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@LinusCDE
Last active February 3, 2024 10:57
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FFmpeg Wrapper script that forces jellyfin to use nvmpi hardware accelleration when device is a nvidia jetson and jetson-ffmpeg is added
#!/bin/bash
SHELLDIR=$(dirname "`realpath \"$0\"`")
FORCE_HW_DECODE=true
FORCE_HW_ENCODE=true
echo "WRAPPER OLD: " $0 "$@"
skipnext=false
next_is_input=false
crf=false
codec_is_for_input=true
newargs_prepend=()
newargs_in=()
newargs_out=()
is_input=true
next_is_maxrate=false
for arg in "$@"; do
# echo $arg
if $skipnext; then
skipnext=false
continue
fi
if [ "$arg" = "-crf" ] && $FORCE_HW_ENCODE; then
skipnext=true
# `-crf <num>` is not supported. but `-rc vbr/crf` is
newargs+=("-rc" "crf")
crf=true
continue
fi
if [ "$arg" = "-x264opts:0" ] && $FORCE_HW_ENCODE; then
continue
fi
if [[ $arg == subme* ]] && $FORCE_HW_ENCODE; then
continue
fi
#if [[ $arg == expr:* ]] && $FORCE_HW_ENCODE; then
# continue
#fi
if [ "$arg" == "libx264" ] && $FORCE_HW_ENCODE; then arg="h264_nvmpi"; fi
if [ "$arg" == "libx265" ] && $FORCE_HW_ENCODE; then arg="hevc_nvmpi"; fi
# Profile mapping
if [ "$arg" == "veryslow" ] && $FORCE_HW_ENCODE; then arg="slow"; fi
if [ "$arg" == "slower" ] && $FORCE_HW_ENCODE; then arg="slow"; fi
if [ "$arg" == "slow" ] && $FORCE_HW_ENCODE; then arg="slow"; fi
if [ "$arg" == "medium" ] && $FORCE_HW_ENCODE; then arg="medium"; fi
if [ "$arg" == "fast" ] && $FORCE_HW_ENCODE; then arg="fast"; fi
if [ "$arg" == "veryfast" ] && $FORCE_HW_ENCODE; then arg="fast"; fi
if [ "$arg" == "superfast" ] && $FORCE_HW_ENCODE; then arg="ultrafast"; fi
if [ "$arg" == "ultrafast" ] && $FORCE_HW_ENCODE; then arg="ultrafast"; fi
if $is_input; then
newargs_in+=("$arg")
else
newargs_out+=("$arg")
fi
if $next_is_maxrate && $FORCE_HW_ENCODE; then
next_is_maxrate=false
# Set bitrate to maxrate
# jellyfin only limits bit rate. But the hwencoder needs a suggestion
newargs_out+=("-b:v")
newargs_out+=("$arg")
fi
if [ "$arg" = "-maxrate" ]; then
next_is_maxrate=true
fi
if $next_is_input; then
next_is_input=false
#video_codec=$($SHELLDIR/ffprobe "${newargs_in[@]}" 2>&1 | sed -nE 's/^\s*Stream .* Video: ([[:alnum:]]*).*$/\1/p')
video_codec=$($SHELLDIR/ffprobe -i "$arg" 2>&1 | sed -nE 's/^\s*Stream .* Video: ([[:alnum:]]*).*$/\1/p')
#echo "WRAPPER INPUT CODEC $video_codec"
newargs_prepend=("-c:v" "${video_codec}_nvmpi")
#newargs_old="${newargs[@]}"
#newargs=()
#for arg in "${newargs_prepend[@]}"; do newargs+=("$arg"); done
#for arg in "${newargs_old[@]}"; do newargs+=("$arg"); done
#echo "WRAPPER IN: ${newargs[@]}"
is_input=false
fi
if [ "$arg" = "-i" ]; then
codec_is_for_input=false
next_is_input=true
fi
done
if $FORCE_HW_ENCODE && ! $crf; then
# Default to vbr if crf was not set
newargs+=("-rc:v" "vbr")
fi
#echo "----"
#for newarg in "${newargs[@]}"; do
# echo $newarg
#done
#exec $SHELLDIR/showargs.py "${newargs[@]}"
echo "WRAPPER NEW: " $SHELLDIR/ffmpeg "${newargs_prepend[@]}" "${newargs_in[@]}" "${newargs_out[@]}"
exec $SHELLDIR/ffmpeg "${newargs_prepend[@]}" "${newargs_in[@]}" "${newargs_out[@]}"
#echo "WRAPPER OUT " $($SHELLDIR/ffmpeg "${newargs_prepend[@]}" "${newargs_in[@]}" "${newargs_out[@]}" 2>&1)
@gjrtimmer
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I have an Orin NX, how would I use this in combination with Jellyfin?

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