lavfi/curves: do not automatically insert points at x=0 and x=1
authorClément Bœsch <u@pkh.me>
Sat, 16 Jul 2016 11:46:32 +0000 (13:46 +0200)
committerClément Bœsch <u@pkh.me>
Sun, 24 Jul 2016 10:18:30 +0000 (12:18 +0200)
commit5c14018fc4f6ae9fcce7eaf8dd2d66cb6fbfc7bc
tree3b0d0dc0c10453b359696bcb2b7513d841535954
parent783a2568b28dfb87cd6026191de46fda923cb6d0
lavfi/curves: do not automatically insert points at x=0 and x=1

There is actually a need for the origin and end point not to be defined.
We can not automatically insert them with the y value of the first and
last point as it will influence the curves in a wrong way.

Fixes #5397
Changelog
doc/filters.texi
libavfilter/vf_curves.c