Shell: transcoding parameters, merged splice into transcode.
Pierre Neidhardt
parent
5e83fa6273
commit
22e0e39a7c
1
.bashrc
1
.bashrc
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@ -23,6 +23,5 @@ source "${SHELL_DIR}/options_bash"
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## Source order should not matter.
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source "${SHELL_DIR}/alias_rc"
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source "${SHELL_DIR}/funs_rc"
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source "${SHELL_DIR}/funs_transcode"
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source "${SHELL_DIR}/funs_bash"
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source "${SHELL_DIR}/personal_rc"
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@ -849,13 +849,13 @@ formatc()
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}
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##==============================================================================
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## Pacman Functions
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## Pacman functions
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##==============================================================================
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[ -n "$(command -v pacman)" ] && . "${SHELL_DIR}/funs_pacman"
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##==============================================================================
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## FreeBSD Functions
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## FreeBSD functions
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##==============================================================================
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[ "$(uname)" = FreeBSD ] && . "${SHELL_DIR}/funs_freebsd"
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@ -882,3 +882,9 @@ if [ -d "/usr/local/texlive" ]; then
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sudo sh -c 'umask 022 && tlmgr remove $0 $@' "$@"
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}
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fi
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##==============================================================================
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## Transcoding functions
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##==============================================================================
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[ -n "$(command -v ffmpeg)" ] && . "${SHELL_DIR}/funs_transcode"
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@ -87,12 +87,6 @@ tc_text_2utf8 ()
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TC_AUDIO_QUAL=192k
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TC_OUTDIR="$HOME/temp"
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## TODO: as parameter instead.
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## What to do if file exists:
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# -y overwrite
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# -n do not overwrite.
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TC_OVERWRITE=-n
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## quality*size ~= 1/speed
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# ultrafast, superfast, veryfast, faster, fast, medium, slow, slower, veryslow, placebo
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TC_VIDEO_PRESET=slow
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@ -127,28 +121,86 @@ tc_audio()
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ffmpeg -threads 4 $TC_OVERWRITE -i "$1" -vn -c:a libvorbis -b:a $TC_AUDIO_QUAL "${1%.*}-$(date "+%F-%H%M%S").ogg"
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}
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tc_splice()
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tc_transcode()
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{
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## Note: we put the time options *before* the input file so that it uses
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## keyframes, thus being much faster butless accurate.
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_tc_splice()
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_printhelp()
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{
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echo "================================================================================"
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ffmpeg $TC_OVERWRITE -ss 60 -t 600 -i "$1" -c:v copy -c:a copy -c:s copy -map 0 "${1%.*}-$(date "+%F-%H%M%S").${1##*.}"
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echo "Synopsis:"
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echo -e " $1 [-f|-h|-s] FILES"
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echo
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echo "Usage:"
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echo -e " default:\tTranscode FILES to .mkv with x264 and ogg. Output files are the same as the original, with time appended. You can customize encoding with the TC_* variables."
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echo -e " -f:\t\tOverwrite existing file if any."
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echo -e " -h:\t\tDisplay this help."
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echo -e " -s:\t\tSample of ten minutes."
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}
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## What to do if file exists:
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# -y overwrite
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# -n do not overwrite.
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local TC_OVERWRITE
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TC_OVERWRITE=-n
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local TC_SAMPLE
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TC_SAMPLE=""
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while getopts ":fhs" opt; do
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case $opt in
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f)
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TC_OVERWRITE=-y
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;;
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h)
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_printhelp "$0"
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return 1
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;;
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s)
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TC_SAMPLE="-ss 60 -t 600 -i"
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;;
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?)
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_printhelp "$0"
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return 1
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;;
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:)
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echo "Missing argument."
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echo "Use $0 -h for help."
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return 1
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;;
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esac
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done
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shift $(($OPTIND - 1))
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## Zsh compatibility
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local STATUS
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STATUS="$(set -o | grep 'shwordsplit' | awk '{print $2}')"
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if [ "$STATUS" = "off" ]; then
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set -o shwordsplit
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fi
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if [ $# -eq 0 ]; then
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tc_splice .
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tc_transcode .
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return
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fi
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_tc_transcode()
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{
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echo "================================================================================"
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ffmpeg $TC_OVERWRITE $TC_SAMPLE -i "$1" \
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-c:v libx264 -preset $TC_VIDEO_PRESET -crf $TC_VIDEO_QUAL $TC_VIDEO_TUNE $TC_VIDEO_OPTS \
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-c:a libvorbis -b:a $TC_AUDIO_QUAL \
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-c:s copy \
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-map 0 "${1%.*}-$(date "+%F-%H%M%S").mkv"
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}
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for i in "$@"; do
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if [ -d "$i" ]; then
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local IFS
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IFS="
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"
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## TODO: provide max-depth as option.
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for i in $(find "$i" \( \
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-iname '*.mkv' -o \
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@ -158,37 +210,22 @@ tc_splice()
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-iname '*.flv' -o \
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-iname '*.wmv' -o \
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-iname '*.mpg' \) ); do
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_tc_splice $i
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_tc_transcode $i
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done
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else
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_tc_splice "$i"
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_tc_transcode "$i"
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fi
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done
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}
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## TODO: splice should be a parameter for transcode.
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tc_transcode()
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{
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## Zsh compatibility
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local STATUS="$(set -o | grep 'shwordsplit' | awk '{print $2}')"
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if [ "$STATUS" = "off" ]; then
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set -o shwordsplit
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fi
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echo "================================================================================"
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ffmpeg $TC_OVERWRITE -i "$1" \
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-c:v libx264 -preset $TC_VIDEO_PRESET -crf $TC_VIDEO_QUAL $TC_VIDEO_TUNE $TC_VIDEO_OPTS \
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-c:a libvorbis -b:a $TC_AUDIO_QUAL \
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-c:s copy \
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-map 0 "${1%.*}-$(date "+%F-%H%M%S").mkv"
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## Restore Zsh previous options. This will not turn off shwordsplit if it
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## was on before calling the function.
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if [ "$STATUS" = "off" ]; then
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set +o shwordsplit
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fi
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}
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# tc_mux()
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