diff --git a/api/source/mk_media.cpp b/api/source/mk_media.cpp
index 2c430f8d..53fb024e 100755
--- a/api/source/mk_media.cpp
+++ b/api/source/mk_media.cpp
@@ -178,13 +178,9 @@ API_EXPORT void API_CALL mk_media_input_aac(mk_media ctx, void *data, int len, u
 }
 
 API_EXPORT void API_CALL mk_media_input_pcm(mk_media ctx, void *data , int len, uint32_t pts){
-#ifdef ENABLE_FAAC
 	assert(ctx && data && len > 0);
 	MediaHelper::Ptr* obj = (MediaHelper::Ptr*) ctx;
 	(*obj)->getChannel()->inputPCM((char*)data, len, pts);
-#else
-    WarnL << "aac编码未启用,该方法无效,编译时请打开ENABLE_FAAC选项";
-#endif //ENABLE_FAAC
 }
 
 API_EXPORT void API_CALL mk_media_input_audio(mk_media ctx, void* data, int len, uint32_t dts){
diff --git a/src/Common/Device.cpp b/src/Common/Device.cpp
index 50aa4407..ed0b6fe7 100644
--- a/src/Common/Device.cpp
+++ b/src/Common/Device.cpp
@@ -16,6 +16,13 @@
 #include "Extension/G711.h"
 #include "Extension/H264.h"
 #include "Extension/H265.h"
+#ifdef ENABLE_FAAC
+#include "Codec/AACEncoder.h"
+#endif //ENABLE_FAAC
+
+#ifdef ENABLE_X264
+#include "Codec/H264Encoder.h"
+#endif //ENABLE_X264
 using namespace toolkit;
 
 namespace mediakit {
@@ -26,8 +33,8 @@ DevChannel::DevChannel(const string &vhost, const string &app, const string &str
 
 DevChannel::~DevChannel() {}
 
-#ifdef ENABLE_X264
 void DevChannel::inputYUV(char* apcYuv[3], int aiYuvLen[3], uint32_t uiStamp) {
+#ifdef ENABLE_X264
     //TimeTicker1(50);
     if (!_pH264Enc) {
         _pH264Enc.reset(new H264Encoder());
@@ -43,11 +50,13 @@ void DevChannel::inputYUV(char* apcYuv[3], int aiYuvLen[3], uint32_t uiStamp) {
             inputH264((char *) pOut[i].pucData, pOut[i].iLength, uiStamp);
         }
     }
-}
+#else
+    WarnL << "h264编码未启用,该方法无效,编译时请打开ENABLE_X264选项";
 #endif //ENABLE_X264
+}
 
-#ifdef ENABLE_FAAC
 void DevChannel::inputPCM(char* pcData, int iDataLen, uint32_t uiStamp) {
+#ifdef ENABLE_FAAC
     if (!_pAacEnc) {
         _pAacEnc.reset(new AACEncoder());
         if (!_pAacEnc->init(_audio->iSampleRate, _audio->iChannel, _audio->iSampleBit)) {
@@ -62,8 +71,10 @@ void DevChannel::inputPCM(char* pcData, int iDataLen, uint32_t uiStamp) {
             inputAAC((char *) pucOut + 7, iRet - 7, uiStamp, (char *)pucOut);
         }
     }
-}
+#else
+    WarnL << "aac编码未启用,该方法无效,编译时请打开ENABLE_FAAC选项";
 #endif //ENABLE_FAAC
+}
 
 void DevChannel::inputH264(const char *data, int len, uint32_t dts, uint32_t pts) {
     if(dts == 0){
diff --git a/src/Common/Device.h b/src/Common/Device.h
index 694570e7..675f7522 100644
--- a/src/Common/Device.h
+++ b/src/Common/Device.h
@@ -20,16 +20,11 @@
 using namespace std;
 using namespace toolkit;
 
-#ifdef ENABLE_FAAC
-#include "Codec/AACEncoder.h"
-#endif //ENABLE_FAAC
-
-#ifdef ENABLE_X264
-#include "Codec/H264Encoder.h"
-#endif //ENABLE_X264
-
 namespace mediakit {
 
+class H264Encoder;
+class AACEncoder;
+
 class VideoInfo {
 public:
     CodecId codecId = CodecH264;
@@ -107,7 +102,6 @@ public:
      */
     void inputAudio(const char *data, int len, uint32_t dts);
 
-#ifdef ENABLE_X264
     /**
      * 输入yuv420p视频帧，内部会完成编码并调用inputH264方法
      * @param apcYuv
@@ -115,9 +109,7 @@ public:
      * @param uiStamp
      */
     void inputYUV(char *apcYuv[3], int aiYuvLen[3], uint32_t uiStamp);
-#endif //ENABLE_X264
 
-#ifdef ENABLE_FAAC
 
     /**
      * 输入pcm数据，内部会完成编码并调用inputAAC方法
@@ -126,20 +118,13 @@ public:
      * @param uiStamp
      */
     void inputPCM(char *pcData, int iDataLen, uint32_t uiStamp);
-#endif //ENABLE_FAAC
 
 private:
     MediaOriginType getOriginType(MediaSource &sender) const override;
 
 private:
-
-#ifdef ENABLE_X264
     std::shared_ptr<H264Encoder> _pH264Enc;
-#endif //ENABLE_X264
-
-#ifdef ENABLE_FAAC
     std::shared_ptr<AACEncoder> _pAacEnc;
-#endif //ENABLE_FAAC
     std::shared_ptr<VideoInfo> _video;
     std::shared_ptr<AudioInfo> _audio;
     SmoothTicker _aTicker[2];