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-rw-r--r--libavfilter/vsrc_testsrc.c618
1 files changed, 531 insertions, 87 deletions
diff --git a/libavfilter/vsrc_testsrc.c b/libavfilter/vsrc_testsrc.c
index e958a7b0dc..dc8984a19f 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
*/
@@ -28,87 +29,121 @@
*
* rgbtestsrc is ported from MPlayer libmpcodecs/vf_rgbtest.c by
* Michael Niedermayer.
+ *
+ * smptebars and smptehdbars are by Paul B Mahol.
*/
#include <float.h>
+#include "libavutil/avassert.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;
+ 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
+ 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 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)
-#define FLAGS AV_OPT_FLAG_VIDEO_PARAM
-
-static const AVOption testsrc_options[] = {
- { "size", "set video size", OFFSET(size), AV_OPT_TYPE_STRING, {.str = "320x240"}, .flags = FLAGS },
- { "s", "set video size", OFFSET(size), AV_OPT_TYPE_STRING, {.str = "320x240"}, .flags = FLAGS },
- { "rate", "set video rate", OFFSET(rate), AV_OPT_TYPE_STRING, {.str = "25"}, .flags = FLAGS },
- { "r", "set video rate", OFFSET(rate), AV_OPT_TYPE_STRING, {.str = "25"}, .flags = FLAGS },
- { "duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_STRING, {.str = NULL}, .flags = FLAGS },
- { "sar", "set video sample aspect ratio", OFFSET(sar), AV_OPT_TYPE_RATIONAL, {.dbl = 1}, 0, INT_MAX, FLAGS },
+#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
+
+#define COMMON_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), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0, FLAGS },\
+ { "r", "set video rate", OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0, 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 },
+
+
+static const AVOption color_options[] = {
+ /* only used by color */
+ { "color", "set color", OFFSET(color_str), AV_OPT_TYPE_STRING, {.str = "black"}, CHAR_MIN, CHAR_MAX, FLAGS },
+ { "c", "set color", OFFSET(color_str), AV_OPT_TYPE_STRING, {.str = "black"}, CHAR_MIN, CHAR_MAX, FLAGS },
+
+ COMMON_OPTIONS
+ { NULL },
+};
+
+static const AVOption options[] = {
+ COMMON_OPTIONS
+ /* only used by testsrc */
+ { "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 },
};
-static av_cold int init_common(AVFilterContext *ctx)
+static av_cold int init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
- AVRational frame_rate_q;
- int64_t duration = -1;
int ret = 0;
- 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);
- 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 ((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);
- 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->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_frame_free(&test->picref);
+}
+
static int config_props(AVFilterLink *outlink)
{
TestSourceContext *test = outlink->src->priv;
@@ -116,7 +151,8 @@ 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;
}
@@ -126,36 +162,188 @@ 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->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->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
+
+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)
+{
+ ff_set_common_formats(ctx, ff_draw_supported_pixel_formats(0));
+ return 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;
+
+ 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 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;
+
+ if (!strcmp(cmd, "color") || !strcmp(cmd, "c")) {
+ char *color_str;
+ uint8_t color_rgba[4];
+
+ ret = av_parse_color(color_rgba, args, -1, ctx);
+ if (ret < 0)
+ return ret;
+ color_str = av_strdup(args);
+ if (!color_str)
+ return AVERROR(ENOMEM);
+ av_free(test->color_str);
+ test->color_str = color_str;
+
+ memcpy(test->color_rgba, color_rgba, sizeof(color_rgba));
+ ff_draw_color(&test->draw, &test->color, test->color_rgba);
+ test->draw_once_reset = 1;
+ return 0;
+ }
+
+ return AVERROR(ENOSYS);
+}
+
+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_class = &color_class,
+ .priv_size = sizeof(TestSourceContext),
+ .init = color_init,
+ .uninit = uninit,
+
+ .query_formats = color_query_formats,
+ .inputs = NULL,
+ .outputs = color_outputs,
+ .process_command = color_process_command,
+};
+
+#endif /* CONFIG_COLOR_FILTER */
+
+#if CONFIG_NULLSRC_FILTER
-static const char *testsrc_get_name(void *ctx)
+#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)
{
- return "testsrc";
+ TestSourceContext *test = ctx->priv;
+
+ test->fill_picture_fn = nullsrc_fill_picture;
+ return init(ctx);
}
-static const AVClass testsrc_class = {
- .class_name = "TestSourceContext",
- .item_name = testsrc_get_name,
- .option = testsrc_options,
+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),
+ .priv_class = &nullsrc_class,
+ .inputs = NULL,
+ .outputs = nullsrc_outputs,
};
+#endif /* CONFIG_NULLSRC_FILTER */
+
+#if CONFIG_TESTSRC_FILTER
+
+#define testsrc_options options
+AVFILTER_DEFINE_CLASS(testsrc);
+
/**
* Fill a rectangle with value val.
*
@@ -168,8 +356,8 @@ static const AVClass testsrc_class = {
* @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, unsigned segment_width,
- unsigned x, unsigned y, unsigned w, unsigned h)
+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;
@@ -183,8 +371,8 @@ static void draw_rectangle(unsigned val, uint8_t *dst, int dst_linesize, unsigne
}
}
-static void draw_digit(int digit, uint8_t *dst, unsigned dst_linesize,
- unsigned segment_width)
+static void draw_digit(int digit, uint8_t *dst, int dst_linesize,
+ int segment_width)
{
#define TOP_HBAR 1
#define MID_HBAR 2
@@ -278,7 +466,7 @@ 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;
@@ -306,15 +494,25 @@ 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;
+ int64_t p10decimals = 1;
+ double time = av_q2d(test->time_base) * test->nb_frame *
+ pow(10, 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]);
@@ -333,7 +531,7 @@ static av_cold int test_init(AVFilterContext *ctx)
TestSourceContext *test = ctx->priv;
test->fill_picture_fn = test_fill_picture;
- return init_common(ctx);
+ return init(ctx);
}
static int test_query_formats(AVFilterContext *ctx)
@@ -361,11 +559,11 @@ AVFilter avfilter_vsrc_testsrc = {
.priv_size = sizeof(TestSourceContext),
.priv_class = &testsrc_class,
.init = test_init,
+ .uninit = uninit,
.query_formats = test_query_formats,
.inputs = NULL,
-
.outputs = avfilter_vsrc_testsrc_outputs,
};
@@ -373,16 +571,8 @@ AVFilter avfilter_vsrc_testsrc = {
#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
@@ -391,7 +581,7 @@ 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;
@@ -413,7 +603,7 @@ 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;
@@ -444,8 +634,9 @@ static av_cold int rgbtest_init(AVFilterContext *ctx)
{
TestSourceContext *test = ctx->priv;
+ test->draw_once = 1;
test->fill_picture_fn = rgbtest_fill_picture;
- return init_common(ctx);
+ return init(ctx);
}
static int rgbtest_query_formats(AVFilterContext *ctx)
@@ -466,15 +657,7 @@ 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);
}
@@ -494,6 +677,7 @@ AVFilter avfilter_vsrc_rgbtestsrc = {
.priv_size = sizeof(TestSourceContext),
.priv_class = &rgbtestsrc_class,
.init = rgbtest_init,
+ .uninit = uninit,
.query_formats = rgbtest_query_formats,
@@ -503,3 +687,263 @@ AVFilter avfilter_vsrc_rgbtestsrc = {
};
#endif /* CONFIG_RGBTESTSRC_FILTER */
+
+#if CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER
+
+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 const uint8_t gray40[4] = { 102, 102, 102, 255 };
+static const uint8_t gray15[4] = { 38, 38, 38, 255 };
+static const uint8_t cyan[4] = { 0, 255, 255, 255 };
+static const uint8_t yellow[4] = { 255, 255, 0, 255 };
+static const uint8_t blue[4] = { 0, 0, 255, 255 };
+static const uint8_t red[4] = { 255, 0, 0, 255 };
+static const uint8_t black0[4] = { 5, 5, 5, 255 };
+static const uint8_t black2[4] = { 10, 10, 10, 255 };
+static const uint8_t black4[4] = { 15, 15, 15, 255 };
+static const uint8_t neg2[4] = { 0, 0, 0, 255 };
+
+static void inline draw_bar(TestSourceContext *test, const uint8_t *color,
+ unsigned x, unsigned y, unsigned w, unsigned h,
+ AVFrame *frame)
+{
+ FFDrawColor draw_color;
+
+ x = FFMIN(x, test->w - 1);
+ y = FFMIN(y, test->h - 1);
+ w = FFMIN(w, test->w - x);
+ h = FFMIN(h, test->h - y);
+
+ av_assert0(x + w <= test->w);
+ av_assert0(y + h <= test->h);
+
+ ff_draw_color(&test->draw, &draw_color, color);
+ ff_fill_rectangle(&test->draw, &draw_color,
+ frame->data, frame->linesize, x, y, w, h);
+}
+
+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 }
+};
+
+#if CONFIG_SMPTEBARS_FILTER
+
+#define smptebars_options options
+AVFILTER_DEFINE_CLASS(smptebars);
+
+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);
+
+ 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, black, 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, black, 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, black, 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);
+}
+
+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 */
+
+#if CONFIG_SMPTEHDBARS_FILTER
+
+#define smptehdbars_options options
+AVFILTER_DEFINE_CLASS(smptehdbars);
+
+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);
+
+ 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, rainbow[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, rainbow[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] =
+ yramp[1] =
+ yramp[2] = i * 255 / tmp;
+ 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);
+}
+
+AVFilter avfilter_vsrc_smptehdbars = {
+ .name = "smptehdbars",
+ .description = NULL_IF_CONFIG_SMALL("Generate SMPTE HD color bars."),
+ .priv_size = sizeof(TestSourceContext),
+ .init = smptehdbars_init,
+ .uninit = uninit,
+
+ .query_formats = smptebars_query_formats,
+ .inputs = NULL,
+ .outputs = smptebars_outputs,
+ .priv_class = &smptehdbars_class,
+};
+
+#endif /* CONFIG_SMPTEHDBARS_FILTER */
+#endif /* CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 17:07:54 +0000