删除video的音频流 – 递归地不使用FFMPEG转换音频或video
可以说比如你有一个电视节目的季节，你可以找到最好的编码，但它有多个你不需要的音频流。 您不想重新编码和丢失video/音频质量和浪费时间，但您不想浪费额外音频流的空间。 并且根据流的顺序，错误的流可能是默认的。
如何递归地剥离/转换文件树中的所有video文件并仅保留所需的音频流？
我读过ffmpeg是最好的工具。
取消注释您要使用的行和文件类型。 你可以添加更多“预设/标志”，这只是一个想法。
sudo nano /media/audio.sh —用于递归转换video剥离音频流而不转换任何内容的脚本！
#!/bin/bash #Uncomment a Preset FLAGS depending on video/subtitle/audio stream wanting to keep, easy to find which stream via playing in VLC and hitting CTRL + J (when not in fullscreen) #TO ADD SUBTITLES< THEY MUST BE SAME NAME AS FILE*Check out Filebot Filerenamer* #Don't Strip audio and do subtitles at the same time, do one at a time #To add subtitles, just uncomment the line under ADD SUBTITLES #TO FIX AUDIO SYNC #Use hotkeys J/K in VLC to find correct value #DONT use FLAGS, just OFFSET #FLAGS DESC: #"-map 0:0 -vcodec copy" -- which video stream to copy #"-map 0:1 -acodec copy" -- which audio stream to copy #"-map 0:2 -scodec copy" -- which subtitle stream to copy #"-itsoffset 0.2" -- DELAY Audio by 0.2 seconds can do -0.2 for opposite effect! ###Video Stream 0 Audio stream 1 Subtitle Stream 2 #export FLAGS="-map 0:0 -vcodec copy -map 0:1 -acodec copy -map 0:2 -scodec copy" ###Video Stream 0 Audio Stream 1 #export FLAGS="-map 0:0 -vcodec copy -map 0:1 -acodec copy" ###Audio Stream 2 #export FLAGS="-map 0:0 -vcodec copy -map 0:2 -acodec copy" ###Audio Stream 3 #export FLAGS="-map 0:0 -vcodec copy -map 0:3 -acodec copy" ##FIX AUDIO SYNC #export OFFSET="-itsoffset 0.2" if [ -z "$1" ] ; then TRANSCODEDIR="." else TRANSCODEDIR="$1" fi ##To remove source files after conversion and rename back to original w/o *FINAL*, uncomment second line #&&find (Must become 1 line of code IE: Hit delete 2 times) ##I do not reccomend using this unless you are 100% of what you are doing, it will delete source files even if conversion fails, basically unless you are creator of files ##ANY files without FINAL will be deleted, be warned, I have personally deleted many a files I didnt want to by using this line :P ##USE ALIASES (and confirm script results) INSTEAD OF &&FIND REMOVE AUTOMATION #AVI #find "$TRANSCODEDIR"/* -type f -name "*.avi" -exec bash -c 'ffmpeg -i "$1" $FLAGS "${1%\.*}"FINAL.avi ' __ {} \; #&& find . -type f -not -name '*FINAL.avi' -name '*.avi' -delete && rename 's/FINAL//' *.avi #AUDIO SYNC #find "$TRANSCODEDIR"/* -type f -name "*.avi" -exec bash -c 'ffmpeg -i "$1" $OFFSET -i "$1" -map 0:v -vcodec copy -map 1:a -acodec copy -map 0:s? -scodec copy "${1%\.*}"FINAL.avi ' __ {} \; #&& find . -type f -not -name '*FINAL.mp4' -name '*.avi' -delete && rename 's/FINAL//' *.avi #MKV #FROM ORIGINAL STREAMS #find "$TRANSCODEDIR"/* -type f -name "*.mkv" -exec bash -c 'ffmpeg -i "$1" $FLAGS "${1%\.*}"FINAL.mkv ' __ {} \; #&& find . -type f -not -name '*FINAL.mkv' -name '*.mkv' -delete && rename 's/FINAL//' *.mkv #ADD SUBTITLES #find "$TRANSCODEDIR"/* -type f -name "*.mkv" -exec bash -c 'ffmpeg -i "$1" -sub_charenc CP1252 -i "${1%\.*}".srt -vcodec copy -acodec copy "${1%\.*}"FINAL.mkv ' __ {} \; #&& find . -type f -not -name '*FINAL.mkv' -name '*.mkv' -delete && rename 's/FINAL//' *.mkv #AUDIO SYNC #find "$TRANSCODEDIR"/* -type f -name "*.mkv" -exec bash -c 'ffmpeg -i "$1" $OFFSET -i "$1" -map 0:v -vcodec copy -map 1:a -acodec copy -map 0:s? -scodec copy "${1%\.*}"FINAL.mkv ' __ {} \; #&& find . -type f -not -name '*FINAL.mp4' -name '*.mkv' -delete && rename 's/FINAL//' *.mkv #MP4 #FROM ORIGINAL STREAMS #find "$TRANSCODEDIR"/* -type f -name "*.mp4" -exec bash -c 'ffmpeg -i "$1" $FLAGS "${1%\.*}"FINAL.mp4 ' __ {} \; #&& find . -type f -not -name '*FINAL.mp4' -name '*.mp4' -delete && rename 's/FINAL//' *.mp4 #ADD SUBTITLES #find "$TRANSCODEDIR"/* -type f -name "*.mp4" -exec bash -c 'ffmpeg -i "$1" -f srt -i "${1%\.*}".srt -c:v copy -c:a copy -c:s mov_text "${1%\.*}"FINAL.mp4 ' __ {} \; #&& find . -type f -not -name '*FINAL.mp4' -name '*.mp4' -delete && rename 's/FINAL//' *.mp4 #AUDIO SYNC #find "$TRANSCODEDIR"/* -type f -name "*.mp4" -exec bash -c 'ffmpeg -i "$1" $OFFSET -i "$1" -map 0:v -vcodec copy -map 1:a -acodec copy -map 0:s? -scodec copy "${1%\.*}"FINAL.mp4 ' __ {} \; #&& find . -type f -not -name '*FINAL.mp4' -name '*.mp4' -delete && rename 's/FINAL//' *.mp4
--Alias和自动化
sudo nano ~/.bashrc && sudo source ~/.bashrc alias audioscript="sudo cp /media/audio.sh ./ && sudo nano ./audio.sh ; nohup ./audio.sh > convert.nohup &" alias mkvfinal="find . -type f -not -name '*FINAL.mkv' -name '*.mkv' -delete && rename 's/FINAL//' *.mkv && find . -name 'audio.sh' -delete && find . -name 'convert.nohup' -delete" alias avifinal="find . -type f -not -name '*FINAL.avi' -name '*.avi' -delete && rename 's/FINAL//' *.avi && find . -name 'audio.sh' -delete && find . -name 'convert.nohup' -delete" alias mp4final="find . -type f -not -name '*FINAL.mp4' -name '*.mp4' -delete && rename 's/FINAL//' *.mp4 && find . -name 'audio.sh' -delete && find . -name 'convert.nohup' -delete" alias srtremove="find . -name '*.srt' -delete"