Document "sctp" protocol

Reviewed-by: Stefano Sabatini <stefasab@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avformat/libmodplug: Reduce the probe score for small input

This ensures that theres enough data for mpeg_probe() to recognize mpeg-ps
Fixes Ticket2583

Based on code by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avformat/iff: Byte seek is unsupported

Fixes Ticket2194

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/jpeg2000dec: check that tp_end is after the start

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
bytestream2_init: assert that buf_size is valid

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/utvideodec: Fix vlc len

Fixes regression / Ticket2661

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
doc/decoders: Document libilbc decoder

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>