[FFmpeg-user] Old vs New Vesion of ffmpeg - Guidance needed.

Moritz Barsnick barsnick at gmx.net
Sun Jan 31 17:04:28 CET 2016

On Sat, Jan 30, 2016 at 21:38:03 -0500, Javier Hernandez wrote:
> This program executes the batch files behind the scenes. There's no
> way for me to see what is displayed once they are called.

Well, that's very unfortunate. That's where all the information is.

Please add "-report" to your batch files. That will create files named
program-YYYYMMDD-HHMMSS.log in the current directory. Attach them to
emails to this list (unless they are very large and full of repetitive
errors - then cut out a large part of the repetitions in the middle,
but don't omit beginning and end).

> If I try to use the new ffmpeg.exe, nothing is generated. No
> error/warning messages at all.

Well, no wonder, if there is no way for you to see what is displayed.
I'm sure there's an error message. ;-) Please use the report option to
check what actually went wrong.

> I hope it is a parameter not correctly setup or something like that.
> I think it's worth it upgrading to the new version, but I have no
> idea what those changes might be.

Let me do some guessing:

Please change
> ffmpeg.exe -i %1 -y -acodec libmp3lame -ar 44100 -ab 64k %2 -ss %3 -t %4
> ffmpeg.exe -i %1 -ss %3 -t %4 -y -acodec libmp3lame -ar 44100 -ab 64k %2

Please change
> ffmpeg.exe -i %1 -s %3x%4 -b 500k -bt 100k -vcodec libx264 -acodec libfaac -ar 44100 -ab 32k -ac 2 -y %2 -ss %5 -t %6
> ffmpeg.exe -i %1 -ss %5 -t %6 -s %3x%4 -b 500k -bt 100k -vcodec libx264 -acodec libfaac -ar 44100 -ab 32k -ac 2 -y %2

Perhaps your new ffmpeg doesn't support libfaac anymore. With most
recent ffmpeg, please use the native encoder (just "aac").


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