Added script for ffmpeg libx265 encoding.

ffm2x265.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+FFMPEG=/usr/bin/ffmpeg
+
+VCODEC=libx265
+VCRF=23
+
+# Parameter suggestions:
+# https://unix.stackexchange.com/questions/230800/re-encoding-video-library-in-x265-hevc-with-no-quality-loss
+# Explanations: http://x265.readthedocs.io/en/default/cli.html
+
+# <=1080p:
+# merange=44:ctu=32:max-tu-size=16
+
+#-x265-params crf=22:no-sao:deblock=-2,-2:qcomp=0.8:psy-rd=0.7:psy-rdoq=5.0:rdoq-level=1.0:merange=44:ctu=32:max-tu-size=16 \
+
+$FFMPEG \
+-hide_banner \
+-i "$1" \
+-map 0 \
+-c:v $VCODEC \
+-preset fast \
+-x265-params crf=22 \
+-c:a copy \
+-c:s copy \
+"${1}_x265.mkv"