[FFmpeg-user] why can't i use drive letter ?

drramimagdi drramimagdi at gmail.com
Sun Jun 14 11:38:51 EEST 2020


this works which is great 
ffmpeg -v error -stats -y -i input -vf lut3d="/3DLUTs/001.3DL" output

but this does not 
ffmpeg -v error -stats -y -i input -vf lut3d="*d:*/3DLUTs/001.3DL" output

this is the error 

[lut3d @ 000000cc80ee8080] [Eval @ 000000ccfdbcdb50] Undefined constant or
missing '(' in '/3DLUTs/1.3DL'
[lut3d @ 000000cc80ee8080] Unable to parse option value "/3DLUTs/1.3DL"
[lut3d @ 000000cc80ee8080] [Eval @ 000000ccfdbcdb60] Undefined constant or
missing '(' in '/3DLUTs/1.3DL'
[lut3d @ 000000cc80ee8080] Unable to parse option value "/3DLUTs/1.3DL"
[lut3d @ 000000cc80ee8080] Error setting option interp to value
/3DLUTs/1.3DL.
[Parsed_lut3d_0 @ 000000cc800a9f40] Error applying options to the filter.
[AVFilterGraph @ 000000ccffe4a700] Error initializing filter 'lut3d' with
args 'd:/3DLUTs/1.3DL'
Error reinitializing filters!
Failed to inject frame into filter network: Invalid argument
Error while processing the decoded data for stream #0:0

i do not want to copy the filter beside the input file every time 



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