libavfilter/vf_colorize.c - manifest_repos/ffmpeg - Git at Google

 /*
  * 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/opt.h"
 #include "libavutil/imgutils.h"
 #include "avfilter.h"
 #include "formats.h"
 #include "internal.h"
 #include "video.h"

 typedef struct ColorizeContext {
     const AVClass *class;

     float hue;
     float saturation;
     float lightness;
     float mix;

     int depth;
     int c[3];
     int planewidth[4];
     int planeheight[4];

     int (*do_plane_slice[2])(AVFilterContext *s, void *arg,
                              int jobnr, int nb_jobs);
 } ColorizeContext;

 static inline float lerpf(float v0, float v1, float f)
 {
     return v0 + (v1 - v0) * f;
 }

 static int colorizey_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 {
     ColorizeContext *s = ctx->priv;
     AVFrame *frame = arg;
     const int width = s->planewidth[0];
     const int height = s->planeheight[0];
     const int slice_start = (height * jobnr) / nb_jobs;
     const int slice_end = (height * (jobnr + 1)) / nb_jobs;
     const int ylinesize = frame->linesize[0];
     uint8_t *yptr = frame->data[0] + slice_start * ylinesize;
     const int yv = s->c[0];
     const float mix = s->mix;

     for (int y = slice_start; y < slice_end; y++) {
         for (int x = 0; x < width; x++)
             yptr[x] = lerpf(yv, yptr[x], mix);

         yptr += ylinesize;
     }

     return 0;
 }

 static int colorizey_slice16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 {
     ColorizeContext *s = ctx->priv;
     AVFrame *frame = arg;
     const int width = s->planewidth[0];
     const int height = s->planeheight[0];
     const int slice_start = (height * jobnr) / nb_jobs;
     const int slice_end = (height * (jobnr + 1)) / nb_jobs;
     const int ylinesize = frame->linesize[0] / 2;
     uint16_t *yptr = (uint16_t *)frame->data[0] + slice_start * ylinesize;
     const int yv = s->c[0];
     const float mix = s->mix;

     for (int y = slice_start; y < slice_end; y++) {
         for (int x = 0; x < width; x++)
             yptr[x] = lerpf(yv, yptr[x], mix);

         yptr += ylinesize;
     }

     return 0;
 }

 static int colorize_slice8(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 {
     ColorizeContext *s = ctx->priv;
     AVFrame *frame = arg;
     const int width = s->planewidth[1];
     const int height = s->planeheight[1];
     const int slice_start = (height * jobnr) / nb_jobs;
     const int slice_end = (height * (jobnr + 1)) / nb_jobs;
     const int ulinesize = frame->linesize[1];
     const int vlinesize = frame->linesize[2];
     uint8_t *uptr = frame->data[1] + slice_start * ulinesize;
     uint8_t *vptr = frame->data[2] + slice_start * vlinesize;
     const int u = s->c[1];
     const int v = s->c[2];

     for (int y = slice_start; y < slice_end; y++) {
         for (int x = 0; x < width; x++) {
             uptr[x] = u;
             vptr[x] = v;
         }

         uptr += ulinesize;
         vptr += vlinesize;
     }

     return 0;
 }

 static int colorize_slice16(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 {
     ColorizeContext *s = ctx->priv;
     AVFrame *frame = arg;
     const int width = s->planewidth[1];
     const int height = s->planeheight[1];
     const int slice_start = (height * jobnr) / nb_jobs;
     const int slice_end = (height * (jobnr + 1)) / nb_jobs;
     const int ulinesize = frame->linesize[1] / 2;
     const int vlinesize = frame->linesize[2] / 2;
     uint16_t *uptr = (uint16_t *)frame->data[1] + slice_start * ulinesize;
     uint16_t *vptr = (uint16_t *)frame->data[2] + slice_start * vlinesize;
     const int u = s->c[1];
     const int v = s->c[2];

     for (int y = slice_start; y < slice_end; y++) {
         for (int x = 0; x < width; x++) {
             uptr[x] = u;
             vptr[x] = v;
         }

         uptr += ulinesize;
         vptr += vlinesize;
     }

     return 0;
 }

 static int do_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
 {
     ColorizeContext *s = ctx->priv;

     s->do_plane_slice[0](ctx, arg, jobnr, nb_jobs);
     s->do_plane_slice[1](ctx, arg, jobnr, nb_jobs);

     return 0;
 }

 static float hue2rgb(float p, float q, float t)
 {
     if (t < 0.f) t += 1.f;
     if (t > 1.f) t -= 1.f;
     if (t < 1.f/6.f) return p + (q - p) * 6.f * t;
     if (t < 1.f/2.f) return q;
     if (t < 2.f/3.f) return p + (q - p) * (2.f/3.f - t) * 6.f;

     return p;
 }

 static void hsl2rgb(float h, float s, float l, float *r, float *g, float *b)
 {
     h /= 360.f;

     if (s == 0.f) {
         *r = *g = *b = l;
     } else {
         const float q = l < 0.5f ? l * (1.f + s) : l + s - l * s;
         const float p = 2.f * l - q;

         *r = hue2rgb(p, q, h + 1.f / 3.f);
         *g = hue2rgb(p, q, h);
         *b = hue2rgb(p, q, h - 1.f / 3.f);
     }
 }

 static void rgb2yuv(float r, float g, float b, int *y, int *u, int *v, int depth)
 {
     *y = ((0.21260*219.0/255.0) * r + (0.71520*219.0/255.0) * g +
          (0.07220*219.0/255.0) * b) * ((1 << depth) - 1);
     *u = (-(0.11457*224.0/255.0) * r - (0.38543*224.0/255.0) * g +
          (0.50000*224.0/255.0) * b + 0.5) * ((1 << depth) - 1);
     *v = ((0.50000*224.0/255.0) * r - (0.45415*224.0/255.0) * g -
          (0.04585*224.0/255.0) * b + 0.5) * ((1 << depth) - 1);
 }

 static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
 {
     AVFilterContext *ctx = inlink->dst;
     ColorizeContext *s = ctx->priv;
     float c[3];

     hsl2rgb(s->hue, s->saturation, s->lightness, &c[0], &c[1], &c[2]);
     rgb2yuv(c[0], c[1], c[2], &s->c[0], &s->c[1], &s->c[2], s->depth);

     ctx->internal->execute(ctx, do_slice, frame, NULL,
                            FFMIN(s->planeheight[1], ff_filter_get_nb_threads(ctx)));

     return ff_filter_frame(ctx->outputs[0], frame);
 }

 static av_cold int query_formats(AVFilterContext *ctx)
 {
     static const enum AVPixelFormat pixel_fmts[] = {
         AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
         AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
         AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
         AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
         AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P,
         AV_PIX_FMT_YUVJ411P,
         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_YUV440P10,
         AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV420P12,
         AV_PIX_FMT_YUV440P12,
         AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14,
         AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
         AV_PIX_FMT_YUVA420P,  AV_PIX_FMT_YUVA422P,   AV_PIX_FMT_YUVA444P,
         AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA444P16,
         AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA422P16,
         AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
         AV_PIX_FMT_NONE
     };

     AVFilterFormats *formats = NULL;

     formats = ff_make_format_list(pixel_fmts);
     if (!formats)
         return AVERROR(ENOMEM);

     return ff_set_common_formats(ctx, formats);
 }

 static av_cold int config_input(AVFilterLink *inlink)
 {
     AVFilterContext *ctx = inlink->dst;
     ColorizeContext *s = ctx->priv;
     const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
     int depth;

     s->depth = depth = desc->comp[0].depth;

     s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
     s->planewidth[0] = s->planewidth[3] = inlink->w;
     s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
     s->planeheight[0] = s->planeheight[3] = inlink->h;

     s->do_plane_slice[0] = depth <= 8 ? colorizey_slice8 : colorizey_slice16;
     s->do_plane_slice[1] = depth <= 8 ? colorize_slice8 : colorize_slice16;

     return 0;
 }

 static const AVFilterPad colorize_inputs[] = {
     {
         .name           = "default",
         .type           = AVMEDIA_TYPE_VIDEO,
         .needs_writable = 1,
         .filter_frame   = filter_frame,
         .config_props   = config_input,
     },
     { NULL }
 };

 static const AVFilterPad colorize_outputs[] = {
     {
         .name = "default",
         .type = AVMEDIA_TYPE_VIDEO,
     },
     { NULL }
 };

 #define OFFSET(x) offsetof(ColorizeContext, x)
 #define VF AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

 static const AVOption colorize_options[] = {
     { "hue",        "set the hue",                     OFFSET(hue),        AV_OPT_TYPE_FLOAT, {.dbl=0},  0, 360, VF },
     { "saturation", "set the saturation",              OFFSET(saturation), AV_OPT_TYPE_FLOAT, {.dbl=0.5},0,   1, VF },
     { "lightness",  "set the lightness",               OFFSET(lightness),  AV_OPT_TYPE_FLOAT, {.dbl=0.5},0,   1, VF },
     { "mix",        "set the mix of source lightness", OFFSET(mix),        AV_OPT_TYPE_FLOAT, {.dbl=1},  0,   1, VF },
     { NULL }
 };

 AVFILTER_DEFINE_CLASS(colorize);

 AVFilter ff_vf_colorize = {
     .name          = "colorize",
     .description   = NULL_IF_CONFIG_SMALL("Overlay a solid color on the video stream."),
     .priv_size     = sizeof(ColorizeContext),
     .priv_class    = &colorize_class,
     .query_formats = query_formats,
     .inputs        = colorize_inputs,
     .outputs       = colorize_outputs,
     .flags         = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
     .process_command = ff_filter_process_command,
 };
	/*
	* 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/opt.h"
	#include "libavutil/imgutils.h"
	#include "avfilter.h"
	#include "formats.h"
	#include "internal.h"
	#include "video.h"

	typedef struct ColorizeContext {
	const AVClass *class;

	float hue;
	float saturation;
	float lightness;
	float mix;

	int depth;
	int c[3];
	int planewidth[4];
	int planeheight[4];

	int (do_plane_slice[2])(AVFilterContext s, void *arg,
	int jobnr, int nb_jobs);
	} ColorizeContext;

	static inline float lerpf(float v0, float v1, float f)
	{
	return v0 + (v1 - v0) * f;
	}

	static int colorizey_slice8(AVFilterContext ctx, void arg, int jobnr, int nb_jobs)
	{
	ColorizeContext *s = ctx->priv;
	AVFrame *frame = arg;
	const int width = s->planewidth[0];
	const int height = s->planeheight[0];
	const int slice_start = (height * jobnr) / nb_jobs;
	const int slice_end = (height * (jobnr + 1)) / nb_jobs;
	const int ylinesize = frame->linesize[0];
	uint8_t yptr = frame->data[0] + slice_start ylinesize;
	const int yv = s->c[0];
	const float mix = s->mix;

	for (int y = slice_start; y < slice_end; y++) {
	for (int x = 0; x < width; x++)
	yptr[x] = lerpf(yv, yptr[x], mix);

	yptr += ylinesize;
	}

	return 0;
	}

	static int colorizey_slice16(AVFilterContext ctx, void arg, int jobnr, int nb_jobs)
	{
	ColorizeContext *s = ctx->priv;
	AVFrame *frame = arg;
	const int width = s->planewidth[0];
	const int height = s->planeheight[0];
	const int slice_start = (height * jobnr) / nb_jobs;
	const int slice_end = (height * (jobnr + 1)) / nb_jobs;
	const int ylinesize = frame->linesize[0] / 2;
	uint16_t yptr = (uint16_t )frame->data[0] + slice_start * ylinesize;
	const int yv = s->c[0];
	const float mix = s->mix;

	for (int y = slice_start; y < slice_end; y++) {
	for (int x = 0; x < width; x++)
	yptr[x] = lerpf(yv, yptr[x], mix);

	yptr += ylinesize;
	}

	return 0;
	}

	static int colorize_slice8(AVFilterContext ctx, void arg, int jobnr, int nb_jobs)
	{
	ColorizeContext *s = ctx->priv;
	AVFrame *frame = arg;
	const int width = s->planewidth[1];
	const int height = s->planeheight[1];
	const int slice_start = (height * jobnr) / nb_jobs;
	const int slice_end = (height * (jobnr + 1)) / nb_jobs;
	const int ulinesize = frame->linesize[1];
	const int vlinesize = frame->linesize[2];
	uint8_t uptr = frame->data[1] + slice_start ulinesize;
	uint8_t vptr = frame->data[2] + slice_start vlinesize;
	const int u = s->c[1];
	const int v = s->c[2];

	for (int y = slice_start; y < slice_end; y++) {
	for (int x = 0; x < width; x++) {
	uptr[x] = u;
	vptr[x] = v;
	}

	uptr += ulinesize;
	vptr += vlinesize;
	}

	return 0;
	}

	static int colorize_slice16(AVFilterContext ctx, void arg, int jobnr, int nb_jobs)
	{
	ColorizeContext *s = ctx->priv;
	AVFrame *frame = arg;
	const int width = s->planewidth[1];
	const int height = s->planeheight[1];
	const int slice_start = (height * jobnr) / nb_jobs;
	const int slice_end = (height * (jobnr + 1)) / nb_jobs;
	const int ulinesize = frame->linesize[1] / 2;
	const int vlinesize = frame->linesize[2] / 2;
	uint16_t uptr = (uint16_t )frame->data[1] + slice_start * ulinesize;
	uint16_t vptr = (uint16_t )frame->data[2] + slice_start * vlinesize;
	const int u = s->c[1];
	const int v = s->c[2];

	for (int y = slice_start; y < slice_end; y++) {
	for (int x = 0; x < width; x++) {
	uptr[x] = u;
	vptr[x] = v;
	}

	uptr += ulinesize;
	vptr += vlinesize;
	}

	return 0;
	}

	static int do_slice(AVFilterContext ctx, void arg, int jobnr, int nb_jobs)
	{
	ColorizeContext *s = ctx->priv;

	s->do_plane_slice[0](ctx, arg, jobnr, nb_jobs);
	s->do_plane_slice[1](ctx, arg, jobnr, nb_jobs);

	return 0;
	}

	static float hue2rgb(float p, float q, float t)
	{
	if (t < 0.f) t += 1.f;
	if (t > 1.f) t -= 1.f;
	if (t < 1.f/6.f) return p + (q - p) * 6.f * t;
	if (t < 1.f/2.f) return q;
	if (t < 2.f/3.f) return p + (q - p) * (2.f/3.f - t) * 6.f;

	return p;
	}

	static void hsl2rgb(float h, float s, float l, float r, float g, float *b)
	{
	h /= 360.f;

	if (s == 0.f) {
	r = g = *b = l;
	} else {
	const float q = l < 0.5f ? l * (1.f + s) : l + s - l * s;
	const float p = 2.f * l - q;

	*r = hue2rgb(p, q, h + 1.f / 3.f);
	*g = hue2rgb(p, q, h);
	*b = hue2rgb(p, q, h - 1.f / 3.f);
	}
	}

	static void rgb2yuv(float r, float g, float b, int y, int u, int *v, int depth)
	{
	y = ((0.21260219.0/255.0) * r + (0.71520219.0/255.0) g +
	(0.07220219.0/255.0) b) * ((1 << depth) - 1);
	u = (-(0.11457224.0/255.0) * r - (0.38543224.0/255.0) g +
	(0.50000224.0/255.0) b + 0.5) * ((1 << depth) - 1);
	v = ((0.50000224.0/255.0) * r - (0.45415224.0/255.0) g -
	(0.04585224.0/255.0) b + 0.5) * ((1 << depth) - 1);
	}

	static int filter_frame(AVFilterLink inlink, AVFrame frame)
	{
	AVFilterContext *ctx = inlink->dst;
	ColorizeContext *s = ctx->priv;
	float c[3];

	hsl2rgb(s->hue, s->saturation, s->lightness, &c[0], &c[1], &c[2]);
	rgb2yuv(c[0], c[1], c[2], &s->c[0], &s->c[1], &s->c[2], s->depth);

	ctx->internal->execute(ctx, do_slice, frame, NULL,
	FFMIN(s->planeheight[1], ff_filter_get_nb_threads(ctx)));

	return ff_filter_frame(ctx->outputs[0], frame);
	}

	static av_cold int query_formats(AVFilterContext *ctx)
	{
	static const enum AVPixelFormat pixel_fmts[] = {
	AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
	AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
	AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
	AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
	AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P,
	AV_PIX_FMT_YUVJ411P,
	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_YUV440P10,
	AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV420P12,
	AV_PIX_FMT_YUV440P12,
	AV_PIX_FMT_YUV444P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV420P14,
	AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
	AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
	AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA444P16,
	AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA422P16,
	AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA420P16,
	AV_PIX_FMT_NONE
	};

	AVFilterFormats *formats = NULL;

	formats = ff_make_format_list(pixel_fmts);
	if (!formats)
	return AVERROR(ENOMEM);

	return ff_set_common_formats(ctx, formats);
	}

	static av_cold int config_input(AVFilterLink *inlink)
	{
	AVFilterContext *ctx = inlink->dst;
	ColorizeContext *s = ctx->priv;
	const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
	int depth;

	s->depth = depth = desc->comp[0].depth;

	s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
	s->planewidth[0] = s->planewidth[3] = inlink->w;
	s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
	s->planeheight[0] = s->planeheight[3] = inlink->h;

	s->do_plane_slice[0] = depth <= 8 ? colorizey_slice8 : colorizey_slice16;
	s->do_plane_slice[1] = depth <= 8 ? colorize_slice8 : colorize_slice16;

	return 0;
	}

	static const AVFilterPad colorize_inputs[] = {
	{
	.name = "default",
	.type = AVMEDIA_TYPE_VIDEO,
	.needs_writable = 1,
	.filter_frame = filter_frame,
	.config_props = config_input,
	},
	{ NULL }
	};

	static const AVFilterPad colorize_outputs[] = {
	{
	.name = "default",
	.type = AVMEDIA_TYPE_VIDEO,
	},
	{ NULL }
	};

	#define OFFSET(x) offsetof(ColorizeContext, x)
	#define VF AV_OPT_FLAG_FILTERING_PARAM\|AV_OPT_FLAG_VIDEO_PARAM\|AV_OPT_FLAG_RUNTIME_PARAM

	static const AVOption colorize_options[] = {
	{ "hue", "set the hue", OFFSET(hue), AV_OPT_TYPE_FLOAT, {.dbl=0}, 0, 360, VF },
	{ "saturation", "set the saturation", OFFSET(saturation), AV_OPT_TYPE_FLOAT, {.dbl=0.5},0, 1, VF },
	{ "lightness", "set the lightness", OFFSET(lightness), AV_OPT_TYPE_FLOAT, {.dbl=0.5},0, 1, VF },
	{ "mix", "set the mix of source lightness", OFFSET(mix), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 1, VF },
	{ NULL }
	};

	AVFILTER_DEFINE_CLASS(colorize);

	AVFilter ff_vf_colorize = {
	.name = "colorize",
	.description = NULL_IF_CONFIG_SMALL("Overlay a solid color on the video stream."),
	.priv_size = sizeof(ColorizeContext),
	.priv_class = &colorize_class,
	.query_formats = query_formats,
	.inputs = colorize_inputs,
	.outputs = colorize_outputs,
	.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC \| AVFILTER_FLAG_SLICE_THREADS,
	.process_command = ff_filter_process_command,
	};