| /* |
| * 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/imgutils.h" |
| #include "libavutil/eval.h" |
| #include "libavutil/opt.h" |
| #include "libavutil/pixfmt.h" |
| #include "avfilter.h" |
| #include "formats.h" |
| #include "internal.h" |
| #include "filters.h" |
| #include "video.h" |
| |
| enum XFadeTransitions { |
| CUSTOM = -1, |
| FADE, |
| WIPELEFT, |
| WIPERIGHT, |
| WIPEUP, |
| WIPEDOWN, |
| SLIDELEFT, |
| SLIDERIGHT, |
| SLIDEUP, |
| SLIDEDOWN, |
| CIRCLECROP, |
| RECTCROP, |
| DISTANCE, |
| FADEBLACK, |
| FADEWHITE, |
| RADIAL, |
| SMOOTHLEFT, |
| SMOOTHRIGHT, |
| SMOOTHUP, |
| SMOOTHDOWN, |
| CIRCLEOPEN, |
| CIRCLECLOSE, |
| VERTOPEN, |
| VERTCLOSE, |
| HORZOPEN, |
| HORZCLOSE, |
| DISSOLVE, |
| PIXELIZE, |
| DIAGTL, |
| DIAGTR, |
| DIAGBL, |
| DIAGBR, |
| HLSLICE, |
| HRSLICE, |
| VUSLICE, |
| VDSLICE, |
| NB_TRANSITIONS, |
| }; |
| |
| typedef struct XFadeContext { |
| const AVClass *class; |
| |
| int transition; |
| int64_t duration; |
| int64_t offset; |
| char *custom_str; |
| |
| int nb_planes; |
| int depth; |
| |
| int64_t duration_pts; |
| int64_t offset_pts; |
| int64_t first_pts; |
| int64_t last_pts; |
| int64_t pts; |
| int xfade_is_over; |
| int need_second; |
| int eof[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 int query_formats(AVFilterContext *ctx) |
| { |
| 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 |
| }; |
| |
| AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts); |
| if (!fmts_list) |
| return AVERROR(ENOMEM); |
| return ff_set_common_formats(ctx, fmts_list); |
| } |
| |
| 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, "transition" }, |
| { "custom", "custom transition", 0, AV_OPT_TYPE_CONST, {.i64=CUSTOM}, 0, 0, FLAGS, "transition" }, |
| { "fade", "fade transition", 0, AV_OPT_TYPE_CONST, {.i64=FADE}, 0, 0, FLAGS, "transition" }, |
| { "wipeleft", "wipe left transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPELEFT}, 0, 0, FLAGS, "transition" }, |
| { "wiperight", "wipe right transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPERIGHT}, 0, 0, FLAGS, "transition" }, |
| { "wipeup", "wipe up transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEUP}, 0, 0, FLAGS, "transition" }, |
| { "wipedown", "wipe down transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEDOWN}, 0, 0, FLAGS, "transition" }, |
| { "slideleft", "slide left transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDELEFT}, 0, 0, FLAGS, "transition" }, |
| { "slideright", "slide right transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDERIGHT}, 0, 0, FLAGS, "transition" }, |
| { "slideup", "slide up transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDEUP}, 0, 0, FLAGS, "transition" }, |
| { "slidedown", "slide down transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDEDOWN}, 0, 0, FLAGS, "transition" }, |
| { "circlecrop", "circle crop transition", 0, AV_OPT_TYPE_CONST, {.i64=CIRCLECROP}, 0, 0, FLAGS, "transition" }, |
| { "rectcrop", "rect crop transition", 0, AV_OPT_TYPE_CONST, {.i64=RECTCROP}, 0, 0, FLAGS, "transition" }, |
| { "distance", "distance transition", 0, AV_OPT_TYPE_CONST, {.i64=DISTANCE}, 0, 0, FLAGS, "transition" }, |
| { "fadeblack", "fadeblack transition", 0, AV_OPT_TYPE_CONST, {.i64=FADEBLACK}, 0, 0, FLAGS, "transition" }, |
| { "fadewhite", "fadewhite transition", 0, AV_OPT_TYPE_CONST, {.i64=FADEWHITE}, 0, 0, FLAGS, "transition" }, |
| { "radial", "radial transition", 0, AV_OPT_TYPE_CONST, {.i64=RADIAL}, 0, 0, FLAGS, "transition" }, |
| { "smoothleft", "smoothleft transition", 0, AV_OPT_TYPE_CONST, {.i64=SMOOTHLEFT}, 0, 0, FLAGS, "transition" }, |
| { "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" }, |
| { "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; \ |
| \ |
| double values[VAR_VARS_NB]; \ |
| values[VAR_W] = out->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 < out->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; \ |
| \ |
| for (int p = 0; p < s->nb_planes; p++) { \ |
| const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \ |
| const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \ |
| type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \ |
| \ |
| for (int y = 0; y < height; y++) { \ |
| for (int x = 0; x < out->width; x++) { \ |
| dst[x] = mix(xf0[x], xf1[x], progress); \ |
| } \ |
| \ |
| dst += out->linesize[p] / div; \ |
| xf0 += a->linesize[p] / div; \ |
| xf1 += b->linesize[p] / div; \ |
| } \ |
| } \ |
| } |
| |
| 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 z = out->width * progress; \ |
| \ |
| for (int p = 0; p < s->nb_planes; p++) { \ |
| const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \ |
| const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \ |
| type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \ |
| \ |
| for (int y = 0; y < height; y++) { \ |
| for (int x = 0; x < out->width; x++) { \ |
| dst[x] = x > z ? xf1[x] : xf0[x]; \ |
| } \ |
| \ |
| dst += out->linesize[p] / div; \ |
| xf0 += a->linesize[p] / div; \ |
| xf1 += b->linesize[p] / div; \ |
| } \ |
| } \ |
| } |
| |
| 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 z = out->width * (1.f - progress); \ |
| \ |
| for (int p = 0; p < s->nb_planes; p++) { \ |
| const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \ |
| const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \ |
| type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \ |
| \ |
| for (int y = 0; y < height; y++) { \ |
| for (int x = 0; x < out->width; x++) { \ |
| dst[x] = x > z ? xf0[x] : xf1[x]; \ |
| } \ |
| \ |
| dst += out->linesize[p] / div; \ |
| xf0 += a->linesize[p] / div; \ |
| xf1 += b->linesize[p] / div; \ |
| } \ |
| } \ |
| } |
| |
| 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 z = out->height * progress; \ |
| \ |
| for (int p = 0; p < s->nb_planes; p++) { \ |
| const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \ |
| const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \ |
| type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \ |
| \ |
| for (int y = 0; y < height; y++) { \ |
| for (int x = 0; x < out->width; x++) { \ |
| dst[x] = slice_start + y > z ? xf1[x] : xf0[x]; \ |
| } \ |
| \ |
| dst += out->linesize[p] / div; \ |
| xf0 += a->linesize[p] / div; \ |
| xf1 += b->linesize[p] / div; \ |
| } \ |
| } \ |
| } |
| |
| 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 z = out->height * (1.f - progress); \ |
| \ |
| for (int p = 0; p < s->nb_planes; p++) { \ |
| const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \ |
| const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \ |
| type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \ |
| \ |
| for (int y = 0; y < height; y++) { \ |
| for (int x = 0; x < out->width; x++) { \ |
| dst[x] = slice_start + y > z ? xf0[x] : xf1[x]; \ |
| } \ |
| \ |
| dst += out->linesize[p] / div; \ |
| xf0 += a->linesize[p] / div; \ |
| xf1 += b->linesize[p] / div; \ |
| } \ |
| } \ |
| } |
| |
| 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 < out->width; x++) { \ |
| const int zx = z + x; \ |
| const int zz = zx % width + width * (zx < 0); \ |
| dst[x] = (zx > 0) && (zx < width) ? xf1[zz] : xf0[zz]; \ |
| } \ |
| \ |
| dst += out->linesize[p] / div; \ |
| xf0 += a->linesize[p] / div; \ |
| xf1 += b->linesize[p] / div; \ |
| } \ |
| } \ |
| } |
| |
| 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 z = -progress * height; \ |
| \ |
| for (int p = 0; p < s->nb_planes; p++) { \ |
| type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \ |
| \ |
| for (int y = slice_start; y < slice_end; y++) { \ |
| const int zy = z + y; \ |
| const int zz = zy % height + height * (zy < 0); \ |
| const type *xf0 = (const type *)(a->data[p] + zz * a->linesize[p]); \ |
| const type *xf1 = (const type *)(b->data[p] + zz * b->linesize[p]); \ |
| \ |
| for (int x = 0; x < out->width; x++) { \ |
| dst[x] = (zy > 0) && (zy < height) ? xf1[x] : xf0[x]; \ |
| } \ |
| \ |
| dst += out->linesize[p] / div; \ |
| } \ |
| } \ |
| } |
| |
| 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 z = progress * height; \ |
| \ |
| for (int p = 0; p < s->nb_planes; p++) { \ |
| type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \ |
| \ |
| for (int y = slice_start; y < slice_end; y++) { \ |
| const int zy = z + y; \ |
| const int zz = zy % height + height * (zy < 0); \ |
| const type *xf0 = (const type *)(a->data[p] + zz * a->linesize[p]); \ |
| const type *xf1 = (const type *)(b->data[p] + zz * b->linesize[p]); \ |
| \ |
| for (int x = 0; x < out->width; x++) { \ |
| dst[x] = (zy > 0) && (zy < height) ? xf1[x] : xf0[x]; \ |
| } \ |
| \ |
| dst += out->linesize[p] / div; \ |
| } \ |
| } \ |
| } |
| |
| 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 float phase = 0.2f; \ |
| \ |
| for (int p = 0; p < s->nb_planes; p++) { \ |
| const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \ |
| const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \ |
| type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \ |
| const int bg = s->black[p]; \ |
| \ |
| for (int y = 0; y < height; y++) { \ |
| for (int x = 0; x < out->width; x++) { \ |
| dst[x] = mix(mix(xf0[x], bg, smoothstep(1.f-phase, 1.f, progress)), \ |
| mix(bg, xf1[x], smoothstep(phase, 1.f, progress)), \ |
| progress); \ |
| } \ |
| \ |
| dst += out->linesize[p] / div; \ |
| xf0 += a->linesize[p] / div; \ |
| xf1 += b->linesize[p] / div; \ |
| } \ |
| } \ |
| } |
| |
| 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 float phase = 0.2f; \ |
| \ |
| for (int p = 0; p < s->nb_planes; p++) { \ |
| const type *xf0 = (const type *)(a->data[p] + slice_start * a->linesize[p]); \ |
| const type *xf1 = (const type *)(b->data[p] + slice_start * b->linesize[p]); \ |
| type *dst = (type *)(out->data[p] + slice_start * out->linesize[p]); \ |
| const int bg = s->white[p]; \ |
| \ |
| for (int y = 0; y < height; y++) { \ |
| for (int x = 0; x < out->width; x++) { \ |
| dst[x] = mix(mix(xf0[x], bg, smoothstep(1.f-phase, 1.f, progress)), \ |
| mix(bg, xf1[x], smoothstep(phase, 1.f, progress)), \ |
| progress); \ |
| } \ |
| \ |
| dst += out->linesize[p] / div; \ |
| xf0 += a->linesize[p] / div; \ |
| xf1 += b->linesize[p] / div; \ |
| } \ |
| } \ |
| } |
| |
| 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 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)); \ |
| } \ |
| } \ |
| } \ |
| } |
| |
| VERTCLOSE_TRANSITION(8, uint8_t, 1) |
| VERTCLOSE_TRANSITION(16, uint16_t, 2) |
| |
| #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)); \ |
| } \ |
| } \ |
| } \ |
| } |
| |
| HORZOPEN_TRANSITION(8, uint8_t, 1) |
| HORZOPEN_TRANSITION(16, uint16_t, 2) |
| |
| #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)); \ |
| } \ |
| } \ |
| } \ |
| } |
| |
| HORZCLOSE_TRANSITION(8, uint8_t, 1) |
| HORZCLOSE_TRANSITION(16, uint16_t, 2) |
| |
| static float frand(int x, int y) |
| { |
| const float r = sinf(x * 12.9898f + y * 78.233f) * 43758.545f; |
| |
| return r - floorf(r); |
| } |
| |
| #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) |
| |
| 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); |
| 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); |
| } |
| |
| 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); |
| } |
| |
| 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; |
| 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; |
| |
| 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; |
| } |
| |
| 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); |
| |
| 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))); |
| |
| out->pts = s->pts; |
| |
| return ff_filter_frame(outlink, out); |
| } |
| |
| static int xfade_activate(AVFilterContext *ctx) |
| { |
| XFadeContext *s = ctx->priv; |
| AVFilterLink *outlink = ctx->outputs[0]; |
| AVFrame *in = NULL; |
| int ret = 0, status; |
| int64_t pts; |
| |
| FF_FILTER_FORWARD_STATUS_BACK_ALL(outlink, ctx); |
| |
| if (s->xfade_is_over) { |
| ret = ff_inlink_consume_frame(ctx->inputs[1], &in); |
| if (ret < 0) { |
| return ret; |
| } else if (ret > 0) { |
| in->pts = (in->pts - s->last_pts) + s->pts; |
| return ff_filter_frame(outlink, in); |
| } else if (ff_inlink_acknowledge_status(ctx->inputs[1], &status, &pts)) { |
| ff_outlink_set_status(outlink, status, s->pts); |
| return 0; |
| } else if (!ret) { |
| if (ff_outlink_frame_wanted(outlink)) { |
| ff_inlink_request_frame(ctx->inputs[1]); |
| return 0; |
| } |
| } |
| } |
| |
| if (ff_inlink_queued_frames(ctx->inputs[0]) > 0) { |
| s->xf[0] = ff_inlink_peek_frame(ctx->inputs[0], 0); |
| if (s->xf[0]) { |
| if (s->first_pts == AV_NOPTS_VALUE) { |
| s->first_pts = s->xf[0]->pts; |
| } |
| s->pts = s->xf[0]->pts; |
| if (s->first_pts + s->offset_pts > s->xf[0]->pts) { |
| s->xf[0] = NULL; |
| s->need_second = 0; |
| ff_inlink_consume_frame(ctx->inputs[0], &in); |
| return ff_filter_frame(outlink, in); |
| } |
| |
| s->need_second = 1; |
| } |
| } |
| |
| if (s->xf[0] && ff_inlink_queued_frames(ctx->inputs[1]) > 0) { |
| ff_inlink_consume_frame(ctx->inputs[0], &s->xf[0]); |
| ff_inlink_consume_frame(ctx->inputs[1], &s->xf[1]); |
| |
| s->last_pts = s->xf[1]->pts; |
| s->pts = s->xf[0]->pts; |
| if (s->xf[0]->pts - (s->first_pts + s->offset_pts) > s->duration_pts) |
| s->xfade_is_over = 1; |
| ret = xfade_frame(ctx, s->xf[0], s->xf[1]); |
| av_frame_free(&s->xf[0]); |
| av_frame_free(&s->xf[1]); |
| return ret; |
| } |
| |
| if (ff_inlink_queued_frames(ctx->inputs[0]) > 0 && |
| ff_inlink_queued_frames(ctx->inputs[1]) > 0) { |
| ff_filter_set_ready(ctx, 100); |
| return 0; |
| } |
| |
| if (ff_outlink_frame_wanted(outlink)) { |
| if (!s->eof[0] && ff_outlink_get_status(ctx->inputs[0])) { |
| s->eof[0] = 1; |
| s->xfade_is_over = 1; |
| } |
| if (!s->eof[1] && ff_outlink_get_status(ctx->inputs[1])) { |
| s->eof[1] = 1; |
| } |
| if (!s->eof[0] && !s->xf[0]) |
| ff_inlink_request_frame(ctx->inputs[0]); |
| if (!s->eof[1] && (s->need_second || s->eof[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_outlink_set_status(outlink, AVERROR_EOF, AV_NOPTS_VALUE); |
| return 0; |
| } |
| |
| return FFERROR_NOT_READY; |
| } |
| |
| static const AVFilterPad xfade_inputs[] = { |
| { |
| .name = "main", |
| .type = AVMEDIA_TYPE_VIDEO, |
| }, |
| { |
| .name = "xfade", |
| .type = AVMEDIA_TYPE_VIDEO, |
| }, |
| { NULL } |
| }; |
| |
| static const AVFilterPad xfade_outputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .config_props = config_output, |
| }, |
| { NULL } |
| }; |
| |
| AVFilter ff_vf_xfade = { |
| .name = "xfade", |
| .description = NULL_IF_CONFIG_SMALL("Cross fade one video with another video."), |
| .priv_size = sizeof(XFadeContext), |
| .priv_class = &xfade_class, |
| .query_formats = query_formats, |
| .activate = xfade_activate, |
| .uninit = uninit, |
| .inputs = xfade_inputs, |
| .outputs = xfade_outputs, |
| .flags = AVFILTER_FLAG_SLICE_THREADS, |
| }; |
