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vf_xfade.c
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/*
* Copyright (c) 2020 Paul B Mahol
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/eval.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "libavutil/pixfmt.h"
#include "avfilter.h"
#include "internal.h"
#include "filters.h"
#include "video.h"
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,
FADEFAST,
FADESLOW,
HLWIND,
HRWIND,
VUWIND,
VDWIND,
COVERLEFT,
COVERRIGHT,
COVERUP,
COVERDOWN,
REVEALLEFT,
REVEALRIGHT,
REVEALUP,
REVEALDOWN,
NB_TRANSITIONS,
};
typedef struct XFadeContext {
const AVClass *class;
int transition;
int64_t duration;
int64_t offset;
char *custom_str;
int nb_planes;
int depth;
int is_rgb;
// PTS when the fade should start (in first inputs timebase)
int64_t start_pts;
// PTS offset between first and second input
int64_t inputs_offset_pts;
// Duration of the transition
int64_t duration_pts;
// Current PTS of the first input
int64_t pts;
// If frames are currently just passed through unmodified,
// like before and after the actual transition.
int passthrough;
int status[2];
AVFrame *xf[2];
int max_value;
uint16_t black[4];
uint16_t white[4];
void (*transitionf)(AVFilterContext *ctx, const AVFrame *a, const AVFrame *b, AVFrame *out, float progress,
int slice_start, int slice_end, int jobnr);
AVExpr *e;
} XFadeContext;
static const char *const var_names[] = { "X", "Y", "W", "H", "A", "B", "PLANE", "P", NULL };
enum { VAR_X, VAR_Y, VAR_W, VAR_H, VAR_A, VAR_B, VAR_PLANE, VAR_PROGRESS, VAR_VARS_NB };
typedef struct ThreadData {
const AVFrame *xf[2];
AVFrame *out;
float progress;
} ThreadData;
static const enum AVPixelFormat pix_fmts[] = {
AV_PIX_FMT_YUVA444P,
AV_PIX_FMT_YUVJ444P,
AV_PIX_FMT_YUV444P,
AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, AV_PIX_FMT_GRAY8,
AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_GBRP9,
AV_PIX_FMT_YUV444P10,
AV_PIX_FMT_YUVA444P10,
AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GRAY10,
AV_PIX_FMT_YUV444P12,
AV_PIX_FMT_YUVA444P12,
AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GRAY12,
AV_PIX_FMT_YUV444P14, AV_PIX_FMT_GBRP14,
AV_PIX_FMT_YUV444P16,
AV_PIX_FMT_YUVA444P16,
AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16, AV_PIX_FMT_GRAY16,
AV_PIX_FMT_NONE
};
static av_cold void uninit(AVFilterContext *ctx)
{
XFadeContext *s = ctx->priv;
av_expr_free(s->e);
}
#define OFFSET(x) offsetof(XFadeContext, x)
#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
static const AVOption xfade_options[] = {
{ "transition", "set cross fade transition", OFFSET(transition), AV_OPT_TYPE_INT, {.i64=FADE}, -1, NB_TRANSITIONS-1, FLAGS, .unit = "transition" },
{ "custom", "custom transition", 0, AV_OPT_TYPE_CONST, {.i64=CUSTOM}, 0, 0, FLAGS, .unit = "transition" },
{ "fade", "fade transition", 0, AV_OPT_TYPE_CONST, {.i64=FADE}, 0, 0, FLAGS, .unit = "transition" },
{ "wipeleft", "wipe left transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPELEFT}, 0, 0, FLAGS, .unit = "transition" },
{ "wiperight", "wipe right transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPERIGHT}, 0, 0, FLAGS, .unit = "transition" },
{ "wipeup", "wipe up transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEUP}, 0, 0, FLAGS, .unit = "transition" },
{ "wipedown", "wipe down transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEDOWN}, 0, 0, FLAGS, .unit = "transition" },
{ "slideleft", "slide left transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDELEFT}, 0, 0, FLAGS, .unit = "transition" },
{ "slideright", "slide right transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDERIGHT}, 0, 0, FLAGS, .unit = "transition" },
{ "slideup", "slide up transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDEUP}, 0, 0, FLAGS, .unit = "transition" },
{ "slidedown", "slide down transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDEDOWN}, 0, 0, FLAGS, .unit = "transition" },
{ "circlecrop", "circle crop transition", 0, AV_OPT_TYPE_CONST, {.i64=CIRCLECROP}, 0, 0, FLAGS, .unit = "transition" },
{ "rectcrop", "rect crop transition", 0, AV_OPT_TYPE_CONST, {.i64=RECTCROP}, 0, 0, FLAGS, .unit = "transition" },
{ "distance", "distance transition", 0, AV_OPT_TYPE_CONST, {.i64=DISTANCE}, 0, 0, FLAGS, .unit = "transition" },
{ "fadeblack", "fadeblack transition", 0, AV_OPT_TYPE_CONST, {.i64=FADEBLACK}, 0, 0, FLAGS, .unit = "transition" },
{ "fadewhite", "fadewhite transition", 0, AV_OPT_TYPE_CONST, {.i64=FADEWHITE}, 0, 0, FLAGS, .unit = "transition" },
{ "radial", "radial transition", 0, AV_OPT_TYPE_CONST, {.i64=RADIAL}, 0, 0, FLAGS, .unit = "transition" },
{ "smoothleft", "smoothleft transition", 0, AV_OPT_TYPE_CONST, {.i64=SMOOTHLEFT}, 0, 0, FLAGS, .unit = "transition" },
{ "smoothright","smoothright transition", 0, AV_OPT_TYPE_CONST, {.i64=SMOOTHRIGHT},0, 0, FLAGS, .unit = "transition" },
{ "smoothup", "smoothup transition", 0, AV_OPT_TYPE_CONST, {.i64=SMOOTHUP}, 0, 0, FLAGS, .unit = "transition" },
{ "smoothdown", "smoothdown transition", 0, AV_OPT_TYPE_CONST, {.i64=SMOOTHDOWN}, 0, 0, FLAGS, .unit = "transition" },
{ "circleopen", "circleopen transition", 0, AV_OPT_TYPE_CONST, {.i64=CIRCLEOPEN}, 0, 0, FLAGS, .unit = "transition" },
{ "circleclose","circleclose transition", 0, AV_OPT_TYPE_CONST, {.i64=CIRCLECLOSE},0, 0, FLAGS, .unit = "transition" },
{ "vertopen", "vert open transition", 0, AV_OPT_TYPE_CONST, {.i64=VERTOPEN}, 0, 0, FLAGS, .unit = "transition" },
{ "vertclose", "vert close transition", 0, AV_OPT_TYPE_CONST, {.i64=VERTCLOSE}, 0, 0, FLAGS, .unit = "transition" },
{ "horzopen", "horz open transition", 0, AV_OPT_TYPE_CONST, {.i64=HORZOPEN}, 0, 0, FLAGS, .unit = "transition" },
{ "horzclose", "horz close transition", 0, AV_OPT_TYPE_CONST, {.i64=HORZCLOSE}, 0, 0, FLAGS, .unit = "transition" },
{ "dissolve", "dissolve transition", 0, AV_OPT_TYPE_CONST, {.i64=DISSOLVE}, 0, 0, FLAGS, .unit = "transition" },
{ "pixelize", "pixelize transition", 0, AV_OPT_TYPE_CONST, {.i64=PIXELIZE}, 0, 0, FLAGS, .unit = "transition" },
{ "diagtl", "diag tl transition", 0, AV_OPT_TYPE_CONST, {.i64=DIAGTL}, 0, 0, FLAGS, .unit = "transition" },
{ "diagtr", "diag tr transition", 0, AV_OPT_TYPE_CONST, {.i64=DIAGTR}, 0, 0, FLAGS, .unit = "transition" },
{ "diagbl", "diag bl transition", 0, AV_OPT_TYPE_CONST, {.i64=DIAGBL}, 0, 0, FLAGS, .unit = "transition" },
{ "diagbr", "diag br transition", 0, AV_OPT_TYPE_CONST, {.i64=DIAGBR}, 0, 0, FLAGS, .unit = "transition" },
{ "hlslice", "hl slice transition", 0, AV_OPT_TYPE_CONST, {.i64=HLSLICE}, 0, 0, FLAGS, .unit = "transition" },
{ "hrslice", "hr slice transition", 0, AV_OPT_TYPE_CONST, {.i64=HRSLICE}, 0, 0, FLAGS, .unit = "transition" },
{ "vuslice", "vu slice transition", 0, AV_OPT_TYPE_CONST, {.i64=VUSLICE}, 0, 0, FLAGS, .unit = "transition" },
{ "vdslice", "vd slice transition", 0, AV_OPT_TYPE_CONST, {.i64=VDSLICE}, 0, 0, FLAGS, .unit = "transition" },
{ "hblur", "hblur transition", 0, AV_OPT_TYPE_CONST, {.i64=HBLUR}, 0, 0, FLAGS, .unit = "transition" },
{ "fadegrays", "fadegrays transition", 0, AV_OPT_TYPE_CONST, {.i64=FADEGRAYS}, 0, 0, FLAGS, .unit = "transition" },
{ "wipetl", "wipe tl transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPETL}, 0, 0, FLAGS, .unit = "transition" },
{ "wipetr", "wipe tr transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPETR}, 0, 0, FLAGS, .unit = "transition" },
{ "wipebl", "wipe bl transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEBL}, 0, 0, FLAGS, .unit = "transition" },
{ "wipebr", "wipe br transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEBR}, 0, 0, FLAGS, .unit = "transition" },
{ "squeezeh", "squeeze h transition", 0, AV_OPT_TYPE_CONST, {.i64=SQUEEZEH}, 0, 0, FLAGS, .unit = "transition" },
{ "squeezev", "squeeze v transition", 0, AV_OPT_TYPE_CONST, {.i64=SQUEEZEV}, 0, 0, FLAGS, .unit = "transition" },
{ "zoomin", "zoom in transition", 0, AV_OPT_TYPE_CONST, {.i64=ZOOMIN}, 0, 0, FLAGS, .unit = "transition" },
{ "fadefast", "fast fade transition", 0, AV_OPT_TYPE_CONST, {.i64=FADEFAST}, 0, 0, FLAGS, .unit = "transition" },
{ "fadeslow", "slow fade transition", 0, AV_OPT_TYPE_CONST, {.i64=FADESLOW}, 0, 0, FLAGS, .unit = "transition" },
{ "hlwind", "hl wind transition", 0, AV_OPT_TYPE_CONST, {.i64=HLWIND}, 0, 0, FLAGS, .unit = "transition" },
{ "hrwind", "hr wind transition", 0, AV_OPT_TYPE_CONST, {.i64=HRWIND}, 0, 0, FLAGS, .unit = "transition" },
{ "vuwind", "vu wind transition", 0, AV_OPT_TYPE_CONST, {.i64=VUWIND}, 0, 0, FLAGS, .unit = "transition" },
{ "vdwind", "vd wind transition", 0, AV_OPT_TYPE_CONST, {.i64=VDWIND}, 0, 0, FLAGS, .unit = "transition" },
{ "coverleft", "cover left transition", 0, AV_OPT_TYPE_CONST, {.i64=COVERLEFT}, 0, 0, FLAGS, .unit = "transition" },
{ "coverright", "cover right transition", 0, AV_OPT_TYPE_CONST, {.i64=COVERRIGHT}, 0, 0, FLAGS, .unit = "transition" },
{ "coverup", "cover up transition", 0, AV_OPT_TYPE_CONST, {.i64=COVERUP}, 0, 0, FLAGS, .unit = "transition" },
{ "coverdown", "cover down transition", 0, AV_OPT_TYPE_CONST, {.i64=COVERDOWN}, 0, 0, FLAGS, .unit = "transition" },
{ "revealleft", "reveal left transition", 0, AV_OPT_TYPE_CONST, {.i64=REVEALLEFT}, 0, 0, FLAGS, .unit = "transition" },
{ "revealright","reveal right transition",0, AV_OPT_TYPE_CONST, {.i64=REVEALRIGHT},0, 0, FLAGS, .unit = "transition" },
{ "revealup", "reveal up transition", 0, AV_OPT_TYPE_CONST, {.i64=REVEALUP}, 0, 0, FLAGS, .unit = "transition" },
{ "revealdown", "reveal down transition", 0, AV_OPT_TYPE_CONST, {.i64=REVEALDOWN}, 0, 0, FLAGS, .unit = "transition" },
{ "duration", "set cross fade duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64=1000000}, 0, 60000000, FLAGS },
{ "offset", "set cross fade start relative to first input stream", OFFSET(offset), AV_OPT_TYPE_DURATION, {.i64=0}, INT64_MIN, INT64_MAX, FLAGS },
{ "expr", "set expression for custom transition", OFFSET(custom_str), AV_OPT_TYPE_STRING, {.str=NULL}, 0, 0, FLAGS },
{ NULL }
};
AVFILTER_DEFINE_CLASS(xfade);
#define CUSTOM_TRANSITION(name, type, div) \
static void custom##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; \
\
double values[VAR_VARS_NB]; \
values[VAR_W] = width; \
values[VAR_H] = out->height; \
values[VAR_PROGRESS] = 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]); \
\
values[VAR_PLANE] = p; \
\
for (int y = 0; y < height; y++) { \
values[VAR_Y] = slice_start + y; \
for (int x = 0; x < width; x++) { \
values[VAR_X] = x; \
values[VAR_A] = xf0[x]; \
values[VAR_B] = xf1[x]; \
dst[x] = av_expr_eval(s->e, values, s); \
} \
\
dst += out->linesize[p] / div; \
xf0 += a->linesize[p] / div; \
xf1 += b->linesize[p] / div; \
} \
} \
}
CUSTOM_TRANSITION(8, uint8_t, 1)
CUSTOM_TRANSITION(16, uint16_t, 2)
static inline float mix(float a, float b, float mix)
{
return a * mix + b * (1.f - mix);
}
static inline float fract(float a)
{
return a - floorf(a);
}
static inline float smoothstep(float edge0, float edge1, float x)
{
float t;
t = av_clipf((x - edge0) / (edge1 - edge0), 0.f, 1.f);
return t * t * (3.f - 2.f * t);
}
#define FADE_TRANSITION(name, type, div) \
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; \
const int width = out->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++) { \
dst[x] = mix(xf0[x], xf1[x], progress); \
} \
\
dst += out->linesize[p] / div; \
xf0 += a->linesize[p] / div; \
xf1 += b->linesize[p] / div; \
} \
} \
}
FADE_TRANSITION(8, uint8_t, 1)
FADE_TRANSITION(16, uint16_t, 2)
#define WIPELEFT_TRANSITION(name, type, div) \
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 width = out->width; \
const int z = 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 < 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; \
} \
} \
}
WIPELEFT_TRANSITION(8, uint8_t, 1)
WIPELEFT_TRANSITION(16, uint16_t, 2)
#define WIPERIGHT_TRANSITION(name, type, div) \
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 width = out->width; \
const int z = 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 < 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; \
} \
} \
}
WIPERIGHT_TRANSITION(8, uint8_t, 1)
WIPERIGHT_TRANSITION(16, uint16_t, 2)
#define WIPEUP_TRANSITION(name, type, div) \
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 width = out->width; \
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 < 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; \
} \
} \
}
WIPEUP_TRANSITION(8, uint8_t, 1)
WIPEUP_TRANSITION(16, uint16_t, 2)
#define WIPEDOWN_TRANSITION(name, type, div) \
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 width = out->width; \
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 < 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; \
} \
} \
}
WIPEDOWN_TRANSITION(8, uint8_t, 1)
WIPEDOWN_TRANSITION(16, uint16_t, 2)
#define SLIDELEFT_TRANSITION(name, type, div) \
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; \
} \
} \
}
SLIDELEFT_TRANSITION(8, uint8_t, 1)
SLIDELEFT_TRANSITION(16, uint16_t, 2)
#define SLIDERIGHT_TRANSITION(name, type, div) \
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 < 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; \
} \
} \
}
SLIDERIGHT_TRANSITION(8, uint8_t, 1)
SLIDERIGHT_TRANSITION(16, uint16_t, 2)
#define SLIDEUP_TRANSITION(name, type, div) \
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 width = out->width; \
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 < width; x++) { \
dst[x] = (zy >= 0) && (zy < height) ? xf1[x] : xf0[x]; \
} \
\
dst += out->linesize[p] / div; \
} \
} \
}
SLIDEUP_TRANSITION(8, uint8_t, 1)
SLIDEUP_TRANSITION(16, uint16_t, 2)
#define SLIDEDOWN_TRANSITION(name, type, div) \
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 width = out->width; \
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 < width; x++) { \
dst[x] = (zy >= 0) && (zy < height) ? xf1[x] : xf0[x]; \
} \
\
dst += out->linesize[p] / div; \
} \
} \
}
SLIDEDOWN_TRANSITION(8, uint8_t, 1)
SLIDEDOWN_TRANSITION(16, uint16_t, 2)
#define CIRCLECROP_TRANSITION(name, type, div) \
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; \
} \
} \
}
CIRCLECROP_TRANSITION(8, uint8_t, 1)
CIRCLECROP_TRANSITION(16, uint16_t, 2)
#define RECTCROP_TRANSITION(name, type, div) \
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; \
} \
} \
}
RECTCROP_TRANSITION(8, uint8_t, 1)
RECTCROP_TRANSITION(16, uint16_t, 2)
#define DISTANCE_TRANSITION(name, type, div) \
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); \
} \
} \
} \
}
DISTANCE_TRANSITION(8, uint8_t, 1)
DISTANCE_TRANSITION(16, uint16_t, 2)
#define FADEBLACK_TRANSITION(name, type, div) \
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 int width = out->width; \
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 < 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; \
} \
} \
}
FADEBLACK_TRANSITION(8, uint8_t, 1)
FADEBLACK_TRANSITION(16, uint16_t, 2)
#define FADEWHITE_TRANSITION(name, type, div) \
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 int width = out->width; \
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 < 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; \
} \
} \
}
FADEWHITE_TRANSITION(8, uint8_t, 1)
FADEWHITE_TRANSITION(16, uint16_t, 2)
#define RADIAL_TRANSITION(name, type, div) \
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)); \
} \
} \
} \
}
RADIAL_TRANSITION(8, uint8_t, 1)
RADIAL_TRANSITION(16, uint16_t, 2)
#define SMOOTHLEFT_TRANSITION(name, type, div) \
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)); \
} \
} \
} \
}
SMOOTHLEFT_TRANSITION(8, uint8_t, 1)
SMOOTHLEFT_TRANSITION(16, uint16_t, 2)
#define SMOOTHRIGHT_TRANSITION(name, type, div) \
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)); \
} \
} \
} \
}
SMOOTHRIGHT_TRANSITION(8, uint8_t, 1)
SMOOTHRIGHT_TRANSITION(16, uint16_t, 2)
#define SMOOTHUP_TRANSITION(name, type, div) \
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)); \
} \
} \
} \
}
SMOOTHUP_TRANSITION(8, uint8_t, 1)
SMOOTHUP_TRANSITION(16, uint16_t, 2)
#define SMOOTHDOWN_TRANSITION(name, type, div) \
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)); \
} \
} \
} \
}
SMOOTHDOWN_TRANSITION(8, uint8_t, 1)
SMOOTHDOWN_TRANSITION(16, uint16_t, 2)
#define CIRCLEOPEN_TRANSITION(name, type, div) \
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)); \
} \
} \
} \
}
CIRCLEOPEN_TRANSITION(8, uint8_t, 1)
CIRCLEOPEN_TRANSITION(16, uint16_t, 2)
#define CIRCLECLOSE_TRANSITION(name, type, div) \
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)); \
} \
} \
} \
}
CIRCLECLOSE_TRANSITION(8, uint8_t, 1)
CIRCLECLOSE_TRANSITION(16, uint16_t, 2)
#define VERTOPEN_TRANSITION(name, type, div) \
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)); \
} \
} \
} \
}
VERTOPEN_TRANSITION(8, uint8_t, 1)
VERTOPEN_TRANSITION(16, uint16_t, 2)
#define VERTCLOSE_TRANSITION(name, type, div) \
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 nb_planes = s->nb_planes; \
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 < 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)); \
} \
} \
} \