ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Sat Jan 16 15:54:25 2021 +0100| [294854bd0a4ec92431b96906cf47a3b02f6c3af4] | committer: Paul B Mahol
avfilter/vsrc_testsrc: add complement mode to rgbtestsrc > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=294854bd0a4ec92431b96906cf47a3b02f6c3af4 --- libavfilter/vsrc_testsrc.c | 34 ++++++++++++++++++++++++++++++++-- 1 file changed, 32 insertions(+), 2 deletions(-) diff --git a/libavfilter/vsrc_testsrc.c b/libavfilter/vsrc_testsrc.c index c047fe8e86..2cf33aadc9 100644 --- a/libavfilter/vsrc_testsrc.c +++ b/libavfilter/vsrc_testsrc.c @@ -77,6 +77,7 @@ typedef struct TestSourceContext { /* only used by rgbtest */ uint8_t rgba_map[4]; + int complement; int depth; /* only used by haldclut */ @@ -963,7 +964,13 @@ AVFilter ff_vsrc_testsrc2 = { #if CONFIG_RGBTESTSRC_FILTER -#define rgbtestsrc_options options +static const AVOption rgbtestsrc_options[] = { + COMMON_OPTIONS + { "complement", "set complement colors", OFFSET(complement), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS }, + { "co", "set complement colors", OFFSET(complement), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, FLAGS }, + { NULL } +}; + AVFILTER_DEFINE_CLASS(rgbtestsrc); #define R 0 @@ -1024,6 +1031,29 @@ static void rgbtest_put_pixel(uint8_t *dstp[4], int dst_linesizep[4], } } +static void rgbtest_fill_picture_complement(AVFilterContext *ctx, AVFrame *frame) +{ + TestSourceContext *test = ctx->priv; + int x, y, w = frame->width, h = frame->height; + + for (y = 0; y < h; y++) { + for (x = 0; x < w; x++) { + int c = (1 << FFMAX(test->depth, 8))*x/w; + int r = 0, g = 0, b = 0; + + if (6*y < h ) r = c; + else if (6*y < 2*h) g = c, b = c; + else if (6*y < 3*h) g = c; + else if (6*y < 4*h) r = c, b = c; + else if (6*y < 5*h) b = c; + else r = c, g = c; + + rgbtest_put_pixel(frame->data, frame->linesize, x, y, r, g, b, + ctx->outputs[0]->format, test->rgba_map); + } + } +} + static void rgbtest_fill_picture(AVFilterContext *ctx, AVFrame *frame) { TestSourceContext *test = ctx->priv; @@ -1049,7 +1079,7 @@ static av_cold int rgbtest_init(AVFilterContext *ctx) TestSourceContext *test = ctx->priv; test->draw_once = 1; - test->fill_picture_fn = rgbtest_fill_picture; + test->fill_picture_fn = test->complement ? rgbtest_fill_picture_complement : rgbtest_fill_picture; return init(ctx); } _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
