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FFmpeg/libavfilter/vsrc_testsrc.c
Paul B Mahol 39f22df6cd avfilter/vsrc_testsrc: fix typo for yellow patch
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/*
* Copyright (c) 2007 Nicolas George <nicolas.george@normalesup.org>
* Copyright (c) 2011 Stefano Sabatini
* Copyright (c) 2012 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
*/
/**
* @file
* Misc test sources.
*
* testsrc is based on the test pattern generator demuxer by Nicolas George:
* http://lists.ffmpeg.org/pipermail/ffmpeg-devel/2007-October/037845.html
*
* rgbtestsrc is ported from MPlayer libmpcodecs/vf_rgbtest.c by
* Michael Niedermayer.
*
* allyuv, smptebars and smptehdbars are by Paul B Mahol.
*/
#include "config_components.h"
#include <float.h>
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/ffmath.h"
#include "libavutil/opt.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/parseutils.h"
#include "libavutil/xga_font_data.h"
#include "avfilter.h"
#include "drawutils.h"
#include "filters.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
typedef struct TestSourceContext {
const AVClass *class;
int w, h;
int pw, ph;
unsigned int nb_frame;
AVRational time_base, frame_rate;
int64_t pts;
int64_t duration; ///< duration expressed in microseconds
AVRational sar; ///< sample aspect ratio
int draw_once; ///< draw only the first frame, always put out the same picture
int draw_once_reset; ///< draw only the first frame or in case of reset
AVFrame *picref; ///< cached reference containing the painted picture
void (* fill_picture_fn)(AVFilterContext *ctx, AVFrame *frame);
/* only used by testsrc */
int nb_decimals;
/* only used by testsrc2 */
int alpha;
/* only used by colorspectrum */
int type;
/* only used by color */
FFDrawContext draw;
FFDrawColor color;
uint8_t color_rgba[4];
/* only used by rgbtest */
uint8_t rgba_map[4];
int complement;
int depth;
/* only used by haldclut */
int level;
} TestSourceContext;
#define OFFSET(x) offsetof(TestSourceContext, x)
#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
#define FLAGSR AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM
#define SIZE_OPTIONS \
{ "size", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\
{ "s", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\
#define COMMON_OPTIONS_NOSIZE \
{ "rate", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS },\
{ "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, INT_MAX, FLAGS },\
{ "duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
{ "d", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
{ "sar", "set video sample aspect ratio", OFFSET(sar), AV_OPT_TYPE_RATIONAL, {.dbl= 1}, 0, INT_MAX, FLAGS },
#define COMMON_OPTIONS SIZE_OPTIONS COMMON_OPTIONS_NOSIZE
#define NOSIZE_OPTIONS_OFFSET 2
/* Filters using COMMON_OPTIONS_NOSIZE also use the following options
* via &options[NOSIZE_OPTIONS_OFFSET]. So don't break it. */
static const AVOption options[] = {
COMMON_OPTIONS
{ NULL }
};
static av_cold int init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
test->time_base = av_inv_q(test->frame_rate);
test->nb_frame = 0;
test->pts = 0;
av_log(ctx, AV_LOG_VERBOSE, "size:%dx%d rate:%d/%d duration:%f sar:%d/%d\n",
test->w, test->h, test->frame_rate.num, test->frame_rate.den,
test->duration < 0 ? -1 : (double)test->duration/1000000,
test->sar.num, test->sar.den);
return 0;
}
static av_cold void uninit(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
av_frame_free(&test->picref);
}
static int config_props(AVFilterLink *outlink)
{
TestSourceContext *test = outlink->src->priv;
outlink->w = test->w;
outlink->h = test->h;
outlink->sample_aspect_ratio = test->sar;
outlink->frame_rate = test->frame_rate;
outlink->time_base = test->time_base;
return 0;
}
static int activate(AVFilterContext *ctx)
{
AVFilterLink *outlink = ctx->outputs[0];
TestSourceContext *test = ctx->priv;
AVFrame *frame;
if (!ff_outlink_frame_wanted(outlink))
return FFERROR_NOT_READY;
if (test->duration >= 0 &&
av_rescale_q(test->pts, test->time_base, AV_TIME_BASE_Q) >= test->duration) {
ff_outlink_set_status(outlink, AVERROR_EOF, test->pts);
return 0;
}
if (test->draw_once) {
if (test->draw_once_reset) {
av_frame_free(&test->picref);
test->draw_once_reset = 0;
}
if (!test->picref) {
test->picref =
ff_get_video_buffer(outlink, test->w, test->h);
if (!test->picref)
return AVERROR(ENOMEM);
test->fill_picture_fn(outlink->src, test->picref);
}
frame = av_frame_clone(test->picref);
} else
frame = ff_get_video_buffer(outlink, test->w, test->h);
if (!frame)
return AVERROR(ENOMEM);
frame->pts = test->pts;
frame->key_frame = 1;
frame->interlaced_frame = 0;
frame->pict_type = AV_PICTURE_TYPE_I;
frame->sample_aspect_ratio = test->sar;
if (!test->draw_once)
test->fill_picture_fn(outlink->src, frame);
test->pts++;
test->nb_frame++;
return ff_filter_frame(outlink, frame);
}
#if CONFIG_COLOR_FILTER
static const AVOption color_options[] = {
{ "color", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, 0, 0, FLAGSR },
{ "c", "set color", OFFSET(color_rgba), AV_OPT_TYPE_COLOR, {.str = "black"}, 0, 0, FLAGSR },
COMMON_OPTIONS
{ NULL }
};
AVFILTER_DEFINE_CLASS(color);
static void color_fill_picture(AVFilterContext *ctx, AVFrame *picref)
{
TestSourceContext *test = ctx->priv;
ff_fill_rectangle(&test->draw, &test->color,
picref->data, picref->linesize,
0, 0, test->w, test->h);
}
static av_cold int color_init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
test->fill_picture_fn = color_fill_picture;
test->draw_once = 1;
return init(ctx);
}
static int color_query_formats(AVFilterContext *ctx)
{
return ff_set_common_formats(ctx, ff_draw_supported_pixel_formats(0));
}
static int color_config_props(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->src;
TestSourceContext *test = ctx->priv;
int ret;
ff_draw_init(&test->draw, inlink->format, 0);
ff_draw_color(&test->draw, &test->color, test->color_rgba);
test->w = ff_draw_round_to_sub(&test->draw, 0, -1, test->w);
test->h = ff_draw_round_to_sub(&test->draw, 1, -1, test->h);
if (av_image_check_size(test->w, test->h, 0, ctx) < 0)
return AVERROR(EINVAL);
if ((ret = config_props(inlink)) < 0)
return ret;
return 0;
}
static int color_process_command(AVFilterContext *ctx, const char *cmd, const char *args,
char *res, int res_len, int flags)
{
TestSourceContext *test = ctx->priv;
int ret;
ret = ff_filter_process_command(ctx, cmd, args, res, res_len, flags);
if (ret < 0)
return ret;
ff_draw_color(&test->draw, &test->color, test->color_rgba);
test->draw_once_reset = 1;
return 0;
}
static const AVFilterPad color_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = color_config_props,
},
};
const AVFilter ff_vsrc_color = {
.name = "color",
.description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input."),
.priv_class = &color_class,
.priv_size = sizeof(TestSourceContext),
.init = color_init,
.uninit = uninit,
.activate = activate,
.inputs = NULL,
FILTER_OUTPUTS(color_outputs),
FILTER_QUERY_FUNC(color_query_formats),
.process_command = color_process_command,
};
#endif /* CONFIG_COLOR_FILTER */
#if CONFIG_HALDCLUTSRC_FILTER
static const AVOption haldclutsrc_options[] = {
{ "level", "set level", OFFSET(level), AV_OPT_TYPE_INT, {.i64 = 6}, 2, 16, FLAGS },
COMMON_OPTIONS_NOSIZE
{ NULL }
};
AVFILTER_DEFINE_CLASS(haldclutsrc);
static void haldclutsrc_fill_picture(AVFilterContext *ctx, AVFrame *frame)
{
int i, j, k, x = 0, y = 0, is16bit = 0, step;
uint32_t alpha = 0;
const TestSourceContext *hc = ctx->priv;
int level = hc->level;
float scale;
const int w = frame->width;
const int h = frame->height;
const uint8_t *data = frame->data[0];
const int linesize = frame->linesize[0];
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
const int depth = desc->comp[0].depth;
const int planar = desc->flags & AV_PIX_FMT_FLAG_PLANAR;
const int planes = av_pix_fmt_count_planes(frame->format);
uint8_t rgba_map[4];
av_assert0(w == h && w == level*level*level);
ff_fill_rgba_map(rgba_map, frame->format);
alpha = (1 << depth) - 1;
is16bit = depth > 8;
step = av_get_padded_bits_per_pixel(desc) >> (3 + is16bit);
scale = ((float)alpha) / (level*level - 1);
#define LOAD_CLUT(nbits) do { \
uint##nbits##_t *dst = ((uint##nbits##_t *)(data + y*linesize)) + x*step; \
dst[rgba_map[0]] = av_clip_uint##nbits(i * scale); \
dst[rgba_map[1]] = av_clip_uint##nbits(j * scale); \
dst[rgba_map[2]] = av_clip_uint##nbits(k * scale); \
if (step == 4) \
dst[rgba_map[3]] = alpha; \
} while (0)
#define LOAD_CLUT_PLANAR(type, nbits) do { \
type *dst = ((type *)(frame->data[2] + y*frame->linesize[2])) + x; \
dst[0] = av_clip_uintp2(i * scale, nbits); \
dst = ((type *)(frame->data[0] + y*frame->linesize[0])) + x; \
dst[0] = av_clip_uintp2(j * scale, nbits); \
dst = ((type *)(frame->data[1] + y*frame->linesize[1])) + x; \
dst[0] = av_clip_uintp2(k * scale, nbits); \
if (planes == 4) { \
dst = ((type *)(frame->data[3] + y*linesize)) + x; \
dst[0] = alpha; \
} \
} while (0)
level *= level;
for (k = 0; k < level; k++) {
for (j = 0; j < level; j++) {
for (i = 0; i < level; i++) {
if (!planar) {
if (!is16bit)
LOAD_CLUT(8);
else
LOAD_CLUT(16);
} else {
switch (depth) {
case 8: LOAD_CLUT_PLANAR(uint8_t, 8); break;
case 9: LOAD_CLUT_PLANAR(uint16_t, 9); break;
case 10: LOAD_CLUT_PLANAR(uint16_t,10); break;
case 12: LOAD_CLUT_PLANAR(uint16_t,12); break;
case 14: LOAD_CLUT_PLANAR(uint16_t,14); break;
case 16: LOAD_CLUT_PLANAR(uint16_t,16); break;
}
}
if (++x == w) {
x = 0;
y++;
}
}
}
}
}
static av_cold int haldclutsrc_init(AVFilterContext *ctx)
{
TestSourceContext *hc = ctx->priv;
hc->fill_picture_fn = haldclutsrc_fill_picture;
hc->draw_once = 1;
return init(ctx);
}
static const enum AVPixelFormat haldclutsrc_pix_fmts[] = {
AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA,
AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
AV_PIX_FMT_0RGB, AV_PIX_FMT_0BGR,
AV_PIX_FMT_RGB0, AV_PIX_FMT_BGR0,
AV_PIX_FMT_RGB48, AV_PIX_FMT_BGR48,
AV_PIX_FMT_RGBA64, AV_PIX_FMT_BGRA64,
AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
AV_PIX_FMT_GBRP9,
AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10,
AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12,
AV_PIX_FMT_GBRP14,
AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16,
AV_PIX_FMT_NONE,
};
static int haldclutsrc_config_props(AVFilterLink *outlink)
{
AVFilterContext *ctx = outlink->src;
TestSourceContext *hc = ctx->priv;
hc->w = hc->h = hc->level * hc->level * hc->level;
return config_props(outlink);
}
static const AVFilterPad haldclutsrc_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = haldclutsrc_config_props,
},
};
const AVFilter ff_vsrc_haldclutsrc = {
.name = "haldclutsrc",
.description = NULL_IF_CONFIG_SMALL("Provide an identity Hald CLUT."),
.priv_class = &haldclutsrc_class,
.priv_size = sizeof(TestSourceContext),
.init = haldclutsrc_init,
.uninit = uninit,
.activate = activate,
.inputs = NULL,
FILTER_OUTPUTS(haldclutsrc_outputs),
FILTER_PIXFMTS_ARRAY(haldclutsrc_pix_fmts),
};
#endif /* CONFIG_HALDCLUTSRC_FILTER */
AVFILTER_DEFINE_CLASS_EXT(nullsrc_yuvtestsrc, "nullsrc/yuvtestsrc", options);
#if CONFIG_NULLSRC_FILTER
static void nullsrc_fill_picture(AVFilterContext *ctx, AVFrame *picref) { }
static av_cold int nullsrc_init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
test->fill_picture_fn = nullsrc_fill_picture;
return init(ctx);
}
static const AVFilterPad nullsrc_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_props,
},
};
const AVFilter ff_vsrc_nullsrc = {
.name = "nullsrc",
.description = NULL_IF_CONFIG_SMALL("Null video source, return unprocessed video frames."),
.priv_class = &nullsrc_yuvtestsrc_class,
.init = nullsrc_init,
.uninit = uninit,
.activate = activate,
.priv_size = sizeof(TestSourceContext),
.inputs = NULL,
FILTER_OUTPUTS(nullsrc_outputs),
};
#endif /* CONFIG_NULLSRC_FILTER */
#if CONFIG_TESTSRC_FILTER
static const AVOption testsrc_options[] = {
COMMON_OPTIONS
{ "decimals", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, 0, 17, FLAGS },
{ "n", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, 0, 17, FLAGS },
{ NULL }
};
AVFILTER_DEFINE_CLASS(testsrc);
/**
* Fill a rectangle with value val.
*
* @param val the RGB value to set
* @param dst pointer to the destination buffer to fill
* @param dst_linesize linesize of destination
* @param segment_width width of the segment
* @param x horizontal coordinate where to draw the rectangle in the destination buffer
* @param y horizontal coordinate where to draw the rectangle in the destination buffer
* @param w width of the rectangle to draw, expressed as a number of segment_width units
* @param h height of the rectangle to draw, expressed as a number of segment_width units
*/
static void draw_rectangle(unsigned val, uint8_t *dst, int dst_linesize, int segment_width,
int x, int y, int w, int h)
{
int i;
int step = 3;
dst += segment_width * (step * x + y * dst_linesize);
w *= segment_width * step;
h *= segment_width;
for (i = 0; i < h; i++) {
memset(dst, val, w);
dst += dst_linesize;
}
}
static void draw_digit(int digit, uint8_t *dst, int dst_linesize,
int segment_width)
{
#define TOP_HBAR 1
#define MID_HBAR 2
#define BOT_HBAR 4
#define LEFT_TOP_VBAR 8
#define LEFT_BOT_VBAR 16
#define RIGHT_TOP_VBAR 32
#define RIGHT_BOT_VBAR 64
struct segments {
int x, y, w, h;
} segments[] = {
{ 1, 0, 5, 1 }, /* TOP_HBAR */
{ 1, 6, 5, 1 }, /* MID_HBAR */
{ 1, 12, 5, 1 }, /* BOT_HBAR */
{ 0, 1, 1, 5 }, /* LEFT_TOP_VBAR */
{ 0, 7, 1, 5 }, /* LEFT_BOT_VBAR */
{ 6, 1, 1, 5 }, /* RIGHT_TOP_VBAR */
{ 6, 7, 1, 5 } /* RIGHT_BOT_VBAR */
};
static const unsigned char masks[10] = {
/* 0 */ TOP_HBAR |BOT_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
/* 1 */ RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
/* 2 */ TOP_HBAR|MID_HBAR|BOT_HBAR|LEFT_BOT_VBAR |RIGHT_TOP_VBAR,
/* 3 */ TOP_HBAR|MID_HBAR|BOT_HBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
/* 4 */ MID_HBAR |LEFT_TOP_VBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
/* 5 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR |RIGHT_BOT_VBAR,
/* 6 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR |RIGHT_BOT_VBAR,
/* 7 */ TOP_HBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
/* 8 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
/* 9 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
};
unsigned mask = masks[digit];
int i;
draw_rectangle(0, dst, dst_linesize, segment_width, 0, 0, 8, 13);
for (i = 0; i < FF_ARRAY_ELEMS(segments); i++)
if (mask & (1<<i))
draw_rectangle(255, dst, dst_linesize, segment_width,
segments[i].x, segments[i].y, segments[i].w, segments[i].h);
}
#define GRADIENT_SIZE (6 * 256)
static void test_fill_picture(AVFilterContext *ctx, AVFrame *frame)
{
TestSourceContext *test = ctx->priv;
uint8_t *p, *p0;
int x, y;
int color, color_rest;
int icolor;
int radius;
int quad0, quad;
int dquad_x, dquad_y;
int grad, dgrad, rgrad, drgrad;
int seg_size;
int second;
int i;
uint8_t *data = frame->data[0];
int width = frame->width;
int height = frame->height;
/* draw colored bars and circle */
radius = (width + height) / 4;
quad0 = width * width / 4 + height * height / 4 - radius * radius;
dquad_y = 1 - height;
p0 = data;
for (y = 0; y < height; y++) {
p = p0;
color = 0;
color_rest = 0;
quad = quad0;
dquad_x = 1 - width;
for (x = 0; x < width; x++) {
icolor = color;
if (quad < 0)
icolor ^= 7;
quad += dquad_x;
dquad_x += 2;
*(p++) = icolor & 1 ? 255 : 0;
*(p++) = icolor & 2 ? 255 : 0;
*(p++) = icolor & 4 ? 255 : 0;
color_rest += 8;
if (color_rest >= width) {
color_rest -= width;
color++;
}
}
quad0 += dquad_y;
dquad_y += 2;
p0 += frame->linesize[0];
}
/* draw sliding color line */
p0 = p = data + frame->linesize[0] * (height * 3/4);
grad = (256 * test->nb_frame * test->time_base.num / test->time_base.den) %
GRADIENT_SIZE;
rgrad = 0;
dgrad = GRADIENT_SIZE / width;
drgrad = GRADIENT_SIZE % width;
for (x = 0; x < width; x++) {
*(p++) =
grad < 256 || grad >= 5 * 256 ? 255 :
grad >= 2 * 256 && grad < 4 * 256 ? 0 :
grad < 2 * 256 ? 2 * 256 - 1 - grad : grad - 4 * 256;
*(p++) =
grad >= 4 * 256 ? 0 :
grad >= 1 * 256 && grad < 3 * 256 ? 255 :
grad < 1 * 256 ? grad : 4 * 256 - 1 - grad;
*(p++) =
grad < 2 * 256 ? 0 :
grad >= 3 * 256 && grad < 5 * 256 ? 255 :
grad < 3 * 256 ? grad - 2 * 256 : 6 * 256 - 1 - grad;
grad += dgrad;
rgrad += drgrad;
if (rgrad >= GRADIENT_SIZE) {
grad++;
rgrad -= GRADIENT_SIZE;
}
if (grad >= GRADIENT_SIZE)
grad -= GRADIENT_SIZE;
}
p = p0;
for (y = height / 8; y > 0; y--) {
memcpy(p+frame->linesize[0], p, 3 * width);
p += frame->linesize[0];
}
/* draw digits */
seg_size = width / 80;
if (seg_size >= 1 && height >= 13 * seg_size) {
int64_t p10decimals = 1;
double time = av_q2d(test->time_base) * test->nb_frame *
ff_exp10(test->nb_decimals);
if (time >= INT_MAX)
return;
for (x = 0; x < test->nb_decimals; x++)
p10decimals *= 10;
second = av_rescale_rnd(test->nb_frame * test->time_base.num, p10decimals, test->time_base.den, AV_ROUND_ZERO);
x = width - (width - seg_size * 64) / 2;
y = (height - seg_size * 13) / 2;
p = data + (x*3 + y * frame->linesize[0]);
for (i = 0; i < 8; i++) {
p -= 3 * 8 * seg_size;
draw_digit(second % 10, p, frame->linesize[0], seg_size);
second /= 10;
if (second == 0)
break;
}
}
}
static av_cold int test_init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
test->fill_picture_fn = test_fill_picture;
return init(ctx);
}
static const AVFilterPad avfilter_vsrc_testsrc_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_props,
},
};
const AVFilter ff_vsrc_testsrc = {
.name = "testsrc",
.description = NULL_IF_CONFIG_SMALL("Generate test pattern."),
.priv_size = sizeof(TestSourceContext),
.priv_class = &testsrc_class,
.init = test_init,
.uninit = uninit,
.activate = activate,
.inputs = NULL,
FILTER_OUTPUTS(avfilter_vsrc_testsrc_outputs),
FILTER_SINGLE_PIXFMT(AV_PIX_FMT_RGB24),
};
#endif /* CONFIG_TESTSRC_FILTER */
#if CONFIG_TESTSRC2_FILTER
static const AVOption testsrc2_options[] = {
COMMON_OPTIONS
{ "alpha", "set global alpha (opacity)", OFFSET(alpha), AV_OPT_TYPE_INT, {.i64 = 255}, 0, 255, FLAGS },
{ NULL }
};
AVFILTER_DEFINE_CLASS(testsrc2);
static void set_color(TestSourceContext *s, FFDrawColor *color, uint32_t argb)
{
uint8_t rgba[4] = { (argb >> 16) & 0xFF,
(argb >> 8) & 0xFF,
(argb >> 0) & 0xFF,
(argb >> 24) & 0xFF, };
ff_draw_color(&s->draw, color, rgba);
}
static uint32_t color_gradient(unsigned index)
{
unsigned si = index & 0xFF, sd = 0xFF - si;
switch (index >> 8) {
case 0: return 0xFF0000 + (si << 8);
case 1: return 0x00FF00 + (sd << 16);
case 2: return 0x00FF00 + (si << 0);
case 3: return 0x0000FF + (sd << 8);
case 4: return 0x0000FF + (si << 16);
case 5: return 0xFF0000 + (sd << 0);
default: av_assert0(0); return 0;
}
}
static void draw_text(TestSourceContext *s, AVFrame *frame, FFDrawColor *color,
int x0, int y0, const uint8_t *text)
{
int x = x0;
for (; *text; text++) {
if (*text == '\n') {
x = x0;
y0 += 16;
continue;
}
ff_blend_mask(&s->draw, color, frame->data, frame->linesize,
frame->width, frame->height,
avpriv_vga16_font + *text * 16, 1, 8, 16, 0, 0, x, y0);
x += 8;
}
}
static void test2_fill_picture(AVFilterContext *ctx, AVFrame *frame)
{
TestSourceContext *s = ctx->priv;
FFDrawColor color;
unsigned alpha = (uint32_t)s->alpha << 24;
/* colored background */
{
unsigned i, x = 0, x2;
x = 0;
for (i = 1; i < 7; i++) {
x2 = av_rescale(i, s->w, 6);
x2 = ff_draw_round_to_sub(&s->draw, 0, 0, x2);
set_color(s, &color, ((i & 1) ? 0xFF0000 : 0) |
((i & 2) ? 0x00FF00 : 0) |
((i & 4) ? 0x0000FF : 0) |
alpha);
ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
x, 0, x2 - x, frame->height);
x = x2;
}
}
/* oblique gradient */
/* note: too slow if using blending */
if (s->h >= 64) {
unsigned x, dx, y0, y, g0, g;
dx = ff_draw_round_to_sub(&s->draw, 0, +1, 1);
y0 = av_rescale_q(s->pts, s->time_base, av_make_q(2, s->h - 16));
g0 = av_rescale_q(s->pts, s->time_base, av_make_q(1, 128));
for (x = 0; x < s->w; x += dx) {
g = (av_rescale(x, 6 * 256, s->w) + g0) % (6 * 256);
set_color(s, &color, color_gradient(g) | alpha);
y = y0 + av_rescale(x, s->h / 2, s->w);
y %= 2 * (s->h - 16);
if (y > s->h - 16)
y = 2 * (s->h - 16) - y;
y = ff_draw_round_to_sub(&s->draw, 1, 0, y);
ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
x, y, dx, 16);
}
}
/* top right: draw clock hands */
if (s->w >= 64 && s->h >= 64) {
int l = (FFMIN(s->w, s->h) - 32) >> 1;
int steps = FFMAX(4, l >> 5);
int xc = (s->w >> 2) + (s->w >> 1);
int yc = (s->h >> 2);
int cycle = l << 2;
int pos, xh, yh;
int c, i;
for (c = 0; c < 3; c++) {
set_color(s, &color, (0xBBBBBB ^ (0xFF << (c << 3))) | alpha);
pos = av_rescale_q(s->pts, s->time_base, av_make_q(64 >> (c << 1), cycle)) % cycle;
xh = pos < 1 * l ? pos :
pos < 2 * l ? l :
pos < 3 * l ? 3 * l - pos : 0;
yh = pos < 1 * l ? 0 :
pos < 2 * l ? pos - l :
pos < 3 * l ? l :
cycle - pos;
xh -= l >> 1;
yh -= l >> 1;
for (i = 1; i <= steps; i++) {
int x = av_rescale(xh, i, steps) + xc;
int y = av_rescale(yh, i, steps) + yc;
x = ff_draw_round_to_sub(&s->draw, 0, -1, x);
y = ff_draw_round_to_sub(&s->draw, 1, -1, y);
ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
x, y, 8, 8);
}
}
}
/* bottom left: beating rectangles */
if (s->w >= 64 && s->h >= 64) {
int l = (FFMIN(s->w, s->h) - 16) >> 2;
int cycle = l << 3;
int xc = (s->w >> 2);
int yc = (s->h >> 2) + (s->h >> 1);
int xm1 = ff_draw_round_to_sub(&s->draw, 0, -1, xc - 8);
int xm2 = ff_draw_round_to_sub(&s->draw, 0, +1, xc + 8);
int ym1 = ff_draw_round_to_sub(&s->draw, 1, -1, yc - 8);
int ym2 = ff_draw_round_to_sub(&s->draw, 1, +1, yc + 8);
int size, step, x1, x2, y1, y2;
size = av_rescale_q(s->pts, s->time_base, av_make_q(4, cycle));
step = size / l;
size %= l;
if (step & 1)
size = l - size;
step = (step >> 1) & 3;
set_color(s, &color, 0xFF808080);
x1 = ff_draw_round_to_sub(&s->draw, 0, -1, xc - 4 - size);
x2 = ff_draw_round_to_sub(&s->draw, 0, +1, xc + 4 + size);
y1 = ff_draw_round_to_sub(&s->draw, 1, -1, yc - 4 - size);
y2 = ff_draw_round_to_sub(&s->draw, 1, +1, yc + 4 + size);
if (step == 0 || step == 2)
ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
x1, ym1, x2 - x1, ym2 - ym1);
if (step == 1 || step == 2)
ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
xm1, y1, xm2 - xm1, y2 - y1);
if (step == 3)
ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
x1, y1, x2 - x1, y2 - y1);
}
/* bottom right: checker with random noise */
{
unsigned xmin = av_rescale(5, s->w, 8);
unsigned xmax = av_rescale(7, s->w, 8);
unsigned ymin = av_rescale(5, s->h, 8);
unsigned ymax = av_rescale(7, s->h, 8);
unsigned x, y, i, r;
uint8_t alpha[256];
r = s->pts;
for (y = ymin; y + 15 < ymax; y += 16) {
for (x = xmin; x + 15 < xmax; x += 16) {
if ((x ^ y) & 16)
continue;
for (i = 0; i < 256; i++) {
r = r * 1664525 + 1013904223;
alpha[i] = r >> 24;
}
set_color(s, &color, 0xFF00FF80);
ff_blend_mask(&s->draw, &color, frame->data, frame->linesize,
frame->width, frame->height,
alpha, 16, 16, 16, 3, 0, x, y);
}
}
}
/* bouncing square */
if (s->w >= 16 && s->h >= 16) {
unsigned w = s->w - 8;
unsigned h = s->h - 8;
unsigned x = av_rescale_q(s->pts, s->time_base, av_make_q(233, 55 * w)) % (w << 1);
unsigned y = av_rescale_q(s->pts, s->time_base, av_make_q(233, 89 * h)) % (h << 1);
if (x > w)
x = (w << 1) - x;
if (y > h)
y = (h << 1) - y;
x = ff_draw_round_to_sub(&s->draw, 0, -1, x);
y = ff_draw_round_to_sub(&s->draw, 1, -1, y);
set_color(s, &color, 0xFF8000FF);
ff_fill_rectangle(&s->draw, &color, frame->data, frame->linesize,
x, y, 8, 8);
}
/* top right: draw frame time and frame number */
{
char buf[256];
unsigned time;
time = av_rescale_q(s->pts, s->time_base, av_make_q(1, 1000)) % 86400000;
set_color(s, &color, 0xC0000000);
ff_blend_rectangle(&s->draw, &color, frame->data, frame->linesize,
frame->width, frame->height,
2, 2, 100, 36);
set_color(s, &color, 0xFFFF8000);
snprintf(buf, sizeof(buf), "%02d:%02d:%02d.%03d\n%12"PRIi64,
time / 3600000, (time / 60000) % 60, (time / 1000) % 60,
time % 1000, s->pts);
draw_text(s, frame, &color, 4, 4, buf);
}
}
static av_cold int test2_init(AVFilterContext *ctx)
{
TestSourceContext *s = ctx->priv;
s->fill_picture_fn = test2_fill_picture;
return init(ctx);
}
static int test2_query_formats(AVFilterContext *ctx)
{
return ff_set_common_formats(ctx, ff_draw_supported_pixel_formats(0));
}
static int test2_config_props(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->src;
TestSourceContext *s = ctx->priv;
av_assert0(ff_draw_init(&s->draw, inlink->format, 0) >= 0);
s->w = ff_draw_round_to_sub(&s->draw, 0, -1, s->w);
s->h = ff_draw_round_to_sub(&s->draw, 1, -1, s->h);
if (av_image_check_size(s->w, s->h, 0, ctx) < 0)
return AVERROR(EINVAL);
return config_props(inlink);
}
static const AVFilterPad avfilter_vsrc_testsrc2_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = test2_config_props,
},
};
const AVFilter ff_vsrc_testsrc2 = {
.name = "testsrc2",
.description = NULL_IF_CONFIG_SMALL("Generate another test pattern."),
.priv_size = sizeof(TestSourceContext),
.priv_class = &testsrc2_class,
.init = test2_init,
.uninit = uninit,
.activate = activate,
.inputs = NULL,
FILTER_OUTPUTS(avfilter_vsrc_testsrc2_outputs),
FILTER_QUERY_FUNC(test2_query_formats),
};
#endif /* CONFIG_TESTSRC2_FILTER */
#if CONFIG_RGBTESTSRC_FILTER
static const AVOption rgbtestsrc_options[] = {
COMMON_OPTIONS
{ "complement", "set complement colors", OFFSET(complement), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
{ "co", "set complement colors", OFFSET(complement), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS },
{ NULL }
};
AVFILTER_DEFINE_CLASS(rgbtestsrc);
#define R 0
#define G 1
#define B 2
#define A 3
static void rgbtest_put_pixel(uint8_t *dstp[4], int dst_linesizep[4],
int x, int y, unsigned r, unsigned g, unsigned b, enum AVPixelFormat fmt,
uint8_t rgba_map[4])
{
uint8_t *dst = dstp[0];
int dst_linesize = dst_linesizep[0];
uint32_t v;
uint8_t *p;
uint16_t *p16;
switch (fmt) {
case AV_PIX_FMT_BGR444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r >> 4) << 8) | ((g >> 4) << 4) | (b >> 4); break;
case AV_PIX_FMT_RGB444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b >> 4) << 8) | ((g >> 4) << 4) | (r >> 4); break;
case AV_PIX_FMT_BGR555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<10) | ((g>>3)<<5) | (b>>3); break;
case AV_PIX_FMT_RGB555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<10) | ((g>>3)<<5) | (r>>3); break;
case AV_PIX_FMT_BGR565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<11) | ((g>>2)<<5) | (b>>3); break;
case AV_PIX_FMT_RGB565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<11) | ((g>>2)<<5) | (r>>3); break;
case AV_PIX_FMT_RGB24:
case AV_PIX_FMT_BGR24:
v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8));
p = dst + 3*x + y*dst_linesize;
AV_WL24(p, v);
break;
case AV_PIX_FMT_RGBA:
case AV_PIX_FMT_BGRA:
case AV_PIX_FMT_ARGB:
case AV_PIX_FMT_ABGR:
v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8)) + (255U << (rgba_map[A]*8));
p = dst + 4*x + y*dst_linesize;
AV_WL32(p, v);
break;
case AV_PIX_FMT_GBRP:
p = dstp[0] + x + y * dst_linesizep[0];
p[0] = g;
p = dstp[1] + x + y * dst_linesizep[1];
p[0] = b;
p = dstp[2] + x + y * dst_linesizep[2];
p[0] = r;
break;
case AV_PIX_FMT_GBRP9:
case AV_PIX_FMT_GBRP10:
case AV_PIX_FMT_GBRP12:
case AV_PIX_FMT_GBRP14:
case AV_PIX_FMT_GBRP16:
p16 = (uint16_t *)(dstp[0] + x*2 + y * dst_linesizep[0]);
p16[0] = g;
p16 = (uint16_t *)(dstp[1] + x*2 + y * dst_linesizep[1]);
p16[0] = b;
p16 = (uint16_t *)(dstp[2] + x*2 + y * dst_linesizep[2]);
p16[0] = r;
break;
}
}
static void rgbtest_fill_picture_complement(AVFilterContext *ctx, AVFrame *frame)
{
TestSourceContext *test = ctx->priv;
int x, y, w = frame->width, h = frame->height;
for (y = 0; y < h; y++) {
for (x = 0; x < w; x++) {
int c = (1 << FFMAX(test->depth, 8))*x/w;
int r = 0, g = 0, b = 0;
if (6*y < h ) r = c;
else if (6*y < 2*h) g = c, b = c;
else if (6*y < 3*h) g = c;
else if (6*y < 4*h) r = c, b = c;
else if (6*y < 5*h) b = c;
else r = c, g = c;
rgbtest_put_pixel(frame->data, frame->linesize, x, y, r, g, b,
ctx->outputs[0]->format, test->rgba_map);
}
}
}
static void rgbtest_fill_picture(AVFilterContext *ctx, AVFrame *frame)
{
TestSourceContext *test = ctx->priv;
int x, y, w = frame->width, h = frame->height;
for (y = 0; y < h; y++) {
for (x = 0; x < w; x++) {
int c = (1 << FFMAX(test->depth, 8))*x/w;
int r = 0, g = 0, b = 0;
if (3*y < h ) r = c;
else if (3*y < 2*h) g = c;
else b = c;
rgbtest_put_pixel(frame->data, frame->linesize, x, y, r, g, b,
ctx->outputs[0]->format, test->rgba_map);
}
}
}
static av_cold int rgbtest_init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
test->draw_once = 1;
test->fill_picture_fn = test->complement ? rgbtest_fill_picture_complement : rgbtest_fill_picture;
return init(ctx);
}
static const enum AVPixelFormat rgbtest_pix_fmts[] = {
AV_PIX_FMT_RGBA, AV_PIX_FMT_ARGB, AV_PIX_FMT_BGRA, AV_PIX_FMT_ABGR,
AV_PIX_FMT_BGR24, AV_PIX_FMT_RGB24,
AV_PIX_FMT_RGB444, AV_PIX_FMT_BGR444,
AV_PIX_FMT_RGB565, AV_PIX_FMT_BGR565,
AV_PIX_FMT_RGB555, AV_PIX_FMT_BGR555,
AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
AV_PIX_FMT_NONE
};
static int rgbtest_config_props(AVFilterLink *outlink)
{
TestSourceContext *test = outlink->src->priv;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
test->depth = desc->comp[0].depth;
ff_fill_rgba_map(test->rgba_map, outlink->format);
return config_props(outlink);
}
static const AVFilterPad avfilter_vsrc_rgbtestsrc_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = rgbtest_config_props,
},
};
const AVFilter ff_vsrc_rgbtestsrc = {
.name = "rgbtestsrc",
.description = NULL_IF_CONFIG_SMALL("Generate RGB test pattern."),
.priv_size = sizeof(TestSourceContext),
.priv_class = &rgbtestsrc_class,
.init = rgbtest_init,
.uninit = uninit,
.activate = activate,
.inputs = NULL,
FILTER_OUTPUTS(avfilter_vsrc_rgbtestsrc_outputs),
FILTER_PIXFMTS_ARRAY(rgbtest_pix_fmts),
};
#endif /* CONFIG_RGBTESTSRC_FILTER */
#if CONFIG_YUVTESTSRC_FILTER
static void yuvtest_fill_picture8(AVFilterContext *ctx, AVFrame *frame)
{
int x, y, w = frame->width, h = frame->height / 3;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
const int factor = 1 << desc->comp[0].depth;
const int mid = 1 << (desc->comp[0].depth - 1);
uint8_t *ydst = frame->data[0];
uint8_t *udst = frame->data[1];
uint8_t *vdst = frame->data[2];
int ylinesize = frame->linesize[0];
int ulinesize = frame->linesize[1];
int vlinesize = frame->linesize[2];
for (y = 0; y < h; y++) {
for (x = 0; x < w; x++) {
int c = factor * x / w;
ydst[x] = c;
udst[x] = mid;
vdst[x] = mid;
}
ydst += ylinesize;
udst += ulinesize;
vdst += vlinesize;
}
h += h;
for (; y < h; y++) {
for (x = 0; x < w; x++) {
int c = factor * x / w;
ydst[x] = mid;
udst[x] = c;
vdst[x] = mid;
}
ydst += ylinesize;
udst += ulinesize;
vdst += vlinesize;
}
for (; y < frame->height; y++) {
for (x = 0; x < w; x++) {
int c = factor * x / w;
ydst[x] = mid;
udst[x] = mid;
vdst[x] = c;
}
ydst += ylinesize;
udst += ulinesize;
vdst += vlinesize;
}
}
static void yuvtest_fill_picture16(AVFilterContext *ctx, AVFrame *frame)
{
int x, y, w = frame->width, h = frame->height / 3;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
const int factor = 1 << desc->comp[0].depth;
const int mid = 1 << (desc->comp[0].depth - 1);
uint16_t *ydst = (uint16_t *)frame->data[0];
uint16_t *udst = (uint16_t *)frame->data[1];
uint16_t *vdst = (uint16_t *)frame->data[2];
int ylinesize = frame->linesize[0] / 2;
int ulinesize = frame->linesize[1] / 2;
int vlinesize = frame->linesize[2] / 2;
for (y = 0; y < h; y++) {
for (x = 0; x < w; x++) {
int c = factor * x / w;
ydst[x] = c;
udst[x] = mid;
vdst[x] = mid;
}
ydst += ylinesize;
udst += ulinesize;
vdst += vlinesize;
}
h += h;
for (; y < h; y++) {
for (x = 0; x < w; x++) {
int c = factor * x / w;
ydst[x] = mid;
udst[x] = c;
vdst[x] = mid;
}
ydst += ylinesize;
udst += ulinesize;
vdst += vlinesize;
}
for (; y < frame->height; y++) {
for (x = 0; x < w; x++) {
int c = factor * x / w;
ydst[x] = mid;
udst[x] = mid;
vdst[x] = c;
}
ydst += ylinesize;
udst += ulinesize;
vdst += vlinesize;
}
}
static av_cold int yuvtest_init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
test->draw_once = 1;
return init(ctx);
}
static const enum AVPixelFormat yuvtest_pix_fmts[] = {
AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P,
AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV444P10,
AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV444P14,
AV_PIX_FMT_YUV444P16,
AV_PIX_FMT_NONE
};
static int yuvtest_config_props(AVFilterLink *outlink)
{
TestSourceContext *test = outlink->src->priv;
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
test->fill_picture_fn = desc->comp[0].depth > 8 ? yuvtest_fill_picture16 : yuvtest_fill_picture8;
return config_props(outlink);
}
static const AVFilterPad avfilter_vsrc_yuvtestsrc_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = yuvtest_config_props,
},
};
const AVFilter ff_vsrc_yuvtestsrc = {
.name = "yuvtestsrc",
.description = NULL_IF_CONFIG_SMALL("Generate YUV test pattern."),
.priv_size = sizeof(TestSourceContext),
.priv_class = &nullsrc_yuvtestsrc_class,
.init = yuvtest_init,
.uninit = uninit,
.activate = activate,
.inputs = NULL,
FILTER_OUTPUTS(avfilter_vsrc_yuvtestsrc_outputs),
FILTER_PIXFMTS_ARRAY(yuvtest_pix_fmts),
};
#endif /* CONFIG_YUVTESTSRC_FILTER */
#if CONFIG_PAL75BARS_FILTER || CONFIG_PAL100BARS_FILTER || CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER
static const uint8_t rainbow[7][4] = {
{ 180, 128, 128, 255 }, /* 75% white */
{ 162, 44, 142, 255 }, /* 75% yellow */
{ 131, 156, 44, 255 }, /* 75% cyan */
{ 112, 72, 58, 255 }, /* 75% green */
{ 84, 184, 198, 255 }, /* 75% magenta */
{ 65, 100, 212, 255 }, /* 75% red */
{ 35, 212, 114, 255 }, /* 75% blue */
};
static const uint8_t rainbow100[7][4] = {
{ 235, 128, 128, 255 }, /* 100% white */
{ 210, 16, 146, 255 }, /* 100% yellow */
{ 170, 166, 16, 255 }, /* 100% cyan */
{ 145, 54, 34, 255 }, /* 100% green */
{ 106, 202, 222, 255 }, /* 100% magenta */
{ 81, 90, 240, 255 }, /* 100% red */
{ 41, 240, 110, 255 }, /* 100% blue */
};
static const uint8_t rainbowhd[7][4] = {
{ 180, 128, 128, 255 }, /* 75% white */
{ 168, 44, 136, 255 }, /* 75% yellow */
{ 145, 147, 44, 255 }, /* 75% cyan */
{ 133, 63, 52, 255 }, /* 75% green */
{ 63, 193, 204, 255 }, /* 75% magenta */
{ 51, 109, 212, 255 }, /* 75% red */
{ 28, 212, 120, 255 }, /* 75% blue */
};
static const uint8_t wobnair[7][4] = {
{ 35, 212, 114, 255 }, /* 75% blue */
{ 19, 128, 128, 255 }, /* 7.5% intensity black */
{ 84, 184, 198, 255 }, /* 75% magenta */
{ 19, 128, 128, 255 }, /* 7.5% intensity black */
{ 131, 156, 44, 255 }, /* 75% cyan */
{ 19, 128, 128, 255 }, /* 7.5% intensity black */
{ 180, 128, 128, 255 }, /* 75% white */
};
static const uint8_t white[4] = { 235, 128, 128, 255 };
/* pluge pulses */
static const uint8_t neg4ire[4] = { 7, 128, 128, 255 };
static const uint8_t pos4ire[4] = { 24, 128, 128, 255 };
/* fudged Q/-I */
static const uint8_t i_pixel[4] = { 57, 156, 97, 255 };
static const uint8_t q_pixel[4] = { 44, 171, 147, 255 };
static const uint8_t gray40[4] = { 104, 128, 128, 255 };
static const uint8_t gray15[4] = { 49, 128, 128, 255 };
static const uint8_t cyan[4] = { 188, 154, 16, 255 };
static const uint8_t yellow[4] = { 219, 16, 138, 255 };
static const uint8_t blue[4] = { 32, 240, 118, 255 };
static const uint8_t red[4] = { 63, 102, 240, 255 };
static const uint8_t black0[4] = { 16, 128, 128, 255 };
static const uint8_t black2[4] = { 20, 128, 128, 255 };
static const uint8_t black4[4] = { 25, 128, 128, 255 };
static const uint8_t neg2[4] = { 12, 128, 128, 255 };
static void draw_bar(TestSourceContext *test, const uint8_t color[4],
int x, int y, int w, int h,
AVFrame *frame)
{
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(frame->format);
uint8_t *p, *p0;
int plane;
x = FFMIN(x, test->w - 1);
y = FFMIN(y, test->h - 1);
w = FFMAX(FFMIN(w, test->w - x), 0);
h = FFMAX(FFMIN(h, test->h - y), 0);
av_assert0(x + w <= test->w);
av_assert0(y + h <= test->h);
for (plane = 0; frame->data[plane]; plane++) {
const int c = color[plane];
const int linesize = frame->linesize[plane];
int i, px, py, pw, ph;
if (plane == 1 || plane == 2) {
px = x >> desc->log2_chroma_w;
pw = AV_CEIL_RSHIFT(w, desc->log2_chroma_w);
py = y >> desc->log2_chroma_h;
ph = AV_CEIL_RSHIFT(h, desc->log2_chroma_h);
} else {
px = x;
pw = w;
py = y;
ph = h;
}
p0 = p = frame->data[plane] + py * linesize + px;
memset(p, c, pw);
p += linesize;
for (i = 1; i < ph; i++, p += linesize)
memcpy(p, p0, pw);
}
}
static const enum AVPixelFormat smptebars_pix_fmts[] = {
AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P,
AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P,
AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV411P,
AV_PIX_FMT_NONE,
};
static const AVFilterPad smptebars_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_props,
},
};
AVFILTER_DEFINE_CLASS_EXT(palbars, "pal(75|100)bars", options);
#if CONFIG_PAL75BARS_FILTER
static void pal75bars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
{
TestSourceContext *test = ctx->priv;
int r_w, i, x = 0;
const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
picref->color_range = AVCOL_RANGE_MPEG;
picref->colorspace = AVCOL_SPC_BT470BG;
r_w = FFALIGN((test->w + 7) / 8, 1 << pixdesc->log2_chroma_w);
draw_bar(test, white, x, 0, r_w, test->h, picref);
x += r_w;
for (i = 1; i < 7; i++) {
draw_bar(test, rainbow[i], x, 0, r_w, test->h, picref);
x += r_w;
}
draw_bar(test, black0, x, 0, r_w, test->h, picref);
}
static av_cold int pal75bars_init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
test->fill_picture_fn = pal75bars_fill_picture;
test->draw_once = 1;
return init(ctx);
}
const AVFilter ff_vsrc_pal75bars = {
.name = "pal75bars",
.description = NULL_IF_CONFIG_SMALL("Generate PAL 75% color bars."),
.priv_class = &palbars_class,
.priv_size = sizeof(TestSourceContext),
.init = pal75bars_init,
.uninit = uninit,
.activate = activate,
.inputs = NULL,
FILTER_OUTPUTS(smptebars_outputs),
FILTER_PIXFMTS_ARRAY(smptebars_pix_fmts),
};
#endif /* CONFIG_PAL75BARS_FILTER */
#if CONFIG_PAL100BARS_FILTER
static void pal100bars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
{
TestSourceContext *test = ctx->priv;
int r_w, i, x = 0;
const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
picref->color_range = AVCOL_RANGE_MPEG;
picref->colorspace = AVCOL_SPC_BT470BG;
r_w = FFALIGN((test->w + 7) / 8, 1 << pixdesc->log2_chroma_w);
for (i = 0; i < 7; i++) {
draw_bar(test, rainbow100[i], x, 0, r_w, test->h, picref);
x += r_w;
}
draw_bar(test, black0, x, 0, r_w, test->h, picref);
}
static av_cold int pal100bars_init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
test->fill_picture_fn = pal100bars_fill_picture;
test->draw_once = 1;
return init(ctx);
}
const AVFilter ff_vsrc_pal100bars = {
.name = "pal100bars",
.description = NULL_IF_CONFIG_SMALL("Generate PAL 100% color bars."),
.priv_class = &palbars_class,
.priv_size = sizeof(TestSourceContext),
.init = pal100bars_init,
.uninit = uninit,
.activate = activate,
.inputs = NULL,
FILTER_OUTPUTS(smptebars_outputs),
FILTER_PIXFMTS_ARRAY(smptebars_pix_fmts),
};
#endif /* CONFIG_PAL100BARS_FILTER */
AVFILTER_DEFINE_CLASS_EXT(smptebars, "smpte(hd)bars", options);
#if CONFIG_SMPTEBARS_FILTER
static void smptebars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
{
TestSourceContext *test = ctx->priv;
int r_w, r_h, w_h, p_w, p_h, i, tmp, x = 0;
const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
picref->colorspace = AVCOL_SPC_BT470BG;
r_w = FFALIGN((test->w + 6) / 7, 1 << pixdesc->log2_chroma_w);
r_h = FFALIGN(test->h * 2 / 3, 1 << pixdesc->log2_chroma_h);
w_h = FFALIGN(test->h * 3 / 4 - r_h, 1 << pixdesc->log2_chroma_h);
p_w = FFALIGN(r_w * 5 / 4, 1 << pixdesc->log2_chroma_w);
p_h = test->h - w_h - r_h;
for (i = 0; i < 7; i++) {
draw_bar(test, rainbow[i], x, 0, r_w, r_h, picref);
draw_bar(test, wobnair[i], x, r_h, r_w, w_h, picref);
x += r_w;
}
x = 0;
draw_bar(test, i_pixel, x, r_h + w_h, p_w, p_h, picref);
x += p_w;
draw_bar(test, white, x, r_h + w_h, p_w, p_h, picref);
x += p_w;
draw_bar(test, q_pixel, x, r_h + w_h, p_w, p_h, picref);
x += p_w;
tmp = FFALIGN(5 * r_w - x, 1 << pixdesc->log2_chroma_w);
draw_bar(test, black0, x, r_h + w_h, tmp, p_h, picref);
x += tmp;
tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
draw_bar(test, neg4ire, x, r_h + w_h, tmp, p_h, picref);
x += tmp;
draw_bar(test, black0, x, r_h + w_h, tmp, p_h, picref);
x += tmp;
draw_bar(test, pos4ire, x, r_h + w_h, tmp, p_h, picref);
x += tmp;
draw_bar(test, black0, x, r_h + w_h, test->w - x, p_h, picref);
}
static av_cold int smptebars_init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
test->fill_picture_fn = smptebars_fill_picture;
test->draw_once = 1;
return init(ctx);
}
const AVFilter ff_vsrc_smptebars = {
.name = "smptebars",
.description = NULL_IF_CONFIG_SMALL("Generate SMPTE color bars."),
.priv_size = sizeof(TestSourceContext),
.priv_class = &smptebars_class,
.init = smptebars_init,
.uninit = uninit,
.activate = activate,
.inputs = NULL,
FILTER_OUTPUTS(smptebars_outputs),
FILTER_PIXFMTS_ARRAY(smptebars_pix_fmts),
};
#endif /* CONFIG_SMPTEBARS_FILTER */
#if CONFIG_SMPTEHDBARS_FILTER
static void smptehdbars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
{
TestSourceContext *test = ctx->priv;
int d_w, r_w, r_h, l_w, i, tmp, x = 0, y = 0;
const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
picref->colorspace = AVCOL_SPC_BT709;
d_w = FFALIGN(test->w / 8, 1 << pixdesc->log2_chroma_w);
r_h = FFALIGN(test->h * 7 / 12, 1 << pixdesc->log2_chroma_h);
draw_bar(test, gray40, x, 0, d_w, r_h, picref);
x += d_w;
r_w = FFALIGN((((test->w + 3) / 4) * 3) / 7, 1 << pixdesc->log2_chroma_w);
for (i = 0; i < 7; i++) {
draw_bar(test, rainbowhd[i], x, 0, r_w, r_h, picref);
x += r_w;
}
draw_bar(test, gray40, x, 0, test->w - x, r_h, picref);
y = r_h;
r_h = FFALIGN(test->h / 12, 1 << pixdesc->log2_chroma_h);
draw_bar(test, cyan, 0, y, d_w, r_h, picref);
x = d_w;
draw_bar(test, i_pixel, x, y, r_w, r_h, picref);
x += r_w;
tmp = r_w * 6;
draw_bar(test, rainbowhd[0], x, y, tmp, r_h, picref);
x += tmp;
l_w = x;
draw_bar(test, blue, x, y, test->w - x, r_h, picref);
y += r_h;
draw_bar(test, yellow, 0, y, d_w, r_h, picref);
x = d_w;
draw_bar(test, q_pixel, x, y, r_w, r_h, picref);
x += r_w;
for (i = 0; i < tmp; i += 1 << pixdesc->log2_chroma_w) {
uint8_t yramp[4] = {0};
yramp[0] = i * 255 / tmp;
yramp[1] = 128;
yramp[2] = 128;
yramp[3] = 255;
draw_bar(test, yramp, x, y, 1 << pixdesc->log2_chroma_w, r_h, picref);
x += 1 << pixdesc->log2_chroma_w;
}
draw_bar(test, red, x, y, test->w - x, r_h, picref);
y += r_h;
draw_bar(test, gray15, 0, y, d_w, test->h - y, picref);
x = d_w;
tmp = FFALIGN(r_w * 3 / 2, 1 << pixdesc->log2_chroma_w);
draw_bar(test, black0, x, y, tmp, test->h - y, picref);
x += tmp;
tmp = FFALIGN(r_w * 2, 1 << pixdesc->log2_chroma_w);
draw_bar(test, white, x, y, tmp, test->h - y, picref);
x += tmp;
tmp = FFALIGN(r_w * 5 / 6, 1 << pixdesc->log2_chroma_w);
draw_bar(test, black0, x, y, tmp, test->h - y, picref);
x += tmp;
tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
draw_bar(test, neg2, x, y, tmp, test->h - y, picref);
x += tmp;
draw_bar(test, black0, x, y, tmp, test->h - y, picref);
x += tmp;
draw_bar(test, black2, x, y, tmp, test->h - y, picref);
x += tmp;
draw_bar(test, black0, x, y, tmp, test->h - y, picref);
x += tmp;
draw_bar(test, black4, x, y, tmp, test->h - y, picref);
x += tmp;
r_w = l_w - x;
draw_bar(test, black0, x, y, r_w, test->h - y, picref);
x += r_w;
draw_bar(test, gray15, x, y, test->w - x, test->h - y, picref);
}
static av_cold int smptehdbars_init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
test->fill_picture_fn = smptehdbars_fill_picture;
test->draw_once = 1;
return init(ctx);
}
const AVFilter ff_vsrc_smptehdbars = {
.name = "smptehdbars",
.description = NULL_IF_CONFIG_SMALL("Generate SMPTE HD color bars."),
.priv_class = &smptebars_class,
.priv_size = sizeof(TestSourceContext),
.init = smptehdbars_init,
.uninit = uninit,
.activate = activate,
.inputs = NULL,
FILTER_OUTPUTS(smptebars_outputs),
FILTER_PIXFMTS_ARRAY(smptebars_pix_fmts),
};
#endif /* CONFIG_SMPTEHDBARS_FILTER */
#endif /* CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER */
AVFILTER_DEFINE_CLASS_EXT(allyuv_allrgb, "allyuv/allrgb",
&options[NOSIZE_OPTIONS_OFFSET]);
#if CONFIG_ALLYUV_FILTER
static void allyuv_fill_picture(AVFilterContext *ctx, AVFrame *frame)
{
const int ys = frame->linesize[0];
const int us = frame->linesize[1];
const int vs = frame->linesize[2];
int x, y, j;
for (y = 0; y < 4096; y++) {
for (x = 0; x < 2048; x++) {
frame->data[0][y * ys + x] = ((x / 8) % 256);
frame->data[0][y * ys + 4095 - x] = ((x / 8) % 256);
}
for (x = 0; x < 2048; x+=8) {
for (j = 0; j < 8; j++) {
frame->data[1][vs * y + x + j] = (y%16 + (j % 8) * 16);
frame->data[1][vs * y + 4095 - x - j] = (128 + y%16 + (j % 8) * 16);
}
}
for (x = 0; x < 4096; x++)
frame->data[2][y * us + x] = 256 * y / 4096;
}
}
static av_cold int allyuv_init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
test->w = test->h = 4096;
test->draw_once = 1;
test->fill_picture_fn = allyuv_fill_picture;
return init(ctx);
}
static const AVFilterPad avfilter_vsrc_allyuv_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_props,
},
};
const AVFilter ff_vsrc_allyuv = {
.name = "allyuv",
.description = NULL_IF_CONFIG_SMALL("Generate all yuv colors."),
.priv_size = sizeof(TestSourceContext),
.priv_class = &allyuv_allrgb_class,
.init = allyuv_init,
.uninit = uninit,
.activate = activate,
.inputs = NULL,
FILTER_OUTPUTS(avfilter_vsrc_allyuv_outputs),
FILTER_PIXFMTS(AV_PIX_FMT_YUV444P, AV_PIX_FMT_GBRP),
};
#endif /* CONFIG_ALLYUV_FILTER */
#if CONFIG_ALLRGB_FILTER
static void allrgb_fill_picture(AVFilterContext *ctx, AVFrame *frame)
{
unsigned x, y;
const int linesize = frame->linesize[0];
uint8_t *line = frame->data[0];
for (y = 0; y < 4096; y++) {
uint8_t *dst = line;
for (x = 0; x < 4096; x++) {
*dst++ = x;
*dst++ = y;
*dst++ = (x >> 8) | ((y >> 8) << 4);
}
line += linesize;
}
}
static av_cold int allrgb_init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
test->w = test->h = 4096;
test->draw_once = 1;
test->fill_picture_fn = allrgb_fill_picture;
return init(ctx);
}
static int allrgb_config_props(AVFilterLink *outlink)
{
TestSourceContext *test = outlink->src->priv;
ff_fill_rgba_map(test->rgba_map, outlink->format);
return config_props(outlink);
}
static const AVFilterPad avfilter_vsrc_allrgb_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = allrgb_config_props,
},
};
const AVFilter ff_vsrc_allrgb = {
.name = "allrgb",
.description = NULL_IF_CONFIG_SMALL("Generate all RGB colors."),
.priv_size = sizeof(TestSourceContext),
.priv_class = &allyuv_allrgb_class,
.init = allrgb_init,
.uninit = uninit,
.activate = activate,
.inputs = NULL,
FILTER_OUTPUTS(avfilter_vsrc_allrgb_outputs),
FILTER_SINGLE_PIXFMT(AV_PIX_FMT_RGB24),
};
#endif /* CONFIG_ALLRGB_FILTER */
#if CONFIG_COLORSPECTRUM_FILTER
static const AVOption colorspectrum_options[] = {
COMMON_OPTIONS
{ "type", "set the color spectrum type", OFFSET(type), AV_OPT_TYPE_INT, {.i64=0}, 0, 2, FLAGS, "type" },
{ "black","fade to black", 0, AV_OPT_TYPE_CONST,{.i64=0},0, 0, FLAGS, "type" },
{ "white","fade to white", 0, AV_OPT_TYPE_CONST,{.i64=1},0, 0, FLAGS, "type" },
{ "all", "white to black", 0, AV_OPT_TYPE_CONST,{.i64=2},0, 0, FLAGS, "type" },
{ NULL }
};
AVFILTER_DEFINE_CLASS(colorspectrum);
static inline float mix(float a, float b, float mix)
{
return a * mix + b * (1.f - mix);
}
static void hsb2rgb(const float *c, float *rgb)
{
rgb[0] = av_clipf(fabsf(fmodf(c[0] * 6.f + 0.f, 6.f) - 3.f) - 1.f, 0.f, 1.f);
rgb[1] = av_clipf(fabsf(fmodf(c[0] * 6.f + 4.f, 6.f) - 3.f) - 1.f, 0.f, 1.f);
rgb[2] = av_clipf(fabsf(fmodf(c[0] * 6.f + 2.f, 6.f) - 3.f) - 1.f, 0.f, 1.f);
rgb[0] = mix(c[3], (rgb[0] * rgb[0] * (3.f - 2.f * rgb[0])), c[1]) * c[2];
rgb[1] = mix(c[3], (rgb[1] * rgb[1] * (3.f - 2.f * rgb[1])), c[1]) * c[2];
rgb[2] = mix(c[3], (rgb[2] * rgb[2] * (3.f - 2.f * rgb[2])), c[1]) * c[2];
}
static void colorspectrum_fill_picture(AVFilterContext *ctx, AVFrame *frame)
{
TestSourceContext *test = ctx->priv;
const float w = frame->width - 1.f;
const float h = frame->height - 1.f;
float c[4];
for (int y = 0; y < frame->height; y++) {
float *r = (float *)(frame->data[2] + y * frame->linesize[2]);
float *g = (float *)(frame->data[0] + y * frame->linesize[0]);
float *b = (float *)(frame->data[1] + y * frame->linesize[1]);
const float yh = y / h;
c[1] = test->type == 2 ? yh > 0.5f ? 2.f * (yh - 0.5f) : 1.f - 2.f * yh : test->type == 1 ? 1.f - yh : yh;
c[2] = 1.f;
c[3] = test->type == 1 ? 1.f : test->type == 2 ? (yh > 0.5f ? 0.f : 1.f): 0.f;
for (int x = 0; x < frame->width; x++) {
float rgb[3];
c[0] = x / w;
hsb2rgb(c, rgb);
r[x] = rgb[0];
g[x] = rgb[1];
b[x] = rgb[2];
}
}
}
static av_cold int colorspectrum_init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
test->draw_once = 1;
test->fill_picture_fn = colorspectrum_fill_picture;
return init(ctx);
}
static const AVFilterPad avfilter_vsrc_colorspectrum_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = config_props,
},
};
const AVFilter ff_vsrc_colorspectrum = {
.name = "colorspectrum",
.description = NULL_IF_CONFIG_SMALL("Generate colors spectrum."),
.priv_size = sizeof(TestSourceContext),
.priv_class = &colorspectrum_class,
.init = colorspectrum_init,
.uninit = uninit,
.activate = activate,
.inputs = NULL,
FILTER_OUTPUTS(avfilter_vsrc_colorspectrum_outputs),
FILTER_SINGLE_PIXFMT(AV_PIX_FMT_GBRPF32),
};
#endif /* CONFIG_COLORSPECTRUM_FILTER */
#if CONFIG_COLORCHART_FILTER
static const AVOption colorchart_options[] = {
COMMON_OPTIONS_NOSIZE
{ "patch_size", "set the single patch size", OFFSET(pw), AV_OPT_TYPE_IMAGE_SIZE, {.str="64x64"}, 0, 0, FLAGS },
{ "preset", "set the color checker chart preset", OFFSET(type), AV_OPT_TYPE_INT, {.i64=0}, 0, 1, FLAGS, "preset" },
{ "reference", "reference", 0, AV_OPT_TYPE_CONST,{.i64=0}, 0, 0, FLAGS, "preset" },
{ "skintones", "skintones", 0, AV_OPT_TYPE_CONST,{.i64=1}, 0, 0, FLAGS, "preset" },
{ NULL }
};
AVFILTER_DEFINE_CLASS(colorchart);
static const uint8_t reference_colors[][3] = {
{ 115, 82, 68 }, // dark skin
{ 194, 150, 130 }, // light skin
{ 98, 122, 157 }, // blue sky
{ 87, 108, 67 }, // foliage
{ 133, 128, 177 }, // blue flower
{ 103, 189, 170 }, // bluish green
{ 214, 126, 44 }, // orange
{ 80, 91, 166 }, // purple red
{ 193, 90, 99 }, // moderate red
{ 94, 60, 108 }, // purple
{ 157, 188, 64 }, // yellow green
{ 224, 163, 46 }, // orange yellow
{ 56, 61, 150 }, // blue
{ 70, 148, 73 }, // green
{ 175, 54, 60 }, // red
{ 231, 199, 31 }, // yellow
{ 187, 86, 149 }, // magenta
{ 8, 133, 161 }, // cyan
{ 243, 243, 242 }, // white
{ 200, 200, 200 }, // neutral 8
{ 160, 160, 160 }, // neutral 65
{ 122, 122, 121 }, // neutral 5
{ 85, 85, 85 }, // neutral 35
{ 52, 52, 52 }, // black
};
static const uint8_t skintones_colors[][3] = {
{ 54, 38, 43 },
{ 105, 43, 42 },
{ 147, 43, 43 },
{ 77, 41, 42 },
{ 134, 43, 41 },
{ 201, 134, 118 },
{ 59, 41, 41 },
{ 192, 103, 76 },
{ 208, 156, 141 },
{ 152, 82, 61 },
{ 162, 132, 118 },
{ 212, 171, 150 },
{ 205, 91, 31 },
{ 164, 100, 55 },
{ 204, 136, 95 },
{ 178, 142, 116 },
{ 210, 152, 108 },
{ 217, 167, 131 },
{ 206, 166, 126 },
{ 208, 163, 97 },
{ 245, 180, 0 },
{ 212, 184, 125 },
{ 179, 165, 150 },
{ 196, 184, 105 },
};
typedef struct ColorChartPreset {
int w, h;
const uint8_t (*colors)[3];
} ColorChartPreset;
static const ColorChartPreset colorchart_presets[] = {
{ 6, 4, reference_colors, },
{ 6, 4, skintones_colors, },
};
static int colorchart_config_props(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->src;
TestSourceContext *s = ctx->priv;
av_assert0(ff_draw_init(&s->draw, inlink->format, 0) >= 0);
if (av_image_check_size(s->w, s->h, 0, ctx) < 0)
return AVERROR(EINVAL);
return config_props(inlink);
}
static void colorchart_fill_picture(AVFilterContext *ctx, AVFrame *frame)
{
TestSourceContext *test = ctx->priv;
const int preset = test->type;
const int w = colorchart_presets[preset].w;
const int h = colorchart_presets[preset].h;
const int pw = test->pw;
const int ph = test->pw;
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
uint32_t pc = AV_RB24(colorchart_presets[preset].colors[y * w + x]);
FFDrawColor color;
set_color(test, &color, pc);
ff_fill_rectangle(&test->draw, &color, frame->data, frame->linesize,
x * pw, y * ph, pw, ph);
}
}
}
static av_cold int colorchart_init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
const int preset = test->type;
const int w = colorchart_presets[preset].w;
const int h = colorchart_presets[preset].h;
test->w = w * test->pw;
test->h = h * test->ph;
test->draw_once = 1;
test->fill_picture_fn = colorchart_fill_picture;
return init(ctx);
}
static const AVFilterPad avfilter_vsrc_colorchart_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = colorchart_config_props,
},
};
const AVFilter ff_vsrc_colorchart = {
.name = "colorchart",
.description = NULL_IF_CONFIG_SMALL("Generate color checker chart."),
.priv_size = sizeof(TestSourceContext),
.priv_class = &colorchart_class,
.init = colorchart_init,
.uninit = uninit,
.activate = activate,
.inputs = NULL,
FILTER_OUTPUTS(avfilter_vsrc_colorchart_outputs),
FILTER_SINGLE_PIXFMT(AV_PIX_FMT_GBRP),
};
#endif /* CONFIG_COLORCHART_FILTER */
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