I haven't been able to download using PID for ages....

[bat guano]

> 
> Using --raw obviates the transcoding (yeurgh). use FLVExtract to rip out 
> AAC from the FLVs and then use YAMB (or MP4Box if you're not lazy like 
> me) to remux as an M4A and get it seekable. For videos, I just leave as 
> FLV as MPC can parse and decode them fine natively; when I remuxed as 
> MP4 I had frame drift for whatever reason... and at that point I was 
> happy enough anyway with the H.264 FLVs. :-)
> 
> 

Hi
Surely for m4a/mp4 files get_iplayer uses FFmpeg to do just what you're doing with FLVExtract and YAMB?
Not 'transcoding', only re-packaging.