/*
* Copyright (c) 2015 Paul B Mahol
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/avassert.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/pixdesc.h"
#include "libavutil/xga_font_data.h"
#include "avfilter.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
enum VectorscopeMode {
GRAY,
COLOR,
COLOR2,
COLOR3,
COLOR4,
COLOR5,
MODE_NB
};
typedef struct VectorscopeContext {
const AVClass *class;
int mode;
int intensity;
float fintensity;
uint16_t bg_color[4];
int planewidth[4];
int planeheight[4];
int hsub, vsub;
int x, y, pd;
int is_yuv;
int size;
int depth;
int mult;
int envelope;
int graticule;
float opacity;
float bgopacity;
float lthreshold;
float hthreshold;
int tmin;
int tmax;
int flags;
int colorspace;
int cs;
uint8_t *peak_memory;
uint8_t **peak;
void (*vectorscope)(struct VectorscopeContext *s,
AVFrame *in, AVFrame *out, int pd);
void (*graticulef)(struct VectorscopeContext *s, AVFrame *out,
int X, int Y, int D, int P);
} VectorscopeContext;
#define OFFSET(x) offsetof(VectorscopeContext, x)
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
static const AVOption vectorscope_options[] = {
{ "mode", "set vectorscope mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, MODE_NB-1, FLAGS, "mode"},
{ "m", "set vectorscope mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, MODE_NB-1, FLAGS, "mode"},
{ "gray", 0, 0, AV_OPT_TYPE_CONST, {.i64=GRAY}, 0, 0, FLAGS, "mode" },
{ "color", 0, 0, AV_OPT_TYPE_CONST, {.i64=COLOR}, 0, 0, FLAGS, "mode" },
{ "color2", 0, 0, AV_OPT_TYPE_CONST, {.i64=COLOR2}, 0, 0, FLAGS, "mode" },
{ "color3", 0, 0, AV_OPT_TYPE_CONST, {.i64=COLOR3}, 0, 0, FLAGS, "mode" },
{ "color4", 0, 0, AV_OPT_TYPE_CONST, {.i64=COLOR4}, 0, 0, FLAGS, "mode" },
{ "color5", 0, 0, AV_OPT_TYPE_CONST, {.i64=COLOR5}, 0, 0, FLAGS, "mode" },
{ "x", "set color component on X axis", OFFSET(x), AV_OPT_TYPE_INT, {.i64=1}, 0, 2, FLAGS},
{ "y", "set color component on Y axis", OFFSET(y), AV_OPT_TYPE_INT, {.i64=2}, 0, 2, FLAGS},
{ "intensity", "set intensity", OFFSET(fintensity), AV_OPT_TYPE_FLOAT, {.dbl=0.004}, 0, 1, FLAGS},
{ "i", "set intensity", OFFSET(fintensity), AV_OPT_TYPE_FLOAT, {.dbl=0.004}, 0, 1, FLAGS},
{ "envelope", "set envelope", OFFSET(envelope), AV_OPT_TYPE_INT, {.i64=0}, 0, 3, FLAGS, "envelope"},
{ "e", "set envelope", OFFSET(envelope), AV_OPT_TYPE_INT, {.i64=0}, 0, 3, FLAGS, "envelope"},
{ "none", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "envelope" },
{ "instant", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "envelope" },
{ "peak", 0, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "envelope" },
{ "peak+instant", 0, 0, AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, FLAGS, "envelope" },
{ "graticule", "set graticule", OFFSET(graticule), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "graticule"},
{ "g", "set graticule", OFFSET(graticule), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "graticule"},
{ "none", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "graticule" },
{ "green", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "graticule" },
{ "color", 0, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "graticule" },
{ "opacity", "set graticule opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS},
{ "o", "set graticule opacity", OFFSET(opacity), AV_OPT_TYPE_FLOAT, {.dbl=0.75}, 0, 1, FLAGS},
{ "flags", "set graticule flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=4}, 0, 7, FLAGS, "flags"},
{ "f", "set graticule flags", OFFSET(flags), AV_OPT_TYPE_FLAGS, {.i64=4}, 0, 7, FLAGS, "flags"},
{ "white", "draw white point", 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "flags" },
{ "black", "draw black point", 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "flags" },
{ "name", "draw point name", 0, AV_OPT_TYPE_CONST, {.i64=4}, 0, 0, FLAGS, "flags" },
{ "bgopacity", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.3}, 0, 1, FLAGS},
{ "b", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.3}, 0, 1, FLAGS},
{ "lthreshold", "set low threshold", OFFSET(lthreshold), AV_OPT_TYPE_FLOAT, {.dbl=0}, 0, 1, FLAGS},
{ "l", "set low threshold", OFFSET(lthreshold), AV_OPT_TYPE_FLOAT, {.dbl=0}, 0, 1, FLAGS},
{ "hthreshold", "set high threshold", OFFSET(hthreshold), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 1, FLAGS},
{ "h", "set high threshold", OFFSET(hthreshold), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 1, FLAGS},
{ "colorspace", "set colorspace", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "colorspace"},
{ "c", "set colorspace", OFFSET(colorspace), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "colorspace"},
{ "auto", 0, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "colorspace" },
{ "601", 0, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "colorspace" },
{ "709", 0, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "colorspace" },
{ NULL }
};
AVFILTER_DEFINE_CLASS(vectorscope);
static const enum AVPixelFormat out_yuv8_pix_fmts[] = {
AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P,
AV_PIX_FMT_NONE
};
static const enum AVPixelFormat out_yuv9_pix_fmts[] = {
AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUV444P9,
AV_PIX_FMT_NONE
};
static const enum AVPixelFormat out_yuv10_pix_fmts[] = {
AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUV444P10,
AV_PIX_FMT_NONE
};
static const enum AVPixelFormat out_yuv12_pix_fmts[] = {
AV_PIX_FMT_YUV444P12,
AV_PIX_FMT_NONE
};
static const enum AVPixelFormat out_rgb8_pix_fmts[] = {
AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRP,
AV_PIX_FMT_NONE
};
static const enum AVPixelFormat out_rgb9_pix_fmts[] = {
AV_PIX_FMT_GBRP9,
AV_PIX_FMT_NONE
};
static const enum AVPixelFormat out_rgb10_pix_fmts[] = {
AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
AV_PIX_FMT_NONE
};
static const enum AVPixelFormat out_rgb12_pix_fmts[] = {
AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12,
AV_PIX_FMT_NONE
};
static const enum AVPixelFormat in1_pix_fmts[] = {
AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P,
AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10,
AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10,
AV_PIX_FMT_YUV444P12,
AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRP,
AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12,
AV_PIX_FMT_NONE
};
static const enum AVPixelFormat in2_pix_fmts[] = {
AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVJ420P,
AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVJ422P,
AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P,
AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUVJ411P,
AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV410P,
AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRP,
AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12,
AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12,
AV_PIX_FMT_NONE
};
static int query_formats(AVFilterContext *ctx)
{
VectorscopeContext *s = ctx->priv;
const enum AVPixelFormat *out_pix_fmts;
const AVPixFmtDescriptor *desc;
AVFilterFormats *avff;
int depth, rgb, i, ret;
if (!ctx->inputs[0]->in_formats ||
!ctx->inputs[0]->in_formats->nb_formats) {
return AVERROR(EAGAIN);
}
if (!ctx->inputs[0]->out_formats) {
const enum AVPixelFormat *in_pix_fmts;
if ((s->x == 1 && s->y == 2) || (s->x == 2 && s->y == 1))
in_pix_fmts = in2_pix_fmts;
else
in_pix_fmts = in1_pix_fmts;
if ((ret = ff_formats_ref(ff_make_format_list(in_pix_fmts), &ctx->inputs[0]->out_formats)) < 0)
return ret;
}
avff = ctx->inputs[0]->in_formats;
desc = av_pix_fmt_desc_get(avff->formats[0]);
rgb = desc->flags & AV_PIX_FMT_FLAG_RGB;
depth = desc->comp[0].depth;
for (i = 1; i < avff->nb_formats; i++) {
desc = av_pix_fmt_desc_get(avff->formats[i]);
if (rgb != (desc->flags & AV_PIX_FMT_FLAG_RGB) ||
depth != desc->comp[0].depth)
return AVERROR(EAGAIN);
}
if (rgb && depth == 8)
out_pix_fmts = out_rgb8_pix_fmts;
else if (rgb && depth == 9)
out_pix_fmts = out_rgb9_pix_fmts;
else if (rgb && depth == 10)
out_pix_fmts = out_rgb10_pix_fmts;
else if (rgb && depth == 12)
out_pix_fmts = out_rgb12_pix_fmts;
else if (depth == 8)
out_pix_fmts = out_yuv8_pix_fmts;
else if (depth == 9)
out_pix_fmts = out_yuv9_pix_fmts;
else if (depth == 10)
out_pix_fmts = out_yuv10_pix_fmts;
else if (depth == 12)
out_pix_fmts = out_yuv12_pix_fmts;
else
return AVERROR(EAGAIN);
if ((ret = ff_formats_ref(ff_make_format_list(out_pix_fmts), &ctx->outputs[0]->in_formats)) < 0)
return ret;
return 0;
}
static int config_output(AVFilterLink *outlink)
{
VectorscopeContext *s = outlink->src->priv;
int i;
s->intensity = s->fintensity * (s->size - 1);
outlink->h = outlink->w = s->size;
outlink->sample_aspect_ratio = (AVRational){1,1};
s->peak_memory = av_calloc(s->size, s->size);
if (!s->peak_memory)
return AVERROR(ENOMEM);
s->peak = av_calloc(s->size, sizeof(*s->peak));
if (!s->peak)
return AVERROR(ENOMEM);
for (i = 0; i < s->size; i++)
s->peak[i] = s->peak_memory + s->size * i;
return 0;
}
static void envelope_instant16(VectorscopeContext *s, AVFrame *out)
{
const int dlinesize = out->linesize[0] / 2;
uint16_t *dpd = s->mode == COLOR || !s->is_yuv ? (uint16_t *)out->data[s->pd] : (uint16_t *)out->data[0];
const int max = s->size - 1;
int i, j;
for (i = 0; i < out->height; i++) {
for (j = 0; j < out->width; j++) {
const int pos = i * dlinesize + j;
const int poa = (i - 1) * dlinesize + j;
const int pob = (i + 1) * dlinesize + j;
if (dpd[pos] && (((!j || !dpd[pos - 1]) || ((j == (out->width - 1)) || !dpd[pos + 1]))
|| ((!i || !dpd[poa]) || ((i == (out->height - 1)) || !dpd[pob])))) {
dpd[pos] = max;
}
}
}
}
static void envelope_peak16(VectorscopeContext *s, AVFrame *out)
{
const int dlinesize = out->linesize[0] / 2;
uint16_t *dpd = s->mode == COLOR || !s->is_yuv ? (uint16_t *)out->data[s->pd] : (uint16_t *)out->data[0];
const int max = s->size - 1;
int i, j;
for (i = 0; i < out->height; i++) {
for (j = 0; j < out->width; j++) {
const int pos = i * dlinesize + j;
if (dpd[pos])
s->peak[i][j] = 1;
}
}
if (s->envelope == 3)
envelope_instant16(s, out);
for (i = 0; i < out->height; i++) {
for (j = 0; j < out->width; j++) {
const int pos = i * dlinesize + j;
if (s->peak[i][j] && (((!j || !s->peak[i][j-1]) || ((j == (out->width - 1)) || !s->peak[i][j + 1]))
|| ((!i || !s->peak[i-1][j]) || ((i == (out->height - 1)) || !s->peak[i + 1][j])))) {
dpd[pos] = max;
}
}
}
}
static void envelope_instant(VectorscopeContext *s, AVFrame *out)
{
const int dlinesize = out->linesize[0];
uint8_t *dpd = s->mode == COLOR || !s->is_yuv ? out->data[s->pd] : out->data[0];
int i, j;
for (i = 0; i < out->height; i++) {
for (j = 0; j < out->width; j++) {
const int pos = i * dlinesize + j;
const int poa = (i - 1) * dlinesize + j;
const int pob = (i + 1) * dlinesize + j;
if (dpd[pos] && (((!j || !dpd[pos - 1]) || ((j == (out->width - 1)) || !dpd[pos + 1]))
|| ((!i || !dpd[poa]) || ((i == (out->height - 1)) || !dpd[pob])))) {
dpd[pos] = 255;
}
}
}
}
static void envelope_peak(VectorscopeContext *s, AVFrame *out)
{
const int dlinesize = out->linesize[0];
uint8_t *dpd = s->mode == COLOR || !s->is_yuv ? out->data[s->pd] : out->data[0];
int i, j;
for (i = 0; i < out->height; i++) {
for (j = 0; j < out->width; j++) {
const int pos = i * dlinesize + j;
if (dpd[pos])
s->peak[i][j] = 1;
}
}
if (s->envelope == 3)
envelope_instant(s, out);
for (i = 0; i < out->height; i++) {
for (j = 0; j < out->width; j++) {
const int pos = i * dlinesize + j;
if (s->peak[i][j] && (((!j || !s->peak[i][j-1]) || ((j == (out->width - 1)) || !s->peak[i][j + 1]))
|| ((!i || !s->peak[i-1][j]) || ((i == (out->height - 1)) || !s->peak[i + 1][j])))) {
dpd[pos] = 255;
}
}
}
}
static void envelope16(VectorscopeContext *s, AVFrame *out)
{
if (!s->envelope) {
return;
} else if (s->envelope == 1) {
envelope_instant16(s, out);
} else {
envelope_peak16(s, out);
}
}
static void envelope(VectorscopeContext *s, AVFrame *out)
{
if (!s->envelope) {
return;
} else if (s->envelope == 1) {
envelope_instant(s, out);
} else {
envelope_peak(s, out);
}
}
static void vectorscope16(VectorscopeContext *s, AVFrame *in, AVFrame *out, int pd)
{
const uint16_t * const *src = (const uint16_t * const *)in->data;
const int slinesizex = in->linesize[s->x] / 2;
const int slinesizey = in->linesize[s->y] / 2;
const int slinesized = in->linesize[pd] / 2;
const int dlinesize = out->linesize[0] / 2;
const int intensity = s->intensity;
const int px = s->x, py = s->y;
const int h = s->planeheight[py];
const int w = s->planewidth[px];
const uint16_t *spx = src[px];
const uint16_t *spy = src[py];
const uint16_t *spd = src[pd];
const int hsub = s->hsub;
const int vsub = s->vsub;
uint16_t **dst = (uint16_t **)out->data;
uint16_t *dpx = dst[px];
uint16_t *dpy = dst[py];
uint16_t *dpd = dst[pd];
const int max = s->size - 1;
const int mid = s->size / 2;
const int tmin = s->tmin;
const int tmax = s->tmax;
int i, j, k;
for (k = 0; k < 4 && dst[k]; k++) {
for (i = 0; i < out->height ; i++)
for (j = 0; j < out->width; j++)
AV_WN16(out->data[k] + i * out->linesize[k] + j * 2,
(s->mode == COLOR || s->mode == COLOR5) && k == s->pd ? 0 : s->bg_color[k]);
}
switch (s->mode) {
case COLOR:
case COLOR5:
case GRAY:
if (s->is_yuv) {
for (i = 0; i < h; i++) {
const int iwx = i * slinesizex;
const int iwy = i * slinesizey;
const int iwd = i * slinesized;
for (j = 0; j < w; j++) {
const int x = FFMIN(spx[iwx + j], max);
const int y = FFMIN(spy[iwy + j], max);
const int z = spd[iwd + j];
const int pos = y * dlinesize + x;
if (z < tmin || z > tmax)
continue;
dpd[pos] = FFMIN(dpd[pos] + intensity, max);
}
}
} else {
for (i = 0; i < h; i++) {
const int iwx = i * slinesizex;
const int iwy = i * slinesizey;
const int iwd = i * slinesized;
for (j = 0; j < w; j++) {
const int x = FFMIN(spx[iwx + j], max);
const int y = FFMIN(spy[iwy + j], max);
const int z = spd[iwd + j];
const int pos = y * dlinesize + x;
if (z < tmin || z > tmax)
continue;
dst[0][pos] = FFMIN(dst[0][pos] + intensity, max);
dst[1][pos] = FFMIN(dst[1][pos] + intensity, max);
dst[2][pos] = FFMIN(dst[2][pos] + intensity, max);
}
}
}
break;
case COLOR2:
if (s->is_yuv) {
for (i = 0; i < h; i++) {
const int iw1 = i * slinesizex;
const int iw2 = i * slinesizey;
const int iwd = i * slinesized;
for (j = 0; j < w; j++) {
const int x = FFMIN(spx[iw1 + j], max);
const int y = FFMIN(spy[iw2 + j], max);
const int z = spd[iwd + j];
const int pos = y * dlinesize + x;
if (z < tmin || z > tmax)
continue;
if (!dpd[pos])
dpd[pos] = FFABS(mid - x) + FFABS(mid - y);
dpx[pos] = x;
dpy[pos] = y;
}
}
} else {
for (i = 0; i < h; i++) {
const int iw1 = i * slinesizex;
const int iw2 = i * slinesizey;
const int iwd = i * slinesized;
for (j = 0; j < w; j++) {
const int x = FFMIN(spx[iw1 + j], max);
const int y = FFMIN(spy[iw2 + j], max);
const int z = spd[iwd + j];
const int pos = y * dlinesize + x;
if (z < tmin || z > tmax)
continue;
if (!dpd[pos])
dpd[pos] = FFMIN(x + y, max);
dpx[pos] = x;
dpy[pos] = y;
}
}
}
break;
case COLOR3:
for (i = 0; i < h; i++) {
const int iw1 = i * slinesizex;
const int iw2 = i * slinesizey;
const int iwd = i * slinesized;
for (j = 0; j < w; j++) {
const int x = FFMIN(spx[iw1 + j], max);
const int y = FFMIN(spy[iw2 + j], max);
const int z = spd[iwd + j];
const int pos = y * dlinesize + x;
if (z < tmin || z > tmax)
continue;
dpd[pos] = FFMIN(max, dpd[pos] + intensity);
dpx[pos] = x;
dpy[pos] = y;
}
}
break;
case COLOR4:
for (i = 0; i < in->height; i++) {
const int iwx = (i >> vsub) * slinesizex;
const int iwy = (i >> vsub) * slinesizey;
const int iwd = i * slinesized;
for (j = 0; j < in->width; j++) {
const int x = FFMIN(spx[iwx + (j >> hsub)], max);
const int y = FFMIN(spy[iwy + (j >> hsub)], max);
const int z = spd[iwd + j];
const int pos = y * dlinesize + x;
if (z < tmin || z > tmax)
continue;
dpd[pos] = FFMAX(z, dpd[pos]);
dpx[pos] = x;
dpy[pos] = y;
}
}
break;
default:
av_assert0(0);
}
envelope16(s, out);
if (dst[3]) {
for (i = 0; i < out->height; i++) {
for (j = 0; j < out->width; j++) {
int pos = i * dlinesize + j;
if (dpd[pos])
dst[3][pos] = max;
}
}
}
if (s->mode == COLOR) {
for (i = 0; i < out->height; i++) {
for (j = 0; j < out->width; j++) {
if (!dpd[i * dlinesize + j]) {
dpx[i * dlinesize + j] = j;
dpy[i * dlinesize + j] = i;
dpd[i * dlinesize + j] = mid;
}
}
}
} else if (s->mode == COLOR5) {
for (i = 0; i < out->height; i++) {
for (j = 0; j < out->width; j++) {
if (!dpd[i * dlinesize + j]) {
dpx[i * dlinesize + j] = j;
dpy[i * dlinesize + j] = i;
dpd[i * dlinesize + j] = mid * M_SQRT2 - hypot(i - mid, j - mid);
}
}
}
}
}
static void vectorscope8(VectorscopeContext *s, AVFrame *in, AVFrame *out, int pd)
{
const uint8_t * const *src = (const uint8_t * const *)in->data;
const int slinesizex = in->linesize[s->x];
const int slinesizey = in->linesize[s->y];
const int slinesized = in->linesize[pd];
const int dlinesize = out->linesize[0];
const int intensity = s->intensity;
const int px = s->x, py = s->y;
const int h = s->planeheight[py];
const int w = s->planewidth[px];
const uint8_t *spx = src[px];
const uint8_t *spy = src[py];
const uint8_t *spd = src[pd];
const int hsub = s->hsub;
const int vsub = s->vsub;
uint8_t **dst = out->data;
uint8_t *dpx = dst[px];
uint8_t *dpy = dst[py];
uint8_t *dpd = dst[pd];
const int tmin = s->tmin;
const int tmax = s->tmax;
int i, j, k;
for (k = 0; k < 4 && dst[k]; k++)
for (i = 0; i < out->height ; i++)
memset(dst[k] + i * out->linesize[k],
(s->mode == COLOR || s->mode == COLOR5) && k == s->pd ? 0 : s->bg_color[k], out->width);
switch (s->mode) {
case COLOR5:
case COLOR:
case GRAY:
if (s->is_yuv) {
for (i = 0; i < h; i++) {
const int iwx = i * slinesizex;
const int iwy = i * slinesizey;
const int iwd = i * slinesized;
for (j = 0; j < w; j++) {
const int x = spx[iwx + j];
const int y = spy[iwy + j];
const int z = spd[iwd + j];
const int pos = y * dlinesize + x;
if (z < tmin || z > tmax)
continue;
dpd[pos] = FFMIN(dpd[pos] + intensity, 255);
}
}
} else {
for (i = 0; i < h; i++) {
const int iwx = i * slinesizex;
const int iwy = i * slinesizey;
const int iwd = i * slinesized;
for (j = 0; j < w; j++) {
const int x = spx[iwx + j];
const int y = spy[iwy + j];
const int z = spd[iwd + j];
const int pos = y * dlinesize + x;
if (z < tmin || z > tmax)
continue;
dst[0][pos] = FFMIN(dst[0][pos] + intensity, 255);
dst[1][pos] = FFMIN(dst[1][pos] + intensity, 255);
dst[2][pos] = FFMIN(dst[2][pos] + intensity, 255);
}
}
}
break;
case COLOR2:
if (s->is_yuv) {
for (i = 0; i < h; i++) {
const int iw1 = i * slinesizex;
const int iw2 = i * slinesizey;
const int iwd = i * slinesized;
for (j = 0; j < w; j++) {
const int x = spx[iw1 + j];
const int y = spy[iw2 + j];
const int z = spd[iwd + j];
const int pos = y * dlinesize + x;
if (z < tmin || z > tmax)
continue;
if (!dpd[pos])
dpd[pos] = FFABS(128 - x) + FFABS(128 - y);
dpx[pos] = x;
dpy[pos] = y;
}
}
} else {
for (i = 0; i < h; i++) {
const int iw1 = i * slinesizex;
const int iw2 = i * slinesizey;
const int iwd = i * slinesized;
for (j = 0; j < w; j++) {
const int x = spx[iw1 + j];
const int y = spy[iw2 + j];
const int z = spd[iwd + j];
const int pos = y * dlinesize + x;
if (z < tmin || z > tmax)
continue;
if (!dpd[pos])
dpd[pos] = FFMIN(x + y, 255);
dpx[pos] = x;
dpy[pos] = y;
}
}
}
break;
case COLOR3:
for (i = 0; i < h; i++) {
const int iw1 = i * slinesizex;
const int iw2 = i * slinesizey;
const int iwd = i * slinesized;
for (j = 0; j < w; j++) {
const int x = spx[iw1 + j];
const int y = spy[iw2 + j];
const int z = spd[iwd + j];
const int pos = y * dlinesize + x;
if (z < tmin || z > tmax)
continue;
dpd[pos] = FFMIN(255, dpd[pos] + intensity);
dpx[pos] = x;
dpy[pos] = y;
}
}
break;
case COLOR4:
for (i = 0; i < in->height; i++) {
const int iwx = (i >> vsub) * slinesizex;
const int iwy = (i >> vsub) * slinesizey;
const int iwd = i * slinesized;
for (j = 0; j < in->width; j++) {
const int x = spx[iwx + (j >> hsub)];
const int y = spy[iwy + (j >> hsub)];
const int z = spd[iwd + j];
const int pos = y * dlinesize + x;
if (z < tmin || z > tmax)
continue;
dpd[pos] = FFMAX(z, dpd[pos]);
dpx[pos] = x;
dpy[pos] = y;
}
}
break;
default:
av_assert0(0);
}
envelope(s, out);
if (dst[3]) {
for (i = 0; i < out->height; i++) {
for (j = 0; j < out->width; j++) {
int pos = i * dlinesize + j;
if (dpd[pos])
dst[3][pos] = 255;
}
}
}
if (s->mode == COLOR) {
for (i = 0; i < out->height; i++) {
for (j = 0; j < out->width; j++) {
if (!dpd[i * out->linesize[pd] + j]) {
dpx[i * out->linesize[px] + j] = j;
dpy[i * out->linesize[py] + j] = i;
dpd[i * out->linesize[pd] + j] = 128;
}
}
}
} else if (s->mode == COLOR5) {
for (i = 0; i < out->height; i++) {
for (j = 0; j < out->width; j++) {
if (!dpd[i * out->linesize[pd] + j]) {
dpx[i * out->linesize[px] + j] = j;
dpy[i * out->linesize[py] + j] = i;
dpd[i * out->linesize[pd] + j] = 128 * M_SQRT2 - hypot(i - 128, j - 128);
}
}
}
}
}
const static char *positions_name[] = {
"R", "B", "Cy", "Yl", "G", "Mg",
};
const static uint16_t positions[][14][3] = {
{
{ 81, 90, 240 }, { 41, 240, 110 }, { 170, 166, 16 },
{ 210, 16, 146 }, { 145, 54, 34 }, { 106, 202, 222 },
{ 162, 44, 142 }, { 131, 156, 44 }, { 112, 72, 58 },
{ 84, 184, 198 }, { 65, 100, 212 }, { 35, 212, 114 },
{ 235, 128, 128 }, { 16, 128, 128 } },
{ { 63, 102, 240 }, { 32, 240, 118 }, { 188, 154, 16 },
{ 219, 16, 138 }, { 173, 42, 26 }, { 78, 214, 230 },
{ 28, 212, 120 }, { 51, 109, 212 }, { 63, 193, 204 },
{ 133, 63, 52 }, { 145, 147, 44 }, { 168, 44, 136 },
{ 235, 128, 128 }, { 16, 128, 128 } },
{ { 81*2, 90*2, 240*2 }, { 41*2, 240*2, 110*2 }, { 170*2, 166*2, 16*2 },
{ 210*2, 16*2, 146*2 }, { 145*2, 54*2, 34*2 }, { 106*2, 202*2, 222*2 },
{ 162*2, 44*2, 142*2 }, { 131*2, 156*2, 44*2 }, { 112*2, 72*2, 58*2 },
{ 84*2, 184*2, 198*2 }, { 65*2, 100*2, 212*2 }, { 35*2, 212*2, 114*2 },
{ 470, 256, 256 }, { 32, 256, 256 } },
{ { 63*2, 102*2, 240*2 }, { 32*2, 240*2, 118*2 }, { 188*2, 154*2, 16*2 },
{ 219*2, 16*2, 138*2 }, { 173*2, 42*2, 26*2 }, { 78*2, 214*2, 230*2 },
{ 28*2, 212*2, 120*2 }, { 51*2, 109*2, 212*2 }, { 63*2, 193*2, 204*2 },
{ 133*2, 63*2, 52*2 }, { 145*2, 147*2, 44*2 }, { 168*2, 44*2, 136*2 },
{ 470, 256, 256 }, { 32, 256, 256 } },
{ { 81*4, 90*4, 240*4 }, { 41*4, 240*4, 110*4 }, { 170*4, 166*4, 16*4 },
{ 210*4, 16*4, 146*4 }, { 145*4, 54*4, 34*4 }, { 106*4, 202*4, 222*4 },
{ 162*4, 44*4, 142*4 }, { 131*4, 156*4, 44*4 }, { 112*4, 72*4, 58*4 },
{ 84*4, 184*4, 198*4 }, { 65*4, 100*4, 212*4 }, { 35*4, 212*4, 114*4 },
{ 940, 512, 512 }, { 64, 512, 512 } },
{ { 63*4, 102*4, 240*4 }, { 32*4, 240*4, 118*4 }, { 188*4, 154*4, 16*4 },
{ 219*4, 16*4, 138*4 }, { 173*4, 42*4, 26*4 }, { 78*4, 214*4, 230*4 },
{ 28*4, 212*4, 120*4 }, { 51*4, 109*4, 212*4 }, { 63*4, 193*4, 204*4 },
{ 133*4, 63*4, 52*4 }, { 145*4, 147*4, 44*4 }, { 168*4, 44*4, 136*4 },
{ 940, 512, 512 }, { 64, 512, 512 } },
{ { 81*8, 90*4, 240*8 }, { 41*8, 240*8, 110*8 }, { 170*8, 166*8, 16*8 },
{ 210*8, 16*4, 146*8 }, { 145*8, 54*8, 34*8 }, { 106*8, 202*8, 222*8 },
{ 162*8, 44*4, 142*8 }, { 131*8, 156*8, 44*8 }, { 112*8, 72*8, 58*8 },
{ 84*8, 184*4, 198*8 }, { 65*8, 100*8, 212*8 }, { 35*8, 212*8, 114*8 },
{ 1880, 1024, 1024 }, { 128, 1024, 1024 } },
{ { 63*8, 102*8, 240*8 }, { 32*8, 240*8, 118*8 }, { 188*8, 154*8, 16*8 },
{ 219*8, 16*8, 138*8 }, { 173*8, 42*8, 26*8 }, { 78*8, 214*8, 230*8 },
{ 28*8, 212*8, 120*8 }, { 51*8, 109*8, 212*8 }, { 63*8, 193*8, 204*8 },
{ 133*8, 63*8, 52*8 }, { 145*8, 147*8, 44*8 }, { 168*8, 44*8, 136*8 },
{ 1880, 1024, 1024 }, { 128, 1024, 1024 } },
{ { 81*16, 90*16, 240*16 }, { 41*16, 240*16, 110*16 }, { 170*16, 166*16, 16*16 },
{ 210*16, 16*16, 146*16 }, { 145*16, 54*16, 34*16 }, { 106*16, 202*16, 222*16 },
{ 162*16, 44*16, 142*16 }, { 131*16, 156*16, 44*16 }, { 112*16, 72*16, 58*16 },
{ 84*16, 184*16, 198*16 }, { 65*16, 100*16, 212*16 }, { 35*16, 212*16, 114*16 },
{ 3760, 2048, 2048 }, { 256, 2048, 2048 } },
{ { 63*16, 102*16, 240*16 }, { 32*16, 240*16, 118*16 }, { 188*16, 154*16, 16*16 },
{ 219*16, 16*16, 138*16 }, { 173*16, 42*16, 26*16 }, { 78*16, 214*16, 230*16 },
{ 28*16, 212*16, 120*16 }, { 51*16, 109*16, 212*16 }, { 63*16, 193*16, 204*16 },
{ 133*16, 63*16, 52*16 }, { 145*16, 147*16, 44*16 }, { 168*16, 44*16, 136*16 },
{ 3760, 2048, 2048 }, { 256, 2048, 2048 } },
};
static void draw_dots(uint8_t *dst, int L, int v, float o)
{
const float f = 1. - o;
const float V = o * v;
int l = L * 2;
dst[ l - 3] = dst[ l - 3] * f + V;
dst[ l + 3] = dst[ l + 3] * f + V;
dst[-l - 3] = dst[-l - 3] * f + V;
dst[-l + 3] = dst[-l + 3] * f + V;
l += L;
dst[ l - 3] = dst[ l - 3] * f + V;
dst[ l + 3] = dst[ l + 3] * f + V;
dst[ l - 2] = dst[ l - 2] * f + V;
dst[ l + 2] = dst[ l + 2] * f + V;
dst[-l - 3] = dst[-l - 3] * f + V;
dst[-l + 3] = dst[-l + 3] * f + V;
dst[-l - 2] = dst[-l - 2] * f + V;
dst[-l + 2] = dst[-l + 2] * f + V;
}
static void draw_dots16(uint16_t *dst, int L, int v, float o)
{
const float f = 1. - o;
const float V = o * v;
int l = L * 2;
dst[ l - 3] = dst[ l - 3] * f + V;
dst[ l + 3] = dst[ l + 3] * f + V;
dst[-l - 3] = dst[-l - 3] * f + V;
dst[-l + 3] = dst[-l + 3] * f + V;
l += L;
dst[ l - 3] = dst[ l - 3] * f + V;
dst[ l + 3] = dst[ l + 3] * f + V;
dst[ l - 2] = dst[ l - 2] * f + V;
dst[ l + 2] = dst[ l + 2] * f + V;
dst[-l - 3] = dst[-l - 3] * f + V;
dst[-l + 3] = dst[-l + 3] * f + V;
dst[-l - 2] = dst[-l - 2] * f + V;
dst[-l + 2] = dst[-l + 2] * f + V;
}
static void none_graticule(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
{
}
static void draw_htext(AVFrame *out, int x, int y, float o1, float o2, const char *txt, const uint8_t color[4])
{
const uint8_t *font;
int font_height;
int i, plane;
font = avpriv_cga_font, font_height = 8;
for (plane = 0; plane < 4 && out->data[plane]; plane++) {
for (i = 0; txt[i]; i++) {
int char_y, mask;
int v = color[plane];
uint8_t *p = out->data[plane] + y * out->linesize[plane] + (x + i * 8);
for (char_y = font_height - 1; char_y >= 0; char_y--) {
for (mask = 0x80; mask; mask >>= 1) {
if (font[txt[i] * font_height + char_y] & mask)
p[0] = p[0] * o2 + v * o1;
p++;
}
p += out->linesize[plane] - 8;
}
}
}
}
static void draw_htext16(AVFrame *out, int x, int y, float o1, float o2, const char *txt, const uint16_t color[4])
{
const uint8_t *font;
int font_height;
int i, plane;
font = avpriv_cga_font, font_height = 8;
for (plane = 0; plane < 4 && out->data[plane]; plane++) {
for (i = 0; txt[i]; i++) {
int char_y, mask;
int v = color[plane];
uint16_t *p = (uint16_t *)(out->data[plane] + y * out->linesize[plane]) + (x + i * 8);
for (char_y = font_height - 1; char_y >= 0; char_y--) {
for (mask = 0x80; mask; mask >>= 1) {
if (font[txt[i] * font_height + char_y] & mask)
p[0] = p[0] * o2 + v * o1;
p++;
}
p += out->linesize[plane] / 2 - 8;
}
}
}
}
static void color_graticule16(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
{
const int max = s->size - 1;
const float o = s->opacity;
int i;
for (i = 0; i < 12; i++) {
int x = positions[P][i][X];
int y = positions[P][i][Y];
int d = positions[P][i][D];
draw_dots16((uint16_t *)(out->data[D] + y * out->linesize[D] + x * 2), out->linesize[D] / 2, d, o);
draw_dots16((uint16_t *)(out->data[X] + y * out->linesize[X] + x * 2), out->linesize[X] / 2, x, o);
draw_dots16((uint16_t *)(out->data[Y] + y * out->linesize[Y] + x * 2), out->linesize[Y] / 2, y, o);
if (out->data[3])
draw_dots16((uint16_t *)(out->data[3] + y * out->linesize[3] + x * 2), out->linesize[3] / 2, max, o);
}
if (s->flags & 1) {
int x = positions[P][12][X];
int y = positions[P][12][Y];
int d = positions[P][12][D];
draw_dots16((uint16_t *)(out->data[D] + y * out->linesize[D] + x * 2), out->linesize[D] / 2, d, o);
draw_dots16((uint16_t *)(out->data[X] + y * out->linesize[X] + x * 2), out->linesize[X] / 2, x, o);
draw_dots16((uint16_t *)(out->data[Y] + y * out->linesize[Y] + x * 2), out->linesize[Y] / 2, y, o);
if (out->data[3])
draw_dots16((uint16_t *)(out->data[3] + y * out->linesize[3] + x * 2), out->linesize[3] / 2, max, o);
}
if (s->flags & 2) {
int x = positions[P][13][X];
int y = positions[P][13][Y];
int d = positions[P][13][D];
draw_dots16((uint16_t *)(out->data[D] + y * out->linesize[D] + x * 2), out->linesize[D] / 2, d, o);
draw_dots16((uint16_t *)(out->data[X] + y * out->linesize[X] + x * 2), out->linesize[X] / 2, x, o);
draw_dots16((uint16_t *)(out->data[Y] + y * out->linesize[Y] + x * 2), out->linesize[Y] / 2, y, o);
if (out->data[3])
draw_dots16((uint16_t *)(out->data[3] + y * out->linesize[3] + x * 2), out->linesize[3] / 2, max, o);
}
for (i = 0; i < 6 && s->flags & 4; i++) {
uint16_t color[4] = { 0, 0, 0, 0 };
int x = positions[P][i][X];
int y = positions[P][i][Y];
int d = positions[P][i][D];
color[D] = d;
color[X] = x;
color[Y] = y;
color[3] = max;
if (x > max / 2)
x += 8;
else
x -= 14;
if (y > max / 2)
y += 8;
else
y -= 14;
x = av_clip(x, 0, out->width - 9);
y = av_clip(y, 0, out->height - 9);
draw_htext16(out, x, y, o, 1. - o, positions_name[i], color);
}
}
static void color_graticule(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
{
const float o = s->opacity;
int i;
for (i = 0; i < 12; i++) {
int x = positions[P][i][X];
int y = positions[P][i][Y];
int d = positions[P][i][D];
draw_dots(out->data[D] + y * out->linesize[D] + x, out->linesize[D], d, o);
draw_dots(out->data[X] + y * out->linesize[X] + x, out->linesize[X], x, o);
draw_dots(out->data[Y] + y * out->linesize[Y] + x, out->linesize[Y], y, o);
if (out->data[3])
draw_dots(out->data[3] + y * out->linesize[3] + x, out->linesize[3], 255, o);
}
if (s->flags & 1) {
int x = positions[P][12][X];
int y = positions[P][12][Y];
int d = positions[P][12][D];
draw_dots(out->data[D] + y * out->linesize[D] + x, out->linesize[D], d, o);
draw_dots(out->data[X] + y * out->linesize[X] + x, out->linesize[X], x, o);
draw_dots(out->data[Y] + y * out->linesize[Y] + x, out->linesize[Y], y, o);
if (out->data[3])
draw_dots(out->data[3] + y * out->linesize[3] + x, out->linesize[3], 255, o);
}
if (s->flags & 2) {
int x = positions[P][13][X];
int y = positions[P][13][Y];
int d = positions[P][12][D];
draw_dots(out->data[D] + y * out->linesize[D] + x, out->linesize[D], d, o);
draw_dots(out->data[X] + y * out->linesize[X] + x, out->linesize[X], x, o);
draw_dots(out->data[Y] + y * out->linesize[Y] + x, out->linesize[Y], y, o);
if (out->data[3])
draw_dots(out->data[3] + y * out->linesize[3] + x, out->linesize[3], 255, o);
}
for (i = 0; i < 6 && s->flags & 4; i++) {
uint8_t color[4] = { 0, 0, 0, 255 };
int x = positions[P][i][X];
int y = positions[P][i][Y];
int d = positions[P][i][D];
color[D] = d;
color[X] = x;
color[Y] = y;
if (x > 128)
x += 8;
else
x -= 14;
if (y > 128)
y += 8;
else
y -= 14;
x = av_clip(x, 0, out->width - 9);
y = av_clip(y, 0, out->height - 9);
draw_htext(out, x, y, o, 1. - o, positions_name[i], color);
}
}
static void green_graticule16(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
{
const int max = s->size - 1;
const float o = s->opacity;
const int m = s->mult;
int i;
for (i = 0; i < 12; i++) {
int x = positions[P][i][X];
int y = positions[P][i][Y];
draw_dots16((uint16_t *)(out->data[0] + y * out->linesize[0] + x * 2), out->linesize[0] / 2, 128 * m, o);
draw_dots16((uint16_t *)(out->data[1] + y * out->linesize[1] + x * 2), out->linesize[1] / 2, 0, o);
draw_dots16((uint16_t *)(out->data[2] + y * out->linesize[2] + x * 2), out->linesize[2] / 2, 0, o);
if (out->data[3])
draw_dots16((uint16_t *)(out->data[3] + y * out->linesize[3] + x * 2), out->linesize[3] / 2, max, o);
}
if (s->flags & 1) {
int x = positions[P][12][X];
int y = positions[P][12][Y];
draw_dots16((uint16_t *)(out->data[0] + y * out->linesize[0] + x * 2), out->linesize[0] / 2, 128 * m, o);
draw_dots16((uint16_t *)(out->data[1] + y * out->linesize[1] + x * 2), out->linesize[1] / 2, 0, o);
draw_dots16((uint16_t *)(out->data[2] + y * out->linesize[2] + x * 2), out->linesize[2] / 2, 0, o);
if (out->data[3])
draw_dots16((uint16_t *)(out->data[3] + y * out->linesize[3] + x * 2), out->linesize[3] / 2, max, o);
}
if (s->flags & 2) {
int x = positions[P][13][X];
int y = positions[P][13][Y];
draw_dots16((uint16_t *)(out->data[0] + y * out->linesize[0] + x * 2), out->linesize[0] / 2, 128 * m, o);
draw_dots16((uint16_t *)(out->data[1] + y * out->linesize[1] + x * 2), out->linesize[1] / 2, 0, o);
draw_dots16((uint16_t *)(out->data[2] + y * out->linesize[2] + x * 2), out->linesize[2] / 2, 0, o);
if (out->data[3])
draw_dots16((uint16_t *)(out->data[3] + y * out->linesize[3] + x * 2), out->linesize[3] / 2, max, o);
}
for (i = 0; i < 6 && s->flags & 4; i++) {
const uint16_t color[4] = { 128 * m, 0, 0, max };
int x = positions[P][i][X];
int y = positions[P][i][Y];
if (x > max / 2)
x += 8;
else
x -= 14;
if (y > max / 2)
y += 8;
else
y -= 14;
x = av_clip(x, 0, out->width - 9);
y = av_clip(y, 0, out->height - 9);
draw_htext16(out, x, y, o, 1. - o, positions_name[i], color);
}
}
static void green_graticule(VectorscopeContext *s, AVFrame *out, int X, int Y, int D, int P)
{
const float o = s->opacity;
int i;
for (i = 0; i < 12; i++) {
int x = positions[P][i][X];
int y = positions[P][i][Y];
draw_dots(out->data[0] + y * out->linesize[0] + x, out->linesize[0], 128, o);
draw_dots(out->data[1] + y * out->linesize[1] + x, out->linesize[1], 0, o);
draw_dots(out->data[2] + y * out->linesize[2] + x, out->linesize[2], 0, o);
if (out->data[3])
draw_dots(out->data[3] + y * out->linesize[3] + x, out->linesize[3], 255, o);
}
if (s->flags & 1) {
int x = positions[P][12][X];
int y = positions[P][12][Y];
draw_dots(out->data[0] + y * out->linesize[0] + x, out->linesize[0], 128, o);
draw_dots(out->data[1] + y * out->linesize[1] + x, out->linesize[1], 0, o);
draw_dots(out->data[2] + y * out->linesize[2] + x, out->linesize[2], 0, o);
if (out->data[3])
draw_dots(out->data[3] + y * out->linesize[3] + x, out->linesize[3], 255, o);
}
if (s->flags & 2) {
int x = positions[P][13][X];
int y = positions[P][13][Y];
draw_dots(out->data[0] + y * out->linesize[0] + x, out->linesize[0], 128, o);
draw_dots(out->data[1] + y * out->linesize[1] + x, out->linesize[1], 0, o);
draw_dots(out->data[2] + y * out->linesize[2] + x, out->linesize[2], 0, o);
if (out->data[3])
draw_dots(out->data[3] + y * out->linesize[3] + x, out->linesize[3], 255, o);
}
for (i = 0; i < 6 && s->flags & 4; i++) {
const uint8_t color[4] = { 128, 0, 0, 255 };
int x = positions[P][i][X];
int y = positions[P][i][Y];
if (x > 128)
x += 8;
else
x -= 14;
if (y > 128)
y += 8;
else
y -= 14;
x = av_clip(x, 0, out->width - 9);
y = av_clip(y, 0, out->height - 9);
draw_htext(out, x, y, o, 1. - o, positions_name[i], color);
}
}
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
{
AVFilterContext *ctx = inlink->dst;
VectorscopeContext *s = ctx->priv;
AVFilterLink *outlink = ctx->outputs[0];
AVFrame *out;
int plane;
if (s->colorspace) {
s->cs = (s->depth - 8) * 2 + s->colorspace - 1;
} else {
switch (in->colorspace) {
case AVCOL_SPC_SMPTE170M:
case AVCOL_SPC_BT470BG:
s->cs = (s->depth - 8) * 2 + 0;
break;
case AVCOL_SPC_BT709:
default:
s->cs = (s->depth - 8) * 2 + 1;
}
}
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out) {
av_frame_free(&in);
return AVERROR(ENOMEM);
}
av_frame_copy_props(out, in);
s->vectorscope(s, in, out, s->pd);
s->graticulef(s, out, s->x, s->y, s->pd, s->cs);
for (plane = 0; plane < 4; plane++) {
if (out->data[plane]) {
out->data[plane] += (s->size - 1) * out->linesize[plane];
out->linesize[plane] = -out->linesize[plane];
}
}
av_frame_free(&in);
return ff_filter_frame(outlink, out);
}
static int config_input(AVFilterLink *inlink)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
AVFilterContext *ctx = inlink->dst;
VectorscopeContext *s = ctx->priv;
s->is_yuv = !(desc->flags & AV_PIX_FMT_FLAG_RGB);
s->size = 1 << desc->comp[0].depth;
s->mult = s->size / 256;
s->depth = desc->comp[0].depth;
s->tmin = s->lthreshold * (s->size - 1);
s->tmax = s->hthreshold * (s->size - 1);
if (s->tmin > s->tmax) {
av_log(ctx, AV_LOG_ERROR, "low threshold should be less than high threshold\n");
return AVERROR(EINVAL);
}
if (s->mode == GRAY && s->is_yuv)
s->pd = 0;
else {
if ((s->x == 1 && s->y == 2) || (s->x == 2 && s->y == 1))
s->pd = 0;
else if ((s->x == 0 && s->y == 2) || (s->x == 2 && s->y == 0))
s->pd = 1;
else if ((s->x == 0 && s->y == 1) || (s->x == 1 && s->y == 0))
s->pd = 2;
}
if (s->size == 256)
s->vectorscope = vectorscope8;
else
s->vectorscope = vectorscope16;
s->graticulef = none_graticule;
if (s->is_yuv && s->size == 256) {
if (s->graticule == 1)
s->graticulef = green_graticule;
else if (s->graticule == 2)
s->graticulef = color_graticule;
} else if (s->is_yuv) {
if (s->graticule == 1)
s->graticulef = green_graticule16;
else if (s->graticule == 2)
s->graticulef = color_graticule16;
}
s->bg_color[3] = s->bgopacity * (s->size - 1);
switch (inlink->format) {
case AV_PIX_FMT_GBRP12:
case AV_PIX_FMT_GBRP10:
case AV_PIX_FMT_GBRP9:
case AV_PIX_FMT_GBRAP:
case AV_PIX_FMT_GBRP:
s->bg_color[0] = 0;
s->bg_color[1] = 0;
s->bg_color[2] = 0;
break;
default:
s->bg_color[0] = 0;
s->bg_color[1] = s->size / 2 - 1;
s->bg_color[2] = s->size / 2 - 1;
}
s->hsub = desc->log2_chroma_w;
s->vsub = desc->log2_chroma_h;
s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
s->planeheight[0] = s->planeheight[3] = inlink->h;
s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
s->planewidth[0] = s->planewidth[3] = inlink->w;
return 0;
}
static av_cold void uninit(AVFilterContext *ctx)
{
VectorscopeContext *s = ctx->priv;
av_freep(&s->peak);
av_freep(&s->peak_memory);
}
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_vectorscope = {
.name = "vectorscope",
.description = NULL_IF_CONFIG_SMALL("Video vectorscope."),
.priv_size = sizeof(VectorscopeContext),
.priv_class = &vectorscope_class,
.query_formats = query_formats,
.uninit = uninit,
.inputs = inputs,
.outputs = outputs,
};