mix audio and video is ok and send rtmp server is ok.

mix video is ok and send to rtmp server is ok.

modify packet.h file

push mix audio and video ok, but lost frame is heavily

one peer can send video and audio.

leading peer can send video and audio ok

download audio and video data is okw

out audio and video to rtmp is ok

send video to rtmp and get rtmp stream using vlc is ok

modify audo decode

modify codec out 360*480

add use static mediacommon

solve session is error

add release session notify

add send release session notify protocol and some some destory resurce