diff --git a/api/@ohos.multimedia.media.d.ts b/api/@ohos.multimedia.media.d.ts
index 54d94dab6c71cec42212e1888ce1a2992b574c6e..c33f70bef3721965f684172ae32d90933aa3329b 100755
--- a/api/@ohos.multimedia.media.d.ts
+++ b/api/@ohos.multimedia.media.d.ts
@@ -18,15 +18,13 @@ import { ErrorCallback, AsyncCallback, Callback } from './basic';
 /**
  * @name media
  * @since 6
- * @SysCap SystemCapability.Multimedia.Media
  * @import import media from '@ohos.multimedia.media'
- * @devices phone, tablet, tv, wearable
  */
 declare namespace media {
   /**
    * Creates an AudioPlayer instance.
    * @since 6
-   * @SysCap SystemCapability.Multimedia.Media
+   * @syscap SystemCapability.Multimedia.Media.AudioPlayer
    * @import import media from '@ohos.multimedia.media'
    * @return Returns an AudioPlayer instance if the operation is successful; returns null otherwise.
    */
@@ -35,124 +33,290 @@ declare namespace media {
   /**
    * Creates an AudioRecorder instance.
    * @since 6
-   * @SysCap SystemCapability.Multimedia.Media
+   * @syscap SystemCapability.Multimedia.Media.AudioRecorder
    * @import import media from '@ohos.multimedia.media'
    * @return Returns an AudioRecorder instance if the operation is successful; returns null otherwise.
    */
   function createAudioRecorder(): AudioRecorder;
 
+  /**
+   * Creates an VideoPlayer instance.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+   * @import import media from '@ohos.multimedia.media'
+   * @param callback Callback used to return AudioPlayer instance if the operation is successful; returns null otherwise.
+   */
+  function createVideoPlayer(callback: AsyncCallback<VideoPlayer>): void;
+  /**
+   * Creates an VideoPlayer instance.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+   * @import import media from '@ohos.multimedia.media'
+   * @return A Promise instance used to return VideoPlayer instance if the operation is successful; returns null otherwise.
+   */
+  function createVideoPlayer() : Promise<VideoPlayer>;
+
+  /**
+   * Creates an VideoRecorder instance.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+   * @import import media from '@ohos.multimedia.media'
+   * @param callback Callback used to return AudioPlayer instance if the operation is successful; returns null otherwise.
+   */
+  function createVideoRecorder(callback: AsyncCallback<VideoRecorder>): void;
+  /**
+   * Creates an VideoRecorder instance.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+   * @import import media from '@ohos.multimedia.media'
+   * @return A Promise instance used to return VideoRecorder instance if the operation is successful; returns null otherwise.
+   */
+  function createVideoRecorder(): Promise<VideoRecorder>;
+
+  /**
+   * Enumerates ErrorCode types, return in BusinessError::code
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.Core
+   * @import import media from '@ohos.multimedia.media'
+   */
+  enum MediaErrorCode {
+    /**
+     * operation success.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MSERR_OK = 0,
+
+    /**
+     * malloc or new memory failed. maybe system have no memory.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MSERR_NO_MEMORY = 1,
+
+    /**
+     * no permission for the operation.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MSERR_OPERATION_NOT_PERMIT = 2,
+
+    /**
+     * invalid argument.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MSERR_INVALID_VAL = 3,
+
+    /**
+     * an IO error occurred.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MSERR_IO = 4,
+
+    /**
+     * operation time out.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MSERR_TIMEOUT = 5,
+
+    /**
+     * unknown error.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MSERR_UNKNOWN = 6,
+
+    /**
+     * media service died.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MSERR_SERVICE_DIED = 7,
+
+    /**
+     * operation is not permit in current state.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MSERR_INVALID_STATE = 8,
+
+    /**
+     * operation is not supported in current version.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MSERR_UNSUPPORTED = 9,
+  }
+
+  /**
+   * Enumerates buffering info type, for network playback.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.Core
+   * @import import media from '@ohos.multimedia.media'
+   */
+  enum BufferingInfoType {
+    /**
+     * begin to buffering
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    BUFFERING_START = 1,
+
+    /**
+     * end to buffering
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    BUFFERING_END = 2,
+
+    /**
+     * buffering percent
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    BUFFERING_PERCENT = 3,
+
+    /**
+     * cached duration in milliseconds
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    CACHED_DURATION = 4,
+  }
+
   /**
    * Describes audio playback states.
+   * @since 6
+   * @syscap SystemCapability.Multimedia.Media.AudioPlayer
+   * @import import media from '@ohos.multimedia.media'
    */
-  type AudioState = 'idle' | 'playing' | 'paused' | 'stopped';
+  type AudioState = 'idle' | 'playing' | 'paused' | 'stopped' | 'error';
 
   /**
-   * Manages and plays audio. Before calling an AudioPlayer method, you must use createAudioPlayer() to create an AudioPlayer instance.
+   * Manages and plays audio. Before calling an AudioPlayer method, you must use createAudioPlayer()
+   * to create an AudioPlayer instance.
+   * @since 6
+   * @syscap SystemCapability.Multimedia.Media.AudioPlayer
    */
   interface AudioPlayer {
     /**
      * Starts audio playback.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
      */
     play(): void;
 
     /**
      * Pauses audio playback.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
      */
     pause(): void;
 
     /**
      * Stops audio playback.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
      */
     stop(): void;
 
     /**
      * Resets audio playback.
-     * @devices phone, tablet, tv, wearable
      * @since 7
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
      */
      reset(): void;
 
     /**
      * Jumps to the specified playback position.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
      * @param timeMs Playback position to jump
      */
     seek(timeMs: number): void;
 
     /**
      * Sets the volume.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
      * @param vol Relative volume. The value ranges from 0.00 to 1.00. The value 1 indicates the maximum volume (100%).
      */
     setVolume(vol: number): void;
 
     /**
      * Releases resources used for audio playback.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
      */
     release(): void;
+    /**
+    * get all track infos in MediaDescription, should be called after data loaded callback.
+    * @since 8
+    * @syscap SystemCapability.Multimedia.Media.AudioPlayer
+    * @param callback async callback return track info in MediaDescription.
+    */
+    getTrackDescription(callback: AsyncCallback<Array<MediaDescription>>): void;
+
+    /**
+    * get all track infos in MediaDescription, should be called after data loaded callback..
+    * @since 8
+    * @syscap SystemCapability.Multimedia.Media.AudioPlayer
+    * @param index  track index.
+    * @return A Promise instance used to return the track info in MediaDescription.
+    */
+    getTrackDescription() : Promise<Array<MediaDescription>>;
 
+    /**
+     * Listens for audio playback buffering events.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
+     * @param type Type of the playback buffering update event to listen for.
+     * @param callback Callback used to listen for the buffering update event, return BufferingInfoType and the value.
+     */
+    on(type: 'bufferingUpdate', callback: (infoType: BufferingInfoType, value: number) => void): void;
     /**
      * Audio media URI. Mainstream audio formats are supported.
-     * @devices phone, tablet, tv, wearable
+     * local:fd://XXX, file://XXX. network:http://xxx
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
      */
     src: string;
 
     /**
      * Whether to loop audio playback. The value true means to loop playback.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
      */
     loop: boolean;
 
     /**
      * Current playback position.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
      */
     readonly currentTime: number;
 
     /**
-     * Playback duration. When the data source does not support seek, it returns - 1, such as a live broadcast scenario.
-     * @devices phone, tablet, tv, wearable
+     * Playback duration, When the data source does not support seek, it returns - 1, such as a live broadcast scenario.
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
      */
     readonly duration: number;
 
     /**
      * Playback state.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
      */
     readonly state: AudioState;
 
     /**
      * Listens for audio playback events.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
      * @param type Type of the playback event to listen for.
      * @param callback Callback used to listen for the playback event.
      */
@@ -160,9 +324,8 @@ declare namespace media {
 
     /**
      * Listens for audio playback events.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
      * @param type Type of the playback event to listen for.
      * @param callback Callback used to listen for the playback event.
      */
@@ -170,9 +333,8 @@ declare namespace media {
 
     /**
      * Listens for playback error events.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioPlayer
      * @param type Type of the playback error event to listen for.
      * @param callback Callback used to listen for the playback error event.
      */
@@ -180,94 +342,107 @@ declare namespace media {
   }
 
   /**
-   * Enumerates audio encoding formats.
+   * Enumerates audio encoding formats, it will be deprecated after API8, use @CodecMimeType to replace.
    * @since 6
-   * @SysCap SystemCapability.Multimedia.Media
+   * @syscap SystemCapability.Multimedia.Media.AudioRecorder
    * @import import media from '@ohos.multimedia.media'
-   * @devices phone, tablet, tv, wearable
+   * @deprecated since 8
    */
   enum AudioEncoder {
     /**
      * Advanced Audio Coding Low Complexity (AAC-LC).
+     * @since 6
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      */
     AAC_LC = 3,
   }
 
   /**
-   * Enumerates audio output formats.
+   * Enumerates audio output formats, it will be deprecated after API8, use @ContainerFormatType to replace.
    * @since 6
-   * @SysCap SystemCapability.Multimedia.Media
+   * @syscap SystemCapability.Multimedia.Media.AudioRecorder
    * @import import media from '@ohos.multimedia.media'
-   * @devices phone, tablet, tv, wearable
+   * @deprecated since 8
    */
   enum AudioOutputFormat {
     /**
      * Indicates the Moving Picture Experts Group-4 (MPEG4) media format.
+     * @since 6
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      */
     MPEG_4 = 2,
 
     /**
      * Audio Data Transport Stream (ADTS), a transmission stream format of Advanced Audio Coding (AAC) audio.
+     * @since 6
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      */
     AAC_ADTS = 6
   }
 
+  /**
+   * Provides the geographical location definitions for media resources.
+   * @since 6
+   * @syscap SystemCapability.Multimedia.Media.Core
+   */
   interface Location {
     /**
      * Latitude.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.Core
      */
     latitude: number;
 
     /**
      * Longitude.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.Core
      */
     longitude: number;
   }
 
+  /**
+   * Provides the audio recorder configuration definitions.
+   * @since 6
+   * @syscap SystemCapability.Multimedia.Media.AudioRecorder
+   */
   interface AudioRecorderConfig {
     /**
-     * Audio encoding format. The default value is DEFAULT.
-     * @devices phone, tablet, tv, wearable
+     * Audio encoding format. The default value is DEFAULT, it will be deprecated after API8.
+     * use "audioEncoderMime" instead.
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
+     * @deprecated since 8
      */
     audioEncoder?: AudioEncoder;
 
     /**
      * Audio encoding bit rate.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      */
     audioEncodeBitRate?: number;
 
     /**
      * Audio sampling rate.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      */
     audioSampleRate?: number;
 
     /**
      * Number of audio channels.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      */
     numberOfChannels?: number;
 
     /**
-     * Audio output format. The default value is DEFAULT.
-     * @devices phone, tablet, tv, wearable
+     * Audio output format. The default value is DEFAULT, it will be deprecated after API8.
+     * it will be replaced with "fileFormat".
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
+     * @deprecated since 8
      */
     format?: AudioOutputFormat;
 
@@ -276,85 +451,95 @@ declare namespace media {
      * format like: scheme + "://" + "context".
      * file:  file://path
      * fd:    fd://fd
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      */
     uri: string;
 
     /**
      * Geographical location information.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      */
     location?: Location;
+
+    /**
+     * audio encoding format MIME. it used to replace audioEncoder.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
+     */
+    audioEncoderMime?: CodecMimeType;
+    /**
+     * output file format. see @ContainerFormatType , it used to replace "format".
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
+     */
+    fileFormat?: ContainerFormatType;
   }
 
+  /**
+   * Manages and record audio. Before calling an AudioRecorder method, you must use createAudioRecorder()
+   * to create an AudioRecorder instance.
+   * @since 6
+   * @syscap SystemCapability.Multimedia.Media.AudioRecorder
+   */
   interface AudioRecorder {
     /**
      * Prepares for recording.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      * @param config Recording parameters.
      */
     prepare(config: AudioRecorderConfig): void;
 
     /**
      * Starts audio recording.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      */
     start(): void;
 
     /**
      * Pauses audio recording.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      */
     pause(): void;
 
     /**
      * Resumes audio recording.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      */
     resume(): void;
 
     /**
      * Stops audio recording.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      */
     stop(): void;
 
     /**
      * Releases resources used for audio recording.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      */
     release(): void;
 
     /**
      * Resets audio recording.
-     * Before resetting audio recording, you must call stop() to stop recording. After audio recording is reset, you must call prepare() to set the recording configurations for another recording.
-     * @devices phone, tablet, tv, wearable
+     * Before resetting audio recording, you must call stop() to stop recording. After audio recording is reset,
+     * you must call prepare() to set the recording configurations for another recording.
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      */
     reset(): void;
 
     /**
      * Listens for audio recording events.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      * @param type Type of the audio recording event to listen for.
      * @param callback Callback used to listen for the audio recording event.
      */
@@ -362,14 +547,874 @@ declare namespace media {
 
     /**
      * Listens for audio recording error events.
-     * @devices phone, tablet, tv, wearable
      * @since 6
-     * @SysCap SystemCapability.Multimedia.Media
+     * @syscap SystemCapability.Multimedia.Media.AudioRecorder
      * @param type Type of the audio recording error event to listen for.
      * @param callback Callback used to listen for the audio recording error event.
      */
     on(type: 'error', callback: ErrorCallback): void;
   }
-}
 
-export default media;
\ No newline at end of file
+  /**
+  * Describes video recorder states.
+  * @since 8
+  * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+  */
+  type VideoRecordState = 'idle' | 'prepared' | 'playing' | 'paused' | 'stopped' | 'error';
+
+  /**
+   * Manages and record video. Before calling an VideoRecorder method, you must use createVideoRecorder()
+   * to create an VideoRecorder instance.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+   */
+  interface VideoRecorder {
+    /**
+     * Prepares for recording.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     * @param config Recording parameters.
+     * @param callback A callback instance used to return when prepare completed.
+     */
+    prepare(config: VideoRecorderConfig, callback: AsyncCallback<void>): void;
+    /**
+     * Prepares for recording.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     * @param config Recording parameters.
+     * @return A Promise instance used to return when prepare completed.
+     */
+    prepare(config: VideoRecorderConfig): Promise<void>;
+    /**
+     * get input surface.it must be called between prepare completed and start.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     * @param callback Callback used to return the input surface id in string.
+     */
+    getInputSurface(callback: AsyncCallback<string>): void;
+    /**
+     * get input surface. it must be called between prepare completed and start.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     * @return A Promise instance used to return the input surface id in string.
+     */
+    getInputSurface(): Promise<string>;
+    /**
+     * Starts video recording.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     * @param callback A callback instance used to return when start completed.
+     */
+    start(callback: AsyncCallback<void>): void;
+    /**
+     * Starts video recording.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     * @return A Promise instance used to return when start completed.
+     */
+    start(): Promise<void>;
+    /**
+     * Pauses video recording.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     * @param callback A callback instance used to return when pause completed.
+     */
+    pause(callback: AsyncCallback<void>): void;
+    /**
+     * Pauses video recording.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     * @return A Promise instance used to return when pause completed.
+     */
+    pause(): Promise<void>;
+    /**
+     * Resumes video recording.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     * @param callback A callback instance used to return when resume completed.
+     */
+    resume(callback: AsyncCallback<void>): void;
+    /**
+     * Resumes video recording.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     * @return A Promise instance used to return when resume completed.
+     */
+    resume(): Promise<void>;
+    /**
+     * Stops video recording.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     * @param callback A callback instance used to return when stop completed.
+     */
+    stop(callback: AsyncCallback<void>): void;
+    /**
+     * Stops video recording.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     * @return A Promise instance used to return when stop completed.
+     */
+    stop(): Promise<void>;
+    /**
+     * Releases resources used for video recording.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     * @param callback A callback instance used to return when release completed.
+     */
+    release(callback: AsyncCallback<void>): void;
+    /**
+      * Releases resources used for video recording.
+      * @since 8
+      * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+      * @return A Promise instance used to return when release completed.
+      */
+    release(): Promise<void>;
+    /**
+     * Resets video recording.
+     * Before resetting video recording, you must call stop() to stop recording. After video recording is reset,
+     * you must call prepare() to set the recording configurations for another recording.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     * @param callback A callback instance used to return when reset completed.
+     */
+    reset(callback: AsyncCallback<void>): void;
+     /**
+      * Resets video recording.
+      * Before resetting video recording, you must call stop() to stop recording. After video recording is reset,
+      * you must call prepare() to set the recording configurations for another recording.
+      * @since 8
+      * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+      * @return A Promise instance used to return when reset completed.
+      */
+    reset(): Promise<void>;
+    /**
+     * Listens for video recording error events.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     * @param type Type of the video recording error event to listen for.
+     * @param callback Callback used to listen for the video recording error event.
+     */
+    on(type: 'error', callback: ErrorCallback): void;
+
+    /**
+     * video recorder state.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+     readonly state: VideoRecordState;
+  }
+
+  /**
+   * Describes video playback states.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+   */
+  type VideoPlayState = 'idle' | 'prepared' | 'playing' | 'paused' | 'stopped' | 'error';
+
+  /**
+   * Enumerates playback speed.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+   */
+  enum PlaybackSpeed {
+    /**
+     * playback at 0.75x normal speed
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     */
+    SPEED_FORWARD_0_75_X = 0,
+    /**
+     * playback at normal speed
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     */
+    SPEED_FORWARD_1_00_X = 1,
+    /**
+     * playback at 1.25x normal speed
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     */
+    SPEED_FORWARD_1_25_X = 2,
+    /**
+     * playback at 1.75x normal speed
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     */
+    SPEED_FORWARD_1_75_X = 3,
+    /**
+     * playback at 2.0x normal speed
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     */
+    SPEED_FORWARD_2_00_X = 4,
+  }
+
+  /**
+   * Manages and plays video. Before calling an video method, you must use createVideoPlayer() to create an VideoPlayer
+   * instance.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+   * @import import media from '@ohos.multimedia.media'
+   */
+ interface VideoPlayer {
+    /**
+     * set display surface.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param surfaceId surface id, video player will use this id get a surface instance.
+     * @return A Promise instance used to return when release output buffer completed.
+     */
+    setDisplaySurface(surfaceId: string, callback: AsyncCallback<void>): void;
+    /**
+    * set display surface.
+    * @since 8
+    * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+    * @param surfaceId surface id, video player will use this id get a surface instance.
+    * @return A Promise instance used to return when release output buffer completed.
+    */
+    setDisplaySurface(surfaceId: string): Promise<void>;
+    /**
+     * prepare video playback, it will request resource for playing.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param callback A callback instance used to return when prepare completed.
+     */
+    prepare(callback: AsyncCallback<void>): void;
+     /**
+      * prepare video playback, it will request resource for playing.
+      * @since 8
+      * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+      * @return A Promise instance used to return when prepare completed.
+      */
+    prepare(): Promise<void>;
+    /**
+     * Starts video playback.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param callback A callback instance used to return when start completed.
+     */
+    play(callback: AsyncCallback<void>): void;
+     /**
+      * Starts video playback.
+      * @since 8
+      * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+      * @return A Promise instance used to return when start completed.
+      */
+    play(): Promise<void>;
+    /**
+     * Pauses video playback.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param callback A callback instance used to return when pause completed.
+     */
+    pause(callback: AsyncCallback<void>): void;
+     /**
+      * Pauses video playback.
+      * @since 8
+      * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+      * @return A Promise instance used to return when pause completed.
+      */
+    pause(): Promise<void>;
+    /**
+     * Stops video playback.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param callback A callback instance used to return when stop completed.
+     */
+    stop(callback: AsyncCallback<void>): void;
+     /**
+      * Stops video playback.
+      * @since 8
+      * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+      * @return A Promise instance used to return when stop completed.
+      */
+    stop(): Promise<void>;
+    /**
+     * Resets video playback, it will release the resource.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param callback A callback instance used to return when reset completed.
+     */
+    reset(callback: AsyncCallback<void>): void;
+     /**
+      * Resets video playback, it will release the resource.
+      * @since 8
+      * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+      * @return A Promise instance used to return when reset completed.
+      */
+    reset(): Promise<void>;
+    /**
+     * Jumps to the specified playback position by default SeekMode(SEEK_CLOSEST),
+     * the performance may be not the best.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param timeMs Playback position to jump
+     * @param callback A callback instance used to return when seek completed
+     * and return the seeking position result.
+     */
+    seek(timeMs: number, callback: AsyncCallback<number>): void;
+    /**
+     * Jumps to the specified playback position.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param timeMs Playback position to jump
+     * @param mode seek mode, see @SeekMode .
+     * @param callback A callback instance used to return when seek completed
+     * and return the seeking position result.
+     */
+     seek(timeMs: number, mode:SeekMode, callback: AsyncCallback<number>): void;
+     /**
+      * Jumps to the specified playback position.
+      * @since 8
+      * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+      * @param timeMs Playback position to jump
+      * @param mode seek mode, see @SeekMode .
+      * @return A Promise instance used to return when seek completed
+      * and return the seeking position result.
+      */
+    seek(timeMs: number, mode?:SeekMode): Promise<number>;
+    /**
+     * Sets the volume.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param vol Relative volume. The value ranges from 0.00 to 1.00. The value 1 indicates the maximum volume (100%).
+     * @param callback A callback instance used to return when set volume completed.
+     */
+    setVolume(vol: number, callback: AsyncCallback<void>): void;
+     /**
+      * Sets the volume.
+      * @since 8
+      * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+      * @param vol Relative volume. The value ranges from 0.00 to 1.00. The value 1 indicates the maximum volume (100%).
+      * @return A Promise instance used to return when set volume completed.
+      */
+    setVolume(vol: number): Promise<void>;
+    /**
+     * Releases resources used for video playback.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param callback A callback instance used to return when release completed.
+     */
+    release(callback: AsyncCallback<void>): void;
+     /**
+      * Releases resources used for video playback.
+      * @since 8
+      * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+      * @return A Promise instance used to return when release completed.
+      */
+    release(): Promise<void>;
+    /**
+    * get all track infos in MediaDescription, should be called after data loaded callback.
+    * @since 8
+    * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+    * @param callback async callback return track info in MediaDescription.
+    */
+    getTrackDescription(callback: AsyncCallback<Array<MediaDescription>>): void;
+
+    /**
+    * get all track infos in MediaDescription, should be called after data loaded callback..
+    * @since 8
+    * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+    * @param index  track index.
+    * @return A Promise instance used to return the track info in MediaDescription.
+    */
+    getTrackDescription() : Promise<Array<MediaDescription>>;
+
+    /**
+     * media url. Mainstream video formats are supported.
+     * local:fd://XXX, file://XXX. network:http://xxx
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     */
+    url: string;
+
+    /**
+     * Whether to loop video playback. The value true means to loop playback.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     */
+    loop: boolean;
+
+    /**
+     * Current playback position.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     */
+    readonly currentTime: number;
+
+    /**
+     * Playback duration, if -1 means cannot seek.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     */
+    readonly duration: number;
+
+    /**
+     * Playback state.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     */
+    readonly state: VideoPlayState;
+
+    /**
+     * video width, valid after prepared.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     */
+    readonly width: number;
+
+    /**
+     * video height, valid after prepared.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     */
+    readonly height: number;
+
+    /**
+     * set payback speed.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param speed playback speed, see @PlaybackSpeed .
+     * @param callback Callback used to return actually speed.
+     */
+    setSpeed(speed:number, callback: AsyncCallback<number>): void;
+    /**
+     * set output surface.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param speed playback speed, see @PlaybackSpeed .
+     * @return A Promise instance used to return actually speed.
+     */
+    setSpeed(speed:number): Promise<number>;
+
+    /**
+     * Listens for video playback completed events.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param type Type of the playback event to listen for.
+     * @param callback Callback used to listen for the playback event return .
+     */
+    on(type: 'playbackCompleted', callback: Callback<void>): void;
+
+    /**
+     * Listens for video playback buffering events.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param type Type of the playback buffering update event to listen for.
+     * @param callback Callback used to listen for the buffering update event, return BufferingInfoType and the value.
+     */
+    on(type: 'bufferingUpdate', callback: (infoType: BufferingInfoType, value: number) => void): void;
+
+    /**
+     * Listens for start render video frame events.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param type Type of the playback event to listen for.
+     * @param callback Callback used to listen for the playback event return .
+     */
+    on(type: 'startRenderFrame', callback: Callback<void>): void;
+
+    /**
+     * Listens for video size changed event.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param type Type of the playback event to listen for.
+     * @param callback Callback used to listen for the playback event return video size.
+     */
+    on(type: 'videoSizeChanged', callback: (width: number, height: number) => void): void;
+
+    /**
+     * Listens for playback error events.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoPlayer
+     * @param type Type of the playback error event to listen for.
+     * @param callback Callback used to listen for the playback error event.
+     */
+    on(type: 'error', callback: ErrorCallback): void;
+  }
+
+  /**
+   * Enumerates container format type(The abbreviation for 'container format type' is CFT).
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.Core
+   * @import import media from '@ohos.multimedia.media'
+   */
+  enum ContainerFormatType {
+    /**
+     * A video container format type mp4.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    CFT_MPEG_4 = "mp4",
+
+    /**
+     * A audio container format type m4a.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    CFT_MPEG_4A = "m4a",
+  }
+
+  /**
+   * Enumerates media data type.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.Core
+   * @import import media from '@ohos.multimedia.media'
+   */
+  enum MediaType {
+    /**
+     * track is audio.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MEDIA_TYPE_AUD = 0,
+    /**
+     * track is video.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MEDIA_TYPE_VID = 1,
+  }
+
+  /**
+   * Enumerates media description key.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.Core
+   * @import import media from '@ohos.multimedia.media'
+   */
+  enum MediaDescriptionKey {
+    /**
+     * key for track index, value type is number.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MD_KEY_TRACK_INDEX = "track_index",
+
+    /**
+     * key for track type, value type is number, see @MediaType.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MD_KEY_TRACK_TYPE = "track_type",
+
+    /**
+     * key for codec mime type, value type is string.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MD_KEY_CODEC_MIME = "codec_mime",
+
+    /**
+     * key for duration, value type is number.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MD_KEY_DURATION = "duration",
+
+    /**
+     * key for bitrate, value type is number.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MD_KEY_BITRATE = "bitrate",
+
+    /**
+     * key for video width, value type is number.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MD_KEY_WIDTH = "width",
+
+    /**
+     * key for video height, value type is number.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MD_KEY_HEIGHT = "height",
+
+    /**
+     * key for video frame rate, value type is number.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MD_KEY_FRAME_RATE = "frame_rate",
+
+    /**
+     * key for audio channel count, value type is number
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MD_KEY_AUD_CHANNEL_COUNT = "channel_count",
+
+    /**
+     * key for audio sample rate, value type is number
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    MD_KEY_AUD_SAMPLE_RATE = "sample_rate",
+  }
+
+  /**
+   * Provides the video recorder profile definitions.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+   */
+  interface VideoRecorderProfile {
+    /**
+     * Indicates the audio bit rate.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    readonly audioBitrate: number;
+
+    /**
+     * Indicates the number of audio channels.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    readonly audioChannels: number;
+
+    /**
+     * Indicates the audio encoding format.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    readonly audioCodec: CodecMimeType;
+
+    /**
+     * Indicates the audio sampling rate.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    readonly audioSampleRate: number;
+
+    /**
+     * Indicates the output file format.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    readonly fileFormat: ContainerFormatType;
+
+    /**
+     * Indicates the video bit rate.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    readonly videoBitrate: number;
+
+    /**
+     * Indicates the video encoding format.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    readonly videoCodec: CodecMimeType;
+
+    /**
+     * Indicates the video width.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    readonly videoFrameWidth: number;
+
+    /**
+     * Indicates the video height.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    readonly videoFrameHeight: number;
+
+    /**
+     * Indicates the video frame rate.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    readonly videoFrameRate: number;
+  }
+
+  /**
+   * Enumerates audio source type for recorder.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+   * @import import media from '@ohos.multimedia.media'
+   */
+  enum AudioSourceType {
+    /**
+     * default audio source type.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+    */
+    AUDIO_SOURCE_TYPE_DEFAULT = 0,
+    /**
+     * source type mic.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+    */
+    AUDIO_SOURCE_TYPE_MIC = 1,
+  }
+
+  /**
+   * Enumerates video source type for recorder.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+   * @import import media from '@ohos.multimedia.media'
+   */
+  enum VideoSourceType {
+    /**
+     * surface raw data.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    VIDEO_SOURCE_TYPE_SURFACE_YUV = 0,
+    /**
+     * surface ES data.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+    */
+    VIDEO_SOURCE_TYPE_SURFACE_ES = 1,
+  }
+
+  /**
+   * Provides the video recorder configuration definitions.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+   */
+  interface VideoRecorderConfig {
+    /**
+     * audio source type, details see @AudioSourceType .
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    audioSourceType: AudioSourceType;
+    /**
+     * video source type, details see @VideoSourceType .
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    videoSourceType: VideoSourceType;
+    /**
+     * video recorder profile, can get by "getVideoRecorderProfile", details see @VideoRecorderProfile .
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    profile:VideoRecorderProfile;
+    /**
+     * video output uri.support two kind of uri now.
+     * format like: scheme + "://" + "context".
+     * file:  file://path
+     * fd:    fd://fd
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    url: string;
+    /**
+     * Sets the video rotation angle in output file, and for the file to playback. mp4 support.
+     * the range of rotation angle should be {0, 90, 180, 270}, default is 0.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    rotation?: number;
+    /**
+     * geographical location information.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.VideoRecorder
+     */
+    location?: Location;
+  }
+
+  /**
+   * Provides the container definition for media description key-value pairs.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.Core
+   */
+  interface MediaDescription {
+    /**
+     * key:value pair, key see @MediaDescriptionKey .
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    [key : string]: Object;
+  }
+
+  /**
+   * Enumerates seek mode.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.Core
+   * @import import media from '@ohos.multimedia.media'
+   */
+  enum SeekMode {
+    /**
+     * seek to the next sync frame of the given timestamp
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    SEEK_NEXT_SYNC = 0,
+    /**
+     * seek to the previous sync frame of the given timestamp
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    SEEK_PREV_SYNC = 1,
+  }
+
+  /**
+   * Enumerates Codec MIME types.
+   * @since 8
+   * @syscap SystemCapability.Multimedia.Media.Core
+   * @import import media from '@ohos.multimedia.media'
+   */
+   enum CodecMimeType {
+    /**
+     * H.263 codec MIME type.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    VIDEO_H263 = 'video/h263',
+    /**
+     * H.264 codec MIME type.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    VIDEO_AVC = 'video/avc',
+    /**
+     * MPEG2 codec MIME type.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    VIDEO_MPEG2 = 'video/mpeg2',
+    /**
+     * MPEG4 codec MIME type
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    VIDEO_MPEG4 = 'video/mp4v-es',
+
+    /**
+     * VP8 codec MIME type
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    VIDEO_VP8 = 'video/x-vnd.on2.vp8',
+
+    /**
+     * AAC codec MIME type.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    AUDIO_AAC = 'audio/mp4a-latm',
+
+    /**
+     * vorbis codec MIME type.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    AUDIO_VORBIS = 'audio/vorbis',
+
+    /**
+     * flac codec MIME type.
+     * @since 8
+     * @syscap SystemCapability.Multimedia.Media.Core
+     */
+    AUDIO_FLAC = 'audio/flac',
+  }
+}
+export default media;