[Asterisk-cvs] asterisk/channels chan_zap.c,1.512,1.513

[kpfleming]

Update of /usr/cvsroot/asterisk/channels
In directory mongoose.digium.com:/tmp/cvs-serv12029/channels

Modified Files:
	chan_zap.c 
Log Message:
revert an optimization that didn't work (issue #5222)


Index: chan_zap.c
===================================================================
RCS file: /usr/cvsroot/asterisk/channels/chan_zap.c,v
retrieving revision 1.512
retrieving revision 1.513
diff -u -d -r1.512 -r1.513
--- chan_zap.c	14 Sep 2005 20:46:50 -0000	1.512
+++ chan_zap.c	15 Sep 2005 15:01:23 -0000	1.513
@@ -1428,14 +1428,16 @@
 static void fill_txgain(struct zt_gains *g, float gain, int law)
 {
 	int j;
-	short k;
+	int k;
 	float linear_gain = pow(10.0, gain / 20.0);
 
 	switch (law) {
 	case ZT_LAW_ALAW:
 		for (j = 0; j < (sizeof(g->txgain) / sizeof(g->txgain[0])); j++) {
 			if (gain) {
-				k = (short) (((float) AST_ALAW(j)) * linear_gain);
+				k = (int) (((float) AST_ALAW(j)) * linear_gain);
+				if (k > 32767) k = 32767;
+				if (k < -32767) k = -32767;
 				g->txgain[j] = AST_LIN2A(k);
 			} else {
 				g->txgain[j] = j;
@@ -1445,7 +1447,9 @@
 	case ZT_LAW_MULAW:
 		for (j = 0; j < (sizeof(g->txgain) / sizeof(g->txgain[0])); j++) {
 			if (gain) {
-				k = (short) (((float) AST_MULAW(j)) * linear_gain);
+				k = (int) (((float) AST_MULAW(j)) * linear_gain);
+				if (k > 32767) k = 32767;
+				if (k < -32767) k = -32767;
 				g->txgain[j] = AST_LIN2MU(k);
 			} else {
 				g->txgain[j] = j;
@@ -1458,14 +1462,16 @@
 static void fill_rxgain(struct zt_gains *g, float gain, int law)
 {
 	int j;
-	short k;
+	int k;
 	float linear_gain = pow(10.0, gain / 20.0);
 
 	switch (law) {
 	case ZT_LAW_ALAW:
 		for (j = 0; j < (sizeof(g->rxgain) / sizeof(g->rxgain[0])); j++) {
 			if (gain) {
-				k = (short) (((float) AST_ALAW(j)) * linear_gain);
+				k = (int) (((float) AST_ALAW(j)) * linear_gain);
+				if (k > 32767) k = 32767;
+				if (k < -32767) k = -32767;
 				g->rxgain[j] = AST_LIN2A(k);
 			} else {
 				g->rxgain[j] = j;
@@ -1475,7 +1481,9 @@
 	case ZT_LAW_MULAW:
 		for (j = 0; j < (sizeof(g->rxgain) / sizeof(g->rxgain[0])); j++) {
 			if (gain) {
-				k = (short) (((float) AST_MULAW(j)) * linear_gain);
+				k = (int) (((float) AST_MULAW(j)) * linear_gain);
+				if (k > 32767) k = 32767;
+				if (k < -32767) k = -32767;
 				g->rxgain[j] = AST_LIN2MU(k);
 			} else {
 				g->rxgain[j] = j;
@@ -1526,6 +1534,33 @@
 	return set_actual_txgain(fd, chan, txgain, law) | set_actual_rxgain(fd, chan, rxgain, law);
 }
 
+static int bump_gains(struct zt_pvt *p)
+{
+	int res;
+
+	/* Bump receive gain by 5.0db */
+	res = set_actual_gain(p->subs[SUB_REAL].zfd, 0, p->rxgain + 5.0, p->txgain, p->law);
+	if (res) {
+		ast_log(LOG_WARNING, "Unable to bump gain: %s\n", strerror(errno));
+		return -1;
+	}
+
+	return 0;
+}
+
+static int restore_gains(struct zt_pvt *p)
+{
+	int res;
+
+	res = set_actual_gain(p->subs[SUB_REAL].zfd, 0, p->rxgain, p->txgain, p->law);
+	if (res) {
+		ast_log(LOG_WARNING, "Unable to restore gains: %s\n", strerror(errno));
+		return -1;
+	}
+
+	return 0;
+}
+
 static inline int zt_set_hook(int fd, int hs)
 {
 	int x, res;
@@ -5041,30 +5076,6 @@
 }
 
 
-static int bump_gains(struct zt_pvt *p)
-{
-	int res;
-	/* Bump receive gain by 9.0db */
-	res = set_actual_gain(p->subs[SUB_REAL].zfd, 0, p->rxgain + 5.0, p->txgain, p->law);
-	if (res) {
-		ast_log(LOG_WARNING, "Unable to bump gain\n");
-		return -1;
-	}
-	return 0;
-}
-
-static int restore_gains(struct zt_pvt *p)
-{
-	int res;
-	/* Bump receive gain by 9.0db */
-	res = set_actual_gain(p->subs[SUB_REAL].zfd, 0, p->rxgain, p->txgain, p->law);
-	if (res) {
-		ast_log(LOG_WARNING, "Unable to restore gains: %s\n", strerror(errno));
-		return -1;
-	}
-	return 0;
-}
-
 static int my_getsigstr(struct ast_channel *chan, char *str, char term, int ms)
 {
 char c;