On Mon, Feb 19, 2024 at 08:49:14PM +0100, Paul B Mahol wrote:
 
> Best to create minimal reproducible usecase with all required files to 
> reproduce it

By the way, this isn't just for reporting on Trac. For most recipients of these 
messages (i.e. the people subscribed here) to get anything out of them, we need 
something to hold on to.

For example, "Based on the docs here (link), I'd expect -ss to produce the same 
output whether provided as an input argument or an output argument. Here's the 
command I ran, and here's an example file that produces different results."

Without a reproducer, it's really hard for one's eyes not to glaze over (and I 
say this as someone who's actually taking the time to read emails about a 
stranger not getting the results they wanted from ffmpeg).

Take the most extreme example:

Person A: "I ran `ffmpeg -i foo.avi foo.mp4` with ffmpeg version X and it 
crashed."
Person B: "I tried the same command with version X and didn't see a crash. Can 
you send foo.avi?"
Person A: "No."

If you could make a real reproducer, you'd get a lot more people looking into 
your problem. Pages and pages of information without a basic reproducer is of 
limited use to most people.

You've really got to find a way to cut the excess out of your giant file. 
ffmpeg actually provides a lot of ways to chop files up!

Tom
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