[FFmpeg-user] Filter Question

Moritz Barsnick barsnick at gmx.net
Thu Jan 6 18:14:35 EET 2022

Hi Hanna,

On Tue, Jan 04, 2022 at 14:26:29 -0800, Hanna Frangiyyeh wrote:
> PS D:\TEMP\Source Files\Audio>
> D:\Apps\AudioRendering\AudioRendering\AudioRendering\ffmpeg.exe -i
> "D:\TEMP\Source Files\
> 720E\MLB21_INT_PLAYER_720.mov" -i "D:\TEMP\Source
> Files\Audio\file_example_WAV_1MG.wav" -filter_complex 'split [rgb_in][
> alpha_in];[rgb_in] lutrgb=a=minval [rgb_out];[alpha_in] format=rgba, split
> [T1], fifo, lutrgb=r=maxval:g=maxval:b=maxval
> , [T2] overlay [rgb_out][T1] fifo, lutrgb=r=minval:g=minval:b=minval
There's still something fishy here. Should there also be a semicolon?

> [T2][alpha_out]' -map '[rgb_out]' "D:\TEMP\Source F
> iles\Done\MLB21_INT_PLAYER_720_ProRes422-1080_ST_F.MOV" -map '[alpha_out]'
> "D:\TEMP\Source Files\Done\MLB21_INT_PLAYER_7
> 20_ProRes422-1080_ST_M.MOV" -acodec copy -map 0:0 -map 1:a:0 -y  1:a:0 -y
> [AVFilterGraph @ 000001c0146020c0] No output pad can be associated to link
> label 'T1'.

This message said you should be looking for something related to T1.


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