ffmpeg woe

some interesting woze after doing ffmpeg ./configure –disable-everything then adding back in what I needed/wanted:

 

 

blank.png: Protocol not found
Did you mean file:blank.png?

 

meant configure with –enable-protocols

3 thoughts on “ffmpeg woe”

  1. Decoder (codec png) not found for input stream #0:0

    meant I had specified –enable-decoder=png

    but it has a dependency on zlib
    so I had to also add –enable-zlib

    to configure

    output of configure should include this

    Enabled decoders:
    apng bmp png

  2. ‘scale’ filter not present, cannot convert pixel formats.
    Error reinitializing filters!
    Failed to inject frame into filter network: Invalid argument
    Error while processing the decoded data for stream #0:0

    meant add
    –enable-filter=scale

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