Relying on AVPixFmtDescriptor.nb_components is cleaner and faster than
checking data and linesize for every possible plane.
Signed-off-by: Jean Delvare <jdelv...@suse.de>
---
I see that most filters use AVPixFmtDescriptor.nb_components while
others still check data and linesize. Am I correct assuming that the
former is faster and preferred?
libavfilter/vf_delogo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- ffmpeg.orig/libavfilter/vf_delogo.c 2015-12-10 13:06:16.212908502 +0100
+++ ffmpeg/libavfilter/vf_delogo.c 2015-12-10 13:07:04.877966120 +0100
@@ -256,7 +256,7 @@ static int filter_frame(AVFilterLink *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;
--
Jean Delvare
SUSE L3 Support
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