diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt
index fc82582..d5755a7 100644
--- a/app/CMakeLists.txt
+++ b/app/CMakeLists.txt
@@ -29,7 +29,7 @@ add_library( # Sets the name of the library.
             src/main/cpp/openSL_audio_player.c
             src/main/cpp/video_player.c
             src/main/cpp/ffmpeg_pusher.cpp
-            src/main/cpp/AVpacket_queue.c
+            src/main/cpp/packet_queue.cpp
             src/main/cpp/media_player.c
             src/main/cpp/video_filter.c
             src/main/cpp/fast_start.c
diff --git a/app/src/main/cpp/media_player.c b/app/src/main/cpp/media_player.c
index 9fc39ba..bcf5ca6 100644
--- a/app/src/main/cpp/media_player.c
+++ b/app/src/main/cpp/media_player.c
@@ -5,7 +5,7 @@
 #include "libavformat/avformat.h"
 #include "libswscale/swscale.h"
 #include "libswresample/swresample.h"
-#include "AVpacket_queue.h"
+#include "packet_queue.h"
 #include <android/native_window.h>
 #include <android/native_window_jni.h>
 #include <stdio.h>
diff --git a/app/src/main/cpp/AVpacket_queue.c b/app/src/main/cpp/packet_queue.cpp
similarity index 88%
rename from app/src/main/cpp/AVpacket_queue.c
rename to app/src/main/cpp/packet_queue.cpp
index 74d9627..0df07d6 100644
--- a/app/src/main/cpp/AVpacket_queue.c
+++ b/app/src/main/cpp/packet_queue.cpp
@@ -1,18 +1,18 @@
 //
 // Created by frank on 2018/2/3.
 //
-#include "AVpacket_queue.h"
+#include "packet_queue.h"
 #include <stdlib.h>
 #include <libavcodec/avcodec.h>
 
 
 AVPacketQueue *queue_init(int size) {
-    AVPacketQueue *queue = malloc(sizeof(AVPacketQueue));
+    AVPacketQueue *queue = static_cast<AVPacketQueue *>(malloc(sizeof(AVPacketQueue)));
     queue->size = size;
     queue->next_to_read = 0;
     queue->next_to_write = 0;
     int i;
-    queue->packets = malloc(sizeof(*queue->packets) * size);
+    queue->packets = static_cast<void **>(malloc(sizeof(*queue->packets) * size));
     for (i = 0; i < size; i++) {
         queue->packets[i] = malloc(sizeof(AVPacket));
     }
diff --git a/app/src/main/cpp/AVpacket_queue.h b/app/src/main/cpp/packet_queue.h
similarity index 79%
rename from app/src/main/cpp/AVpacket_queue.h
rename to app/src/main/cpp/packet_queue.h
index 1497a7d..10b578b 100644
--- a/app/src/main/cpp/AVpacket_queue.h
+++ b/app/src/main/cpp/packet_queue.h
@@ -2,11 +2,15 @@
 // Created by frank on 2018/2/3.
 //
 
-#ifndef VIDEOPLAYER_AVPACKET_QUEUE_H
-#define VIDEOPLAYER_AVPACKET_QUEUE_H
+#ifndef PACKET_QUEUE_H
+#define PACKET_QUEUE_H
 
 #include <pthread.h>
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct AVPacketQueue {
     //the size of queue
     int size;
@@ -26,4 +30,8 @@ void *queue_push(AVPacketQueue *queue, pthread_mutex_t *mutex, pthread_cond_t *c
 
 void *queue_pop(AVPacketQueue *queue, pthread_mutex_t *mutex, pthread_cond_t *cond);
 
-#endif //VIDEOPLAYER_AVPACKET_QUEUE_H
\ No newline at end of file
+#endif //PACKET_QUEUE_H
+
+#ifdef __cplusplus
+}
+#endif
\ No newline at end of file