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

[Gyan Doshi]

On 14-06-2020 02:08 pm, drramimagdi wrote:
> 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

':' is used by ffmpeg filters to separate options, so it has to be 
escaped when fed as part of an argument.

     lut3d='d\:/3DLUTs/001.3DL'


Regards,
Gyan




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