FFmpeg
Data Structures | Macros | Enumerations | Functions | Variables
vf_xfade.c File Reference
#include "libavutil/imgutils.h"
#include "libavutil/eval.h"
#include "libavutil/opt.h"
#include "libavutil/pixfmt.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "filters.h"
#include "video.h"

Go to the source code of this file.

Data Structures

struct  XFadeContext
 
struct  ThreadData
 Used for passing data between threads. More...
 

Macros

#define OFFSET(x)   offsetof(XFadeContext, x)
 
#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
 
#define CUSTOM_TRANSITION(name, type, div)
 
#define FADE_TRANSITION(name, type, div)
 
#define WIPELEFT_TRANSITION(name, type, div)
 
#define WIPERIGHT_TRANSITION(name, type, div)
 
#define WIPEUP_TRANSITION(name, type, div)
 
#define WIPEDOWN_TRANSITION(name, type, div)
 
#define SLIDELEFT_TRANSITION(name, type, div)
 
#define SLIDERIGHT_TRANSITION(name, type, div)
 
#define SLIDEUP_TRANSITION(name, type, div)
 
#define SLIDEDOWN_TRANSITION(name, type, div)
 
#define CIRCLECROP_TRANSITION(name, type, div)
 
#define RECTCROP_TRANSITION(name, type, div)
 
#define DISTANCE_TRANSITION(name, type, div)
 
#define FADEBLACK_TRANSITION(name, type, div)
 
#define FADEWHITE_TRANSITION(name, type, div)
 
#define RADIAL_TRANSITION(name, type, div)
 
#define SMOOTHLEFT_TRANSITION(name, type, div)
 
#define SMOOTHRIGHT_TRANSITION(name, type, div)
 
#define SMOOTHUP_TRANSITION(name, type, div)
 
#define SMOOTHDOWN_TRANSITION(name, type, div)
 
#define CIRCLEOPEN_TRANSITION(name, type, div)
 
#define CIRCLECLOSE_TRANSITION(name, type, div)
 
#define VERTOPEN_TRANSITION(name, type, div)
 
#define VERTCLOSE_TRANSITION(name, type, div)
 
#define HORZOPEN_TRANSITION(name, type, div)
 
#define HORZCLOSE_TRANSITION(name, type, div)
 
#define DISSOLVE_TRANSITION(name, type, div)
 
#define PIXELIZE_TRANSITION(name, type, div)
 
#define DIAGTL_TRANSITION(name, type, div)
 
#define DIAGTR_TRANSITION(name, type, div)
 
#define DIAGBL_TRANSITION(name, type, div)
 
#define DIAGBR_TRANSITION(name, type, div)
 
#define HLSLICE_TRANSITION(name, type, div)
 
#define HRSLICE_TRANSITION(name, type, div)
 
#define VUSLICE_TRANSITION(name, type, div)
 
#define VDSLICE_TRANSITION(name, type, div)
 
#define HBLUR_TRANSITION(name, type, div)
 
#define FADEGRAYS_TRANSITION(name, type, div)
 
#define WIPETL_TRANSITION(name, type, div)
 
#define WIPETR_TRANSITION(name, type, div)
 
#define WIPEBL_TRANSITION(name, type, div)
 
#define WIPEBR_TRANSITION(name, type, div)
 
#define SQUEEZEH_TRANSITION(name, type, div)
 
#define SQUEEZEV_TRANSITION(name, type, div)
 
#define ZOOMIN_TRANSITION(name, type, div)
 

Enumerations

enum  XFadeTransitions {
  CUSTOM = -1, FADE, WIPELEFT, WIPERIGHT,
  WIPEUP, WIPEDOWN, SLIDELEFT, SLIDERIGHT,
  SLIDEUP, SLIDEDOWN, CIRCLECROP, RECTCROP,
  DISTANCE, FADEBLACK, FADEWHITE, RADIAL,
  SMOOTHLEFT, SMOOTHRIGHT, SMOOTHUP, SMOOTHDOWN,
  CIRCLEOPEN, CIRCLECLOSE, VERTOPEN, VERTCLOSE,
  HORZOPEN, HORZCLOSE, DISSOLVE, PIXELIZE,
  DIAGTL, DIAGTR, DIAGBL, DIAGBR,
  HLSLICE, HRSLICE, VUSLICE, VDSLICE,
  HBLUR, FADEGRAYS, WIPETL, WIPETR,
  WIPEBL, WIPEBR, SQUEEZEH, SQUEEZEV,
  ZOOMIN, NB_TRANSITIONS, CUSTOM, FADE,
  WIPELEFT, WIPERIGHT, WIPEUP, WIPEDOWN,
  SLIDELEFT, SLIDERIGHT, SLIDEUP, SLIDEDOWN,
  NB_TRANSITIONS
}
 
enum  {
  VAR_X, VAR_Y, VAR_W, VAR_H,
  VAR_A, VAR_B, VAR_PLANE, VAR_PROGRESS,
  VAR_VARS_NB
}
 

Functions

static int query_formats (AVFilterContext *ctx)
 
static av_cold void uninit (AVFilterContext *ctx)
 
 AVFILTER_DEFINE_CLASS (xfade)
 
static float mix (float a, float b, float mix)
 
static float fract (float a)
 
static float smoothstep (float edge0, float edge1, float x)
 
static float frand (int x, int y)
 
static void zoom (float *u, float *v, float amount)
 
static double getpix (void *priv, double x, double y, int plane, int nb)
 
static double a0 (void *priv, double x, double y)
 
static double a1 (void *priv, double x, double y)
 
static double a2 (void *priv, double x, double y)
 
static double a3 (void *priv, double x, double y)
 
static double b0 (void *priv, double x, double y)
 
static double b1 (void *priv, double x, double y)
 
static double b2 (void *priv, double x, double y)
 
static double b3 (void *priv, double x, double y)
 
static int config_output (AVFilterLink *outlink)
 
static int xfade_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 
static int xfade_frame (AVFilterContext *ctx, AVFrame *a, AVFrame *b)
 
static int xfade_activate (AVFilterContext *ctx)
 

Variables

static const char *const var_names [] = { "X", "Y", "W", "H", "A", "B", "PLANE", "P", NULL }
 
static const AVOption xfade_options []
 
static const AVFilterPad xfade_inputs []
 
static const AVFilterPad xfade_outputs []
 
const AVFilter ff_vf_xfade
 

Macro Definition Documentation

◆ OFFSET

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

Definition at line 151 of file vf_xfade.c.

◆ FLAGS

Definition at line 152 of file vf_xfade.c.

◆ CUSTOM_TRANSITION

#define CUSTOM_TRANSITION (   name,
  type,
  div 
)

Definition at line 209 of file vf_xfade.c.

◆ FADE_TRANSITION

#define FADE_TRANSITION (   name,
  type,
  div 
)
Value:
static void fade##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int height = slice_end - slice_start; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
for (int y = 0; y < height; y++) { \
for (int x = 0; x < out->width; x++) { \
dst[x] = mix(xf0[x], xf1[x], progress); \
} \
\
dst += out->linesize[p] / div; \
xf0 += a->linesize[p] / div; \
xf1 += b->linesize[p] / div; \
} \
} \
}

Definition at line 268 of file vf_xfade.c.

◆ WIPELEFT_TRANSITION

#define WIPELEFT_TRANSITION (   name,
  type,
  div 
)
Value:
static void wipeleft##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int height = slice_end - slice_start; \
const int z = out->width * progress; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
for (int y = 0; y < height; y++) { \
for (int x = 0; x < out->width; x++) { \
dst[x] = x > z ? xf1[x] : xf0[x]; \
} \
\
dst += out->linesize[p] / div; \
xf0 += a->linesize[p] / div; \
xf1 += b->linesize[p] / div; \
} \
} \
}

Definition at line 297 of file vf_xfade.c.

◆ WIPERIGHT_TRANSITION

#define WIPERIGHT_TRANSITION (   name,
  type,
  div 
)
Value:
static void wiperight##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int height = slice_end - slice_start; \
const int z = out->width * (1.f - progress); \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
for (int y = 0; y < height; y++) { \
for (int x = 0; x < out->width; x++) { \
dst[x] = x > z ? xf0[x] : xf1[x]; \
} \
\
dst += out->linesize[p] / div; \
xf0 += a->linesize[p] / div; \
xf1 += b->linesize[p] / div; \
} \
} \
}

Definition at line 327 of file vf_xfade.c.

◆ WIPEUP_TRANSITION

#define WIPEUP_TRANSITION (   name,
  type,
  div 
)
Value:
static void wipeup##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int height = slice_end - slice_start; \
const int z = out->height * progress; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
for (int y = 0; y < height; y++) { \
for (int x = 0; x < out->width; x++) { \
dst[x] = slice_start + y > z ? xf1[x] : xf0[x]; \
} \
\
dst += out->linesize[p] / div; \
xf0 += a->linesize[p] / div; \
xf1 += b->linesize[p] / div; \
} \
} \
}

Definition at line 357 of file vf_xfade.c.

◆ WIPEDOWN_TRANSITION

#define WIPEDOWN_TRANSITION (   name,
  type,
  div 
)
Value:
static void wipedown##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int height = slice_end - slice_start; \
const int z = out->height * (1.f - progress); \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
for (int y = 0; y < height; y++) { \
for (int x = 0; x < out->width; x++) { \
dst[x] = slice_start + y > z ? xf0[x] : xf1[x]; \
} \
\
dst += out->linesize[p] / div; \
xf0 += a->linesize[p] / div; \
xf1 += b->linesize[p] / div; \
} \
} \
}

Definition at line 387 of file vf_xfade.c.

◆ SLIDELEFT_TRANSITION

#define SLIDELEFT_TRANSITION (   name,
  type,
  div 
)
Value:
static void slideleft##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int height = slice_end - slice_start; \
const int width = out->width; \
const int z = -progress * width; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
for (int y = 0; y < height; y++) { \
for (int x = 0; x < width; x++) { \
const int zx = z + x; \
const int zz = zx % width + width * (zx < 0); \
dst[x] = (zx > 0) && (zx < width) ? xf1[zz] : xf0[zz]; \
} \
\
dst += out->linesize[p] / div; \
xf0 += a->linesize[p] / div; \
xf1 += b->linesize[p] / div; \
} \
} \
}

Definition at line 417 of file vf_xfade.c.

◆ SLIDERIGHT_TRANSITION

#define SLIDERIGHT_TRANSITION (   name,
  type,
  div 
)
Value:
static void slideright##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int height = slice_end - slice_start; \
const int width = out->width; \
const int z = progress * width; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
for (int y = 0; y < height; y++) { \
for (int x = 0; x < out->width; x++) { \
const int zx = z + x; \
const int zz = zx % width + width * (zx < 0); \
dst[x] = (zx > 0) && (zx < width) ? xf1[zz] : xf0[zz]; \
} \
\
dst += out->linesize[p] / div; \
xf0 += a->linesize[p] / div; \
xf1 += b->linesize[p] / div; \
} \
} \
}

Definition at line 450 of file vf_xfade.c.

◆ SLIDEUP_TRANSITION

#define SLIDEUP_TRANSITION (   name,
  type,
  div 
)
Value:
static void slideup##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int height = out->height; \
const int z = -progress * height; \
for (int p = 0; p < s->nb_planes; p++) { \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
for (int y = slice_start; y < slice_end; y++) { \
const int zy = z + y; \
const int zz = zy % height + height * (zy < 0); \
const type *xf0 = (const type *)(a->data[p] + zz * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + zz * b->linesize[p]); \
for (int x = 0; x < out->width; x++) { \
dst[x] = (zy > 0) && (zy < height) ? xf1[x] : xf0[x]; \
} \
\
dst += out->linesize[p] / div; \
} \
} \
}

Definition at line 483 of file vf_xfade.c.

◆ SLIDEDOWN_TRANSITION

#define SLIDEDOWN_TRANSITION (   name,
  type,
  div 
)
Value:
static void slidedown##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int height = out->height; \
const int z = progress * height; \
for (int p = 0; p < s->nb_planes; p++) { \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
for (int y = slice_start; y < slice_end; y++) { \
const int zy = z + y; \
const int zz = zy % height + height * (zy < 0); \
const type *xf0 = (const type *)(a->data[p] + zz * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + zz * b->linesize[p]); \
for (int x = 0; x < out->width; x++) { \
dst[x] = (zy > 0) && (zy < height) ? xf1[x] : xf0[x]; \
} \
\
dst += out->linesize[p] / div; \
} \
} \
}

Definition at line 514 of file vf_xfade.c.

◆ CIRCLECROP_TRANSITION

#define CIRCLECROP_TRANSITION (   name,
  type,
  div 
)
Value:
static void circlecrop##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const int height = out->height; \
float z = powf(2.f * fabsf(progress - 0.5f), 3.f) * hypotf(width/2, height/2); \
for (int p = 0; p < s->nb_planes; p++) { \
const int bg = s->black[p]; \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
for (int y = slice_start; y < slice_end; y++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
for (int x = 0; x < width; x++) { \
float dist = hypotf(x - width / 2, y - height / 2); \
int val = progress < 0.5f ? xf1[x] : xf0[x]; \
dst[x] = (z < dist) ? bg : val; \
} \
\
dst += out->linesize[p] / div; \
} \
} \
}

Definition at line 545 of file vf_xfade.c.

◆ RECTCROP_TRANSITION

#define RECTCROP_TRANSITION (   name,
  type,
  div 
)
Value:
static void rectcrop##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const int height = out->height; \
int zh = fabsf(progress - 0.5f) * height; \
int zw = fabsf(progress - 0.5f) * width; \
for (int p = 0; p < s->nb_planes; p++) { \
const int bg = s->black[p]; \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
for (int y = slice_start; y < slice_end; y++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
for (int x = 0; x < width; x++) { \
int dist = FFABS(x - width / 2) < zw && \
FFABS(y - height / 2) < zh; \
int val = progress < 0.5f ? xf1[x] : xf0[x]; \
dst[x] = !dist ? bg : val; \
} \
\
dst += out->linesize[p] / div; \
} \
} \
}

Definition at line 578 of file vf_xfade.c.

◆ DISTANCE_TRANSITION

#define DISTANCE_TRANSITION (   name,
  type,
  div 
)
Value:
static void distance##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float max = s->max_value; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < width; x++) { \
float dist = 0.f; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
\
dist += (xf0[x] / max - xf1[x] / max) * \
(xf0[x] / max - xf1[x] / max); \
} \
\
dist = sqrtf(dist) <= progress; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
dst[x] = mix(mix(xf0[x], xf1[x], dist), xf1[x], progress); \
} \
} \
} \
}

Definition at line 613 of file vf_xfade.c.

◆ FADEBLACK_TRANSITION

#define FADEBLACK_TRANSITION (   name,
  type,
  div 
)
Value:
static void fadeblack##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int height = slice_end - slice_start; \
const float phase = 0.2f; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
const int bg = s->black[p]; \
for (int y = 0; y < height; y++) { \
for (int x = 0; x < out->width; x++) { \
dst[x] = mix(mix(xf0[x], bg, smoothstep(1.f-phase, 1.f, progress)), \
mix(bg, xf1[x], smoothstep(phase, 1.f, progress)), \
progress); \
} \
\
dst += out->linesize[p] / div; \
xf0 += a->linesize[p] / div; \
xf1 += b->linesize[p] / div; \
} \
} \
}

Definition at line 648 of file vf_xfade.c.

◆ FADEWHITE_TRANSITION

#define FADEWHITE_TRANSITION (   name,
  type,
  div 
)
Value:
static void fadewhite##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int height = slice_end - slice_start; \
const float phase = 0.2f; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
const int bg = s->white[p]; \
for (int y = 0; y < height; y++) { \
for (int x = 0; x < out->width; x++) { \
dst[x] = mix(mix(xf0[x], bg, smoothstep(1.f-phase, 1.f, progress)), \
mix(bg, xf1[x], smoothstep(phase, 1.f, progress)), \
progress); \
} \
\
dst += out->linesize[p] / div; \
xf0 += a->linesize[p] / div; \
xf1 += b->linesize[p] / div; \
} \
} \
}

Definition at line 681 of file vf_xfade.c.

◆ RADIAL_TRANSITION

#define RADIAL_TRANSITION (   name,
  type,
  div 
)
Value:
static void radial##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const int height = out->height; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < width; x++) { \
const float smooth = atan2f(x - width / 2, y - height / 2) - \
(progress - 0.5f) * (M_PI * 2.5f); \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
} \
} \
} \
}

Definition at line 714 of file vf_xfade.c.

◆ SMOOTHLEFT_TRANSITION

#define SMOOTHLEFT_TRANSITION (   name,
  type,
  div 
)
Value:
static void smoothleft##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float w = width; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < width; x++) { \
const float smooth = 1.f + x / w - progress * 2.f; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
} \
} \
} \
}

Definition at line 742 of file vf_xfade.c.

◆ SMOOTHRIGHT_TRANSITION

#define SMOOTHRIGHT_TRANSITION (   name,
  type,
  div 
)
Value:
static void smoothright##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float w = width; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < width; x++) { \
const float smooth = 1.f + (w - 1 - x) / w - progress * 2.f; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
} \
} \
} \
}

Definition at line 770 of file vf_xfade.c.

◆ SMOOTHUP_TRANSITION

#define SMOOTHUP_TRANSITION (   name,
  type,
  div 
)
Value:
static void smoothup##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float h = out->height; \
for (int y = slice_start; y < slice_end; y++) { \
const float smooth = 1.f + y / h - progress * 2.f; \
for (int x = 0; x < width; x++) { \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
} \
} \
} \
}

Definition at line 798 of file vf_xfade.c.

◆ SMOOTHDOWN_TRANSITION

#define SMOOTHDOWN_TRANSITION (   name,
  type,
  div 
)
Value:
static void smoothdown##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float h = out->height; \
for (int y = slice_start; y < slice_end; y++) { \
const float smooth = 1.f + (h - 1 - y) / h - progress * 2.f; \
for (int x = 0; x < width; x++) { \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
} \
} \
} \
}

Definition at line 825 of file vf_xfade.c.

◆ CIRCLEOPEN_TRANSITION

#define CIRCLEOPEN_TRANSITION (   name,
  type,
  div 
)
Value:
static void circleopen##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const int height = out->height; \
const float z = hypotf(width / 2, height / 2); \
const float p = (progress - 0.5f) * 3.f; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < width; x++) { \
const float smooth = hypotf(x - width / 2, y - height / 2) / z + p; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf0[x], xf1[x], smoothstep(0.f, 1.f, smooth)); \
} \
} \
} \
}

Definition at line 852 of file vf_xfade.c.

◆ CIRCLECLOSE_TRANSITION

#define CIRCLECLOSE_TRANSITION (   name,
  type,
  div 
)
Value:
static void circleclose##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const int height = out->height; \
const float z = hypotf(width / 2, height / 2); \
const float p = (1.f - progress - 0.5f) * 3.f; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < width; x++) { \
const float smooth = hypotf(x - width / 2, y - height / 2) / z + p; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
} \
} \
} \
}

Definition at line 881 of file vf_xfade.c.

◆ VERTOPEN_TRANSITION

#define VERTOPEN_TRANSITION (   name,
  type,
  div 
)
Value:
static void vertopen##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float w2 = out->width / 2; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < width; x++) { \
const float smooth = 2.f - fabsf((x - w2) / w2) - progress * 2.f; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
} \
} \
} \
}

Definition at line 910 of file vf_xfade.c.

◆ VERTCLOSE_TRANSITION

#define VERTCLOSE_TRANSITION (   name,
  type,
  div 
)
Value:
static void vertclose##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float w2 = out->width / 2; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < width; x++) { \
const float smooth = 1.f + fabsf((x - w2) / w2) - progress * 2.f; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
} \
} \
} \
}

Definition at line 937 of file vf_xfade.c.

◆ HORZOPEN_TRANSITION

#define HORZOPEN_TRANSITION (   name,
  type,
  div 
)
Value:
static void horzopen##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float h2 = out->height / 2; \
for (int y = slice_start; y < slice_end; y++) { \
const float smooth = 2.f - fabsf((y - h2) / h2) - progress * 2.f; \
for (int x = 0; x < width; x++) { \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
} \
} \
} \
}

Definition at line 964 of file vf_xfade.c.

◆ HORZCLOSE_TRANSITION

#define HORZCLOSE_TRANSITION (   name,
  type,
  div 
)
Value:
static void horzclose##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float h2 = out->height / 2; \
for (int y = slice_start; y < slice_end; y++) { \
const float smooth = 1.f + fabsf((y - h2) / h2) - progress * 2.f; \
for (int x = 0; x < width; x++) { \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
} \
} \
} \
}

Definition at line 991 of file vf_xfade.c.

◆ DISSOLVE_TRANSITION

#define DISSOLVE_TRANSITION (   name,
  type,
  div 
)
Value:
static void dissolve##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < width; x++) { \
const float smooth = frand(x, y) * 2.f + progress * 2.f - 1.5f; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = smooth >= 0.5f ? xf0[x] : xf1[x]; \
} \
} \
} \
}

Definition at line 1025 of file vf_xfade.c.

◆ PIXELIZE_TRANSITION

#define PIXELIZE_TRANSITION (   name,
  type,
  div 
)
Value:
static void pixelize##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int w = out->width; \
const int h = out->height; \
const float d = fminf(progress, 1.f - progress); \
const float dist = ceilf(d * 50.f) / 50.f; \
const float sqx = 2.f * dist * FFMIN(w, h) / 20.f; \
const float sqy = 2.f * dist * FFMIN(w, h) / 20.f; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < w; x++) { \
int sx = dist > 0.f ? FFMIN((floorf(x / sqx) + .5f) * sqx, w - 1) : x; \
int sy = dist > 0.f ? FFMIN((floorf(y / sqy) + .5f) * sqy, h - 1) : y; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + sy * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + sy * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf0[sx], xf1[sx], progress); \
} \
} \
} \
}

Definition at line 1051 of file vf_xfade.c.

◆ DIAGTL_TRANSITION

#define DIAGTL_TRANSITION (   name,
  type,
  div 
)
Value:
static void diagtl##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float w = width; \
const float h = out->height; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < width; x++) { \
const float smooth = 1.f + x / w * y / h - progress * 2.f; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
} \
} \
} \
}

Definition at line 1083 of file vf_xfade.c.

◆ DIAGTR_TRANSITION

#define DIAGTR_TRANSITION (   name,
  type,
  div 
)
Value:
static void diagtr##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float w = width; \
const float h = out->height; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < width; x++) { \
const float smooth = 1.f + (w - 1 - x) / w * y / h - progress * 2.f; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
} \
} \
} \
}

Definition at line 1112 of file vf_xfade.c.

◆ DIAGBL_TRANSITION

#define DIAGBL_TRANSITION (   name,
  type,
  div 
)
Value:
static void diagbl##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float w = width; \
const float h = out->height; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < width; x++) { \
const float smooth = 1.f + x / w * (h - 1 - y) / h - progress * 2.f; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
} \
} \
} \
}

Definition at line 1141 of file vf_xfade.c.

◆ DIAGBR_TRANSITION

#define DIAGBR_TRANSITION (   name,
  type,
  div 
)
Value:
static void diagbr##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float w = width; \
const float h = out->height; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < width; x++) { \
const float smooth = 1.f + (w - 1 - x) / w * (h - 1 - y) / h - \
progress * 2.f; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], smoothstep(0.f, 1.f, smooth)); \
} \
} \
} \
}

Definition at line 1170 of file vf_xfade.c.

◆ HLSLICE_TRANSITION

#define HLSLICE_TRANSITION (   name,
  type,
  div 
)
Value:
static void hlslice##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float w = width; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < width; x++) { \
const float smooth = smoothstep(-0.5f, 0.f, x / w - progress * 1.5f); \
const float ss = smooth <= fract(10.f * x / w) ? 0.f : 1.f; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], ss); \
} \
} \
} \
}

Definition at line 1200 of file vf_xfade.c.

◆ HRSLICE_TRANSITION

#define HRSLICE_TRANSITION (   name,
  type,
  div 
)
Value:
static void hrslice##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float w = width; \
for (int y = slice_start; y < slice_end; y++) { \
for (int x = 0; x < width; x++) { \
const float xx = (w - 1 - x) / w; \
const float smooth = smoothstep(-0.5f, 0.f, xx - progress * 1.5f); \
const float ss = smooth <= fract(10.f * xx) ? 0.f : 1.f; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], ss); \
} \
} \
} \
}

Definition at line 1229 of file vf_xfade.c.

◆ VUSLICE_TRANSITION

#define VUSLICE_TRANSITION (   name,
  type,
  div 
)
Value:
static void vuslice##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float h = out->height; \
for (int y = slice_start; y < slice_end; y++) { \
const float smooth = smoothstep(-0.5f, 0.f, y / h - progress * 1.5f); \
const float ss = smooth <= fract(10.f * y / h) ? 0.f : 1.f; \
for (int x = 0; x < width; x++) { \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], ss); \
} \
} \
} \
}

Definition at line 1259 of file vf_xfade.c.

◆ VDSLICE_TRANSITION

#define VDSLICE_TRANSITION (   name,
  type,
  div 
)
Value:
static void vdslice##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int width = out->width; \
const float h = out->height; \
for (int y = slice_start; y < slice_end; y++) { \
const float yy = (h - 1 - y) / h; \
const float smooth = smoothstep(-0.5f, 0.f, yy - progress * 1.5f); \
const float ss = smooth <= fract(10.f * yy) ? 0.f : 1.f; \
for (int x = 0; x < width; x++) { \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + y * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + y * b->linesize[p]); \
type *dst = (type *)(out->data[p] + y * out->linesize[p]); \
\
dst[x] = mix(xf1[x], xf0[x], ss); \
} \
} \
} \
}

Definition at line 1288 of file vf_xfade.c.

◆ HBLUR_TRANSITION

#define HBLUR_TRANSITION (   name,
  type,
  div 
)

Definition at line 1318 of file vf_xfade.c.

◆ FADEGRAYS_TRANSITION

#define FADEGRAYS_TRANSITION (   name,
  type,
  div 
)

Definition at line 1362 of file vf_xfade.c.

◆ WIPETL_TRANSITION

#define WIPETL_TRANSITION (   name,
  type,
  div 
)
Value:
static void wipetl##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int height = slice_end - slice_start; \
const int zw = out->width * progress; \
const int zh = out->height * progress; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
for (int y = 0; y < height; y++) { \
for (int x = 0; x < out->width; x++) { \
dst[x] = slice_start + y <= zh && \
x <= zw ? xf0[x] : xf1[x]; \
} \
\
dst += out->linesize[p] / div; \
xf0 += a->linesize[p] / div; \
xf1 += b->linesize[p] / div; \
} \
} \
}

Definition at line 1431 of file vf_xfade.c.

◆ WIPETR_TRANSITION

#define WIPETR_TRANSITION (   name,
  type,
  div 
)
Value:
static void wipetr##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int height = slice_end - slice_start; \
const int zw = out->width * (1.f - progress); \
const int zh = out->height * progress; \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
for (int y = 0; y < height; y++) { \
for (int x = 0; x < out->width; x++) { \
dst[x] = slice_start + y <= zh && \
x > zw ? xf0[x] : xf1[x]; \
} \
\
dst += out->linesize[p] / div; \
xf0 += a->linesize[p] / div; \
xf1 += b->linesize[p] / div; \
} \
} \
}

Definition at line 1463 of file vf_xfade.c.

◆ WIPEBL_TRANSITION

#define WIPEBL_TRANSITION (   name,
  type,
  div 
)
Value:
static void wipebl##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int height = slice_end - slice_start; \
const int zw = out->width * progress; \
const int zh = out->height * (1.f - progress); \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
for (int y = 0; y < height; y++) { \
for (int x = 0; x < out->width; x++) { \
dst[x] = slice_start + y > zh && \
x <= zw ? xf0[x] : xf1[x]; \
} \
\
dst += out->linesize[p] / div; \
xf0 += a->linesize[p] / div; \
xf1 += b->linesize[p] / div; \
} \
} \
}

Definition at line 1495 of file vf_xfade.c.

◆ WIPEBR_TRANSITION

#define WIPEBR_TRANSITION (   name,
  type,
  div 
)
Value:
static void wipebr##name##_transition(AVFilterContext *ctx, \
const AVFrame *a, const AVFrame *b, AVFrame *out, \
float progress, \
int slice_start, int slice_end, int jobnr) \
{ \
XFadeContext *s = ctx->priv; \
const int height = slice_end - slice_start; \
const int zh = out->height * (1.f - progress); \
const int zw = out->width * (1.f - progress); \
for (int p = 0; p < s->nb_planes; p++) { \
const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \
const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \
type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \
for (int y = 0; y < height; y++) { \
for (int x = 0; x < out->width; x++) { \
dst[x] = slice_start + y > zh && \
x > zw ? xf0[x] : xf1[x]; \
} \
\
dst += out->linesize[p] / div; \
xf0 += a->linesize[p] / div; \
xf1 += b->linesize[p] / div; \
} \
} \
}

Definition at line 1527 of file vf_xfade.c.

◆ SQUEEZEH_TRANSITION

#define SQUEEZEH_TRANSITION (   name,
  type,
  div 
)

Definition at line 1559 of file vf_xfade.c.

◆ SQUEEZEV_TRANSITION

#define SQUEEZEV_TRANSITION (   name,
  type,
  div 
)

Definition at line 1596 of file vf_xfade.c.

◆ ZOOMIN_TRANSITION

#define ZOOMIN_TRANSITION (   name,
  type,
  div 
)

Definition at line 1640 of file vf_xfade.c.

Enumeration Type Documentation

◆ XFadeTransitions

Enumerator
CUSTOM 
FADE 
WIPELEFT 
WIPERIGHT 
WIPEUP 
WIPEDOWN 
SLIDELEFT 
SLIDERIGHT 
SLIDEUP 
SLIDEDOWN 
CIRCLECROP 
RECTCROP 
DISTANCE 
FADEBLACK 
FADEWHITE 
RADIAL 
SMOOTHLEFT 
SMOOTHRIGHT 
SMOOTHUP 
SMOOTHDOWN 
CIRCLEOPEN 
CIRCLECLOSE 
VERTOPEN 
VERTCLOSE 
HORZOPEN 
HORZCLOSE 
DISSOLVE 
PIXELIZE 
DIAGTL 
DIAGTR 
DIAGBL 
DIAGBR 
HLSLICE 
HRSLICE 
VUSLICE 
VDSLICE 
HBLUR 
FADEGRAYS 
WIPETL 
WIPETR 
WIPEBL 
WIPEBR 
SQUEEZEH 
SQUEEZEV 
ZOOMIN 
NB_TRANSITIONS 
CUSTOM 
FADE 
WIPELEFT 
WIPERIGHT 
WIPEUP 
WIPEDOWN 
SLIDELEFT 
SLIDERIGHT 
SLIDEUP 
SLIDEDOWN 
NB_TRANSITIONS 

Definition at line 31 of file vf_xfade.c.

◆ anonymous enum

anonymous enum
Enumerator
VAR_X 
VAR_Y 
VAR_W 
VAR_H 
VAR_A 
VAR_B 
VAR_PLANE 
VAR_PROGRESS 
VAR_VARS_NB 

Definition at line 112 of file vf_xfade.c.

Function Documentation

◆ query_formats()

static int query_formats ( AVFilterContext ctx)
static

Definition at line 120 of file vf_xfade.c.

◆ uninit()

static av_cold void uninit ( AVFilterContext ctx)
static

Definition at line 144 of file vf_xfade.c.

◆ AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS ( xfade  )

◆ mix()

static float mix ( float  a,
float  b,
float  mix 
)
inlinestatic

Definition at line 249 of file vf_xfade.c.

◆ fract()

static float fract ( float  a)
inlinestatic

Definition at line 254 of file vf_xfade.c.

◆ smoothstep()

static float smoothstep ( float  edge0,
float  edge1,
float  x 
)
inlinestatic

Definition at line 259 of file vf_xfade.c.

◆ frand()

static float frand ( int  x,
int  y 
)
static

Definition at line 1018 of file vf_xfade.c.

◆ zoom()

static void zoom ( float *  u,
float *  v,
float  amount 
)
static

Definition at line 1634 of file vf_xfade.c.

Referenced by activate(), filter_frame(), and output_single_frame().

◆ getpix()

static double getpix ( void *  priv,
double  x,
double  y,
int  plane,
int  nb 
)
inlinestatic

Definition at line 1678 of file vf_xfade.c.

Referenced by a0(), a1(), a2(), a3(), b0(), b1(), b2(), and b3().

◆ a0()

static double a0 ( void *  priv,
double  x,
double  y 
)
static

Definition at line 1702 of file vf_xfade.c.

Referenced by config_output().

◆ a1()

static double a1 ( void *  priv,
double  x,
double  y 
)
static

Definition at line 1703 of file vf_xfade.c.

Referenced by config_output().

◆ a2()

static double a2 ( void *  priv,
double  x,
double  y 
)
static

Definition at line 1704 of file vf_xfade.c.

Referenced by config_output().

◆ a3()

static double a3 ( void *  priv,
double  x,
double  y 
)
static

Definition at line 1705 of file vf_xfade.c.

Referenced by config_output().

◆ b0()

static double b0 ( void *  priv,
double  x,
double  y 
)
static

Definition at line 1707 of file vf_xfade.c.

Referenced by av_rescale_rnd(), biquad_process(), calc_lowcomp(), calc_lowcomp1(), cavs_idct8_add_c(), checkasm_check_synth_filter(), colorcontrast_slice16(), colorcontrast_slice16p(), colorcontrast_slice8(), colorcontrast_slice8p(), config_output(), extract_color(), ff_h264_idct8_add(), ff_ivi_recompose_haar(), ff_put_no_rnd_pixels_l2_msa(), filter_channels(), filter_frame(), filter_horizontally(), generate_noise(), horizontal_compose_daub97i_TMPL(), idct_col(), idct_row(), idctRowCondDC(), idctSparseCol(), idctSparseColAdd(), idctSparseColPut(), kaiser_beta(), set_ap(), set_highshelf_rbj(), set_hp(), set_lp(), set_params(), set_tf1s(), snow_vertical_compose97i(), spatial_compose53i_dy(), spatial_compose53i_dy_buffered(), spatial_compose97i_dy(), spatial_compose97i_dy_buffered(), spatial_compose_haari_dy_TMPL(), spatial_decompose53i(), spatial_decompose97i(), vertical_compose53iH0(), vertical_compose53iL0(), vertical_compose53iL0_TMPL(), vertical_compose97iH0(), vertical_compose97iH1(), vertical_compose97iL0(), vertical_compose97iL1(), vertical_compose_daub97iH0_TMPL(), vertical_compose_daub97iH1_TMPL(), vertical_compose_daub97iL0_TMPL(), vertical_compose_daub97iL1_TMPL(), vertical_compose_dd137iL0_TMPL(), vertical_compose_dd97iH0_TMPL(), vertical_compose_dirac53iH0_TMPL(), vertical_compose_fidelityiH0_TMPL(), vertical_compose_fidelityiL0_TMPL(), vertical_compose_haar_TMPL(), vertical_decompose53iH0(), vertical_decompose53iL0(), vertical_decompose97iH0(), vertical_decompose97iH1(), vertical_decompose97iL0(), and vertical_decompose97iL1().

◆ b1()

static double b1 ( void *  priv,
double  x,
double  y 
)
static

Definition at line 1708 of file vf_xfade.c.

Referenced by av_adler32_update(), av_rescale_rnd(), biquad_process(), calc_lowcomp(), calc_lowcomp1(), cavs_idct8_add_c(), checkasm_check_synth_filter(), colorcontrast_slice16(), colorcontrast_slice16p(), colorcontrast_slice8(), colorcontrast_slice8p(), config_input(), config_output(), dct4x4(), decode_dlta(), decode_hq_slice(), decode_move(), decode_predictor_coeffs(), decode_subband(), extract_color(), ff_eval_coefs(), ff_h264_idct8_add(), ff_ivi_recompose_haar(), ff_put_no_rnd_pixels_l2_msa(), ff_vp8_luma_dc_wht_msa(), filter_channels(), filter_frame(), filter_horizontally(), horizontal_compose_daub97i_TMPL(), idct_col(), idct_row(), idctRowCondDC(), idctSparseCol(), idctSparseColAdd(), idctSparseColPut(), kaiser_beta(), parse_chunk_headers(), residue_encode(), rgb24_to_yuv420p(), run_test(), search_for_ms(), set_ap(), set_hp(), set_lp(), set_params(), set_tf1s(), snow_vertical_compose97i(), spatial_compose53i_dy(), spatial_compose53i_dy_buffered(), spatial_compose97i_dy(), spatial_compose97i_dy_buffered(), spatial_compose_haari_dy_TMPL(), spatial_decompose53i(), spatial_decompose97i(), vertical_compose53iH0(), vertical_compose53iL0(), vertical_compose53iL0_TMPL(), vertical_compose97iH0(), vertical_compose97iH1(), vertical_compose97iL0(), vertical_compose97iL1(), vertical_compose_daub97iH0_TMPL(), vertical_compose_daub97iH1_TMPL(), vertical_compose_daub97iL0_TMPL(), vertical_compose_daub97iL1_TMPL(), vertical_compose_dd137iL0_TMPL(), vertical_compose_dd97iH0_TMPL(), vertical_compose_dirac53iH0_TMPL(), vertical_compose_fidelityiH0_TMPL(), vertical_compose_fidelityiL0_TMPL(), vertical_compose_haar_TMPL(), vertical_decompose53iH0(), vertical_decompose53iL0(), vertical_decompose97iH0(), vertical_decompose97iH1(), vertical_decompose97iL0(), vertical_decompose97iL1(), and wht4x4().

◆ b2()

static double b2 ( void *  priv,
double  x,
double  y 
)
static

Definition at line 1709 of file vf_xfade.c.

Referenced by av_adler32_update(), biquad_process(), cavs_idct8_add_c(), colorcontrast_slice16(), colorcontrast_slice16p(), colorcontrast_slice8(), colorcontrast_slice8p(), compare_by_prob(), config_input(), config_output(), decode_dlta(), decode_move(), decode_predictor_coeffs(), decode_subband(), ff_eval_coefs(), ff_h264_idct8_add(), ff_ivi_recompose_haar(), ff_put_no_rnd_pixels_l2_msa(), filter_channels(), filter_frame(), horizontal_compose_daub97i_TMPL(), idct_col(), idct_row(), idctRowCondDC(), idctSparseCol(), idctSparseColAdd(), idctSparseColPut(), parse_chunk_headers(), qpel_motion_search(), residue_encode(), run_test(), search_for_ms(), set_ap(), set_hp(), set_lp(), set_params(), snow_vertical_compose97i(), spatial_compose53i_dy(), spatial_compose53i_dy_buffered(), spatial_compose97i_dy(), spatial_compose97i_dy_buffered(), spatial_decompose53i(), spatial_decompose97i(), vertical_compose53iH0(), vertical_compose53iL0(), vertical_compose53iL0_TMPL(), vertical_compose97iH0(), vertical_compose97iH1(), vertical_compose97iL0(), vertical_compose97iL1(), vertical_compose_daub97iH0_TMPL(), vertical_compose_daub97iH1_TMPL(), vertical_compose_daub97iL0_TMPL(), vertical_compose_daub97iL1_TMPL(), vertical_compose_dd137iL0_TMPL(), vertical_compose_dd97iH0_TMPL(), vertical_compose_dirac53iH0_TMPL(), vertical_compose_fidelityiH0_TMPL(), vertical_compose_fidelityiL0_TMPL(), vertical_decompose53iH0(), vertical_decompose53iL0(), vertical_decompose97iH0(), vertical_decompose97iH1(), vertical_decompose97iL0(), and vertical_decompose97iL1().

◆ b3()

static double b3 ( void *  priv,
double  x,
double  y 
)
static

◆ config_output()

static int config_output ( AVFilterLink outlink)
static

Definition at line 1712 of file vf_xfade.c.

◆ xfade_slice()

static int xfade_slice ( AVFilterContext ctx,
void *  arg,
int  jobnr,
int  nb_jobs 
)
static

Definition at line 1854 of file vf_xfade.c.

Referenced by xfade_frame().

◆ xfade_frame()

static int xfade_frame ( AVFilterContext ctx,
AVFrame a,
AVFrame b 
)
static

Definition at line 1867 of file vf_xfade.c.

Referenced by xfade_activate().

◆ xfade_activate()

static int xfade_activate ( AVFilterContext ctx)
static

Definition at line 1889 of file vf_xfade.c.

Variable Documentation

◆ var_names

const char* const var_names[] = { "X", "Y", "W", "H", "A", "B", "PLANE", "P", NULL }
static

Definition at line 111 of file vf_xfade.c.

Referenced by config_output().

◆ xfade_options

const AVOption xfade_options[]
static

Definition at line 154 of file vf_xfade.c.

◆ xfade_inputs

const AVFilterPad xfade_inputs[]
static
Initial value:
= {
{
.name = "main",
},
{
.name = "xfade",
},
}

Definition at line 1984 of file vf_xfade.c.

◆ xfade_outputs

const AVFilterPad xfade_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = config_output,
},
}

Definition at line 1995 of file vf_xfade.c.

◆ ff_vf_xfade

const AVFilter ff_vf_xfade
Initial value:
= {
.name = "xfade",
.description = NULL_IF_CONFIG_SMALL("Cross fade one video with another video."),
.priv_size = sizeof(XFadeContext),
.priv_class = &xfade_class,
}

Definition at line 2003 of file vf_xfade.c.

name
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf default minimum maximum flags name is the option name
Definition: writing_filters.txt:88
xfade_activate
static int xfade_activate(AVFilterContext *ctx)
Definition: vf_xfade.c:1889
out
FILE * out
Definition: movenc.c:54
floorf
static __device__ float floorf(float a)
Definition: cuda_runtime.h:172
atan2f
#define atan2f(y, x)
Definition: libm.h:45
AVFrame
This structure describes decoded (raw) audio or video data.
Definition: frame.h:303
w
uint8_t w
Definition: llviddspenc.c:38
b
#define b
Definition: input.c:40
max
#define max(a, b)
Definition: cuda_runtime.h:33
mix
static float mix(float a, float b, float mix)
Definition: vf_xfade.c:249
ceilf
static __device__ float ceilf(float a)
Definition: cuda_runtime.h:175
val
static double val(void *priv, double ch)
Definition: aeval.c:76
type
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf type
Definition: writing_filters.txt:86
ss
#define ss(width, name, subs,...)
Definition: cbs_vp9.c:261
fabsf
static __device__ float fabsf(float a)
Definition: cuda_runtime.h:181
width
#define width
s
#define s(width, name)
Definition: cbs_vp9.c:257
smoothstep
static float smoothstep(float edge0, float edge1, float x)
Definition: vf_xfade.c:259
slice_end
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
Definition: mpeg12dec.c:2041
fminf
float fminf(float, float)
ctx
AVFormatContext * ctx
Definition: movenc.c:48
f
#define f(width, name)
Definition: cbs_vp9.c:255
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: internal.h:152
FFABS
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
Definition: common.h:65
activate
filter_frame For filters that do not use the activate() callback
xfade_inputs
static const AVFilterPad xfade_inputs[]
Definition: vf_xfade.c:1984
xfade_outputs
static const AVFilterPad xfade_outputs[]
Definition: vf_xfade.c:1995
for
for(j=16;j >0;--j)
Definition: h264pred_template.c:469
XFadeContext
Definition: vf_xfade.c:80
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
powf
#define powf(x, y)
Definition: libm.h:50
uninit
static av_cold void uninit(AVFilterContext *ctx)
Definition: vf_xfade.c:144
height
#define height
a
The reader does not expect b to be semantically here and if the code is changed by maybe adding a a division or other the signedness will almost certainly be mistaken To avoid this confusion a new type was SUINT is the C unsigned type but it holds a signed int to use the same example SUINT a
Definition: undefined.txt:41
frand
static float frand(int x, int y)
Definition: vf_xfade.c:1018
M_PI
#define M_PI
Definition: mathematics.h:52
config_output
static int config_output(AVFilterLink *outlink)
Definition: vf_xfade.c:1712
FFMIN
#define FFMIN(a, b)
Definition: macros.h:49
fade
static void fade(uint8_t *dst, ptrdiff_t dst_linesize, const uint8_t *src, ptrdiff_t src_linesize, int width, int height, int alpha, int beta)
Definition: vp8.c:492
fract
static float fract(float a)
Definition: vf_xfade.c:254
smooth
static float smooth(DeshakeOpenCLContext *deshake_ctx, float *gauss_kernel, int length, float max_val, AVFifoBuffer *values)
Definition: vf_deshake_opencl.c:903
AVFilterContext
An instance of a filter.
Definition: avfilter.h:346
AVFILTER_FLAG_SLICE_THREADS
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
Definition: avfilter.h:121
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: internal.h:153
d
d
Definition: ffmpeg_filter.c:156
distance
static float distance(float x, float y, int band)
Definition: nellymoserenc.c:233
h
h
Definition: vp9dsp_template.c:2038
query_formats
static int query_formats(AVFilterContext *ctx)
Definition: vf_xfade.c:120