diff --git a/multimedia/player_framework/avplayer_base.h b/multimedia/player_framework/avplayer_base.h
index 1283b920441672bd4c75b2b2fe31de60c63b2668..bfea0c682dbd5bed3ab535624a773935df1c4ea8 100644
--- a/multimedia/player_framework/avplayer_base.h
+++ b/multimedia/player_framework/avplayer_base.h
@@ -102,6 +102,16 @@ typedef enum AVPlaybackSpeed {
     AV_SPEED_FORWARD_1_75_X,
     /* Video playback at 2.0x normal speed */
     AV_SPEED_FORWARD_2_00_X,
+    /**
+     * Video playback at 0.5x normal speed
+     * @since 12
+    */
+    AV_SPEED_FORWARD_0_50_X,
+    /**
+     * Video playback at 1.5x normal speed
+     * @since 12
+    */
+    AV_SPEED_FORWARD_1_50_X,
 } AVPlaybackSpeed;
 
 /**