2016-02-23 21:41:07 +00:00
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/*
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* Copyright (c) 2016 Paul B Mahol
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/avassert.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/opt.h"
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#include "libavutil/parseutils.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/xga_font_data.h"
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#include "avfilter.h"
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#include "drawutils.h"
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#include "formats.h"
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#include "internal.h"
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#include "video.h"
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typedef struct DatascopeContext {
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const AVClass *class;
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int ow, oh;
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int x, y;
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int mode;
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int axis;
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2016-09-08 22:40:30 +00:00
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float opacity;
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2016-02-23 21:41:07 +00:00
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int nb_planes;
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int nb_comps;
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int chars;
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FFDrawContext draw;
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FFDrawColor yellow;
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FFDrawColor white;
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FFDrawColor black;
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FFDrawColor gray;
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2016-09-09 12:16:22 +00:00
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void (*pick_color)(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value);
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void (*reverse_color)(FFDrawContext *draw, FFDrawColor *color, FFDrawColor *reverse);
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2016-02-23 21:41:07 +00:00
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int (*filter)(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs);
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} DatascopeContext;
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#define OFFSET(x) offsetof(DatascopeContext, x)
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#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
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static const AVOption datascope_options[] = {
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{ "size", "set output size", OFFSET(ow), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, FLAGS },
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{ "s", "set output size", OFFSET(ow), AV_OPT_TYPE_IMAGE_SIZE, {.str="hd720"}, 0, 0, FLAGS },
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{ "x", "set x offset", OFFSET(x), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGS },
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{ "y", "set y offset", OFFSET(y), AV_OPT_TYPE_INT, {.i64=0}, 0, INT_MAX, FLAGS },
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{ "mode", "set scope mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "mode" },
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{ "mono", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "mode" },
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{ "color", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "mode" },
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{ "color2", NULL, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "mode" },
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{ "axis", "draw column/row numbers", OFFSET(axis), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
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2016-09-08 22:40:30 +00:00
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{ "opacity", "set background opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS },
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2016-02-23 21:41:07 +00:00
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{ NULL }
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};
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AVFILTER_DEFINE_CLASS(datascope);
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static int query_formats(AVFilterContext *ctx)
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{
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return ff_set_common_formats(ctx, ff_draw_supported_pixel_formats(0));
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}
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2017-04-22 20:02:49 +00:00
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static void draw_text(FFDrawContext *draw, AVFrame *frame, FFDrawColor *color,
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2016-02-23 21:41:07 +00:00
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int x0, int y0, const uint8_t *text, int vertical)
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{
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int x = x0;
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for (; *text; text++) {
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if (*text == '\n') {
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x = x0;
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y0 += 8;
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continue;
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}
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2017-04-22 20:02:49 +00:00
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ff_blend_mask(draw, color, frame->data, frame->linesize,
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2016-02-23 21:41:07 +00:00
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frame->width, frame->height,
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avpriv_cga_font + *text * 8, 1, 8, 8, 0, 0, x, y0);
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if (vertical) {
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x = x0;
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y0 += 8;
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} else {
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x += 8;
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}
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}
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}
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2016-09-09 12:16:22 +00:00
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static void pick_color8(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value)
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2016-02-23 21:41:07 +00:00
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{
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int p, i;
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color->rgba[3] = 255;
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for (p = 0; p < draw->nb_planes; p++) {
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2016-09-09 12:16:22 +00:00
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if (draw->nb_planes == 1) {
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for (i = 0; i < 4; i++) {
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value[i] = in->data[0][y * in->linesize[0] + x * draw->pixelstep[0] + i];
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color->comp[0].u8[i] = value[i];
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2016-02-23 21:41:07 +00:00
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}
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} else {
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2016-09-09 12:16:22 +00:00
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value[p] = in->data[p][(y >> draw->vsub[p]) * in->linesize[p] + (x >> draw->hsub[p])];
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color->comp[p].u8[0] = value[p];
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}
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}
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}
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static void pick_color16(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value)
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{
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int p, i;
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color->rgba[3] = 255;
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for (p = 0; p < draw->nb_planes; p++) {
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if (draw->nb_planes == 1) {
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for (i = 0; i < 4; i++) {
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value[i] = AV_RL16(in->data[0] + y * in->linesize[0] + x * draw->pixelstep[0] + i * 2);
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color->comp[0].u16[i] = value[i];
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2016-02-23 21:41:07 +00:00
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}
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2016-09-09 12:16:22 +00:00
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} else {
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value[p] = AV_RL16(in->data[p] + (y >> draw->vsub[p]) * in->linesize[p] + (x >> draw->hsub[p]) * 2);
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color->comp[p].u16[0] = value[p];
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2016-02-23 21:41:07 +00:00
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}
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}
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}
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2016-09-09 12:16:22 +00:00
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static void reverse_color8(FFDrawContext *draw, FFDrawColor *color, FFDrawColor *reverse)
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2016-02-23 21:41:07 +00:00
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{
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int p;
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reverse->rgba[3] = 255;
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for (p = 0; p < draw->nb_planes; p++) {
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2016-09-09 12:16:22 +00:00
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reverse->comp[p].u8[0] = color->comp[p].u8[0] > 127 ? 0 : 255;
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reverse->comp[p].u8[1] = color->comp[p].u8[1] > 127 ? 0 : 255;
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reverse->comp[p].u8[2] = color->comp[p].u8[2] > 127 ? 0 : 255;
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}
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}
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2016-02-23 21:41:07 +00:00
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2016-09-09 12:16:22 +00:00
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static void reverse_color16(FFDrawContext *draw, FFDrawColor *color, FFDrawColor *reverse)
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{
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int p;
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reverse->rgba[3] = 255;
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for (p = 0; p < draw->nb_planes; p++) {
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const unsigned max = (1 << draw->desc->comp[p].depth) - 1;
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const unsigned mid = (max + 1) / 2;
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reverse->comp[p].u16[0] = color->comp[p].u16[0] > mid ? 0 : max;
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reverse->comp[p].u16[1] = color->comp[p].u16[1] > mid ? 0 : max;
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reverse->comp[p].u16[2] = color->comp[p].u16[2] > mid ? 0 : max;
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2016-02-23 21:41:07 +00:00
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}
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}
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typedef struct ThreadData {
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AVFrame *in, *out;
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int xoff, yoff;
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} ThreadData;
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static int filter_color2(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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DatascopeContext *s = ctx->priv;
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AVFilterLink *outlink = ctx->outputs[0];
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AVFilterLink *inlink = ctx->inputs[0];
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ThreadData *td = arg;
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AVFrame *in = td->in;
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AVFrame *out = td->out;
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const int xoff = td->xoff;
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const int yoff = td->yoff;
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const int P = FFMAX(s->nb_planes, s->nb_comps);
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const int C = s->chars;
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const int W = (outlink->w - xoff) / (C * 10);
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const int H = (outlink->h - yoff) / (P * 12);
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const char *format[2] = {"%02X\n", "%04X\n"};
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const int slice_start = (W * jobnr) / nb_jobs;
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const int slice_end = (W * (jobnr+1)) / nb_jobs;
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int x, y, p;
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for (y = 0; y < H && (y + s->y < inlink->h); y++) {
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for (x = slice_start; x < slice_end && (x + s->x < inlink->w); x++) {
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FFDrawColor color = { { 0 } };
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FFDrawColor reverse = { { 0 } };
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int value[4] = { 0 };
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2016-09-09 12:16:22 +00:00
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s->pick_color(&s->draw, &color, in, x + s->x, y + s->y, value);
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s->reverse_color(&s->draw, &color, &reverse);
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2016-02-23 21:41:07 +00:00
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ff_fill_rectangle(&s->draw, &color, out->data, out->linesize,
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xoff + x * C * 10, yoff + y * P * 12, C * 10, P * 12);
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for (p = 0; p < P; p++) {
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char text[256];
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snprintf(text, sizeof(text), format[C>>2], value[p]);
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2017-04-22 20:02:49 +00:00
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draw_text(&s->draw, out, &reverse, xoff + x * C * 10 + 2, yoff + y * P * 12 + p * 10 + 2, text, 0);
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2016-02-23 21:41:07 +00:00
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}
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}
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}
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return 0;
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}
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static int filter_color(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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DatascopeContext *s = ctx->priv;
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AVFilterLink *outlink = ctx->outputs[0];
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AVFilterLink *inlink = ctx->inputs[0];
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ThreadData *td = arg;
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AVFrame *in = td->in;
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AVFrame *out = td->out;
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const int xoff = td->xoff;
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const int yoff = td->yoff;
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const int P = FFMAX(s->nb_planes, s->nb_comps);
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const int C = s->chars;
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const int W = (outlink->w - xoff) / (C * 10);
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const int H = (outlink->h - yoff) / (P * 12);
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const char *format[2] = {"%02X\n", "%04X\n"};
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const int slice_start = (W * jobnr) / nb_jobs;
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const int slice_end = (W * (jobnr+1)) / nb_jobs;
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int x, y, p;
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for (y = 0; y < H && (y + s->y < inlink->h); y++) {
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for (x = slice_start; x < slice_end && (x + s->x < inlink->w); x++) {
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FFDrawColor color = { { 0 } };
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int value[4] = { 0 };
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2016-09-09 12:16:22 +00:00
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s->pick_color(&s->draw, &color, in, x + s->x, y + s->y, value);
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2016-02-23 21:41:07 +00:00
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for (p = 0; p < P; p++) {
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char text[256];
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snprintf(text, sizeof(text), format[C>>2], value[p]);
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2017-04-22 20:02:49 +00:00
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draw_text(&s->draw, out, &color, xoff + x * C * 10 + 2, yoff + y * P * 12 + p * 10 + 2, text, 0);
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2016-02-23 21:41:07 +00:00
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}
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}
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}
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return 0;
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}
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static int filter_mono(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
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{
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DatascopeContext *s = ctx->priv;
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AVFilterLink *outlink = ctx->outputs[0];
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AVFilterLink *inlink = ctx->inputs[0];
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ThreadData *td = arg;
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AVFrame *in = td->in;
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AVFrame *out = td->out;
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const int xoff = td->xoff;
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const int yoff = td->yoff;
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const int P = FFMAX(s->nb_planes, s->nb_comps);
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const int C = s->chars;
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const int W = (outlink->w - xoff) / (C * 10);
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const int H = (outlink->h - yoff) / (P * 12);
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const char *format[2] = {"%02X\n", "%04X\n"};
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const int slice_start = (W * jobnr) / nb_jobs;
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const int slice_end = (W * (jobnr+1)) / nb_jobs;
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int x, y, p;
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for (y = 0; y < H && (y + s->y < inlink->h); y++) {
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for (x = slice_start; x < slice_end && (x + s->x < inlink->w); x++) {
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FFDrawColor color = { { 0 } };
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int value[4] = { 0 };
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2016-09-09 12:16:22 +00:00
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s->pick_color(&s->draw, &color, in, x + s->x, y + s->y, value);
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2016-02-23 21:41:07 +00:00
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for (p = 0; p < P; p++) {
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char text[256];
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snprintf(text, sizeof(text), format[C>>2], value[p]);
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2017-04-22 20:02:49 +00:00
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draw_text(&s->draw, out, &s->white, xoff + x * C * 10 + 2, yoff + y * P * 12 + p * 10 + 2, text, 0);
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2016-02-23 21:41:07 +00:00
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}
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}
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}
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return 0;
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}
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static int filter_frame(AVFilterLink *inlink, AVFrame *in)
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{
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AVFilterContext *ctx = inlink->dst;
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DatascopeContext *s = ctx->priv;
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AVFilterLink *outlink = ctx->outputs[0];
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ThreadData td = { 0 };
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int ymaxlen = 0;
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int xmaxlen = 0;
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AVFrame *out;
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out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
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if (!out) {
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av_frame_free(&in);
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return AVERROR(ENOMEM);
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}
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out->pts = in->pts;
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ff_fill_rectangle(&s->draw, &s->black, out->data, out->linesize,
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|
|
0, 0, outlink->w, outlink->h);
|
|
|
|
|
|
|
|
if (s->axis) {
|
|
|
|
const int P = FFMAX(s->nb_planes, s->nb_comps);
|
|
|
|
const int C = s->chars;
|
|
|
|
int Y = outlink->h / (P * 12);
|
|
|
|
int X = outlink->w / (C * 10);
|
|
|
|
char text[256] = { 0 };
|
|
|
|
int x, y;
|
|
|
|
|
|
|
|
snprintf(text, sizeof(text), "%d", s->y + Y);
|
|
|
|
ymaxlen = strlen(text);
|
|
|
|
ymaxlen *= 10;
|
|
|
|
snprintf(text, sizeof(text), "%d", s->x + X);
|
|
|
|
xmaxlen = strlen(text);
|
|
|
|
xmaxlen *= 10;
|
|
|
|
|
|
|
|
Y = (outlink->h - xmaxlen) / (P * 12);
|
|
|
|
X = (outlink->w - ymaxlen) / (C * 10);
|
|
|
|
|
|
|
|
for (y = 0; y < Y; y++) {
|
|
|
|
snprintf(text, sizeof(text), "%d", s->y + y);
|
|
|
|
|
|
|
|
ff_fill_rectangle(&s->draw, &s->gray, out->data, out->linesize,
|
|
|
|
0, xmaxlen + y * P * 12 + (P + 1) * P - 2, ymaxlen, 10);
|
|
|
|
|
2017-04-22 20:02:49 +00:00
|
|
|
draw_text(&s->draw, out, &s->yellow, 2, xmaxlen + y * P * 12 + (P + 1) * P, text, 0);
|
2016-02-23 21:41:07 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
for (x = 0; x < X; x++) {
|
|
|
|
snprintf(text, sizeof(text), "%d", s->x + x);
|
|
|
|
|
|
|
|
ff_fill_rectangle(&s->draw, &s->gray, out->data, out->linesize,
|
|
|
|
ymaxlen + x * C * 10 + 2 * C - 2, 0, 10, xmaxlen);
|
|
|
|
|
2017-04-22 20:02:49 +00:00
|
|
|
draw_text(&s->draw, out, &s->yellow, ymaxlen + x * C * 10 + 2 * C, 2, text, 1);
|
2016-02-23 21:41:07 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
td.in = in; td.out = out, td.yoff = xmaxlen, td.xoff = ymaxlen;
|
2016-08-27 20:44:42 +00:00
|
|
|
ctx->internal->execute(ctx, s->filter, &td, NULL, FFMIN(ff_filter_get_nb_threads(ctx), FFMAX(outlink->w / 20, 1)));
|
2016-02-23 21:41:07 +00:00
|
|
|
|
|
|
|
av_frame_free(&in);
|
|
|
|
return ff_filter_frame(outlink, out);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int config_input(AVFilterLink *inlink)
|
|
|
|
{
|
|
|
|
DatascopeContext *s = inlink->dst->priv;
|
2016-09-08 22:40:30 +00:00
|
|
|
uint8_t alpha = s->opacity * 255;
|
2016-02-23 21:41:07 +00:00
|
|
|
|
|
|
|
s->nb_planes = av_pix_fmt_count_planes(inlink->format);
|
|
|
|
ff_draw_init(&s->draw, inlink->format, 0);
|
|
|
|
ff_draw_color(&s->draw, &s->white, (uint8_t[]){ 255, 255, 255, 255} );
|
2016-09-08 22:40:30 +00:00
|
|
|
ff_draw_color(&s->draw, &s->black, (uint8_t[]){ 0, 0, 0, alpha} );
|
2016-02-23 21:41:07 +00:00
|
|
|
ff_draw_color(&s->draw, &s->yellow, (uint8_t[]){ 255, 255, 0, 255} );
|
|
|
|
ff_draw_color(&s->draw, &s->gray, (uint8_t[]){ 77, 77, 77, 255} );
|
|
|
|
s->chars = (s->draw.desc->comp[0].depth + 7) / 8 * 2;
|
|
|
|
s->nb_comps = s->draw.desc->nb_components;
|
|
|
|
|
|
|
|
switch (s->mode) {
|
|
|
|
case 0: s->filter = filter_mono; break;
|
|
|
|
case 1: s->filter = filter_color; break;
|
|
|
|
case 2: s->filter = filter_color2; break;
|
|
|
|
}
|
|
|
|
|
2016-09-09 12:16:22 +00:00
|
|
|
if (s->draw.desc->comp[0].depth <= 8) {
|
|
|
|
s->pick_color = pick_color8;
|
|
|
|
s->reverse_color = reverse_color8;
|
|
|
|
} else {
|
|
|
|
s->pick_color = pick_color16;
|
|
|
|
s->reverse_color = reverse_color16;
|
|
|
|
}
|
|
|
|
|
2016-02-23 21:41:07 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int config_output(AVFilterLink *outlink)
|
|
|
|
{
|
|
|
|
DatascopeContext *s = outlink->src->priv;
|
|
|
|
|
|
|
|
outlink->h = s->oh;
|
|
|
|
outlink->w = s->ow;
|
|
|
|
outlink->sample_aspect_ratio = (AVRational){1,1};
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
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_datascope = {
|
|
|
|
.name = "datascope",
|
|
|
|
.description = NULL_IF_CONFIG_SMALL("Video data analysis."),
|
|
|
|
.priv_size = sizeof(DatascopeContext),
|
|
|
|
.priv_class = &datascope_class,
|
|
|
|
.query_formats = query_formats,
|
|
|
|
.inputs = inputs,
|
|
|
|
.outputs = outputs,
|
|
|
|
.flags = AVFILTER_FLAG_SLICE_THREADS,
|
|
|
|
};
|
2017-04-22 20:02:49 +00:00
|
|
|
|
|
|
|
typedef struct PixscopeContext {
|
|
|
|
const AVClass *class;
|
|
|
|
|
|
|
|
float xpos, ypos;
|
|
|
|
int w, h;
|
|
|
|
float o;
|
|
|
|
|
|
|
|
int x, y;
|
|
|
|
int ww, wh;
|
|
|
|
|
|
|
|
int nb_planes;
|
|
|
|
int nb_comps;
|
|
|
|
int is_rgb;
|
|
|
|
uint8_t rgba_map[4];
|
|
|
|
FFDrawContext draw;
|
|
|
|
FFDrawColor dark;
|
|
|
|
FFDrawColor black;
|
|
|
|
FFDrawColor white;
|
|
|
|
FFDrawColor green;
|
|
|
|
FFDrawColor blue;
|
|
|
|
FFDrawColor red;
|
|
|
|
FFDrawColor *colors[4];
|
|
|
|
|
|
|
|
void (*pick_color)(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value);
|
|
|
|
} PixscopeContext;
|
|
|
|
|
|
|
|
#define POFFSET(x) offsetof(PixscopeContext, x)
|
|
|
|
|
|
|
|
static const AVOption pixscope_options[] = {
|
|
|
|
{ "x", "set scope x offset", POFFSET(xpos), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS },
|
|
|
|
{ "y", "set scope y offset", POFFSET(ypos), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS },
|
|
|
|
{ "w", "set scope width", POFFSET(w), AV_OPT_TYPE_INT, {.i64=7}, 1, 80, FLAGS },
|
|
|
|
{ "h", "set scope height", POFFSET(h), AV_OPT_TYPE_INT, {.i64=7}, 1, 80, FLAGS },
|
|
|
|
{ "o", "set window opacity", POFFSET(o), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS },
|
|
|
|
{ NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
AVFILTER_DEFINE_CLASS(pixscope);
|
|
|
|
|
|
|
|
static int pixscope_config_input(AVFilterLink *inlink)
|
|
|
|
{
|
|
|
|
PixscopeContext *s = inlink->dst->priv;
|
|
|
|
|
|
|
|
s->nb_planes = av_pix_fmt_count_planes(inlink->format);
|
|
|
|
ff_draw_init(&s->draw, inlink->format, 0);
|
|
|
|
ff_draw_color(&s->draw, &s->dark, (uint8_t[]){ 0, 0, 0, s->o * 255} );
|
|
|
|
ff_draw_color(&s->draw, &s->black, (uint8_t[]){ 0, 0, 0, 255} );
|
|
|
|
ff_draw_color(&s->draw, &s->white, (uint8_t[]){ 255, 255, 255, 255} );
|
|
|
|
ff_draw_color(&s->draw, &s->green, (uint8_t[]){ 0, 255, 0, 255} );
|
|
|
|
ff_draw_color(&s->draw, &s->blue, (uint8_t[]){ 0, 0, 255, 255} );
|
|
|
|
ff_draw_color(&s->draw, &s->red, (uint8_t[]){ 255, 0, 0, 255} );
|
|
|
|
s->nb_comps = s->draw.desc->nb_components;
|
|
|
|
s->is_rgb = s->draw.desc->flags & AV_PIX_FMT_FLAG_RGB;
|
|
|
|
|
|
|
|
if (s->is_rgb) {
|
|
|
|
s->colors[0] = &s->red;
|
|
|
|
s->colors[1] = &s->green;
|
|
|
|
s->colors[2] = &s->blue;
|
|
|
|
s->colors[3] = &s->white;
|
|
|
|
ff_fill_rgba_map(s->rgba_map, inlink->format);
|
|
|
|
} else {
|
|
|
|
s->colors[0] = &s->white;
|
|
|
|
s->colors[1] = &s->blue;
|
|
|
|
s->colors[2] = &s->red;
|
|
|
|
s->colors[3] = &s->white;
|
|
|
|
s->rgba_map[0] = 0;
|
|
|
|
s->rgba_map[1] = 1;
|
|
|
|
s->rgba_map[2] = 2;
|
|
|
|
s->rgba_map[3] = 3;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (s->draw.desc->comp[0].depth <= 8) {
|
|
|
|
s->pick_color = pick_color8;
|
|
|
|
} else {
|
|
|
|
s->pick_color = pick_color16;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (inlink->w < 640 || inlink->h < 480) {
|
|
|
|
av_log(inlink->dst, AV_LOG_ERROR, "min supported resolution is 640x480\n");
|
|
|
|
return AVERROR(EINVAL);
|
|
|
|
}
|
|
|
|
|
|
|
|
s->ww = 300;
|
|
|
|
s->wh = 300 * 1.6180;
|
|
|
|
s->x = s->xpos * (inlink->w - 1);
|
|
|
|
s->y = s->ypos * (inlink->h - 1);
|
|
|
|
if (s->x + s->w >= inlink->w || s->y + s->h >= inlink->h) {
|
|
|
|
av_log(inlink->dst, AV_LOG_WARNING, "scope position is out of range, clipping\n");
|
|
|
|
s->x = FFMIN(s->x, inlink->w - s->w);
|
|
|
|
s->y = FFMIN(s->y, inlink->h - s->h);
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int pixscope_filter_frame(AVFilterLink *inlink, AVFrame *in)
|
|
|
|
{
|
|
|
|
AVFilterContext *ctx = inlink->dst;
|
|
|
|
PixscopeContext *s = ctx->priv;
|
|
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
|
|
int max[4] = { 0 }, min[4] = { INT_MAX, INT_MAX, INT_MAX, INT_MAX };
|
|
|
|
float average[4] = { 0 };
|
|
|
|
double rms[4] = { 0 };
|
|
|
|
const char rgba[4] = { 'R', 'G', 'B', 'A' };
|
|
|
|
const char yuva[4] = { 'Y', 'U', 'V', 'A' };
|
|
|
|
int x, y, X, Y, i, w, h;
|
|
|
|
char text[128];
|
|
|
|
|
|
|
|
w = s->ww / s->w;
|
|
|
|
h = s->ww / s->h;
|
|
|
|
|
|
|
|
if (s->x <= s->ww && s->y <= s->wh) {
|
|
|
|
X = in->width - s->ww;
|
|
|
|
Y = in->height - s->wh;
|
|
|
|
} else {
|
|
|
|
X = 0;
|
|
|
|
Y = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
ff_blend_rectangle(&s->draw, &s->dark, in->data, in->linesize,
|
|
|
|
in->width, in->height,
|
|
|
|
X,
|
|
|
|
Y,
|
|
|
|
s->ww,
|
|
|
|
s->wh);
|
|
|
|
|
|
|
|
for (y = 0; y < s->h; y++) {
|
|
|
|
for (x = 0; x < s->w; x++) {
|
|
|
|
FFDrawColor color = { { 0 } };
|
|
|
|
int value[4] = { 0 };
|
|
|
|
|
|
|
|
s->pick_color(&s->draw, &color, in, x + s->x, y + s->y, value);
|
|
|
|
ff_fill_rectangle(&s->draw, &color, in->data, in->linesize,
|
|
|
|
x * w + (s->ww - 4 - (s->w * w)) / 2 + X, y * h + 2 + Y, w, h);
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
|
|
rms[i] += (double)value[i] * (double)value[i];
|
|
|
|
average[i] += value[i];
|
|
|
|
min[i] = FFMIN(min[i], value[i]);
|
|
|
|
max[i] = FFMAX(max[i], value[i]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
ff_blend_rectangle(&s->draw, &s->black, in->data, in->linesize,
|
|
|
|
in->width, in->height,
|
|
|
|
s->x - 2, s->y - 2, s->w + 4, 1);
|
|
|
|
|
|
|
|
ff_blend_rectangle(&s->draw, &s->white, in->data, in->linesize,
|
|
|
|
in->width, in->height,
|
|
|
|
s->x - 1, s->y - 1, s->w + 2, 1);
|
|
|
|
|
|
|
|
ff_blend_rectangle(&s->draw, &s->white, in->data, in->linesize,
|
|
|
|
in->width, in->height,
|
|
|
|
s->x - 1, s->y - 1, 1, s->h + 2);
|
|
|
|
|
|
|
|
ff_blend_rectangle(&s->draw, &s->black, in->data, in->linesize,
|
|
|
|
in->width, in->height,
|
|
|
|
s->x - 2, s->y - 2, 1, s->h + 4);
|
|
|
|
|
|
|
|
ff_blend_rectangle(&s->draw, &s->white, in->data, in->linesize,
|
|
|
|
in->width, in->height,
|
|
|
|
s->x - 1, s->y + 1 + s->h, s->w + 3, 1);
|
|
|
|
|
|
|
|
ff_blend_rectangle(&s->draw, &s->black, in->data, in->linesize,
|
|
|
|
in->width, in->height,
|
|
|
|
s->x - 2, s->y + 2 + s->h, s->w + 4, 1);
|
|
|
|
|
|
|
|
ff_blend_rectangle(&s->draw, &s->white, in->data, in->linesize,
|
|
|
|
in->width, in->height,
|
|
|
|
s->x + 1 + s->w, s->y - 1, 1, s->h + 2);
|
|
|
|
|
|
|
|
ff_blend_rectangle(&s->draw, &s->black, in->data, in->linesize,
|
|
|
|
in->width, in->height,
|
|
|
|
s->x + 2 + s->w, s->y - 2, 1, s->h + 5);
|
|
|
|
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
|
|
rms[i] /= s->w * s->h;
|
|
|
|
rms[i] = sqrt(rms[i]);
|
|
|
|
average[i] /= s->w * s->h;
|
|
|
|
}
|
|
|
|
|
|
|
|
snprintf(text, sizeof(text), "CH AVG MIN MAX RMS\n");
|
|
|
|
draw_text(&s->draw, in, &s->white, X + 28, Y + s->ww + 20, text, 0);
|
|
|
|
for (i = 0; i < s->nb_comps; i++) {
|
|
|
|
int c = s->rgba_map[i];
|
|
|
|
|
|
|
|
snprintf(text, sizeof(text), "%c %07.1f %05d %05d %07.1f\n", s->is_rgb ? rgba[i] : yuva[i], average[c], min[c], max[c], rms[c]);
|
|
|
|
draw_text(&s->draw, in, s->colors[i], X + 28, Y + s->ww + 20 * (i + 2), text, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
return ff_filter_frame(outlink, in);
|
|
|
|
}
|
|
|
|
|
|
|
|
static const AVFilterPad pixscope_inputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
|
|
.filter_frame = pixscope_filter_frame,
|
|
|
|
.config_props = pixscope_config_input,
|
|
|
|
.needs_writable = 1,
|
|
|
|
},
|
|
|
|
{ NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
static const AVFilterPad pixscope_outputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
|
|
},
|
|
|
|
{ NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
AVFilter ff_vf_pixscope = {
|
|
|
|
.name = "pixscope",
|
|
|
|
.description = NULL_IF_CONFIG_SMALL("Pixel data analysis."),
|
|
|
|
.priv_size = sizeof(PixscopeContext),
|
|
|
|
.priv_class = &pixscope_class,
|
|
|
|
.query_formats = query_formats,
|
|
|
|
.inputs = pixscope_inputs,
|
|
|
|
.outputs = pixscope_outputs,
|
|
|
|
};
|
2017-04-25 17:31:05 +00:00
|
|
|
|
|
|
|
typedef struct PixelValues {
|
|
|
|
uint16_t p[4];
|
|
|
|
} PixelValues;
|
|
|
|
|
|
|
|
typedef struct OscilloscopeContext {
|
|
|
|
const AVClass *class;
|
|
|
|
|
|
|
|
float xpos, ypos;
|
|
|
|
float tx, ty;
|
|
|
|
float size;
|
|
|
|
float tilt;
|
|
|
|
float theight, twidth;
|
|
|
|
float o;
|
|
|
|
int components;
|
|
|
|
int grid;
|
|
|
|
int statistics;
|
|
|
|
int scope;
|
|
|
|
|
|
|
|
int x1, y1, x2, y2;
|
|
|
|
int ox, oy;
|
|
|
|
int height, width;
|
|
|
|
|
|
|
|
int max;
|
|
|
|
int nb_planes;
|
|
|
|
int nb_comps;
|
|
|
|
int is_rgb;
|
|
|
|
uint8_t rgba_map[4];
|
|
|
|
FFDrawContext draw;
|
|
|
|
FFDrawColor dark;
|
|
|
|
FFDrawColor black;
|
|
|
|
FFDrawColor white;
|
|
|
|
FFDrawColor green;
|
|
|
|
FFDrawColor blue;
|
|
|
|
FFDrawColor red;
|
|
|
|
FFDrawColor cyan;
|
|
|
|
FFDrawColor magenta;
|
|
|
|
FFDrawColor gray;
|
|
|
|
FFDrawColor *colors[4];
|
|
|
|
|
|
|
|
int nb_values;
|
|
|
|
PixelValues *values;
|
|
|
|
|
|
|
|
void (*pick_color)(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value);
|
|
|
|
void (*draw_trace)(struct OscilloscopeContext *s, AVFrame *frame);
|
|
|
|
} OscilloscopeContext;
|
|
|
|
|
|
|
|
#define OOFFSET(x) offsetof(OscilloscopeContext, x)
|
|
|
|
|
|
|
|
static const AVOption oscilloscope_options[] = {
|
|
|
|
{ "x", "set scope x position", OOFFSET(xpos), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS },
|
|
|
|
{ "y", "set scope y position", OOFFSET(ypos), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS },
|
|
|
|
{ "s", "set scope size", OOFFSET(size), AV_OPT_TYPE_FLOAT, {.dbl=0.8}, 0, 1, FLAGS },
|
|
|
|
{ "t", "set scope tilt", OOFFSET(tilt), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS },
|
|
|
|
{ "o", "set trace opacity", OOFFSET(o), AV_OPT_TYPE_FLOAT, {.dbl=0.8}, 0, 1, FLAGS },
|
|
|
|
{ "tx", "set trace x position", OOFFSET(tx), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS },
|
|
|
|
{ "ty", "set trace y position", OOFFSET(ty), AV_OPT_TYPE_FLOAT, {.dbl=0.9}, 0, 1, FLAGS },
|
|
|
|
{ "tw", "set trace width", OOFFSET(twidth), AV_OPT_TYPE_FLOAT, {.dbl=0.8},.1, 1, FLAGS },
|
|
|
|
{ "th", "set trace height", OOFFSET(theight), AV_OPT_TYPE_FLOAT, {.dbl=0.3},.1, 1, FLAGS },
|
|
|
|
{ "c", "set components to trace", OOFFSET(components), AV_OPT_TYPE_INT, {.i64=7}, 0, 15, FLAGS },
|
|
|
|
{ "g", "draw trace grid", OOFFSET(grid), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
|
|
|
|
{ "st", "draw statistics", OOFFSET(statistics), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
|
|
|
|
{ "sc", "draw scope", OOFFSET(scope), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
|
|
|
|
{ NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
AVFILTER_DEFINE_CLASS(oscilloscope);
|
|
|
|
|
|
|
|
static void oscilloscope_uninit(AVFilterContext *ctx)
|
|
|
|
{
|
|
|
|
OscilloscopeContext *s = ctx->priv;
|
|
|
|
|
|
|
|
av_freep(&s->values);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void draw_line(FFDrawContext *draw, int x0, int y0, int x1, int y1,
|
|
|
|
AVFrame *out, FFDrawColor *color)
|
|
|
|
{
|
|
|
|
int dx = FFABS(x1 - x0), sx = x0 < x1 ? 1 : -1;
|
|
|
|
int dy = FFABS(y1 - y0), sy = y0 < y1 ? 1 : -1;
|
|
|
|
int err = (dx > dy ? dx : -dy) / 2, e2;
|
|
|
|
int p, i;
|
|
|
|
|
|
|
|
for (;;) {
|
|
|
|
if (x0 >= 0 && y0 >= 0 && x0 < out->width && y0 < out->height) {
|
|
|
|
for (p = 0; p < draw->nb_planes; p++) {
|
|
|
|
if (draw->desc->comp[p].depth == 8) {
|
|
|
|
if (draw->nb_planes == 1) {
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
|
|
out->data[0][y0 * out->linesize[0] + x0 * draw->pixelstep[0] + i] = color->comp[0].u8[i];
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
out->data[p][out->linesize[p] * (y0 >> draw->vsub[p]) + (x0 >> draw->hsub[p])] = color->comp[p].u8[0];
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (draw->nb_planes == 1) {
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
|
|
AV_WN16(out->data[0] + y0 * out->linesize[0] + 2 * (x0 * draw->pixelstep[0] + i), color->comp[0].u16[i]);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
AV_WN16(out->data[p] + out->linesize[p] * (y0 >> draw->vsub[p]) + (x0 >> draw->hsub[p]) * 2, color->comp[p].u16[0]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (x0 == x1 && y0 == y1)
|
|
|
|
break;
|
|
|
|
|
|
|
|
e2 = err;
|
|
|
|
|
|
|
|
if (e2 >-dx) {
|
|
|
|
err -= dy;
|
|
|
|
x0 += sx;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (e2 < dy) {
|
|
|
|
err += dx;
|
|
|
|
y0 += sy;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void draw_trace8(OscilloscopeContext *s, AVFrame *frame)
|
|
|
|
{
|
|
|
|
int i, c;
|
|
|
|
|
|
|
|
for (i = 1; i < s->nb_values; i++) {
|
|
|
|
for (c = 0; c < s->nb_comps; c++) {
|
|
|
|
if ((1 << c) & s->components) {
|
|
|
|
int x = i * s->width / s->nb_values;
|
|
|
|
int px = (i - 1) * s->width / s->nb_values;
|
|
|
|
int py = s->height - s->values[i-1].p[c] * s->height / 256;
|
|
|
|
int y = s->height - s->values[i].p[c] * s->height / 256;
|
|
|
|
|
|
|
|
draw_line(&s->draw, s->ox + x, s->oy + y, s->ox + px, s->oy + py, frame, s->colors[c]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static void draw_trace16(OscilloscopeContext *s, AVFrame *frame)
|
|
|
|
{
|
|
|
|
int i, c;
|
|
|
|
|
|
|
|
for (i = 1; i < s->nb_values; i++) {
|
|
|
|
for (c = 0; c < s->nb_comps; c++) {
|
|
|
|
if ((1 << c) & s->components) {
|
|
|
|
int x = i * s->width / s->nb_values;
|
|
|
|
int px = (i - 1) * s->width / s->nb_values;
|
|
|
|
int py = s->height - s->values[i-1].p[c] * s->height / s->max;
|
|
|
|
int y = s->height - s->values[i].p[c] * s->height / s->max;
|
|
|
|
|
|
|
|
draw_line(&s->draw, s->ox + x, s->oy + y, s->ox + px, s->oy + py, frame, s->colors[c]);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int oscilloscope_config_input(AVFilterLink *inlink)
|
|
|
|
{
|
|
|
|
OscilloscopeContext *s = inlink->dst->priv;
|
|
|
|
int cx, cy, size;
|
|
|
|
double tilt;
|
|
|
|
|
|
|
|
s->nb_planes = av_pix_fmt_count_planes(inlink->format);
|
|
|
|
ff_draw_init(&s->draw, inlink->format, 0);
|
|
|
|
ff_draw_color(&s->draw, &s->dark, (uint8_t[]){ 0, 0, 0, s->o * 255} );
|
|
|
|
ff_draw_color(&s->draw, &s->black, (uint8_t[]){ 0, 0, 0, 255} );
|
|
|
|
ff_draw_color(&s->draw, &s->white, (uint8_t[]){ 255, 255, 255, 255} );
|
|
|
|
ff_draw_color(&s->draw, &s->green, (uint8_t[]){ 0, 255, 0, 255} );
|
|
|
|
ff_draw_color(&s->draw, &s->blue, (uint8_t[]){ 0, 0, 255, 255} );
|
|
|
|
ff_draw_color(&s->draw, &s->red, (uint8_t[]){ 255, 0, 0, 255} );
|
|
|
|
ff_draw_color(&s->draw, &s->cyan, (uint8_t[]){ 0, 255, 255, 255} );
|
|
|
|
ff_draw_color(&s->draw, &s->magenta, (uint8_t[]){ 255, 0, 255, 255} );
|
|
|
|
ff_draw_color(&s->draw, &s->gray, (uint8_t[]){ 128, 128, 128, 255} );
|
|
|
|
s->nb_comps = s->draw.desc->nb_components;
|
|
|
|
s->is_rgb = s->draw.desc->flags & AV_PIX_FMT_FLAG_RGB;
|
|
|
|
|
|
|
|
if (s->is_rgb) {
|
|
|
|
s->colors[0] = &s->red;
|
|
|
|
s->colors[1] = &s->green;
|
|
|
|
s->colors[2] = &s->blue;
|
|
|
|
s->colors[3] = &s->white;
|
|
|
|
ff_fill_rgba_map(s->rgba_map, inlink->format);
|
|
|
|
} else {
|
|
|
|
s->colors[0] = &s->white;
|
|
|
|
s->colors[1] = &s->cyan;
|
|
|
|
s->colors[2] = &s->magenta;
|
|
|
|
s->colors[3] = &s->white;
|
|
|
|
s->rgba_map[0] = 0;
|
|
|
|
s->rgba_map[1] = 1;
|
|
|
|
s->rgba_map[2] = 2;
|
|
|
|
s->rgba_map[3] = 3;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (s->draw.desc->comp[0].depth <= 8) {
|
|
|
|
s->pick_color = pick_color8;
|
|
|
|
s->draw_trace = draw_trace8;
|
|
|
|
} else {
|
|
|
|
s->pick_color = pick_color16;
|
|
|
|
s->draw_trace = draw_trace16;
|
|
|
|
}
|
|
|
|
|
|
|
|
s->max = (1 << s->draw.desc->comp[0].depth);
|
|
|
|
cx = s->xpos * (inlink->w - 1);
|
|
|
|
cy = s->ypos * (inlink->h - 1);
|
|
|
|
s->height = s->theight * inlink->h;
|
|
|
|
s->width = s->twidth * inlink->w;
|
|
|
|
size = hypot(inlink->w, inlink->h);
|
|
|
|
|
|
|
|
s->values = av_calloc(size, sizeof(*s->values));
|
|
|
|
if (!s->values)
|
|
|
|
return AVERROR(ENOMEM);
|
|
|
|
|
|
|
|
size *= s->size;
|
|
|
|
tilt = (s->tilt - 0.5) * M_PI;
|
|
|
|
s->x1 = cx - size / 2.0 * cos(tilt);
|
|
|
|
s->x2 = cx + size / 2.0 * cos(tilt);
|
|
|
|
s->y1 = cy - size / 2.0 * sin(tilt);
|
|
|
|
s->y2 = cy + size / 2.0 * sin(tilt);
|
|
|
|
s->ox = (inlink->w - s->width) * s->tx;
|
|
|
|
s->oy = (inlink->h - s->height) * s->ty;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void draw_scope(OscilloscopeContext *s, int x0, int y0, int x1, int y1,
|
|
|
|
AVFrame *out, PixelValues *p, int state)
|
|
|
|
{
|
|
|
|
int dx = FFABS(x1 - x0), sx = x0 < x1 ? 1 : -1;
|
|
|
|
int dy = FFABS(y1 - y0), sy = y0 < y1 ? 1 : -1;
|
|
|
|
int err = (dx > dy ? dx : -dy) / 2, e2;
|
|
|
|
|
|
|
|
for (;;) {
|
|
|
|
if (x0 >= 0 && y0 >= 0 && x0 < out->width && y0 < out->height) {
|
|
|
|
FFDrawColor color = { { 0 } };
|
|
|
|
int value[4] = { 0 };
|
|
|
|
|
|
|
|
s->pick_color(&s->draw, &color, out, x0, y0, value);
|
|
|
|
s->values[s->nb_values].p[0] = value[0];
|
|
|
|
s->values[s->nb_values].p[1] = value[1];
|
|
|
|
s->values[s->nb_values].p[2] = value[2];
|
|
|
|
s->values[s->nb_values].p[3] = value[3];
|
|
|
|
s->nb_values++;
|
|
|
|
|
|
|
|
if (s->scope) {
|
|
|
|
if (s->draw.desc->comp[0].depth == 8) {
|
|
|
|
if (s->draw.nb_planes == 1) {
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < s->draw.pixelstep[0]; i++)
|
|
|
|
out->data[0][out->linesize[0] * y0 + x0 * s->draw.pixelstep[0] + i] = 255 * ((s->nb_values + state) & 1);
|
|
|
|
} else {
|
|
|
|
out->data[0][out->linesize[0] * y0 + x0] = 255 * ((s->nb_values + state) & 1);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if (s->draw.nb_planes == 1) {
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < s->draw.pixelstep[0]; i++)
|
|
|
|
AV_WN16(out->data[0] + out->linesize[0] * y0 + 2 * x0 * (s->draw.pixelstep[0] + i), (s->max - 1) * ((s->nb_values + state) & 1));
|
|
|
|
} else {
|
|
|
|
AV_WN16(out->data[0] + out->linesize[0] * y0 + 2 * x0, (s->max - 1) * ((s->nb_values + state) & 1));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (x0 == x1 && y0 == y1)
|
|
|
|
break;
|
|
|
|
|
|
|
|
e2 = err;
|
|
|
|
|
|
|
|
if (e2 >-dx) {
|
|
|
|
err -= dy;
|
|
|
|
x0 += sx;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (e2 < dy) {
|
|
|
|
err += dx;
|
|
|
|
y0 += sy;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int oscilloscope_filter_frame(AVFilterLink *inlink, AVFrame *frame)
|
|
|
|
{
|
|
|
|
AVFilterContext *ctx = inlink->dst;
|
|
|
|
OscilloscopeContext *s = ctx->priv;
|
|
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
|
|
float average[4] = { 0 };
|
|
|
|
int max[4] = { 0 };
|
|
|
|
int min[4] = { INT_MAX, INT_MAX, INT_MAX, INT_MAX };
|
|
|
|
int i, c;
|
|
|
|
|
|
|
|
s->nb_values = 0;
|
|
|
|
draw_scope(s, s->x1, s->y1, s->x2, s->y2, frame, s->values, inlink->frame_count_in & 1);
|
|
|
|
ff_blend_rectangle(&s->draw, &s->dark, frame->data, frame->linesize,
|
|
|
|
frame->width, frame->height,
|
|
|
|
s->ox, s->oy, s->width, s->height + 20 * s->statistics);
|
|
|
|
|
|
|
|
if (s->grid) {
|
|
|
|
ff_fill_rectangle(&s->draw, &s->gray, frame->data, frame->linesize,
|
|
|
|
s->ox, s->oy, s->width - 1, 1);
|
|
|
|
|
|
|
|
for (i = 1; i < 5; i++) {
|
|
|
|
ff_fill_rectangle(&s->draw, &s->gray, frame->data, frame->linesize,
|
|
|
|
s->ox, s->oy + i * (s->height - 1) / 4, s->width, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
for (i = 0; i < 10; i++) {
|
|
|
|
ff_fill_rectangle(&s->draw, &s->gray, frame->data, frame->linesize,
|
|
|
|
s->ox + i * (s->width - 1) / 10, s->oy, 1, s->height);
|
|
|
|
}
|
|
|
|
|
|
|
|
ff_fill_rectangle(&s->draw, &s->gray, frame->data, frame->linesize,
|
|
|
|
s->ox + s->width - 1, s->oy, 1, s->height);
|
|
|
|
}
|
|
|
|
|
|
|
|
s->draw_trace(s, frame);
|
|
|
|
|
|
|
|
for (i = 0; i < s->nb_values; i++) {
|
|
|
|
for (c = 0; c < s->nb_comps; c++) {
|
|
|
|
if ((1 << c) & s->components) {
|
|
|
|
max[c] = FFMAX(max[c], s->values[i].p[c]);
|
|
|
|
min[c] = FFMIN(min[c], s->values[i].p[c]);
|
|
|
|
average[c] += s->values[i].p[c];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for (c = 0; c < s->nb_comps; c++) {
|
|
|
|
average[c] /= s->nb_values;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (s->statistics && s->height > 10 && s->width > 280 * av_popcount(s->components)) {
|
|
|
|
for (c = 0, i = 0; c < s->nb_comps; c++) {
|
|
|
|
if ((1 << c) & s->components) {
|
|
|
|
const char rgba[4] = { 'R', 'G', 'B', 'A' };
|
|
|
|
const char yuva[4] = { 'Y', 'U', 'V', 'A' };
|
|
|
|
char text[128];
|
|
|
|
|
|
|
|
snprintf(text, sizeof(text), "%c avg:%.1f min:%d max:%d\n", s->is_rgb ? rgba[c] : yuva[c], average[s->rgba_map[c]], min[s->rgba_map[c]], max[s->rgba_map[c]]);
|
|
|
|
draw_text(&s->draw, frame, &s->white, s->ox + 2 + 280 * i++, s->oy + s->height + 4, text, 0);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return ff_filter_frame(outlink, frame);
|
|
|
|
}
|
|
|
|
|
|
|
|
static const AVFilterPad oscilloscope_inputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
|
|
.filter_frame = oscilloscope_filter_frame,
|
|
|
|
.config_props = oscilloscope_config_input,
|
|
|
|
.needs_writable = 1,
|
|
|
|
},
|
|
|
|
{ NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
static const AVFilterPad oscilloscope_outputs[] = {
|
|
|
|
{
|
|
|
|
.name = "default",
|
|
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
|
|
},
|
|
|
|
{ NULL }
|
|
|
|
};
|
|
|
|
|
|
|
|
AVFilter ff_vf_oscilloscope = {
|
|
|
|
.name = "oscilloscope",
|
|
|
|
.description = NULL_IF_CONFIG_SMALL("2D Video Oscilloscope."),
|
|
|
|
.priv_size = sizeof(OscilloscopeContext),
|
|
|
|
.priv_class = &oscilloscope_class,
|
|
|
|
.query_formats = query_formats,
|
|
|
|
.uninit = oscilloscope_uninit,
|
|
|
|
.inputs = oscilloscope_inputs,
|
|
|
|
.outputs = oscilloscope_outputs,
|
|
|
|
};
|