res_rtp_asterisk: Fix placement of txcount increment

Commit 1bce690ccb36a4744a327c07af23a9a3a0fa20cd was incrementing txcount
for rtcp packets as well as rtp packets and that was causing sender reports
to be generated instead of receiver reports in cases where no rtp was actually
being sent.

Moved the txcount increment from __rtp_sento, which handles both rtp and rtcp,
to rtp_sento which only handles rtp packets.

Discovered by the hep/rtcp-receiver test.

Change-Id: Ie442e4bb947a68847a676497021ba10ffaf376d5

diff --git a/res/res_rtp_asterisk.c b/res/res_rtp_asterisk.c
index 45bc3103ae98bc9d039774f6cd9593dcc8d47c0d..9cc9f92a903e1e169f9f9aca8a6ebc713cbd25e1 100644 (file)
--- a/res/res_rtp_asterisk.c
+++ b/res/res_rtp_asterisk.c
@@ -2252,7 +2252,6 @@ static int __rtp_sendto(struct ast_rtp_instance *instance, void *buf, size_t siz
        struct ast_rtp *rtp = ast_rtp_instance_get_data(instance);
        struct ast_srtp *srtp = ast_rtp_instance_get_srtp(instance);
        int res;
-       int hdrlen = 12;
 
        *ice = 0;
 
@@ -2260,9 +2259,6 @@ static int __rtp_sendto(struct ast_rtp_instance *instance, void *buf, size_t siz
                return -1;
        }
 
-       rtp->txcount++;
-       rtp->txoctetcount += (len - hdrlen);
-
 #ifdef HAVE_PJPROJECT
        if (rtp->ice) {
                pj_thread_register_check();
@@ -2289,7 +2285,16 @@ static int rtcp_sendto(struct ast_rtp_instance *instance, void *buf, size_t size
 
 static int rtp_sendto(struct ast_rtp_instance *instance, void *buf, size_t size, int flags, struct ast_sockaddr *sa, int *ice)
 {
-       return __rtp_sendto(instance, buf, size, flags, sa, 0, ice, 1);
+       struct ast_rtp *rtp = ast_rtp_instance_get_data(instance);
+       int hdrlen = 12;
+       int res;
+
+       if ((res = __rtp_sendto(instance, buf, size, flags, sa, 0, ice, 1)) > 0) {
+               rtp->txcount++;
+               rtp->txoctetcount += (res - hdrlen);
+       }
+
+       return res;
 }
 
 static int rtp_get_rate(struct ast_format *format)