wavpackenc: simplify "sign = ((sample) < 0) ? 1 : 0;"

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
rtpproto: Check for the right feature when reading a sockaddr_in6

Some systems, such as OS/2, define AF_INET6 without a full
implementation.

Signed-off-by: Martin Storsjö <martin@martin.st>
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  rtpproto: Check for the right feature when reading a sockaddr_in6

Merged-by: Michael Niedermayer <michaelni@gmx.at>
ffv1dec: support printing information about the global header

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
ffv1: fix plane_count at version 1.4

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
avcodec/ffv1enc: fix chroma_plane for rgb/rgba

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