| /* |
| * Copyright (c) 2017 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/attributes.h" |
| #include "libavutil/common.h" |
| #include "libavutil/eval.h" |
| #include "libavutil/imgutils.h" |
| #include "libavutil/opt.h" |
| #include "libavutil/pixdesc.h" |
| #include "avfilter.h" |
| #include "formats.h" |
| #include "internal.h" |
| #include "video.h" |
| |
| static const char *const var_names[] = { |
| "w", ///< width of the input video |
| "h", ///< height of the input video |
| "val", ///< input value for the pixel |
| "ymin", |
| "umin", |
| "vmin", |
| "amin", |
| "ymax", |
| "umax", |
| "vmax", |
| "amax", |
| NULL |
| }; |
| |
| enum var_name { |
| VAR_W, |
| VAR_H, |
| VAR_VAL, |
| VAR_YMIN, |
| VAR_UMIN, |
| VAR_VMIN, |
| VAR_AMIN, |
| VAR_YMAX, |
| VAR_UMAX, |
| VAR_VMAX, |
| VAR_AMAX, |
| VAR_VARS_NB |
| }; |
| |
| typedef struct PseudoColorContext { |
| const AVClass *class; |
| int max; |
| int index; |
| int nb_planes; |
| int color; |
| int linesize[4]; |
| int width[4], height[4]; |
| double var_values[VAR_VARS_NB]; |
| char *comp_expr_str[4]; |
| AVExpr *comp_expr[4]; |
| float lut[4][256*256]; |
| |
| void (*filter[4])(int max, int width, int height, |
| const uint8_t *index, const uint8_t *src, |
| uint8_t *dst, |
| ptrdiff_t ilinesize, |
| ptrdiff_t slinesize, |
| ptrdiff_t dlinesize, |
| float *lut); |
| } PseudoColorContext; |
| |
| #define OFFSET(x) offsetof(PseudoColorContext, x) |
| #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
| |
| static const AVOption pseudocolor_options[] = { |
| { "c0", "set component #0 expression", OFFSET(comp_expr_str[0]), AV_OPT_TYPE_STRING, {.str="val"}, .flags = FLAGS }, |
| { "c1", "set component #1 expression", OFFSET(comp_expr_str[1]), AV_OPT_TYPE_STRING, {.str="val"}, .flags = FLAGS }, |
| { "c2", "set component #2 expression", OFFSET(comp_expr_str[2]), AV_OPT_TYPE_STRING, {.str="val"}, .flags = FLAGS }, |
| { "c3", "set component #3 expression", OFFSET(comp_expr_str[3]), AV_OPT_TYPE_STRING, {.str="val"}, .flags = FLAGS }, |
| { "i", "set component as base", OFFSET(index), AV_OPT_TYPE_INT, {.i64=0}, 0, 3, .flags = FLAGS }, |
| { NULL } |
| }; |
| |
| static const enum AVPixelFormat pix_fmts[] = { |
| AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16, |
| AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, |
| AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA422P, |
| AV_PIX_FMT_YUV444P, AV_PIX_FMT_GBRP, |
| AV_PIX_FMT_YUVA444P, AV_PIX_FMT_GBRAP, |
| AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUVA422P9, |
| AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUVA420P9, |
| AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUVA444P9, |
| AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUVA420P10, |
| AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUVA422P10, |
| AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUVA444P10, |
| AV_PIX_FMT_YUV420P12, |
| AV_PIX_FMT_YUV422P12, |
| AV_PIX_FMT_YUV444P12, |
| AV_PIX_FMT_YUV420P14, |
| AV_PIX_FMT_YUV422P14, |
| AV_PIX_FMT_YUV444P14, |
| AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUVA420P16, |
| AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUVA422P16, |
| AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUVA444P16, |
| AV_PIX_FMT_GBRP9, |
| AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10, |
| AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12, |
| AV_PIX_FMT_GBRP14, |
| AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16, |
| AV_PIX_FMT_NONE |
| }; |
| |
| static int query_formats(AVFilterContext *ctx) |
| { |
| AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts); |
| if (!fmts_list) |
| return AVERROR(ENOMEM); |
| return ff_set_common_formats(ctx, fmts_list); |
| } |
| |
| static void pseudocolor_filter(int max, int width, int height, |
| const uint8_t *index, |
| const uint8_t *src, |
| uint8_t *dst, |
| ptrdiff_t ilinesize, |
| ptrdiff_t slinesize, |
| ptrdiff_t dlinesize, |
| float *lut) |
| { |
| int x, y; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| int v = lut[index[x]]; |
| |
| if (v >= 0 && v <= max) { |
| dst[x] = v; |
| } else { |
| dst[x] = src[x]; |
| } |
| } |
| index += ilinesize; |
| src += slinesize; |
| dst += dlinesize; |
| } |
| } |
| |
| static void pseudocolor_filter_11(int max, int width, int height, |
| const uint8_t *index, |
| const uint8_t *src, |
| uint8_t *dst, |
| ptrdiff_t ilinesize, |
| ptrdiff_t slinesize, |
| ptrdiff_t dlinesize, |
| float *lut) |
| { |
| int x, y; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| int v = lut[index[(y << 1) * ilinesize + (x << 1)]]; |
| |
| if (v >= 0 && v <= max) { |
| dst[x] = v; |
| } else { |
| dst[x] = src[x]; |
| } |
| } |
| src += slinesize; |
| dst += dlinesize; |
| } |
| } |
| |
| static void pseudocolor_filter_11d(int max, int width, int height, |
| const uint8_t *index, |
| const uint8_t *src, |
| uint8_t *dst, |
| ptrdiff_t ilinesize, |
| ptrdiff_t slinesize, |
| ptrdiff_t dlinesize, |
| float *lut) |
| { |
| int x, y; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| int v = lut[index[(y >> 1) * ilinesize + (x >> 1)]]; |
| |
| if (v >= 0 && v <= max) { |
| dst[x] = v; |
| } else { |
| dst[x] = src[x]; |
| } |
| } |
| src += slinesize; |
| dst += dlinesize; |
| } |
| } |
| |
| static void pseudocolor_filter_10(int max, int width, int height, |
| const uint8_t *index, |
| const uint8_t *src, |
| uint8_t *dst, |
| ptrdiff_t ilinesize, |
| ptrdiff_t slinesize, |
| ptrdiff_t dlinesize, |
| float *lut) |
| { |
| int x, y; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| int v = lut[index[x << 1]]; |
| |
| if (v >= 0 && v <= max) { |
| dst[x] = v; |
| } else { |
| dst[x] = src[x]; |
| } |
| } |
| index += ilinesize; |
| src += slinesize; |
| dst += dlinesize; |
| } |
| } |
| |
| static void pseudocolor_filter_10d(int max, int width, int height, |
| const uint8_t *index, |
| const uint8_t *src, |
| uint8_t *dst, |
| ptrdiff_t ilinesize, |
| ptrdiff_t slinesize, |
| ptrdiff_t dlinesize, |
| float *lut) |
| { |
| int x, y; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| int v = lut[index[x >> 1]]; |
| |
| if (v >= 0 && v <= max) { |
| dst[x] = v; |
| } else { |
| dst[x] = src[x]; |
| } |
| } |
| index += ilinesize; |
| src += slinesize; |
| dst += dlinesize; |
| } |
| } |
| |
| static void pseudocolor_filter_16(int max, int width, int height, |
| const uint8_t *iindex, |
| const uint8_t *ssrc, |
| uint8_t *ddst, |
| ptrdiff_t ilinesize, |
| ptrdiff_t slinesize, |
| ptrdiff_t dlinesize, |
| float *lut) |
| { |
| const uint16_t *index = (const uint16_t *)iindex; |
| const uint16_t *src = (const uint16_t *)ssrc; |
| uint16_t *dst = (uint16_t *)ddst; |
| int x, y; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| int v = lut[index[x]]; |
| |
| if (v >= 0 && v <= max) { |
| dst[x] = v; |
| } else { |
| dst[x] = src[x]; |
| } |
| } |
| index += ilinesize / 2; |
| src += slinesize / 2; |
| dst += dlinesize / 2; |
| } |
| } |
| |
| static void pseudocolor_filter_16_10(int max, int width, int height, |
| const uint8_t *iindex, |
| const uint8_t *ssrc, |
| uint8_t *ddst, |
| ptrdiff_t ilinesize, |
| ptrdiff_t slinesize, |
| ptrdiff_t dlinesize, |
| float *lut) |
| { |
| const uint16_t *index = (const uint16_t *)iindex; |
| const uint16_t *src = (const uint16_t *)ssrc; |
| uint16_t *dst = (uint16_t *)ddst; |
| int x, y; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| int v = lut[index[x << 1]]; |
| |
| if (v >= 0 && v <= max) { |
| dst[x] = v; |
| } else { |
| dst[x] = src[x]; |
| } |
| } |
| index += ilinesize / 2; |
| src += slinesize / 2; |
| dst += dlinesize / 2; |
| } |
| } |
| |
| static void pseudocolor_filter_16_10d(int max, int width, int height, |
| const uint8_t *iindex, |
| const uint8_t *ssrc, |
| uint8_t *ddst, |
| ptrdiff_t ilinesize, |
| ptrdiff_t slinesize, |
| ptrdiff_t dlinesize, |
| float *lut) |
| { |
| const uint16_t *index = (const uint16_t *)iindex; |
| const uint16_t *src = (const uint16_t *)ssrc; |
| uint16_t *dst = (uint16_t *)ddst; |
| int x, y; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| int v = lut[index[x >> 1]]; |
| |
| if (v >= 0 && v <= max) { |
| dst[x] = v; |
| } else { |
| dst[x] = src[x]; |
| } |
| } |
| index += ilinesize / 2; |
| src += slinesize / 2; |
| dst += dlinesize / 2; |
| } |
| } |
| |
| static void pseudocolor_filter_16_11(int max, int width, int height, |
| const uint8_t *iindex, |
| const uint8_t *ssrc, |
| uint8_t *ddst, |
| ptrdiff_t ilinesize, |
| ptrdiff_t slinesize, |
| ptrdiff_t dlinesize, |
| float *lut) |
| { |
| const uint16_t *index = (const uint16_t *)iindex; |
| const uint16_t *src = (const uint16_t *)ssrc; |
| uint16_t *dst = (uint16_t *)ddst; |
| int x, y; |
| |
| ilinesize /= 2; |
| dlinesize /= 2; |
| slinesize /= 2; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| int v = lut[index[(y << 1) * ilinesize + (x << 1)]]; |
| |
| if (v >= 0 && v <= max) { |
| dst[x] = v; |
| } else { |
| dst[x] = src[x]; |
| } |
| } |
| src += slinesize; |
| dst += dlinesize; |
| } |
| } |
| |
| static void pseudocolor_filter_16_11d(int max, int width, int height, |
| const uint8_t *iindex, |
| const uint8_t *ssrc, |
| uint8_t *ddst, |
| ptrdiff_t ilinesize, |
| ptrdiff_t slinesize, |
| ptrdiff_t dlinesize, |
| float *lut) |
| { |
| const uint16_t *index = (const uint16_t *)iindex; |
| const uint16_t *src = (const uint16_t *)ssrc; |
| uint16_t *dst = (uint16_t *)ddst; |
| int x, y; |
| |
| ilinesize /= 2; |
| dlinesize /= 2; |
| slinesize /= 2; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| int v = lut[index[(y >> 1) * ilinesize + (x >> 1)]]; |
| |
| if (v >= 0 && v <= max) { |
| dst[x] = v; |
| } else { |
| dst[x] = src[x]; |
| } |
| } |
| src += slinesize; |
| dst += dlinesize; |
| } |
| } |
| |
| static int config_input(AVFilterLink *inlink) |
| { |
| AVFilterContext *ctx = inlink->dst; |
| PseudoColorContext *s = ctx->priv; |
| const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); |
| int depth, ret, hsub, vsub, color; |
| |
| depth = desc->comp[0].depth; |
| s->max = (1 << depth) - 1; |
| s->nb_planes = av_pix_fmt_count_planes(inlink->format); |
| |
| if (s->index >= s->nb_planes) { |
| av_log(ctx, AV_LOG_ERROR, "index out of allowed range\n"); |
| return AVERROR(EINVAL); |
| } |
| |
| if ((ret = av_image_fill_linesizes(s->linesize, inlink->format, inlink->w)) < 0) |
| return ret; |
| |
| hsub = desc->log2_chroma_w; |
| vsub = desc->log2_chroma_h; |
| s->height[1] = s->height[2] = AV_CEIL_RSHIFT(inlink->h, vsub); |
| s->height[0] = s->height[3] = inlink->h; |
| s->width[1] = s->width[2] = AV_CEIL_RSHIFT(inlink->w, hsub); |
| s->width[0] = s->width[3] = inlink->w; |
| |
| s->var_values[VAR_W] = inlink->w; |
| s->var_values[VAR_H] = inlink->h; |
| |
| s->var_values[VAR_YMIN] = 16 * (1 << (depth - 8)); |
| s->var_values[VAR_UMIN] = 16 * (1 << (depth - 8)); |
| s->var_values[VAR_VMIN] = 16 * (1 << (depth - 8)); |
| s->var_values[VAR_AMIN] = 0; |
| s->var_values[VAR_YMAX] = 235 * (1 << (depth - 8)); |
| s->var_values[VAR_UMAX] = 240 * (1 << (depth - 8)); |
| s->var_values[VAR_VMAX] = 240 * (1 << (depth - 8)); |
| s->var_values[VAR_AMAX] = s->max; |
| |
| for (color = 0; color < s->nb_planes; color++) { |
| double res; |
| int val; |
| |
| /* create the parsed expression */ |
| av_expr_free(s->comp_expr[color]); |
| s->comp_expr[color] = NULL; |
| ret = av_expr_parse(&s->comp_expr[color], s->comp_expr_str[color], |
| var_names, NULL, NULL, NULL, NULL, 0, ctx); |
| if (ret < 0) { |
| av_log(ctx, AV_LOG_ERROR, |
| "Error when parsing the expression '%s' for the component %d and color %d.\n", |
| s->comp_expr_str[color], color, color); |
| return AVERROR(EINVAL); |
| } |
| |
| /* compute the lut */ |
| for (val = 0; val < FF_ARRAY_ELEMS(s->lut[color]); val++) { |
| s->var_values[VAR_VAL] = val; |
| |
| res = av_expr_eval(s->comp_expr[color], s->var_values, s); |
| if (isnan(res)) { |
| av_log(ctx, AV_LOG_ERROR, |
| "Error when evaluating the expression '%s' for the value %d for the component %d.\n", |
| s->comp_expr_str[color], val, color); |
| return AVERROR(EINVAL); |
| } |
| s->lut[color][val] = res; |
| } |
| } |
| |
| switch (inlink->format) { |
| case AV_PIX_FMT_YUV444P: |
| case AV_PIX_FMT_YUVA444P: |
| case AV_PIX_FMT_GBRP: |
| case AV_PIX_FMT_GBRAP: |
| case AV_PIX_FMT_GRAY8: |
| s->filter[0] = s->filter[1] = s->filter[2] = s->filter[3] = pseudocolor_filter; |
| break; |
| case AV_PIX_FMT_YUV420P: |
| case AV_PIX_FMT_YUVA420P: |
| switch (s->index) { |
| case 0: |
| case 3: |
| s->filter[0] = s->filter[3] = pseudocolor_filter; |
| s->filter[1] = s->filter[2] = pseudocolor_filter_11; |
| break; |
| case 1: |
| case 2: |
| s->filter[0] = s->filter[3] = pseudocolor_filter_11d; |
| s->filter[1] = s->filter[2] = pseudocolor_filter; |
| break; |
| } |
| break; |
| case AV_PIX_FMT_YUV422P: |
| case AV_PIX_FMT_YUVA422P: |
| switch (s->index) { |
| case 0: |
| case 3: |
| s->filter[0] = s->filter[3] = pseudocolor_filter; |
| s->filter[1] = s->filter[2] = pseudocolor_filter_10; |
| break; |
| case 1: |
| case 2: |
| s->filter[0] = s->filter[3] = pseudocolor_filter_10d; |
| s->filter[1] = s->filter[2] = pseudocolor_filter; |
| break; |
| } |
| break; |
| case AV_PIX_FMT_YUV444P9: |
| case AV_PIX_FMT_YUVA444P9: |
| case AV_PIX_FMT_YUV444P10: |
| case AV_PIX_FMT_YUVA444P10: |
| case AV_PIX_FMT_YUV444P12: |
| case AV_PIX_FMT_YUV444P14: |
| case AV_PIX_FMT_YUV444P16: |
| case AV_PIX_FMT_YUVA444P16: |
| case AV_PIX_FMT_GBRP9: |
| case AV_PIX_FMT_GBRP10: |
| case AV_PIX_FMT_GBRP12: |
| case AV_PIX_FMT_GBRP14: |
| case AV_PIX_FMT_GBRP16: |
| case AV_PIX_FMT_GBRAP10: |
| case AV_PIX_FMT_GBRAP12: |
| case AV_PIX_FMT_GBRAP16: |
| case AV_PIX_FMT_GRAY9: |
| case AV_PIX_FMT_GRAY10: |
| case AV_PIX_FMT_GRAY12: |
| case AV_PIX_FMT_GRAY14: |
| case AV_PIX_FMT_GRAY16: |
| s->filter[0] = s->filter[1] = s->filter[2] = s->filter[3] = pseudocolor_filter_16; |
| break; |
| case AV_PIX_FMT_YUV422P9: |
| case AV_PIX_FMT_YUVA422P9: |
| case AV_PIX_FMT_YUV422P10: |
| case AV_PIX_FMT_YUVA422P10: |
| case AV_PIX_FMT_YUV422P12: |
| case AV_PIX_FMT_YUV422P14: |
| case AV_PIX_FMT_YUV422P16: |
| case AV_PIX_FMT_YUVA422P16: |
| switch (s->index) { |
| case 0: |
| case 3: |
| s->filter[0] = s->filter[3] = pseudocolor_filter_16; |
| s->filter[1] = s->filter[2] = pseudocolor_filter_16_10; |
| break; |
| case 1: |
| case 2: |
| s->filter[0] = s->filter[3] = pseudocolor_filter_16_10d; |
| s->filter[1] = s->filter[2] = pseudocolor_filter_16; |
| break; |
| } |
| break; |
| case AV_PIX_FMT_YUV420P9: |
| case AV_PIX_FMT_YUVA420P9: |
| case AV_PIX_FMT_YUV420P10: |
| case AV_PIX_FMT_YUVA420P10: |
| case AV_PIX_FMT_YUV420P12: |
| case AV_PIX_FMT_YUV420P14: |
| case AV_PIX_FMT_YUV420P16: |
| case AV_PIX_FMT_YUVA420P16: |
| switch (s->index) { |
| case 0: |
| case 3: |
| s->filter[0] = s->filter[3] = pseudocolor_filter_16; |
| s->filter[1] = s->filter[2] = pseudocolor_filter_16_11; |
| break; |
| case 1: |
| case 2: |
| s->filter[0] = s->filter[3] = pseudocolor_filter_16_11d; |
| s->filter[1] = s->filter[2] = pseudocolor_filter_16; |
| break; |
| } |
| break; |
| } |
| |
| return 0; |
| } |
| |
| static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
| { |
| AVFilterContext *ctx = inlink->dst; |
| PseudoColorContext *s = ctx->priv; |
| AVFilterLink *outlink = ctx->outputs[0]; |
| AVFrame *out; |
| int plane; |
| |
| out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
| if (!out) { |
| av_frame_free(&in); |
| return AVERROR(ENOMEM); |
| } |
| av_frame_copy_props(out, in); |
| |
| for (plane = 0; plane < s->nb_planes; plane++) { |
| const uint8_t *index = in->data[s->index]; |
| const uint8_t *src = in->data[plane]; |
| uint8_t *dst = out->data[plane]; |
| ptrdiff_t ilinesize = in->linesize[s->index]; |
| ptrdiff_t slinesize = in->linesize[plane]; |
| ptrdiff_t dlinesize = out->linesize[plane]; |
| |
| s->filter[plane](s->max, s->width[plane], s->height[plane], |
| index, src, dst, ilinesize, slinesize, |
| dlinesize, s->lut[plane]); |
| } |
| |
| av_frame_free(&in); |
| return ff_filter_frame(outlink, out); |
| } |
| |
| static const AVFilterPad inputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| .filter_frame = filter_frame, |
| .config_props = config_input, |
| }, |
| { NULL } |
| }; |
| |
| static const AVFilterPad outputs[] = { |
| { |
| .name = "default", |
| .type = AVMEDIA_TYPE_VIDEO, |
| }, |
| { NULL } |
| }; |
| |
| static av_cold void uninit(AVFilterContext *ctx) |
| { |
| PseudoColorContext *s = ctx->priv; |
| int i; |
| |
| for (i = 0; i < 4; i++) { |
| av_expr_free(s->comp_expr[i]); |
| s->comp_expr[i] = NULL; |
| } |
| } |
| |
| AVFILTER_DEFINE_CLASS(pseudocolor); |
| |
| AVFilter ff_vf_pseudocolor = { |
| .name = "pseudocolor", |
| .description = NULL_IF_CONFIG_SMALL("Make pseudocolored video frames."), |
| .priv_size = sizeof(PseudoColorContext), |
| .priv_class = &pseudocolor_class, |
| .uninit = uninit, |
| .query_formats = query_formats, |
| .inputs = inputs, |
| .outputs = outputs, |
| .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, |
| }; |