#!/usr/bin/env bash
TEMPDIR='/tmp/ffmpeg-vcodec/.working'
shopt -s globstar
for f in *.mkv; do
VFORMAT=($(ffprobe -loglevel error -select_streams v:0 -show_entries stream=codec_name -of default=nw=1:nk=1 "$f"))
if ! [[ "${VFORMAT[0]}" == 'avc' ]]; then
echo -e '\n---> '$(basename "$f")': detected '${VFORMAT[0]}' in the default video stream\n---> Preparing to convert video codec accelerated with h264_nvenc (nVidia) to H264...\n\n'
/usr/bin/ffmpeg-424 -vsync 0 -hwaccel cuda -i "$f" -f srt -i "Subs/${f/mkv/en.srt}" -map 0:v:0 -map 0:a:0 -map 1:0 -disposition:v:0 default -disposition:a:0 default -disposition:s:0 0 -map_chapters -1 -dn -bsf:v "filter_units=remove_types=6" -preset slow -profile:v high -pix_fmt yuv420p -c:v h264_nvenc -metadata:s:a:0 language=eng -metadata:s:s:0 language=eng -c:a copy -c:s srt "$TEMPDIR/$f" || break
echo -e '\n---> Moving '$(basename "$f")' back to source directory name '$(pwd)'\n'
mv -ufv "$TEMPDIR/$(basename "$f")" "$(dirname "${f/x265/x264}")"
fi
done