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FFmpeg/FFprobe AWS Lambda layer
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Subtitles doesn't work #19

Closed Tribevote closed 3 years ago

Tribevote commented 3 years ago

I'm getting the below error

Fontconfig error: Cannot load default config file [Parsed_subtitles_0 @ 0x5c39300] No usable fontconfig configuration file found, using fallback. Fontconfig error: Cannot load default config file

I'm guessing libass is not enabled by default, any idea on how to resolve this?

andrewgwallace commented 3 years ago

Sounds like you'll need to compile your own FFMPEG implementation with libass and then deploy that to SAM. I've not had a need for it just yet (though I see where I will at some point) Maybe this will help? https://trac.ffmpeg.org/wiki/CompilationGuide/macOS -- libass is listed in one of the examples. That's for macOS but I'm guessing the wiki has information on compiling for other systems as well.

gojko commented 3 years ago

if you're deploying on an awslinux 2 instance (eg nodejs12 and above, python 3.7), the linux distribution does not have fontconfig or freetype, so no method to load fonts. you can include fontconfig and freetype by recompiling manually, or use a docker lambda image and set up the appropriate dependencies that way