diff --git a/api/include/mk_events_objects.h b/api/include/mk_events_objects.h
index 5913c080..1f22f81b 100644
--- a/api/include/mk_events_objects.h
+++ b/api/include/mk_events_objects.h
@@ -82,6 +82,8 @@ API_EXPORT uint16_t API_CALL mk_media_info_get_port(const mk_media_info ctx);
 typedef void* mk_media_source;
 //查找MediaSource的回调函数
 typedef void(API_CALL *on_mk_media_source_find_cb)(void *user_data, const mk_media_source ctx);
+//生成AnswerSdp回调函数
+typedef void(API_CALL *on_mk_media_source_answersdp_cb)(void *user_data, const mk_media_source ctx, const char *answer, const char *err);
 
 //MediaSource::getSchema()
 API_EXPORT const char* API_CALL mk_media_source_get_schema(const mk_media_source ctx);
@@ -134,6 +136,9 @@ API_EXPORT void API_CALL mk_media_source_find(const char *schema,
 //MediaSource::for_each_media()
 API_EXPORT void API_CALL mk_media_source_for_each(void *user_data, on_mk_media_source_find_cb cb, const char *schema,
                                                   const char *vhost, const char *app, const char *stream);
+//MediaSource::find() + WebRtcPlayer::create + getOffer
+API_EXPORT void API_CALL mk_media_source_answersdp(void *user_data, on_mk_media_source_answersdp_cb cb, const char *offer, 
+                                                   const char *schema, const char *vhost, const char *app, const char *stream, int from_mp4);
 
 ///////////////////////////////////////////HttpBody/////////////////////////////////////////////
 //HttpBody对象的C映射
diff --git a/api/source/mk_events_objects.cpp b/api/source/mk_events_objects.cpp
index 2523b86c..dd19198a 100644
--- a/api/source/mk_events_objects.cpp
+++ b/api/source/mk_events_objects.cpp
@@ -257,6 +257,25 @@ API_EXPORT void API_CALL mk_media_source_for_each(void *user_data, on_mk_media_s
     }, schema ? schema : "", vhost ? vhost : "", app ? app : "", stream ? stream : "");
 }
 
+API_EXPORT void API_CALL mk_media_source_answersdp(void *user_data, on_mk_media_source_answersdp_cb cb, const char *offer, 
+                                                   const char *schema, const char *vhost, const char *app, const char *stream, int from_mp4) {
+#ifdef ENABLE_WEBRTC
+    assert(offer && schema && vhost && app && stream && cb);
+    auto srcfound = MediaSource::find(schema, vhost, app, stream, from_mp4);
+    mediakit::MediaInfo info;
+    info._schema = RTC_SCHEMA;
+    info._host = vhost;
+    info._app = app;
+    info._streamid = stream;
+    try {
+        auto rtc = WebRtcPlayer::create(EventPollerPool::Instance().getPoller(), std::dynamic_pointer_cast<RtspMediaSource>(srcfound), info);
+        cb(user_data, srcfound.get(), rtc->getAnswerSdp(offer).c_str(), "");
+    } catch (std::exception &ex) {
+        cb(user_data, nullptr, nullptr, ex.what());
+    }
+#endif
+}
+
 ///////////////////////////////////////////HttpBody/////////////////////////////////////////////
 API_EXPORT mk_http_body API_CALL mk_http_body_from_string(const char *str, size_t len){
     assert(str);