WPD_CONTENT_TYPE_AUDIO
An object that describes its type as WPD_CONTENT_TYPE_AUDIO represents an audio file, such as a Windows Media Audio (WMA) or MP3 file.
This type of object supports the following properties.
| Property Name | Required or Optional |
|---|---|
| WPD_OBJECT_ID | Required, read-only. A client cannot set this property, even at creation time. |
| WPD_OBJECT_PARENT_ID | Required. |
| WPD_OBJECT_NAME | Required if the object represents a file. |
| WPD_OBJECT_PERSISTENT_UNIQUE_ID | Required, read-only. A client cannot set this property, even at creation time. |
| WPD_OBJECT_FORMAT | Required. |
| WPD_OBJECT_CONTENT_TYPE | Required. |
| WPD_OBJECT_ISHIDDEN | Required if the object is hidden. |
| WPD_OBJECT_ISSYSTEM | Required if the object is a system object (represents a system file). |
| WPD_OBJECT_SIZE | Required if the object has at least one resource. |
| WPD_OBJECT_ORIGINAL_FILE_NAME | Required if the object represents a file. |
| WPD_OBJECT_NON_CONSUMABLE | Recommended if the object is not meant for consumption by the device. |
| WPD_OBJECT_REFERENCES | Required if the object has references to other objects. |
| WPD_OBJECT_KEYWORDS | Optional. |
| WPD_OBJECT_SYNC_ID | Optional. |
| WPD_OBJECT_IS_DRM_PROTECTED | Required if the object is protected by DRM technology. |
| WPD_OBJECT_DATE_CREATED | Optional. |
| WPD_OBJECT_DATE_MODIFIED | Recommended. |
| WPD_OBJECT_DATE_AUTHORED | Optional. |
| WPD_OBJECT_BACK_REFERENCES | Recommended if the object is referenced by another object. |
| WPD_OBJECT_CONTAINER_FUNCTIONAL_OBJECT_ID | Optional. |
| WPD_OBJECT_GENERATE_THUMBNAIL_FROM_RESOURCE | Optional. |
| WPD_OBJECT_CAN_DELETE | Required if the object can be deleted. |
| WPD_OBJECT_LANGUAGE_LOCALE | Optional. |
| WPD_MEDIA_TOTAL_BITRATE | Recommended. |
| WPD_MEDIA_BITRATE_TYPE | Optional. |
| WPD_MEDIA_COPYRIGHT | Optional. |
| WPD_MEDIA_SUBSCRIPTION_CONTENT_ID | Recommended if this object represents content from an online subscription service. |
| WPD_MEDIA_USE_COUNT | Recommended. |
| WPD_MEDIA_SKIP_COUNT | Optional. |
| WPD_MEDIA_LAST_ACCESSED_TIME | Optional. |
| WPD_MEDIA_PARENTAL_RATING | Optional. |
| WPD_MEDIA_META_GENRE | Optional. |
| WPD_MEDIA_COMPOSER | Optional. |
| WPD_MEDIA_EFFECTIVE_RATING | Optional. |
| WPD_MEDIA_SUB_TITLE | Optional. |
| WPD_MEDIA_RELEASE_DATE | Recommended. |
| WPD_MEDIA_SAMPLE_RATE | Optional. |
| WPD_MEDIA_STAR_RATING | Recommended. |
| WPD_MEDIA_USER_EFFECTIVE_RATING | Recommended. |
| WPD_MEDIA_TITLE | Required. |
| WPD_MEDIA_DURATION | Required. |
| WPD_MEDIA_BUY_NOW | Recommended. |
| WPD_MEDIA_ENCODING_PROFILE | Optional. |
| WPD_MEDIA_ARTIST | Recommended. |
| WPD_MEDIA_ALBUM_ARTIST | Recommended. |
| WPD_MEDIA_SOURCE_URL | Optional. |
| WPD_MEDIA_DESTINATION_URL | Optional. |
| WPD_MEDIA_DESCRIPTION | Optional. |
| WPD_MEDIA_GENRE | Optional. |
| WPD_MEDIA_TIME_BOOKMARK | Optional. |
| WPD_MEDIA_BYTE_BOOKMARK | Optional. |
| WPD_MEDIA_GUID | Optional. |
| WPD_MEDIA_SUB_DESCRIPTION | Optional. |
| WPD_MUSIC_ALBUM | Recommended. |
| WPD_MUSIC_TRACK | Recommended. |
| WPD_MUSIC_LYRICS | Optional. |
| WPD_MUSIC_MOOD | Optional. |
| WPD_AUDIO_BITRATE | Recommended. |
| WPD_AUDIO_CHANNEL_COUNT | Optional. |
| WPD_AUDIO_FORMAT_CODE | Optional. |
| WPD_AUDIO_BIT_DEPTH | Optional. |
| WPD_AUDIO_BLOCK_ALIGNMENT | Optional. |
Typical Resources
These objects typically include the following resources.
| Resource Name | Required or Optional | Description |
|---|---|---|
| WPD_RESOURCE_DEFAULT | Optional. | Contains the complete audio file. |
| WPD_RESOURCE_ALBUM_ART | Recommended, if available. | Contains the picture for the album. |
| WPD_RESOURCE_AUDIOCLIP | Optional. | Contains a sample clip of the complete audio file. |
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