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https://git.videolan.org/git/ffmpeg.git
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796 lines
25 KiB
C
796 lines
25 KiB
C
/*
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* Copyright (c) 2007 Nicolas George <nicolas.george@normalesup.org>
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* Copyright (c) 2011 Stefano Sabatini
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* Copyright (c) 2012 Paul B Mahol
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* Misc test sources.
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*
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* testsrc is based on the test pattern generator demuxer by Nicolas George:
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* http://lists.ffmpeg.org/pipermail/ffmpeg-devel/2007-October/037845.html
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*
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* rgbtestsrc is ported from MPlayer libmpcodecs/vf_rgbtest.c by
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* Michael Niedermayer.
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*
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* smptebars is by Paul B Mahol.
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*/
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#include <float.h>
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#include "libavutil/common.h"
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#include "libavutil/opt.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/intreadwrite.h"
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#include "libavutil/parseutils.h"
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#include "avfilter.h"
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#include "drawutils.h"
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#include "formats.h"
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#include "internal.h"
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#include "video.h"
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typedef struct {
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const AVClass *class;
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int w, h;
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unsigned int nb_frame;
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AVRational time_base, frame_rate;
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int64_t pts;
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char *frame_rate_str; ///< video frame rate
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char *duration_str; ///< total duration of the generated video
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int64_t duration; ///< duration expressed in microseconds
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AVRational sar; ///< sample aspect ratio
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int nb_decimals;
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int draw_once; ///< draw only the first frame, always put out the same picture
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AVFilterBufferRef *picref; ///< cached reference containing the painted picture
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void (* fill_picture_fn)(AVFilterContext *ctx, AVFilterBufferRef *picref);
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/* only used by color */
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char *color_str;
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FFDrawContext draw;
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FFDrawColor color;
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uint8_t color_rgba[4];
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/* only used by rgbtest */
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uint8_t rgba_map[4];
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} TestSourceContext;
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#define OFFSET(x) offsetof(TestSourceContext, x)
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#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
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static const AVOption options[] = {
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{ "size", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },
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{ "s", "set video size", OFFSET(w), AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },
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{ "rate", "set video rate", OFFSET(frame_rate_str), AV_OPT_TYPE_STRING, {.str = "25"}, 0, 0, FLAGS },
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{ "r", "set video rate", OFFSET(frame_rate_str), AV_OPT_TYPE_STRING, {.str = "25"}, 0, 0, FLAGS },
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{ "duration", "set video duration", OFFSET(duration_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, FLAGS },
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{ "d", "set video duration", OFFSET(duration_str), AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, FLAGS },
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{ "sar", "set video sample aspect ratio", OFFSET(sar), AV_OPT_TYPE_RATIONAL, {.dbl= 1}, 0, INT_MAX, FLAGS },
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/* only used by color */
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{ "color", "set color", OFFSET(color_str), AV_OPT_TYPE_STRING, {.str = NULL}, CHAR_MIN, CHAR_MAX, FLAGS },
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{ "c", "set color", OFFSET(color_str), AV_OPT_TYPE_STRING, {.str = NULL}, CHAR_MIN, CHAR_MAX, FLAGS },
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/* only used by testsrc */
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{ "decimals", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, INT_MIN, INT_MAX, FLAGS },
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{ "n", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0}, INT_MIN, INT_MAX, FLAGS },
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{ NULL },
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};
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static av_cold int init(AVFilterContext *ctx, const char *args)
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{
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TestSourceContext *test = ctx->priv;
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int ret = 0;
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av_opt_set_defaults(test);
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if ((ret = (av_set_options_string(test, args, "=", ":"))) < 0)
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return ret;
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if ((ret = av_parse_video_rate(&test->frame_rate, test->frame_rate_str)) < 0) {
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av_log(ctx, AV_LOG_ERROR, "Invalid frame rate: '%s'\n", test->frame_rate_str);
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return ret;
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}
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test->duration = -1;
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if (test->duration_str &&
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(ret = av_parse_time(&test->duration, test->duration_str, 1)) < 0) {
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av_log(ctx, AV_LOG_ERROR, "Invalid duration: '%s'\n", test->duration_str);
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return ret;
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}
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if (test->nb_decimals && strcmp(ctx->filter->name, "testsrc")) {
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av_log(ctx, AV_LOG_WARNING,
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"Option 'decimals' is ignored with source '%s'\n",
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ctx->filter->name);
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}
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if (test->color_str) {
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if (!strcmp(ctx->filter->name, "color")) {
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ret = av_parse_color(test->color_rgba, test->color_str, -1, ctx);
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if (ret < 0)
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return ret;
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} else {
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av_log(ctx, AV_LOG_WARNING,
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"Option 'color' is ignored with source '%s'\n",
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ctx->filter->name);
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}
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}
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test->time_base = av_inv_q(test->frame_rate);
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test->nb_frame = 0;
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test->pts = 0;
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av_log(ctx, AV_LOG_VERBOSE, "size:%dx%d rate:%d/%d duration:%f sar:%d/%d\n",
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test->w, test->h, test->frame_rate.num, test->frame_rate.den,
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test->duration < 0 ? -1 : (double)test->duration/1000000,
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test->sar.num, test->sar.den);
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return 0;
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}
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static av_cold void uninit(AVFilterContext *ctx)
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{
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TestSourceContext *test = ctx->priv;
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av_opt_free(test);
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avfilter_unref_bufferp(&test->picref);
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}
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static int config_props(AVFilterLink *outlink)
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{
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TestSourceContext *test = outlink->src->priv;
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outlink->w = test->w;
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outlink->h = test->h;
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outlink->sample_aspect_ratio = test->sar;
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outlink->frame_rate = test->frame_rate;
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outlink->time_base = test->time_base;
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return 0;
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}
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static int request_frame(AVFilterLink *outlink)
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{
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TestSourceContext *test = outlink->src->priv;
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AVFilterBufferRef *outpicref;
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if (test->duration >= 0 &&
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av_rescale_q(test->pts, test->time_base, AV_TIME_BASE_Q) >= test->duration)
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return AVERROR_EOF;
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if (test->draw_once) {
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if (!test->picref) {
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test->picref =
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ff_get_video_buffer(outlink, AV_PERM_WRITE|AV_PERM_PRESERVE|AV_PERM_REUSE,
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test->w, test->h);
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if (!test->picref)
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return AVERROR(ENOMEM);
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test->fill_picture_fn(outlink->src, test->picref);
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}
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outpicref = avfilter_ref_buffer(test->picref, ~AV_PERM_WRITE);
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} else
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outpicref = ff_get_video_buffer(outlink, AV_PERM_WRITE, test->w, test->h);
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if (!outpicref)
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return AVERROR(ENOMEM);
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outpicref->pts = test->pts;
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outpicref->pos = -1;
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outpicref->video->key_frame = 1;
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outpicref->video->interlaced = 0;
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outpicref->video->pict_type = AV_PICTURE_TYPE_I;
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outpicref->video->sample_aspect_ratio = test->sar;
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if (!test->draw_once)
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test->fill_picture_fn(outlink->src, outpicref);
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test->pts++;
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test->nb_frame++;
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return ff_filter_frame(outlink, outpicref);
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}
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#if CONFIG_COLOR_FILTER
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#define color_options options
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AVFILTER_DEFINE_CLASS(color);
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static void color_fill_picture(AVFilterContext *ctx, AVFilterBufferRef *picref)
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{
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TestSourceContext *test = ctx->priv;
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ff_fill_rectangle(&test->draw, &test->color,
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picref->data, picref->linesize,
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0, 0, test->w, test->h);
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}
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static av_cold int color_init(AVFilterContext *ctx, const char *args)
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{
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TestSourceContext *test = ctx->priv;
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test->class = &color_class;
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test->fill_picture_fn = color_fill_picture;
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test->draw_once = 1;
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av_opt_set(test, "color", "black", 0);
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return init(ctx, args);
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}
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static int color_query_formats(AVFilterContext *ctx)
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{
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ff_set_common_formats(ctx, ff_draw_supported_pixel_formats(0));
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return 0;
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}
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static int color_config_props(AVFilterLink *inlink)
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{
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AVFilterContext *ctx = inlink->src;
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TestSourceContext *test = ctx->priv;
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int ret;
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ff_draw_init(&test->draw, inlink->format, 0);
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ff_draw_color(&test->draw, &test->color, test->color_rgba);
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test->w = ff_draw_round_to_sub(&test->draw, 0, -1, test->w);
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test->h = ff_draw_round_to_sub(&test->draw, 1, -1, test->h);
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if (av_image_check_size(test->w, test->h, 0, ctx) < 0)
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return AVERROR(EINVAL);
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if ((ret = config_props(inlink)) < 0)
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return ret;
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av_log(ctx, AV_LOG_VERBOSE, "color:0x%02x%02x%02x%02x\n",
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test->color_rgba[0], test->color_rgba[1], test->color_rgba[2], test->color_rgba[3]);
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return 0;
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}
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static const AVFilterPad color_outputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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.request_frame = request_frame,
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.config_props = color_config_props,
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},
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{ NULL }
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};
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AVFilter avfilter_vsrc_color = {
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.name = "color",
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.description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input."),
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.priv_size = sizeof(TestSourceContext),
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.init = color_init,
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.uninit = uninit,
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.query_formats = color_query_formats,
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.inputs = NULL,
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.outputs = color_outputs,
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.priv_class = &color_class,
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};
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#endif /* CONFIG_COLOR_FILTER */
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#if CONFIG_NULLSRC_FILTER
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#define nullsrc_options options
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AVFILTER_DEFINE_CLASS(nullsrc);
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static void nullsrc_fill_picture(AVFilterContext *ctx, AVFilterBufferRef *picref) { }
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static av_cold int nullsrc_init(AVFilterContext *ctx, const char *args)
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{
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TestSourceContext *test = ctx->priv;
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test->class = &nullsrc_class;
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test->fill_picture_fn = nullsrc_fill_picture;
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return init(ctx, args);
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}
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static const AVFilterPad nullsrc_outputs[] = {
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{
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.name = "default",
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.type = AVMEDIA_TYPE_VIDEO,
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.request_frame = request_frame,
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.config_props = config_props,
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},
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{ NULL },
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};
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AVFilter avfilter_vsrc_nullsrc = {
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.name = "nullsrc",
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.description = NULL_IF_CONFIG_SMALL("Null video source, return unprocessed video frames."),
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.init = nullsrc_init,
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.uninit = uninit,
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.priv_size = sizeof(TestSourceContext),
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.inputs = NULL,
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.outputs = nullsrc_outputs,
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.priv_class = &nullsrc_class,
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};
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#endif /* CONFIG_NULLSRC_FILTER */
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#if CONFIG_TESTSRC_FILTER
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#define testsrc_options options
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AVFILTER_DEFINE_CLASS(testsrc);
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/**
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* Fill a rectangle with value val.
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*
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* @param val the RGB value to set
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* @param dst pointer to the destination buffer to fill
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* @param dst_linesize linesize of destination
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* @param segment_width width of the segment
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* @param x horizontal coordinate where to draw the rectangle in the destination buffer
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* @param y horizontal coordinate where to draw the rectangle in the destination buffer
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* @param w width of the rectangle to draw, expressed as a number of segment_width units
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* @param h height of the rectangle to draw, expressed as a number of segment_width units
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*/
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static void draw_rectangle(unsigned val, uint8_t *dst, int dst_linesize, unsigned segment_width,
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unsigned x, unsigned y, unsigned w, unsigned h)
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{
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int i;
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int step = 3;
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dst += segment_width * (step * x + y * dst_linesize);
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w *= segment_width * step;
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h *= segment_width;
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for (i = 0; i < h; i++) {
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memset(dst, val, w);
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dst += dst_linesize;
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}
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}
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static void draw_digit(int digit, uint8_t *dst, unsigned dst_linesize,
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unsigned segment_width)
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{
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#define TOP_HBAR 1
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#define MID_HBAR 2
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#define BOT_HBAR 4
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#define LEFT_TOP_VBAR 8
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#define LEFT_BOT_VBAR 16
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#define RIGHT_TOP_VBAR 32
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#define RIGHT_BOT_VBAR 64
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struct {
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int x, y, w, h;
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} segments[] = {
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{ 1, 0, 5, 1 }, /* TOP_HBAR */
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{ 1, 6, 5, 1 }, /* MID_HBAR */
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{ 1, 12, 5, 1 }, /* BOT_HBAR */
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{ 0, 1, 1, 5 }, /* LEFT_TOP_VBAR */
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{ 0, 7, 1, 5 }, /* LEFT_BOT_VBAR */
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{ 6, 1, 1, 5 }, /* RIGHT_TOP_VBAR */
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{ 6, 7, 1, 5 } /* RIGHT_BOT_VBAR */
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};
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static const unsigned char masks[10] = {
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/* 0 */ TOP_HBAR |BOT_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
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/* 1 */ RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
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/* 2 */ TOP_HBAR|MID_HBAR|BOT_HBAR|LEFT_BOT_VBAR |RIGHT_TOP_VBAR,
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/* 3 */ TOP_HBAR|MID_HBAR|BOT_HBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
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/* 4 */ MID_HBAR |LEFT_TOP_VBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
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/* 5 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR |RIGHT_BOT_VBAR,
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/* 6 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR |RIGHT_BOT_VBAR,
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/* 7 */ TOP_HBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
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/* 8 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
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/* 9 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
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};
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unsigned mask = masks[digit];
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int i;
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draw_rectangle(0, dst, dst_linesize, segment_width, 0, 0, 8, 13);
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for (i = 0; i < FF_ARRAY_ELEMS(segments); i++)
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if (mask & (1<<i))
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draw_rectangle(255, dst, dst_linesize, segment_width,
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segments[i].x, segments[i].y, segments[i].w, segments[i].h);
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}
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#define GRADIENT_SIZE (6 * 256)
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static void test_fill_picture(AVFilterContext *ctx, AVFilterBufferRef *picref)
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{
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TestSourceContext *test = ctx->priv;
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uint8_t *p, *p0;
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int x, y;
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int color, color_rest;
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int icolor;
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int radius;
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int quad0, quad;
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int dquad_x, dquad_y;
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int grad, dgrad, rgrad, drgrad;
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int seg_size;
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int second;
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int i;
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uint8_t *data = picref->data[0];
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int width = picref->video->w;
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int height = picref->video->h;
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/* draw colored bars and circle */
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radius = (width + height) / 4;
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quad0 = width * width / 4 + height * height / 4 - radius * radius;
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dquad_y = 1 - height;
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p0 = data;
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for (y = 0; y < height; y++) {
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p = p0;
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color = 0;
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color_rest = 0;
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quad = quad0;
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dquad_x = 1 - width;
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for (x = 0; x < width; x++) {
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icolor = color;
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if (quad < 0)
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icolor ^= 7;
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quad += dquad_x;
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dquad_x += 2;
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*(p++) = icolor & 1 ? 255 : 0;
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*(p++) = icolor & 2 ? 255 : 0;
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*(p++) = icolor & 4 ? 255 : 0;
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color_rest += 8;
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if (color_rest >= width) {
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color_rest -= width;
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color++;
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}
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}
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quad0 += dquad_y;
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dquad_y += 2;
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p0 += picref->linesize[0];
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}
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/* draw sliding color line */
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p0 = p = data + picref->linesize[0] * height * 3/4;
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grad = (256 * test->nb_frame * test->time_base.num / test->time_base.den) %
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GRADIENT_SIZE;
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rgrad = 0;
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dgrad = GRADIENT_SIZE / width;
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drgrad = GRADIENT_SIZE % width;
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for (x = 0; x < width; x++) {
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*(p++) =
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grad < 256 || grad >= 5 * 256 ? 255 :
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grad >= 2 * 256 && grad < 4 * 256 ? 0 :
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grad < 2 * 256 ? 2 * 256 - 1 - grad : grad - 4 * 256;
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*(p++) =
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grad >= 4 * 256 ? 0 :
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|
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+picref->linesize[0], p, 3 * width);
|
|
p += picref->linesize[0];
|
|
}
|
|
|
|
/* draw digits */
|
|
seg_size = width / 80;
|
|
if (seg_size >= 1 && height >= 13 * seg_size) {
|
|
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 * picref->linesize[0]);
|
|
for (i = 0; i < 8; i++) {
|
|
p -= 3 * 8 * seg_size;
|
|
draw_digit(second % 10, p, picref->linesize[0], seg_size);
|
|
second /= 10;
|
|
if (second == 0)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
static av_cold int test_init(AVFilterContext *ctx, const char *args)
|
|
{
|
|
TestSourceContext *test = ctx->priv;
|
|
|
|
test->class = &testsrc_class;
|
|
test->fill_picture_fn = test_fill_picture;
|
|
return init(ctx, args);
|
|
}
|
|
|
|
static int test_query_formats(AVFilterContext *ctx)
|
|
{
|
|
static const enum AVPixelFormat pix_fmts[] = {
|
|
AV_PIX_FMT_RGB24, AV_PIX_FMT_NONE
|
|
};
|
|
ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
|
|
return 0;
|
|
}
|
|
|
|
static const AVFilterPad avfilter_vsrc_testsrc_outputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.request_frame = request_frame,
|
|
.config_props = config_props,
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
AVFilter avfilter_vsrc_testsrc = {
|
|
.name = "testsrc",
|
|
.description = NULL_IF_CONFIG_SMALL("Generate test pattern."),
|
|
.priv_size = sizeof(TestSourceContext),
|
|
.init = test_init,
|
|
.uninit = uninit,
|
|
|
|
.query_formats = test_query_formats,
|
|
|
|
.inputs = NULL,
|
|
.outputs = avfilter_vsrc_testsrc_outputs,
|
|
.priv_class = &testsrc_class,
|
|
};
|
|
|
|
#endif /* CONFIG_TESTSRC_FILTER */
|
|
|
|
#if CONFIG_RGBTESTSRC_FILTER
|
|
|
|
#define rgbtestsrc_options options
|
|
AVFILTER_DEFINE_CLASS(rgbtestsrc);
|
|
|
|
#define R 0
|
|
#define G 1
|
|
#define B 2
|
|
#define A 3
|
|
|
|
static void rgbtest_put_pixel(uint8_t *dst, int dst_linesize,
|
|
int x, int y, int r, int g, int b, enum AVPixelFormat fmt,
|
|
uint8_t rgba_map[4])
|
|
{
|
|
int32_t v;
|
|
uint8_t *p;
|
|
|
|
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)) + (255 << (rgba_map[A]*8));
|
|
p = dst + 4*x + y*dst_linesize;
|
|
AV_WL32(p, v);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void rgbtest_fill_picture(AVFilterContext *ctx, AVFilterBufferRef *picref)
|
|
{
|
|
TestSourceContext *test = ctx->priv;
|
|
int x, y, w = picref->video->w, h = picref->video->h;
|
|
|
|
for (y = 0; y < h; y++) {
|
|
for (x = 0; x < picref->video->w; x++) {
|
|
int c = 256*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(picref->data[0], picref->linesize[0], x, y, r, g, b,
|
|
ctx->outputs[0]->format, test->rgba_map);
|
|
}
|
|
}
|
|
}
|
|
|
|
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(ctx, args);
|
|
}
|
|
|
|
static int rgbtest_query_formats(AVFilterContext *ctx)
|
|
{
|
|
static const enum AVPixelFormat 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_NONE
|
|
};
|
|
ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
|
|
return 0;
|
|
}
|
|
|
|
static int rgbtest_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_rgbtestsrc_outputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.request_frame = request_frame,
|
|
.config_props = rgbtest_config_props,
|
|
},
|
|
{ NULL }
|
|
};
|
|
|
|
AVFilter avfilter_vsrc_rgbtestsrc = {
|
|
.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,
|
|
|
|
.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, AVFilterBufferRef *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 */
|