diff --git a/multimedia/av_codec/native_avcodec_base.h b/multimedia/av_codec/native_avcodec_base.h
index ce92ddfee08b5c255f721d09c2c138713696c7a9..ecd5f4e401dc3e168f4b1b10cbedf08d6734cee1 100644
--- a/multimedia/av_codec/native_avcodec_base.h
+++ b/multimedia/av_codec/native_avcodec_base.h
@@ -196,6 +196,8 @@ typedef struct OH_AVCodecCallback {
  */
 typedef int32_t (*OH_AVDataSourceReadAt)(OH_AVBuffer *data, int32_t length, int64_t pos);
 
+typedef int32_t (*OH_AVDataSourceReadAtExt)(OH_AVBuffer *data, int32_t length, int64_t pos, void* userData);
+
 /**
  * @brief User customized data source.
  * @syscap SystemCapability.Multimedia.Media.CodecBase
@@ -212,6 +214,11 @@ typedef struct OH_AVDataSource {
     OH_AVDataSourceReadAt readAt;
 } OH_AVDataSource;
 
+typedef struct OH_AVDataSourceExt {
+    int64_t size;
+    OH_AVDataSourceReadAtExt readAt;
+} OH_AVDataSourceExt;
+
 /**
  * @brief Enumerates the mime types of video avc codec.
  *
diff --git a/multimedia/av_codec/native_avsource.h b/multimedia/av_codec/native_avsource.h
index f59fe1f2f4ff76e19c4901808f01da9841e8470b..6f700d74de33be5be2d709f62e8cbb93ac4d830c 100644
--- a/multimedia/av_codec/native_avsource.h
+++ b/multimedia/av_codec/native_avsource.h
@@ -68,6 +68,8 @@ typedef struct OH_AVSource OH_AVSource;
 */
 OH_AVSource *OH_AVSource_CreateWithDataSource(OH_AVDataSource *dataSource);
 
+OH_AVSource *OH_AVSource_CreateWithDataSourceExt(OH_AVDataSourceExt *dataSource, void* userData);
+
 /**
  * @brief Creates an OH_AVSource instance that models the media at the URI.
  * @syscap SystemCapability.Multimedia.Media.Spliter
diff --git a/multimedia/media_foundation/native_averrors.h b/multimedia/media_foundation/native_averrors.h
index 398a16f0fc334460d5a1d30647f198677c9def9a..a37f625a664cf86e2a2e65146cb96933444bd969 100644
--- a/multimedia/media_foundation/native_averrors.h
+++ b/multimedia/media_foundation/native_averrors.h
@@ -180,6 +180,11 @@ typedef enum OH_AVErrCode {
      * @since 14
      */
     AV_ERR_IO_UNSUPPORTED_REQUEST = 5411011,
+    /**
+     * @error clear text traffic not permitted.
+     * @since 16
+     */
+    AV_ERR_IO_CLEARTEXT_NOT_PERMITTED = 5411012,
 } OH_AVErrCode;
 
 #ifdef __cplusplus
diff --git a/multimedia/player_framework/avplayer.h b/multimedia/player_framework/avplayer.h
index 474b2885a2090ebfefdad3643fc87826bcc8f4c6..7411014336bad2fb0eb7d086ba7d58ffd14915fe 100644
--- a/multimedia/player_framework/avplayer.h
+++ b/multimedia/player_framework/avplayer.h
@@ -308,6 +308,8 @@ OH_AVErrCode OH_AVPlayer_GetVideoHeight(OH_AVPlayer *player, int32_t *videoHeigh
  */
 OH_AVErrCode OH_AVPlayer_SetPlaybackSpeed(OH_AVPlayer *player, AVPlaybackSpeed speed);
 
+OH_AVErrCode OH_AVPlayer_SetPlaybackRate(OH_AVPlayer *player, float rate);
+
 /**
  * @brief get the current player playback rate
  * @syscap SystemCapability.Multimedia.Media.AVPlayer
diff --git a/multimedia/player_framework/avplayer_base.h b/multimedia/player_framework/avplayer_base.h
index b351f5cdd3a9a58ed8184b4a4b9da3ab693b071e..85c41340001d3c4130981b853c258dafbdff04f9 100644
--- a/multimedia/player_framework/avplayer_base.h
+++ b/multimedia/player_framework/avplayer_base.h
@@ -191,6 +191,8 @@ typedef enum AVPlayerOnInfoType {
      * {@link OH_AVPlayerOnInfo} is the same as {@OH_AudioStream_DeviceChangeReason} in audio framework.
      */
     AV_INFO_TYPE_AUDIO_OUTPUT_DEVICE_CHANGE = 17,
+    /* return the message when set playback rate done */
+    AV_INFO_TYPE_PLAYBACK_RATE_DONE = 18;
 } AVPlayerOnInfoType;
 
 /**
@@ -356,6 +358,13 @@ extern const char* OH_PLAYER_MESSAGE_TYPE;
  */
 extern const char* OH_PLAYER_IS_LIVE_STREAM;
 
+/**
+ * @brief Key to get playback rate, value type is float.
+ * @syscap SystemCapability.Multimedia.Media.AVPlayer
+ * @since 18
+ */
+extern const char* OH_PLAYER_PLAYBACK_RATE;
+
 /**
  * @brief Called when a player message or alarm is received.
  * @syscap SystemCapability.Multimedia.Media.AVPlayer