Stefano Sabatini
2da5b69020
In particular, fix wrong vertical mirroring command, and clarify
and extend explanation.
Based on a patch by littlebat <dashing.meng@gmail.com>.
Should fix trac ticket #2413.
(cherry picked from commit 215ca86475)
Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Conflicts:
doc/filters.texi
FFmpeg README ------------- 1) Documentation ---------------- * Read the documentation in the doc/ directory in git. You can also view it online at http://ffmpeg.org/documentation.html 2) Licensing ------------ * See the LICENSE file. 3) Build and Install -------------------- * See the INSTALL file.