1 files changed, 18 insertions, 3 deletions

diff --git a/src/modules/rtp/sdp.c b/src/modules/rtp/sdp.c
index 6a2e0c964..e130509df 100644
--- a/src/modules/rtp/sdp.c
+++ b/src/modules/rtp/sdp.c
@@ -39,8 +39,9 @@
 #include "sdp.h"
 #include "rtp.h"
 
-char *pa_sdp_build(int af, const void *src, const void *dst, const char *name, uint16_t port, uint8_t payload, const pa_sample_spec *ss) {
+char *pa_sdp_build(int af, const void *src, const void *dst, const char *name, uint16_t port, uint8_t payload, const pa_sample_spec *ss, bool enable_opus) {
     uint32_t ntp;
+    uint32_t rate, channels;
     char buf_src[64], buf_dst[64], un[64];
     const char *u, *f;
 
@@ -53,7 +54,15 @@ char *pa_sdp_build(int af, const void *src, const void *dst, const char *name, u
     pa_assert(af == AF_INET);
 #endif
 
-    pa_assert_se(f = pa_rtp_format_to_string(ss->format));
+    if (enable_opus) {
+        f = "OPUS";
+        rate = 48000;
+        channels = 2;
+    } else {
+        pa_assert_se(f = pa_rtp_format_to_string(ss->format));
+        rate = ss->rate;
+        channels = ss->channels;
+    }
 
     if (!(u = pa_get_user_name(un, sizeof(un))))
         u = "-";
@@ -78,7 +87,7 @@ char *pa_sdp_build(int af, const void *src, const void *dst, const char *name, u
             af == AF_INET ? "IP4" : "IP6", buf_dst,
             (unsigned long) ntp,
             port, payload,
-            payload, f, ss->rate, ss->channels);
+            payload, f, rate, channels);
 }
 
 static pa_sample_spec *parse_sdp_sample_spec(pa_sample_spec *ss, char *c) {
@@ -89,6 +98,9 @@ static pa_sample_spec *parse_sdp_sample_spec(pa_sample_spec *ss, char *c) {
     if (pa_startswith(c, "L16/")) {
         ss->format = PA_SAMPLE_S16BE;
         c += 4;
+    } else if (pa_startswith(c, "OPUS/")) {
+        ss->format = PA_SAMPLE_S16LE;
+        c += 5;
     } else
         return NULL;
 
@@ -218,6 +230,9 @@ pa_sdp_info *pa_sdp_parse(const char *t, pa_sdp_info *i, int is_goodbye) {
 
                         if (parse_sdp_sample_spec(&i->sample_spec, c))
                             ss_valid = true;
+
+                        if (pa_startswith(c, "OPUS/"))
+                            i->enable_opus = true;
                     }
                 }
             }