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electron ffmpeg mas build "Illegal instruction : 4"
8 mars 2021, par MartinI am trying to release an electron app on the Mac Apple Store (mas), my electron app uses ffmpeg to render videos. In order to release my app on the mac apple store, It needs to be sandboxed, and by default ffmpeg makes calls to external libraries so I need to statically build ffmpeg and package it with my app. My code is on the 'mas-ffmpeg-fix' branch : https://github.com/MartinBarker/digify/tree/mas-ffmpeg-fix


My static ffmpeg build works before I build my app, but after running
electron-builder build --mac
, the ffmpeg executable now fails withIllegal instruction: 4


This is the full timeline of building/packaging/submitting my app to the mac apple store and where the error first appears :


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In Digify repo :


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clone, configure, and build static ffpmeg : “sudo rm -rf ffmpeg-mac/ && npm run download-ffmpeg”


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download-ffmpeg command is inside package.json and runs this :

git clone https://git.ffmpeg.org/ffmpeg.git ffmpeg-mac && cd ffmpeg-mac && ./configure pkg_config='pkg-config --static' --pkg-config-flags='--static' --libdir=/usr/local/lib --extra-version=ntd_20150128 --disable-shared --disable-lzma --enable-gpl --enable-pthreads --enable-nonfree --enable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libx264 --enable-static --enable-filters --enable-runtime-cpudetect && make && cd ..


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Check if any dylibb files in the static ffmpeg build with command : “otool -L ffmpeg-mac/ffmpeg | grep /usr/local”


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If there are any, move them to folder in desktop, run ‘otool’ again to ensure there are no dynamic libraries, rebuild static ffmpeg.


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there will now be a folder 'ffmpeg-mac' which contains static versions of ffmpeg and ffprobe
















Using ffmpeg with electron UI : works
Using Ffmpeg with command-line command :

/Users/martinbarker/Documents/projects/digify-new/ffmpeg-mac/ffmpeg -h

Works

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- Build mac mass app with “npm run build-mas“
- When this command finishes it will output two files inside the /dist/mas/ folder : Digify.app and Digify-01.20.pkg (or whatever version number it is)
Ffmpeg command-line check :
/Users/martinbarker/Documents/projects/digify-new/dist/mas/Digify.app/Contents/Resources/ffmpeg -h
Illegal instruction : 4






This is the first place the error appears, after building my mac mac-apple-store app, ffmpeg fails with this err.


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- Sign built app with .sh file : “sh mas-sign-script.sh”
view .sh file here

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- the .sh file will output Digify-mac.pkg




- Easier command to both build & sign : “sudo rm -rf dist/mas/ && npm run build-mas && sh mas-sign-script.sh”
- Upload the outputted “Digify-mac.pkg” file & submit to apple for review








Once this app gets published in the store, if you download it and try to run an ffmpeg command with the electron UI, it fails with this error :


/Applications/Digify.app/Contents/Resources/app.asar/node_modules/execa/lib/error.js:59 Uncaught (in promise) Error: Command failed with exit code 1: /Applications/Digify.app/Contents/Resources/ffmpeg -i /Users/martinbarker/Downloads/Felix Lebarty - Bobo/01. Bobo.mp3 -y -filter_complex concat=n=1:v=0:a=1 -c:a libmp3lame -b:a 320k /Users/martinbarker/Downloads/Felix Lebarty - Bobo/output-064237.mp3
ffmpeg version N-101191-g51a9f487ae-ntd_20150128 Copyright (c) 2000-2021 the FFmpeg developers
 built with Apple LLVM version 10.0.1 (clang-1001.0.46.4)
 configuration: pkg_config='pkg-config --static' --pkg-config-flags=--static --libdir=/usr/local/lib --extra-version=ntd_20150128 --disable-shared --disable-lzma --enable-gpl --enable-pthreads --enable-nonfree --disable-libass --enable-libfdk-aac --enable-libmp3lame --enable-libx264 --enable-static --enable-filters --enable-runtime-cpudetect
 libavutil 56. 65.100 / 56. 65.100
 libavcodec 58.125.100 / 58.125.100
 libavformat 58. 68.100 / 58. 68.100
 libavdevice 58. 12.100 / 58. 12.100
 libavfilter 7.107.100 / 7.107.100
 libswscale 5. 8.100 / 5. 8.100
 libswresample 3. 8.100 / 3. 8.100
 libpostproc 55. 8.100 / 55. 8.100
[mp3 @ 0x7feeae809c00] Estimating duration from bitrate, this may be inaccurate
Input #0, mp3, from '/Users/martinbarker/Downloads/Felix Lebarty - Bobo/01. Bobo.mp3':
 Metadata:
 comment : 
 album : Bobo
 artist : Felix Lebarty
 title : Funkytown Eklablog
 genre : Boogie
 date : 1984
 Duration: 00:05:19.53, start: 0.000000, bitrate: 320 kb/s
 Stream #0:0: Audio: mp3, 44100 Hz, stereo, fltp, 320 kb/s
/Users/martinbarker/Downloads/Felix Lebarty - Bobo/output-064237.mp3: Operation not permitted
 at makeError (/Applications/Digify.app/Contents/Resources/app.asar/node_modules/execa/lib/error.js:59)
 at handlePromise (/Applications/Digify.app/Contents/Resources/app.asar/node_modules/execa/index.js:114)
 at async file:/Applications/Digify.app/Contents/Resources/app.asar/src/js/newindex.js:1162



Command failed with exit code 1: Operation not permitted


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Revision 33515 : Erreur dans la requête
4 décembre 2009, par kent1@… — LogErreur dans la requête