[FFmpeg-user] joining avchd files

Carl Eugen Hoyos cehoyos at ag.or.at
Mon Oct 29 00:45:18 CET 2012


sean darcy <seandarcy2 <at> gmail.com> writes:

> But since the sd memory card is formated in FAT32, it can only write 2gb 
> files. And it writes the 2gb files without any reference to the content, 
> such as keyframes. For instance, file 1 may have all or part of a video 
> frame, but the audio for that frame is in file 2. So if you're filming a 
> school play, you quickly get audio sync problems.
> 
> This means that simply cat'ing files most times generates audio sync 
> issues. 

I don't know your problem (I suspect I could reproduce it 
with my Sony camera, but I haven't tried yet), but cat 
should be the solution.
In what way does it generate audio sync issues? Any error 
messages?

Carl Eugen



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