Only set dtmfcount on BEGIN, and ensure it gets reset to 0 properly.

(issue #14460)
Reported by: moliveras
Tested by: russell


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@178373 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/rtp.c

@@ -745,6 +745,7 @@ static struct ast_frame *process_rfc2833(struct ast_rtp *rtp, unsigned char *dat
 	if (ast_test_flag(rtp, FLAG_DTMF_COMPENSATE)) {
 		if ((rtp->lastevent != timestamp) || (rtp->resp && rtp->resp != resp)) {
 			rtp->resp = resp;
+			rtp->dtmfcount = 0;
 			f = send_dtmf(rtp, AST_FRAME_DTMF_END);
 			f->len = 0;
 			rtp->lastevent = timestamp;
@@ -753,16 +754,16 @@ static struct ast_frame *process_rfc2833(struct ast_rtp *rtp, unsigned char *dat
 		if ((!(rtp->resp) && (!(event_end & 0x80))) || (rtp->resp && rtp->resp != resp)) {
 			rtp->resp = resp;
 			f = send_dtmf(rtp, AST_FRAME_DTMF_BEGIN);
+			rtp->dtmfcount = dtmftimeout;
 		} else if ((event_end & 0x80) && (rtp->lastevent != seqno) && rtp->resp) {
 			f = send_dtmf(rtp, AST_FRAME_DTMF_END);
 			f->len = ast_tvdiff_ms(ast_samp2tv(samples, 8000), ast_tv(0, 0)); /* XXX hard coded 8kHz */
 			rtp->resp = 0;
+			rtp->dtmfcount = 0;
 			rtp->lastevent = seqno;
 		}
 	}
 
-	rtp->dtmfcount = dtmftimeout;
-
 	return f;
 }
 
@@ -1332,7 +1333,6 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
 		rtp->f.delivery.tv_usec = 0;
 		if (mark)
 			rtp->f.subclass |= 0x1;
-		
 	}
 	rtp->f.src = "RTP";
 	return &rtp->f;