/*
- * Copyright (c) 2012-2013 Paul B Mahol
+ * Copyright (c) 2012-2019 Paul B Mahol
*
* This file is part of FFmpeg.
*
*/
#include "libavutil/avassert.h"
+#include "libavutil/colorspace.h"
#include "libavutil/opt.h"
#include "libavutil/parseutils.h"
#include "libavutil/pixdesc.h"
typedef struct HistogramContext {
const AVClass *class; ///< AVClass context for log and options purpose
+ int thistogram;
+ int envelope;
+ int slide;
unsigned histogram[256*256];
int histogram_size;
+ int width;
+ int x_pos;
int mult;
int ncomp;
int dncomp;
uint8_t bg_color[4];
uint8_t fg_color[4];
+ uint8_t envelope_rgba[4];
+ uint8_t envelope_color[4];
int level_height;
int scale_height;
int display_mode;
float bgopacity;
int planewidth[4];
int planeheight[4];
+ int start[4];
+ AVFrame *out;
} HistogramContext;
#define OFFSET(x) offsetof(HistogramContext, x)
#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
+#define COMMON_OPTIONS \
+ { "display_mode", "set display mode", OFFSET(display_mode), AV_OPT_TYPE_INT, {.i64=2}, 0, 2, FLAGS, "display_mode"}, \
+ { "d", "set display mode", OFFSET(display_mode), AV_OPT_TYPE_INT, {.i64=2}, 0, 2, FLAGS, "display_mode"}, \
+ { "overlay", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "display_mode" }, \
+ { "parade", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "display_mode" }, \
+ { "stack", NULL, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "display_mode" }, \
+ { "levels_mode", "set levels mode", OFFSET(levels_mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "levels_mode"}, \
+ { "m", "set levels mode", OFFSET(levels_mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "levels_mode"}, \
+ { "linear", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "levels_mode" }, \
+ { "logarithmic", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "levels_mode" }, \
+ { "components", "set color components to display", OFFSET(components), AV_OPT_TYPE_INT, {.i64=7}, 1, 15, FLAGS}, \
+ { "c", "set color components to display", OFFSET(components), AV_OPT_TYPE_INT, {.i64=7}, 1, 15, FLAGS},
+
static const AVOption histogram_options[] = {
{ "level_height", "set level height", OFFSET(level_height), AV_OPT_TYPE_INT, {.i64=200}, 50, 2048, FLAGS},
{ "scale_height", "set scale height", OFFSET(scale_height), AV_OPT_TYPE_INT, {.i64=12}, 0, 40, FLAGS},
- { "display_mode", "set display mode", OFFSET(display_mode), AV_OPT_TYPE_INT, {.i64=2}, 0, 2, FLAGS, "display_mode"},
- { "d", "set display mode", OFFSET(display_mode), AV_OPT_TYPE_INT, {.i64=2}, 0, 2, FLAGS, "display_mode"},
- { "overlay", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "display_mode" },
- { "parade", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "display_mode" },
- { "stack", NULL, 0, AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "display_mode" },
- { "levels_mode", "set levels mode", OFFSET(levels_mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "levels_mode"},
- { "m", "set levels mode", OFFSET(levels_mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "levels_mode"},
- { "linear", NULL, 0, AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "levels_mode" },
- { "logarithmic", NULL, 0, AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "levels_mode" },
- { "components", "set color components to display", OFFSET(components), AV_OPT_TYPE_INT, {.i64=7}, 1, 15, FLAGS},
- { "c", "set color components to display", OFFSET(components), AV_OPT_TYPE_INT, {.i64=7}, 1, 15, FLAGS},
+ COMMON_OPTIONS
{ "fgopacity", "set foreground opacity", OFFSET(fgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.7}, 0, 1, FLAGS},
{ "f", "set foreground opacity", OFFSET(fgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.7}, 0, 1, FLAGS},
{ "bgopacity", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.5}, 0, 1, FLAGS},
AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
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_YUVA422P12, AV_PIX_FMT_YUVA444P12,
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,
};
static const enum AVPixelFormat levels_out_yuv12_pix_fmts[] = {
- AV_PIX_FMT_YUV444P12,
+ AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUV444P12,
AV_PIX_FMT_NONE
};
int rgb, i, bits;
int ret;
- if (!ctx->inputs[0]->in_formats ||
- !ctx->inputs[0]->in_formats->nb_formats) {
+ if (!ctx->inputs[0]->incfg.formats ||
+ !ctx->inputs[0]->incfg.formats->nb_formats) {
return AVERROR(EAGAIN);
}
- if (!ctx->inputs[0]->out_formats)
- if ((ret = ff_formats_ref(ff_make_format_list(levels_in_pix_fmts), &ctx->inputs[0]->out_formats)) < 0)
+ if (!ctx->inputs[0]->outcfg.formats)
+ if ((ret = ff_formats_ref(ff_make_format_list(levels_in_pix_fmts), &ctx->inputs[0]->outcfg.formats)) < 0)
return ret;
- avff = ctx->inputs[0]->in_formats;
+ avff = ctx->inputs[0]->incfg.formats;
desc = av_pix_fmt_desc_get(avff->formats[0]);
rgb = desc->flags & AV_PIX_FMT_FLAG_RGB;
bits = desc->comp[0].depth;
out_pix_fmts = levels_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)
+ if ((ret = ff_formats_ref(ff_make_format_list(out_pix_fmts), &ctx->outputs[0]->incfg.formats)) < 0)
return ret;
return 0;
static int config_input(AVFilterLink *inlink)
{
- HistogramContext *h = inlink->dst->priv;
+ HistogramContext *s = inlink->dst->priv;
- h->desc = av_pix_fmt_desc_get(inlink->format);
- h->ncomp = h->desc->nb_components;
- h->histogram_size = 1 << h->desc->comp[0].depth;
- h->mult = h->histogram_size / 256;
+ s->desc = av_pix_fmt_desc_get(inlink->format);
+ s->ncomp = s->desc->nb_components;
+ s->histogram_size = 1 << s->desc->comp[0].depth;
+ s->mult = s->histogram_size / 256;
switch (inlink->format) {
case AV_PIX_FMT_GBRAP12:
case AV_PIX_FMT_GBRP9:
case AV_PIX_FMT_GBRAP:
case AV_PIX_FMT_GBRP:
- memcpy(h->bg_color, black_gbrp_color, 4);
- memcpy(h->fg_color, white_gbrp_color, 4);
+ memcpy(s->bg_color, black_gbrp_color, 4);
+ memcpy(s->fg_color, white_gbrp_color, 4);
+ s->start[0] = s->start[1] = s->start[2] = s->start[3] = 0;
+ memcpy(s->envelope_color, s->envelope_rgba, 4);
break;
default:
- memcpy(h->bg_color, black_yuva_color, 4);
- memcpy(h->fg_color, white_yuva_color, 4);
+ memcpy(s->bg_color, black_yuva_color, 4);
+ memcpy(s->fg_color, white_yuva_color, 4);
+ s->start[0] = s->start[3] = 0;
+ s->start[1] = s->start[2] = s->histogram_size / 2;
+ s->envelope_color[0] = RGB_TO_Y_BT709(s->envelope_rgba[0], s->envelope_rgba[1], s->envelope_rgba[2]);
+ s->envelope_color[1] = RGB_TO_U_BT709(s->envelope_rgba[0], s->envelope_rgba[1], s->envelope_rgba[2], 0);
+ s->envelope_color[2] = RGB_TO_V_BT709(s->envelope_rgba[0], s->envelope_rgba[1], s->envelope_rgba[2], 0);
+ s->envelope_color[3] = s->envelope_rgba[3];
}
- h->fg_color[3] = h->fgopacity * 255;
- h->bg_color[3] = h->bgopacity * 255;
+ s->fg_color[3] = s->fgopacity * 255;
+ s->bg_color[3] = s->bgopacity * 255;
- h->planeheight[1] = h->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, h->desc->log2_chroma_h);
- h->planeheight[0] = h->planeheight[3] = inlink->h;
- h->planewidth[1] = h->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, h->desc->log2_chroma_w);
- h->planewidth[0] = h->planewidth[3] = inlink->w;
+ s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, s->desc->log2_chroma_h);
+ s->planeheight[0] = s->planeheight[3] = inlink->h;
+ s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, s->desc->log2_chroma_w);
+ s->planewidth[0] = s->planewidth[3] = inlink->w;
return 0;
}
static int config_output(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
- HistogramContext *h = ctx->priv;
+ HistogramContext *s = ctx->priv;
int ncomp = 0, i;
- for (i = 0; i < h->ncomp; i++) {
- if ((1 << i) & h->components)
+ if (!strcmp(ctx->filter->name, "thistogram"))
+ s->thistogram = 1;
+
+ for (i = 0; i < s->ncomp; i++) {
+ if ((1 << i) & s->components)
ncomp++;
}
- outlink->w = h->histogram_size * FFMAX(ncomp * (h->display_mode == 1), 1);
- outlink->h = (h->level_height + h->scale_height) * FFMAX(ncomp * (h->display_mode == 2), 1);
- h->odesc = av_pix_fmt_desc_get(outlink->format);
- h->dncomp = h->odesc->nb_components;
+ if (s->thistogram) {
+ if (!s->width)
+ s->width = ctx->inputs[0]->w;
+ outlink->w = s->width * FFMAX(ncomp * (s->display_mode == 1), 1);
+ outlink->h = s->histogram_size * FFMAX(ncomp * (s->display_mode == 2), 1);
+ } else {
+ outlink->w = s->histogram_size * FFMAX(ncomp * (s->display_mode == 1), 1);
+ outlink->h = (s->level_height + s->scale_height) * FFMAX(ncomp * (s->display_mode == 2), 1);
+ }
+
+ s->odesc = av_pix_fmt_desc_get(outlink->format);
+ s->dncomp = s->odesc->nb_components;
outlink->sample_aspect_ratio = (AVRational){1,1};
return 0;
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
{
- HistogramContext *h = inlink->dst->priv;
+ HistogramContext *s = inlink->dst->priv;
AVFilterContext *ctx = inlink->dst;
AVFilterLink *outlink = ctx->outputs[0];
- AVFrame *out;
+ AVFrame *out = s->out;
int i, j, k, l, m;
- out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
- if (!out) {
- av_frame_free(&in);
- return AVERROR(ENOMEM);
- }
-
- out->pts = in->pts;
-
- for (k = 0; k < 4 && out->data[k]; k++) {
- const int is_chroma = (k == 1 || k == 2);
- const int dst_h = AV_CEIL_RSHIFT(outlink->h, (is_chroma ? h->odesc->log2_chroma_h : 0));
- const int dst_w = AV_CEIL_RSHIFT(outlink->w, (is_chroma ? h->odesc->log2_chroma_w : 0));
-
- if (h->histogram_size <= 256) {
- for (i = 0; i < dst_h ; i++)
- memset(out->data[h->odesc->comp[k].plane] +
- i * out->linesize[h->odesc->comp[k].plane],
- h->bg_color[k], dst_w);
- } else {
- const int mult = h->mult;
+ if (!s->thistogram || !out) {
+ out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+ if (!out) {
+ av_frame_free(&in);
+ return AVERROR(ENOMEM);
+ }
+ s->out = out;
+
+ for (k = 0; k < 4 && out->data[k]; k++) {
+ const int is_chroma = (k == 1 || k == 2);
+ const int dst_h = AV_CEIL_RSHIFT(outlink->h, (is_chroma ? s->odesc->log2_chroma_h : 0));
+ const int dst_w = AV_CEIL_RSHIFT(outlink->w, (is_chroma ? s->odesc->log2_chroma_w : 0));
+
+ if (s->histogram_size <= 256) {
+ for (i = 0; i < dst_h ; i++)
+ memset(out->data[s->odesc->comp[k].plane] +
+ i * out->linesize[s->odesc->comp[k].plane],
+ s->bg_color[k], dst_w);
+ } else {
+ const int mult = s->mult;
- for (i = 0; i < dst_h ; i++)
- for (j = 0; j < dst_w; j++)
- AV_WN16(out->data[h->odesc->comp[k].plane] +
- i * out->linesize[h->odesc->comp[k].plane] + j * 2,
- h->bg_color[k] * mult);
+ for (i = 0; i < dst_h ; i++)
+ for (j = 0; j < dst_w; j++)
+ AV_WN16(out->data[s->odesc->comp[k].plane] +
+ i * out->linesize[s->odesc->comp[k].plane] + j * 2,
+ s->bg_color[k] * mult);
+ }
}
}
- for (m = 0, k = 0; k < h->ncomp; k++) {
- const int p = h->desc->comp[k].plane;
- const int height = h->planeheight[p];
- const int width = h->planewidth[p];
+ for (m = 0, k = 0; k < s->ncomp; k++) {
+ const int p = s->desc->comp[k].plane;
+ const int max_value = s->histogram_size - 1 - s->start[p];
+ const int height = s->planeheight[p];
+ const int width = s->planewidth[p];
double max_hval_log;
unsigned max_hval = 0;
- int start, startx;
+ int starty, startx;
- if (!((1 << k) & h->components))
+ if (!((1 << k) & s->components))
continue;
- startx = m * h->histogram_size * (h->display_mode == 1);
- start = m++ * (h->level_height + h->scale_height) * (h->display_mode == 2);
+ if (s->thistogram) {
+ starty = m * s->histogram_size * (s->display_mode == 2);
+ startx = m++ * s->width * (s->display_mode == 1);
+ } else {
+ startx = m * s->histogram_size * (s->display_mode == 1);
+ starty = m++ * (s->level_height + s->scale_height) * (s->display_mode == 2);
+ }
- if (h->histogram_size <= 256) {
+ if (s->histogram_size <= 256) {
for (i = 0; i < height; i++) {
const uint8_t *src = in->data[p] + i * in->linesize[p];
for (j = 0; j < width; j++)
- h->histogram[src[j]]++;
+ s->histogram[src[j]]++;
}
} else {
for (i = 0; i < height; i++) {
const uint16_t *src = (const uint16_t *)(in->data[p] + i * in->linesize[p]);
for (j = 0; j < width; j++)
- h->histogram[src[j]]++;
+ s->histogram[src[j]]++;
}
}
- for (i = 0; i < h->histogram_size; i++)
- max_hval = FFMAX(max_hval, h->histogram[i]);
+ for (i = 0; i < s->histogram_size; i++)
+ max_hval = FFMAX(max_hval, s->histogram[i]);
max_hval_log = log2(max_hval + 1);
- for (i = 0; i < h->histogram_size; i++) {
- int col_height;
-
- if (h->levels_mode)
- col_height = lrint(h->level_height * (1. - (log2(h->histogram[i] + 1) / max_hval_log)));
- else
- col_height = h->level_height - (h->histogram[i] * (int64_t)h->level_height + max_hval - 1) / max_hval;
-
- if (h->histogram_size <= 256) {
- for (j = h->level_height - 1; j >= col_height; j--) {
- if (h->display_mode) {
- for (l = 0; l < h->dncomp; l++)
- out->data[l][(j + start) * out->linesize[l] + startx + i] = h->fg_color[l];
- } else {
- out->data[p][(j + start) * out->linesize[p] + startx + i] = 255;
+ if (s->thistogram) {
+ const int bpp = 1 + (s->histogram_size > 256);
+ int minh = s->histogram_size - 1, maxh = 0;
+
+ if (s->slide == 2) {
+ s->x_pos = out->width - 1;
+ for (j = 0; j < outlink->h; j++) {
+ memmove(out->data[p] + j * out->linesize[p] ,
+ out->data[p] + j * out->linesize[p] + bpp,
+ (outlink->w - 1) * bpp);
+ }
+ } else if (s->slide == 3) {
+ s->x_pos = 0;
+ for (j = 0; j < outlink->h; j++) {
+ memmove(out->data[p] + j * out->linesize[p] + bpp,
+ out->data[p] + j * out->linesize[p],
+ (outlink->w - 1) * bpp);
+ }
+ }
+
+ for (int i = 0; i < s->histogram_size; i++) {
+ int idx = s->histogram_size - i - 1;
+ int value = s->start[p];
+
+ if (s->envelope && s->histogram[idx]) {
+ minh = FFMIN(minh, i);
+ maxh = FFMAX(maxh, i);
+ }
+
+ if (s->levels_mode)
+ value += lrint(max_value * (log2(s->histogram[idx] + 1) / max_hval_log));
+ else
+ value += lrint(max_value * s->histogram[idx] / (float)max_hval);
+
+ if (s->histogram_size <= 256) {
+ s->out->data[p][(i + starty) * s->out->linesize[p] + startx + s->x_pos] = value;
+ } else {
+ AV_WN16(s->out->data[p] + (i + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, value);
+ }
+ }
+
+ if (s->envelope) {
+ if (s->histogram_size <= 256) {
+ s->out->data[0][(minh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[0];
+ s->out->data[0][(maxh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[0];
+ if (s->dncomp >= 3) {
+ s->out->data[1][(minh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[1];
+ s->out->data[2][(minh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[2];
+ s->out->data[1][(maxh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[1];
+ s->out->data[2][(maxh + starty) * s->out->linesize[p] + startx + s->x_pos] = s->envelope_color[2];
+ }
+ } else {
+ const int mult = s->mult;
+
+ AV_WN16(s->out->data[0] + (minh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[0] * mult);
+ AV_WN16(s->out->data[0] + (maxh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[0] * mult);
+ if (s->dncomp >= 3) {
+ AV_WN16(s->out->data[1] + (minh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[1] * mult);
+ AV_WN16(s->out->data[2] + (minh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[2] * mult);
+ AV_WN16(s->out->data[1] + (maxh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[1] * mult);
+ AV_WN16(s->out->data[2] + (maxh + starty) * s->out->linesize[p] + startx * 2 + s->x_pos * 2, s->envelope_color[2] * mult);
}
}
- for (j = h->level_height + h->scale_height - 1; j >= h->level_height; j--)
- out->data[p][(j + start) * out->linesize[p] + startx + i] = i;
- } else {
- const int mult = h->mult;
-
- for (j = h->level_height - 1; j >= col_height; j--) {
- if (h->display_mode) {
- for (l = 0; l < h->dncomp; l++)
- AV_WN16(out->data[l] + (j + start) * out->linesize[l] + startx * 2 + i * 2, h->fg_color[l] * mult);
- } else {
- AV_WN16(out->data[p] + (j + start) * out->linesize[p] + startx * 2 + i * 2, 255 * mult);
+ }
+ } else {
+ for (i = 0; i < s->histogram_size; i++) {
+ int col_height;
+
+ if (s->levels_mode)
+ col_height = lrint(s->level_height * (1. - (log2(s->histogram[i] + 1) / max_hval_log)));
+ else
+ col_height = s->level_height - (s->histogram[i] * (int64_t)s->level_height + max_hval - 1) / max_hval;
+
+ if (s->histogram_size <= 256) {
+ for (j = s->level_height - 1; j >= col_height; j--) {
+ if (s->display_mode) {
+ for (l = 0; l < s->dncomp; l++)
+ out->data[l][(j + starty) * out->linesize[l] + startx + i] = s->fg_color[l];
+ } else {
+ out->data[p][(j + starty) * out->linesize[p] + startx + i] = 255;
+ }
}
+ for (j = s->level_height + s->scale_height - 1; j >= s->level_height; j--)
+ out->data[p][(j + starty) * out->linesize[p] + startx + i] = i;
+ } else {
+ const int mult = s->mult;
+
+ for (j = s->level_height - 1; j >= col_height; j--) {
+ if (s->display_mode) {
+ for (l = 0; l < s->dncomp; l++)
+ AV_WN16(out->data[l] + (j + starty) * out->linesize[l] + startx * 2 + i * 2, s->fg_color[l] * mult);
+ } else {
+ AV_WN16(out->data[p] + (j + starty) * out->linesize[p] + startx * 2 + i * 2, 255 * mult);
+ }
+ }
+ for (j = s->level_height + s->scale_height - 1; j >= s->level_height; j--)
+ AV_WN16(out->data[p] + (j + starty) * out->linesize[p] + startx * 2 + i * 2, i);
}
- for (j = h->level_height + h->scale_height - 1; j >= h->level_height; j--)
- AV_WN16(out->data[p] + (j + start) * out->linesize[p] + startx * 2 + i * 2, i);
}
}
- memset(h->histogram, 0, h->histogram_size * sizeof(unsigned));
+ memset(s->histogram, 0, s->histogram_size * sizeof(unsigned));
}
+ out->pts = in->pts;
av_frame_free(&in);
+ s->x_pos++;
+ if (s->x_pos >= s->width) {
+ s->x_pos = 0;
+ if (s->thistogram && (s->slide == 4 || s->slide == 0)) {
+ s->out = NULL;
+ goto end;
+ }
+ } else if (s->thistogram && s->slide == 4) {
+ return 0;
+ }
+
+ if (s->thistogram) {
+ AVFrame *clone = av_frame_clone(out);
+
+ if (!clone)
+ return AVERROR(ENOMEM);
+ return ff_filter_frame(outlink, clone);
+ }
+end:
return ff_filter_frame(outlink, out);
}
{ NULL }
};
-AVFilter ff_vf_histogram = {
+#if CONFIG_HISTOGRAM_FILTER
+
+const AVFilter ff_vf_histogram = {
.name = "histogram",
.description = NULL_IF_CONFIG_SMALL("Compute and draw a histogram."),
.priv_size = sizeof(HistogramContext),
.outputs = outputs,
.priv_class = &histogram_class,
};
+
+#endif /* CONFIG_HISTOGRAM_FILTER */
+
+#if CONFIG_THISTOGRAM_FILTER
+
+static av_cold void uninit(AVFilterContext *ctx)
+{
+ HistogramContext *s = ctx->priv;
+
+ av_frame_free(&s->out);
+}
+
+static const AVOption thistogram_options[] = {
+ { "width", "set width", OFFSET(width), AV_OPT_TYPE_INT, {.i64=0}, 0, 8192, FLAGS},
+ { "w", "set width", OFFSET(width), AV_OPT_TYPE_INT, {.i64=0}, 0, 8192, FLAGS},
+ COMMON_OPTIONS
+ { "bgopacity", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.9}, 0, 1, FLAGS},
+ { "b", "set background opacity", OFFSET(bgopacity), AV_OPT_TYPE_FLOAT, {.dbl=0.9}, 0, 1, FLAGS},
+ { "envelope", "display envelope", OFFSET(envelope), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
+ { "e", "display envelope", OFFSET(envelope), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
+ { "ecolor", "set envelope color", OFFSET(envelope_rgba), AV_OPT_TYPE_COLOR, {.str="gold"}, 0, 0, FLAGS },
+ { "ec", "set envelope color", OFFSET(envelope_rgba), AV_OPT_TYPE_COLOR, {.str="gold"}, 0, 0, FLAGS },
+ { "slide", "set slide mode", OFFSET(slide), AV_OPT_TYPE_INT, {.i64=1}, 0, 4, FLAGS, "slide" },
+ {"frame", "draw new frames", OFFSET(slide), AV_OPT_TYPE_CONST, {.i64=0}, 0, 0, FLAGS, "slide"},
+ {"replace", "replace old columns with new", OFFSET(slide), AV_OPT_TYPE_CONST, {.i64=1}, 0, 0, FLAGS, "slide"},
+ {"scroll", "scroll from right to left", OFFSET(slide), AV_OPT_TYPE_CONST, {.i64=2}, 0, 0, FLAGS, "slide"},
+ {"rscroll", "scroll from left to right", OFFSET(slide), AV_OPT_TYPE_CONST, {.i64=3}, 0, 0, FLAGS, "slide"},
+ {"picture", "display graph in single frame", OFFSET(slide), AV_OPT_TYPE_CONST, {.i64=4}, 0, 0, FLAGS, "slide"},
+ { NULL }
+};
+
+AVFILTER_DEFINE_CLASS(thistogram);
+
+const AVFilter ff_vf_thistogram = {
+ .name = "thistogram",
+ .description = NULL_IF_CONFIG_SMALL("Compute and draw a temporal histogram."),
+ .priv_size = sizeof(HistogramContext),
+ .query_formats = query_formats,
+ .inputs = inputs,
+ .outputs = outputs,
+ .uninit = uninit,
+ .priv_class = &thistogram_class,
+};
+
+#endif /* CONFIG_THISTOGRAM_FILTER */
projects / ffmpeg / blobdiff