From: Matthew Nicholson <mnicholson@digium.com>
Date: Thu, 27 Oct 2011 20:11:11 +0000 (+0000)
Subject: tweak the v21 detector to detect an additional pattern of hits and misses
X-Git-Tag: 11.0.0-beta1~987
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=849992fde929425bde434bf18d192947193bfca9;p=thirdparty%2Fasterisk.git

tweak the v21 detector to detect an additional pattern of hits and misses
........

Merged revisions 342605 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@342606 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/main/dsp.c b/main/dsp.c
index fdea748fd4..91eea6c9da 100644
--- a/main/dsp.c
+++ b/main/dsp.c
@@ -631,7 +631,7 @@ static int v21_detect(struct ast_dsp *dsp, v21_detect_state_t *s, int16_t *amp,
 		}
 
 		if (hit) {
-			if (s->miss_count == 3) {
+			if (s->miss_count == 3 || (s->hit_count == 1 && s->miss_count == 2)) {
 				s->hit_count++;
 			} else {
 				s->hit_count = 1;