avfilter/drawutils: Fix single plane with alpha

Fixes Ticket5720

Michael Niedermayer committed 10 years ago

Commit 369ed111 parent 01183721 file · +2 −0Browse files

Showing the changes to libavfilter/drawutils.c (1 of 1 file). Show all

Unified · Split

libavfilter/drawutils.c+2−0

@@ -450,6 +450,7 @@ void ff_blend_rectangle(FFDrawContext draw, FFDrawColor color, · 449 unmodified lines
450	450	alpha = 0x101 * color->rgba[3] + 0x2;
451	451	}
452	452	nb_planes = draw->nb_planes - !!(draw->desc->flags & AV_PIX_FMT_FLAG_ALPHA);
	453	+ nb_planes += !nb_planes;
453	454	for (plane = 0; plane < nb_planes; plane++) {
454	455	nb_comp = draw->pixelstep[plane];
455	456	p0 = pointer_at(draw, dst, dst_linesize, plane, x0, y0);
@@ -627,6 +628,7 @@ void ff_blend_mask(FFDrawContext draw, FFDrawColor color, · 171 unmodified lines
627	628	alpha = (0x101 * color->rgba[3] + 0x2) >> 8;
628	629	}
629	630	nb_planes = draw->nb_planes - !!(draw->desc->flags & AV_PIX_FMT_FLAG_ALPHA);
	631	+ nb_planes += !nb_planes;
630	632	for (plane = 0; plane < nb_planes; plane++) {
631	633	nb_comp = draw->pixelstep[plane];
632	634	p0 = pointer_at(draw, dst, dst_linesize, plane, x0, y0);