97 lines
2.8 KiB
Bash
97 lines
2.8 KiB
Bash
# mux audio into containers. file names in sound and current dirrectories must match. tmp usage for anime downloads.
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# usage: ffmpeg_mux_audio <SOUND> <OUTPUT DIR>
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ffmpeg_mux_audio()
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{
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if [[ "$1" = "" ]]; then
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echo "usage: ffmpeg_mux_audio <SOUND> <OUTPUT DIR>"
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return 2
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fi
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for file in *; do ffmpeg -i "$file" -i "$1"/"$file" -c copy -map 0:v:0 -map 1:a:0 -shortest "$2"/"$file"; done
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}
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# Mux cover into music file.
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# Usage: ffmpeg_mux_cover <FORMAT> <COVER>
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ffmpeg_mux_cover()
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{
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if [[ "${1}" = "" ]]; then
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echo "Usage: ffmpeg_mux_cover <FORMAT> <COVER>"
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return 2
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fi
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local format="${1}"
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local cover="${2}"
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mkdir out
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case "${format}" in
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"mka"|"mkv")
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for file in *.${format}; do
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ffmpeg -i "${file}" -attach "${cover}" -map 0 -c copy -metadata:s:t mimetype="image/${cover##*.}" -metadata:s:t:0 filename="cover.${cover##*.}" "./out/${file}" || return 1
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done
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;;
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*)
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for file in *.${format}; do
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ffmpeg -i "${file}" -i "${cover}" -map 0 -map 0:-v? -map 1 -codec copy -metadata:s:v title="Album cover" -metadata:s:v comment="Cover (front)" -disposition:v attached_pic ./out/"${file}" || return 1
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done
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;;
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esac
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mv out/* .
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rm -d out/ && rm "${2}"
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}
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# Change music metadata.
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# Usage: ffmpeg_music_meta <FORMAT>
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ffmpeg_music_meta()
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{
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if [[ "${1}" = "" ]]; then
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echo "Usage: ffmpeg_music_meta <FORMAT>"
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return 2
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fi
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local format="${1}"
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ls *.${format} &> /dev/null || return 1
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local artist="${PWD%/*}"; artist="${artist##*/}"; artist="${artist//_/ }"
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local album="${PWD##*/}"; album="${album#*_}"; album="${album//_/ }"
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local year="${PWD##*/}"; year="${year%%_*}"
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# local total=$(ls *.${format} | wc -l)
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mkdir out
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for file in *.${format}; do
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local track="${file%%_*}"; track=$((10#${track})); [[ "${track}" = "" ]] && track=0
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local title="${file#*_}"; title="${title%.*}"; title="${title//_/ }"
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# echo "${artist}; ${album}; ${year}; ${track}; ${title}"
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# TODO: make it format-specific.
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ffmpeg -i "${file}" -map 0 -c copy -metadata "artist=${artist}" -metadata "album_artist=${artist}" -metadata "album=${album}" -metadata "date=${year}" -metadata "year=${year}" -metadata "date_released=${year}" -metadata "track=${track}" -metadata "part_number=${track}" -metadata "title=${title}" ./out/"${file}" || return 1
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done
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mv out/* .
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rm -d out/
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}
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_ffprobe_fps()
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{
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local fps=$(ffprobe -v 0 -of csv=p=0 -select_streams v:0 -show_entries stream=r_frame_rate "${1}")
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fps="${fps%%/*}"
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echo "${fps}"
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}
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_ffprobe_keyint()
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{
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local fps=$(_ffprobe_fps "${1}")
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echo $((fps*5))
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}
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_ffprobe_ba()
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{
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local ba=$(ffprobe -v error -select_streams a:0 -show_entries stream=bit_rate -of default=noprint_wrappers=1:nokey=1 "${1}")
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[[ "${ba}" != "N/A" ]] && echo $((ba/1024)) || echo 128
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}
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export -f _ffprobe_keyint _ffprobe_ba _ffprobe_fps
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