[FFmpeg-cvslog] avfilter/vf_extractplanes: use faster path for input formats with only one component

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Wed Jul  1 17:12:07 2015 +0000| [17e6d7b4008fa499892716cd095a364a42a3fba8] | committer: Paul B Mahol

avfilter/vf_extractplanes: use faster path for input formats with only one component

Signed-off-by: Paul B Mahol <onemda at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=17e6d7b4008fa499892716cd095a364a42a3fba8
---

 libavfilter/vf_extractplanes.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavfilter/vf_extractplanes.c b/libavfilter/vf_extractplanes.c
index 395a089..1018e92 100644
--- a/libavfilter/vf_extractplanes.c
+++ b/libavfilter/vf_extractplanes.c
@@ -154,7 +154,8 @@ static int config_input(AVFilterLink *inlink)
 
     s->depth = (desc->comp[0].depth_minus1 + 1) >> 3;
     s->step = av_get_padded_bits_per_pixel(desc) >> 3;
-    s->is_packed = !(desc->flags & AV_PIX_FMT_FLAG_PLANAR);
+    s->is_packed = !(desc->flags & AV_PIX_FMT_FLAG_PLANAR) &&
+                    (desc->nb_components > 1);
     if (desc->flags & AV_PIX_FMT_FLAG_RGB) {
         ff_fill_rgba_map(rgba_map, inlink->format);
         for (i = 0; i < 4; i++)