diff --git a/multimedia/player_framework/avplayer.h b/multimedia/player_framework/avplayer.h
index 9f89bc00c2a1c289b6de02345426530335a13b5d..6108618a41f107003648cbdc65d5a3bae0ce9347 100644
--- a/multimedia/player_framework/avplayer.h
+++ b/multimedia/player_framework/avplayer.h
@@ -47,6 +47,7 @@
 #include "avplayer_base.h"
 #include "native_window/external_window.h"
 #include "ohaudio/native_audiostream_base.h"
+#include "native_avcodec_base.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -644,6 +645,18 @@ OH_AVErrCode OH_AVPlayer_SetVolumeMode(OH_AVPlayer *player, OH_AudioStream_Volum
  */
 OH_AVErrCode OH_AVPlayer_SetLoudnessGain(OH_AVPlayer *player, float loudnessGain);
 
+/**
+ * @brief Set the media source of the player. The data of this media source is provided by the application.
+ * @param {OH_AVPlayer*} player Pointer to an OH_AVPlayer instance
+ * @param {OH_AVDataSourceExt*} datasrc Pointer to an OH_AVDataSourceExt instance
+ * @param {void*} userData The handle passed in by the user is used to pass in the callback
+ * @return Function result code.
+ *         {@link AV_ERR_OK} if the execution is successful.
+ *         {@link AV_ERR_INVALID_VAL} if input player is nullptr or player setFdSource failed.
+ * @since 21
+ */
+OH_AVErrCode OH_AVPlayer_SetDataSource(OH_AVPlayer *player, OH_AVDataSourceExt* datasrc, void* userData);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/multimedia/player_framework/avplayer/libavplayer.ndk.json b/multimedia/player_framework/avplayer/libavplayer.ndk.json
index 787c34354f8639f2322af6d64f98f0da6d114d96..2b372fe8fa02338d7c592711421201db13b19a9c 100644
--- a/multimedia/player_framework/avplayer/libavplayer.ndk.json
+++ b/multimedia/player_framework/avplayer/libavplayer.ndk.json
@@ -150,5 +150,9 @@
   {
     "first_introduced": "21",
     "name": "OH_AVPlayer_SetLoudnessGain"
+  },
+  {
+    "first_introduced": "21", 
+    "name": "OH_AVPlayer_SetDataSource"
   }
 ]
\ No newline at end of file