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avfilter/vf_delogo: Use AVPixFmtDescriptor.nb_components 

Relying on AVPixFmtDescriptor.nb_components is cleaner and faster than
checking data and linesize for every possible plane.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Jean Delvare 2015-12-10 15:25:57 +01:00 committed by Michael Niedermayer
parent c18176bd55
commit ec11cfdf75
1 changed files with 1 additions and 1 deletions
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libavfilter/vf_delogo.c
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@ -256,7 +256,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
if (!sar.num)
sar.num = sar.den = 1;
for (plane = 0; plane < 4 && in->data[plane] && in->linesize[plane]; plane++) {
for (plane = 0; plane < desc->nb_components; plane++) {
int hsub = plane == 1 || plane == 2 ? hsub0 : 0;
int vsub = plane == 1 || plane == 2 ? vsub0 : 0;