1 files changed, 56 insertions, 0 deletions
diff --git a/modules/amr/sdp.c b/modules/amr/sdp.c
new file mode 100644
index 0000000..e4b0cdf
--- /dev/null
+++ b/modules/amr/sdp.c
@@ -0,0 +1,56 @@
+/**
+ * @file amr/sdp.c AMR SDP Functions
+ *
+ * Copyright (C) 2010 - 2015 Creytiv.com
+ */
+
+#include <re.h>
+#include <baresip.h>
+#include "amr.h"
+
+
+static bool amr_octet_align(const char *fmtp)
+{
+	struct pl pl, oa;
+
+	if (!fmtp)
+		return false;
+
+	pl_set_str(&pl, fmtp);
+
+	if (fmt_param_get(&pl, "octet-align", &oa))
+		return 0 == pl_strcmp(&oa, "1");
+
+	return false;
+}
+
+
+int amr_fmtp_enc(struct mbuf *mb, const struct sdp_format *fmt,
+		 bool offer, void *arg)
+{
+	const struct aucodec *ac = arg;
+	(void)offer;
+
+	if (!mb || !fmt || !ac)
+		return 0;
+
+	return mbuf_printf(mb, "a=fmtp:%s octet-align=1\r\n",
+			   fmt->id);
+}
+
+
+bool amr_fmtp_cmp(const char *lfmtp, const char *rfmtp, void *arg)
+{
+	const struct aucodec *ac = arg;
+	(void)lfmtp;
+
+	if (!ac)
+		return false;
+
+	if (!amr_octet_align(rfmtp)) {
+		info("amr: octet-align mode is required\n");
+		return false;
+	}
+
+	return true;
+}