ffmpeg- console- run program false negative

[aleksa77]

lately, i notice that run program give us a lot time false negative, I write console code:

-i input.mp4

and get all data, but in description wrote:

At least one output file must be specified

 

[aleksa77]

now and for fade effect :

-i input.mp4 -filter_complex "afade=d=0.5, areverse, afade=d=0.5, areverse" output.mp4

For some data when I need some info it is fine - i can check do i get or not, but I do not know is all fine, because the file is created anyway

 

[Nike59]

Try this
-i input.mp4 -filter_complex ""afade=d=0.5, areverse, afade=d=0.5, areverse"" output.mp4

 

[aleksa77]

thanks, but now is a real error, video not created - and not like error

Error initializing complex filters.
Invalid argument

 

[aleksa77]

ok, i with simple metadata can check again all info about video, and check duration if not exist, video is not converted good , on test if file is corrupted, not show duration.

 

[Astraport]

I have the same errors when use ffmpeg from "Run program" but mp4 everytime created successfully.