From b48d8fa3ac38849eab53cf586467481b256b3a99 Mon Sep 17 00:00:00 2001 From: Clément Bœsch Date: Sun, 16 Aug 2015 01:22:59 +0200 Subject: avfilter: add allrgb MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Nicolas George Signed-off-by: Clément Bœsch --- libavfilter/vsrc_testsrc.c | 81 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) (limited to 'libavfilter/vsrc_testsrc.c') diff --git a/libavfilter/vsrc_testsrc.c b/libavfilter/vsrc_testsrc.c index 3493b0f459..f63c861186 100644 --- a/libavfilter/vsrc_testsrc.c +++ b/libavfilter/vsrc_testsrc.c @@ -1170,3 +1170,84 @@ AVFilter ff_vsrc_allyuv = { }; #endif /* CONFIG_ALLYUV_FILTER */ + +#if CONFIG_ALLRGB_FILTER + +static const AVOption allrgb_options[] = { + COMMON_OPTIONS_NOSIZE + { NULL } +}; + +AVFILTER_DEFINE_CLASS(allrgb); + +static void allrgb_fill_picture(AVFilterContext *ctx, AVFrame *frame) +{ + unsigned x, y; + const int linesize = frame->linesize[0]; + uint8_t *line = frame->data[0]; + + for (y = 0; y < 4096; y++) { + uint8_t *dst = line; + + for (x = 0; x < 4096; x++) { + *dst++ = x; + *dst++ = y; + *dst++ = (x >> 8) | ((y >> 8) << 4); + } + line += linesize; + } +} + +static av_cold int allrgb_init(AVFilterContext *ctx) +{ + TestSourceContext *test = ctx->priv; + + test->w = test->h = 4096; + test->draw_once = 1; + test->fill_picture_fn = allrgb_fill_picture; + return init(ctx); +} + +static int allrgb_config_props(AVFilterLink *outlink) +{ + TestSourceContext *test = outlink->src->priv; + + ff_fill_rgba_map(test->rgba_map, outlink->format); + return config_props(outlink); +} + +static int allrgb_query_formats(AVFilterContext *ctx) +{ + static const enum AVPixelFormat pix_fmts[] = { + AV_PIX_FMT_RGB24, AV_PIX_FMT_NONE + }; + + AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts); + if (!fmts_list) + return AVERROR(ENOMEM); + return ff_set_common_formats(ctx, fmts_list); +} + +static const AVFilterPad avfilter_vsrc_allrgb_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .request_frame = request_frame, + .config_props = allrgb_config_props, + }, + { NULL } +}; + +AVFilter ff_vsrc_allrgb = { + .name = "allrgb", + .description = NULL_IF_CONFIG_SMALL("Generate all RGB colors."), + .priv_size = sizeof(TestSourceContext), + .priv_class = &allrgb_class, + .init = allrgb_init, + .uninit = uninit, + .query_formats = allrgb_query_formats, + .inputs = NULL, + .outputs = avfilter_vsrc_allrgb_outputs, +}; + +#endif /* CONFIG_ALLRGB_FILTER */ -- cgit v1.2.3