]> git.sesse.net Git - ffmpeg/blobdiff - libavfilter/vf_xfade.c
avfilter: Constify all AVFilters
[ffmpeg] / libavfilter / vf_xfade.c
index 543c675994b318a3e4cb36d617d9ec3933bda199..2e075cfb9aa4996c1661b2b7f11dbf5c81350e5a 100644 (file)
@@ -49,6 +49,30 @@ enum XFadeTransitions {
     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,
     NB_TRANSITIONS,
 };
 
@@ -62,6 +86,7 @@ typedef struct XFadeContext {
 
     int nb_planes;
     int depth;
+    int is_rgb;
 
     int64_t duration_pts;
     int64_t offset_pts;
@@ -150,6 +175,30 @@ static const AVOption xfade_options[] = {
     {   "smoothright","smoothright transition", 0, AV_OPT_TYPE_CONST, {.i64=SMOOTHRIGHT},0, 0, FLAGS, "transition" },
     {   "smoothup",   "smoothup transition",    0, AV_OPT_TYPE_CONST, {.i64=SMOOTHUP},   0, 0, FLAGS, "transition" },
     {   "smoothdown", "smoothdown transition",  0, AV_OPT_TYPE_CONST, {.i64=SMOOTHDOWN}, 0, 0, FLAGS, "transition" },
+    {   "circleopen", "circleopen transition",  0, AV_OPT_TYPE_CONST, {.i64=CIRCLEOPEN}, 0, 0, FLAGS, "transition" },
+    {   "circleclose","circleclose transition", 0, AV_OPT_TYPE_CONST, {.i64=CIRCLECLOSE},0, 0, FLAGS, "transition" },
+    {   "vertopen",   "vert open transition",   0, AV_OPT_TYPE_CONST, {.i64=VERTOPEN},   0, 0, FLAGS, "transition" },
+    {   "vertclose",  "vert close transition",  0, AV_OPT_TYPE_CONST, {.i64=VERTCLOSE},  0, 0, FLAGS, "transition" },
+    {   "horzopen",   "horz open transition",   0, AV_OPT_TYPE_CONST, {.i64=HORZOPEN},   0, 0, FLAGS, "transition" },
+    {   "horzclose",  "horz close transition",  0, AV_OPT_TYPE_CONST, {.i64=HORZCLOSE},  0, 0, FLAGS, "transition" },
+    {   "dissolve",   "dissolve transition",    0, AV_OPT_TYPE_CONST, {.i64=DISSOLVE},   0, 0, FLAGS, "transition" },
+    {   "pixelize",   "pixelize transition",    0, AV_OPT_TYPE_CONST, {.i64=PIXELIZE},   0, 0, FLAGS, "transition" },
+    {   "diagtl",     "diag tl transition",     0, AV_OPT_TYPE_CONST, {.i64=DIAGTL},     0, 0, FLAGS, "transition" },
+    {   "diagtr",     "diag tr transition",     0, AV_OPT_TYPE_CONST, {.i64=DIAGTR},     0, 0, FLAGS, "transition" },
+    {   "diagbl",     "diag bl transition",     0, AV_OPT_TYPE_CONST, {.i64=DIAGBL},     0, 0, FLAGS, "transition" },
+    {   "diagbr",     "diag br transition",     0, AV_OPT_TYPE_CONST, {.i64=DIAGBR},     0, 0, FLAGS, "transition" },
+    {   "hlslice",    "hl slice transition",    0, AV_OPT_TYPE_CONST, {.i64=HLSLICE},    0, 0, FLAGS, "transition" },
+    {   "hrslice",    "hr slice transition",    0, AV_OPT_TYPE_CONST, {.i64=HRSLICE},    0, 0, FLAGS, "transition" },
+    {   "vuslice",    "vu slice transition",    0, AV_OPT_TYPE_CONST, {.i64=VUSLICE},    0, 0, FLAGS, "transition" },
+    {   "vdslice",    "vd slice transition",    0, AV_OPT_TYPE_CONST, {.i64=VDSLICE},    0, 0, FLAGS, "transition" },
+    {   "hblur",      "hblur transition",       0, AV_OPT_TYPE_CONST, {.i64=HBLUR},      0, 0, FLAGS, "transition" },
+    {   "fadegrays",  "fadegrays transition",   0, AV_OPT_TYPE_CONST, {.i64=FADEGRAYS},  0, 0, FLAGS, "transition" },
+    {   "wipetl",     "wipe tl transition",     0, AV_OPT_TYPE_CONST, {.i64=WIPETL},     0, 0, FLAGS, "transition" },
+    {   "wipetr",     "wipe tr transition",     0, AV_OPT_TYPE_CONST, {.i64=WIPETR},     0, 0, FLAGS, "transition" },
+    {   "wipebl",     "wipe bl transition",     0, AV_OPT_TYPE_CONST, {.i64=WIPEBL},     0, 0, FLAGS, "transition" },
+    {   "wipebr",     "wipe br transition",     0, AV_OPT_TYPE_CONST, {.i64=WIPEBR},     0, 0, FLAGS, "transition" },
+    {   "squeezeh",   "squeeze h transition",   0, AV_OPT_TYPE_CONST, {.i64=SQUEEZEH},   0, 0, FLAGS, "transition" },
+    {   "squeezev",   "squeeze v transition",   0, AV_OPT_TYPE_CONST, {.i64=SQUEEZEV},   0, 0, FLAGS, "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 },
@@ -203,6 +252,11 @@ 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;
@@ -796,165 +850,987 @@ static void smoothdown##name##_transition(AVFilterContext *ctx,
 SMOOTHDOWN_TRANSITION(8, uint8_t, 1)
 SMOOTHDOWN_TRANSITION(16, uint16_t, 2)
 
-static inline double getpix(void *priv, double x, double y, int plane, int nb)
-{
-    XFadeContext *s = priv;
-    AVFrame *in = s->xf[nb];
-    const uint8_t *src = in->data[FFMIN(plane, s->nb_planes - 1)];
-    int linesize = in->linesize[FFMIN(plane, s->nb_planes - 1)];
-    const int w = in->width;
-    const int h = in->height;
-
-    int xi, yi;
-
-    xi = av_clipd(x, 0, w - 1);
-    yi = av_clipd(y, 0, h - 1);
-
-    if (s->depth > 8) {
-        const uint16_t *src16 = (const uint16_t*)src;
-
-        linesize /= 2;
-        return src16[xi + yi * linesize];
-    } else {
-        return src[xi + yi * linesize];
-    }
+#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));          \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
 }
 
-static double a0(void *priv, double x, double y) { return getpix(priv, x, y, 0, 0); }
-static double a1(void *priv, double x, double y) { return getpix(priv, x, y, 1, 0); }
-static double a2(void *priv, double x, double y) { return getpix(priv, x, y, 2, 0); }
-static double a3(void *priv, double x, double y) { return getpix(priv, x, y, 3, 0); }
-
-static double b0(void *priv, double x, double y) { return getpix(priv, x, y, 0, 1); }
-static double b1(void *priv, double x, double y) { return getpix(priv, x, y, 1, 1); }
-static double b2(void *priv, double x, double y) { return getpix(priv, x, y, 2, 1); }
-static double b3(void *priv, double x, double y) { return getpix(priv, x, y, 3, 1); }
-
-static int config_output(AVFilterLink *outlink)
-{
-    AVFilterContext *ctx = outlink->src;
-    AVFilterLink *inlink0 = ctx->inputs[0];
-    AVFilterLink *inlink1 = ctx->inputs[1];
-    XFadeContext *s = ctx->priv;
-    const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink0->format);
-    int is_rgb;
-
-    if (inlink0->format != inlink1->format) {
-        av_log(ctx, AV_LOG_ERROR, "inputs must be of same pixel format\n");
-        return AVERROR(EINVAL);
-    }
-    if (inlink0->w != inlink1->w || inlink0->h != inlink1->h) {
-        av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
-               "(size %dx%d) do not match the corresponding "
-               "second input link %s parameters (size %dx%d)\n",
-               ctx->input_pads[0].name, inlink0->w, inlink0->h,
-               ctx->input_pads[1].name, inlink1->w, inlink1->h);
-        return AVERROR(EINVAL);
-    }
+CIRCLEOPEN_TRANSITION(8, uint8_t, 1)
+CIRCLEOPEN_TRANSITION(16, uint16_t, 2)
 
-    if (inlink0->time_base.num != inlink1->time_base.num ||
-        inlink0->time_base.den != inlink1->time_base.den) {
-        av_log(ctx, AV_LOG_ERROR, "First input link %s timebase "
-               "(%d/%d) do not match the corresponding "
-               "second input link %s timebase (%d/%d)\n",
-               ctx->input_pads[0].name, inlink0->time_base.num, inlink0->time_base.den,
-               ctx->input_pads[1].name, inlink1->time_base.num, inlink1->time_base.den);
-        return AVERROR(EINVAL);
-    }
+#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));          \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
 
-    outlink->w = inlink0->w;
-    outlink->h = inlink0->h;
-    outlink->time_base = inlink0->time_base;
-    outlink->sample_aspect_ratio = inlink0->sample_aspect_ratio;
-    outlink->frame_rate = inlink0->frame_rate;
+CIRCLECLOSE_TRANSITION(8, uint8_t, 1)
+CIRCLECLOSE_TRANSITION(16, uint16_t, 2)
 
-    s->depth = pix_desc->comp[0].depth;
-    is_rgb = !!(pix_desc->flags & AV_PIX_FMT_FLAG_RGB);
-    s->nb_planes = av_pix_fmt_count_planes(inlink0->format);
-    s->max_value = (1 << s->depth) - 1;
-    s->black[0] = 0;
-    s->black[1] = s->black[2] = is_rgb ? 0 : s->max_value / 2;
-    s->black[3] = s->max_value;
-    s->white[0] = s->white[3] = s->max_value;
-    s->white[1] = s->white[2] = is_rgb ? s->max_value : s->max_value / 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));          \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
 
-    s->first_pts = s->last_pts = s->pts = AV_NOPTS_VALUE;
+VERTOPEN_TRANSITION(8, uint8_t, 1)
+VERTOPEN_TRANSITION(16, uint16_t, 2)
 
-    if (s->duration)
-        s->duration_pts = av_rescale_q(s->duration, AV_TIME_BASE_Q, outlink->time_base);
-    if (s->offset)
-        s->offset_pts = av_rescale_q(s->offset, AV_TIME_BASE_Q, outlink->time_base);
+#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 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));          \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
 
-    switch (s->transition) {
-    case CUSTOM:     s->transitionf = s->depth <= 8 ? custom8_transition     : custom16_transition;     break;
-    case FADE:       s->transitionf = s->depth <= 8 ? fade8_transition       : fade16_transition;       break;
-    case WIPELEFT:   s->transitionf = s->depth <= 8 ? wipeleft8_transition   : wipeleft16_transition;   break;
-    case WIPERIGHT:  s->transitionf = s->depth <= 8 ? wiperight8_transition  : wiperight16_transition;  break;
-    case WIPEUP:     s->transitionf = s->depth <= 8 ? wipeup8_transition     : wipeup16_transition;     break;
-    case WIPEDOWN:   s->transitionf = s->depth <= 8 ? wipedown8_transition   : wipedown16_transition;   break;
-    case SLIDELEFT:  s->transitionf = s->depth <= 8 ? slideleft8_transition  : slideleft16_transition;  break;
-    case SLIDERIGHT: s->transitionf = s->depth <= 8 ? slideright8_transition : slideright16_transition; break;
-    case SLIDEUP:    s->transitionf = s->depth <= 8 ? slideup8_transition    : slideup16_transition;    break;
-    case SLIDEDOWN:  s->transitionf = s->depth <= 8 ? slidedown8_transition  : slidedown16_transition;  break;
-    case CIRCLECROP: s->transitionf = s->depth <= 8 ? circlecrop8_transition : circlecrop16_transition; break;
-    case RECTCROP:   s->transitionf = s->depth <= 8 ? rectcrop8_transition   : rectcrop16_transition;   break;
-    case DISTANCE:   s->transitionf = s->depth <= 8 ? distance8_transition   : distance16_transition;   break;
-    case FADEBLACK:  s->transitionf = s->depth <= 8 ? fadeblack8_transition  : fadeblack16_transition;  break;
-    case FADEWHITE:  s->transitionf = s->depth <= 8 ? fadewhite8_transition  : fadewhite16_transition;  break;
-    case RADIAL:     s->transitionf = s->depth <= 8 ? radial8_transition     : radial16_transition;     break;
-    case SMOOTHLEFT: s->transitionf = s->depth <= 8 ? smoothleft8_transition : smoothleft16_transition; break;
-    case SMOOTHRIGHT:s->transitionf = s->depth <= 8 ? smoothright8_transition: smoothright16_transition;break;
-    case SMOOTHUP:   s->transitionf = s->depth <= 8 ? smoothup8_transition   : smoothup16_transition;   break;
-    case SMOOTHDOWN: s->transitionf = s->depth <= 8 ? smoothdown8_transition : smoothdown16_transition; break;
-    }
+VERTCLOSE_TRANSITION(8, uint8_t, 1)
+VERTCLOSE_TRANSITION(16, uint16_t, 2)
 
-    if (s->transition == CUSTOM) {
-        static const char *const func2_names[]    = {
-            "a0", "a1", "a2", "a3",
-            "b0", "b1", "b2", "b3",
-            NULL
-        };
-        double (*func2[])(void *, double, double) = {
-            a0, a1, a2, a3,
-            b0, b1, b2, b3,
-            NULL };
-        int ret;
+#define HORZOPEN_TRANSITION(name, type, div)                                         \
+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));          \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
 
-        if (!s->custom_str)
-            return AVERROR(EINVAL);
-        ret = av_expr_parse(&s->e, s->custom_str, var_names,
-                            NULL, NULL, func2_names, func2, 0, ctx);
-        if (ret < 0)
-            return ret;
-    }
+HORZOPEN_TRANSITION(8, uint8_t, 1)
+HORZOPEN_TRANSITION(16, uint16_t, 2)
 
-    return 0;
+#define HORZCLOSE_TRANSITION(name, type, div)                                        \
+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));          \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
 }
 
-static int xfade_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
-{
-    XFadeContext *s = ctx->priv;
-    AVFilterLink *outlink = ctx->outputs[0];
-    ThreadData *td = arg;
-    int slice_start = (outlink->h *  jobnr   ) / nb_jobs;
-    int slice_end   = (outlink->h * (jobnr+1)) / nb_jobs;
+HORZCLOSE_TRANSITION(8, uint8_t, 1)
+HORZCLOSE_TRANSITION(16, uint16_t, 2)
 
-    s->transitionf(ctx, td->xf[0], td->xf[1], td->out, td->progress, slice_start, slice_end, jobnr);
+static float frand(int x, int y)
+{
+    const float r = sinf(x * 12.9898f + y * 78.233f) * 43758.545f;
 
-    return 0;
+    return r - floorf(r);
 }
 
-static int xfade_frame(AVFilterContext *ctx, AVFrame *a, AVFrame *b)
-{
-    XFadeContext *s = ctx->priv;
-    AVFilterLink *outlink = ctx->outputs[0];
-    float progress = av_clipf(1.f - ((float)(s->pts - s->first_pts - s->offset_pts) / s->duration_pts), 0.f, 1.f);
-    ThreadData td;
-    AVFrame *out;
-
-    out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
-    if (!out)
+#define DISSOLVE_TRANSITION(name, type, div)                                         \
+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];                           \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
+
+DISSOLVE_TRANSITION(8, uint8_t, 1)
+DISSOLVE_TRANSITION(16, uint16_t, 2)
+
+#define PIXELIZE_TRANSITION(name, type, div)                                         \
+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);                            \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
+
+PIXELIZE_TRANSITION(8, uint8_t, 1)
+PIXELIZE_TRANSITION(16, uint16_t, 2)
+
+#define DIAGTL_TRANSITION(name, type, div)                                           \
+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));          \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
+
+DIAGTL_TRANSITION(8, uint8_t, 1)
+DIAGTL_TRANSITION(16, uint16_t, 2)
+
+#define DIAGTR_TRANSITION(name, type, div)                                           \
+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));          \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
+
+DIAGTR_TRANSITION(8, uint8_t, 1)
+DIAGTR_TRANSITION(16, uint16_t, 2)
+
+#define DIAGBL_TRANSITION(name, type, div)                                           \
+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));          \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
+
+DIAGBL_TRANSITION(8, uint8_t, 1)
+DIAGBL_TRANSITION(16, uint16_t, 2)
+
+#define DIAGBR_TRANSITION(name, type, div)                                           \
+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));          \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
+
+DIAGBR_TRANSITION(8, uint8_t, 1)
+DIAGBR_TRANSITION(16, uint16_t, 2)
+
+#define HLSLICE_TRANSITION(name, type, div)                                          \
+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);                                    \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
+
+HLSLICE_TRANSITION(8, uint8_t, 1)
+HLSLICE_TRANSITION(16, uint16_t, 2)
+
+#define HRSLICE_TRANSITION(name, type, div)                                          \
+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);                                    \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
+
+HRSLICE_TRANSITION(8, uint8_t, 1)
+HRSLICE_TRANSITION(16, uint16_t, 2)
+
+#define VUSLICE_TRANSITION(name, type, div)                                          \
+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);                                    \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
+
+VUSLICE_TRANSITION(8, uint8_t, 1)
+VUSLICE_TRANSITION(16, uint16_t, 2)
+
+#define VDSLICE_TRANSITION(name, type, div)                                          \
+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);                                    \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
+
+VDSLICE_TRANSITION(8, uint8_t, 1)
+VDSLICE_TRANSITION(16, uint16_t, 2)
+
+#define HBLUR_TRANSITION(name, type, div)                                            \
+static void hblur##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 prog = progress <= 0.5f ? progress * 2.f : (1.f - progress) * 2.f;   \
+    const int size = 1 + (width / 2) * prog;                                         \
+                                                                                     \
+    for (int y = slice_start; y < slice_end; y++) {                                  \
+        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]);               \
+            float sum0 = 0.f;                                                        \
+            float sum1 = 0.f;                                                        \
+            float cnt = size;                                                        \
+                                                                                     \
+            for (int x = 0; x < size; x++) {                                         \
+                sum0 += xf0[x];                                                      \
+                sum1 += xf1[x];                                                      \
+            }                                                                        \
+                                                                                     \
+            for (int x = 0; x < width; x++) {                                        \
+                dst[x] = mix(sum0 / cnt, sum1 / cnt, progress);                      \
+                                                                                     \
+                if (x + size < width) {                                              \
+                    sum0 += xf0[x + size] - xf0[x];                                  \
+                    sum1 += xf1[x + size] - xf1[x];                                  \
+                } else {                                                             \
+                    sum0 -= xf0[x];                                                  \
+                    sum1 -= xf1[x];                                                  \
+                    cnt--;                                                           \
+                }                                                                    \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
+
+HBLUR_TRANSITION(8, uint8_t, 1)
+HBLUR_TRANSITION(16, uint16_t, 2)
+
+#define FADEGRAYS_TRANSITION(name, type, div)                                        \
+static void fadegrays##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 is_rgb = s->is_rgb;                                                    \
+    const int mid = (s->max_value + 1) / 2;                                          \
+    const float phase = 0.2f;                                                        \
+                                                                                     \
+    for (int y = slice_start; y < slice_end; y++) {                                  \
+        for (int x = 0; x < width; x++) {                                            \
+            int bg[2][4];                                                            \
+            if (is_rgb) {                                                            \
+                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]);            \
+                    if (p == 3) {                                                    \
+                        bg[0][3] = xf0[x];                                           \
+                        bg[1][3] = xf1[x];                                           \
+                    } else  {                                                        \
+                        bg[0][0] += xf0[x];                                          \
+                        bg[1][0] += xf1[x];                                          \
+                    }                                                                \
+                }                                                                    \
+                bg[0][0] = bg[0][0] / 3;                                             \
+                bg[1][0] = bg[1][0] / 3;                                             \
+                bg[0][1] = bg[0][2] = bg[0][0];                                      \
+                bg[1][1] = bg[1][2] = bg[1][0];                                      \
+            } else {                                                                 \
+                const type *yf0 = (const type *)(a->data[0] +                        \
+                                                 y * a->linesize[0]);                \
+                const type *yf1 = (const type *)(b->data[0] +                        \
+                                                 y * a->linesize[0]);                \
+                bg[0][0] = yf0[x];                                                   \
+                bg[1][0] = yf1[x];                                                   \
+                if (s->nb_planes == 4) {                                             \
+                    const type *af0 = (const type *)(a->data[3] +                    \
+                                                     y * a->linesize[3]);            \
+                    const type *af1 = (const type *)(b->data[3] +                    \
+                                                     y * a->linesize[3]);            \
+                    bg[0][3] = af0[x];                                               \
+                    bg[1][3] = af1[x];                                               \
+                }                                                                    \
+                bg[0][1] = bg[1][1] = mid;                                           \
+                bg[0][2] = bg[1][2] = mid;                                           \
+            }                                                                        \
+                                                                                     \
+            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], bg[0][p],                                   \
+                                 smoothstep(1.f-phase, 1.f, progress)),              \
+                         mix(bg[1][p], xf1[x], smoothstep(phase, 1.f, progress)),    \
+                             progress);                                              \
+            }                                                                        \
+        }                                                                            \
+    }                                                                                \
+}
+
+FADEGRAYS_TRANSITION(8, uint8_t, 1)
+FADEGRAYS_TRANSITION(16, uint16_t, 2)
+
+#define WIPETL_TRANSITION(name, type, div)                                           \
+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;                                             \
+        }                                                                            \
+    }                                                                                \
+}
+
+WIPETL_TRANSITION(8, uint8_t, 1)
+WIPETL_TRANSITION(16, uint16_t, 2)
+
+#define WIPETR_TRANSITION(name, type, div)                                           \
+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;                                             \
+        }                                                                            \
+    }                                                                                \
+}
+
+WIPETR_TRANSITION(8, uint8_t, 1)
+WIPETR_TRANSITION(16, uint16_t, 2)
+
+#define WIPEBL_TRANSITION(name, type, div)                                           \
+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;                                             \
+        }                                                                            \
+    }                                                                                \
+}
+
+WIPEBL_TRANSITION(8, uint8_t, 1)
+WIPEBL_TRANSITION(16, uint16_t, 2)
+
+#define WIPEBR_TRANSITION(name, type, div)                                           \
+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;                                             \
+        }                                                                            \
+    }                                                                                \
+}
+
+WIPEBR_TRANSITION(8, uint8_t, 1)
+WIPEBR_TRANSITION(16, uint16_t, 2)
+
+#define SQUEEZEH_TRANSITION(name, type, div)                                         \
+static void squeezeh##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 float h = out->height;                                                     \
+    const int height = slice_end - slice_start;                                      \
+                                                                                     \
+    for (int p = 0; p < s->nb_planes; 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++) {                                           \
+            const float z = .5f + ((slice_start + y) / h - .5f) / progress;          \
+                                                                                     \
+            if (z < 0.f || z > 1.f) {                                                \
+                for (int x = 0; x < out->width; x++)                                 \
+                    dst[x] = xf1[x];                                                 \
+            } else {                                                                 \
+                const int yy = lrintf(z * (h - 1.f));                                \
+                const type *xf0 = (const type *)(a->data[p] + yy * a->linesize[p]);  \
+                                                                                     \
+                for (int x = 0; x < out->width; x++)                                 \
+                    dst[x] = xf0[x];                                                 \
+            }                                                                        \
+                                                                                     \
+            dst += out->linesize[p] / div;                                           \
+            xf1 += b->linesize[p] / div;                                             \
+        }                                                                            \
+    }                                                                                \
+}
+
+SQUEEZEH_TRANSITION(8, uint8_t, 1)
+SQUEEZEH_TRANSITION(16, uint16_t, 2)
+
+#define SQUEEZEV_TRANSITION(name, type, div)                                         \
+static void squeezev##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 float w = out->width;                                                      \
+    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++) {                                   \
+                const float z = .5f + (x / w - .5f) / progress;                      \
+                                                                                     \
+                if (z < 0.f || z > 1.f) {                                            \
+                    dst[x] = xf1[x];                                                 \
+                } else {                                                             \
+                    const int xx = lrintf(z * (w - 1.f));                            \
+                                                                                     \
+                    dst[x] = xf0[xx];                                                \
+                }                                                                    \
+            }                                                                        \
+                                                                                     \
+            dst += out->linesize[p] / div;                                           \
+            xf0 += a->linesize[p] / div;                                             \
+            xf1 += b->linesize[p] / div;                                             \
+        }                                                                            \
+    }                                                                                \
+}
+
+SQUEEZEV_TRANSITION(8, uint8_t, 1)
+SQUEEZEV_TRANSITION(16, uint16_t, 2)
+
+static inline double getpix(void *priv, double x, double y, int plane, int nb)
+{
+    XFadeContext *s = priv;
+    AVFrame *in = s->xf[nb];
+    const uint8_t *src = in->data[FFMIN(plane, s->nb_planes - 1)];
+    int linesize = in->linesize[FFMIN(plane, s->nb_planes - 1)];
+    const int w = in->width;
+    const int h = in->height;
+
+    int xi, yi;
+
+    xi = av_clipd(x, 0, w - 1);
+    yi = av_clipd(y, 0, h - 1);
+
+    if (s->depth > 8) {
+        const uint16_t *src16 = (const uint16_t*)src;
+
+        linesize /= 2;
+        return src16[xi + yi * linesize];
+    } else {
+        return src[xi + yi * linesize];
+    }
+}
+
+static double a0(void *priv, double x, double y) { return getpix(priv, x, y, 0, 0); }
+static double a1(void *priv, double x, double y) { return getpix(priv, x, y, 1, 0); }
+static double a2(void *priv, double x, double y) { return getpix(priv, x, y, 2, 0); }
+static double a3(void *priv, double x, double y) { return getpix(priv, x, y, 3, 0); }
+
+static double b0(void *priv, double x, double y) { return getpix(priv, x, y, 0, 1); }
+static double b1(void *priv, double x, double y) { return getpix(priv, x, y, 1, 1); }
+static double b2(void *priv, double x, double y) { return getpix(priv, x, y, 2, 1); }
+static double b3(void *priv, double x, double y) { return getpix(priv, x, y, 3, 1); }
+
+static int config_output(AVFilterLink *outlink)
+{
+    AVFilterContext *ctx = outlink->src;
+    AVFilterLink *inlink0 = ctx->inputs[0];
+    AVFilterLink *inlink1 = ctx->inputs[1];
+    XFadeContext *s = ctx->priv;
+    const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink0->format);
+
+    if (inlink0->format != inlink1->format) {
+        av_log(ctx, AV_LOG_ERROR, "inputs must be of same pixel format\n");
+        return AVERROR(EINVAL);
+    }
+    if (inlink0->w != inlink1->w || inlink0->h != inlink1->h) {
+        av_log(ctx, AV_LOG_ERROR, "First input link %s parameters "
+               "(size %dx%d) do not match the corresponding "
+               "second input link %s parameters (size %dx%d)\n",
+               ctx->input_pads[0].name, inlink0->w, inlink0->h,
+               ctx->input_pads[1].name, inlink1->w, inlink1->h);
+        return AVERROR(EINVAL);
+    }
+
+    if (inlink0->time_base.num != inlink1->time_base.num ||
+        inlink0->time_base.den != inlink1->time_base.den) {
+        av_log(ctx, AV_LOG_ERROR, "First input link %s timebase "
+               "(%d/%d) do not match the corresponding "
+               "second input link %s timebase (%d/%d)\n",
+               ctx->input_pads[0].name, inlink0->time_base.num, inlink0->time_base.den,
+               ctx->input_pads[1].name, inlink1->time_base.num, inlink1->time_base.den);
+        return AVERROR(EINVAL);
+    }
+
+    if (!inlink0->frame_rate.num || !inlink0->frame_rate.den) {
+        av_log(ctx, AV_LOG_ERROR, "The inputs needs to be a constant frame rate; "
+               "current rate of %d/%d is invalid\n", inlink0->frame_rate.num, inlink0->frame_rate.den);
+        return AVERROR(EINVAL);
+    }
+
+    if (inlink0->frame_rate.num != inlink1->frame_rate.num ||
+        inlink0->frame_rate.den != inlink1->frame_rate.den) {
+        av_log(ctx, AV_LOG_ERROR, "First input link %s frame rate "
+               "(%d/%d) do not match the corresponding "
+               "second input link %s frame rate (%d/%d)\n",
+               ctx->input_pads[0].name, inlink0->frame_rate.num, inlink0->frame_rate.den,
+               ctx->input_pads[1].name, inlink1->frame_rate.num, inlink1->frame_rate.den);
+        return AVERROR(EINVAL);
+    }
+
+    outlink->w = inlink0->w;
+    outlink->h = inlink0->h;
+    outlink->time_base = inlink0->time_base;
+    outlink->sample_aspect_ratio = inlink0->sample_aspect_ratio;
+    outlink->frame_rate = inlink0->frame_rate;
+
+    s->depth = pix_desc->comp[0].depth;
+    s->is_rgb = !!(pix_desc->flags & AV_PIX_FMT_FLAG_RGB);
+    s->nb_planes = av_pix_fmt_count_planes(inlink0->format);
+    s->max_value = (1 << s->depth) - 1;
+    s->black[0] = 0;
+    s->black[1] = s->black[2] = s->is_rgb ? 0 : s->max_value / 2;
+    s->black[3] = s->max_value;
+    s->white[0] = s->white[3] = s->max_value;
+    s->white[1] = s->white[2] = s->is_rgb ? s->max_value : s->max_value / 2;
+
+    s->first_pts = s->last_pts = s->pts = AV_NOPTS_VALUE;
+
+    if (s->duration)
+        s->duration_pts = av_rescale_q(s->duration, AV_TIME_BASE_Q, outlink->time_base);
+    if (s->offset)
+        s->offset_pts = av_rescale_q(s->offset, AV_TIME_BASE_Q, outlink->time_base);
+
+    switch (s->transition) {
+    case CUSTOM:     s->transitionf = s->depth <= 8 ? custom8_transition     : custom16_transition;     break;
+    case FADE:       s->transitionf = s->depth <= 8 ? fade8_transition       : fade16_transition;       break;
+    case WIPELEFT:   s->transitionf = s->depth <= 8 ? wipeleft8_transition   : wipeleft16_transition;   break;
+    case WIPERIGHT:  s->transitionf = s->depth <= 8 ? wiperight8_transition  : wiperight16_transition;  break;
+    case WIPEUP:     s->transitionf = s->depth <= 8 ? wipeup8_transition     : wipeup16_transition;     break;
+    case WIPEDOWN:   s->transitionf = s->depth <= 8 ? wipedown8_transition   : wipedown16_transition;   break;
+    case SLIDELEFT:  s->transitionf = s->depth <= 8 ? slideleft8_transition  : slideleft16_transition;  break;
+    case SLIDERIGHT: s->transitionf = s->depth <= 8 ? slideright8_transition : slideright16_transition; break;
+    case SLIDEUP:    s->transitionf = s->depth <= 8 ? slideup8_transition    : slideup16_transition;    break;
+    case SLIDEDOWN:  s->transitionf = s->depth <= 8 ? slidedown8_transition  : slidedown16_transition;  break;
+    case CIRCLECROP: s->transitionf = s->depth <= 8 ? circlecrop8_transition : circlecrop16_transition; break;
+    case RECTCROP:   s->transitionf = s->depth <= 8 ? rectcrop8_transition   : rectcrop16_transition;   break;
+    case DISTANCE:   s->transitionf = s->depth <= 8 ? distance8_transition   : distance16_transition;   break;
+    case FADEBLACK:  s->transitionf = s->depth <= 8 ? fadeblack8_transition  : fadeblack16_transition;  break;
+    case FADEWHITE:  s->transitionf = s->depth <= 8 ? fadewhite8_transition  : fadewhite16_transition;  break;
+    case RADIAL:     s->transitionf = s->depth <= 8 ? radial8_transition     : radial16_transition;     break;
+    case SMOOTHLEFT: s->transitionf = s->depth <= 8 ? smoothleft8_transition : smoothleft16_transition; break;
+    case SMOOTHRIGHT:s->transitionf = s->depth <= 8 ? smoothright8_transition: smoothright16_transition;break;
+    case SMOOTHUP:   s->transitionf = s->depth <= 8 ? smoothup8_transition   : smoothup16_transition;   break;
+    case SMOOTHDOWN: s->transitionf = s->depth <= 8 ? smoothdown8_transition : smoothdown16_transition; break;
+    case CIRCLEOPEN: s->transitionf = s->depth <= 8 ? circleopen8_transition : circleopen16_transition; break;
+    case CIRCLECLOSE:s->transitionf = s->depth <= 8 ? circleclose8_transition: circleclose16_transition;break;
+    case VERTOPEN:   s->transitionf = s->depth <= 8 ? vertopen8_transition   : vertopen16_transition;   break;
+    case VERTCLOSE:  s->transitionf = s->depth <= 8 ? vertclose8_transition  : vertclose16_transition;  break;
+    case HORZOPEN:   s->transitionf = s->depth <= 8 ? horzopen8_transition   : horzopen16_transition;   break;
+    case HORZCLOSE:  s->transitionf = s->depth <= 8 ? horzclose8_transition  : horzclose16_transition;  break;
+    case DISSOLVE:   s->transitionf = s->depth <= 8 ? dissolve8_transition   : dissolve16_transition;   break;
+    case PIXELIZE:   s->transitionf = s->depth <= 8 ? pixelize8_transition   : pixelize16_transition;   break;
+    case DIAGTL:     s->transitionf = s->depth <= 8 ? diagtl8_transition     : diagtl16_transition;     break;
+    case DIAGTR:     s->transitionf = s->depth <= 8 ? diagtr8_transition     : diagtr16_transition;     break;
+    case DIAGBL:     s->transitionf = s->depth <= 8 ? diagbl8_transition     : diagbl16_transition;     break;
+    case DIAGBR:     s->transitionf = s->depth <= 8 ? diagbr8_transition     : diagbr16_transition;     break;
+    case HLSLICE:    s->transitionf = s->depth <= 8 ? hlslice8_transition    : hlslice16_transition;    break;
+    case HRSLICE:    s->transitionf = s->depth <= 8 ? hrslice8_transition    : hrslice16_transition;    break;
+    case VUSLICE:    s->transitionf = s->depth <= 8 ? vuslice8_transition    : vuslice16_transition;    break;
+    case VDSLICE:    s->transitionf = s->depth <= 8 ? vdslice8_transition    : vdslice16_transition;    break;
+    case HBLUR:      s->transitionf = s->depth <= 8 ? hblur8_transition      : hblur16_transition;      break;
+    case FADEGRAYS:  s->transitionf = s->depth <= 8 ? fadegrays8_transition  : fadegrays16_transition;  break;
+    case WIPETL:     s->transitionf = s->depth <= 8 ? wipetl8_transition     : wipetl16_transition;     break;
+    case WIPETR:     s->transitionf = s->depth <= 8 ? wipetr8_transition     : wipetr16_transition;     break;
+    case WIPEBL:     s->transitionf = s->depth <= 8 ? wipebl8_transition     : wipebl16_transition;     break;
+    case WIPEBR:     s->transitionf = s->depth <= 8 ? wipebr8_transition     : wipebr16_transition;     break;
+    case SQUEEZEH:   s->transitionf = s->depth <= 8 ? squeezeh8_transition   : squeezeh16_transition;   break;
+    case SQUEEZEV:   s->transitionf = s->depth <= 8 ? squeezev8_transition   : squeezev16_transition;   break;
+    }
+
+    if (s->transition == CUSTOM) {
+        static const char *const func2_names[]    = {
+            "a0", "a1", "a2", "a3",
+            "b0", "b1", "b2", "b3",
+            NULL
+        };
+        double (*func2[])(void *, double, double) = {
+            a0, a1, a2, a3,
+            b0, b1, b2, b3,
+            NULL };
+        int ret;
+
+        if (!s->custom_str)
+            return AVERROR(EINVAL);
+        ret = av_expr_parse(&s->e, s->custom_str, var_names,
+                            NULL, NULL, func2_names, func2, 0, ctx);
+        if (ret < 0)
+            return ret;
+    }
+
+    return 0;
+}
+
+static int xfade_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
+{
+    XFadeContext *s = ctx->priv;
+    AVFilterLink *outlink = ctx->outputs[0];
+    ThreadData *td = arg;
+    int slice_start = (outlink->h *  jobnr   ) / nb_jobs;
+    int slice_end   = (outlink->h * (jobnr+1)) / nb_jobs;
+
+    s->transitionf(ctx, td->xf[0], td->xf[1], td->out, td->progress, slice_start, slice_end, jobnr);
+
+    return 0;
+}
+
+static int xfade_frame(AVFilterContext *ctx, AVFrame *a, AVFrame *b)
+{
+    XFadeContext *s = ctx->priv;
+    AVFilterLink *outlink = ctx->outputs[0];
+    float progress = av_clipf(1.f - ((float)(s->pts - s->first_pts - s->offset_pts) / s->duration_pts), 0.f, 1.f);
+    ThreadData td;
+    AVFrame *out;
+
+    out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+    if (!out)
         return AVERROR(ENOMEM);
+    av_frame_copy_props(out, a);
 
     td.xf[0] = a, td.xf[1] = b, td.out = out, td.progress = progress;
     ctx->internal->execute(ctx, xfade_slice, &td, NULL, FFMIN(outlink->h, ff_filter_get_nb_threads(ctx)));
@@ -975,6 +1851,11 @@ static int xfade_activate(AVFilterContext *ctx)
     FF_FILTER_FORWARD_STATUS_BACK_ALL(outlink, ctx);
 
     if (s->xfade_is_over) {
+        if (!s->eof[0]) {
+            ret = ff_inlink_consume_frame(ctx->inputs[0], &in);
+            if (ret > 0)
+                av_frame_free(&in);
+        }
         ret = ff_inlink_consume_frame(ctx->inputs[1], &in);
         if (ret < 0) {
             return ret;
@@ -985,10 +1866,9 @@ static int xfade_activate(AVFilterContext *ctx)
             ff_outlink_set_status(outlink, status, s->pts);
             return 0;
         } else if (!ret) {
-            if (ff_outlink_frame_wanted(outlink)) {
+            if (ff_outlink_frame_wanted(outlink))
                 ff_inlink_request_frame(ctx->inputs[1]);
-                return 0;
-            }
+            return 0;
         }
     }
 
@@ -1038,14 +1918,17 @@ static int xfade_activate(AVFilterContext *ctx)
         if (!s->eof[1] && ff_outlink_get_status(ctx->inputs[1])) {
             s->eof[1] = 1;
         }
-        if (!s->eof[0] && !s->xf[0])
+        if (!s->eof[0] && !s->xf[0] && ff_inlink_queued_frames(ctx->inputs[0]) == 0)
             ff_inlink_request_frame(ctx->inputs[0]);
-        if (!s->eof[1] && (s->need_second || s->eof[0]))
+        if (!s->eof[1] && (s->need_second || s->eof[0]) && ff_inlink_queued_frames(ctx->inputs[1]) == 0)
             ff_inlink_request_frame(ctx->inputs[1]);
         if (s->eof[0] && s->eof[1] && (
-            ff_inlink_queued_frames(ctx->inputs[0]) <= 0 ||
-            ff_inlink_queued_frames(ctx->inputs[1]) <= 0))
+            ff_inlink_queued_frames(ctx->inputs[0]) <= 0 &&
+            ff_inlink_queued_frames(ctx->inputs[1]) <= 0)) {
             ff_outlink_set_status(outlink, AVERROR_EOF, AV_NOPTS_VALUE);
+        } else if (s->xfade_is_over) {
+            ff_filter_set_ready(ctx, 100);
+        }
         return 0;
     }
 
@@ -1073,7 +1956,7 @@ static const AVFilterPad xfade_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_vf_xfade = {
+const AVFilter ff_vf_xfade = {
     .name          = "xfade",
     .description   = NULL_IF_CONFIG_SMALL("Cross fade one video with another video."),
     .priv_size     = sizeof(XFadeContext),