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-rw-r--r--libavfilter/vsrc_testsrc.c464
1 files changed, 373 insertions, 91 deletions
diff --git a/libavfilter/vsrc_testsrc.c b/libavfilter/vsrc_testsrc.c
index 674d6d716c..22f163c1e1 100644
--- a/libavfilter/vsrc_testsrc.c
+++ b/libavfilter/vsrc_testsrc.c
@@ -1,21 +1,22 @@
/*
* 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 Libav.
+ * This file is part of FFmpeg.
*
- * Libav is free software; you can redistribute it and/or
+ * 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.
*
- * Libav is distributed in the hope that it will be useful,
+ * 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 Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@@ -28,93 +29,130 @@
*
* rgbtestsrc is ported from MPlayer libmpcodecs/vf_rgbtest.c by
* Michael Niedermayer.
+ *
+ * smptebars is by Paul B Mahol.
*/
#include <float.h>
#include "libavutil/common.h"
-#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
+#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/parseutils.h"
#include "avfilter.h"
+#include "drawutils.h"
#include "formats.h"
#include "internal.h"
#include "video.h"
typedef struct {
const AVClass *class;
- int h, w;
+ int w, h;
unsigned int nb_frame;
- AVRational time_base;
- int64_t pts, max_pts;
- char *size; ///< video frame size
- char *rate; ///< video frame rate
- char *duration; ///< total duration of the generated video
+ AVRational time_base, frame_rate;
+ int64_t pts;
+ char *frame_rate_str; ///< video frame rate
+ char *duration_str; ///< total duration of the generated video
+ int64_t duration; ///< duration expressed in microseconds
AVRational sar; ///< sample aspect ratio
+ int nb_decimals;
+ int draw_once; ///< draw only the first frame, always put out the same picture
+ AVFrame *picref; ///< cached reference containing the painted picture
void (* fill_picture_fn)(AVFilterContext *ctx, AVFrame *frame);
+ /* only used by color */
+ char *color_str;
+ FFDrawContext draw;
+ FFDrawColor color;
+ uint8_t color_rgba[4];
+
/* only used by rgbtest */
- int rgba_map[4];
+ uint8_t rgba_map[4];
} TestSourceContext;
#define OFFSET(x) offsetof(TestSourceContext, x)
-
-static const AVOption testsrc_options[] = {
- { "size", "set video size", OFFSET(size), AV_OPT_TYPE_STRING, {.str = "320x240"}},
- { "s", "set video size", OFFSET(size), AV_OPT_TYPE_STRING, {.str = "320x240"}},
- { "rate", "set video rate", OFFSET(rate), AV_OPT_TYPE_STRING, {.str = "25"}, },
- { "r", "set video rate", OFFSET(rate), AV_OPT_TYPE_STRING, {.str = "25"}, },
- { "duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_STRING, {.str = NULL}, },
- { "sar", "set video sample aspect ratio", OFFSET(sar), AV_OPT_TYPE_RATIONAL, {.dbl = 1}, 0, INT_MAX },
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
+
+static const AVOption 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 },
+ { "rate", "set video rate", OFFSET(frame_rate_str), AV_OPT_TYPE_STRING, {.str = "25"}, 0, 0, FLAGS },
+ { "r", "set video rate", OFFSET(frame_rate_str), AV_OPT_TYPE_STRING, {.str = "25"}, 0, 0, FLAGS },
+ { "duration", "set video duration", OFFSET(duration_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, FLAGS },
+ { "d", "set video duration", OFFSET(duration_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, FLAGS },
+ { "sar", "set video sample aspect ratio", OFFSET(sar), AV_OPT_TYPE_RATIONAL, {.dbl= 1}, 0, INT_MAX, FLAGS },
+
+ /* only used by color */
+ { "color", "set color", OFFSET(color_str), AV_OPT_TYPE_STRING, {.str = NULL}, CHAR_MIN, CHAR_MAX, FLAGS },
+ { "c", "set color", OFFSET(color_str), AV_OPT_TYPE_STRING, {.str = NULL}, CHAR_MIN, CHAR_MAX, FLAGS },
+
+ /* only used by testsrc */
+ { "decimals", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, INT_MIN, INT_MAX, FLAGS },
+ { "n", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, INT_MIN, INT_MAX, FLAGS },
{ NULL },
};
-static av_cold int init_common(AVFilterContext *ctx, const char *args)
+static av_cold int init(AVFilterContext *ctx, const char *args)
{
TestSourceContext *test = ctx->priv;
- AVRational frame_rate_q;
- int64_t duration = -1;
int ret = 0;
av_opt_set_defaults(test);
- if ((ret = (av_set_options_string(test, args, "=", ":"))) < 0) {
- av_log(ctx, AV_LOG_ERROR, "Error parsing options string: '%s'\n", args);
+ if ((ret = (av_set_options_string(test, args, "=", ":"))) < 0)
return ret;
- }
- if ((ret = av_parse_video_size(&test->w, &test->h, test->size)) < 0) {
- av_log(ctx, AV_LOG_ERROR, "Invalid frame size: '%s'\n", test->size);
+ if ((ret = av_parse_video_rate(&test->frame_rate, test->frame_rate_str)) < 0) {
+ av_log(ctx, AV_LOG_ERROR, "Invalid frame rate: '%s'\n", test->frame_rate_str);
return ret;
}
- if ((ret = av_parse_video_rate(&frame_rate_q, test->rate)) < 0 ||
- frame_rate_q.den <= 0 || frame_rate_q.num <= 0) {
- av_log(ctx, AV_LOG_ERROR, "Invalid frame rate: '%s'\n", test->rate);
+ test->duration = -1;
+ if (test->duration_str &&
+ (ret = av_parse_time(&test->duration, test->duration_str, 1)) < 0) {
+ av_log(ctx, AV_LOG_ERROR, "Invalid duration: '%s'\n", test->duration_str);
return ret;
}
- if ((test->duration) && (ret = av_parse_time(&duration, test->duration, 1)) < 0) {
- av_log(ctx, AV_LOG_ERROR, "Invalid duration: '%s'\n", test->duration);
- return ret;
+ if (test->nb_decimals && strcmp(ctx->filter->name, "testsrc")) {
+ av_log(ctx, AV_LOG_WARNING,
+ "Option 'decimals' is ignored with source '%s'\n",
+ ctx->filter->name);
+ }
+
+ if (test->color_str) {
+ if (!strcmp(ctx->filter->name, "color")) {
+ ret = av_parse_color(test->color_rgba, test->color_str, -1, ctx);
+ if (ret < 0)
+ return ret;
+ } else {
+ av_log(ctx, AV_LOG_WARNING,
+ "Option 'color' is ignored with source '%s'\n",
+ ctx->filter->name);
+ }
}
- test->time_base.num = frame_rate_q.den;
- test->time_base.den = frame_rate_q.num;
- test->max_pts = duration >= 0 ?
- av_rescale_q(duration, AV_TIME_BASE_Q, test->time_base) : -1;
+ test->time_base = av_inv_q(test->frame_rate);
test->nb_frame = 0;
test->pts = 0;
- av_log(ctx, AV_LOG_DEBUG, "size:%dx%d rate:%d/%d duration:%f sar:%d/%d\n",
- test->w, test->h, frame_rate_q.num, frame_rate_q.den,
- duration < 0 ? -1 : test->max_pts * av_q2d(test->time_base),
+ 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_opt_free(test);
+ av_frame_free(&test->picref);
+}
+
static int config_props(AVFilterLink *outlink)
{
TestSourceContext *test = outlink->src->priv;
@@ -122,7 +160,8 @@ static int config_props(AVFilterLink *outlink)
outlink->w = test->w;
outlink->h = test->h;
outlink->sample_aspect_ratio = test->sar;
- outlink->time_base = test->time_base;
+ outlink->frame_rate = test->frame_rate;
+ outlink->time_base = test->time_base;
return 0;
}
@@ -132,36 +171,159 @@ static int request_frame(AVFilterLink *outlink)
TestSourceContext *test = outlink->src->priv;
AVFrame *frame;
- if (test->max_pts >= 0 && test->pts > test->max_pts)
+ if (test->duration >= 0 &&
+ av_rescale_q(test->pts, test->time_base, AV_TIME_BASE_Q) >= test->duration)
return AVERROR_EOF;
- frame = ff_get_video_buffer(outlink, test->w, test->h);
+
+ if (test->draw_once) {
+ 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->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++;
- test->fill_picture_fn(outlink->src, frame);
return ff_filter_frame(outlink, frame);
}
-#if CONFIG_TESTSRC_FILTER
+#if CONFIG_COLOR_FILTER
+
+#define color_options options
+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, const char *args)
+{
+ TestSourceContext *test = ctx->priv;
+ test->class = &color_class;
+ test->fill_picture_fn = color_fill_picture;
+ test->draw_once = 1;
+ av_opt_set(test, "color", "black", 0);
+ return init(ctx, args);
+}
+
+static int color_query_formats(AVFilterContext *ctx)
+{
+ ff_set_common_formats(ctx, ff_draw_supported_pixel_formats(0));
+ return 0;
+}
-static const char *testsrc_get_name(void *ctx)
+static int color_config_props(AVFilterLink *inlink)
{
- return "testsrc";
+ 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;
+
+ av_log(ctx, AV_LOG_VERBOSE, "color:0x%02x%02x%02x%02x\n",
+ test->color_rgba[0], test->color_rgba[1], test->color_rgba[2], test->color_rgba[3]);
+ return 0;
}
-static const AVClass testsrc_class = {
- .class_name = "TestSourceContext",
- .item_name = testsrc_get_name,
- .option = testsrc_options,
+static const AVFilterPad color_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .request_frame = request_frame,
+ .config_props = color_config_props,
+ },
+ { NULL }
};
+AVFilter avfilter_vsrc_color = {
+ .name = "color",
+ .description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input."),
+
+ .priv_size = sizeof(TestSourceContext),
+ .init = color_init,
+ .uninit = uninit,
+
+ .query_formats = color_query_formats,
+ .inputs = NULL,
+ .outputs = color_outputs,
+ .priv_class = &color_class,
+};
+
+#endif /* CONFIG_COLOR_FILTER */
+
+#if CONFIG_NULLSRC_FILTER
+
+#define nullsrc_options options
+AVFILTER_DEFINE_CLASS(nullsrc);
+
+static void nullsrc_fill_picture(AVFilterContext *ctx, AVFrame *picref) { }
+
+static av_cold int nullsrc_init(AVFilterContext *ctx, const char *args)
+{
+ TestSourceContext *test = ctx->priv;
+
+ test->class = &nullsrc_class;
+ test->fill_picture_fn = nullsrc_fill_picture;
+ return init(ctx, args);
+}
+
+static const AVFilterPad nullsrc_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .request_frame = request_frame,
+ .config_props = config_props,
+ },
+ { NULL },
+};
+
+AVFilter avfilter_vsrc_nullsrc = {
+ .name = "nullsrc",
+ .description = NULL_IF_CONFIG_SMALL("Null video source, return unprocessed video frames."),
+ .init = nullsrc_init,
+ .uninit = uninit,
+ .priv_size = sizeof(TestSourceContext),
+ .inputs = NULL,
+ .outputs = nullsrc_outputs,
+ .priv_class = &nullsrc_class,
+};
+
+#endif /* CONFIG_NULLSRC_FILTER */
+
+#if CONFIG_TESTSRC_FILTER
+
+#define testsrc_options options
+AVFILTER_DEFINE_CLASS(testsrc);
+
/**
* Fill a rectangle with value val.
*
@@ -284,7 +446,7 @@ static void test_fill_picture(AVFilterContext *ctx, AVFrame *frame)
}
/* draw sliding color line */
- p = data + frame->linesize[0] * height * 3/4;
+ 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;
@@ -312,15 +474,20 @@ static void test_fill_picture(AVFilterContext *ctx, AVFrame *frame)
if (grad >= GRADIENT_SIZE)
grad -= GRADIENT_SIZE;
}
+ p = p0;
for (y = height / 8; y > 0; y--) {
- memcpy(p, p - frame->linesize[0], 3 * width);
+ 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) {
- second = test->nb_frame * test->time_base.num / test->time_base.den;
+ double time = av_q2d(test->time_base) * test->nb_frame *
+ pow(10, test->nb_decimals);
+ if (time > INT_MAX)
+ return;
+ second = (int)time;
x = width - (width - seg_size * 64) / 2;
y = (height - seg_size * 13) / 2;
p = data + (x*3 + y * frame->linesize[0]);
@@ -340,7 +507,7 @@ static av_cold int test_init(AVFilterContext *ctx, const char *args)
test->class = &testsrc_class;
test->fill_picture_fn = test_fill_picture;
- return init_common(ctx, args);
+ return init(ctx, args);
}
static int test_query_formats(AVFilterContext *ctx)
@@ -363,32 +530,25 @@ static const AVFilterPad avfilter_vsrc_testsrc_outputs[] = {
};
AVFilter avfilter_vsrc_testsrc = {
- .name = "testsrc",
- .description = NULL_IF_CONFIG_SMALL("Generate test pattern."),
- .priv_size = sizeof(TestSourceContext),
- .init = test_init,
+ .name = "testsrc",
+ .description = NULL_IF_CONFIG_SMALL("Generate test pattern."),
+ .priv_size = sizeof(TestSourceContext),
+ .init = test_init,
+ .uninit = uninit,
- .query_formats = test_query_formats,
+ .query_formats = test_query_formats,
.inputs = NULL,
-
.outputs = avfilter_vsrc_testsrc_outputs,
+ .priv_class = &testsrc_class,
};
#endif /* CONFIG_TESTSRC_FILTER */
#if CONFIG_RGBTESTSRC_FILTER
-static const char *rgbtestsrc_get_name(void *ctx)
-{
- return "rgbtestsrc";
-}
-
-static const AVClass rgbtestsrc_class = {
- .class_name = "RGBTestSourceContext",
- .item_name = rgbtestsrc_get_name,
- .option = testsrc_options,
-};
+#define rgbtestsrc_options options
+AVFILTER_DEFINE_CLASS(rgbtestsrc);
#define R 0
#define G 1
@@ -397,7 +557,7 @@ static const AVClass rgbtestsrc_class = {
static void rgbtest_put_pixel(uint8_t *dst, int dst_linesize,
int x, int y, int r, int g, int b, enum AVPixelFormat fmt,
- int rgba_map[4])
+ uint8_t rgba_map[4])
{
int32_t v;
uint8_t *p;
@@ -419,7 +579,7 @@ static void rgbtest_put_pixel(uint8_t *dst, int dst_linesize,
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));
+ v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8)) + (255 << (rgba_map[A]*8));
p = dst + 4*x + y*dst_linesize;
AV_WL32(p, v);
break;
@@ -450,9 +610,10 @@ static av_cold int rgbtest_init(AVFilterContext *ctx, const char *args)
{
TestSourceContext *test = ctx->priv;
+ test->draw_once = 1;
test->class = &rgbtestsrc_class;
test->fill_picture_fn = rgbtest_fill_picture;
- return init_common(ctx, args);
+ return init(ctx, args);
}
static int rgbtest_query_formats(AVFilterContext *ctx)
@@ -473,15 +634,7 @@ static int rgbtest_config_props(AVFilterLink *outlink)
{
TestSourceContext *test = outlink->src->priv;
- switch (outlink->format) {
- case AV_PIX_FMT_ARGB: test->rgba_map[A] = 0; test->rgba_map[R] = 1; test->rgba_map[G] = 2; test->rgba_map[B] = 3; break;
- case AV_PIX_FMT_ABGR: test->rgba_map[A] = 0; test->rgba_map[B] = 1; test->rgba_map[G] = 2; test->rgba_map[R] = 3; break;
- case AV_PIX_FMT_RGBA:
- case AV_PIX_FMT_RGB24: test->rgba_map[R] = 0; test->rgba_map[G] = 1; test->rgba_map[B] = 2; test->rgba_map[A] = 3; break;
- case AV_PIX_FMT_BGRA:
- case AV_PIX_FMT_BGR24: test->rgba_map[B] = 0; test->rgba_map[G] = 1; test->rgba_map[R] = 2; test->rgba_map[A] = 3; break;
- }
-
+ ff_fill_rgba_map(test->rgba_map, outlink->format);
return config_props(outlink);
}
@@ -496,16 +649,145 @@ static const AVFilterPad avfilter_vsrc_rgbtestsrc_outputs[] = {
};
AVFilter avfilter_vsrc_rgbtestsrc = {
- .name = "rgbtestsrc",
- .description = NULL_IF_CONFIG_SMALL("Generate RGB test pattern."),
- .priv_size = sizeof(TestSourceContext),
- .init = rgbtest_init,
+ .name = "rgbtestsrc",
+ .description = NULL_IF_CONFIG_SMALL("Generate RGB test pattern."),
+ .priv_size = sizeof(TestSourceContext),
+ .init = rgbtest_init,
+ .uninit = uninit,
- .query_formats = rgbtest_query_formats,
+ .query_formats = rgbtest_query_formats,
.inputs = NULL,
.outputs = avfilter_vsrc_rgbtestsrc_outputs,
+ .priv_class = &rgbtestsrc_class,
};
#endif /* CONFIG_RGBTESTSRC_FILTER */
+
+#if CONFIG_SMPTEBARS_FILTER
+
+#define smptebars_options options
+AVFILTER_DEFINE_CLASS(smptebars);
+
+static const uint8_t rainbow[7][4] = {
+ { 191, 191, 191, 255 }, /* gray */
+ { 191, 191, 0, 255 }, /* yellow */
+ { 0, 191, 191, 255 }, /* cyan */
+ { 0, 191, 0, 255 }, /* green */
+ { 191, 0, 191, 255 }, /* magenta */
+ { 191, 0, 0, 255 }, /* red */
+ { 0, 0, 191, 255 }, /* blue */
+};
+
+static const uint8_t wobnair[7][4] = {
+ { 0, 0, 191, 255 }, /* blue */
+ { 19, 19, 19, 255 }, /* 7.5% intensity black */
+ { 191, 0, 191, 255 }, /* magenta */
+ { 19, 19, 19, 255 }, /* 7.5% intensity black */
+ { 0, 191, 191, 255 }, /* cyan */
+ { 19, 19, 19, 255 }, /* 7.5% intensity black */
+ { 191, 191, 191, 255 }, /* gray */
+};
+
+static const uint8_t white[4] = { 255, 255, 255, 255 };
+static const uint8_t black[4] = { 19, 19, 19, 255 }; /* 7.5% intensity black */
+
+/* pluge pulses */
+static const uint8_t neg4ire[4] = { 9, 9, 9, 255 }; /* 3.5% intensity black */
+static const uint8_t pos4ire[4] = { 29, 29, 29, 255 }; /* 11.5% intensity black */
+
+/* fudged Q/-I */
+static const uint8_t i_pixel[4] = { 0, 68, 130, 255 };
+static const uint8_t q_pixel[4] = { 67, 0, 130, 255 };
+
+static void smptebars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
+{
+ TestSourceContext *test = ctx->priv;
+ FFDrawColor color;
+ int r_w, r_h, w_h, p_w, p_h, i, x = 0;
+
+ r_w = (test->w + 6) / 7;
+ r_h = test->h * 2 / 3;
+ w_h = test->h * 3 / 4 - r_h;
+ p_w = r_w * 5 / 4;
+ p_h = test->h - w_h - r_h;
+
+#define DRAW_COLOR(rgba, x, y, w, h) \
+ ff_draw_color(&test->draw, &color, rgba); \
+ ff_fill_rectangle(&test->draw, &color, \
+ picref->data, picref->linesize, x, y, w, h) \
+
+ for (i = 0; i < 7; i++) {
+ DRAW_COLOR(rainbow[i], x, 0, FFMIN(r_w, test->w - x), r_h);
+ DRAW_COLOR(wobnair[i], x, r_h, FFMIN(r_w, test->w - x), w_h);
+ x += r_w;
+ }
+ x = 0;
+ DRAW_COLOR(i_pixel, x, r_h + w_h, p_w, p_h);
+ x += p_w;
+ DRAW_COLOR(white, x, r_h + w_h, p_w, p_h);
+ x += p_w;
+ DRAW_COLOR(q_pixel, x, r_h + w_h, p_w, p_h);
+ x += p_w;
+ DRAW_COLOR(black, x, r_h + w_h, 5 * r_w - x, p_h);
+ x += 5 * r_w - x;
+ DRAW_COLOR(neg4ire, x, r_h + w_h, r_w / 3, p_h);
+ x += r_w / 3;
+ DRAW_COLOR(black, x, r_h + w_h, r_w / 3, p_h);
+ x += r_w / 3;
+ DRAW_COLOR(pos4ire, x, r_h + w_h, r_w / 3, p_h);
+ x += r_w / 3;
+ DRAW_COLOR(black, x, r_h + w_h, test->w - x, p_h);
+}
+
+static av_cold int smptebars_init(AVFilterContext *ctx, const char *args)
+{
+ TestSourceContext *test = ctx->priv;
+
+ test->class = &smptebars_class;
+ test->fill_picture_fn = smptebars_fill_picture;
+ test->draw_once = 1;
+ return init(ctx, args);
+}
+
+static int smptebars_query_formats(AVFilterContext *ctx)
+{
+ ff_set_common_formats(ctx, ff_draw_supported_pixel_formats(0));
+ return 0;
+}
+
+static int smptebars_config_props(AVFilterLink *outlink)
+{
+ AVFilterContext *ctx = outlink->src;
+ TestSourceContext *test = ctx->priv;
+
+ ff_draw_init(&test->draw, outlink->format, 0);
+
+ return config_props(outlink);
+}
+
+static const AVFilterPad smptebars_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .request_frame = request_frame,
+ .config_props = smptebars_config_props,
+ },
+ { NULL }
+};
+
+AVFilter avfilter_vsrc_smptebars = {
+ .name = "smptebars",
+ .description = NULL_IF_CONFIG_SMALL("Generate SMPTE color bars."),
+ .priv_size = sizeof(TestSourceContext),
+ .init = smptebars_init,
+ .uninit = uninit,
+
+ .query_formats = smptebars_query_formats,
+ .inputs = NULL,
+ .outputs = smptebars_outputs,
+ .priv_class = &smptebars_class,
+};
+
+#endif /* CONFIG_SMPTEBARS_FILTER */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 13:48:54 +0000