On 11-04-2022 21:48, Zach Beal wrote:
Hello,
I have compressed AVI files that I want to convert to an uncompressed
format. I do not know what the files are compressed with because they are exported from
data acquisition software as "compressed AVI". How can this be accomplished
with FFmpeg?
I don't think you want uncompressed format. The avi container can have a
lot of different compressed audiovideo formats. There is however no
clear specification of codecs for avi containers as it is a fairly old
one, avi was superseded by asf. both formats were developed by Microsoft.
Try to use ffprobe to find out which codecs are used in the avi
container. Most likely it will be something like
divx/xvid/realvideo/cinepack as those were the usual suspects in the avi
days.
Most flexible modern container is matroska (mkv). It can most likely
handle those old codecs. Converting them to newer codecs will only
degrade the quality that probably is not very good to begin with.
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