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- /*
- * Copyright (c) 2012-2015 Paul B Mahol
- * Copyright (c) 2013 Marton Balint
- *
- * 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/avassert.h"
- #include "libavutil/opt.h"
- #include "libavutil/parseutils.h"
- #include "libavutil/pixdesc.h"
- #include "avfilter.h"
- #include "formats.h"
- #include "internal.h"
- #include "video.h"
- enum FilterType {
- LOWPASS,
- FLAT,
- AFLAT,
- CHROMA,
- ACHROMA,
- COLOR,
- NB_FILTERS
- };
- typedef struct WaveformContext {
- const AVClass *class;
- int mode;
- int ncomp;
- int pcomp;
- const uint8_t *bg_color;
- float fintensity;
- int intensity;
- int mirror;
- int display;
- int envelope;
- int estart[4];
- int eend[4];
- int *emax[4][4];
- int *emin[4][4];
- int *peak;
- int filter;
- int bits;
- int max;
- int size;
- void (*waveform)(struct WaveformContext *s, AVFrame *in, AVFrame *out,
- int component, int intensity, int offset, int column);
- const AVPixFmtDescriptor *desc;
- } WaveformContext;
- #define OFFSET(x) offsetof(WaveformContext, x)
- #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
- static const AVOption waveform_options[] = {
- { "mode", "set mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=1}, 0, 1, FLAGS, "mode" },
- { "m", "set mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=1}, 0, 1, FLAGS, "mode" },
- { "row", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "mode" },
- { "column", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "mode" },
- { "intensity", "set intensity", OFFSET(fintensity), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 1, FLAGS },
- { "i", "set intensity", OFFSET(fintensity), AV_OPT_TYPE_FLOAT, {.dbl=0.04}, 0, 1, FLAGS },
- { "mirror", "set mirroring", OFFSET(mirror), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
- { "r", "set mirroring", OFFSET(mirror), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
- { "display", "set display mode", OFFSET(display), AV_OPT_TYPE_INT, {.i64=1}, 0, 1, FLAGS, "display" },
- { "d", "set display mode", OFFSET(display), AV_OPT_TYPE_INT, {.i64=1}, 0, 1, FLAGS, "display" },
- { "overlay", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "display" },
- { "parade", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "display" },
- { "components", "set components to display", OFFSET(pcomp), AV_OPT_TYPE_INT, {.i64=1}, 1, 15, FLAGS },
- { "c", "set components to display", OFFSET(pcomp), AV_OPT_TYPE_INT, {.i64=1}, 1, 15, FLAGS },
- { "envelope", "set envelope to display", OFFSET(envelope), AV_OPT_TYPE_INT, {.i64=0}, 0, 3, FLAGS, "envelope" },
- { "e", "set envelope to display", OFFSET(envelope), AV_OPT_TYPE_INT, {.i64=0}, 0, 3, FLAGS, "envelope" },
- { "none", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "envelope" },
- { "instant", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "envelope" },
- { "peak", NULL, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "envelope" },
- { "peak+instant", NULL, 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, FLAGS, "envelope" },
- { "filter", "set filter", OFFSET(filter), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_FILTERS-1, FLAGS, "filter" },
- { "f", "set filter", OFFSET(filter), AV_OPT_TYPE_INT, {.i64=0}, 0, NB_FILTERS-1, FLAGS, "filter" },
- { "lowpass", NULL, 0, AV_OPT_TYPE_CONST, {.i64=LOWPASS}, 0, 0, FLAGS, "filter" },
- { "flat" , NULL, 0, AV_OPT_TYPE_CONST, {.i64=FLAT}, 0, 0, FLAGS, "filter" },
- { "aflat" , NULL, 0, AV_OPT_TYPE_CONST, {.i64=AFLAT}, 0, 0, FLAGS, "filter" },
- { "chroma", NULL, 0, AV_OPT_TYPE_CONST, {.i64=CHROMA}, 0, 0, FLAGS, "filter" },
- { "achroma", NULL, 0, AV_OPT_TYPE_CONST, {.i64=ACHROMA}, 0, 0, FLAGS, "filter" },
- { "color", NULL, 0, AV_OPT_TYPE_CONST, {.i64=COLOR}, 0, 0, FLAGS, "filter" },
- { NULL }
- };
- AVFILTER_DEFINE_CLASS(waveform);
- static const enum AVPixelFormat lowpass_pix_fmts[] = {
- AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
- AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
- AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV420P,
- AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P,
- AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
- AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUVJ420P,
- AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ444P,
- AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA420P,
- AV_PIX_FMT_GRAY8,
- AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV420P9,
- AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA420P9,
- AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV420P10,
- AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA420P10,
- AV_PIX_FMT_NONE
- };
- static const enum AVPixelFormat flat_pix_fmts[] = {
- AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_NONE
- };
- static const enum AVPixelFormat color_pix_fmts[] = {
- AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
- AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
- AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P,
- AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10,
- AV_PIX_FMT_NONE
- };
- static int query_formats(AVFilterContext *ctx)
- {
- WaveformContext *s = ctx->priv;
- AVFilterFormats *fmts_list;
- const enum AVPixelFormat *pix_fmts;
- switch (s->filter) {
- case LOWPASS: pix_fmts = lowpass_pix_fmts; break;
- case FLAT:
- case AFLAT:
- case CHROMA:
- case ACHROMA: pix_fmts = flat_pix_fmts; break;
- case COLOR: pix_fmts = color_pix_fmts; break;
- }
- fmts_list = ff_make_format_list(pix_fmts);
- if (!fmts_list)
- return AVERROR(ENOMEM);
- return ff_set_common_formats(ctx, fmts_list);
- }
- static void envelope_instant16(WaveformContext *s, AVFrame *out, int plane, int component)
- {
- const int dst_linesize = out->linesize[component] / 2;
- const int bg = s->bg_color[component] * (s->max / 256);
- const int limit = s->max - 1;
- const int is_chroma = (component == 1 || component == 2);
- const int shift_w = (is_chroma ? s->desc->log2_chroma_w : 0);
- const int shift_h = (is_chroma ? s->desc->log2_chroma_h : 0);
- const int dst_h = AV_CEIL_RSHIFT(out->height, shift_h);
- const int dst_w = AV_CEIL_RSHIFT(out->width, shift_w);
- const int start = s->estart[plane];
- const int end = s->eend[plane];
- uint16_t *dst;
- int x, y;
- if (s->mode) {
- for (x = 0; x < dst_w; x++) {
- for (y = start; y < end; y++) {
- dst = (uint16_t *)out->data[component] + y * dst_linesize + x;
- if (dst[0] != bg) {
- dst[0] = limit;
- break;
- }
- }
- for (y = end - 1; y >= start; y--) {
- dst = (uint16_t *)out->data[component] + y * dst_linesize + x;
- if (dst[0] != bg) {
- dst[0] = limit;
- break;
- }
- }
- }
- } else {
- for (y = 0; y < dst_h; y++) {
- dst = (uint16_t *)out->data[component] + y * dst_linesize;
- for (x = start; x < end; x++) {
- if (dst[x] != bg) {
- dst[x] = limit;
- break;
- }
- }
- for (x = end - 1; x >= start; x--) {
- if (dst[x] != bg) {
- dst[x] = limit;
- break;
- }
- }
- }
- }
- }
- static void envelope_instant(WaveformContext *s, AVFrame *out, int plane, int component)
- {
- const int dst_linesize = out->linesize[component];
- const uint8_t bg = s->bg_color[component];
- const int is_chroma = (component == 1 || component == 2);
- const int shift_w = (is_chroma ? s->desc->log2_chroma_w : 0);
- const int shift_h = (is_chroma ? s->desc->log2_chroma_h : 0);
- const int dst_h = AV_CEIL_RSHIFT(out->height, shift_h);
- const int dst_w = AV_CEIL_RSHIFT(out->width, shift_w);
- const int start = s->estart[plane];
- const int end = s->eend[plane];
- uint8_t *dst;
- int x, y;
- if (s->mode) {
- for (x = 0; x < dst_w; x++) {
- for (y = start; y < end; y++) {
- dst = out->data[component] + y * dst_linesize + x;
- if (dst[0] != bg) {
- dst[0] = 255;
- break;
- }
- }
- for (y = end - 1; y >= start; y--) {
- dst = out->data[component] + y * dst_linesize + x;
- if (dst[0] != bg) {
- dst[0] = 255;
- break;
- }
- }
- }
- } else {
- for (y = 0; y < dst_h; y++) {
- dst = out->data[component] + y * dst_linesize;
- for (x = start; x < end; x++) {
- if (dst[x] != bg) {
- dst[x] = 255;
- break;
- }
- }
- for (x = end - 1; x >= start; x--) {
- if (dst[x] != bg) {
- dst[x] = 255;
- break;
- }
- }
- }
- }
- }
- static void envelope_peak16(WaveformContext *s, AVFrame *out, int plane, int component)
- {
- const int dst_linesize = out->linesize[component] / 2;
- const int bg = s->bg_color[component] * (s->max / 256);
- const int limit = s->max - 1;
- const int is_chroma = (component == 1 || component == 2);
- const int shift_w = (is_chroma ? s->desc->log2_chroma_w : 0);
- const int shift_h = (is_chroma ? s->desc->log2_chroma_h : 0);
- const int dst_h = AV_CEIL_RSHIFT(out->height, shift_h);
- const int dst_w = AV_CEIL_RSHIFT(out->width, shift_w);
- const int start = s->estart[plane];
- const int end = s->eend[plane];
- int *emax = s->emax[plane][component];
- int *emin = s->emin[plane][component];
- uint16_t *dst;
- int x, y;
- if (s->mode) {
- for (x = 0; x < dst_w; x++) {
- for (y = start; y < end && y < emin[x]; y++) {
- dst = (uint16_t *)out->data[component] + y * dst_linesize + x;
- if (dst[0] != bg) {
- emin[x] = y;
- break;
- }
- }
- for (y = end - 1; y >= start && y >= emax[x]; y--) {
- dst = (uint16_t *)out->data[component] + y * dst_linesize + x;
- if (dst[0] != bg) {
- emax[x] = y;
- break;
- }
- }
- }
- if (s->envelope == 3)
- envelope_instant16(s, out, plane, component);
- for (x = 0; x < dst_w; x++) {
- dst = (uint16_t *)out->data[component] + emin[x] * dst_linesize + x;
- dst[0] = limit;
- dst = (uint16_t *)out->data[component] + emax[x] * dst_linesize + x;
- dst[0] = limit;
- }
- } else {
- for (y = 0; y < dst_h; y++) {
- dst = (uint16_t *)out->data[component] + y * dst_linesize;
- for (x = start; x < end && x < emin[y]; x++) {
- if (dst[x] != bg) {
- emin[y] = x;
- break;
- }
- }
- for (x = end - 1; x >= start && x >= emax[y]; x--) {
- if (dst[x] != bg) {
- emax[y] = x;
- break;
- }
- }
- }
- if (s->envelope == 3)
- envelope_instant16(s, out, plane, component);
- for (y = 0; y < dst_h; y++) {
- dst = (uint16_t *)out->data[component] + y * dst_linesize + emin[y];
- dst[0] = limit;
- dst = (uint16_t *)out->data[component] + y * dst_linesize + emax[y];
- dst[0] = limit;
- }
- }
- }
- static void envelope_peak(WaveformContext *s, AVFrame *out, int plane, int component)
- {
- const int dst_linesize = out->linesize[component];
- const int bg = s->bg_color[component];
- const int is_chroma = (component == 1 || component == 2);
- const int shift_w = (is_chroma ? s->desc->log2_chroma_w : 0);
- const int shift_h = (is_chroma ? s->desc->log2_chroma_h : 0);
- const int dst_h = AV_CEIL_RSHIFT(out->height, shift_h);
- const int dst_w = AV_CEIL_RSHIFT(out->width, shift_w);
- const int start = s->estart[plane];
- const int end = s->eend[plane];
- int *emax = s->emax[plane][component];
- int *emin = s->emin[plane][component];
- uint8_t *dst;
- int x, y;
- if (s->mode) {
- for (x = 0; x < dst_w; x++) {
- for (y = start; y < end && y < emin[x]; y++) {
- dst = out->data[component] + y * dst_linesize + x;
- if (dst[0] != bg) {
- emin[x] = y;
- break;
- }
- }
- for (y = end - 1; y >= start && y >= emax[x]; y--) {
- dst = out->data[component] + y * dst_linesize + x;
- if (dst[0] != bg) {
- emax[x] = y;
- break;
- }
- }
- }
- if (s->envelope == 3)
- envelope_instant(s, out, plane, component);
- for (x = 0; x < dst_w; x++) {
- dst = out->data[component] + emin[x] * dst_linesize + x;
- dst[0] = 255;
- dst = out->data[component] + emax[x] * dst_linesize + x;
- dst[0] = 255;
- }
- } else {
- for (y = 0; y < dst_h; y++) {
- dst = out->data[component] + y * dst_linesize;
- for (x = start; x < end && x < emin[y]; x++) {
- if (dst[x] != bg) {
- emin[y] = x;
- break;
- }
- }
- for (x = end - 1; x >= start && x >= emax[y]; x--) {
- if (dst[x] != bg) {
- emax[y] = x;
- break;
- }
- }
- }
- if (s->envelope == 3)
- envelope_instant(s, out, plane, component);
- for (y = 0; y < dst_h; y++) {
- dst = out->data[component] + y * dst_linesize + emin[y];
- dst[0] = 255;
- dst = out->data[component] + y * dst_linesize + emax[y];
- dst[0] = 255;
- }
- }
- }
- static void envelope16(WaveformContext *s, AVFrame *out, int plane, int component)
- {
- if (s->envelope == 0) {
- return;
- } else if (s->envelope == 1) {
- envelope_instant16(s, out, plane, component);
- } else {
- envelope_peak16(s, out, plane, component);
- }
- }
- static void envelope(WaveformContext *s, AVFrame *out, int plane, int component)
- {
- if (s->envelope == 0) {
- return;
- } else if (s->envelope == 1) {
- envelope_instant(s, out, plane, component);
- } else {
- envelope_peak(s, out, plane, component);
- }
- }
- static void update16(uint16_t *target, int max, int intensity, int limit)
- {
- if (*target <= max)
- *target += intensity;
- else
- *target = limit;
- }
- static void update(uint8_t *target, int max, int intensity)
- {
- if (*target <= max)
- *target += intensity;
- else
- *target = 255;
- }
- static void lowpass16(WaveformContext *s, AVFrame *in, AVFrame *out,
- int component, int intensity, int offset, int column)
- {
- const int plane = s->desc->comp[component].plane;
- const int mirror = s->mirror;
- const int is_chroma = (component == 1 || component == 2);
- const int shift_w = (is_chroma ? s->desc->log2_chroma_w : 0);
- const int shift_h = (is_chroma ? s->desc->log2_chroma_h : 0);
- const int src_linesize = in->linesize[plane] / 2;
- const int dst_linesize = out->linesize[plane] / 2;
- const int dst_signed_linesize = dst_linesize * (mirror == 1 ? -1 : 1);
- const int limit = s->max - 1;
- const int max = limit - intensity;
- const int src_h = AV_CEIL_RSHIFT(in->height, shift_h);
- const int src_w = AV_CEIL_RSHIFT(in->width, shift_w);
- const uint16_t *src_data = (const uint16_t *)in->data[plane];
- uint16_t *dst_data = (uint16_t *)out->data[plane] + (column ? (offset >> shift_h) * dst_linesize : offset >> shift_w);
- uint16_t * const dst_bottom_line = dst_data + dst_linesize * ((s->size >> shift_h) - 1);
- uint16_t * const dst_line = (mirror ? dst_bottom_line : dst_data);
- const uint16_t *p;
- int y;
- if (!column && mirror)
- dst_data += s->size >> shift_w;
- for (y = 0; y < src_h; y++) {
- const uint16_t *src_data_end = src_data + src_w;
- uint16_t *dst = dst_line;
- for (p = src_data; p < src_data_end; p++) {
- uint16_t *target;
- int v = FFMIN(*p, limit);
- if (column) {
- target = dst++ + dst_signed_linesize * (v >> shift_h);
- } else {
- if (mirror)
- target = dst_data - (v >> shift_w) - 1;
- else
- target = dst_data + (v >> shift_w);
- }
- update16(target, max, intensity, limit);
- }
- src_data += src_linesize;
- dst_data += dst_linesize;
- }
- envelope16(s, out, plane, plane);
- }
- static void lowpass(WaveformContext *s, AVFrame *in, AVFrame *out,
- int component, int intensity, int offset, int column)
- {
- const int plane = s->desc->comp[component].plane;
- const int mirror = s->mirror;
- const int is_chroma = (component == 1 || component == 2);
- const int shift_w = (is_chroma ? s->desc->log2_chroma_w : 0);
- const int shift_h = (is_chroma ? s->desc->log2_chroma_h : 0);
- const int src_linesize = in->linesize[plane];
- const int dst_linesize = out->linesize[plane];
- const int dst_signed_linesize = dst_linesize * (mirror == 1 ? -1 : 1);
- const int max = 255 - intensity;
- const int src_h = AV_CEIL_RSHIFT(in->height, shift_h);
- const int src_w = AV_CEIL_RSHIFT(in->width, shift_w);
- const uint8_t *src_data = in->data[plane];
- uint8_t *dst_data = out->data[plane] + (column ? (offset >> shift_h) * dst_linesize : offset >> shift_w);
- uint8_t * const dst_bottom_line = dst_data + dst_linesize * ((s->size >> shift_h) - 1);
- uint8_t * const dst_line = (mirror ? dst_bottom_line : dst_data);
- const uint8_t *p;
- int y;
- if (!column && mirror)
- dst_data += s->size >> shift_w;
- for (y = 0; y < src_h; y++) {
- const uint8_t *src_data_end = src_data + src_w;
- uint8_t *dst = dst_line;
- for (p = src_data; p < src_data_end; p++) {
- uint8_t *target;
- if (column) {
- target = dst++ + dst_signed_linesize * (*p >> shift_h);
- } else {
- if (mirror)
- target = dst_data - (*p >> shift_w) - 1;
- else
- target = dst_data + (*p >> shift_w);
- }
- update(target, max, intensity);
- }
- src_data += src_linesize;
- dst_data += dst_linesize;
- }
- envelope(s, out, plane, plane);
- }
- static void flat(WaveformContext *s, AVFrame *in, AVFrame *out,
- int component, int intensity, int offset, int column)
- {
- const int plane = s->desc->comp[component].plane;
- const int mirror = s->mirror;
- const int c0_linesize = in->linesize[ plane + 0 ];
- const int c1_linesize = in->linesize[(plane + 1) % s->ncomp];
- const int c2_linesize = in->linesize[(plane + 2) % s->ncomp];
- const int d0_linesize = out->linesize[ plane + 0 ];
- const int d1_linesize = out->linesize[(plane + 1) % s->ncomp];
- const int max = 255 - intensity;
- const int src_h = in->height;
- const int src_w = in->width;
- int x, y;
- if (column) {
- const int d0_signed_linesize = d0_linesize * (mirror == 1 ? -1 : 1);
- const int d1_signed_linesize = d1_linesize * (mirror == 1 ? -1 : 1);
- for (x = 0; x < src_w; x++) {
- const uint8_t *c0_data = in->data[plane + 0];
- const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp];
- const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp];
- uint8_t *d0_data = out->data[plane] + offset * d0_linesize;
- uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset * d1_linesize;
- uint8_t * const d0_bottom_line = d0_data + d0_linesize * (s->size - 1);
- uint8_t * const d0 = (mirror ? d0_bottom_line : d0_data);
- uint8_t * const d1_bottom_line = d1_data + d1_linesize * (s->size - 1);
- uint8_t * const d1 = (mirror ? d1_bottom_line : d1_data);
- for (y = 0; y < src_h; y++) {
- const int c0 = c0_data[x] + 256;
- const int c1 = FFABS(c1_data[x] - 128) + FFABS(c2_data[x] - 128);
- uint8_t *target;
- target = d0 + x + d0_signed_linesize * c0;
- update(target, max, intensity);
- target = d1 + x + d1_signed_linesize * (c0 - c1);
- update(target, max, 1);
- target = d1 + x + d1_signed_linesize * (c0 + c1);
- update(target, max, 1);
- c0_data += c0_linesize;
- c1_data += c1_linesize;
- c2_data += c2_linesize;
- d0_data += d0_linesize;
- d1_data += d1_linesize;
- }
- }
- } else {
- const uint8_t *c0_data = in->data[plane];
- const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp];
- const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp];
- uint8_t *d0_data = out->data[plane] + offset;
- uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset;
- if (mirror) {
- d0_data += s->size - 1;
- d1_data += s->size - 1;
- }
- for (y = 0; y < src_h; y++) {
- for (x = 0; x < src_w; x++) {
- int c0 = c0_data[x] + 256;
- const int c1 = FFABS(c1_data[x] - 128) + FFABS(c2_data[x] - 128);
- uint8_t *target;
- if (mirror) {
- target = d0_data - c0;
- update(target, max, intensity);
- target = d1_data - (c0 - c1);
- update(target, max, 1);
- target = d1_data - (c0 + c1);
- update(target, max, 1);
- } else {
- target = d0_data + c0;
- update(target, max, intensity);
- target = d1_data + (c0 - c1);
- update(target, max, 1);
- target = d1_data + (c0 + c1);
- update(target, max, 1);
- }
- }
- c0_data += c0_linesize;
- c1_data += c1_linesize;
- c2_data += c2_linesize;
- d0_data += d0_linesize;
- d1_data += d1_linesize;
- }
- }
- envelope(s, out, plane, plane);
- envelope(s, out, plane, (plane + 1) % s->ncomp);
- }
- static void aflat(WaveformContext *s, AVFrame *in, AVFrame *out,
- int component, int intensity, int offset, int column)
- {
- const int plane = s->desc->comp[component].plane;
- const int mirror = s->mirror;
- const int c0_linesize = in->linesize[ plane + 0 ];
- const int c1_linesize = in->linesize[(plane + 1) % s->ncomp];
- const int c2_linesize = in->linesize[(plane + 2) % s->ncomp];
- const int d0_linesize = out->linesize[ plane + 0 ];
- const int d1_linesize = out->linesize[(plane + 1) % s->ncomp];
- const int d2_linesize = out->linesize[(plane + 2) % s->ncomp];
- const int max = 255 - intensity;
- const int src_h = in->height;
- const int src_w = in->width;
- int x, y;
- if (column) {
- const int d0_signed_linesize = d0_linesize * (mirror == 1 ? -1 : 1);
- const int d1_signed_linesize = d1_linesize * (mirror == 1 ? -1 : 1);
- const int d2_signed_linesize = d2_linesize * (mirror == 1 ? -1 : 1);
- for (x = 0; x < src_w; x++) {
- const uint8_t *c0_data = in->data[plane + 0];
- const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp];
- const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp];
- uint8_t *d0_data = out->data[plane] + offset * d0_linesize;
- uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset * d1_linesize;
- uint8_t *d2_data = out->data[(plane + 2) % s->ncomp] + offset * d2_linesize;
- uint8_t * const d0_bottom_line = d0_data + d0_linesize * (s->size - 1);
- uint8_t * const d0 = (mirror ? d0_bottom_line : d0_data);
- uint8_t * const d1_bottom_line = d1_data + d1_linesize * (s->size - 1);
- uint8_t * const d1 = (mirror ? d1_bottom_line : d1_data);
- uint8_t * const d2_bottom_line = d2_data + d2_linesize * (s->size - 1);
- uint8_t * const d2 = (mirror ? d2_bottom_line : d2_data);
- for (y = 0; y < src_h; y++) {
- const int c0 = c0_data[x] + 128;
- const int c1 = c1_data[x] - 128;
- const int c2 = c2_data[x] - 128;
- uint8_t *target;
- target = d0 + x + d0_signed_linesize * c0;
- update(target, max, intensity);
- target = d1 + x + d1_signed_linesize * (c0 + c1);
- update(target, max, 1);
- target = d2 + x + d2_signed_linesize * (c0 + c2);
- update(target, max, 1);
- c0_data += c0_linesize;
- c1_data += c1_linesize;
- c2_data += c2_linesize;
- d0_data += d0_linesize;
- d1_data += d1_linesize;
- d2_data += d2_linesize;
- }
- }
- } else {
- const uint8_t *c0_data = in->data[plane];
- const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp];
- const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp];
- uint8_t *d0_data = out->data[plane] + offset;
- uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset;
- uint8_t *d2_data = out->data[(plane + 2) % s->ncomp] + offset;
- if (mirror) {
- d0_data += s->size - 1;
- d1_data += s->size - 1;
- d2_data += s->size - 1;
- }
- for (y = 0; y < src_h; y++) {
- for (x = 0; x < src_w; x++) {
- const int c0 = c0_data[x] + 128;
- const int c1 = c1_data[x] - 128;
- const int c2 = c2_data[x] - 128;
- uint8_t *target;
- if (mirror) {
- target = d0_data - c0;
- update(target, max, intensity);
- target = d1_data - (c0 + c1);
- update(target, max, 1);
- target = d2_data - (c0 + c2);
- update(target, max, 1);
- } else {
- target = d0_data + c0;
- update(target, max, intensity);
- target = d1_data + (c0 + c1);
- update(target, max, 1);
- target = d2_data + (c0 + c2);
- update(target, max, 1);
- }
- }
- c0_data += c0_linesize;
- c1_data += c1_linesize;
- c2_data += c2_linesize;
- d0_data += d0_linesize;
- d1_data += d1_linesize;
- d2_data += d2_linesize;
- }
- }
- envelope(s, out, plane, (plane + 0) % s->ncomp);
- envelope(s, out, plane, (plane + 1) % s->ncomp);
- envelope(s, out, plane, (plane + 2) % s->ncomp);
- }
- static void chroma(WaveformContext *s, AVFrame *in, AVFrame *out,
- int component, int intensity, int offset, int column)
- {
- const int plane = s->desc->comp[component].plane;
- const int mirror = s->mirror;
- const int c0_linesize = in->linesize[(plane + 1) % s->ncomp];
- const int c1_linesize = in->linesize[(plane + 2) % s->ncomp];
- const int dst_linesize = out->linesize[plane];
- const int max = 255 - intensity;
- const int src_h = in->height;
- const int src_w = in->width;
- int x, y;
- if (column) {
- const int dst_signed_linesize = dst_linesize * (mirror == 1 ? -1 : 1);
- for (x = 0; x < src_w; x++) {
- const uint8_t *c0_data = in->data[(plane + 1) % s->ncomp];
- const uint8_t *c1_data = in->data[(plane + 2) % s->ncomp];
- uint8_t *dst_data = out->data[plane] + offset * dst_linesize;
- uint8_t * const dst_bottom_line = dst_data + dst_linesize * (s->size - 1);
- uint8_t * const dst_line = (mirror ? dst_bottom_line : dst_data);
- uint8_t *dst = dst_line;
- for (y = 0; y < src_h; y++) {
- const int sum = FFABS(c0_data[x] - 128) + FFABS(c1_data[x] - 128);
- uint8_t *target;
- target = dst + x + dst_signed_linesize * (256 - sum);
- update(target, max, intensity);
- target = dst + x + dst_signed_linesize * (255 + sum);
- update(target, max, intensity);
- c0_data += c0_linesize;
- c1_data += c1_linesize;
- dst_data += dst_linesize;
- }
- }
- } else {
- const uint8_t *c0_data = in->data[(plane + 1) % s->ncomp];
- const uint8_t *c1_data = in->data[(plane + 2) % s->ncomp];
- uint8_t *dst_data = out->data[plane] + offset;
- if (mirror)
- dst_data += s->size - 1;
- for (y = 0; y < src_h; y++) {
- for (x = 0; x < src_w; x++) {
- const int sum = FFABS(c0_data[x] - 128) + FFABS(c1_data[x] - 128);
- uint8_t *target;
- if (mirror) {
- target = dst_data - (256 - sum);
- update(target, max, intensity);
- target = dst_data - (255 + sum);
- update(target, max, intensity);
- } else {
- target = dst_data + (256 - sum);
- update(target, max, intensity);
- target = dst_data + (255 + sum);
- update(target, max, intensity);
- }
- }
- c0_data += c0_linesize;
- c1_data += c1_linesize;
- dst_data += dst_linesize;
- }
- }
- envelope(s, out, plane, (plane + 0) % s->ncomp);
- }
- static void achroma(WaveformContext *s, AVFrame *in, AVFrame *out,
- int component, int intensity, int offset, int column)
- {
- const int plane = s->desc->comp[component].plane;
- const int mirror = s->mirror;
- const int c1_linesize = in->linesize[(plane + 1) % s->ncomp];
- const int c2_linesize = in->linesize[(plane + 2) % s->ncomp];
- const int d1_linesize = out->linesize[(plane + 1) % s->ncomp];
- const int d2_linesize = out->linesize[(plane + 2) % s->ncomp];
- const int max = 255 - intensity;
- const int src_h = in->height;
- const int src_w = in->width;
- int x, y;
- if (column) {
- const int d1_signed_linesize = d1_linesize * (mirror == 1 ? -1 : 1);
- const int d2_signed_linesize = d2_linesize * (mirror == 1 ? -1 : 1);
- for (x = 0; x < src_w; x++) {
- const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp];
- const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp];
- uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset * d1_linesize;
- uint8_t *d2_data = out->data[(plane + 2) % s->ncomp] + offset * d2_linesize;
- uint8_t * const d1_bottom_line = d1_data + d1_linesize * (s->size - 1);
- uint8_t * const d1 = (mirror ? d1_bottom_line : d1_data);
- uint8_t * const d2_bottom_line = d2_data + d2_linesize * (s->size - 1);
- uint8_t * const d2 = (mirror ? d2_bottom_line : d2_data);
- for (y = 0; y < src_h; y++) {
- const int c1 = c1_data[x] - 128;
- const int c2 = c2_data[x] - 128;
- uint8_t *target;
- target = d1 + x + d1_signed_linesize * (128 + c1);
- update(target, max, intensity);
- target = d2 + x + d2_signed_linesize * (128 + c2);
- update(target, max, intensity);
- c1_data += c1_linesize;
- c2_data += c2_linesize;
- d1_data += d1_linesize;
- d2_data += d2_linesize;
- }
- }
- } else {
- const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp];
- const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp];
- uint8_t *d0_data = out->data[plane] + offset;
- uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset;
- uint8_t *d2_data = out->data[(plane + 2) % s->ncomp] + offset;
- if (mirror) {
- d0_data += s->size - 1;
- d1_data += s->size - 1;
- d2_data += s->size - 1;
- }
- for (y = 0; y < src_h; y++) {
- for (x = 0; x < src_w; x++) {
- const int c1 = c1_data[x] - 128;
- const int c2 = c2_data[x] - 128;
- uint8_t *target;
- if (mirror) {
- target = d1_data - (128 + c1);
- update(target, max, intensity);
- target = d2_data - (128 + c2);
- update(target, max, intensity);
- } else {
- target = d1_data + (128 + c1);
- update(target, max, intensity);
- target = d2_data + (128 + c2);
- update(target, max, intensity);
- }
- }
- c1_data += c1_linesize;
- c2_data += c2_linesize;
- d1_data += d1_linesize;
- d2_data += d2_linesize;
- }
- }
- envelope(s, out, plane, (plane + 1) % s->ncomp);
- envelope(s, out, plane, (plane + 2) % s->ncomp);
- }
- static void color16(WaveformContext *s, AVFrame *in, AVFrame *out,
- int component, int intensity, int offset, int column)
- {
- const int plane = s->desc->comp[component].plane;
- const int mirror = s->mirror;
- const int limit = s->max - 1;
- const uint16_t *c0_data = (const uint16_t *)in->data[plane + 0];
- const uint16_t *c1_data = (const uint16_t *)in->data[(plane + 1) % s->ncomp];
- const uint16_t *c2_data = (const uint16_t *)in->data[(plane + 2) % s->ncomp];
- const int c0_linesize = in->linesize[ plane + 0 ] / 2;
- const int c1_linesize = in->linesize[(plane + 1) % s->ncomp] / 2;
- const int c2_linesize = in->linesize[(plane + 2) % s->ncomp] / 2;
- const int d0_linesize = out->linesize[ plane + 0 ] / 2;
- const int d1_linesize = out->linesize[(plane + 1) % s->ncomp] / 2;
- const int d2_linesize = out->linesize[(plane + 2) % s->ncomp] / 2;
- const int src_h = in->height;
- const int src_w = in->width;
- int x, y;
- if (s->mode) {
- const int d0_signed_linesize = d0_linesize * (mirror == 1 ? -1 : 1);
- const int d1_signed_linesize = d1_linesize * (mirror == 1 ? -1 : 1);
- const int d2_signed_linesize = d2_linesize * (mirror == 1 ? -1 : 1);
- uint16_t *d0_data = (uint16_t *)out->data[plane] + offset * d0_linesize;
- uint16_t *d1_data = (uint16_t *)out->data[(plane + 1) % s->ncomp] + offset * d1_linesize;
- uint16_t *d2_data = (uint16_t *)out->data[(plane + 2) % s->ncomp] + offset * d2_linesize;
- uint16_t * const d0_bottom_line = d0_data + d0_linesize * (s->size - 1);
- uint16_t * const d0 = (mirror ? d0_bottom_line : d0_data);
- uint16_t * const d1_bottom_line = d1_data + d1_linesize * (s->size - 1);
- uint16_t * const d1 = (mirror ? d1_bottom_line : d1_data);
- uint16_t * const d2_bottom_line = d2_data + d2_linesize * (s->size - 1);
- uint16_t * const d2 = (mirror ? d2_bottom_line : d2_data);
- for (y = 0; y < src_h; y++) {
- for (x = 0; x < src_w; x++) {
- const int c0 = FFMIN(c0_data[x], limit);
- const int c1 = c1_data[x];
- const int c2 = c2_data[x];
- *(d0 + d0_signed_linesize * c0 + x) = c0;
- *(d1 + d1_signed_linesize * c0 + x) = c1;
- *(d2 + d2_signed_linesize * c0 + x) = c2;
- }
- c0_data += c0_linesize;
- c1_data += c1_linesize;
- c2_data += c2_linesize;
- d0_data += d0_linesize;
- d1_data += d1_linesize;
- d2_data += d2_linesize;
- }
- } else {
- uint16_t *d0_data = (uint16_t *)out->data[plane] + offset;
- uint16_t *d1_data = (uint16_t *)out->data[(plane + 1) % s->ncomp] + offset;
- uint16_t *d2_data = (uint16_t *)out->data[(plane + 2) % s->ncomp] + offset;
- if (mirror) {
- d0_data += s->size - 1;
- d1_data += s->size - 1;
- d2_data += s->size - 1;
- }
- for (y = 0; y < src_h; y++) {
- for (x = 0; x < src_w; x++) {
- const int c0 = FFMIN(c0_data[x], limit);
- const int c1 = c1_data[x];
- const int c2 = c2_data[x];
- if (mirror) {
- *(d0_data - c0) = c0;
- *(d1_data - c0) = c1;
- *(d2_data - c0) = c2;
- } else {
- *(d0_data + c0) = c0;
- *(d1_data + c0) = c1;
- *(d2_data + c0) = c2;
- }
- }
- c0_data += c0_linesize;
- c1_data += c1_linesize;
- c2_data += c2_linesize;
- d0_data += d0_linesize;
- d1_data += d1_linesize;
- d2_data += d2_linesize;
- }
- }
- envelope16(s, out, plane, plane);
- }
- static void color(WaveformContext *s, AVFrame *in, AVFrame *out,
- int component, int intensity, int offset, int column)
- {
- const int plane = s->desc->comp[component].plane;
- const int mirror = s->mirror;
- const uint8_t *c0_data = in->data[plane + 0];
- const uint8_t *c1_data = in->data[(plane + 1) % s->ncomp];
- const uint8_t *c2_data = in->data[(plane + 2) % s->ncomp];
- const int c0_linesize = in->linesize[ plane + 0 ];
- const int c1_linesize = in->linesize[(plane + 1) % s->ncomp];
- const int c2_linesize = in->linesize[(plane + 2) % s->ncomp];
- const int d0_linesize = out->linesize[ plane + 0 ];
- const int d1_linesize = out->linesize[(plane + 1) % s->ncomp];
- const int d2_linesize = out->linesize[(plane + 2) % s->ncomp];
- const int src_h = in->height;
- const int src_w = in->width;
- int x, y;
- if (s->mode) {
- const int d0_signed_linesize = d0_linesize * (mirror == 1 ? -1 : 1);
- const int d1_signed_linesize = d1_linesize * (mirror == 1 ? -1 : 1);
- const int d2_signed_linesize = d2_linesize * (mirror == 1 ? -1 : 1);
- uint8_t *d0_data = out->data[plane] + offset * d0_linesize;
- uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset * d1_linesize;
- uint8_t *d2_data = out->data[(plane + 2) % s->ncomp] + offset * d2_linesize;
- uint8_t * const d0_bottom_line = d0_data + d0_linesize * (s->size - 1);
- uint8_t * const d0 = (mirror ? d0_bottom_line : d0_data);
- uint8_t * const d1_bottom_line = d1_data + d1_linesize * (s->size - 1);
- uint8_t * const d1 = (mirror ? d1_bottom_line : d1_data);
- uint8_t * const d2_bottom_line = d2_data + d2_linesize * (s->size - 1);
- uint8_t * const d2 = (mirror ? d2_bottom_line : d2_data);
- for (y = 0; y < src_h; y++) {
- for (x = 0; x < src_w; x++) {
- const int c0 = c0_data[x];
- const int c1 = c1_data[x];
- const int c2 = c2_data[x];
- *(d0 + d0_signed_linesize * c0 + x) = c0;
- *(d1 + d1_signed_linesize * c0 + x) = c1;
- *(d2 + d2_signed_linesize * c0 + x) = c2;
- }
- c0_data += c0_linesize;
- c1_data += c1_linesize;
- c2_data += c2_linesize;
- d0_data += d0_linesize;
- d1_data += d1_linesize;
- d2_data += d2_linesize;
- }
- } else {
- uint8_t *d0_data = out->data[plane] + offset;
- uint8_t *d1_data = out->data[(plane + 1) % s->ncomp] + offset;
- uint8_t *d2_data = out->data[(plane + 2) % s->ncomp] + offset;
- if (mirror) {
- d0_data += s->size - 1;
- d1_data += s->size - 1;
- d2_data += s->size - 1;
- }
- for (y = 0; y < src_h; y++) {
- for (x = 0; x < src_w; x++) {
- const int c0 = c0_data[x];
- const int c1 = c1_data[x];
- const int c2 = c2_data[x];
- if (mirror) {
- *(d0_data - c0) = c0;
- *(d1_data - c0) = c1;
- *(d2_data - c0) = c2;
- } else {
- *(d0_data + c0) = c0;
- *(d1_data + c0) = c1;
- *(d2_data + c0) = c2;
- }
- }
- c0_data += c0_linesize;
- c1_data += c1_linesize;
- c2_data += c2_linesize;
- d0_data += d0_linesize;
- d1_data += d1_linesize;
- d2_data += d2_linesize;
- }
- }
- envelope(s, out, plane, plane);
- }
- static const uint8_t black_yuva_color[4] = { 0, 127, 127, 255 };
- static const uint8_t black_gbrp_color[4] = { 0, 0, 0, 255 };
- static int config_input(AVFilterLink *inlink)
- {
- AVFilterContext *ctx = inlink->dst;
- WaveformContext *s = ctx->priv;
- s->desc = av_pix_fmt_desc_get(inlink->format);
- s->ncomp = s->desc->nb_components;
- s->bits = s->desc->comp[0].depth;
- s->max = 1 << s->bits;
- s->intensity = s->fintensity * (s->max - 1);
- switch (s->filter) {
- case LOWPASS:
- s->size = 256;
- s->waveform = s->bits > 8 ? lowpass16 : lowpass; break;
- case FLAT:
- s->size = 256 * 3;
- s->waveform = flat; break;
- case AFLAT:
- s->size = 256 * 2;
- s->waveform = aflat; break;
- case CHROMA:
- s->size = 256 * 2;
- s->waveform = chroma; break;
- case ACHROMA:
- s->size = 256;
- s->waveform = achroma; break;
- case COLOR:
- s->size = 256;
- s->waveform = s->bits > 8 ? color16 : color; break;
- }
- s->size = s->size << (s->bits - 8);
- switch (inlink->format) {
- case AV_PIX_FMT_GBRAP:
- case AV_PIX_FMT_GBRP:
- case AV_PIX_FMT_GBRP9:
- case AV_PIX_FMT_GBRP10:
- s->bg_color = black_gbrp_color;
- break;
- default:
- s->bg_color = black_yuva_color;
- }
- return 0;
- }
- static int config_output(AVFilterLink *outlink)
- {
- AVFilterContext *ctx = outlink->src;
- AVFilterLink *inlink = ctx->inputs[0];
- WaveformContext *s = ctx->priv;
- int comp = 0, i, j = 0, k, p, size, shift;
- for (i = 0; i < s->ncomp; i++) {
- if ((1 << i) & s->pcomp)
- comp++;
- }
- av_freep(&s->peak);
- if (s->mode) {
- outlink->h = s->size * FFMAX(comp * s->display, 1);
- size = inlink->w;
- } else {
- outlink->w = s->size * FFMAX(comp * s->display, 1);
- size = inlink->h;
- }
- s->peak = av_malloc_array(size, 32 * sizeof(*s->peak));
- if (!s->peak)
- return AVERROR(ENOMEM);
- for (p = 0; p < 4; p++) {
- const int is_chroma = (p == 1 || p == 2);
- const int shift_w = (is_chroma ? s->desc->log2_chroma_w : 0);
- const int shift_h = (is_chroma ? s->desc->log2_chroma_h : 0);
- const int plane = s->desc->comp[p].plane;
- int offset;
- if (!((1 << p) & s->pcomp))
- continue;
- shift = s->mode ? shift_h : shift_w;
- for (k = 0; k < 4; k++) {
- s->emax[plane][k] = s->peak + size * (plane * 4 + k + 0);
- s->emin[plane][k] = s->peak + size * (plane * 4 + k + 16);
- }
- offset = j++ * s->size * s->display;
- s->estart[plane] = offset >> shift;
- s->eend[plane] = (offset + s->size - 1) >> shift;
- for (i = 0; i < size; i++) {
- for (k = 0; k < 4; k++) {
- s->emax[plane][k][i] = s->estart[plane];
- s->emin[plane][k][i] = s->eend[plane];
- }
- }
- }
- outlink->sample_aspect_ratio = (AVRational){1,1};
- return 0;
- }
- static int filter_frame(AVFilterLink *inlink, AVFrame *in)
- {
- AVFilterContext *ctx = inlink->dst;
- WaveformContext *s = ctx->priv;
- AVFilterLink *outlink = ctx->outputs[0];
- AVFrame *out;
- int i, j, k;
- out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
- if (!out) {
- av_frame_free(&in);
- return AVERROR(ENOMEM);
- }
- out->pts = in->pts;
- for (k = 0; k < s->ncomp; k++) {
- const int is_chroma = (k == 1 || k == 2);
- const int dst_h = AV_CEIL_RSHIFT(outlink->h, (is_chroma ? s->desc->log2_chroma_h : 0));
- const int dst_w = AV_CEIL_RSHIFT(outlink->w, (is_chroma ? s->desc->log2_chroma_w : 0));
- if (s->bits <= 8) {
- for (i = 0; i < dst_h ; i++)
- memset(out->data[s->desc->comp[k].plane] +
- i * out->linesize[s->desc->comp[k].plane],
- s->bg_color[k], dst_w);
- } else {
- const int mult = s->size / 256;
- uint16_t *dst = (uint16_t *)out->data[s->desc->comp[k].plane];
- for (i = 0; i < dst_h ; i++) {
- for (j = 0; j < dst_w; j++)
- dst[j] = s->bg_color[k] * mult;
- dst += out->linesize[s->desc->comp[k].plane] / 2;
- }
- }
- }
- for (k = 0, i = 0; k < s->ncomp; k++) {
- if ((1 << k) & s->pcomp) {
- const int offset = i++ * s->size * s->display;
- s->waveform(s, in, out, k, s->intensity, offset, s->mode);
- }
- }
- av_frame_free(&in);
- return ff_filter_frame(outlink, out);
- }
- static av_cold void uninit(AVFilterContext *ctx)
- {
- WaveformContext *s = ctx->priv;
- av_freep(&s->peak);
- }
- 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,
- .config_props = config_output,
- },
- { NULL }
- };
- AVFilter ff_vf_waveform = {
- .name = "waveform",
- .description = NULL_IF_CONFIG_SMALL("Video waveform monitor."),
- .priv_size = sizeof(WaveformContext),
- .priv_class = &waveform_class,
- .query_formats = query_formats,
- .uninit = uninit,
- .inputs = inputs,
- .outputs = outputs,
- };
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