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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 dformat; |
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int axis; |
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int components; |
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float opacity; |
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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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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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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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#define FLAGSR AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_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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{ "opacity", "set background opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS }, |
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{ "format", "set display number format", OFFSET(dformat), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "format" }, |
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{ "hex", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "format" }, |
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{ "dec", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "format" }, |
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{ "components", "set components to display", OFFSET(components), AV_OPT_TYPE_INT, {.i64=15}, 1, 15, FLAGS }, |
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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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static void draw_text(FFDrawContext *draw, AVFrame *frame, FFDrawColor *color, |
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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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ff_blend_mask(draw, color, frame->data, frame->linesize, |
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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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static void pick_color8(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] = 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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} |
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} else { |
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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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} |
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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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} |
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} |
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} |
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static void reverse_color8(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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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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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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} |
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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, PP; |
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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 PP = td->PP; |
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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 D = ((s->chars - s->dformat) >> 2) + s->dformat * 2; |
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const int W = (outlink->w - xoff) / (C * 10); |
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const int H = (outlink->h - yoff) / (PP * 12); |
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const char *format[4] = {"%02X\n", "%04X\n", "%03d\n", "%05d\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 }, pp = 0; |
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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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ff_fill_rectangle(&s->draw, &color, out->data, out->linesize, |
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xoff + x * C * 10, yoff + y * PP * 12, C * 10, PP * 12); |
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for (p = 0; p < P; p++) { |
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char text[256]; |
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if (!(s->components & (1 << p))) |
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continue; |
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snprintf(text, sizeof(text), format[D], value[p]); |
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draw_text(&s->draw, out, &reverse, xoff + x * C * 10 + 2, yoff + y * PP * 12 + pp * 10 + 2, text, 0); |
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pp++; |
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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 PP = td->PP; |
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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 D = ((s->chars - s->dformat) >> 2) + s->dformat * 2; |
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const int W = (outlink->w - xoff) / (C * 10); |
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const int H = (outlink->h - yoff) / (PP * 12); |
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const char *format[4] = {"%02X\n", "%04X\n", "%03d\n", "%05d\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 }, pp = 0; |
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s->pick_color(&s->draw, &color, in, x + s->x, y + s->y, value); |
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for (p = 0; p < P; p++) { |
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char text[256]; |
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if (!(s->components & (1 << p))) |
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continue; |
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snprintf(text, sizeof(text), format[D], value[p]); |
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draw_text(&s->draw, out, &color, xoff + x * C * 10 + 2, yoff + y * PP * 12 + pp * 10 + 2, text, 0); |
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pp++; |
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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 PP = td->PP; |
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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 D = ((s->chars - s->dformat) >> 2) + s->dformat * 2; |
281 |
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const int W = (outlink->w - xoff) / (C * 10); |
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const int H = (outlink->h - yoff) / (PP * 12); |
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const char *format[4] = {"%02X\n", "%04X\n", "%03d\n", "%05d\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; |
287 |
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288 |
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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 } }; |
291 |
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int value[4] = { 0 }, pp = 0; |
292 |
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293 |
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s->pick_color(&s->draw, &color, in, x + s->x, y + s->y, value); |
294 |
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for (p = 0; p < P; p++) { |
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char text[256]; |
296 |
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297 |
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if (!(s->components & (1 << p))) |
298 |
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continue; |
299 |
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snprintf(text, sizeof(text), format[D], value[p]); |
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draw_text(&s->draw, out, &s->white, xoff + x * C * 10 + 2, yoff + y * PP * 12 + pp * 10 + 2, text, 0); |
301 |
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pp++; |
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} |
303 |
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} |
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} |
305 |
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return 0; |
307 |
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} |
308 |
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309 |
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static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
310 |
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{ |
311 |
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AVFilterContext *ctx = inlink->dst; |
312 |
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DatascopeContext *s = ctx->priv; |
313 |
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AVFilterLink *outlink = ctx->outputs[0]; |
314 |
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const int P = FFMAX(s->nb_planes, s->nb_comps); |
315 |
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ThreadData td = { 0 }; |
316 |
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int ymaxlen = 0; |
317 |
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int xmaxlen = 0; |
318 |
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int PP = 0; |
319 |
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AVFrame *out; |
320 |
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321 |
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out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
322 |
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if (!out) { |
323 |
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av_frame_free(&in); |
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return AVERROR(ENOMEM); |
325 |
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} |
326 |
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out->pts = in->pts; |
327 |
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328 |
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ff_fill_rectangle(&s->draw, &s->black, out->data, out->linesize, |
329 |
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0, 0, outlink->w, outlink->h); |
330 |
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331 |
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for (int p = 0; p < P; p++) { |
332 |
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if (s->components & (1 << p)) |
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PP++; |
334 |
|
|
} |
335 |
|
|
PP = FFMAX(PP, 1); |
336 |
|
|
|
337 |
|
|
if (s->axis) { |
338 |
|
|
const int C = s->chars; |
339 |
|
|
int Y = outlink->h / (PP * 12); |
340 |
|
|
int X = outlink->w / (C * 10); |
341 |
|
|
char text[256] = { 0 }; |
342 |
|
|
int x, y; |
343 |
|
|
|
344 |
|
|
snprintf(text, sizeof(text), "%d", s->y + Y); |
345 |
|
|
ymaxlen = strlen(text); |
346 |
|
|
ymaxlen *= 10; |
347 |
|
|
snprintf(text, sizeof(text), "%d", s->x + X); |
348 |
|
|
xmaxlen = strlen(text); |
349 |
|
|
xmaxlen *= 10; |
350 |
|
|
|
351 |
|
|
Y = (outlink->h - xmaxlen) / (PP * 12); |
352 |
|
|
X = (outlink->w - ymaxlen) / (C * 10); |
353 |
|
|
|
354 |
|
|
for (y = 0; y < Y; y++) { |
355 |
|
|
snprintf(text, sizeof(text), "%d", s->y + y); |
356 |
|
|
|
357 |
|
|
ff_fill_rectangle(&s->draw, &s->gray, out->data, out->linesize, |
358 |
|
|
0, xmaxlen + y * PP * 12 + (PP + 1) * PP - 2, ymaxlen, 10); |
359 |
|
|
|
360 |
|
|
draw_text(&s->draw, out, &s->yellow, 2, xmaxlen + y * PP * 12 + (PP + 1) * PP, text, 0); |
361 |
|
|
} |
362 |
|
|
|
363 |
|
|
for (x = 0; x < X; x++) { |
364 |
|
|
snprintf(text, sizeof(text), "%d", s->x + x); |
365 |
|
|
|
366 |
|
|
ff_fill_rectangle(&s->draw, &s->gray, out->data, out->linesize, |
367 |
|
|
ymaxlen + x * C * 10 + 2 * C - 2, 0, 10, xmaxlen); |
368 |
|
|
|
369 |
|
|
draw_text(&s->draw, out, &s->yellow, ymaxlen + x * C * 10 + 2 * C, 2, text, 1); |
370 |
|
|
} |
371 |
|
|
} |
372 |
|
|
|
373 |
|
|
td.in = in; td.out = out, td.yoff = xmaxlen, td.xoff = ymaxlen, td.PP = PP; |
374 |
|
|
ctx->internal->execute(ctx, s->filter, &td, NULL, FFMIN(ff_filter_get_nb_threads(ctx), FFMAX(outlink->w / 20, 1))); |
375 |
|
|
|
376 |
|
|
av_frame_free(&in); |
377 |
|
|
return ff_filter_frame(outlink, out); |
378 |
|
|
} |
379 |
|
|
|
380 |
|
|
static int config_input(AVFilterLink *inlink) |
381 |
|
|
{ |
382 |
|
|
DatascopeContext *s = inlink->dst->priv; |
383 |
|
|
uint8_t alpha = s->opacity * 255; |
384 |
|
|
|
385 |
|
|
s->nb_planes = av_pix_fmt_count_planes(inlink->format); |
386 |
|
|
ff_draw_init(&s->draw, inlink->format, 0); |
387 |
|
|
ff_draw_color(&s->draw, &s->white, (uint8_t[]){ 255, 255, 255, 255} ); |
388 |
|
|
ff_draw_color(&s->draw, &s->black, (uint8_t[]){ 0, 0, 0, alpha} ); |
389 |
|
|
ff_draw_color(&s->draw, &s->yellow, (uint8_t[]){ 255, 255, 0, 255} ); |
390 |
|
|
ff_draw_color(&s->draw, &s->gray, (uint8_t[]){ 77, 77, 77, 255} ); |
391 |
|
|
s->chars = (s->draw.desc->comp[0].depth + 7) / 8 * 2 + s->dformat; |
392 |
|
|
s->nb_comps = s->draw.desc->nb_components; |
393 |
|
|
|
394 |
|
|
switch (s->mode) { |
395 |
|
|
case 0: s->filter = filter_mono; break; |
396 |
|
|
case 1: s->filter = filter_color; break; |
397 |
|
|
case 2: s->filter = filter_color2; break; |
398 |
|
|
} |
399 |
|
|
|
400 |
|
|
if (s->draw.desc->comp[0].depth <= 8) { |
401 |
|
|
s->pick_color = pick_color8; |
402 |
|
|
s->reverse_color = reverse_color8; |
403 |
|
|
} else { |
404 |
|
|
s->pick_color = pick_color16; |
405 |
|
|
s->reverse_color = reverse_color16; |
406 |
|
|
} |
407 |
|
|
|
408 |
|
|
return 0; |
409 |
|
|
} |
410 |
|
|
|
411 |
|
|
static int config_output(AVFilterLink *outlink) |
412 |
|
|
{ |
413 |
|
|
DatascopeContext *s = outlink->src->priv; |
414 |
|
|
|
415 |
|
|
outlink->h = s->oh; |
416 |
|
|
outlink->w = s->ow; |
417 |
|
|
outlink->sample_aspect_ratio = (AVRational){1,1}; |
418 |
|
|
|
419 |
|
|
return 0; |
420 |
|
|
} |
421 |
|
|
|
422 |
|
|
static const AVFilterPad inputs[] = { |
423 |
|
|
{ |
424 |
|
|
.name = "default", |
425 |
|
|
.type = AVMEDIA_TYPE_VIDEO, |
426 |
|
|
.filter_frame = filter_frame, |
427 |
|
|
.config_props = config_input, |
428 |
|
|
}, |
429 |
|
|
{ NULL } |
430 |
|
|
}; |
431 |
|
|
|
432 |
|
|
static const AVFilterPad outputs[] = { |
433 |
|
|
{ |
434 |
|
|
.name = "default", |
435 |
|
|
.type = AVMEDIA_TYPE_VIDEO, |
436 |
|
|
.config_props = config_output, |
437 |
|
|
}, |
438 |
|
|
{ NULL } |
439 |
|
|
}; |
440 |
|
|
|
441 |
|
|
AVFilter ff_vf_datascope = { |
442 |
|
|
.name = "datascope", |
443 |
|
|
.description = NULL_IF_CONFIG_SMALL("Video data analysis."), |
444 |
|
|
.priv_size = sizeof(DatascopeContext), |
445 |
|
|
.priv_class = &datascope_class, |
446 |
|
|
.query_formats = query_formats, |
447 |
|
|
.inputs = inputs, |
448 |
|
|
.outputs = outputs, |
449 |
|
|
.flags = AVFILTER_FLAG_SLICE_THREADS, |
450 |
|
|
}; |
451 |
|
|
|
452 |
|
|
typedef struct PixscopeContext { |
453 |
|
|
const AVClass *class; |
454 |
|
|
|
455 |
|
|
float xpos, ypos; |
456 |
|
|
float wx, wy; |
457 |
|
|
int w, h; |
458 |
|
|
float o; |
459 |
|
|
|
460 |
|
|
int x, y; |
461 |
|
|
int ww, wh; |
462 |
|
|
|
463 |
|
|
int nb_planes; |
464 |
|
|
int nb_comps; |
465 |
|
|
int is_rgb; |
466 |
|
|
uint8_t rgba_map[4]; |
467 |
|
|
FFDrawContext draw; |
468 |
|
|
FFDrawColor dark; |
469 |
|
|
FFDrawColor black; |
470 |
|
|
FFDrawColor white; |
471 |
|
|
FFDrawColor green; |
472 |
|
|
FFDrawColor blue; |
473 |
|
|
FFDrawColor red; |
474 |
|
|
FFDrawColor *colors[4]; |
475 |
|
|
|
476 |
|
|
uint16_t values[4][80][80]; |
477 |
|
|
|
478 |
|
|
void (*pick_color)(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value); |
479 |
|
|
} PixscopeContext; |
480 |
|
|
|
481 |
|
|
#define POFFSET(x) offsetof(PixscopeContext, x) |
482 |
|
|
|
483 |
|
|
static const AVOption pixscope_options[] = { |
484 |
|
|
{ "x", "set scope x offset", POFFSET(xpos), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS }, |
485 |
|
|
{ "y", "set scope y offset", POFFSET(ypos), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS }, |
486 |
|
|
{ "w", "set scope width", POFFSET(w), AV_OPT_TYPE_INT, {.i64=7}, 1, 80, FLAGS }, |
487 |
|
|
{ "h", "set scope height", POFFSET(h), AV_OPT_TYPE_INT, {.i64=7}, 1, 80, FLAGS }, |
488 |
|
|
{ "o", "set window opacity", POFFSET(o), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS }, |
489 |
|
|
{ "wx", "set window x offset", POFFSET(wx), AV_OPT_TYPE_FLOAT, {.dbl=-1}, -1, 1, FLAGS }, |
490 |
|
|
{ "wy", "set window y offset", POFFSET(wy), AV_OPT_TYPE_FLOAT, {.dbl=-1}, -1, 1, FLAGS }, |
491 |
|
|
{ NULL } |
492 |
|
|
}; |
493 |
|
|
|
494 |
|
|
AVFILTER_DEFINE_CLASS(pixscope); |
495 |
|
|
|
496 |
|
|
static int pixscope_config_input(AVFilterLink *inlink) |
497 |
|
|
{ |
498 |
|
|
PixscopeContext *s = inlink->dst->priv; |
499 |
|
|
|
500 |
|
|
s->nb_planes = av_pix_fmt_count_planes(inlink->format); |
501 |
|
|
ff_draw_init(&s->draw, inlink->format, 0); |
502 |
|
|
ff_draw_color(&s->draw, &s->dark, (uint8_t[]){ 0, 0, 0, s->o * 255} ); |
503 |
|
|
ff_draw_color(&s->draw, &s->black, (uint8_t[]){ 0, 0, 0, 255} ); |
504 |
|
|
ff_draw_color(&s->draw, &s->white, (uint8_t[]){ 255, 255, 255, 255} ); |
505 |
|
|
ff_draw_color(&s->draw, &s->green, (uint8_t[]){ 0, 255, 0, 255} ); |
506 |
|
|
ff_draw_color(&s->draw, &s->blue, (uint8_t[]){ 0, 0, 255, 255} ); |
507 |
|
|
ff_draw_color(&s->draw, &s->red, (uint8_t[]){ 255, 0, 0, 255} ); |
508 |
|
|
s->nb_comps = s->draw.desc->nb_components; |
509 |
|
|
s->is_rgb = s->draw.desc->flags & AV_PIX_FMT_FLAG_RGB; |
510 |
|
|
|
511 |
|
|
if (s->is_rgb) { |
512 |
|
|
s->colors[0] = &s->red; |
513 |
|
|
s->colors[1] = &s->green; |
514 |
|
|
s->colors[2] = &s->blue; |
515 |
|
|
s->colors[3] = &s->white; |
516 |
|
|
ff_fill_rgba_map(s->rgba_map, inlink->format); |
517 |
|
|
} else { |
518 |
|
|
s->colors[0] = &s->white; |
519 |
|
|
s->colors[1] = &s->blue; |
520 |
|
|
s->colors[2] = &s->red; |
521 |
|
|
s->colors[3] = &s->white; |
522 |
|
|
s->rgba_map[0] = 0; |
523 |
|
|
s->rgba_map[1] = 1; |
524 |
|
|
s->rgba_map[2] = 2; |
525 |
|
|
s->rgba_map[3] = 3; |
526 |
|
|
} |
527 |
|
|
|
528 |
|
|
if (s->draw.desc->comp[0].depth <= 8) { |
529 |
|
|
s->pick_color = pick_color8; |
530 |
|
|
} else { |
531 |
|
|
s->pick_color = pick_color16; |
532 |
|
|
} |
533 |
|
|
|
534 |
|
|
if (inlink->w < 640 || inlink->h < 480) { |
535 |
|
|
av_log(inlink->dst, AV_LOG_ERROR, "min supported resolution is 640x480\n"); |
536 |
|
|
return AVERROR(EINVAL); |
537 |
|
|
} |
538 |
|
|
|
539 |
|
|
s->ww = 300; |
540 |
|
|
s->wh = 300 * 1.6; |
541 |
|
|
s->x = s->xpos * (inlink->w - 1); |
542 |
|
|
s->y = s->ypos * (inlink->h - 1); |
543 |
|
|
if (s->x + s->w >= inlink->w || s->y + s->h >= inlink->h) { |
544 |
|
|
av_log(inlink->dst, AV_LOG_WARNING, "scope position is out of range, clipping\n"); |
545 |
|
|
s->x = FFMIN(s->x, inlink->w - s->w); |
546 |
|
|
s->y = FFMIN(s->y, inlink->h - s->h); |
547 |
|
|
} |
548 |
|
|
|
549 |
|
|
return 0; |
550 |
|
|
} |
551 |
|
|
|
552 |
|
|
#define SQR(x) ((x)*(x)) |
553 |
|
|
|
554 |
|
|
static int pixscope_filter_frame(AVFilterLink *inlink, AVFrame *in) |
555 |
|
|
{ |
556 |
|
|
AVFilterContext *ctx = inlink->dst; |
557 |
|
|
PixscopeContext *s = ctx->priv; |
558 |
|
|
AVFilterLink *outlink = ctx->outputs[0]; |
559 |
|
|
AVFrame *out = ff_get_video_buffer(outlink, in->width, in->height); |
560 |
|
|
int max[4] = { 0 }, min[4] = { INT_MAX, INT_MAX, INT_MAX, INT_MAX }; |
561 |
|
|
float average[4] = { 0 }; |
562 |
|
|
double std[4] = { 0 }, rms[4] = { 0 }; |
563 |
|
|
const char rgba[4] = { 'R', 'G', 'B', 'A' }; |
564 |
|
|
const char yuva[4] = { 'Y', 'U', 'V', 'A' }; |
565 |
|
|
int x, y, X, Y, i, w, h; |
566 |
|
|
char text[128]; |
567 |
|
|
|
568 |
|
|
if (!out) { |
569 |
|
|
av_frame_free(&in); |
570 |
|
|
return AVERROR(ENOMEM); |
571 |
|
|
} |
572 |
|
|
av_frame_copy_props(out, in); |
573 |
|
|
av_frame_copy(out, in); |
574 |
|
|
|
575 |
|
|
w = s->ww / s->w; |
576 |
|
|
h = s->ww / s->h; |
577 |
|
|
|
578 |
|
|
if (s->wx >= 0) { |
579 |
|
|
X = (in->width - s->ww) * s->wx; |
580 |
|
|
} else { |
581 |
|
|
X = (in->width - s->ww) * -s->wx; |
582 |
|
|
} |
583 |
|
|
if (s->wy >= 0) { |
584 |
|
|
Y = (in->height - s->wh) * s->wy; |
585 |
|
|
} else { |
586 |
|
|
Y = (in->height - s->wh) * -s->wy; |
587 |
|
|
} |
588 |
|
|
|
589 |
|
|
if (s->wx < 0) { |
590 |
|
|
if (s->x + s->w >= X && (s->x + s->w <= X + s->ww) && |
591 |
|
|
s->y + s->h >= Y && (s->y + s->h <= Y + s->wh)) { |
592 |
|
|
X = (in->width - s->ww) * (1 + s->wx); |
593 |
|
|
} |
594 |
|
|
} |
595 |
|
|
|
596 |
|
|
if (s->wy < 0) { |
597 |
|
|
if (s->x + s->w >= X && (s->x + s->w <= X + s->ww) && |
598 |
|
|
s->y + s->h >= Y && (s->y + s->h <= Y + s->wh)) { |
599 |
|
|
Y = (in->height - s->wh) * (1 + s->wy); |
600 |
|
|
} |
601 |
|
|
} |
602 |
|
|
|
603 |
|
|
ff_blend_rectangle(&s->draw, &s->dark, out->data, out->linesize, |
604 |
|
|
out->width, out->height, |
605 |
|
|
X, |
606 |
|
|
Y, |
607 |
|
|
s->ww, |
608 |
|
|
s->wh); |
609 |
|
|
|
610 |
|
|
for (y = 0; y < s->h; y++) { |
611 |
|
|
for (x = 0; x < s->w; x++) { |
612 |
|
|
FFDrawColor color = { { 0 } }; |
613 |
|
|
int value[4] = { 0 }; |
614 |
|
|
|
615 |
|
|
s->pick_color(&s->draw, &color, in, x + s->x, y + s->y, value); |
616 |
|
|
ff_fill_rectangle(&s->draw, &color, out->data, out->linesize, |
617 |
|
|
x * w + (s->ww - 4 - (s->w * w)) / 2 + X, y * h + 2 + Y, w, h); |
618 |
|
|
for (i = 0; i < 4; i++) { |
619 |
|
|
s->values[i][x][y] = value[i]; |
620 |
|
|
rms[i] += (double)value[i] * (double)value[i]; |
621 |
|
|
average[i] += value[i]; |
622 |
|
|
min[i] = FFMIN(min[i], value[i]); |
623 |
|
|
max[i] = FFMAX(max[i], value[i]); |
624 |
|
|
} |
625 |
|
|
} |
626 |
|
|
} |
627 |
|
|
|
628 |
|
|
ff_blend_rectangle(&s->draw, &s->black, out->data, out->linesize, |
629 |
|
|
out->width, out->height, |
630 |
|
|
s->x - 2, s->y - 2, s->w + 4, 1); |
631 |
|
|
|
632 |
|
|
ff_blend_rectangle(&s->draw, &s->white, out->data, out->linesize, |
633 |
|
|
out->width, out->height, |
634 |
|
|
s->x - 1, s->y - 1, s->w + 2, 1); |
635 |
|
|
|
636 |
|
|
ff_blend_rectangle(&s->draw, &s->white, out->data, out->linesize, |
637 |
|
|
out->width, out->height, |
638 |
|
|
s->x - 1, s->y - 1, 1, s->h + 2); |
639 |
|
|
|
640 |
|
|
ff_blend_rectangle(&s->draw, &s->black, out->data, out->linesize, |
641 |
|
|
out->width, out->height, |
642 |
|
|
s->x - 2, s->y - 2, 1, s->h + 4); |
643 |
|
|
|
644 |
|
|
ff_blend_rectangle(&s->draw, &s->white, out->data, out->linesize, |
645 |
|
|
out->width, out->height, |
646 |
|
|
s->x - 1, s->y + 1 + s->h, s->w + 3, 1); |
647 |
|
|
|
648 |
|
|
ff_blend_rectangle(&s->draw, &s->black, out->data, out->linesize, |
649 |
|
|
out->width, out->height, |
650 |
|
|
s->x - 2, s->y + 2 + s->h, s->w + 4, 1); |
651 |
|
|
|
652 |
|
|
ff_blend_rectangle(&s->draw, &s->white, out->data, out->linesize, |
653 |
|
|
out->width, out->height, |
654 |
|
|
s->x + 1 + s->w, s->y - 1, 1, s->h + 2); |
655 |
|
|
|
656 |
|
|
ff_blend_rectangle(&s->draw, &s->black, out->data, out->linesize, |
657 |
|
|
out->width, out->height, |
658 |
|
|
s->x + 2 + s->w, s->y - 2, 1, s->h + 5); |
659 |
|
|
|
660 |
|
|
for (i = 0; i < 4; i++) { |
661 |
|
|
rms[i] /= s->w * s->h; |
662 |
|
|
rms[i] = sqrt(rms[i]); |
663 |
|
|
average[i] /= s->w * s->h; |
664 |
|
|
} |
665 |
|
|
|
666 |
|
|
for (y = 0; y < s->h; y++) { |
667 |
|
|
for (x = 0; x < s->w; x++) { |
668 |
|
|
for (i = 0; i < 4; i++) |
669 |
|
|
std[i] += SQR(s->values[i][x][y] - average[i]); |
670 |
|
|
} |
671 |
|
|
} |
672 |
|
|
|
673 |
|
|
for (i = 0; i < 4; i++) { |
674 |
|
|
std[i] /= s->w * s->h; |
675 |
|
|
std[i] = sqrt(std[i]); |
676 |
|
|
} |
677 |
|
|
|
678 |
|
|
snprintf(text, sizeof(text), "CH AVG MIN MAX RMS\n"); |
679 |
|
|
draw_text(&s->draw, out, &s->white, X + 28, Y + s->ww + 5, text, 0); |
680 |
|
|
for (i = 0; i < s->nb_comps; i++) { |
681 |
|
|
int c = s->rgba_map[i]; |
682 |
|
|
|
683 |
|
|
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]); |
684 |
|
|
draw_text(&s->draw, out, s->colors[i], X + 28, Y + s->ww + 15 * (i + 1), text, 0); |
685 |
|
|
} |
686 |
|
|
snprintf(text, sizeof(text), "CH STD\n"); |
687 |
|
|
draw_text(&s->draw, out, &s->white, X + 28, Y + s->ww + 15 * (0 + 5), text, 0); |
688 |
|
|
for (i = 0; i < s->nb_comps; i++) { |
689 |
|
|
int c = s->rgba_map[i]; |
690 |
|
|
|
691 |
|
|
snprintf(text, sizeof(text), "%c %07.2f\n", s->is_rgb ? rgba[i] : yuva[i], std[c]); |
692 |
|
|
draw_text(&s->draw, out, s->colors[i], X + 28, Y + s->ww + 15 * (i + 6), text, 0); |
693 |
|
|
} |
694 |
|
|
|
695 |
|
|
av_frame_free(&in); |
696 |
|
|
return ff_filter_frame(outlink, out); |
697 |
|
|
} |
698 |
|
|
|
699 |
|
|
static const AVFilterPad pixscope_inputs[] = { |
700 |
|
|
{ |
701 |
|
|
.name = "default", |
702 |
|
|
.type = AVMEDIA_TYPE_VIDEO, |
703 |
|
|
.filter_frame = pixscope_filter_frame, |
704 |
|
|
.config_props = pixscope_config_input, |
705 |
|
|
}, |
706 |
|
|
{ NULL } |
707 |
|
|
}; |
708 |
|
|
|
709 |
|
|
static const AVFilterPad pixscope_outputs[] = { |
710 |
|
|
{ |
711 |
|
|
.name = "default", |
712 |
|
|
.type = AVMEDIA_TYPE_VIDEO, |
713 |
|
|
}, |
714 |
|
|
{ NULL } |
715 |
|
|
}; |
716 |
|
|
|
717 |
|
|
AVFilter ff_vf_pixscope = { |
718 |
|
|
.name = "pixscope", |
719 |
|
|
.description = NULL_IF_CONFIG_SMALL("Pixel data analysis."), |
720 |
|
|
.priv_size = sizeof(PixscopeContext), |
721 |
|
|
.priv_class = &pixscope_class, |
722 |
|
|
.query_formats = query_formats, |
723 |
|
|
.inputs = pixscope_inputs, |
724 |
|
|
.outputs = pixscope_outputs, |
725 |
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, |
726 |
|
|
}; |
727 |
|
|
|
728 |
|
|
typedef struct PixelValues { |
729 |
|
|
uint16_t p[4]; |
730 |
|
|
} PixelValues; |
731 |
|
|
|
732 |
|
|
typedef struct OscilloscopeContext { |
733 |
|
|
const AVClass *class; |
734 |
|
|
|
735 |
|
|
float xpos, ypos; |
736 |
|
|
float tx, ty; |
737 |
|
|
float size; |
738 |
|
|
float tilt; |
739 |
|
|
float theight, twidth; |
740 |
|
|
float o; |
741 |
|
|
int components; |
742 |
|
|
int grid; |
743 |
|
|
int statistics; |
744 |
|
|
int scope; |
745 |
|
|
|
746 |
|
|
int x1, y1, x2, y2; |
747 |
|
|
int ox, oy; |
748 |
|
|
int height, width; |
749 |
|
|
|
750 |
|
|
int max; |
751 |
|
|
int nb_planes; |
752 |
|
|
int nb_comps; |
753 |
|
|
int is_rgb; |
754 |
|
|
uint8_t rgba_map[4]; |
755 |
|
|
FFDrawContext draw; |
756 |
|
|
FFDrawColor dark; |
757 |
|
|
FFDrawColor black; |
758 |
|
|
FFDrawColor white; |
759 |
|
|
FFDrawColor green; |
760 |
|
|
FFDrawColor blue; |
761 |
|
|
FFDrawColor red; |
762 |
|
|
FFDrawColor cyan; |
763 |
|
|
FFDrawColor magenta; |
764 |
|
|
FFDrawColor gray; |
765 |
|
|
FFDrawColor *colors[4]; |
766 |
|
|
|
767 |
|
|
int nb_values; |
768 |
|
|
PixelValues *values; |
769 |
|
|
|
770 |
|
|
void (*pick_color)(FFDrawContext *draw, FFDrawColor *color, AVFrame *in, int x, int y, int *value); |
771 |
|
|
void (*draw_trace)(struct OscilloscopeContext *s, AVFrame *frame); |
772 |
|
|
} OscilloscopeContext; |
773 |
|
|
|
774 |
|
|
#define OOFFSET(x) offsetof(OscilloscopeContext, x) |
775 |
|
|
|
776 |
|
|
static const AVOption oscilloscope_options[] = { |
777 |
|
|
{ "x", "set scope x position", OOFFSET(xpos), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGSR }, |
778 |
|
|
{ "y", "set scope y position", OOFFSET(ypos), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGSR }, |
779 |
|
|
{ "s", "set scope size", OOFFSET(size), AV_OPT_TYPE_FLOAT, {.dbl=0.8}, 0, 1, FLAGSR }, |
780 |
|
|
{ "t", "set scope tilt", OOFFSET(tilt), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGSR }, |
781 |
|
|
{ "o", "set trace opacity", OOFFSET(o), AV_OPT_TYPE_FLOAT, {.dbl=0.8}, 0, 1, FLAGSR }, |
782 |
|
|
{ "tx", "set trace x position", OOFFSET(tx), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGSR }, |
783 |
|
|
{ "ty", "set trace y position", OOFFSET(ty), AV_OPT_TYPE_FLOAT, {.dbl=0.9}, 0, 1, FLAGSR }, |
784 |
|
|
{ "tw", "set trace width", OOFFSET(twidth), AV_OPT_TYPE_FLOAT, {.dbl=0.8},.1, 1, FLAGSR }, |
785 |
|
|
{ "th", "set trace height", OOFFSET(theight), AV_OPT_TYPE_FLOAT, {.dbl=0.3},.1, 1, FLAGSR }, |
786 |
|
|
{ "c", "set components to trace", OOFFSET(components), AV_OPT_TYPE_INT, {.i64=7}, 0, 15, FLAGSR }, |
787 |
|
|
{ "g", "draw trace grid", OOFFSET(grid), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGSR }, |
788 |
|
|
{ "st", "draw statistics", OOFFSET(statistics), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGSR }, |
789 |
|
|
{ "sc", "draw scope", OOFFSET(scope), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGSR }, |
790 |
|
|
{ NULL } |
791 |
|
|
}; |
792 |
|
|
|
793 |
|
|
AVFILTER_DEFINE_CLASS(oscilloscope); |
794 |
|
|
|
795 |
|
|
static void oscilloscope_uninit(AVFilterContext *ctx) |
796 |
|
|
{ |
797 |
|
|
OscilloscopeContext *s = ctx->priv; |
798 |
|
|
|
799 |
|
|
av_freep(&s->values); |
800 |
|
|
} |
801 |
|
|
|
802 |
|
|
static void draw_line(FFDrawContext *draw, int x0, int y0, int x1, int y1, |
803 |
|
|
AVFrame *out, FFDrawColor *color) |
804 |
|
|
{ |
805 |
|
|
int dx = FFABS(x1 - x0), sx = x0 < x1 ? 1 : -1; |
806 |
|
|
int dy = FFABS(y1 - y0), sy = y0 < y1 ? 1 : -1; |
807 |
|
|
int err = (dx > dy ? dx : -dy) / 2, e2; |
808 |
|
|
int p, i; |
809 |
|
|
|
810 |
|
|
for (;;) { |
811 |
|
|
if (x0 >= 0 && y0 >= 0 && x0 < out->width && y0 < out->height) { |
812 |
|
|
for (p = 0; p < draw->nb_planes; p++) { |
813 |
|
|
if (draw->desc->comp[p].depth == 8) { |
814 |
|
|
if (draw->nb_planes == 1) { |
815 |
|
|
for (i = 0; i < draw->desc->nb_components; i++) { |
816 |
|
|
out->data[0][y0 * out->linesize[0] + x0 * draw->pixelstep[0] + i] = color->comp[0].u8[i]; |
817 |
|
|
} |
818 |
|
|
} else { |
819 |
|
|
out->data[p][out->linesize[p] * (y0 >> draw->vsub[p]) + (x0 >> draw->hsub[p])] = color->comp[p].u8[0]; |
820 |
|
|
} |
821 |
|
|
} else { |
822 |
|
|
if (draw->nb_planes == 1) { |
823 |
|
|
for (i = 0; i < draw->desc->nb_components; i++) { |
824 |
|
|
AV_WN16(out->data[0] + y0 * out->linesize[0] + (x0 * draw->pixelstep[0] + i), color->comp[0].u16[i]); |
825 |
|
|
} |
826 |
|
|
} else { |
827 |
|
|
AV_WN16(out->data[p] + out->linesize[p] * (y0 >> draw->vsub[p]) + (x0 >> draw->hsub[p]) * 2, color->comp[p].u16[0]); |
828 |
|
|
} |
829 |
|
|
} |
830 |
|
|
} |
831 |
|
|
} |
832 |
|
|
|
833 |
|
|
if (x0 == x1 && y0 == y1) |
834 |
|
|
break; |
835 |
|
|
|
836 |
|
|
e2 = err; |
837 |
|
|
|
838 |
|
|
if (e2 >-dx) { |
839 |
|
|
err -= dy; |
840 |
|
|
x0 += sx; |
841 |
|
|
} |
842 |
|
|
|
843 |
|
|
if (e2 < dy) { |
844 |
|
|
err += dx; |
845 |
|
|
y0 += sy; |
846 |
|
|
} |
847 |
|
|
} |
848 |
|
|
} |
849 |
|
|
|
850 |
|
|
static void draw_trace8(OscilloscopeContext *s, AVFrame *frame) |
851 |
|
|
{ |
852 |
|
|
int i, c; |
853 |
|
|
|
854 |
|
|
for (i = 1; i < s->nb_values; i++) { |
855 |
|
|
for (c = 0; c < s->nb_comps; c++) { |
856 |
|
|
if ((1 << c) & s->components) { |
857 |
|
|
int x = i * s->width / s->nb_values; |
858 |
|
|
int px = (i - 1) * s->width / s->nb_values; |
859 |
|
|
int py = s->height - s->values[i-1].p[s->rgba_map[c]] * s->height / 256; |
860 |
|
|
int y = s->height - s->values[i].p[s->rgba_map[c]] * s->height / 256; |
861 |
|
|
|
862 |
|
|
draw_line(&s->draw, s->ox + x, s->oy + y, s->ox + px, s->oy + py, frame, s->colors[c]); |
863 |
|
|
} |
864 |
|
|
} |
865 |
|
|
} |
866 |
|
|
} |
867 |
|
|
|
868 |
|
|
|
869 |
|
|
static void draw_trace16(OscilloscopeContext *s, AVFrame *frame) |
870 |
|
|
{ |
871 |
|
|
int i, c; |
872 |
|
|
|
873 |
|
|
for (i = 1; i < s->nb_values; i++) { |
874 |
|
|
for (c = 0; c < s->nb_comps; c++) { |
875 |
|
|
if ((1 << c) & s->components) { |
876 |
|
|
int x = i * s->width / s->nb_values; |
877 |
|
|
int px = (i - 1) * s->width / s->nb_values; |
878 |
|
|
int py = s->height - s->values[i-1].p[s->rgba_map[c]] * s->height / s->max; |
879 |
|
|
int y = s->height - s->values[i].p[s->rgba_map[c]] * s->height / s->max; |
880 |
|
|
|
881 |
|
|
draw_line(&s->draw, s->ox + x, s->oy + y, s->ox + px, s->oy + py, frame, s->colors[c]); |
882 |
|
|
} |
883 |
|
|
} |
884 |
|
|
} |
885 |
|
|
} |
886 |
|
|
|
887 |
|
|
static void update_oscilloscope(AVFilterContext *ctx) |
888 |
|
|
{ |
889 |
|
|
OscilloscopeContext *s = ctx->priv; |
890 |
|
|
AVFilterLink *inlink = ctx->inputs[0]; |
891 |
|
|
int cx, cy, size; |
892 |
|
|
double tilt; |
893 |
|
|
|
894 |
|
|
ff_draw_color(&s->draw, &s->dark, (uint8_t[]){ 0, 0, 0, s->o * 255} ); |
895 |
|
|
s->height = s->theight * inlink->h; |
896 |
|
|
s->width = s->twidth * inlink->w; |
897 |
|
|
size = hypot(inlink->w, inlink->h); |
898 |
|
|
size *= s->size; |
899 |
|
|
tilt = (s->tilt - 0.5) * M_PI; |
900 |
|
|
cx = s->xpos * (inlink->w - 1); |
901 |
|
|
cy = s->ypos * (inlink->h - 1); |
902 |
|
|
s->x1 = cx - size / 2.0 * cos(tilt); |
903 |
|
|
s->x2 = cx + size / 2.0 * cos(tilt); |
904 |
|
|
s->y1 = cy - size / 2.0 * sin(tilt); |
905 |
|
|
s->y2 = cy + size / 2.0 * sin(tilt); |
906 |
|
|
s->ox = (inlink->w - s->width) * s->tx; |
907 |
|
|
s->oy = (inlink->h - s->height) * s->ty; |
908 |
|
|
} |
909 |
|
|
|
910 |
|
|
static int oscilloscope_config_input(AVFilterLink *inlink) |
911 |
|
|
{ |
912 |
|
|
OscilloscopeContext *s = inlink->dst->priv; |
913 |
|
|
int size; |
914 |
|
|
|
915 |
|
|
s->nb_planes = av_pix_fmt_count_planes(inlink->format); |
916 |
|
|
ff_draw_init(&s->draw, inlink->format, 0); |
917 |
|
|
ff_draw_color(&s->draw, &s->black, (uint8_t[]){ 0, 0, 0, 255} ); |
918 |
|
|
ff_draw_color(&s->draw, &s->white, (uint8_t[]){ 255, 255, 255, 255} ); |
919 |
|
|
ff_draw_color(&s->draw, &s->green, (uint8_t[]){ 0, 255, 0, 255} ); |
920 |
|
|
ff_draw_color(&s->draw, &s->blue, (uint8_t[]){ 0, 0, 255, 255} ); |
921 |
|
|
ff_draw_color(&s->draw, &s->red, (uint8_t[]){ 255, 0, 0, 255} ); |
922 |
|
|
ff_draw_color(&s->draw, &s->cyan, (uint8_t[]){ 0, 255, 255, 255} ); |
923 |
|
|
ff_draw_color(&s->draw, &s->magenta, (uint8_t[]){ 255, 0, 255, 255} ); |
924 |
|
|
ff_draw_color(&s->draw, &s->gray, (uint8_t[]){ 128, 128, 128, 255} ); |
925 |
|
|
s->nb_comps = s->draw.desc->nb_components; |
926 |
|
|
s->is_rgb = s->draw.desc->flags & AV_PIX_FMT_FLAG_RGB; |
927 |
|
|
|
928 |
|
|
if (s->is_rgb) { |
929 |
|
|
s->colors[0] = &s->red; |
930 |
|
|
s->colors[1] = &s->green; |
931 |
|
|
s->colors[2] = &s->blue; |
932 |
|
|
s->colors[3] = &s->white; |
933 |
|
|
ff_fill_rgba_map(s->rgba_map, inlink->format); |
934 |
|
|
} else { |
935 |
|
|
s->colors[0] = &s->white; |
936 |
|
|
s->colors[1] = &s->cyan; |
937 |
|
|
s->colors[2] = &s->magenta; |
938 |
|
|
s->colors[3] = &s->white; |
939 |
|
|
s->rgba_map[0] = 0; |
940 |
|
|
s->rgba_map[1] = 1; |
941 |
|
|
s->rgba_map[2] = 2; |
942 |
|
|
s->rgba_map[3] = 3; |
943 |
|
|
} |
944 |
|
|
|
945 |
|
|
if (s->draw.desc->comp[0].depth <= 8) { |
946 |
|
|
s->pick_color = pick_color8; |
947 |
|
|
s->draw_trace = draw_trace8; |
948 |
|
|
} else { |
949 |
|
|
s->pick_color = pick_color16; |
950 |
|
|
s->draw_trace = draw_trace16; |
951 |
|
|
} |
952 |
|
|
|
953 |
|
|
s->max = (1 << s->draw.desc->comp[0].depth); |
954 |
|
|
size = hypot(inlink->w, inlink->h); |
955 |
|
|
|
956 |
|
|
s->values = av_calloc(size, sizeof(*s->values)); |
957 |
|
|
if (!s->values) |
958 |
|
|
return AVERROR(ENOMEM); |
959 |
|
|
|
960 |
|
|
update_oscilloscope(inlink->dst); |
961 |
|
|
|
962 |
|
|
return 0; |
963 |
|
|
} |
964 |
|
|
|
965 |
|
|
static void draw_scope(OscilloscopeContext *s, int x0, int y0, int x1, int y1, |
966 |
|
|
AVFrame *out, PixelValues *p, int state) |
967 |
|
|
{ |
968 |
|
|
int dx = FFABS(x1 - x0), sx = x0 < x1 ? 1 : -1; |
969 |
|
|
int dy = FFABS(y1 - y0), sy = y0 < y1 ? 1 : -1; |
970 |
|
|
int err = (dx > dy ? dx : -dy) / 2, e2; |
971 |
|
|
|
972 |
|
|
for (;;) { |
973 |
|
|
if (x0 >= 0 && y0 >= 0 && x0 < out->width && y0 < out->height) { |
974 |
|
|
FFDrawColor color = { { 0 } }; |
975 |
|
|
int value[4] = { 0 }; |
976 |
|
|
|
977 |
|
|
s->pick_color(&s->draw, &color, out, x0, y0, value); |
978 |
|
|
s->values[s->nb_values].p[0] = value[0]; |
979 |
|
|
s->values[s->nb_values].p[1] = value[1]; |
980 |
|
|
s->values[s->nb_values].p[2] = value[2]; |
981 |
|
|
s->values[s->nb_values].p[3] = value[3]; |
982 |
|
|
s->nb_values++; |
983 |
|
|
|
984 |
|
|
if (s->scope) { |
985 |
|
|
if (s->draw.desc->comp[0].depth == 8) { |
986 |
|
|
if (s->draw.nb_planes == 1) { |
987 |
|
|
int i; |
988 |
|
|
|
989 |
|
|
for (i = 0; i < s->nb_comps; i++) |
990 |
|
|
out->data[0][out->linesize[0] * y0 + x0 * s->draw.pixelstep[0] + i] = 255 * ((s->nb_values + state) & 1); |
991 |
|
|
} else { |
992 |
|
|
out->data[0][out->linesize[0] * y0 + x0] = 255 * ((s->nb_values + state) & 1); |
993 |
|
|
} |
994 |
|
|
} else { |
995 |
|
|
if (s->draw.nb_planes == 1) { |
996 |
|
|
int i; |
997 |
|
|
|
998 |
|
|
for (i = 0; i < s->nb_comps; i++) |
999 |
|
|
AV_WN16(out->data[0] + out->linesize[0] * y0 + x0 * s->draw.pixelstep[0] + i, (s->max - 1) * ((s->nb_values + state) & 1)); |
1000 |
|
|
} else { |
1001 |
|
|
AV_WN16(out->data[0] + out->linesize[0] * y0 + 2 * x0, (s->max - 1) * ((s->nb_values + state) & 1)); |
1002 |
|
|
} |
1003 |
|
|
} |
1004 |
|
|
} |
1005 |
|
|
} |
1006 |
|
|
|
1007 |
|
|
if (x0 == x1 && y0 == y1) |
1008 |
|
|
break; |
1009 |
|
|
|
1010 |
|
|
e2 = err; |
1011 |
|
|
|
1012 |
|
|
if (e2 >-dx) { |
1013 |
|
|
err -= dy; |
1014 |
|
|
x0 += sx; |
1015 |
|
|
} |
1016 |
|
|
|
1017 |
|
|
if (e2 < dy) { |
1018 |
|
|
err += dx; |
1019 |
|
|
y0 += sy; |
1020 |
|
|
} |
1021 |
|
|
} |
1022 |
|
|
} |
1023 |
|
|
|
1024 |
|
|
static int oscilloscope_filter_frame(AVFilterLink *inlink, AVFrame *frame) |
1025 |
|
|
{ |
1026 |
|
|
AVFilterContext *ctx = inlink->dst; |
1027 |
|
|
OscilloscopeContext *s = ctx->priv; |
1028 |
|
|
AVFilterLink *outlink = ctx->outputs[0]; |
1029 |
|
|
float average[4] = { 0 }; |
1030 |
|
|
int max[4] = { 0 }; |
1031 |
|
|
int min[4] = { INT_MAX, INT_MAX, INT_MAX, INT_MAX }; |
1032 |
|
|
int i, c; |
1033 |
|
|
|
1034 |
|
|
s->nb_values = 0; |
1035 |
|
|
draw_scope(s, s->x1, s->y1, s->x2, s->y2, frame, s->values, inlink->frame_count_in & 1); |
1036 |
|
|
ff_blend_rectangle(&s->draw, &s->dark, frame->data, frame->linesize, |
1037 |
|
|
frame->width, frame->height, |
1038 |
|
|
s->ox, s->oy, s->width, s->height + 20 * s->statistics); |
1039 |
|
|
|
1040 |
|
|
if (s->grid && outlink->h >= 10) { |
1041 |
|
|
ff_fill_rectangle(&s->draw, &s->gray, frame->data, frame->linesize, |
1042 |
|
|
s->ox, s->oy, s->width - 1, 1); |
1043 |
|
|
|
1044 |
|
|
for (i = 1; i < 5; i++) { |
1045 |
|
|
ff_fill_rectangle(&s->draw, &s->gray, frame->data, frame->linesize, |
1046 |
|
|
s->ox, s->oy + i * (s->height - 1) / 4, s->width, 1); |
1047 |
|
|
} |
1048 |
|
|
|
1049 |
|
|
for (i = 0; i < 10; i++) { |
1050 |
|
|
ff_fill_rectangle(&s->draw, &s->gray, frame->data, frame->linesize, |
1051 |
|
|
s->ox + i * (s->width - 1) / 10, s->oy, 1, s->height); |
1052 |
|
|
} |
1053 |
|
|
|
1054 |
|
|
ff_fill_rectangle(&s->draw, &s->gray, frame->data, frame->linesize, |
1055 |
|
|
s->ox + s->width - 1, s->oy, 1, s->height); |
1056 |
|
|
} |
1057 |
|
|
|
1058 |
|
|
s->draw_trace(s, frame); |
1059 |
|
|
|
1060 |
|
|
for (i = 0; i < s->nb_values; i++) { |
1061 |
|
|
for (c = 0; c < s->nb_comps; c++) { |
1062 |
|
|
if ((1 << c) & s->components) { |
1063 |
|
|
max[c] = FFMAX(max[c], s->values[i].p[s->rgba_map[c]]); |
1064 |
|
|
min[c] = FFMIN(min[c], s->values[i].p[s->rgba_map[c]]); |
1065 |
|
|
average[c] += s->values[i].p[s->rgba_map[c]]; |
1066 |
|
|
} |
1067 |
|
|
} |
1068 |
|
|
} |
1069 |
|
|
for (c = 0; c < s->nb_comps; c++) { |
1070 |
|
|
average[c] /= s->nb_values; |
1071 |
|
|
} |
1072 |
|
|
|
1073 |
|
|
if (s->statistics && s->height > 10 && s->width > 280 * av_popcount(s->components)) { |
1074 |
|
|
for (c = 0, i = 0; c < s->nb_comps; c++) { |
1075 |
|
|
if ((1 << c) & s->components) { |
1076 |
|
|
const char rgba[4] = { 'R', 'G', 'B', 'A' }; |
1077 |
|
|
const char yuva[4] = { 'Y', 'U', 'V', 'A' }; |
1078 |
|
|
char text[128]; |
1079 |
|
|
|
1080 |
|
|
snprintf(text, sizeof(text), "%c avg:%.1f min:%d max:%d\n", s->is_rgb ? rgba[c] : yuva[c], average[c], min[c], max[c]); |
1081 |
|
|
draw_text(&s->draw, frame, &s->white, s->ox + 2 + 280 * i++, s->oy + s->height + 4, text, 0); |
1082 |
|
|
} |
1083 |
|
|
} |
1084 |
|
|
} |
1085 |
|
|
|
1086 |
|
|
return ff_filter_frame(outlink, frame); |
1087 |
|
|
} |
1088 |
|
|
|
1089 |
|
|
static int oscilloscope_process_command(AVFilterContext *ctx, const char *cmd, const char *args, |
1090 |
|
|
char *res, int res_len, int flags) |
1091 |
|
|
{ |
1092 |
|
|
int ret; |
1093 |
|
|
|
1094 |
|
|
ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags); |
1095 |
|
|
if (ret < 0) |
1096 |
|
|
return ret; |
1097 |
|
|
|
1098 |
|
|
update_oscilloscope(ctx); |
1099 |
|
|
|
1100 |
|
|
return 0; |
1101 |
|
|
} |
1102 |
|
|
|
1103 |
|
|
static const AVFilterPad oscilloscope_inputs[] = { |
1104 |
|
|
{ |
1105 |
|
|
.name = "default", |
1106 |
|
|
.type = AVMEDIA_TYPE_VIDEO, |
1107 |
|
|
.filter_frame = oscilloscope_filter_frame, |
1108 |
|
|
.config_props = oscilloscope_config_input, |
1109 |
|
|
.needs_writable = 1, |
1110 |
|
|
}, |
1111 |
|
|
{ NULL } |
1112 |
|
|
}; |
1113 |
|
|
|
1114 |
|
|
static const AVFilterPad oscilloscope_outputs[] = { |
1115 |
|
|
{ |
1116 |
|
|
.name = "default", |
1117 |
|
|
.type = AVMEDIA_TYPE_VIDEO, |
1118 |
|
|
}, |
1119 |
|
|
{ NULL } |
1120 |
|
|
}; |
1121 |
|
|
|
1122 |
|
|
AVFilter ff_vf_oscilloscope = { |
1123 |
|
|
.name = "oscilloscope", |
1124 |
|
|
.description = NULL_IF_CONFIG_SMALL("2D Video Oscilloscope."), |
1125 |
|
|
.priv_size = sizeof(OscilloscopeContext), |
1126 |
|
|
.priv_class = &oscilloscope_class, |
1127 |
|
|
.query_formats = query_formats, |
1128 |
|
|
.uninit = oscilloscope_uninit, |
1129 |
|
|
.inputs = oscilloscope_inputs, |
1130 |
|
|
.outputs = oscilloscope_outputs, |
1131 |
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC, |
1132 |
|
|
.process_command = oscilloscope_process_command, |
1133 |
|
|
}; |