handle AST_FORMAT_SLINEAR endianness properly on big-endian systems (bug #3865)

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@5373 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 14 insertions, 0 deletions

diff --git a/rtp.c b/rtp.c
index cfcfc1c3d..22840eb3c 100755
--- a/rtp.c
+++ b/rtp.c
@@ -596,6 +596,7 @@ struct ast_frame *ast_rtp_read(struct ast_rtp *rtp)
 			break;
 		case AST_FORMAT_SLINEAR:
 			rtp->f.samples = rtp->f.datalen / 2;
+			ast_frame_byteswap_be(&rtp->f);
 			break;
 		case AST_FORMAT_GSM:
 			rtp->f.samples = 160 * (rtp->f.datalen / 33);
@@ -1320,6 +1321,19 @@ int ast_rtp_write(struct ast_rtp *rtp, struct ast_frame *_f)
 
 
 	switch(subclass) {
+	case AST_FORMAT_SLINEAR:
+		if (!rtp->smoother) {
+			rtp->smoother = ast_smoother_new(320);
+		}
+		if (!rtp->smoother) {
+			ast_log(LOG_WARNING, "Unable to create smoother :(\n");
+			return -1;
+		}
+		ast_smoother_feed_be(rtp->smoother, _f);
+		
+		while((f = ast_smoother_read(rtp->smoother)))
+			ast_rtp_raw_write(rtp, f, codec);
+		break;
 	case AST_FORMAT_ULAW:
 	case AST_FORMAT_ALAW:
 		if (!rtp->smoother) {