diff --git a/multimedia/av_codec/native_avcodec_base.h b/multimedia/av_codec/native_avcodec_base.h
index cdaeeed5529c5e8ba9e60ece0735468ee59ed099..69fcc92f0b810e63cdb54c21674ae86f6199c308 100644
--- a/multimedia/av_codec/native_avcodec_base.h
+++ b/multimedia/av_codec/native_avcodec_base.h
@@ -940,6 +940,13 @@ extern const char *OH_MD_KEY_VIDEO_SAR;
  * @since 12
  */
 extern const char *OH_MD_KEY_START_TIME;
+/**
+ * @brief Key for start time of track, value type is int64_t.
+ *
+ * @syscap SystemCapability.Multimedia.Media.CodecBase
+ * @since 12
+ */
+extern const char *OH_MD_KEY_TRACK_START_TIME;
 
 /**
  * @brief Media type.
diff --git a/multimedia/media_foundation/native_averrors.h b/multimedia/media_foundation/native_averrors.h
index cffaba60e2f486611b86ed432608f60f6879c548..a1dd558751d73f408559175b59ff1729b0ab802f 100644
--- a/multimedia/media_foundation/native_averrors.h
+++ b/multimedia/media_foundation/native_averrors.h
@@ -78,6 +78,11 @@ typedef enum OH_AVErrCode {
      * @error unsupport interface.
      */
     AV_ERR_UNSUPPORT = 9,
+    /**
+     * @error input data error.
+     * @since 12
+     */
+    AV_ERR_INPUT_DATA_ERROR = 10,
     /**
      * @error extend err start.
      */