
VAR_HSUB
VAR_VSUB
VAR_IN_H
VAR_IH
VAR_IN_W
VAR_IW
VAR_SAR
VAR_X
VAR_Y
VAR_H
VAR_W
VAR_T
VAR_MAX
VARS_NB
VAR_DAR
VAR_HSUB
VAR_VSUB
VAR_LINE_H
VAR_LH
VAR_MAIN_H
VAR_h
VAR_H
VAR_MAIN_W
VAR_w
VAR_W
VAR_MAX_GLYPH_A
VAR_ASCENT
VAR_MAX_GLYPH_D
VAR_DESCENT
VAR_MAX_GLYPH_H
VAR_MAX_GLYPH_W
VAR_N
VAR_SAR
VAR_T
VAR_TEXT_H
VAR_TH
VAR_TEXT_W
VAR_TW
VAR_X
VAR_Y
VAR_PICT_TYPE
VAR_PKT_POS
VAR_PKT_DURATION
VAR_PKT_SIZE
VAR_VARS_NB
VAR_N
VAR_POS
VAR_R
VAR_T
VAR_NB
VAR_SOURCE_FPS
VAR_FPS_NTSC
VAR_FPS_PAL
VAR_FPS_FILM
VAR_FPS_NTSC_FILM
VARS_NB
VAR_N
VAR_PTS
VAR_R
VAR_T
VAR_TB
VAR_NB
VAR_W
VAR_H
VAR_VAL
VAR_MAXVAL
VAR_MINVAL
VAR_NEGVAL
VAR_CLIPVAL
VAR_VARS_NB
VAR_W
VAR_H
VAR_X
VAR_Y
VAR_BITDEPTHX
VAR_BITDEPTHY
VAR_VARS_NB
VAR_MAIN_W
VAR_MW
VAR_MAIN_H
VAR_MH
VAR_OVERLAY_W
VAR_OW
VAR_OVERLAY_H
VAR_OH
VAR_HSUB
VAR_VSUB
VAR_X
VAR_Y
VAR_N
VAR_POS
VAR_T
VAR_VARS_NB
VAR_MAIN_W
VAR_MW
VAR_MAIN_H
VAR_MH
VAR_OVERLAY_W
VAR_OW
VAR_OVERLAY_H
VAR_OH
VAR_X
VAR_Y
VAR_N
VAR_POS
VAR_T
VAR_VARS_NB
VAR_MAIN_iW
VAR_MW
VAR_MAIN_iH
VAR_MH
VAR_OVERLAY_iW
VAR_OVERLAY_iH
VAR_OVERLAY_X
VAR_OX
VAR_OVERLAY_Y
VAR_OY
VAR_OVERLAY_W
VAR_OW
VAR_OVERLAY_H
VAR_OH
VAR_VARS_NB
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
VAR_HSUB
VAR_VSUB
VARS_NB
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
VAR_W
VAR_H
VAR_VAL
VAR_YMIN
VAR_UMIN
VAR_VMIN
VAR_AMIN
VAR_YMAX
VAR_UMAX
VAR_VMAX
VAR_AMAX
VAR_VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_HSUB
VAR_VSUB
VAR_N
VAR_T
VAR_VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VAR_OHSUB
VAR_OVSUB
VAR_N
VAR_T
VAR_POS
VAR_S2R_MAIN_W
VAR_S2R_MAIN_H
VAR_S2R_MAIN_A
VAR_S2R_MAIN_SAR
VAR_S2R_MAIN_DAR
VAR_S2R_MDAR
VAR_S2R_MAIN_HSUB
VAR_S2R_MAIN_VSUB
VAR_S2R_MAIN_N
VAR_S2R_MAIN_T
VAR_S2R_MAIN_POS
VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_A
VAR_SAR
VAR_DAR
VAR_N
VAR_T
VAR_POS
VAR_S2R_MAIN_W
VAR_S2R_MAIN_H
VAR_S2R_MAIN_A
VAR_S2R_MAIN_SAR
VAR_S2R_MAIN_DAR
VAR_S2R_MDAR
VAR_S2R_MAIN_N
VAR_S2R_MAIN_T
VAR_S2R_MAIN_POS
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_W
VAR_H
VAR_N
VAR_PTS
VAR_R
VAR_T
VAR_TB
VAR_NB
VAR_iW
VAR_IN_W
VAR_iH
VAR_IN_H
VAR_oW
VAR_OUT_W
VAR_W
VAR_oH
VAR_OUT_H
VAR_H
CW
CH
CX
CY
VAR_VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_IN
VAR_ON
VAR_DURATION
VAR_PDURATION
VAR_IN_TIME
VAR_IT
VAR_TIME
VAR_OUT_TIME
VAR_OT
VAR_FRAME
VAR_ZOOM
VAR_PZOOM
VAR_X
VAR_PX
VAR_Y
VAR_PY
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VARS_NB
VAR_IN_W
VAR_IW
VAR_IN_H
VAR_IH
VAR_OUT_W
VAR_OW
VAR_OUT_H
VAR_OH
VAR_A
VAR_SAR
VAR_DAR
VAR_HSUB
VAR_VSUB
VAR_OHSUB
VAR_OVSUB
VARS_NB
VAR_X
VAR_Y
VAR_W
VAR_H
VAR_TIME
VAR_SPEED
VAR_TEMPO
VAR_ORDER
VAR_PATTERN
VAR_ROW
VAR_VARS_NB

Definition at line 99 of file vf_scale_npp.c.

EvalMode

enum EvalMode

Enumerator
EVAL_MODE_ONCE
EVAL_MODE_FRAME
EVAL_MODE_NB
EVAL_MODE_INIT
EVAL_MODE_FRAME
EVAL_MODE_NB
EVAL_MODE_INIT
EVAL_MODE_FRAME
EVAL_MODE_NB
EVAL_MODE_INIT
EVAL_MODE_FRAME
EVAL_MODE_NB
EVAL_MODE_INIT
EVAL_MODE_FRAME
EVAL_MODE_NB
EVAL_MODE_INIT
EVAL_MODE_FRAME
EVAL_MODE_NB
EVAL_MODE_INIT
EVAL_MODE_FRAME
EVAL_MODE_NB
EVAL_MODE_INIT
EVAL_MODE_FRAME
EVAL_MODE_NB
EVAL_MODE_INIT
EVAL_MODE_FRAME
EVAL_MODE_NB

Definition at line 121 of file vf_scale_npp.c.

Function Documentation

config_props()

static int config_props ( AVFilterLink *  outlink )

static

Definition at line 625 of file vf_scale_npp.c.

Referenced by nppscale_parse_expr(), and nppscale_scale().

check_exprs()

static int check_exprs ( AVFilterContext *  ctx )

static

Definition at line 171 of file vf_scale_npp.c.

Referenced by nppscale_parse_expr().

nppscale_parse_expr()

static int nppscale_parse_expr ( AVFilterContext *  ctx, char *  str_expr, AVExpr **  pexpr_ptr, const char *  var, const char *  args  )

static

Definition at line 227 of file vf_scale_npp.c.

Referenced by nppscale_init(), and nppscale_scale().

nppscale_init()

static av_cold int nppscale_init ( AVFilterContext *  ctx )

static

Definition at line 283 of file vf_scale_npp.c.

nppscale_eval_dimensions()

static int nppscale_eval_dimensions ( AVFilterContext *  ctx )

static

Definition at line 358 of file vf_scale_npp.c.

Referenced by config_props().

nppscale_uninit()

static void nppscale_uninit ( AVFilterContext *  ctx )

static

Definition at line 419 of file vf_scale_npp.c.

init_stage()

static int init_stage ( NPPScaleStageContext *  stage, AVBufferRef *  device_ctx  )

static

Definition at line 435 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 494 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 504 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 518 of file vf_scale_npp.c.

Referenced by config_props().

config_props_ref()

static int config_props_ref ( AVFilterLink *  outlink )

static

Definition at line 670 of file vf_scale_npp.c.

Referenced by nppscale_filter_frame_ref().

nppscale_deinterleave()

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

static

Definition at line 686 of file vf_scale_npp.c.

nppscale_resize()

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

static

Definition at line 710 of file vf_scale_npp.c.

nppscale_interleave()

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

static

Definition at line 738 of file vf_scale_npp.c.

nppscale_scale()

static int nppscale_scale ( AVFilterLink *  link, AVFrame *  out, AVFrame *  in  )

static

Definition at line 770 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 866 of file vf_scale_npp.c.

nppscale_filter_frame_ref()

static int nppscale_filter_frame_ref ( AVFilterLink *  link, AVFrame *  in  )

static

Definition at line 910 of file vf_scale_npp.c.

request_frame()

static int request_frame ( AVFilterLink *  outlink )

static

Definition at line 941 of file vf_scale_npp.c.

request_frame_ref()

static int request_frame_ref ( AVFilterLink *  outlink )

static

Definition at line 946 of file vf_scale_npp.c.

Variable Documentation

supported_formats

enum AVPixelFormat supported_formats[]

static

Initial value:

= {
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUVA420P,
    AV_PIX_FMT_NV12,
    AV_PIX_FMT_YUV444P,
}

Definition at line 45 of file vf_scale_npp.c.

Referenced by format_is_supported().

deinterleaved_formats

enum AVPixelFormat deinterleaved_formats[][2]

static

Initial value:

= {
    { AV_PIX_FMT_NV12, AV_PIX_FMT_YUV420P },
}

Definition at line 52 of file vf_scale_npp.c.

Referenced by get_deinterleaved_format().

var_names

const char* const var_names[]

static

Initial value:

= {
    "in_w",   "iw",
    "in_h",   "ih",
    "out_w",  "ow",
    "out_h",  "oh",
    "a",
    "sar",
    "dar",
    "n",
    "t",
    "pos",
    "main_w",
    "main_h",
    "main_a",
    "main_sar",
    "main_dar", "mdar",
    "main_n",
    "main_t",
    "main_pos",
    NULL
}

Definition at line 77 of file vf_scale_npp.c.

Referenced by nppscale_parse_expr().

ff_vf_scale2ref_npp

const AVFilter ff_vf_scale2ref_npp

Initial value:

= {
    .name          = "scale2ref_npp",
    .description   = NULL_IF_CONFIG_SMALL("NVIDIA Performance Primitives video "
                                          "scaling and format conversion to the "
                                          "given reference."),
 
    .init          = nppscale_init,
    .uninit        = nppscale_uninit,
 
    .priv_size = sizeof(NPPScaleContext),
    .priv_class = &nppscale_class,
 
    FILTER_INPUTS(nppscale2ref_inputs),
    FILTER_OUTPUTS(nppscale2ref_outputs),
 
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_CUDA),
 
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 167 of file vf_scale_npp.c.

Referenced by check_exprs(), config_props(), nppscale_eval_dimensions(), and nppscale_scale().

nppscale_process

int(*const nppscale_process[])(AVFilterContext *ctx, NPPScaleStageContext *stage, AVFrame *out, AVFrame *in)

static

Initial value:

= {
    [STAGE_DEINTERLEAVE] = nppscale_deinterleave,
    [STAGE_RESIZE]       = nppscale_resize,
    [STAGE_INTERLEAVE]   = nppscale_interleave,
}

Definition at line 763 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, .flags = FLAGS },
    { "h",      "Output video height", OFFSET(h_expr),     AV_OPT_TYPE_STRING, .flags = FLAGS },
    { "format", "Output pixel format", OFFSET(format_str), AV_OPT_TYPE_STRING, { .str = "same" }, .flags = FLAGS },
    { "s",      "Output video size",   OFFSET(size_str),   AV_OPT_TYPE_STRING, { .str = NULL   }, .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" },
    { "force_original_aspect_ratio", "decrease or increase w/h if necessary to keep the original AR", OFFSET(force_original_aspect_ratio), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 2, FLAGS, "force_oar" },
    { "disable",  NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 0 }, 0, 0, FLAGS, "force_oar" },
    { "decrease", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 1 }, 0, 0, FLAGS, "force_oar" },
    { "increase", NULL, 0, AV_OPT_TYPE_CONST, {.i64 = 2 }, 0, 0, FLAGS, "force_oar" },
    { "force_divisible_by", "enforce that the output resolution is divisible by a defined integer when force_original_aspect_ratio is used", OFFSET(force_divisible_by), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, 256, FLAGS },
    { "eval", "specify when to evaluate expressions", OFFSET(eval_mode), AV_OPT_TYPE_INT, { .i64 = EVAL_MODE_INIT }, 0, EVAL_MODE_NB-1, FLAGS, "eval" },
         { "init",  "eval expressions once during initialization",          0, AV_OPT_TYPE_CONST, { .i64 = EVAL_MODE_INIT  }, 0, 0, FLAGS, "eval" },
         { "frame", "eval expressions during initialization and per-frame", 0, AV_OPT_TYPE_CONST, { .i64 = EVAL_MODE_FRAME }, 0, 0, FLAGS, "eval" },
    { NULL },
}

Definition at line 953 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,
    .version    = LIBAVUTIL_VERSION_INT,
    .category   = AV_CLASS_CATEGORY_FILTER,
}

Definition at line 979 of file vf_scale_npp.c.

nppscale_inputs

const AVFilterPad nppscale_inputs[]

static

Initial value:

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

Definition at line 987 of file vf_scale_npp.c.

nppscale_outputs

const AVFilterPad nppscale_outputs[]

static

Initial value:

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

Definition at line 995 of file vf_scale_npp.c.

ff_vf_scale_npp

const 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,
 
    .priv_size = sizeof(NPPScaleContext),
    .priv_class = &nppscale_class,
 
    FILTER_INPUTS(nppscale_inputs),
    FILTER_OUTPUTS(nppscale_outputs),
 
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_CUDA),
 
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 1003 of file vf_scale_npp.c.

nppscale2ref_inputs

const AVFilterPad nppscale2ref_inputs[]

static

Initial value:

= {
    {
        .name        = "default",
        .type        = AVMEDIA_TYPE_VIDEO,
        .filter_frame = nppscale_filter_frame,
    },
    {
        .name        = "ref",
        .type        = AVMEDIA_TYPE_VIDEO,
        .filter_frame = nppscale_filter_frame_ref,
    }
}

Definition at line 1022 of file vf_scale_npp.c.

nppscale2ref_outputs

const AVFilterPad nppscale2ref_outputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = config_props,
        .request_frame= request_frame,
    },
    {
        .name         = "ref",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = config_props_ref,
        .request_frame= request_frame_ref,
    }
}

Definition at line 1035 of file vf_scale_npp.c.