Fixed assertion caused by too small output buffer size of stream, this happens when codec with very small bandwidth is used, e.g: MELP 2.4kbps, (thanks William Wong).

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@2265 74dad513-b988-da41-8d7b-12977e46ad98

1 files changed, 10 insertions, 0 deletions

diff --git a/pjmedia/src/pjmedia/stream.c b/pjmedia/src/pjmedia/stream.c
index f8f4c16e..6a99bbb5 100644
--- a/pjmedia/src/pjmedia/stream.c
+++ b/pjmedia/src/pjmedia/stream.c
@@ -1377,6 +1377,7 @@ static pj_status_t create_channel( pj_pool_t *pool,
 {
     pjmedia_channel *channel;
     pj_status_t status;
+    unsigned min_out_pkt_size;
     
     /* Allocate memory for channel descriptor */
 
@@ -1407,6 +1408,15 @@ static pj_status_t create_channel( pj_pool_t *pool,
     if (channel->out_pkt_size > PJMEDIA_MAX_MTU)
 	channel->out_pkt_size = PJMEDIA_MAX_MTU;
 
+    /* It should big enough to hold (minimally) RTCP SR with an SDES. */
+    min_out_pkt_size =  sizeof(pjmedia_rtcp_sr_pkt) +
+			sizeof(pjmedia_rtcp_common) +
+			(4 + stream->cname.slen) +
+			32;
+
+    if (channel->out_pkt_size < min_out_pkt_size)
+	channel->out_pkt_size = min_out_pkt_size;
+
     channel->out_pkt = pj_pool_alloc(pool, channel->out_pkt_size);
     PJ_ASSERT_RETURN(channel->out_pkt != NULL, PJ_ENOMEM);