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author | Michael Niedermayer <michael@niedermayer.cc> | 2016-08-09 12:22:15 +0200 |
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committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-08-25 03:29:35 +0200 |
commit | 905372be8f746ded92023fa92b858599368b2597 (patch) | |
tree | 5a6cfed6008f10aaa584a260cf4bd89d86ea1d6d | |
parent | f4b8892ccbf08ea5b38177bb7ad042921d082eac (diff) | |
download | ffmpeg-905372be8f746ded92023fa92b858599368b2597.tar.gz |
avfilter/drawutils: Fix single plane with alpha
Fixes Ticket5720
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 369ed11e3c8acc08db39fb2ed4e980a918cab61e)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
-rw-r--r-- | libavfilter/drawutils.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavfilter/drawutils.c b/libavfilter/drawutils.c index e533040204..8153fdebb7 100644 --- a/libavfilter/drawutils.c +++ b/libavfilter/drawutils.c @@ -450,6 +450,7 @@ void ff_blend_rectangle(FFDrawContext *draw, FFDrawColor *color, alpha = 0x101 * color->rgba[3] + 0x2; } nb_planes = draw->nb_planes - !!(draw->desc->flags & AV_PIX_FMT_FLAG_ALPHA); + nb_planes += !nb_planes; for (plane = 0; plane < nb_planes; plane++) { nb_comp = draw->pixelstep[plane]; p0 = pointer_at(draw, dst, dst_linesize, plane, x0, y0); @@ -627,6 +628,7 @@ void ff_blend_mask(FFDrawContext *draw, FFDrawColor *color, alpha = (0x101 * color->rgba[3] + 0x2) >> 8; } nb_planes = draw->nb_planes - !!(draw->desc->flags & AV_PIX_FMT_FLAG_ALPHA); + nb_planes += !nb_planes; for (plane = 0; plane < nb_planes; plane++) { nb_comp = draw->pixelstep[plane]; p0 = pointer_at(draw, dst, dst_linesize, plane, x0, y0); |