diff --git a/api/include/mk_common.h b/api/include/mk_common.h
index 6363d22e..d93f1124 100755
--- a/api/include/mk_common.h
+++ b/api/include/mk_common.h
@@ -101,6 +101,13 @@ API_EXPORT void API_CALL mk_env_init1(int thread_num,
  */
 API_EXPORT void API_CALL mk_set_option(const char *key, const char *val);
 
+/**
+ * 获取配置项的值
+ * @param key 配置项名
+ */
+API_EXPORT const char * API_CALL mk_get_option(const char *key);
+
+
 /**
  * 创建http[s]服务器
  * @param port htt监听端口，推荐80，传入0则随机分配
diff --git a/api/include/mk_media.h b/api/include/mk_media.h
index c221053b..ff85cf47 100755
--- a/api/include/mk_media.h
+++ b/api/include/mk_media.h
@@ -98,6 +98,16 @@ API_EXPORT void API_CALL mk_media_input_h265(mk_media ctx, void *data, int len,
  */
 API_EXPORT void API_CALL mk_media_input_aac(mk_media ctx, void *data, int len, uint32_t dts, void *adts);
 
+#ifdef ENABLE_FAAC
+/**
+ * 输入单帧PCM音频
+ * @param ctx 对象指针
+ * @param data 单帧PCM数据
+ * @param len 单帧PCM数据字节数
+ * @param dts 时间戳，毫秒
+ */
+API_EXPORT void API_CALL mk_media_input_PCM(mk_media ctx, void *Data, int len, uint32_t pts);
+#endif //ENABLE_FAAC
 /**
  * 输入单帧G711音频
  * @param ctx 对象指针
diff --git a/api/source/mk_common.cpp b/api/source/mk_common.cpp
index 0baa311c..ce36924e 100644
--- a/api/source/mk_common.cpp
+++ b/api/source/mk_common.cpp
@@ -119,6 +119,17 @@ API_EXPORT void API_CALL mk_set_option(const char *key, const char *val) {
     mINI::Instance()[key] = val;
 }
 
+API_EXPORT const char * API_CALL mk_get_option(const char *key)
+{
+    assert(key);
+    if (mINI::Instance().find(key) == mINI::Instance().end()) {
+        WarnL << "key:" << key << " not existed!";
+        return nullptr;
+    }
+    return mINI::Instance()[key].data();
+}
+
+
 API_EXPORT uint16_t API_CALL mk_http_server_start(uint16_t port, int ssl) {
     ssl = MAX(0,MIN(ssl,1));
     try {
diff --git a/api/source/mk_media.cpp b/api/source/mk_media.cpp
index c3309c5d..c6bdaf19 100755
--- a/api/source/mk_media.cpp
+++ b/api/source/mk_media.cpp
@@ -157,6 +157,15 @@ API_EXPORT void API_CALL mk_media_input_aac(mk_media ctx, void *data, int len, u
     (*obj)->getChannel()->inputAAC((char *) data, len, dts, (char *) adts);
 }
 
+#ifdef ENABLE_FAAC
+API_EXPORT void API_CALL mk_media_input_PCM(mk_media ctx, void *data , int len, uint32_t pts)
+{
+	assert(ctx && data && len > 0);
+	MediaHelper::Ptr* obj = (MediaHelper::Ptr*) ctx;
+	(*obj)->getChannel()->inputPCM((char*)data, len, pts);
+}
+#endif //ENABLE_FAAC
+
 API_EXPORT void API_CALL mk_media_input_g711(mk_media ctx, void* data, int len, uint32_t dts){
     assert(ctx && data && len > 0);
     MediaHelper::Ptr* obj = (MediaHelper::Ptr*) ctx;