Fix PyInstaller LD_LIBRARY_PATH contamination breaking FFmpeg on Linux#766
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anne-o-pixel wants to merge 8 commits into
Open
Fix PyInstaller LD_LIBRARY_PATH contamination breaking FFmpeg on Linux#766anne-o-pixel wants to merge 8 commits into
LD_LIBRARY_PATH contamination breaking FFmpeg on Linux#766anne-o-pixel wants to merge 8 commits into
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Add clean_env function to remove LD_LIBRARY_PATH from environment.
Added clean_env() to subprocess calls for feature checks.
Updated the run method to include a clean environment for subprocesses.
Pass cleaned environment to subprocess run for thumbnail generation.
Updated thumbnail generation to use a cleaned environment.
Updated thumbnail generation to use a cleaned environment.
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When running from a PyInstaller-built binary (e.g. the
fastflix-binAUR package), FFmpeg fails to launch with:/usr/bin/ffmpeg: symbol lookup error: /usr/lib/libass.so.9: undefined symbol: FcConfigSetDefaultSubstitutePyInstaller sets
LD_LIBRARY_PATHto its bundled library directory at startup.When FastFlix spawns
/usr/bin/ffmpegas a subprocess, FFmpeg inherits this contaminated path and loads the bundledlibass.so(built for Ubuntu 24.04) instead of the system one, causing a symbol mismatch with the systemfontconfig.This affects any Linux distribution where the system library versions differ from those bundled in the PyInstaller binary.
Added a
clean_env()helper infastflix/shared.pythat stripsLD_LIBRARY_PATHfrom the environment when running in a frozen PyInstaller app.This is applied to all subprocess calls (run, Popen) that invoke FFmpeg, FFprobe, or related tools