Go to the source code of this file.
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#define | OFFSET(x) offsetof(XFadeContext, x) |
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#define | FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM) |
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#define | CUSTOM_TRANSITION(name, type, div) |
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#define | FADE_TRANSITION(name, type, div) |
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#define | WIPELEFT_TRANSITION(name, type, div) |
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#define | WIPERIGHT_TRANSITION(name, type, div) |
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#define | WIPEUP_TRANSITION(name, type, div) |
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#define | WIPEDOWN_TRANSITION(name, type, div) |
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#define | SLIDELEFT_TRANSITION(name, type, div) |
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#define | SLIDERIGHT_TRANSITION(name, type, div) |
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#define | SLIDEUP_TRANSITION(name, type, div) |
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#define | SLIDEDOWN_TRANSITION(name, type, div) |
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#define | CIRCLECROP_TRANSITION(name, type, div) |
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#define | RECTCROP_TRANSITION(name, type, div) |
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#define | DISTANCE_TRANSITION(name, type, div) |
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#define | FADEBLACK_TRANSITION(name, type, div) |
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#define | FADEWHITE_TRANSITION(name, type, div) |
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#define | RADIAL_TRANSITION(name, type, div) |
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#define | SMOOTHLEFT_TRANSITION(name, type, div) |
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#define | SMOOTHRIGHT_TRANSITION(name, type, div) |
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#define | SMOOTHUP_TRANSITION(name, type, div) |
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#define | SMOOTHDOWN_TRANSITION(name, type, div) |
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#define | CIRCLEOPEN_TRANSITION(name, type, div) |
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#define | CIRCLECLOSE_TRANSITION(name, type, div) |
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#define | VERTOPEN_TRANSITION(name, type, div) |
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#define | VERTCLOSE_TRANSITION(name, type, div) |
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#define | HORZOPEN_TRANSITION(name, type, div) |
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#define | HORZCLOSE_TRANSITION(name, type, div) |
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#define | DISSOLVE_TRANSITION(name, type, div) |
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#define | PIXELIZE_TRANSITION(name, type, div) |
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#define | DIAGTL_TRANSITION(name, type, div) |
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#define | DIAGTR_TRANSITION(name, type, div) |
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#define | DIAGBL_TRANSITION(name, type, div) |
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#define | DIAGBR_TRANSITION(name, type, div) |
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#define | HLSLICE_TRANSITION(name, type, div) |
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#define | HRSLICE_TRANSITION(name, type, div) |
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#define | VUSLICE_TRANSITION(name, type, div) |
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#define | VDSLICE_TRANSITION(name, type, div) |
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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,
NB_TRANSITIONS,
CUSTOM,
FADE,
WIPELEFT,
WIPERIGHT,
WIPEUP,
WIPEDOWN,
SLIDELEFT,
SLIDERIGHT,
SLIDEUP,
SLIDEDOWN,
NB_TRANSITIONS
} |
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enum | {
VAR_X,
VAR_Y,
VAR_W,
VAR_H,
VAR_A,
VAR_B,
VAR_PLANE,
VAR_PROGRESS,
VAR_VARS_NB
} |
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static int | query_formats (AVFilterContext *ctx) |
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static av_cold void | uninit (AVFilterContext *ctx) |
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| AVFILTER_DEFINE_CLASS (xfade) |
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static float | mix (float a, float b, float mix) |
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static float | fract (float a) |
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static float | smoothstep (float edge0, float edge1, float x) |
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static float | frand (int x, int y) |
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static double | getpix (void *priv, double x, double y, int plane, int nb) |
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static double | a0 (void *priv, double x, double y) |
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static double | a1 (void *priv, double x, double y) |
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static double | a2 (void *priv, double x, double y) |
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static double | a3 (void *priv, double x, double y) |
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static double | b0 (void *priv, double x, double y) |
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static double | b1 (void *priv, double x, double y) |
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static double | b2 (void *priv, double x, double y) |
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static double | b3 (void *priv, double x, double y) |
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static int | config_output (AVFilterLink *outlink) |
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static int | xfade_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
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static int | xfade_frame (AVFilterContext *ctx, AVFrame *a, AVFrame *b) |
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static int | xfade_activate (AVFilterContext *ctx) |
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◆ OFFSET
◆ FLAGS
◆ CUSTOM_TRANSITION
#define CUSTOM_TRANSITION |
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name, |
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type, |
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div |
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◆ FADE_TRANSITION
#define FADE_TRANSITION |
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name, |
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type, |
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div |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
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 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 252 of file vf_xfade.c.
◆ WIPELEFT_TRANSITION
#define WIPELEFT_TRANSITION |
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name, |
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type, |
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div |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
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 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 281 of file vf_xfade.c.
◆ WIPERIGHT_TRANSITION
#define WIPERIGHT_TRANSITION |
( |
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name, |
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type, |
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div |
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) |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
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 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 311 of file vf_xfade.c.
◆ WIPEUP_TRANSITION
#define WIPEUP_TRANSITION |
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name, |
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type, |
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div |
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) |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
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 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 341 of file vf_xfade.c.
◆ WIPEDOWN_TRANSITION
#define WIPEDOWN_TRANSITION |
( |
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name, |
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type, |
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div |
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) |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
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 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 371 of file vf_xfade.c.
◆ SLIDELEFT_TRANSITION
#define SLIDELEFT_TRANSITION |
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name, |
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type, |
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div |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
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]);
\
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 401 of file vf_xfade.c.
◆ SLIDERIGHT_TRANSITION
#define SLIDERIGHT_TRANSITION |
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name, |
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type, |
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div |
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) |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
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 x = 0;
x <
out->width;
x++) { \
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 434 of file vf_xfade.c.
◆ SLIDEUP_TRANSITION
#define SLIDEUP_TRANSITION |
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name, |
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type, |
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div |
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) |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
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]);
\
const int zy = z + y; \
const
type *xf0 = (
const type *)(
a->data[p] + zz *
a->linesize[p]); \
const
type *xf1 = (
const type *)(
b->data[p] + zz *
b->linesize[p]);
\
dst[
x] = (zy > 0) && (zy <
height) ? xf1[
x] : xf0[
x]; \
} \
\
dst +=
out->linesize[p] / div; \
} \
} \
}
Definition at line 467 of file vf_xfade.c.
◆ SLIDEDOWN_TRANSITION
#define SLIDEDOWN_TRANSITION |
( |
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name, |
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type, |
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div |
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) |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
for (
int p = 0; p <
s->nb_planes; p++) { \
type *dst = (
type *)(
out->data[p] + slice_start *
out->linesize[p]);
\
const int zy = z + y; \
const
type *xf0 = (
const type *)(
a->data[p] + zz *
a->linesize[p]); \
const
type *xf1 = (
const type *)(
b->data[p] + zz *
b->linesize[p]);
\
dst[
x] = (zy > 0) && (zy <
height) ? xf1[
x] : xf0[
x]; \
} \
\
dst +=
out->linesize[p] / div; \
} \
} \
}
Definition at line 498 of file vf_xfade.c.
◆ CIRCLECROP_TRANSITION
#define CIRCLECROP_TRANSITION |
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name, |
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type, |
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div |
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) |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
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]);
\
const
type *xf0 = (
const type *)(
a->data[p] + y *
a->linesize[p]); \
const
type *xf1 = (
const type *)(
b->data[p] + y *
b->linesize[p]);
\
int
val = progress < 0.5f ? xf1[
x] : xf0[
x]; \
dst[
x] = (z < dist) ? bg :
val; \
} \
\
dst +=
out->linesize[p] / div; \
} \
} \
}
Definition at line 529 of file vf_xfade.c.
◆ RECTCROP_TRANSITION
#define RECTCROP_TRANSITION |
( |
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name, |
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type, |
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div |
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) |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
int zh = fabsf(progress - 0.5
f) *
height; \
int zw = fabsf(progress - 0.5
f) *
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]);
\
const
type *xf0 = (
const type *)(
a->data[p] + y *
a->linesize[p]); \
const
type *xf1 = (
const type *)(
b->data[p] + y *
b->linesize[p]);
\
int
val = progress < 0.5f ? xf1[
x] : xf0[
x]; \
dst[
x] = !dist ? bg :
val; \
} \
\
dst +=
out->linesize[p] / div; \
} \
} \
}
Definition at line 562 of file vf_xfade.c.
◆ DISTANCE_TRANSITION
#define DISTANCE_TRANSITION |
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name, |
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type, |
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div |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float max =
s->max_value;
\
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) * \
} \
\
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 597 of file vf_xfade.c.
◆ FADEBLACK_TRANSITION
#define FADEBLACK_TRANSITION |
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type, |
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div |
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) |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
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 x = 0;
x <
out->width;
x++) { \
progress); \
} \
\
dst +=
out->linesize[p] / div; \
xf0 +=
a->linesize[p] / div; \
xf1 +=
b->linesize[p] / div; \
} \
} \
}
Definition at line 632 of file vf_xfade.c.
◆ FADEWHITE_TRANSITION
#define FADEWHITE_TRANSITION |
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name, |
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type, |
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div |
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) |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
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 x = 0;
x <
out->width;
x++) { \
progress); \
} \
\
dst +=
out->linesize[p] / div; \
xf0 +=
a->linesize[p] / div; \
xf1 +=
b->linesize[p] / div; \
} \
} \
}
Definition at line 665 of file vf_xfade.c.
◆ RADIAL_TRANSITION
#define RADIAL_TRANSITION |
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name, |
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type, |
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div |
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) |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
(progress - 0.5f) * (
M_PI * 2.5
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]); \
\
} \
} \
} \
}
Definition at line 698 of file vf_xfade.c.
◆ SMOOTHLEFT_TRANSITION
#define SMOOTHLEFT_TRANSITION |
( |
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name, |
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type, |
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div |
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) |
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Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
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]); \
\
} \
} \
} \
}
Definition at line 726 of file vf_xfade.c.
◆ SMOOTHRIGHT_TRANSITION
#define SMOOTHRIGHT_TRANSITION |
( |
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name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
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]); \
\
} \
} \
} \
}
Definition at line 754 of file vf_xfade.c.
◆ SMOOTHUP_TRANSITION
#define SMOOTHUP_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float h =
out->height;
\
const
float smooth = 1.f + 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]); \
\
} \
} \
} \
}
Definition at line 782 of file vf_xfade.c.
◆ SMOOTHDOWN_TRANSITION
#define SMOOTHDOWN_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float h =
out->height;
\
const
float smooth = 1.f + (
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]); \
\
} \
} \
} \
}
Definition at line 809 of file vf_xfade.c.
◆ CIRCLEOPEN_TRANSITION
#define CIRCLEOPEN_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float p = (progress - 0.5f) * 3.
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]); \
\
} \
} \
} \
}
Definition at line 836 of file vf_xfade.c.
◆ CIRCLECLOSE_TRANSITION
#define CIRCLECLOSE_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float p = (1.f - progress - 0.5f) * 3.
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]); \
\
} \
} \
} \
}
Definition at line 865 of file vf_xfade.c.
◆ VERTOPEN_TRANSITION
#define VERTOPEN_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float w2 =
out->width / 2;
\
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]); \
\
} \
} \
} \
}
Definition at line 894 of file vf_xfade.c.
◆ VERTCLOSE_TRANSITION
#define VERTCLOSE_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float w2 =
out->width / 2;
\
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]); \
\
} \
} \
} \
}
Definition at line 921 of file vf_xfade.c.
◆ HORZOPEN_TRANSITION
#define HORZOPEN_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float h2 =
out->height / 2;
\
const
float smooth = 2.f - fabsf((y - h2) / h2) - 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]); \
\
} \
} \
} \
}
Definition at line 948 of file vf_xfade.c.
◆ HORZCLOSE_TRANSITION
#define HORZCLOSE_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float h2 =
out->height / 2;
\
const
float smooth = 1.f + fabsf((y - h2) / h2) - 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]); \
\
} \
} \
} \
}
Definition at line 975 of file vf_xfade.c.
◆ DISSOLVE_TRANSITION
#define DISSOLVE_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
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]); \
\
} \
} \
} \
}
Definition at line 1009 of file vf_xfade.c.
◆ PIXELIZE_TRANSITION
#define PIXELIZE_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
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 x = 0;
x <
w;
x++) { \
int sx = dist > 0.f ?
FFMIN((floorf(
x / sqx) + .5
f) * sqx,
w - 1) :
x; \
int sy = dist > 0.f ?
FFMIN((floorf(y / sqy) + .5
f) * 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 1035 of file vf_xfade.c.
◆ DIAGTL_TRANSITION
#define DIAGTL_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float h =
out->height;
\
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]); \
\
} \
} \
} \
}
Definition at line 1067 of file vf_xfade.c.
◆ DIAGTR_TRANSITION
#define DIAGTR_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float h =
out->height;
\
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]); \
\
} \
} \
} \
}
Definition at line 1096 of file vf_xfade.c.
◆ DIAGBL_TRANSITION
#define DIAGBL_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float h =
out->height;
\
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]); \
\
} \
} \
} \
}
Definition at line 1125 of file vf_xfade.c.
◆ DIAGBR_TRANSITION
#define DIAGBR_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float h =
out->height;
\
const
float smooth = 1.f + (
w - 1 -
x) /
w * (
h - 1 - y) /
h - \
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]); \
\
} \
} \
} \
}
Definition at line 1154 of file vf_xfade.c.
◆ HLSLICE_TRANSITION
#define HLSLICE_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
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]); \
\
} \
} \
} \
}
Definition at line 1184 of file vf_xfade.c.
◆ HRSLICE_TRANSITION
#define HRSLICE_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float xx = (
w - 1 -
x) /
w; \
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]); \
\
} \
} \
} \
}
Definition at line 1213 of file vf_xfade.c.
◆ VUSLICE_TRANSITION
#define VUSLICE_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float h =
out->height;
\
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]); \
\
} \
} \
} \
}
Definition at line 1243 of file vf_xfade.c.
◆ VDSLICE_TRANSITION
#define VDSLICE_TRANSITION |
( |
|
name, |
|
|
|
type, |
|
|
|
div |
|
) |
| |
Value:
float progress, \
{ \
XFadeContext *
s =
ctx->priv; \
const
float h =
out->height;
\
const
float yy = (
h - 1 - y) /
h; \
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]); \
\
} \
} \
} \
}
Definition at line 1272 of file vf_xfade.c.
◆ 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 | |
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
Enumerator |
---|
VAR_X | |
VAR_Y | |
VAR_W | |
VAR_H | |
VAR_A | |
VAR_B | |
VAR_PLANE | |
VAR_PROGRESS | |
VAR_VARS_NB | |
Definition at line 102 of file vf_xfade.c.
◆ query_formats()
◆ uninit()
◆ AVFILTER_DEFINE_CLASS()
AVFILTER_DEFINE_CLASS |
( |
xfade |
| ) |
|
◆ mix()
static float mix |
( |
float |
a, |
|
|
float |
b, |
|
|
float |
mix |
|
) |
| |
|
inlinestatic |
◆ fract()
static float fract |
( |
float |
a | ) |
|
|
inlinestatic |
◆ smoothstep()
static float smoothstep |
( |
float |
edge0, |
|
|
float |
edge1, |
|
|
float |
x |
|
) |
| |
|
inlinestatic |
◆ frand()
static float frand |
( |
int |
x, |
|
|
int |
y |
|
) |
| |
|
static |
◆ getpix()
static double getpix |
( |
void * |
priv, |
|
|
double |
x, |
|
|
double |
y, |
|
|
int |
plane, |
|
|
int |
nb |
|
) |
| |
|
inlinestatic |
◆ a0()
static double a0 |
( |
void * |
priv, |
|
|
double |
x, |
|
|
double |
y |
|
) |
| |
|
static |
◆ a1()
static double a1 |
( |
void * |
priv, |
|
|
double |
x, |
|
|
double |
y |
|
) |
| |
|
static |
◆ a2()
static double a2 |
( |
void * |
priv, |
|
|
double |
x, |
|
|
double |
y |
|
) |
| |
|
static |
◆ a3()
static double a3 |
( |
void * |
priv, |
|
|
double |
x, |
|
|
double |
y |
|
) |
| |
|
static |
◆ b0()
static double b0 |
( |
void * |
priv, |
|
|
double |
x, |
|
|
double |
y |
|
) |
| |
|
static |
Definition at line 1331 of file vf_xfade.c.
Referenced by av_rescale_rnd(), calc_lowcomp(), calc_lowcomp1(), cavs_idct8_add_c(), checkasm_check_synth_filter(), config_output(), extract_color(), ff_h264_idct8_add(), ff_ivi_recompose_haar(), ff_put_no_rnd_pixels_l2_msa(), ff_snow_vertical_compose97i(), filter_frame(), filter_horizontally(), generate_noise(), horizontal_compose_daub97i(), idct_col(), idct_row(), idctRowCondDC(), idctSparseCol(), idctSparseColAdd(), idctSparseColPut(), kaiser_beta(), set_highshelf_rbj(), spatial_compose53i_dy(), spatial_compose53i_dy_buffered(), spatial_compose97i_dy(), spatial_compose97i_dy_buffered(), spatial_compose_haari_dy(), spatial_decompose53i(), spatial_decompose97i(), vertical_compose53iH0(), vertical_compose53iL0(), vertical_compose97iH0(), vertical_compose97iH1(), vertical_compose97iL0(), vertical_compose97iL1(), vertical_compose_daub97iH0(), vertical_compose_daub97iH1(), vertical_compose_daub97iL0(), vertical_compose_daub97iL1(), vertical_compose_dd137iL0(), vertical_compose_dd97iH0(), vertical_compose_dirac53iH0(), vertical_compose_fidelityiH0(), vertical_compose_fidelityiL0(), vertical_compose_haar(), 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 1332 of file vf_xfade.c.
Referenced by av_adler32_update(), av_rescale_rnd(), calc_lowcomp(), calc_lowcomp1(), cavs_idct8_add_c(), checkasm_check_synth_filter(), 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_snow_vertical_compose97i(), ff_vp8_luma_dc_wht_msa(), filter_frame(), filter_horizontally(), horizontal_compose_daub97i(), idct_col(), idct_row(), idctRowCondDC(), idctSparseCol(), idctSparseColAdd(), idctSparseColPut(), kaiser_beta(), parse_chunk_headers(), residue_encode(), rgb24_to_yuv420p(), run_test(), search_for_ms(), spatial_compose53i_dy(), spatial_compose53i_dy_buffered(), spatial_compose97i_dy(), spatial_compose97i_dy_buffered(), spatial_compose_haari_dy(), spatial_decompose53i(), spatial_decompose97i(), vertical_compose53iH0(), vertical_compose53iL0(), vertical_compose97iH0(), vertical_compose97iH1(), vertical_compose97iL0(), vertical_compose97iL1(), vertical_compose_daub97iH0(), vertical_compose_daub97iH1(), vertical_compose_daub97iL0(), vertical_compose_daub97iL1(), vertical_compose_dd137iL0(), vertical_compose_dd97iH0(), vertical_compose_dirac53iH0(), vertical_compose_fidelityiH0(), vertical_compose_fidelityiL0(), vertical_compose_haar(), vertical_decompose53iH0(), vertical_decompose53iL0(), vertical_decompose97iH0(), vertical_decompose97iH1(), vertical_decompose97iL0(), vertical_decompose97iL1(), and wht4x4().
◆ b2()
static double b2 |
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void * |
priv, |
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double |
x, |
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double |
y |
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) |
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static |
Definition at line 1333 of file vf_xfade.c.
Referenced by av_adler32_update(), cavs_idct8_add_c(), 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(), ff_snow_vertical_compose97i(), filter_frame(), horizontal_compose_daub97i(), idct_col(), idct_row(), idctRowCondDC(), idctSparseCol(), idctSparseColAdd(), idctSparseColPut(), parse_chunk_headers(), qpel_motion_search(), residue_encode(), run_test(), search_for_ms(), spatial_compose53i_dy(), spatial_compose53i_dy_buffered(), spatial_compose97i_dy(), spatial_compose97i_dy_buffered(), spatial_decompose53i(), spatial_decompose97i(), vertical_compose53iH0(), vertical_compose53iL0(), vertical_compose97iH0(), vertical_compose97iH1(), vertical_compose97iL0(), vertical_compose97iL1(), vertical_compose_daub97iH0(), vertical_compose_daub97iH1(), vertical_compose_daub97iL0(), vertical_compose_daub97iL1(), vertical_compose_dd137iL0(), vertical_compose_dd97iH0(), vertical_compose_dirac53iH0(), vertical_compose_fidelityiH0(), vertical_compose_fidelityiL0(), vertical_decompose53iH0(), vertical_decompose53iL0(), vertical_decompose97iH0(), vertical_decompose97iH1(), vertical_decompose97iL0(), and vertical_decompose97iL1().
◆ b3()
static double b3 |
( |
void * |
priv, |
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double |
x, |
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double |
y |
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static |
Definition at line 1334 of file vf_xfade.c.
Referenced by cavs_idct8_add_c(), config_output(), ff_h264_idct8_add(), ff_ivi_recompose_haar(), ff_put_no_rnd_pixels_l2_msa(), ff_snow_vertical_compose97i(), idct_col(), idct_row(), idctRowCondDC(), idctSparseCol(), idctSparseColAdd(), idctSparseColPut(), search_for_ms(), spatial_compose53i_dy(), spatial_compose53i_dy_buffered(), spatial_compose97i_dy(), spatial_compose97i_dy_buffered(), spatial_decompose53i(), spatial_decompose97i(), vertical_compose_dd137iL0(), vertical_compose_dd97iH0(), vertical_compose_fidelityiH0(), and vertical_compose_fidelityiL0().
◆ config_output()
◆ xfade_slice()
◆ xfade_frame()
◆ xfade_activate()
◆ var_names
const char* const var_names[] = { "X", "Y", "W", "H", "A", "B", "PLANE", "P", NULL } |
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◆ xfade_options
◆ xfade_inputs
Initial value:= {
{
.name = "main",
},
{
.name = "xfade",
},
}
Definition at line 1574 of file vf_xfade.c.
◆ xfade_outputs
Initial value:= {
{
.name = "default",
},
}
Definition at line 1586 of file vf_xfade.c.
◆ ff_vf_xfade
Initial value:= {
.name = "xfade",
.priv_class = &xfade_class,
}
Definition at line 1595 of file vf_xfade.c.
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
static int xfade_activate(AVFilterContext *ctx)
This structure describes decoded (raw) audio or video data.
static float mix(float a, float b, float mix)
FFmpeg Automated Testing Environment ************************************Introduction Using FATE from your FFmpeg source directory Submitting the results to the FFmpeg result aggregation server Uploading new samples to the fate suite FATE makefile targets and variables Makefile targets Makefile variables Examples Introduction **************FATE is an extended regression suite on the client side and a means for results aggregation and presentation on the server side The first part of this document explains how you can use FATE from your FFmpeg source directory to test your ffmpeg binary The second part describes how you can run FATE to submit the results to FFmpeg’s FATE server In any way you can have a look at the publicly viewable FATE results by visiting this as it can be seen if some test on some platform broke with their recent contribution This usually happens on the platforms the developers could not test on The second part of this document describes how you can run FATE to submit your results to FFmpeg’s FATE server If you want to submit your results be sure to check that your combination of OS and compiler is not already listed on the above mentioned website In the third part you can find a comprehensive listing of FATE makefile targets and variables Using FATE from your FFmpeg source directory **********************************************If you want to run FATE on your machine you need to have the samples in place You can get the samples via the build target fate rsync Use this command from the top level source this will cause FATE to fail NOTE To use a custom wrapper to run the pass ‘ target exec’ to ‘configure’ or set the TARGET_EXEC Make variable Submitting the results to the FFmpeg result aggregation server ****************************************************************To submit your results to the server you should run fate through the shell script ‘tests fate sh’ from the FFmpeg sources This script needs to be invoked with a configuration file as its first argument tests fate sh path to fate_config A configuration file template with comments describing the individual configuration variables can be found at ‘doc fate_config sh template’ Create a configuration that suits your based on the configuration template The ‘slot’ configuration variable can be any string that is not yet but it is suggested that you name it adhering to the following pattern ‘ARCH OS COMPILER COMPILER VERSION’ The configuration file itself will be sourced in a shell therefore all shell features may be used This enables you to setup the environment as you need it for your build For your first test runs the ‘fate_recv’ variable should be empty or commented out This will run everything as normal except that it will omit the submission of the results to the server The following files should be present in $workdir as specified in the configuration it may help to try out the ‘ssh’ command with one or more ‘ v’ options You should get detailed output concerning your SSH configuration and the authentication process The only thing left is to automate the execution of the fate sh script and the synchronisation of the samples directory Uploading new samples to the fate suite *****************************************If you need a sample uploaded send a mail to samples request This is for developers who have an account on the fate suite server If you upload new please make sure they are as small as space on each network bandwidth and so on benefit from smaller test cases Also keep in mind older checkouts use existing sample that means in practice generally do not remove or overwrite files as it likely would break older checkouts or releases Also all needed samples for a commit should be ideally before the push If you need an account for frequently uploading samples or you wish to help others by doing that send a mail to ffmpeg devel rsync vauL Duo x
static double val(void *priv, double ch)
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
#define ss(width, name, subs,...)
static float smoothstep(float edge0, float edge1, float x)
static int slice_end(AVCodecContext *avctx, AVFrame *pict)
Handle slice ends.
float fminf(float, float)
static const AVFilterPad outputs[]
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
filter_frame For filters that do not use the activate() callback
static const AVFilterPad xfade_inputs[]
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several inputs
static const AVFilterPad xfade_outputs[]
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
static av_cold void uninit(AVFilterContext *ctx)
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
static float frand(int x, int y)
static int config_output(AVFilterLink *outlink)
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)
static float fract(float a)
static float smooth(DeshakeOpenCLContext *deshake_ctx, float *gauss_kernel, int length, float max_val, AVFifoBuffer *values)
FFmpeg Automated Testing Environment ************************************Introduction Using FATE from your FFmpeg source directory Submitting the results to the FFmpeg result aggregation server Uploading new samples to the fate suite FATE makefile targets and variables Makefile targets Makefile variables Examples Introduction **************FATE is an extended regression suite on the client side and a means for results aggregation and presentation on the server side The first part of this document explains how you can use FATE from your FFmpeg source directory to test your ffmpeg binary The second part describes how you can run FATE to submit the results to FFmpeg’s FATE server In any way you can have a look at the publicly viewable FATE results by visiting this as it can be seen if some test on some platform broke with their recent contribution This usually happens on the platforms the developers could not test on The second part of this document describes how you can run FATE to submit your results to FFmpeg’s FATE server If you want to submit your results be sure to check that your combination of OS and compiler is not already listed on the above mentioned website In the third part you can find a comprehensive listing of FATE makefile targets and variables Using FATE from your FFmpeg source directory **********************************************If you want to run FATE on your machine you need to have the samples in place You can get the samples via the build target fate rsync Use this command from the top level source this will cause FATE to fail NOTE To use a custom wrapper to run the pass ‘ target exec’ to ‘configure’ or set the TARGET_EXEC Make variable Submitting the results to the FFmpeg result aggregation server ****************************************************************To submit your results to the server you should run fate through the shell script ‘tests fate sh’ from the FFmpeg sources This script needs to be invoked with a configuration file as its first argument tests fate sh path to fate_config A configuration file template with comments describing the individual configuration variables can be found at ‘doc fate_config sh template’ Create a configuration that suits your based on the configuration template The ‘slot’ configuration variable can be any string that is not yet but it is suggested that you name it adhering to the following pattern ‘ARCH OS COMPILER COMPILER VERSION’ The configuration file itself will be sourced in a shell therefore all shell features may be used This enables you to setup the environment as you need it for your build For your first test runs the ‘fate_recv’ variable should be empty or commented out This will run everything as normal except that it will omit the submission of the results to the server The following files should be present in $workdir as specified in the configuration it may help to try out the ‘ssh’ command with one or more ‘ v’ options You should get detailed output concerning your SSH configuration and the authentication process The only thing left is to automate the execution of the fate sh script and the synchronisation of the samples directory Uploading new samples to the fate suite *****************************************If you need a sample uploaded send a mail to samples request This is for developers who have an account on the fate suite server If you upload new please make sure they are as small as space on each network bandwidth and so on benefit from smaller test cases Also keep in mind older checkouts use existing sample that means in practice generally do not remove or overwrite files as it likely would break older checkouts or releases Also all needed samples for a commit should be ideally before the push If you need an account for frequently uploading samples or you wish to help others by doing that send a mail to ffmpeg devel rsync vauL Duo ug o o w
#define AVFILTER_FLAG_SLICE_THREADS
The filter supports multithreading by splitting frames into multiple parts and processing them concur...
static float distance(float x, float y, int band)
#define flags(name, subs,...)
static int query_formats(AVFilterContext *ctx)