lavc/ccaption_dec: clear all unused rows during rollup
authorAman Gupta <aman@tmm1.net>
Wed, 13 Jan 2016 01:27:06 +0000 (17:27 -0800)
committerClément Bœsch <u@pkh.me>
Thu, 14 Jan 2016 22:13:15 +0000 (23:13 +0100)
commit3a0e5cfcee5bcbf60e3830da0d03041de3f1e5f5
tree3045f4ee7d204fed03512eab772057996a8b2812
parent9027806e3cf6b8d2693f74c57abfd88c8c2a9008
lavc/ccaption_dec: clear all unused rows during rollup

Sometimes rollup captions can move around the screen. This fixes "ghost"
captions from below the current rollup area from continuing to be
captured when a rollup moves higher up on the screen.
libavcodec/ccaption_dec.c