added "break;" statement

CID:27786
packRTCP:rr/sr/sdes takes at least 2 args

not neccessarily >2

CID:27783
CID:27784
CID:27785
added mixxing "break;" statement

CID:27787
added missing "break;" statements

CID:27788
CID:27789
CID:27790
CID:27791

CID:27793
check range values for psfb.rpsi.p[bt]

no use doing (0x80&x) if x is only 7bit...

CID:27782
disabled [tsrange2seq] for now

it's nowhere used, doesn't work at all and has some memory leak in
the "add" callback.
fixing invalid pointer-access

must not access struct values after it has been freed...
the solution is to access the values before they are invalidated.

CID:27794
pktduration needs to be reduced by one.

a packet of e.g. 64 samples covers timestamps 0..(64-1) not 0..(64)
0 termination of varargs
cosmetics: comments, nicer printouts, braces...