Elenco attributi
[La funzionalità associata a questa pagina, Windows Media Format 11 SDK, è una funzionalità legacy. È stata sostituita da lettore di origine e writer sink. lettore di origine e sink writer sono stati ottimizzati per Windows 10 e Windows 11. Microsoft consiglia vivamente che il nuovo codice usi lettore di origine e writer sink invece di Windows Media Format 11 SDK, quando possibile. Microsoft suggerisce che il codice esistente che usa le API legacy venga riscritto per usare le nuove API, se possibile.
Gli attributi predefiniti inclusi in questo SDK vengono presentati alfabeticamente nella tabella seguente. Ogni attributo ha un nome, un identificatore globale e un tipo di dati come definito dal membro appropriato dell'enumerazione WMT_ATTR_DATATYPE. Alcuni attributi non usano un tipo di dati semplice o vengono formattati in base a una struttura. Le voci per questi attributi elencano un nome di struttura nella colonna di tipo dati con il tipo di dati usato per impostare il valore tra parentesi.
Nota
Per una tabella di tutti gli attributi correlati a DRM, vedere elenco di attributi DRM.
Quando si programmano con questi attributi, è consigliabile usare l'identificatore globale anziché usare il nome come valore letterale stringa. Usando l'identificatore globale, eventuali errori tipografici genereranno un errore in fase di compilazione.
| Nome attributo | Identificatore globale | Tipo di dati |
|---|---|---|
| ASFLeakyBucketPairs | g_wszASFLeakyBucketPairs | WMT_TYPE_BINARY |
| AspectRatioX | g_wszWMAspectRatioX | WMT_TYPE_DWORD |
| AspectRatioY | g_wszWMAspectRatioY | WMT_TYPE_DWORD |
| Author | g_wszWMAuthor | WMT_TYPE_STRING |
| AverageLevel | g_wszAverageLevel | WMT_TYPE_DWORD |
| BannerImageData | g_wszWMBannerImageData | WMT_TYPE_BINARY |
| BannerImageType | g_wszWMBannerImageType | WMT_TYPE_DWORD |
| BannerImageURL | g_wszWMBannerImageURL | WMT_TYPE_STRING |
| velocità in bit | g_wszWMBitrate | WMT_TYPE_DWORD |
| Broadcast | g_wszWMBroadcast | WMT_TYPE_BOOL |
| BufferAverage | g_wszBufferAverage | WMT_TYPE_DWORD |
| Can_Skip_Backward | g_wszWMSkipBackward | WMT_TYPE_BOOL |
| Can_Skip_Forward | g_wszWMSkipForward | WMT_TYPE_BOOL |
| copyright | g_wszWMCopyright | WMT_TYPE_STRING |
| CopyrightURL | g_wszWMCopyrightURL | WMT_TYPE_STRING |
| CurrentBitrate | g_wszWMCurrentBitrate | WMT_TYPE_DWORD |
| Descrizione | g_wszWMDescription | WMT_TYPE_STRING |
| DRM_ContentID | g_wszWMDRM_ContentID | WMT_TYPE_STRING |
| DRM_DRMHeader_ContentDistributor | g_wszWMDRM_DRMHeader_ContentDistributor | WMT_TYPE_STRING |
| DRM_DRMHeader_ContentID | g_wszWMDRM_DRMHeader_ContentID | WMT_TYPE_STRING |
| DRM_DRMHeader_IndividualizedVersion | g_wszWMDRM_DRMHeader_IndividualizedVersion | WMT_TYPE_STRING |
| DRM_DRMHeader_KeyID | g_wszWMDRM_DRMHeader_KeyID | WMT_TYPE_STRING |
| DRM_DRMHeader_LicenseAcqURL | g_wszWMDRM_DRMHeader_LicenseAcqURL | WMT_TYPE_STRING |
| DRM_DRMHeader_SubscriptionContentID | g_wszWMDRM_DRMHeader_SubscriptionContentID | WMT_TYPE_STRING |
| DRM_DRMHeader | g_wszWMDRM_DRMHeader | WMT_TYPE_STRING |
| DRM_IndividualizedVersion | g_wszWMDRM_IndividualizedVersion | WMT_TYPE_STRING |
| DRM_KeyID | g_wszWMDRM_KeyID | WMT_TYPE_STRING |
| DRM_LASignatureCert | g_wszWMDRM_LASignatureCert | WMT_TYPE_STRING |
| DRM_LASignatureLicSrvCert | g_wszWMDRM_LASignatureLicSrvCert | WMT_TYPE_STRING |
| DRM_LASignaturePrivKey | g_wszWMDRM_LASignaturePrivKey | WMT_TYPE_STRING |
| DRM_LASignatureRootCert | g_wszWMDRM_LASignatureRootCert | WMT_TYPE_STRING |
| DRM_LicenseAcqURL | g_wszWMDRM_LicenseAcqURL | WMT_TYPE_STRING |
| DRM_LicenseID | g_wszWMDRM_LicenseID | WMT_TYPE_STRING |
| DRM_SourceID | g_wszWMDRM_SourceID | WMT_TYPE_DWORD |
| DRM_V1LicenseAcqURL | g_wszWMDRM_V1LicenseAcqURL | WMT_TYPE_STRING |
| durata | g_wszWMDuration | WMT_TYPE_QWORD |
| FileSize | g_wszWMFileSize | WMT_TYPE_QWORD |
| HasArbitraryDataStream | g_wszWMHasArbitraryDataStream | WMT_TYPE_BOOL |
| HasAttachedImages | g_wszWMHasAttachedImages | WMT_TYPE_BOOL |
| HasAudio | g_wszWMHasAudio | WMT_TYPE_BOOL |
| HasFileTransferStream | g_wszWMHasFileTransferStream | WMT_TYPE_BOOL |
| HasImage | g_wszWMHasImage | WMT_TYPE_BOOL |
| HasScript | g_wszWMHasScript | WMT_TYPE_BOOL |
| HasVideo | g_wszWMHasVideo | WMT_TYPE_BOOL |
| Is_Protected | g_wszWMProtected | WMT_TYPE_BOOL |
| Is_Trusted | g_wszWMTrusted | WMT_TYPE_BOOL |
| ISAN | g_wszISAN | WMT_TYPE_STRING |
| IsVBR | g_wszWMIsVBR | WMT_TYPE_BOOL |
| NSC_Address | g_wszWMNSCAddress | WMT_TYPE_STRING |
| NSC_Description | g_wszWMNSCDescription | WMT_TYPE_STRING |
| NSC_Email | g_wszWMNSCEmail | WMT_TYPE_STRING |
| NSC_Name | g_wszWMNSCName | WMT_TYPE_STRING |
| NSC_Phone | g_wszWMNSCPhone | WMT_TYPE_STRING |
| NumberOfFrames | g_wszWMNumberOfFrames | WMT_TYPE_QWORD |
| OptimalBitrate | g_wszWMOptimalBitrate | WMT_TYPE_DWORD |
| PeakValue | g_wszPeakValue | WMT_TYPE_DWORD |
| rating | g_wszWMRating | WMT_TYPE_STRING |
| seekable | g_wszWMSeekable | WMT_TYPE_BOOL |
| Signature_Name | g_wszWMSignature_Name | WMT_TYPE_STRING |
| Stridable | g_wszWMStridable | WMT_TYPE_BOOL |
| titolo | g_wszWMTitle | WMT_TYPE_STRING |
| VBRPeak | g_wszVBRPeak | WMT_TYPE_DWORD |
| WM/AlbumArtist | g_wszWMAlbumArtist | WMT_TYPE_STRING |
| WM/AlbumCoverURL | g_wszWMAlbumCoverURL | WMT_TYPE_STRING |
| WM/AlbumTitle | g_wszWMAlbumTitle | WMT_TYPE_STRING |
| WM/ASFPacketCount | g_wszWMASFPacketCount | WMT_TYPE_QWORD |
| WM/ASFSecurityObjectsSize | g_wszWMASFSecurityObjectsSize | WMT_TYPE_QWORD |
| WM/AudioFileURL | g_wszWMAudioFileURL | WMT_TYPE_STRING |
| WM/AudioSourceURL | g_wszWMAudioSourceURL | WMT_TYPE_STRING |
| WM/AuthorURL | g_wszWMAuthorURL | WMT_TYPE_STRING |
| WM/BeatsPerMinute | g_wszWMBeatsPerMinute | WMT_TYPE_STRING |
| WM/Category | g_wszWMCategory | WMT_TYPE_STRING |
| WM/Codec | g_wszWMCodec | WMT_TYPE_STRING |
| WM/Composer | g_wszWMComposer | WMT_TYPE_STRING |
| WM/Conductor | g_wszWMConductor | WMT_TYPE_STRING |
| WM/ContainerFormat | g_wszWMContainerFormat | WMT_STORAGE_FORMAT (WMT_TYPE_BINARY) |
| WM/ContentDistributor | g_wszWMContentDistributor | WMT_TYPE_STRING |
| WM/ContentGroupDescription | g_wszWMContentGroupDescription | WMT_TYPE_STRING |
| WM/Director | g_wszWMDirector | WMT_TYPE_STRING |
| WM/DRM | g_wszWMDRM | WMT_TYPE_STRING |
| WM/DVDID | g_wszWMDVDID | WMT_TYPE_STRING |
| WM/EncodedBy | g_wszWMEncodedBy | WMT_TYPE_STRING |
| WM/EncodingSettings | g_wszWMEncodingSettings | WMT_TYPE_STRING |
| WM/EncodingTime | g_wszWMEncodingTime | FILETIME (WMT_TYPE_QWORD) |
| WM/Genre | g_wszWMGenre | WMT_TYPE_STRING |
| WM/GenreID | g_wszWMGenreID | WMT_TYPE_STRING |
| WM/InitialKey | g_wszWMInitialKey | WMT_TYPE_STRING |
| WM/ISRC | g_wszWMISRC | WMT_TYPE_STRING |
| WM/Language | g_wszWMLanguage | WMT_TYPE_STRING |
| WM/Lyrics | g_wszWMLyrics | WMT_TYPE_STRING |
| WM/Lyrics_Synchronised | g_wszWMLyrics_Synchronised | WM_SYNCHRONISED_LYRICS (WMT_TYPE_BINARY) |
| WM/MCDI | g_wszWMMCDI | WMT_TYPE_BINARY |
| WM/MediaClassPrimaryID | g_wszWMMediaClassPrimaryID | WMT_TYPE_GUID |
| WM/MediaClassSecondaryID | g_wszWMMediaClassSecondaryID | WMT_TYPE_GUID |
| WM/MediaCredits | g_wszWMMediaCredits | WMT_TYPE_STRING |
| WM/MediaIsDelay | g_wszWMMediaIsDelay | WMT_TYPE_BOOL |
| WM/MediaIsFinale | g_wszWMMediaIsFinale | WMT_TYPE_BOOL |
| WM/MediaIsLive | g_wszWMMediaIsLive | WMT_TYPE_BOOL |
| WM/MediaIsPremiere | g_wszWMMediaIsPremiere | WMT_TYPE_BOOL |
| WM/MediaIsRepeat | g_wszWMMediaIsRepeat | WMT_TYPE_BOOL |
| WM/MediaIsSAP | g_wszWMMediaIsSAP | WMT_TYPE_BOOL |
| WM/MediaIsStereo | g_wszWMMediaIsStereo | WMT_TYPE_BOOL |
| WM/MediaIsSubtitled | g_wszWMMediaIsSubtitled | WMT_TYPE_BOOL |
| WM/MediaIsTape | g_wszWMMediaIsTape | WMT_TYPE_BOOL |
| WM/MediaNetworkAffiliation | g_wszWMMediaNetworkAffiliation | WMT_TYPE_STRING |
| WM/MediaOriginalBroadcastDateTime | g_wszWMMediaOriginalBroadcastDateTime | WMT_TYPE_STRING |
| WM/MediaOriginalChannel | g_wszWMMediaOriginalChannel | WMT_TYPE_STRING |
| WM/MediaStationCallSign | g_wszWMMediaStationCallSign | WMT_TYPE_STRING |
| WM/MediaStationName | g_wszWMMediaStationName | WMT_TYPE_STRING |
| WM/ModifiedBy | g_wszWMModifiedBy | WMT_TYPE_STRING |
| WM/Mood | g_wszWMMood | WMT_TYPE_STRING |
| WM/OriginalAlbumTitle | g_wszWMOriginalAlbumTitle | WMT_TYPE_STRING |
| WM/OriginalArtist | g_wszWMOriginalArtist | WMT_TYPE_STRING |
| WM/OriginalFilename | g_wszWMOriginalFilename | WMT_TYPE_STRING |
| WM/OriginalLyricist | g_wszWMOriginalLyricist | WMT_TYPE_STRING |
| WM/OriginalReleaseTime | g_wszWMOriginalReleaseTime | WMT_TYPE_STRING |
| WM/OriginalReleaseYear | g_wszWMOriginalReleaseYear | WMT_TYPE_STRING |
| WM/ParentalRating | g_wszWMParentalRating | WMT_TYPE_STRING |
| WM/ParentalRatingReason | g_wszWMParentalRatingReason | WMT_TYPE_STRING |
| WM/PartOfSet | g_wszWMPartOfSet | WMT_TYPE_STRING |
| WM/PeakBitrate | g_wszWMPeakBitrate | WMT_TYPE_DWORD |
| WM/Period | g_wszWMPeriod | WMT_TYPE_STRING |
| WM/Picture | g_wszWMPicture | WM_PICTURE (WMT_TYPE_BINARY) |
| WM/PlaylistDelay | g_wszWMPlaylistDelay | WMT_TYPE_STRING |
| WM/Producer | g_wszWMProducer | WMT_TYPE_STRING |
| WM/PromotionURL | g_wszWMPromotionURL | WMT_TYPE_STRING |
| WM/ProtectionType | g_wszWMProtectionType | WMT_TYPE_STRING |
| WM/Provider | g_wszWMProvider | WMT_TYPE_STRING |
| WM/ProviderCopyright | g_wszWMProviderCopyright | WMT_TYPE_STRING |
| WM/ProviderRating | g_wszWMProviderRating | WMT_TYPE_STRING |
| WM/ProviderStyle | g_wszWMProviderStyle | WMT_TYPE_STRING |
| WM/Publisher | g_wszWMPublisher | WMT_TYPE_STRING |
| WM/RadioStationName | g_wszWMRadioStationName | WMT_TYPE_STRING |
| WM/RadioStationOwner | g_wszWMRadioStationOwner | WMT_TYPE_STRING |
| WM/SharedUserRating | g_wszWMSharedUserRating | WMT_TYPE_DWORD |
| WM/StreamTypeInfo | g_wszWMStreamTypeInfo | WM_STREAM_TYPE_INFO (WMT_TYPE_BINARY) |
| WM/SubscriptionContentID | g_wszWMSubscriptionContentID | WMT_TYPE_STRING |
| WM/SubTitle | g_wszWMSubTitle | WMT_TYPE_STRING |
| WM/SubTitleDescription | g_wszWMSubTitleDescription | WMT_TYPE_STRING |
| WM/Text | g_wszWMText | WM_USER_TEXT (WMT_TYPE_BINARY) |
| WM/ToolName | g_wszWMToolName | WMT_TYPE_STRING |
| WM/ToolVersion | g_wszWMToolVersion | WMT_TYPE_STRING |
| WM/Track | g_wszWMTrack | WMT_TYPE_STRING |
| WM/TrackNumber | g_wszWMTrackNumber | WMT_TYPE_STRING |
| WM/UniqueFileIdentifier | g_wszWMUniqueFileIdentifier | WMT_TYPE_STRING |
| WM/UserWebURL | g_wszWMUserWebURL | WM_USER_WEB_URL (WMT_TYPE_BINARY) |
| WM/VideoClosedCaptioning | g_wszWMVideoClosedCaptioning | WMT_TYPE_BOOL |
| WM/VideoFrameRate | g_wszWMVideoFrameRate | WMT_TYPE_DWORD |
| WM/VideoHeight | g_wszWMVideoHeight | WMT_TYPE_DWORD |
| WM/VideoWidth | g_wszWMVideoWidth | WMT_TYPE_DWORD |
| WM/WMADRCAverageReference | g_wszWMWMADRCAverageReference | WMT_TYPE_DWORD |
| WM/WMADRCAverageTarget | g_wszWMWMADRCAverageTarget | WMT_TYPE_DWORD |
| WM/WMADRCPeakReference | g_wszWMWMADRCPeakReference | WMT_TYPE_DWORD |
| WM/WMADRCPeakTarget | g_wszWMWMADRCPeakTarget | WMT_TYPE_DWORD |
| WM/WMCollectionGroupID | g_wszWMWMCollectionGroupID | WMT_TYPE_GUID |
| WM/WMCollectionID | g_wszWMWMCollectionID | WMT_TYPE_GUID |
| WM/WMContentID | g_wszWMWMContentID | WMT_TYPE_GUID |
| WM/WMShadowFileSourceDRMType | g_wszWMWMShadowFileSourceDRMType | WMT_TYPE_STRING |
| WMShadowFileSourceFileType | g_wszWMWMShadowFileSourceFileType | WMT_TYPE_STRING |
| WM/Writer | g_wszWMWriter | WMT_TYPE_STRING |
| WM/Year | g_wszWMYear | WMT_TYPE_STRING |
Le costanti seguenti vengono definite con gli attributi . Ognuno indica il numero di un tipo specifico di attributo. Non è necessario usare questi valori per qualsiasi elemento nelle applicazioni.
| Costante | Valore |
|---|---|
| g_dwWMSpecialAttributes | 20 |
| g_dwWMContentAttributes | 5 |
| g_dwWMNSCAttributes | 5 |