Cast payload type to int in logs.

R=stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/29199004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7861 4adac7df-926f-26a2-2b94-8c16560cd09d
Add AbsSendTime unittests to rampup_tests.cc.

R=stefan@webrtc.org
BUG=

Review URL: https://webrtc-codereview.appspot.com/28229004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7862 4adac7df-926f-26a2-2b94-8c16560cd09d
Change LastProcessedRtt (used in the rtp/rtcp module) to return the average RTT (instead of max RTT) to get a smooth estimate of the nack interval.

R=mflodman@webrtc.org, stefan@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/27349004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7863 4adac7df-926f-26a2-2b94-8c16560cd09d
Remove CELT support from audio_coding.

R=henrik.lundin@webrtc.org, juberti@webrtc.org
TBR=kjellander@webrtc.org
BUG=

Review URL: https://webrtc-codereview.appspot.com/33579004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@7864 4adac7df-926f-26a2-2b94-8c16560cd09d