yading@11: /*
yading@11:  * Copyright (c) 2007 Nicolas George <nicolas.george@normalesup.org>
yading@11:  * Copyright (c) 2011 Stefano Sabatini
yading@11:  * Copyright (c) 2012 Paul B Mahol
yading@11:  *
yading@11:  * This file is part of FFmpeg.
yading@11:  *
yading@11:  * FFmpeg is free software; you can redistribute it and/or
yading@11:  * modify it under the terms of the GNU Lesser General Public
yading@11:  * License as published by the Free Software Foundation; either
yading@11:  * version 2.1 of the License, or (at your option) any later version.
yading@11:  *
yading@11:  * FFmpeg is distributed in the hope that it will be useful,
yading@11:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@11:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@11:  * Lesser General Public License for more details.
yading@11:  *
yading@11:  * You should have received a copy of the GNU Lesser General Public
yading@11:  * License along with FFmpeg; if not, write to the Free Software
yading@11:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@11:  */
yading@11: 
yading@11: /**
yading@11:  * @file
yading@11:  * Misc test sources.
yading@11:  *
yading@11:  * testsrc is based on the test pattern generator demuxer by Nicolas George:
yading@11:  * http://lists.ffmpeg.org/pipermail/ffmpeg-devel/2007-October/037845.html
yading@11:  *
yading@11:  * rgbtestsrc is ported from MPlayer libmpcodecs/vf_rgbtest.c by
yading@11:  * Michael Niedermayer.
yading@11:  *
yading@11:  * smptebars and smptehdbars are by Paul B Mahol.
yading@11:  */
yading@11: 
yading@11: #include <float.h>
yading@11: 
yading@11: #include "libavutil/avassert.h"
yading@11: #include "libavutil/common.h"
yading@11: #include "libavutil/opt.h"
yading@11: #include "libavutil/imgutils.h"
yading@11: #include "libavutil/intreadwrite.h"
yading@11: #include "libavutil/parseutils.h"
yading@11: #include "avfilter.h"
yading@11: #include "drawutils.h"
yading@11: #include "formats.h"
yading@11: #include "internal.h"
yading@11: #include "video.h"
yading@11: 
yading@11: typedef struct {
yading@11:     const AVClass *class;
yading@11:     int w, h;
yading@11:     unsigned int nb_frame;
yading@11:     AVRational time_base, frame_rate;
yading@11:     int64_t pts;
yading@11:     int64_t duration;           ///< duration expressed in microseconds
yading@11:     AVRational sar;             ///< sample aspect ratio
yading@11:     int nb_decimals;
yading@11:     int draw_once;              ///< draw only the first frame, always put out the same picture
yading@11:     AVFrame *picref;            ///< cached reference containing the painted picture
yading@11: 
yading@11:     void (* fill_picture_fn)(AVFilterContext *ctx, AVFrame *frame);
yading@11: 
yading@11:     /* only used by color */
yading@11:     char *color_str;
yading@11:     FFDrawContext draw;
yading@11:     FFDrawColor color;
yading@11:     uint8_t color_rgba[4];
yading@11: 
yading@11:     /* only used by rgbtest */
yading@11:     uint8_t rgba_map[4];
yading@11: } TestSourceContext;
yading@11: 
yading@11: #define OFFSET(x) offsetof(TestSourceContext, x)
yading@11: #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
yading@11: 
yading@11: #define COMMON_OPTIONS \
yading@11:     { "size",     "set video size",     OFFSET(w),        AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\
yading@11:     { "s",        "set video size",     OFFSET(w),        AV_OPT_TYPE_IMAGE_SIZE, {.str = "320x240"}, 0, 0, FLAGS },\
yading@11:     { "rate",     "set video rate",     OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0, FLAGS },\
yading@11:     { "r",        "set video rate",     OFFSET(frame_rate), AV_OPT_TYPE_VIDEO_RATE, {.str = "25"}, 0, 0, FLAGS },\
yading@11:     { "duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
yading@11:     { "d",        "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64 = -1}, -1, INT64_MAX, FLAGS },\
yading@11:     { "sar",      "set video sample aspect ratio", OFFSET(sar), AV_OPT_TYPE_RATIONAL, {.dbl= 1},  0, INT_MAX, FLAGS },
yading@11: 
yading@11: 
yading@11: static const AVOption color_options[] = {
yading@11:     /* only used by color */
yading@11:     { "color", "set color", OFFSET(color_str), AV_OPT_TYPE_STRING, {.str = "black"}, CHAR_MIN, CHAR_MAX, FLAGS },
yading@11:     { "c",     "set color", OFFSET(color_str), AV_OPT_TYPE_STRING, {.str = "black"}, CHAR_MIN, CHAR_MAX, FLAGS },
yading@11: 
yading@11:     COMMON_OPTIONS
yading@11:     { NULL },
yading@11: };
yading@11: 
yading@11: static const AVOption options[] = {
yading@11:     COMMON_OPTIONS
yading@11:     /* only used by testsrc */
yading@11:     { "decimals", "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0},  0, 17, FLAGS },
yading@11:     { "n",        "set number of decimals to show", OFFSET(nb_decimals), AV_OPT_TYPE_INT, {.i64=0},  0, 17, FLAGS },
yading@11: 
yading@11:     { NULL },
yading@11: };
yading@11: 
yading@11: static av_cold int init(AVFilterContext *ctx)
yading@11: {
yading@11:     TestSourceContext *test = ctx->priv;
yading@11:     int ret = 0;
yading@11: 
yading@11:     if (test->nb_decimals && strcmp(ctx->filter->name, "testsrc")) {
yading@11:         av_log(ctx, AV_LOG_WARNING,
yading@11:                "Option 'decimals' is ignored with source '%s'\n",
yading@11:                ctx->filter->name);
yading@11:     }
yading@11: 
yading@11:     if (test->color_str) {
yading@11:         if (!strcmp(ctx->filter->name, "color")) {
yading@11:             ret = av_parse_color(test->color_rgba, test->color_str, -1, ctx);
yading@11:             if (ret < 0)
yading@11:                 return ret;
yading@11:         } else {
yading@11:             av_log(ctx, AV_LOG_WARNING,
yading@11:                    "Option 'color' is ignored with source '%s'\n",
yading@11:                    ctx->filter->name);
yading@11:         }
yading@11:     }
yading@11: 
yading@11:     test->time_base = av_inv_q(test->frame_rate);
yading@11:     test->nb_frame = 0;
yading@11:     test->pts = 0;
yading@11: 
yading@11:     av_log(ctx, AV_LOG_VERBOSE, "size:%dx%d rate:%d/%d duration:%f sar:%d/%d\n",
yading@11:            test->w, test->h, test->frame_rate.num, test->frame_rate.den,
yading@11:            test->duration < 0 ? -1 : (double)test->duration/1000000,
yading@11:            test->sar.num, test->sar.den);
yading@11:     return 0;
yading@11: }
yading@11: 
yading@11: static av_cold void uninit(AVFilterContext *ctx)
yading@11: {
yading@11:     TestSourceContext *test = ctx->priv;
yading@11: 
yading@11:     av_frame_free(&test->picref);
yading@11: }
yading@11: 
yading@11: static int config_props(AVFilterLink *outlink)
yading@11: {
yading@11:     TestSourceContext *test = outlink->src->priv;
yading@11: 
yading@11:     outlink->w = test->w;
yading@11:     outlink->h = test->h;
yading@11:     outlink->sample_aspect_ratio = test->sar;
yading@11:     outlink->frame_rate = test->frame_rate;
yading@11:     outlink->time_base  = test->time_base;
yading@11: 
yading@11:     return 0;
yading@11: }
yading@11: 
yading@11: static int request_frame(AVFilterLink *outlink)
yading@11: {
yading@11:     TestSourceContext *test = outlink->src->priv;
yading@11:     AVFrame *frame;
yading@11: 
yading@11:     if (test->duration >= 0 &&
yading@11:         av_rescale_q(test->pts, test->time_base, AV_TIME_BASE_Q) >= test->duration)
yading@11:         return AVERROR_EOF;
yading@11: 
yading@11:     if (test->draw_once) {
yading@11:         if (!test->picref) {
yading@11:             test->picref =
yading@11:                 ff_get_video_buffer(outlink, test->w, test->h);
yading@11:             if (!test->picref)
yading@11:                 return AVERROR(ENOMEM);
yading@11:             test->fill_picture_fn(outlink->src, test->picref);
yading@11:         }
yading@11:         frame = av_frame_clone(test->picref);
yading@11:     } else
yading@11:         frame = ff_get_video_buffer(outlink, test->w, test->h);
yading@11: 
yading@11:     if (!frame)
yading@11:         return AVERROR(ENOMEM);
yading@11:     frame->pts                 = test->pts;
yading@11:     frame->key_frame           = 1;
yading@11:     frame->interlaced_frame    = 0;
yading@11:     frame->pict_type           = AV_PICTURE_TYPE_I;
yading@11:     frame->sample_aspect_ratio = test->sar;
yading@11:     if (!test->draw_once)
yading@11:         test->fill_picture_fn(outlink->src, frame);
yading@11: 
yading@11:     test->pts++;
yading@11:     test->nb_frame++;
yading@11: 
yading@11:     return ff_filter_frame(outlink, frame);
yading@11: }
yading@11: 
yading@11: #if CONFIG_COLOR_FILTER
yading@11: 
yading@11: AVFILTER_DEFINE_CLASS(color);
yading@11: 
yading@11: static void color_fill_picture(AVFilterContext *ctx, AVFrame *picref)
yading@11: {
yading@11:     TestSourceContext *test = ctx->priv;
yading@11:     ff_fill_rectangle(&test->draw, &test->color,
yading@11:                       picref->data, picref->linesize,
yading@11:                       0, 0, test->w, test->h);
yading@11: }
yading@11: 
yading@11: static av_cold int color_init(AVFilterContext *ctx)
yading@11: {
yading@11:     TestSourceContext *test = ctx->priv;
yading@11:     test->fill_picture_fn = color_fill_picture;
yading@11:     test->draw_once = 1;
yading@11:     return init(ctx);
yading@11: }
yading@11: 
yading@11: static int color_query_formats(AVFilterContext *ctx)
yading@11: {
yading@11:     ff_set_common_formats(ctx, ff_draw_supported_pixel_formats(0));
yading@11:     return 0;
yading@11: }
yading@11: 
yading@11: static int color_config_props(AVFilterLink *inlink)
yading@11: {
yading@11:     AVFilterContext *ctx = inlink->src;
yading@11:     TestSourceContext *test = ctx->priv;
yading@11:     int ret;
yading@11: 
yading@11:     ff_draw_init(&test->draw, inlink->format, 0);
yading@11:     ff_draw_color(&test->draw, &test->color, test->color_rgba);
yading@11: 
yading@11:     test->w = ff_draw_round_to_sub(&test->draw, 0, -1, test->w);
yading@11:     test->h = ff_draw_round_to_sub(&test->draw, 1, -1, test->h);
yading@11:     if (av_image_check_size(test->w, test->h, 0, ctx) < 0)
yading@11:         return AVERROR(EINVAL);
yading@11: 
yading@11:     if ((ret = config_props(inlink)) < 0)
yading@11:         return ret;
yading@11: 
yading@11:     av_log(ctx, AV_LOG_VERBOSE, "color:0x%02x%02x%02x%02x\n",
yading@11:            test->color_rgba[0], test->color_rgba[1], test->color_rgba[2], test->color_rgba[3]);
yading@11:     return 0;
yading@11: }
yading@11: 
yading@11: static const AVFilterPad color_outputs[] = {
yading@11:     {
yading@11:         .name          = "default",
yading@11:         .type          = AVMEDIA_TYPE_VIDEO,
yading@11:         .request_frame = request_frame,
yading@11:         .config_props  = color_config_props,
yading@11:     },
yading@11:     {  NULL }
yading@11: };
yading@11: 
yading@11: AVFilter avfilter_vsrc_color = {
yading@11:     .name        = "color",
yading@11:     .description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input."),
yading@11: 
yading@11:     .priv_class = &color_class,
yading@11:     .priv_size = sizeof(TestSourceContext),
yading@11:     .init      = color_init,
yading@11:     .uninit    = uninit,
yading@11: 
yading@11:     .query_formats = color_query_formats,
yading@11:     .inputs        = NULL,
yading@11:     .outputs       = color_outputs,
yading@11: };
yading@11: 
yading@11: #endif /* CONFIG_COLOR_FILTER */
yading@11: 
yading@11: #if CONFIG_NULLSRC_FILTER
yading@11: 
yading@11: #define nullsrc_options options
yading@11: AVFILTER_DEFINE_CLASS(nullsrc);
yading@11: 
yading@11: static void nullsrc_fill_picture(AVFilterContext *ctx, AVFrame *picref) { }
yading@11: 
yading@11: static av_cold int nullsrc_init(AVFilterContext *ctx)
yading@11: {
yading@11:     TestSourceContext *test = ctx->priv;
yading@11: 
yading@11:     test->fill_picture_fn = nullsrc_fill_picture;
yading@11:     return init(ctx);
yading@11: }
yading@11: 
yading@11: static const AVFilterPad nullsrc_outputs[] = {
yading@11:     {
yading@11:         .name          = "default",
yading@11:         .type          = AVMEDIA_TYPE_VIDEO,
yading@11:         .request_frame = request_frame,
yading@11:         .config_props  = config_props,
yading@11:     },
yading@11:     { NULL },
yading@11: };
yading@11: 
yading@11: AVFilter avfilter_vsrc_nullsrc = {
yading@11:     .name        = "nullsrc",
yading@11:     .description = NULL_IF_CONFIG_SMALL("Null video source, return unprocessed video frames."),
yading@11:     .init       = nullsrc_init,
yading@11:     .uninit     = uninit,
yading@11:     .priv_size  = sizeof(TestSourceContext),
yading@11:     .priv_class = &nullsrc_class,
yading@11:     .inputs     = NULL,
yading@11:     .outputs    = nullsrc_outputs,
yading@11: };
yading@11: 
yading@11: #endif /* CONFIG_NULLSRC_FILTER */
yading@11: 
yading@11: #if CONFIG_TESTSRC_FILTER
yading@11: 
yading@11: #define testsrc_options options
yading@11: AVFILTER_DEFINE_CLASS(testsrc);
yading@11: 
yading@11: /**
yading@11:  * Fill a rectangle with value val.
yading@11:  *
yading@11:  * @param val the RGB value to set
yading@11:  * @param dst pointer to the destination buffer to fill
yading@11:  * @param dst_linesize linesize of destination
yading@11:  * @param segment_width width of the segment
yading@11:  * @param x horizontal coordinate where to draw the rectangle in the destination buffer
yading@11:  * @param y horizontal coordinate where to draw the rectangle in the destination buffer
yading@11:  * @param w width  of the rectangle to draw, expressed as a number of segment_width units
yading@11:  * @param h height of the rectangle to draw, expressed as a number of segment_width units
yading@11:  */
yading@11: static void draw_rectangle(unsigned val, uint8_t *dst, int dst_linesize, int segment_width,
yading@11:                            int x, int y, int w, int h)
yading@11: {
yading@11:     int i;
yading@11:     int step = 3;
yading@11: 
yading@11:     dst += segment_width * (step * x + y * dst_linesize);
yading@11:     w *= segment_width * step;
yading@11:     h *= segment_width;
yading@11:     for (i = 0; i < h; i++) {
yading@11:         memset(dst, val, w);
yading@11:         dst += dst_linesize;
yading@11:     }
yading@11: }
yading@11: 
yading@11: static void draw_digit(int digit, uint8_t *dst, int dst_linesize,
yading@11:                        int segment_width)
yading@11: {
yading@11: #define TOP_HBAR        1
yading@11: #define MID_HBAR        2
yading@11: #define BOT_HBAR        4
yading@11: #define LEFT_TOP_VBAR   8
yading@11: #define LEFT_BOT_VBAR  16
yading@11: #define RIGHT_TOP_VBAR 32
yading@11: #define RIGHT_BOT_VBAR 64
yading@11:     struct {
yading@11:         int x, y, w, h;
yading@11:     } segments[] = {
yading@11:         { 1,  0, 5, 1 }, /* TOP_HBAR */
yading@11:         { 1,  6, 5, 1 }, /* MID_HBAR */
yading@11:         { 1, 12, 5, 1 }, /* BOT_HBAR */
yading@11:         { 0,  1, 1, 5 }, /* LEFT_TOP_VBAR */
yading@11:         { 0,  7, 1, 5 }, /* LEFT_BOT_VBAR */
yading@11:         { 6,  1, 1, 5 }, /* RIGHT_TOP_VBAR */
yading@11:         { 6,  7, 1, 5 }  /* RIGHT_BOT_VBAR */
yading@11:     };
yading@11:     static const unsigned char masks[10] = {
yading@11:         /* 0 */ TOP_HBAR         |BOT_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
yading@11:         /* 1 */                                                        RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
yading@11:         /* 2 */ TOP_HBAR|MID_HBAR|BOT_HBAR|LEFT_BOT_VBAR                             |RIGHT_TOP_VBAR,
yading@11:         /* 3 */ TOP_HBAR|MID_HBAR|BOT_HBAR                            |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
yading@11:         /* 4 */          MID_HBAR         |LEFT_TOP_VBAR              |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
yading@11:         /* 5 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR                             |RIGHT_BOT_VBAR,
yading@11:         /* 6 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR               |RIGHT_BOT_VBAR,
yading@11:         /* 7 */ TOP_HBAR                                              |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
yading@11:         /* 8 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR|LEFT_BOT_VBAR|RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
yading@11:         /* 9 */ TOP_HBAR|BOT_HBAR|MID_HBAR|LEFT_TOP_VBAR              |RIGHT_TOP_VBAR|RIGHT_BOT_VBAR,
yading@11:     };
yading@11:     unsigned mask = masks[digit];
yading@11:     int i;
yading@11: 
yading@11:     draw_rectangle(0, dst, dst_linesize, segment_width, 0, 0, 8, 13);
yading@11:     for (i = 0; i < FF_ARRAY_ELEMS(segments); i++)
yading@11:         if (mask & (1<<i))
yading@11:             draw_rectangle(255, dst, dst_linesize, segment_width,
yading@11:                            segments[i].x, segments[i].y, segments[i].w, segments[i].h);
yading@11: }
yading@11: 
yading@11: #define GRADIENT_SIZE (6 * 256)
yading@11: 
yading@11: static void test_fill_picture(AVFilterContext *ctx, AVFrame *frame)
yading@11: {
yading@11:     TestSourceContext *test = ctx->priv;
yading@11:     uint8_t *p, *p0;
yading@11:     int x, y;
yading@11:     int color, color_rest;
yading@11:     int icolor;
yading@11:     int radius;
yading@11:     int quad0, quad;
yading@11:     int dquad_x, dquad_y;
yading@11:     int grad, dgrad, rgrad, drgrad;
yading@11:     int seg_size;
yading@11:     int second;
yading@11:     int i;
yading@11:     uint8_t *data = frame->data[0];
yading@11:     int width  = frame->width;
yading@11:     int height = frame->height;
yading@11: 
yading@11:     /* draw colored bars and circle */
yading@11:     radius = (width + height) / 4;
yading@11:     quad0 = width * width / 4 + height * height / 4 - radius * radius;
yading@11:     dquad_y = 1 - height;
yading@11:     p0 = data;
yading@11:     for (y = 0; y < height; y++) {
yading@11:         p = p0;
yading@11:         color = 0;
yading@11:         color_rest = 0;
yading@11:         quad = quad0;
yading@11:         dquad_x = 1 - width;
yading@11:         for (x = 0; x < width; x++) {
yading@11:             icolor = color;
yading@11:             if (quad < 0)
yading@11:                 icolor ^= 7;
yading@11:             quad += dquad_x;
yading@11:             dquad_x += 2;
yading@11:             *(p++) = icolor & 1 ? 255 : 0;
yading@11:             *(p++) = icolor & 2 ? 255 : 0;
yading@11:             *(p++) = icolor & 4 ? 255 : 0;
yading@11:             color_rest += 8;
yading@11:             if (color_rest >= width) {
yading@11:                 color_rest -= width;
yading@11:                 color++;
yading@11:             }
yading@11:         }
yading@11:         quad0 += dquad_y;
yading@11:         dquad_y += 2;
yading@11:         p0 += frame->linesize[0];
yading@11:     }
yading@11: 
yading@11:     /* draw sliding color line */
yading@11:     p0 = p = data + frame->linesize[0] * height * 3/4;
yading@11:     grad = (256 * test->nb_frame * test->time_base.num / test->time_base.den) %
yading@11:         GRADIENT_SIZE;
yading@11:     rgrad = 0;
yading@11:     dgrad = GRADIENT_SIZE / width;
yading@11:     drgrad = GRADIENT_SIZE % width;
yading@11:     for (x = 0; x < width; x++) {
yading@11:         *(p++) =
yading@11:             grad < 256 || grad >= 5 * 256 ? 255 :
yading@11:             grad >= 2 * 256 && grad < 4 * 256 ? 0 :
yading@11:             grad < 2 * 256 ? 2 * 256 - 1 - grad : grad - 4 * 256;
yading@11:         *(p++) =
yading@11:             grad >= 4 * 256 ? 0 :
yading@11:             grad >= 1 * 256 && grad < 3 * 256 ? 255 :
yading@11:             grad < 1 * 256 ? grad : 4 * 256 - 1 - grad;
yading@11:         *(p++) =
yading@11:             grad < 2 * 256 ? 0 :
yading@11:             grad >= 3 * 256 && grad < 5 * 256 ? 255 :
yading@11:             grad < 3 * 256 ? grad - 2 * 256 : 6 * 256 - 1 - grad;
yading@11:         grad += dgrad;
yading@11:         rgrad += drgrad;
yading@11:         if (rgrad >= GRADIENT_SIZE) {
yading@11:             grad++;
yading@11:             rgrad -= GRADIENT_SIZE;
yading@11:         }
yading@11:         if (grad >= GRADIENT_SIZE)
yading@11:             grad -= GRADIENT_SIZE;
yading@11:     }
yading@11:     p = p0;
yading@11:     for (y = height / 8; y > 0; y--) {
yading@11:         memcpy(p+frame->linesize[0], p, 3 * width);
yading@11:         p += frame->linesize[0];
yading@11:     }
yading@11: 
yading@11:     /* draw digits */
yading@11:     seg_size = width / 80;
yading@11:     if (seg_size >= 1 && height >= 13 * seg_size) {
yading@11:         int64_t p10decimals = 1;
yading@11:         double time = av_q2d(test->time_base) * test->nb_frame *
yading@11:                       pow(10, test->nb_decimals);
yading@11:         if (time >= INT_MAX)
yading@11:             return;
yading@11: 
yading@11:         for (x = 0; x < test->nb_decimals; x++)
yading@11:             p10decimals *= 10;
yading@11: 
yading@11:         second = av_rescale_rnd(test->nb_frame * test->time_base.num, p10decimals, test->time_base.den, AV_ROUND_ZERO);
yading@11:         x = width - (width - seg_size * 64) / 2;
yading@11:         y = (height - seg_size * 13) / 2;
yading@11:         p = data + (x*3 + y * frame->linesize[0]);
yading@11:         for (i = 0; i < 8; i++) {
yading@11:             p -= 3 * 8 * seg_size;
yading@11:             draw_digit(second % 10, p, frame->linesize[0], seg_size);
yading@11:             second /= 10;
yading@11:             if (second == 0)
yading@11:                 break;
yading@11:         }
yading@11:     }
yading@11: }
yading@11: 
yading@11: static av_cold int test_init(AVFilterContext *ctx)
yading@11: {
yading@11:     TestSourceContext *test = ctx->priv;
yading@11: 
yading@11:     test->fill_picture_fn = test_fill_picture;
yading@11:     return init(ctx);
yading@11: }
yading@11: 
yading@11: static int test_query_formats(AVFilterContext *ctx)
yading@11: {
yading@11:     static const enum AVPixelFormat pix_fmts[] = {
yading@11:         AV_PIX_FMT_RGB24, AV_PIX_FMT_NONE
yading@11:     };
yading@11:     ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
yading@11:     return 0;
yading@11: }
yading@11: 
yading@11: static const AVFilterPad avfilter_vsrc_testsrc_outputs[] = {
yading@11:     {
yading@11:         .name          = "default",
yading@11:         .type          = AVMEDIA_TYPE_VIDEO,
yading@11:         .request_frame = request_frame,
yading@11:         .config_props  = config_props,
yading@11:     },
yading@11:     { NULL }
yading@11: };
yading@11: 
yading@11: AVFilter avfilter_vsrc_testsrc = {
yading@11:     .name          = "testsrc",
yading@11:     .description   = NULL_IF_CONFIG_SMALL("Generate test pattern."),
yading@11:     .priv_size     = sizeof(TestSourceContext),
yading@11:     .priv_class    = &testsrc_class,
yading@11:     .init          = test_init,
yading@11:     .uninit        = uninit,
yading@11: 
yading@11:     .query_formats = test_query_formats,
yading@11: 
yading@11:     .inputs    = NULL,
yading@11:     .outputs   = avfilter_vsrc_testsrc_outputs,
yading@11: };
yading@11: 
yading@11: #endif /* CONFIG_TESTSRC_FILTER */
yading@11: 
yading@11: #if CONFIG_RGBTESTSRC_FILTER
yading@11: 
yading@11: #define rgbtestsrc_options options
yading@11: AVFILTER_DEFINE_CLASS(rgbtestsrc);
yading@11: 
yading@11: #define R 0
yading@11: #define G 1
yading@11: #define B 2
yading@11: #define A 3
yading@11: 
yading@11: static void rgbtest_put_pixel(uint8_t *dst, int dst_linesize,
yading@11:                               int x, int y, int r, int g, int b, enum AVPixelFormat fmt,
yading@11:                               uint8_t rgba_map[4])
yading@11: {
yading@11:     int32_t v;
yading@11:     uint8_t *p;
yading@11: 
yading@11:     switch (fmt) {
yading@11:     case AV_PIX_FMT_BGR444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r >> 4) << 8) | ((g >> 4) << 4) | (b >> 4); break;
yading@11:     case AV_PIX_FMT_RGB444: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b >> 4) << 8) | ((g >> 4) << 4) | (r >> 4); break;
yading@11:     case AV_PIX_FMT_BGR555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<10) | ((g>>3)<<5) | (b>>3); break;
yading@11:     case AV_PIX_FMT_RGB555: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<10) | ((g>>3)<<5) | (r>>3); break;
yading@11:     case AV_PIX_FMT_BGR565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((r>>3)<<11) | ((g>>2)<<5) | (b>>3); break;
yading@11:     case AV_PIX_FMT_RGB565: ((uint16_t*)(dst + y*dst_linesize))[x] = ((b>>3)<<11) | ((g>>2)<<5) | (r>>3); break;
yading@11:     case AV_PIX_FMT_RGB24:
yading@11:     case AV_PIX_FMT_BGR24:
yading@11:         v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8));
yading@11:         p = dst + 3*x + y*dst_linesize;
yading@11:         AV_WL24(p, v);
yading@11:         break;
yading@11:     case AV_PIX_FMT_RGBA:
yading@11:     case AV_PIX_FMT_BGRA:
yading@11:     case AV_PIX_FMT_ARGB:
yading@11:     case AV_PIX_FMT_ABGR:
yading@11:         v = (r << (rgba_map[R]*8)) + (g << (rgba_map[G]*8)) + (b << (rgba_map[B]*8)) + (255 << (rgba_map[A]*8));
yading@11:         p = dst + 4*x + y*dst_linesize;
yading@11:         AV_WL32(p, v);
yading@11:         break;
yading@11:     }
yading@11: }
yading@11: 
yading@11: static void rgbtest_fill_picture(AVFilterContext *ctx, AVFrame *frame)
yading@11: {
yading@11:     TestSourceContext *test = ctx->priv;
yading@11:     int x, y, w = frame->width, h = frame->height;
yading@11: 
yading@11:     for (y = 0; y < h; y++) {
yading@11:          for (x = 0; x < w; x++) {
yading@11:              int c = 256*x/w;
yading@11:              int r = 0, g = 0, b = 0;
yading@11: 
yading@11:              if      (3*y < h  ) r = c;
yading@11:              else if (3*y < 2*h) g = c;
yading@11:              else                b = c;
yading@11: 
yading@11:              rgbtest_put_pixel(frame->data[0], frame->linesize[0], x, y, r, g, b,
yading@11:                                ctx->outputs[0]->format, test->rgba_map);
yading@11:          }
yading@11:      }
yading@11: }
yading@11: 
yading@11: static av_cold int rgbtest_init(AVFilterContext *ctx)
yading@11: {
yading@11:     TestSourceContext *test = ctx->priv;
yading@11: 
yading@11:     test->draw_once = 1;
yading@11:     test->fill_picture_fn = rgbtest_fill_picture;
yading@11:     return init(ctx);
yading@11: }
yading@11: 
yading@11: static int rgbtest_query_formats(AVFilterContext *ctx)
yading@11: {
yading@11:     static const enum AVPixelFormat pix_fmts[] = {
yading@11:         AV_PIX_FMT_RGBA, AV_PIX_FMT_ARGB, AV_PIX_FMT_BGRA, AV_PIX_FMT_ABGR,
yading@11:         AV_PIX_FMT_BGR24, AV_PIX_FMT_RGB24,
yading@11:         AV_PIX_FMT_RGB444, AV_PIX_FMT_BGR444,
yading@11:         AV_PIX_FMT_RGB565, AV_PIX_FMT_BGR565,
yading@11:         AV_PIX_FMT_RGB555, AV_PIX_FMT_BGR555,
yading@11:         AV_PIX_FMT_NONE
yading@11:     };
yading@11:     ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
yading@11:     return 0;
yading@11: }
yading@11: 
yading@11: static int rgbtest_config_props(AVFilterLink *outlink)
yading@11: {
yading@11:     TestSourceContext *test = outlink->src->priv;
yading@11: 
yading@11:     ff_fill_rgba_map(test->rgba_map, outlink->format);
yading@11:     return config_props(outlink);
yading@11: }
yading@11: 
yading@11: static const AVFilterPad avfilter_vsrc_rgbtestsrc_outputs[] = {
yading@11:     {
yading@11:         .name          = "default",
yading@11:         .type          = AVMEDIA_TYPE_VIDEO,
yading@11:         .request_frame = request_frame,
yading@11:         .config_props  = rgbtest_config_props,
yading@11:     },
yading@11:     { NULL }
yading@11: };
yading@11: 
yading@11: AVFilter avfilter_vsrc_rgbtestsrc = {
yading@11:     .name          = "rgbtestsrc",
yading@11:     .description   = NULL_IF_CONFIG_SMALL("Generate RGB test pattern."),
yading@11:     .priv_size     = sizeof(TestSourceContext),
yading@11:     .priv_class    = &rgbtestsrc_class,
yading@11:     .init          = rgbtest_init,
yading@11:     .uninit        = uninit,
yading@11: 
yading@11:     .query_formats = rgbtest_query_formats,
yading@11: 
yading@11:     .inputs    = NULL,
yading@11: 
yading@11:     .outputs   = avfilter_vsrc_rgbtestsrc_outputs,
yading@11: };
yading@11: 
yading@11: #endif /* CONFIG_RGBTESTSRC_FILTER */
yading@11: 
yading@11: #if CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER
yading@11: 
yading@11: static const uint8_t rainbow[7][4] = {
yading@11:     { 191, 191, 191, 255 },     /* gray */
yading@11:     { 191, 191,   0, 255 },     /* yellow */
yading@11:     {   0, 191, 191, 255 },     /* cyan */
yading@11:     {   0, 191,   0, 255 },     /* green */
yading@11:     { 191,   0, 191, 255 },     /* magenta */
yading@11:     { 191,   0,   0, 255 },     /* red */
yading@11:     {   0,   0, 191, 255 },     /* blue */
yading@11: };
yading@11: 
yading@11: static const uint8_t wobnair[7][4] = {
yading@11:     {   0,   0, 191, 255 },     /* blue */
yading@11:     {  19,  19,  19, 255 },     /* 7.5% intensity black */
yading@11:     { 191,   0, 191, 255 },     /* magenta */
yading@11:     {  19,  19,  19, 255 },     /* 7.5% intensity black */
yading@11:     {   0, 191, 191, 255 },     /* cyan */
yading@11:     {  19,  19,  19, 255 },     /* 7.5% intensity black */
yading@11:     { 191, 191, 191, 255 },     /* gray */
yading@11: };
yading@11: 
yading@11: static const uint8_t white[4] = { 255, 255, 255, 255 };
yading@11: static const uint8_t black[4] = {  19,  19,  19, 255 }; /* 7.5% intensity black */
yading@11: 
yading@11: /* pluge pulses */
yading@11: static const uint8_t neg4ire[4] = {   9,   9,   9, 255 }; /*  3.5% intensity black */
yading@11: static const uint8_t pos4ire[4] = {  29,  29,  29, 255 }; /* 11.5% intensity black */
yading@11: 
yading@11: /* fudged Q/-I */
yading@11: static const uint8_t i_pixel[4] = {   0,  68, 130, 255 };
yading@11: static const uint8_t q_pixel[4] = {  67,   0, 130, 255 };
yading@11: 
yading@11: static const uint8_t gray40[4] = { 102, 102, 102, 255 };
yading@11: static const uint8_t gray15[4] = {  38,  38,  38, 255 };
yading@11: static const uint8_t   cyan[4] = {   0, 255, 255, 255 };
yading@11: static const uint8_t yellow[4] = { 255, 255,   0, 255 };
yading@11: static const uint8_t   blue[4] = {   0,   0, 255, 255 };
yading@11: static const uint8_t    red[4] = { 255,   0,   0, 255 };
yading@11: static const uint8_t black0[4] = {   5,   5,   5, 255 };
yading@11: static const uint8_t black2[4] = {  10,  10,  10, 255 };
yading@11: static const uint8_t black4[4] = {  15,  15,  15, 255 };
yading@11: static const uint8_t   neg2[4] = {   0,   0,   0, 255 };
yading@11: 
yading@11: static void inline draw_bar(TestSourceContext *test, const uint8_t *color,
yading@11:                             unsigned x, unsigned y, unsigned w, unsigned h,
yading@11:                             AVFrame *frame)
yading@11: {
yading@11:     FFDrawColor draw_color;
yading@11: 
yading@11:     x = FFMIN(x, test->w - 1);
yading@11:     y = FFMIN(y, test->h - 1);
yading@11:     w = FFMIN(w, test->w - x);
yading@11:     h = FFMIN(h, test->h - y);
yading@11: 
yading@11:     av_assert0(x + w <= test->w);
yading@11:     av_assert0(y + h <= test->h);
yading@11: 
yading@11:     ff_draw_color(&test->draw, &draw_color, color);
yading@11:     ff_fill_rectangle(&test->draw, &draw_color,
yading@11:                       frame->data, frame->linesize, x, y, w, h);
yading@11: }
yading@11: 
yading@11: static int smptebars_query_formats(AVFilterContext *ctx)
yading@11: {
yading@11:     ff_set_common_formats(ctx, ff_draw_supported_pixel_formats(0));
yading@11:     return 0;
yading@11: }
yading@11: 
yading@11: static int smptebars_config_props(AVFilterLink *outlink)
yading@11: {
yading@11:     AVFilterContext *ctx = outlink->src;
yading@11:     TestSourceContext *test = ctx->priv;
yading@11: 
yading@11:     ff_draw_init(&test->draw, outlink->format, 0);
yading@11: 
yading@11:     return config_props(outlink);
yading@11: }
yading@11: 
yading@11: static const AVFilterPad smptebars_outputs[] = {
yading@11:     {
yading@11:         .name          = "default",
yading@11:         .type          = AVMEDIA_TYPE_VIDEO,
yading@11:         .request_frame = request_frame,
yading@11:         .config_props  = smptebars_config_props,
yading@11:     },
yading@11:     { NULL }
yading@11: };
yading@11: 
yading@11: #if CONFIG_SMPTEBARS_FILTER
yading@11: 
yading@11: #define smptebars_options options
yading@11: AVFILTER_DEFINE_CLASS(smptebars);
yading@11: 
yading@11: static void smptebars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
yading@11: {
yading@11:     TestSourceContext *test = ctx->priv;
yading@11:     int r_w, r_h, w_h, p_w, p_h, i, tmp, x = 0;
yading@11:     const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
yading@11: 
yading@11:     r_w = FFALIGN((test->w + 6) / 7, 1 << pixdesc->log2_chroma_w);
yading@11:     r_h = FFALIGN(test->h * 2 / 3, 1 << pixdesc->log2_chroma_h);
yading@11:     w_h = FFALIGN(test->h * 3 / 4 - r_h,  1 << pixdesc->log2_chroma_h);
yading@11:     p_w = FFALIGN(r_w * 5 / 4, 1 << pixdesc->log2_chroma_w);
yading@11:     p_h = test->h - w_h - r_h;
yading@11: 
yading@11:     for (i = 0; i < 7; i++) {
yading@11:         draw_bar(test, rainbow[i], x, 0,   r_w, r_h, picref);
yading@11:         draw_bar(test, wobnair[i], x, r_h, r_w, w_h, picref);
yading@11:         x += r_w;
yading@11:     }
yading@11:     x = 0;
yading@11:     draw_bar(test, i_pixel, x, r_h + w_h, p_w, p_h, picref);
yading@11:     x += p_w;
yading@11:     draw_bar(test, white, x, r_h + w_h, p_w, p_h, picref);
yading@11:     x += p_w;
yading@11:     draw_bar(test, q_pixel, x, r_h + w_h, p_w, p_h, picref);
yading@11:     x += p_w;
yading@11:     tmp = FFALIGN(5 * r_w - x,  1 << pixdesc->log2_chroma_w);
yading@11:     draw_bar(test, black, x, r_h + w_h, tmp, p_h, picref);
yading@11:     x += tmp;
yading@11:     tmp = FFALIGN(r_w / 3,  1 << pixdesc->log2_chroma_w);
yading@11:     draw_bar(test, neg4ire, x, r_h + w_h, tmp, p_h, picref);
yading@11:     x += tmp;
yading@11:     draw_bar(test, black, x, r_h + w_h, tmp, p_h, picref);
yading@11:     x += tmp;
yading@11:     draw_bar(test, pos4ire, x, r_h + w_h, tmp, p_h, picref);
yading@11:     x += tmp;
yading@11:     draw_bar(test, black, x, r_h + w_h, test->w - x, p_h, picref);
yading@11: }
yading@11: 
yading@11: static av_cold int smptebars_init(AVFilterContext *ctx)
yading@11: {
yading@11:     TestSourceContext *test = ctx->priv;
yading@11: 
yading@11:     test->fill_picture_fn = smptebars_fill_picture;
yading@11:     test->draw_once = 1;
yading@11:     return init(ctx);
yading@11: }
yading@11: 
yading@11: AVFilter avfilter_vsrc_smptebars = {
yading@11:     .name      = "smptebars",
yading@11:     .description = NULL_IF_CONFIG_SMALL("Generate SMPTE color bars."),
yading@11:     .priv_size = sizeof(TestSourceContext),
yading@11:     .init      = smptebars_init,
yading@11:     .uninit    = uninit,
yading@11: 
yading@11:     .query_formats = smptebars_query_formats,
yading@11:     .inputs        = NULL,
yading@11:     .outputs       = smptebars_outputs,
yading@11:     .priv_class    = &smptebars_class,
yading@11: };
yading@11: 
yading@11: #endif  /* CONFIG_SMPTEBARS_FILTER */
yading@11: 
yading@11: #if CONFIG_SMPTEHDBARS_FILTER
yading@11: 
yading@11: #define smptehdbars_options options
yading@11: AVFILTER_DEFINE_CLASS(smptehdbars);
yading@11: 
yading@11: static void smptehdbars_fill_picture(AVFilterContext *ctx, AVFrame *picref)
yading@11: {
yading@11:     TestSourceContext *test = ctx->priv;
yading@11:     int d_w, r_w, r_h, l_w, i, tmp, x = 0, y = 0;
yading@11:     const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(picref->format);
yading@11: 
yading@11:     d_w = FFALIGN(test->w / 8, 1 << pixdesc->log2_chroma_w);
yading@11:     r_h = FFALIGN(test->h * 7 / 12, 1 << pixdesc->log2_chroma_h);
yading@11:     draw_bar(test, gray40, x, 0, d_w, r_h, picref);
yading@11:     x += d_w;
yading@11: 
yading@11:     r_w = FFALIGN((((test->w + 3) / 4) * 3) / 7, 1 << pixdesc->log2_chroma_w);
yading@11:     for (i = 0; i < 7; i++) {
yading@11:         draw_bar(test, rainbow[i], x, 0, r_w, r_h, picref);
yading@11:         x += r_w;
yading@11:     }
yading@11:     draw_bar(test, gray40, x, 0, test->w - x, r_h, picref);
yading@11:     y = r_h;
yading@11:     r_h = FFALIGN(test->h / 12, 1 << pixdesc->log2_chroma_h);
yading@11:     draw_bar(test, cyan, 0, y, d_w, r_h, picref);
yading@11:     x = d_w;
yading@11:     draw_bar(test, i_pixel, x, y, r_w, r_h, picref);
yading@11:     x += r_w;
yading@11:     tmp = r_w * 6;
yading@11:     draw_bar(test, rainbow[0], x, y, tmp, r_h, picref);
yading@11:     x += tmp;
yading@11:     l_w = x;
yading@11:     draw_bar(test, blue, x, y, test->w - x, r_h, picref);
yading@11:     y += r_h;
yading@11:     draw_bar(test, yellow, 0, y, d_w, r_h, picref);
yading@11:     x = d_w;
yading@11:     draw_bar(test, q_pixel, x, y, r_w, r_h, picref);
yading@11:     x += r_w;
yading@11: 
yading@11:     for (i = 0; i < tmp; i += 1 << pixdesc->log2_chroma_w) {
yading@11:         uint8_t yramp[4] = {0};
yading@11: 
yading@11:         yramp[0] =
yading@11:         yramp[1] =
yading@11:         yramp[2] = i * 255 / tmp;
yading@11:         yramp[3] = 255;
yading@11: 
yading@11:         draw_bar(test, yramp, x, y, 1 << pixdesc->log2_chroma_w, r_h, picref);
yading@11:         x += 1 << pixdesc->log2_chroma_w;
yading@11:     }
yading@11:     draw_bar(test, red, x, y, test->w - x, r_h, picref);
yading@11:     y += r_h;
yading@11:     draw_bar(test, gray15, 0, y, d_w, test->h - y, picref);
yading@11:     x = d_w;
yading@11:     tmp = FFALIGN(r_w * 3 / 2, 1 << pixdesc->log2_chroma_w);
yading@11:     draw_bar(test, black0, x, y, tmp, test->h - y, picref);
yading@11:     x += tmp;
yading@11:     tmp = FFALIGN(r_w * 2, 1 << pixdesc->log2_chroma_w);
yading@11:     draw_bar(test, white, x, y, tmp, test->h - y, picref);
yading@11:     x += tmp;
yading@11:     tmp = FFALIGN(r_w * 5 / 6, 1 << pixdesc->log2_chroma_w);
yading@11:     draw_bar(test, black0, x, y, tmp, test->h - y, picref);
yading@11:     x += tmp;
yading@11:     tmp = FFALIGN(r_w / 3, 1 << pixdesc->log2_chroma_w);
yading@11:     draw_bar(test,   neg2, x, y, tmp, test->h - y, picref);
yading@11:     x += tmp;
yading@11:     draw_bar(test, black0, x, y, tmp, test->h - y, picref);
yading@11:     x += tmp;
yading@11:     draw_bar(test, black2, x, y, tmp, test->h - y, picref);
yading@11:     x += tmp;
yading@11:     draw_bar(test, black0, x, y, tmp, test->h - y, picref);
yading@11:     x += tmp;
yading@11:     draw_bar(test, black4, x, y, tmp, test->h - y, picref);
yading@11:     x += tmp;
yading@11:     r_w = l_w - x;
yading@11:     draw_bar(test, black0, x, y, r_w, test->h - y, picref);
yading@11:     x += r_w;
yading@11:     draw_bar(test, gray15, x, y, test->w - x, test->h - y, picref);
yading@11: }
yading@11: 
yading@11: static av_cold int smptehdbars_init(AVFilterContext *ctx)
yading@11: {
yading@11:     TestSourceContext *test = ctx->priv;
yading@11: 
yading@11:     test->fill_picture_fn = smptehdbars_fill_picture;
yading@11:     test->draw_once = 1;
yading@11:     return init(ctx);
yading@11: }
yading@11: 
yading@11: AVFilter avfilter_vsrc_smptehdbars = {
yading@11:     .name      = "smptehdbars",
yading@11:     .description = NULL_IF_CONFIG_SMALL("Generate SMPTE HD color bars."),
yading@11:     .priv_size = sizeof(TestSourceContext),
yading@11:     .init      = smptehdbars_init,
yading@11:     .uninit    = uninit,
yading@11: 
yading@11:     .query_formats = smptebars_query_formats,
yading@11:     .inputs        = NULL,
yading@11:     .outputs       = smptebars_outputs,
yading@11:     .priv_class    = &smptehdbars_class,
yading@11: };
yading@11: 
yading@11: #endif  /* CONFIG_SMPTEHDBARS_FILTER */
yading@11: #endif  /* CONFIG_SMPTEBARS_FILTER || CONFIG_SMPTEHDBARS_FILTER */