get_iplayer hd and convert to avi

get the video:
get_iplayer --vmode=flashhigh --pid ####### --force

converting flash video with ffmpeg, first get a terminal to the folder with the .flvs in it.  Then run the following:

//this copies


ffmpeg -i "Sing2.flv" -vcodec copy "Sing2.avi"


//this converts


ffmpeg -i "Sing2.flv" "Sing2.avi"     


//this copies


ffmpeg -vcodec copy -acodec copy -i INPUT.flv OUTPUT.mp4