diff options
Diffstat (limited to 'libavfilter/vsrc_color.c')
| -rw-r--r-- | libavfilter/vsrc_color.c | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/libavfilter/vsrc_color.c b/libavfilter/vsrc_color.c deleted file mode 100644 index 8c8ca3fdef..0000000000 --- a/libavfilter/vsrc_color.c +++ /dev/null @@ -1,199 +0,0 @@ -/* - * Copyright (c) 2010 Stefano Sabatini - * - * This file is part of Libav. - * - * Libav 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, - * 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 - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file - * color source - */ - -#include <stdio.h> -#include <string.h> - -#include "avfilter.h" -#include "formats.h" -#include "internal.h" -#include "video.h" -#include "libavutil/pixdesc.h" -#include "libavutil/colorspace.h" -#include "libavutil/imgutils.h" -#include "libavutil/internal.h" -#include "libavutil/mathematics.h" -#include "libavutil/mem.h" -#include "libavutil/opt.h" -#include "libavutil/parseutils.h" -#include "drawutils.h" - -typedef struct ColorContext { - const AVClass *class; - int w, h; - uint8_t color[4]; - AVRational frame_rate; - uint8_t *line[4]; - int line_step[4]; - int hsub, vsub; ///< chroma subsampling values - uint64_t pts; - char *color_str; - char *size_str; - char *framerate_str; -} ColorContext; - -static av_cold int color_init(AVFilterContext *ctx) -{ - ColorContext *color = ctx->priv; - int ret; - - if (av_parse_video_size(&color->w, &color->h, color->size_str) < 0) { - av_log(ctx, AV_LOG_ERROR, "Invalid frame size: %s\n", color->size_str); - return AVERROR(EINVAL); - } - - if (av_parse_video_rate(&color->frame_rate, color->framerate_str) < 0) { - av_log(ctx, AV_LOG_ERROR, "Invalid frame rate: %s\n", color->framerate_str); - return AVERROR(EINVAL); - } - - if ((ret = av_parse_color(color->color, color->color_str, -1, ctx)) < 0) - return ret; - - return 0; -} - -static av_cold void color_uninit(AVFilterContext *ctx) -{ - ColorContext *color = ctx->priv; - int i; - - for (i = 0; i < 4; i++) { - av_freep(&color->line[i]); - color->line_step[i] = 0; - } -} - -static int query_formats(AVFilterContext *ctx) -{ - static const enum AVPixelFormat pix_fmts[] = { - AV_PIX_FMT_ARGB, AV_PIX_FMT_RGBA, - AV_PIX_FMT_ABGR, AV_PIX_FMT_BGRA, - AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, - - AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, - AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV411P, - AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P, - AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P, - AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ440P, - AV_PIX_FMT_YUVA420P, - - AV_PIX_FMT_NONE - }; - - ff_set_common_formats(ctx, ff_make_format_list(pix_fmts)); - return 0; -} - -static int color_config_props(AVFilterLink *inlink) -{ - AVFilterContext *ctx = inlink->src; - ColorContext *color = ctx->priv; - uint8_t rgba_color[4]; - int is_packed_rgba; - const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format); - - color->hsub = pix_desc->log2_chroma_w; - color->vsub = pix_desc->log2_chroma_h; - - color->w &= ~((1 << color->hsub) - 1); - color->h &= ~((1 << color->vsub) - 1); - if (av_image_check_size(color->w, color->h, 0, ctx) < 0) - return AVERROR(EINVAL); - - memcpy(rgba_color, color->color, sizeof(rgba_color)); - ff_fill_line_with_color(color->line, color->line_step, color->w, color->color, - inlink->format, rgba_color, &is_packed_rgba, NULL); - - av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d r:%d/%d color:0x%02x%02x%02x%02x[%s]\n", - color->w, color->h, color->frame_rate.num, color->frame_rate.den, - color->color[0], color->color[1], color->color[2], color->color[3], - is_packed_rgba ? "rgba" : "yuva"); - inlink->w = color->w; - inlink->h = color->h; - inlink->time_base = av_inv_q(color->frame_rate); - inlink->frame_rate = color->frame_rate; - - return 0; -} - -static int color_request_frame(AVFilterLink *link) -{ - ColorContext *color = link->src->priv; - AVFrame *frame = ff_get_video_buffer(link, color->w, color->h); - - if (!frame) - return AVERROR(ENOMEM); - - frame->sample_aspect_ratio = (AVRational) {1, 1}; - frame->pts = color->pts++; - - ff_draw_rectangle(frame->data, frame->linesize, - color->line, color->line_step, color->hsub, color->vsub, - 0, 0, color->w, color->h); - return ff_filter_frame(link, frame); -} - -#define OFFSET(x) offsetof(ColorContext, x) -#define FLAGS AV_OPT_FLAG_VIDEO_PARAM -static const AVOption options[] = { - { "color", "Output video color", OFFSET(color_str), AV_OPT_TYPE_STRING, { .str = "black" }, .flags = FLAGS }, - { "size", "Output video size (wxh or an abbreviation)", OFFSET(size_str), AV_OPT_TYPE_STRING, { .str = "320x240" }, .flags = FLAGS }, - { "framerate", "Output video framerate", OFFSET(framerate_str), AV_OPT_TYPE_STRING, { .str = "25" }, .flags = FLAGS }, - { NULL }, -}; - -static const AVClass color_class = { - .class_name = "color", - .item_name = av_default_item_name, - .option = options, - .version = LIBAVUTIL_VERSION_INT, -}; - -static const AVFilterPad avfilter_vsrc_color_outputs[] = { - { - .name = "default", - .type = AVMEDIA_TYPE_VIDEO, - .request_frame = color_request_frame, - .config_props = color_config_props - }, - { NULL } -}; - -AVFilter ff_vsrc_color = { - .name = "color", - .description = NULL_IF_CONFIG_SMALL("Provide an uniformly colored input, syntax is: [color[:size[:rate]]]"), - - .priv_class = &color_class, - .priv_size = sizeof(ColorContext), - .init = color_init, - .uninit = color_uninit, - - .query_formats = query_formats, - - .inputs = NULL, - - .outputs = avfilter_vsrc_color_outputs, -}; |