Enums
NOTE
The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version.
ProtocolType11+
Enumerates the protocol types supported by the remote device.
System capability: SystemCapability.Multimedia.AVSession.AVCast
| Name | Value | Description |
|---|---|---|
| TYPE_LOCAL11+ | 0 | Local device, which can be the built-in speaker or audio jack of the device, or an A2DP device. Atomic service API: This API can be used in atomic services since API version 12. |
| TYPE_CAST_PLUS_STREAM11+ | 2 | Cast+ stream mode, indicating that the media asset is being displayed on another device. Atomic service API: This API can be used in atomic services since API version 12. |
| TYPE_DLNA12+ | 4 | DLNA protocol, indicating that the media asset is being displayed on another device. Atomic service API: This API can be used in atomic services since API version 12. |
| TYPE_CAST_PLUS_AUDIO20+ | 8 | PCM mode, indicating that the media asset is being displayed on another device. Atomic service API: This API can be used in atomic services since API version 20. |
CastDisplayState12+
Enumerates the states of the cast display.
Atomic service API: This API can be used in atomic services since API version 12.
System capability: SystemCapability.Multimedia.AVSession.ExtendedDisplayCast
| Name | Value | Description |
|---|---|---|
| STATE_OFF | 1 | The device is disconnected, and the extended screen does not display any content. |
| STATE_ON | 2 | The device is connected, and the extended screen is available. |
CallerType22+
Enumerates the types of sources for the caller.
System capability: SystemCapability.Multimedia.AVSession.Core
| Name | Value | Description |
|---|---|---|
| TYPE_CAST | "cast" | The caller comes from casting. |
| TYPE_BLUETOOTH | "bluetooth" | The caller comes from Bluetooth. |
| TYPE_APP | "app" | The caller comes from an application. |
| TYPE_NEARLINK | "nearlink" | The caller comes from NearLink. Model restriction: This API can be used only in the stage model. |
ConnectionState10+
Enumerates the connection states.
Atomic service API: This API can be used in atomic services since API version 12.
System capability: SystemCapability.Multimedia.AVSession.Core
| Name | Value | Description |
|---|---|---|
| STATE_CONNECTING | 0 | The device is connecting. |
| STATE_CONNECTED | 1 | The device is connected. |
| STATE_DISCONNECTED | 6 | The device is disconnected. |
CallState11+
Enumerates the call states.
Atomic service API: This API can be used in atomic services since API version 12.
System capability: SystemCapability.Multimedia.AVSession.Core
| Name | Value | Description |
|---|---|---|
| CALL_STATE_IDLE | 0 | The phone is idle. |
| CALL_STATE_INCOMING | 1 | The phone is ringing. |
| CALL_STATE_ACTIVE | 2 | The call is connected. |
| CALL_STATE_DIALING | 3 | The caller is dialing. |
| CALL_STATE_WAITING | 4 | The call is waiting for connection. |
| CALL_STATE_HOLDING | 5 | The call is placed on hold. |
| CALL_STATE_DISCONNECTING | 6 | The call is disconnecting. |
DisplayTag11+
Enumerates the display tags of the media asset. The display tag is a special type identifier of the media audio source.
System capability: SystemCapability.Multimedia.AVSession.Core
| Name | Value | Description |
|---|---|---|
| TAG_AUDIO_VIVID | 1 | AUDIO VIVID |
DecoderType19+
Enumerates the decoding formats supported by the device.
Atomic service API: This API can be used in atomic services since API version 19.
System capability: SystemCapability.Multimedia.AVSession.AVCast
| Name | Value | Description |
|---|---|---|
| OH_AVCODEC_MIMETYPE_VIDEO_AVC | "video/avc" | VIDEO AVC. |
| OH_AVCODEC_MIMETYPE_VIDEO_HEVC | "video/hevc" | VIDEO HEVC. |
| OH_AVCODEC_MIMETYPE_AUDIO_VIVID | "audio/av3a" | AUDIO AV3A. |
ResolutionLevel19+
Enumerates the resolution levels supported by the device.
Atomic service API: This API can be used in atomic services since API version 19.
System capability: SystemCapability.Multimedia.AVSession.AVCast
| Name | Value | Description |
|---|---|---|
| RESOLUTION_480P | 0 | 480p (640 x 480 dpi). |
| RESOLUTION_720P | 1 | 720p (1280 x 720 dpi). |
| RESOLUTION_1080P | 2 | 1080p (1920 x 1080 dpi). |
| RESOLUTION_2K | 3 | 2K (2560 x 1440 dpi). |
| RESOLUTION_4K | 4 | 4K (4096 x 3840 dpi). |
AVCastCategory10+
Enumerates the cast categories.
Atomic service API: This API can be used in atomic services since API version 12.
System capability: SystemCapability.Multimedia.AVSession.AVCast
| Name | Value | Description |
|---|---|---|
| CATEGORY_LOCAL | 0 | Local playback. The sound is played from the local device or a connected Bluetooth headset by default. |
| CATEGORY_REMOTE | 1 | Remote playback. The sound or images are played from a remote device. |
DeviceType10+
Enumerates the output device types.
Atomic service API: This API can be used in atomic services since API version 12.
| Name | Value | Description |
|---|---|---|
| DEVICE_TYPE_LOCAL | 0 | Local device. System capability: SystemCapability.Multimedia.AVSession.Core |
| DEVICE_TYPE_BLUETOOTH | 10 | Bluetooth device. System capability: SystemCapability.Multimedia.AVSession.Core |
| DEVICE_TYPE_TV | 2 | TV. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| DEVICE_TYPE_SMART_SPEAKER | 3 | Speaker. System capability: SystemCapability.Multimedia.AVSession.AVCast |
LoopMode10+
Enumerates the loop modes of media playback.
Atomic service API: This API can be used in atomic services since API version 12.
System capability: SystemCapability.Multimedia.AVSession.Core
| Name | Value | Description |
|---|---|---|
| LOOP_MODE_SEQUENCE | 0 | Sequential playback. |
| LOOP_MODE_SINGLE | 1 | Single loop. |
| LOOP_MODE_LIST | 2 | Playlist loop. |
| LOOP_MODE_SHUFFLE | 3 | Shuffle. |
| LOOP_MODE_CUSTOM11+ | 4 | Custom playback. |
PlaybackState10+
Enumerates the media playback states.
Atomic service API: This API can be used in atomic services since API version 12.
System capability: SystemCapability.Multimedia.AVSession.Core
| Name | Value | Description |
|---|---|---|
| PLAYBACK_STATE_INITIAL | 0 | Initial. |
| PLAYBACK_STATE_PREPARE | 1 | Preparing. |
| PLAYBACK_STATE_PLAY | 2 | Playing. |
| PLAYBACK_STATE_PAUSE | 3 | Paused. |
| PLAYBACK_STATE_FAST_FORWARD | 4 | Fast-forwarding. |
| PLAYBACK_STATE_REWIND | 5 | Rewinding. |
| PLAYBACK_STATE_STOP | 6 | Stopped. |
| PLAYBACK_STATE_COMPLETED | 7 | Playback complete. |
| PLAYBACK_STATE_RELEASED | 8 | Released. |
| PLAYBACK_STATE_ERROR | 9 | Error. |
| PLAYBACK_STATE_IDLE11+ | 10 | Idle. |
| PLAYBACK_STATE_BUFFERING11+ | 11 | Buffering. |
AVSessionErrorCode10+
Enumerates the error codes used in the media session.
| Name | Value | Description |
|---|---|---|
| ERR_CODE_SERVICE_EXCEPTION | 6600101 | The session server is abnormal. Atomic service API: This API can be used in atomic services since API version 12. System capability: SystemCapability.Multimedia.AVSession.Core |
| ERR_CODE_SESSION_NOT_EXIST | 6600102 | The session does not exist. Atomic service API: This API can be used in atomic services since API version 12. System capability: SystemCapability.Multimedia.AVSession.Core |
| ERR_CODE_CONTROLLER_NOT_EXIST | 6600103 | The session controller does not exist. Atomic service API: This API can be used in atomic services since API version 12. System capability: SystemCapability.Multimedia.AVSession.Core |
| ERR_CODE_REMOTE_CONNECTION_ERR | 6600104 | Connection to the remote session fails. Atomic service API: This API can be used in atomic services since API version 12. System capability: SystemCapability.Multimedia.AVSession.Core |
| ERR_CODE_COMMAND_INVALID | 6600105 | The session command is invalid. Atomic service API: This API can be used in atomic services since API version 12. System capability: SystemCapability.Multimedia.AVSession.Core |
| ERR_CODE_SESSION_INACTIVE | 6600106 | The session is not activated. Atomic service API: This API can be used in atomic services since API version 12. System capability: SystemCapability.Multimedia.AVSession.Core |
| ERR_CODE_MESSAGE_OVERLOAD | 6600107 | Too many commands or messages. Atomic service API: This API can be used in atomic services since API version 12. System capability: SystemCapability.Multimedia.AVSession.Core |
| ERR_CODE_DEVICE_CONNECTION_FAILED | 6600108 | Connection to the device fails. Atomic service API: This API can be used in atomic services since API version 12. System capability: SystemCapability.Multimedia.AVSession.Core |
| ERR_CODE_REMOTE_CONNECTION_NOT_EXIST | 6600109 | The remote session does not exist. Atomic service API: This API can be used in atomic services since API version 12. System capability: SystemCapability.Multimedia.AVSession.Core |
| ERR_CODE_CAST_CONTROL_UNSPECIFIED13+ | 6611000 | An undefined error occurs during cast control. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_REMOTE_ERROR13+ | 6611001 | An unknown error occurs in the remote player. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_BEHIND_LIVE_WINDOW13+ | 6611002 | The playback is delayed. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_TIMEOUT13+ | 6611003 | The cast control process times out. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_RUNTIME_CHECK_FAILED13+ | 6611004 | The runtime check fails. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_PLAYER_NOT_WORKING13+ | 6611100 | Cross-device data transfer is locked. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_SEEK_MODE_UNSUPPORTED13+ | 6611101 | The specified seek mode is not supported. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_ILLEGAL_SEEK_TARGET13+ | 6611102 | The seek position is out of the media range, or the current seek mode is not supported. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_PLAY_MODE_UNSUPPORTED13+ | 6611103 | The specified playback mode is not supported. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_PLAY_SPEED_UNSUPPORTED13+ | 6611104 | The specified playback speed is not supported. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DEVICE_MISSING13+ | 6611105 | Operation failed because the media source device or media receiver device has been destroyed. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_INVALID_PARAM13+ | 6611106 | The parameter is invalid. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_NO_MEMORY13+ | 6611107 | Failed to allocate memory. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_OPERATION_NOT_ALLOWED13+ | 6611108 | The operation is not allowed. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_UNSPECIFIED13+ | 6612000 | An unspecified input/output error occurs. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_NETWORK_CONNECTION_FAILED13+ | 6612001 | Network connection fails. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_NETWORK_CONNECTION_TIMEOUT13+ | 6612002 | Network connection times out. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_INVALID_HTTP_CONTENT_TYPE 13+ | 6612003 | The value of Content-Type is invalid. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_BAD_HTTP_STATUS13+ | 6612004 | The HTTP server returns an unexpected HTTP response status code. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_FILE_NOT_FOUND13+ | 6612005 | The file does not exist. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_NO_PERMISSION13+ | 6612006 | The input/output operation is not allowed. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_CLEARTEXT_NOT_PERMITTED13+ | 6612007 | The network security configuration of the application does not allow access to plaintext HTTP traffic. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_READ_POSITION_OUT_OF_RANGE13+ | 6612008 | Data is read from data binding. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_NO_CONTENTS13+ | 6612100 | No content can be played in the media. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_READ_ERROR13+ | 6612101 | The media cannot be read. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_CONTENT_BUSY13+ | 6612102 | The resource is in use. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_CONTENT_EXPIRED13+ | 6612103 | The input/output request content has expired. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_USE_FORBIDDEN13+ | 6612104 | The requested content cannot be played. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_NOT_VERIFIED13+ | 6612105 | The allowed content cannot be verified. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_EXHAUSTED_ALLOWED_USES13+ | 6612106 | The number of times that the content can be used has reached the maximum. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_IO_NETWORK_PACKET_SENDING_FAILED13+ | 6612107 | An error occurs when the source device sends data packets to the destination device. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_PARSING_UNSPECIFIED13+ | 6613000 | An unspecified content parsing error occurs. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_PARSING_CONTAINER_MALFORMED13+ | 6613001 | The format of the media container bit stream is incorrectly parsed. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_PARSING_MANIFEST_MALFORMED13+ | 6613002 | An error occurred when parsing the media list. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_PARSING_CONTAINER_UNSUPPORTED13+ | 6613003 | The media container format or feature of the file is not supported. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_PARSING_MANIFEST_UNSUPPORTED13+ | 6613004 | The feature is not supported in the media list. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DECODING_UNSPECIFIED13+ | 6614000 | An unspecified decoding error occurs. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DECODING_INIT_FAILED13+ | 6614001 | Initializing the decoder fails. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DECODING_QUERY_FAILED13+ | 6614002 | Querying the decoder fails. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DECODING_FAILED13+ | 6614003 | Decoding the media sample fails. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DECODING_FORMAT_EXCEEDS_CAPABILITIES13+ | 6614004 | The device cannot decode the current format. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DECODING_FORMAT_UNSUPPORTED13+ | 6614005 | The decoding format is not supported. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_AUDIO_RENDERER_UNSPECIFIED13+ | 6615000 | An unspecified audio renderer error occurs. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_AUDIO_RENDERER_INIT_FAILED 13+ | 6615001 | Initializing the audio renderer fails. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_AUDIO_RENDERER_WRITE_FAILED13+ | 6615002 | Writing data to the audio renderer fails. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DRM_UNSPECIFIED13+ | 6616000 | An unspecified DRM-related error occurs. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DRM_SCHEME_UNSUPPORTED13+ | 6616001 | The device does not support the selected DRM scheme. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DRM_PROVISIONING_FAILED13+ | 6616002 | Device configurations fail. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DRM_CONTENT_ERROR13+ | 6616003 | The DRM-protected content cannot be played. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DRM_LICENSE_ACQUISITION_FAILED13+ | 6616004 | Obtaining a license fails. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DRM_DISALLOWED_OPERATION13+ | 6616005 | The license policy does not allow this operation. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DRM_SYSTEM_ERROR13+ | 6616006 | An error occurs in the DRM system. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DRM_DEVICE_REVOKED13+ | 6616007 | The DRM permission has been revoked from the device. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DRM_LICENSE_EXPIRED13+ | 6616008 | The DRM license that is being loaded has expired. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
| ERR_CODE_CAST_CONTROL_DRM_PROVIDE_KEY_RESPONSE_ERROR13+ | 6616100 | An error occurs when the DRM processes the key response. Atomic service API: This API can be used in atomic services since API version 13. System capability: SystemCapability.Multimedia.AVSession.AVCast |
SkipIntervals11+
Enumerates the fast-forward or rewind intervals supported by the media session.
System capability: SystemCapability.Multimedia.AVSession.Core
| Name | Value | Description |
|---|---|---|
| SECONDS_10 | 10 | The time is 10 seconds. |
| SECONDS_15 | 15 | The time is 15 seconds. |
| SECONDS_30 | 30 | The time is 30 seconds. |
你可能感兴趣的鸿蒙文章
openharmony 鸿蒙 arkts-apis-avsession
openharmony 鸿蒙 capi-native-avsession-h
openharmony 鸿蒙 errorcode-avsession
openharmony 鸿蒙 js-apis-inner-application-MediaControlExtensionContext-sys
openharmony 鸿蒙 arkts-apis-avsession-AVSession
openharmony 鸿蒙 ohos-multimedia-avcastpicker
openharmony 鸿蒙 arkts-apis-avsession-AVCastController
openharmony 鸿蒙 arkts-apis-avsession-AVCastPickerHelper