#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/hwcontext.h"
#include "libavutil/hwcontext_cuda_internal.h"
#include "libavutil/cuda_check.h"
#include "libavutil/eval.h"
#include "avfilter.h"
#include "filters.h"
#include "framesync.h"
#include "internal.h"
#include "cuda/load_helper.h"

Data Structures
struct	OverlayCUDAContext
	OverlayCUDAContext. More...

Macros
#define	CHECK_CU(x) FF_CUDA_CHECK_DL(ctx, ctx->hwctx->internal->cuda_dl, x)

#define	DIV_UP(a, b) ( ((a) + (b) - 1) / (b) )

#define	BLOCK_X 32

#define	BLOCK_Y 16

#define	MAIN 0

#define	OVERLAY 1

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

#define	FLAGS (AV_OPT_FLAG_FILTERING_PARAM \| AV_OPT_FLAG_VIDEO_PARAM)

Enumerations
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_INDUR, VAR_PREV_OUTPTS, VAR_PREV_OUTDTS, VAR_PREV_OUTDUR, VAR_NEXT_PTS, VAR_NEXT_DTS, VAR_NEXT_DUR, VAR_PTS, VAR_DTS, VAR_DURATION, VAR_STARTPTS, VAR_STARTDTS, VAR_TB, VAR_TB_OUT, 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_CH, VAR_SN, VAR_NB_CHANNELS, VAR_T, VAR_SR, VAR_P, VAR_F, VAR_VARS_NB, VAR_CH, VAR_SN, VAR_NB_CHANNELS, VAR_T, VAR_SR, VAR_P, 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_W, VAR_H, 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_SIZE, VAR_DURATION, 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_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_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, VAR_CW, VAR_CH, VAR_CX, VAR_CY, VAR_A, VAR_DAR, VAR_SAR, 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	format_is_supported (const enum AVPixelFormat formats[], enum AVPixelFormat fmt)
	Helper to find out if provided format is supported by filter. More...

static int	normalize_xy (double d, int chroma_sub)

static void	eval_expr (AVFilterContext *ctx)

static int	set_expr (AVExpr *pexpr, const char expr, const char option, void log_ctx)

static int	formats_match (const enum AVPixelFormat format_main, const enum AVPixelFormat format_overlay)
	Helper checks if we can process main and overlay pixel formats. More...

static int	overlay_cuda_call_kernel (OverlayCUDAContext ctx, int x_position, int y_position, uint8_t main_data, int main_linesize, int main_width, int main_height, uint8_t overlay_data, int overlay_linesize, int overlay_width, int overlay_height, uint8_t alpha_data, int alpha_linesize, int alpha_adj_x, int alpha_adj_y)
	Call overlay kernell for a plane. More...

static int	overlay_cuda_blend (FFFrameSync *fs)
	Perform blend overlay picture over main picture. More...

static int	config_input_overlay (AVFilterLink *inlink)

static av_cold int	overlay_cuda_init (AVFilterContext *avctx)
	Initialize overlay_cuda. More...

static av_cold void	overlay_cuda_uninit (AVFilterContext *avctx)
	Uninitialize overlay_cuda. More...

static int	overlay_cuda_activate (AVFilterContext *avctx)
	Activate overlay_cuda. More...

static int	overlay_cuda_config_output (AVFilterLink *outlink)
	Configure output. More...

	FRAMESYNC_DEFINE_CLASS (overlay_cuda, OverlayCUDAContext, fs)

Variables
static enum AVPixelFormat	supported_main_formats []

static enum AVPixelFormat	supported_overlay_formats []

static const char *const	var_names []

static const AVOption	overlay_cuda_options []

static const AVFilterPad	overlay_cuda_inputs []

static const AVFilterPad	overlay_cuda_outputs []

const AVFilter	ff_vf_overlay_cuda

Detailed Description

Overlay one video on top of another using cuda hardware acceleration

Definition in file vf_overlay_cuda.c.

Macro Definition Documentation

◆ CHECK_CU

#define CHECK_CU ( x ) FF_CUDA_CHECK_DL(ctx, ctx->hwctx->internal->cuda_dl, x)

Definition at line 41 of file vf_overlay_cuda.c.

◆ DIV_UP

#define DIV_UP	(	a,
		b
	)	( ((a) + (b) - 1) / (b) )

Definition at line 42 of file vf_overlay_cuda.c.

◆ BLOCK_X

#define BLOCK_X 32

Definition at line 44 of file vf_overlay_cuda.c.

◆ BLOCK_Y

#define BLOCK_Y 16

Definition at line 45 of file vf_overlay_cuda.c.

◆ MAIN

#define MAIN 0

Definition at line 47 of file vf_overlay_cuda.c.

◆ OVERLAY

#define OVERLAY 1

Definition at line 48 of file vf_overlay_cuda.c.

◆ OFFSET

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

Definition at line 525 of file vf_overlay_cuda.c.

◆ FLAGS

#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 526 of file vf_overlay_cuda.c.

Enumeration Type Documentation

◆ 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_INDUR
VAR_PREV_OUTPTS
VAR_PREV_OUTDTS
VAR_PREV_OUTDUR
VAR_NEXT_PTS
VAR_NEXT_DTS
VAR_NEXT_DUR
VAR_PTS
VAR_DTS
VAR_DURATION
VAR_STARTPTS
VAR_STARTDTS
VAR_TB
VAR_TB_OUT
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_CH
VAR_SN
VAR_NB_CHANNELS
VAR_T
VAR_SR
VAR_P
VAR_F
VAR_VARS_NB
VAR_CH
VAR_SN
VAR_NB_CHANNELS
VAR_T
VAR_SR
VAR_P
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_W
VAR_H
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_SIZE
VAR_DURATION
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_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_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
VAR_CW
VAR_CH
VAR_CX
VAR_CY
VAR_A
VAR_DAR
VAR_SAR
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 63 of file vf_overlay_cuda.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 76 of file vf_overlay_cuda.c.

Function Documentation

◆ format_is_supported()

static int format_is_supported	(	const enum AVPixelFormat	formats[],
		enum AVPixelFormat	fmt
	)

static

Helper to find out if provided format is supported by filter.

Definition at line 127 of file vf_overlay_cuda.c.

Referenced by overlay_cuda_config_output().

◆ normalize_xy()

static int normalize_xy	(	double	d,
		int	chroma_sub
	)

inlinestatic

Definition at line 135 of file vf_overlay_cuda.c.

Referenced by eval_expr().

◆ eval_expr()

static void eval_expr ( AVFilterContext * ctx )

static

Definition at line 142 of file vf_overlay_cuda.c.

Referenced by config_input_overlay(), and overlay_cuda_blend().

◆ set_expr()

static int set_expr	(	AVExpr **	pexpr,
		const char *	expr,
		const char *	option,
		void *	log_ctx
	)

static

Definition at line 157 of file vf_overlay_cuda.c.

Referenced by config_input_overlay().

◆ formats_match()

static int formats_match	(	const enum AVPixelFormat	format_main,
		const enum AVPixelFormat	format_overlay
	)

static

Helper checks if we can process main and overlay pixel formats.

Definition at line 181 of file vf_overlay_cuda.c.

Referenced by overlay_cuda_config_output().

◆ overlay_cuda_call_kernel()

static int overlay_cuda_call_kernel	(	OverlayCUDAContext *	ctx,
		int	x_position,
		int	y_position,
		uint8_t *	main_data,
		int	main_linesize,
		int	main_width,
		int	main_height,
		uint8_t *	overlay_data,
		int	overlay_linesize,
		int	overlay_width,
		int	overlay_height,
		uint8_t *	alpha_data,
		int	alpha_linesize,
		int	alpha_adj_x,
		int	alpha_adj_y
	)

static

Call overlay kernell for a plane.

Definition at line 196 of file vf_overlay_cuda.c.

Referenced by overlay_cuda_blend().

◆ overlay_cuda_blend()

static int overlay_cuda_blend ( FFFrameSync * fs )

static

Perform blend overlay picture over main picture.

Definition at line 227 of file vf_overlay_cuda.c.

Referenced by overlay_cuda_init().

◆ config_input_overlay()

static int config_input_overlay ( AVFilterLink * inlink )

static

Definition at line 341 of file vf_overlay_cuda.c.

◆ overlay_cuda_init()

static av_cold int overlay_cuda_init ( AVFilterContext * avctx )

static

Initialize overlay_cuda.

Definition at line 377 of file vf_overlay_cuda.c.

◆ overlay_cuda_uninit()

static av_cold void overlay_cuda_uninit ( AVFilterContext * avctx )

static

Uninitialize overlay_cuda.

Definition at line 388 of file vf_overlay_cuda.c.

◆ overlay_cuda_activate()

static int overlay_cuda_activate ( AVFilterContext * avctx )

static

Activate overlay_cuda.

Definition at line 411 of file vf_overlay_cuda.c.

◆ overlay_cuda_config_output()

static int overlay_cuda_config_output ( AVFilterLink * outlink )

static

Configure output.

Definition at line 421 of file vf_overlay_cuda.c.

◆ FRAMESYNC_DEFINE_CLASS()

FRAMESYNC_DEFINE_CLASS	(	overlay_cuda	,
		OverlayCUDAContext	,
		fs
	)

Variable Documentation

◆ supported_main_formats

enum AVPixelFormat supported_main_formats[]

static

Initial value:

= {
    AV_PIX_FMT_NV12,
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_NONE,
}

Definition at line 50 of file vf_overlay_cuda.c.

Referenced by overlay_cuda_config_output().

◆ supported_overlay_formats

enum AVPixelFormat supported_overlay_formats[]

static

Initial value:

= {
    AV_PIX_FMT_NV12,
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUVA420P,
    AV_PIX_FMT_NONE,
}

Definition at line 56 of file vf_overlay_cuda.c.

Referenced by overlay_cuda_config_output().

◆ var_names

const char* const var_names[]

static

Initial value:

= {
    "main_w",    "W", 
    "main_h",    "H", 
    "overlay_w", "w", 
    "overlay_h", "h", 
    "x",
    "y",
    "n",            
    "pos",          
    "t",            
    NULL
}

Definition at line 82 of file vf_overlay_cuda.c.

Referenced by set_expr().

◆ overlay_cuda_options

const AVOption overlay_cuda_options[]

static

Initial value:

= {
    { "x", "set the x expression of overlay", OFFSET(x_expr), AV_OPT_TYPE_STRING, { .str = "0" }, 0, 0, FLAGS },
    { "y", "set the y expression of overlay", OFFSET(y_expr), AV_OPT_TYPE_STRING, { .str = "0" }, 0, 0, FLAGS },
    { "eof_action", "Action to take when encountering EOF from secondary input ",
        OFFSET(fs.opt_eof_action), AV_OPT_TYPE_INT, { .i64 = EOF_ACTION_REPEAT },
        EOF_ACTION_REPEAT, EOF_ACTION_PASS, .flags = FLAGS, "eof_action" },
        { "repeat", "Repeat the previous frame.",   0, AV_OPT_TYPE_CONST, { .i64 = EOF_ACTION_REPEAT }, .flags = FLAGS, "eof_action" },
        { "endall", "End both streams.",            0, AV_OPT_TYPE_CONST, { .i64 = EOF_ACTION_ENDALL }, .flags = FLAGS, "eof_action" },
        { "pass",   "Pass through the main input.", 0, AV_OPT_TYPE_CONST, { .i64 = EOF_ACTION_PASS },   .flags = FLAGS, "eof_action" },
    { "eval", "specify when to evaluate expressions", OFFSET(eval_mode), AV_OPT_TYPE_INT, { .i64 = EVAL_MODE_FRAME }, 0, EVAL_MODE_NB - 1, FLAGS, "eval" },
         { "init",  "eval expressions once during initialization", 0, AV_OPT_TYPE_CONST, { .i64=EVAL_MODE_INIT },  .flags = FLAGS, .unit = "eval" },
         { "frame", "eval expressions per-frame",                  0, AV_OPT_TYPE_CONST, { .i64=EVAL_MODE_FRAME }, .flags = FLAGS, .unit = "eval" },
    { "shortest", "force termination when the shortest input terminates", OFFSET(fs.opt_shortest), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
    { "repeatlast", "repeat overlay of the last overlay frame", OFFSET(fs.opt_repeatlast), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
    { NULL },
}

Definition at line 528 of file vf_overlay_cuda.c.

◆ overlay_cuda_inputs

const AVFilterPad overlay_cuda_inputs[]

static

Initial value:

= {
    {
        .name         = "main",
        .type         = AVMEDIA_TYPE_VIDEO,
    },
    {
        .name         = "overlay",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = config_input_overlay,
    },
}

Definition at line 547 of file vf_overlay_cuda.c.

◆ overlay_cuda_outputs

const AVFilterPad overlay_cuda_outputs[]

static

Initial value:

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

Definition at line 559 of file vf_overlay_cuda.c.

◆ ff_vf_overlay_cuda

const AVFilter ff_vf_overlay_cuda

Initial value:

= {
    .name            = "overlay_cuda",
    .description     = NULL_IF_CONFIG_SMALL("Overlay one video on top of another using CUDA"),
    .priv_size       = sizeof(OverlayCUDAContext),
    .priv_class      = &overlay_cuda_class,
    .init            = &overlay_cuda_init,
    .uninit          = &overlay_cuda_uninit,
    .activate        = &overlay_cuda_activate,
    FILTER_INPUTS(overlay_cuda_inputs),
    FILTER_OUTPUTS(overlay_cuda_outputs),
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_CUDA),
    .preinit         = overlay_cuda_framesync_preinit,
    .flags_internal  = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 567 of file vf_overlay_cuda.c.

Data Structures

Macros

Enumerations

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ CHECK_CU

◆ DIV_UP

◆ BLOCK_X

◆ BLOCK_Y

◆ MAIN

◆ OVERLAY

◆ OFFSET

◆ FLAGS

Enumeration Type Documentation

◆ var_name

◆ EvalMode

Function Documentation

◆ format_is_supported()

◆ normalize_xy()

◆ eval_expr()

◆ set_expr()

◆ formats_match()

◆ overlay_cuda_call_kernel()

◆ overlay_cuda_blend()

◆ config_input_overlay()

◆ overlay_cuda_init()

◆ overlay_cuda_uninit()

◆ overlay_cuda_activate()

◆ overlay_cuda_config_output()

◆ FRAMESYNC_DEFINE_CLASS()

Variable Documentation

◆ supported_main_formats

◆ supported_overlay_formats

◆ var_names

◆ overlay_cuda_options

◆ overlay_cuda_inputs

◆ overlay_cuda_outputs

◆ ff_vf_overlay_cuda