I have a handful of FLV files that are in fact a single sequence. I'd like to combine them into a single file, e.g. part1.flv, part2.flv, part3.flv become final.flv.
What is the easiest way that I can do this without losing video quality?
The output could be forced to FLV, but this is currently buggy, and you will get the following message if you try adding
According to your comment you got the error:
According to a blog entry this is caused by attempting to convert AAC audio. In this case you can try
Otherwise, add the option
If this doesn't work for you, you can also recode the audio. However this is too complex to describe in this answer. You'll need to look at the manpage or ask another question here.