HORZOPEN,
HORZCLOSE,
DISSOLVE,
+ PIXELIZE,
NB_TRANSITIONS,
};
{ "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" },
{ "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 },
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)
+
static inline double getpix(void *priv, double x, double y, int plane, int nb)
{
XFadeContext *s = priv;
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 DISSOLVE: s->transitionf = s->depth <= 8 ? dissolve8_transition : dissolve16_transition; break;
+ case PIXELIZE: s->transitionf = s->depth <= 8 ? pixelize8_transition : pixelize16_transition; break;
}
if (s->transition == CUSTOM) {