--- TODO: bump lavfi version --- Changelog | 2 +- doc/filters.texi | 5 ++- libavfilter/Makefile | 1 + libavfilter/allfilters.c | 1 + libavfilter/vsrc_testsrc.c | 84 ++++++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 91 insertions(+), 2 deletions(-)
diff --git a/Changelog b/Changelog index 0e87c09..f85fe8e 100644 --- a/Changelog +++ b/Changelog @@ -27,7 +27,7 @@ version <next>: - sidechaincompress audio filter - bitstream filter for converting HEVC from MP4 to Annex B - acrossfade audio filter -- allyuv video source +- allyuv and allrgb video sources - atadenoise video filter - OS X VideoToolbox support - aphasemeter filter diff --git a/doc/filters.texi b/doc/filters.texi index 2dd7d22..536ff56 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -11507,6 +11507,7 @@ ffplay -f lavfi life=s=300x200:mold=10:r=60:ratio=0.1:death_color=#C83232:life_c @end example @end itemize +@anchor{allrgb} @anchor{allyuv} @anchor{color} @anchor{haldclutsrc} @@ -11515,7 +11516,9 @@ ffplay -f lavfi life=s=300x200:mold=10:r=60:ratio=0.1:death_color=#C83232:life_c @anchor{smptebars} @anchor{smptehdbars} @anchor{testsrc} -@section allyuv, color, haldclutsrc, nullsrc, rgbtestsrc, smptebars, smptehdbars, testsrc +@section allrgb, allyuv, color, haldclutsrc, nullsrc, rgbtestsrc, smptebars, smptehdbars, testsrc + +The @code{allrgb} source returns frames of size 4096x4096 of all rgb colors. The @code{allyuv} source returns frames of size 4096x4096 of all yuv colors. diff --git a/libavfilter/Makefile b/libavfilter/Makefile index d431f99..85265ba 100644 --- a/libavfilter/Makefile +++ b/libavfilter/Makefile @@ -236,6 +236,7 @@ OBJS-$(CONFIG_ZMQ_FILTER) += f_zmq.o OBJS-$(CONFIG_ZOOMPAN_FILTER) += vf_zoompan.o OBJS-$(CONFIG_ALLYUV_FILTER) += vsrc_testsrc.o +OBJS-$(CONFIG_ALLRGB_FILTER) += vsrc_testsrc.o OBJS-$(CONFIG_CELLAUTO_FILTER) += vsrc_cellauto.o OBJS-$(CONFIG_COLOR_FILTER) += vsrc_testsrc.o OBJS-$(CONFIG_FREI0R_SRC_FILTER) += vf_frei0r.o diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c index 2900e88..58e6538 100644 --- a/libavfilter/allfilters.c +++ b/libavfilter/allfilters.c @@ -250,6 +250,7 @@ void avfilter_register_all(void) REGISTER_FILTER(ZMQ, zmq, vf); REGISTER_FILTER(ZOOMPAN, zoompan, vf); + REGISTER_FILTER(ALLRGB, allrgb, vsrc); REGISTER_FILTER(ALLYUV, allyuv, vsrc); REGISTER_FILTER(CELLAUTO, cellauto, vsrc); REGISTER_FILTER(COLOR, color, vsrc); diff --git a/libavfilter/vsrc_testsrc.c b/libavfilter/vsrc_testsrc.c index 3493b0f..1912c99 100644 --- a/libavfilter/vsrc_testsrc.c +++ b/libavfilter/vsrc_testsrc.c @@ -1170,3 +1170,87 @@ 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) +{ + int r, g, b; + uint8_t *dst = frame->data[0]; + const int linesize = frame->linesize[0]; + + for (r = 0; r < 256; r++) { + for (g = 0; g < 256; g++) { + for (b = 0; b < 256; b++) { + const int c = r<<16 | g<<8 | b; + const int y = c / 4096; + const int x = c % 4096; + const int base_pos = y * linesize + x*3; + dst[base_pos + 0] = r; + dst[base_pos + 1] = g; + dst[base_pos + 2] = b; + } + } + } +} + +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 */ -- 2.5.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel