Added field maximum bitrate to codec param, this is useful for providing safer frame size calculation, especially when peer's bitrate is unknown

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@1985 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjmedia/src/pjmedia-codec/l16.c b/pjmedia/src/pjmedia-codec/l16.c
index 0ccc930..5ddd044 100644
--- a/pjmedia/src/pjmedia-codec/l16.c
+++ b/pjmedia/src/pjmedia-codec/l16.c
@@ -242,6 +242,7 @@
     attr->info.clock_rate = id->clock_rate;
     attr->info.channel_cnt = id->channel_cnt;
     attr->info.avg_bps = id->clock_rate * id->channel_cnt * 16;
+    attr->info.max_bps = attr->info.avg_bps;
     attr->info.pcm_bits_per_sample = 16;
 
     /* To keep frame size below 1400 MTU, set ptime to 10ms for