ZegoCopyrightedMusic

2026-03-13

ZegoCopyrightedMusic

Declared in ZegoExpressDefines.h

Methods

setEventHandler:

- (void)setEventHandler:(nullable id<ZegoCopyrightedMusicEventHandler>) handler;

set copyrighted music event handler.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
handler	nullable id<ZegoCopyrightedMusicEventHandler>	The object used to receive copyrighted music callbacks.

Details

Set the callback function of the copyrighted music module, which can receive callback notifications related to song playback status .

When to call: After create the copyrighted music [createCopyrightedMusic].

Available since: 2.13.0

initCopyrightedMusic:callback:

- (void)initCopyrightedMusic:(ZegoCopyrightedMusicConfig *) config callback:(nullable ZegoCopyrightedMusicInitCallback) callback;

Initialize the copyrighted music module.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
config	ZegoCopyrightedMusicConfig *	the copyrighted music configuration.
callback	nullable ZegoCopyrightedMusicInitCallback	init result

Details

Initialize the copyrighted music so that you can use the function of the copyrighted music later.

When to call: After call [createCopyrightedMusic] and [loginRoom].
Caution: 1. The real user information must be passed in, otherwise the song resources cannot be obtained for playback. 2. The user ID set when initializing copyrighted music needs to be the same as the user ID set when logging in to the room.

Available since: 2.13.0

getCacheSize

- (unsigned long long)getCacheSize;

Get cache size.

Declared in ZegoExpressDefines.h

When using this module, some cache files may be generated, and the size of the cache file can be obtained through this interface. Use case: Used to display the cache size of the App.

When to call: After initializing the copyrighted music [createCopyrightedMusic].

Available since: 2.13.0

cache file size, in byte.

clearCache

- (void)clearCache;

Clear cache.

Declared in ZegoExpressDefines.h

When using this module, some cache files may be generated, which can be cleared through this interface. Use case: Used to clear the cache of the App.

When to call: After initializing the copyrighted music [createCopyrightedMusic].

Available since: 2.13.0

sendExtendedRequest:params:callback:

- (void)sendExtendedRequest:(NSString *) command params:(NSString *) params callback:(nullable ZegoCopyrightedMusicSendExtendedRequestCallback) callback;

Send extended feature request.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
command	NSString *	request command, details about the commands supported.
params	NSString *	request parameters, each request command has corresponding request parameters.
callback	nullable ZegoCopyrightedMusicSendExtendedRequestCallback	send extended feature request result

Details

Initialize the copyrighted music so that you can use the function of the copyrighted music later. Use case: Used to get a list of songs.

When to call: After initializing the copyrighted music success [initCopyrightedMusic].

Available since: 2.13.0

getLrcLyric:vendorID:callback:

- (void)getLrcLyric:(NSString *) songID vendorID:(ZegoCopyrightedMusicVendorID) vendorID callback:(nullable ZegoCopyrightedMusicGetLrcLyricCallback) callback;

Get lyrics in lrc format.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
songID	NSString *	the ID of the song or accompaniment, the song and accompaniment of a song share the same ID.
vendorID	ZegoCopyrightedMusicVendorID	Copyright music resource song copyright provider.
callback	nullable ZegoCopyrightedMusicGetLrcLyricCallback	get lyrics result

Details

Get lyrics in lrc format, support parsing lyrics line by line. Use case: Used to display lyrics line by line.

When to call: After initializing the copyrighted music success [initCopyrightedMusic].

Available since: 3.2.1

getLrcLyricWithConfig:callback:

- (void)getLrcLyricWithConfig:(ZegoCopyrightedMusicGetLyricConfig *) config callback:(nullable ZegoCopyrightedMusicGetLrcLyricCallback) callback;

Get lyrics in lrc format.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
config	ZegoCopyrightedMusicGetLyricConfig *	The configuration of get lyric.
callback	nullable ZegoCopyrightedMusicGetLrcLyricCallback	get lyrics result

Details

Get lyrics in lrc format, support parsing lyrics line by line. Use case: Used to display lyrics line by line.

When to call: After initializing the copyrighted music success [initCopyrightedMusic].

Available since: 3.12.0

getKrcLyricByToken:callback:

- (void)getKrcLyricByToken:(NSString *) krcToken callback:(nullable ZegoCopyrightedMusicGetKrcLyricByTokenCallback) callback;

Get lyrics in krc format.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
krcToken	NSString *	The krcToken obtained when calling [requestResource] for accompaniment or climax clips, or when obtaining shared resources through the [getSharedResource] interface. For more details, please refer to /online-ktv-ios/client-api/apis-to-obtain-songs-and-lyrics#2_2
callback	nullable ZegoCopyrightedMusicGetKrcLyricByTokenCallback	get lyrics result.

Details

Get verbatim lyrics, support parsing lyrics word by word. Use case: Used to display lyrics word by word.

When to call: After initializing the copyrighted music success [initCopyrightedMusic].

Available since: 2.13.0

requestResource:type:callback:

- (void)requestResource:(ZegoCopyrightedMusicRequestConfig *) config type:(ZegoCopyrightedMusicResourceType) type callback:(nullable ZegoCopyrightedMusicRequestResourceCallback) callback;

Request music resource.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
config	ZegoCopyrightedMusicRequestConfig *	The configuration of requesting music resource.
type	ZegoCopyrightedMusicResourceType	The resource type of music.
callback	nullable ZegoCopyrightedMusicRequestResourceCallback	Callback of requesting music resource.

Details

In addition to obtaining the basic information of the song (duration, song name, singer, etc.), and the most important resource id that can be used for local playback, there are also some related authentications information. Use case: Get copyrighted songs for local playback and sharing.

Related APIs: After a user in the room successfully calls this interface to request a music resource, other users in the room can call the [getsharedresource] interface to get the music resource for free once.
When to call: After initializing the copyrighted music [initCopyrightedMusic].
1. Each resource has a unique resource ID.
2. Every time this API is called, it will be billed once, please consult ZEGO business personnel for details.
3. Each resource has a unique resource ID. The resources obtained by calling this API are time-sensitive, the valid duration is the minimum value between the SDK life cycle and 24-hour.

Available since: 3.0.2

requestResource:callback:

- (void)requestResource:(ZegoCopyrightedMusicRequestConfigV2 *) config callback:(nullable ZegoCopyrightedMusicRequestResourceCallback) callback;

Request music resource.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
config	ZegoCopyrightedMusicRequestConfigV2 *	The configuration of requesting music resource.
callback	nullable ZegoCopyrightedMusicRequestResourceCallback	Callback of requesting music resource.

Details

Related APIs: After a user in the room successfully calls this interface to request a music resource, other users in the room can call the [getsharedresource] interface to get the music resource for free once.
When to call: After initializing the copyrighted music [initCopyrightedMusic].
1. Each resource has a unique resource ID.
2. Every time this API is called, it will be billed once, please consult ZEGO business personnel for details.
3. Each resource has a unique resource ID. The resources obtained by calling this API are time-sensitive, the valid duration is the minimum value between the SDK life cycle and 24-hour.

Available since: 3.12.0

getSharedResource:type:callback:

- (void)getSharedResource:(ZegoCopyrightedMusicGetSharedConfig *) config type:(ZegoCopyrightedMusicResourceType) type callback:(nullable ZegoCopyrightedMusicGetSharedResourceCallback) callback;

Get shared music resource.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
config	ZegoCopyrightedMusicGetSharedConfig *	The configuration of getting shared music resource.
type	ZegoCopyrightedMusicResourceType	The resource type of music.
callback	nullable ZegoCopyrightedMusicGetSharedResourceCallback	Callback of getting shared music resource.

Details

Related APIs: After a user in the room calls the [requestresource] interface to request a music resource successfully, other users in the room can call this interface to get the music resource for free once.
When to call: After initializing the copyrighted music [initCopyrightedMusic]. Each resource has a unique resource ID. The resources obtained by calling this API are time-sensitive, the valid duration is the minimum value between the SDK life cycle and 24-hour.

Available since: 3.0.2

getSharedResource:callback:

- (void)getSharedResource:(ZegoCopyrightedMusicGetSharedConfigV2 *) config callback:(nullable ZegoCopyrightedMusicGetSharedResourceCallback) callback;

Get shared music resource.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
config	ZegoCopyrightedMusicGetSharedConfigV2 *	The configuration of getting shared music resource.
callback	nullable ZegoCopyrightedMusicGetSharedResourceCallback	Callback of getting shared music resource.

Details

Related APIs: After a user in the room calls the [requestresource] interface to request a music resource successfully, other users in the room can call this interface to get the music resource for free once.
When to call: After initializing the copyrighted music [initCopyrightedMusic]. Each resource has a unique resource ID. The resources obtained by calling this API are time-sensitive, the valid duration is the minimum value between the SDK life cycle and 24-hour.

Available since: 3.12.0

download:callback:

- (void)download:(NSString *) resourceID callback:(nullable ZegoCopyrightedMusicDownloadCallback) callback;

Download music resource.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
resourceID	NSString *	the resource ID corresponding to the song or accompaniment.
callback	nullable ZegoCopyrightedMusicDownloadCallback	download song or accompaniment result.

Details

Download music resource. It can only be played after downloading successfully. Use case: After obtaining the music resource authorization, use this interface to download the corresponding resources.

When to call: After initializing the copyrighted music success [initCopyrightedMusic].
Caution: Downloading copyrighted music resources is affected by the Internet.

Available since: 2.13.0

cancelDownload:

- (void)cancelDownload:(NSString *) resourceID;

Cancel download of music resource.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
resourceID	NSString *	the resource ID corresponding to the song or accompaniment.

Details

Cancel download of music resource. Use case: After starting to download music resources, use this interface to cancel the corresponding download task.

When to call: After starting the download [download].
Caution: When a valid resourceID is passed in, only unfinished download tasks will be cancelled. When empty is passed in, all unfinished download tasks will be canceled.

Available since: 3.11.0

queryCache:

- (BOOL)queryCache:(ZegoCopyrightedMusicQueryCacheConfig *) config;

Query the resource's cache is existed or not.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
config	ZegoCopyrightedMusicQueryCacheConfig *	The configuration of querying cache.

Details

Query the resource is existed or not, query the Yinsuda resource cache by default Use case: Can be used to check the resource's cache is existed or not

When to call: After initializing the copyrighted music success [initCopyrightedMusic].

Available since: 3.9.0

queryCacheV2:

- (BOOL)queryCacheV2:(ZegoCopyrightedMusicQueryCacheConfigV2 *) config;

Query the resource's cache is existed or not.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
config	ZegoCopyrightedMusicQueryCacheConfigV2 *	The configuration of querying cache.

Details

Query the resource is existed or not, query the Yinsuda resource cache by default Use case: Can be used to check the resource's cache is existed or not

When to call: After initializing the copyrighted music success [initCopyrightedMusic].

Available since: 3.12.0

getDuration:

- (unsigned long long)getDuration:(NSString *) resourceID;

Get the playing time of a song or accompaniment file.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
resourceID	NSString *	the resource ID corresponding to the song or accompaniment.

Details

Get the playing time of a song or accompaniment file. Use case: Can be used to display the playing time information of the song or accompaniment on the view.

When to call: After initializing the copyrighted music success [initCopyrightedMusic].

Available since: 2.13.0

setScoringLevel:

- (void)setScoringLevel:(int) level;

Set the difficulty level of scoring.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
level	int	The difficulty level of scoring. The level ranges from 0 to 4. The scoring difficulty decreases from 0 to 4.

Details

Users can set the scoring difficulty level through this function.

When to call: After calling [initCopyrightedMusic] to initialize copyrighted music successfully, call [startScore] to start scoring.
Default value: When this function is not called, the difficulty level of scoring is 4.

Available since: 2.22.0
Restrictions: This function does not support dynamic settings. After calling this function successfully, the next call to [startScore] will take effect.

startScore:pitchValueInterval:

- (int)startScore:(NSString *) resourceID pitchValueInterval:(int) pitchValueInterval;

Start scoring.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
resourceID	NSString *	the resource ID corresponding to the accompaniment or accompaniment clip.
pitchValueInterval	int	the time interval of real-time pitch line callback, in milliseconds, the default is 50 milliseconds.

Details

Start the scoring function.After starting scoring, the scoring result OnCurrentPitchValueUpdate callback will be received according to the set callback time interval. Use case: Can be used to display the singing score on the view.

When to call: After obtaining verbatim lyrics and playing the accompaniment resources of copyrighted music.

Available since: 2.15.0
Restrictions: Only support use this api after [startPublishingStream].

pauseScore:

- (int)pauseScore:(NSString *) resourceID;

Pause scoring.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
resourceID	NSString *	the resource ID corresponding to the accompaniment or accompaniment clip.

Details

Pause ongoing scoring,will stop the [OnCurrentPitchValueUpdate] callback. Use case: You can call this interface to pause the scoring function while scoring.

When to call: It can be called while grading.

Available since: 2.15.0

resumeScore:

- (int)resumeScore:(NSString *) resourceID;

Resume scoring.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
resourceID	NSString *	the resource ID corresponding to the accompaniment or accompaniment clip.

Details

Resume currently paused scoring. Use case: When there is currently paused scoring, this interface can be called to resume the scoring function.

When to call: It can be called when there is currently a paused scoring.

Available since: 2.15.0

stopScore:

- (int)stopScore:(NSString *) resourceID;

Stop scoring.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
resourceID	NSString *	the resource ID corresponding to the accompaniment or accompaniment clip.

Details

End the current rating.The [OnCurrentPitchValueUpdate] callback will be stopped, but the average or total score can still be obtained normally. Use case: You can call this interface to end the scoring while scoring.

When to call: It can be called while grading.

Available since: 2.15.0

resetScore:

- (int)resetScore:(NSString *) resourceID;

Reset scoring.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
resourceID	NSString *	the resource ID corresponding to the accompaniment or accompaniment clip.

Details

Reset the scores that have already been performed,The [OnCurrentPitchValueUpdate] callback will be stopped and the average or total score will be 0. Use case: Often used in scenes where the same song is re-sung.

When to call: It can be called after scoring has been performed.

Available since: 2.15.0

getPreviousScore:

- (int)getPreviousScore:(NSString *) resourceID;

Get the score of the previous sentence.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
resourceID	NSString *	the resource ID corresponding to the accompaniment or accompaniment clip.

Details

Get the score of the previous sentence. Use case: Can be used to display the score of each sentence on the view.

When to call: It can be called after playing the copyright accompaniment or accompaniment clip and starting to score.

Available since: 2.15.0

getAverageScore:

- (int)getAverageScore:(NSString *) resourceID;

Get average score.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
resourceID	NSString *	the resource ID corresponding to the accompaniment or accompaniment clip.

Details

Get the average score. Use case: Can be used to display the average score on the view.

When to call: It can be called after playing the copyright accompaniment or accompaniment clip and starting to score.

Available since: 2.15.0

getTotalScore:

- (int)getTotalScore:(NSString *) resourceID;

Get total score .

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
resourceID	NSString *	the resource ID corresponding to the accompaniment or accompaniment clip.

Details

Get the total score. Use case: Can be used to display the total score on the view.

When to call: It can be called after playing the copyright accompaniment or accompaniment clip and starting to score.

Available since: 2.15.0

getFullScore:

- (int)getFullScore:(NSString *) resourceID;

Get full score .

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
resourceID	NSString *	the resource ID corresponding to the accompaniment or accompaniment clip.

Details

Get the full score. Use case: Can be used to display the full score on the view.

When to call: It can be called after playing the copyright accompaniment or accompaniment clip and starting to score.

Available since: 3.0.2

getStandardPitch:callback:

- (void)getStandardPitch:(NSString *) resourceID callback:(nullable ZegoCopyrightedMusicGetStandardPitchCallback) callback;

Get standard pitch data.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
resourceID	NSString *	the resource ID corresponding to the accompaniment or accompaniment clip.
callback	nullable ZegoCopyrightedMusicGetStandardPitchCallback	get standard pitch data result.

Details

Get standard pitch data. Use case: Can be used to display standard pitch lines on the view.

Caution: Only accompaniment or climactic clip assets have pitch lines.

Available since: 2.15.0

getCurrentPitch:

- (int)getCurrentPitch:(NSString *) resourceID;

Get real-time pitch data.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
resourceID	NSString *	the resource ID corresponding to the song or accompaniment.

Details

Get real-time pitch data. Use case: Can be used to display real-time pitch lines on the view.

When to call: It can be called after playing the copyright accompaniment or accompaniment clip and starting to score.

Available since: 2.15.0

requestSong:callback:

deprecated

- (void)requestSong:(ZegoCopyrightedMusicRequestConfig *) config callback:(nullable ZegoCopyrightedMusicRequestSongCallback) callback;

[Deprecated] Request a song. Deprecated since 3.0.2, please use the [requestResource] function instead.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
config	ZegoCopyrightedMusicRequestConfig *	request configuration.
callback	nullable ZegoCopyrightedMusicRequestSongCallback	request a song result

Details

By requesting a song, you can not only obtain basic information about a song (such as duration, song name, and artist), but also obtain the resource ID for local playback, share_token for sharing with others, and related authentication information. Support by the time, by the user monthly, by the room monthly subscription three ways. Use case: Get copyrighted songs for local playback and sharing.

When to call: After initializing the copyrighted music success [initCopyrightedMusic].
Caution: This interface will trigger billing. A song may have three sound qualities: normal, high-definition, and lossless. Each sound quality has a different resource file, and each resource file has a unique resource ID.

Available since: 2.13.0

Deprecated

Deprecated since 3.0.2, please use the [requestResource] function instead.

requestAccompaniment:callback:

deprecated

- (void)requestAccompaniment:(ZegoCopyrightedMusicRequestConfig *) config callback:(nullable ZegoCopyrightedMusicRequestAccompanimentCallback) callback;

[Deprecated] Request accompaniment. Deprecated since 3.0.2, please use the [requestResource] function instead.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
config	ZegoCopyrightedMusicRequestConfig *	request configuration.
callback	nullable ZegoCopyrightedMusicRequestAccompanimentCallback	request accompaniment result.

Details

You can get the accompaniment resources of the song corresponding to the songID, including resource_id, krc_token, share_token, etc. Supports click-by-point accompaniment. Use case: Get copyrighted accompaniment for local playback and sharing.

When to call: After initializing the copyrighted music success [initCopyrightedMusic].
Caution: This interface will trigger billing.

Available since: 2.13.0

Deprecated

Deprecated since 3.0.2, please use the [requestResource] function instead.

requestAccompanimentClip:callback:

deprecated

- (void)requestAccompanimentClip:(ZegoCopyrightedMusicRequestConfig *) config callback:(nullable ZegoCopyrightedMusicRequestAccompanimentClipCallback) callback;

[Deprecated] Request accompaniment clip. Deprecated since 3.0.2, please use the [requestResource] function instead.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
config	ZegoCopyrightedMusicRequestConfig *	request configuration.
callback	nullable ZegoCopyrightedMusicRequestAccompanimentClipCallback	request accompaniment clip result.

Details

You can get the accompaniment clip resources of the song corresponding to the songID, including resource_id, krc_token, share_token, etc. Supports accompaniment clips by pay-per-use. Use case: Get copyrighted accompaniment clip for local playback and sharing.

When to call: After initializing the copyrighted music success [initCopyrightedMusic].
Caution: This interface will trigger billing.

Available since: 2.13.0

Deprecated

Deprecated since 3.0.2, please use the [requestResource] function instead.

getMusicByToken:callback:

deprecated

- (void)getMusicByToken:(NSString *) shareToken callback:(nullable ZegoCopyrightedMusicGetMusicByTokenCallback) callback;

[Deprecated] Get a song or accompaniment. Deprecated since 3.0.2, please use the [getSharedResource] function instead.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
shareToken	NSString *	access the corresponding authorization token for a song or accompaniment.
callback	nullable ZegoCopyrightedMusicGetMusicByTokenCallback	get a song or accompaniment result.

Details

After the user successfully obtains the song/accompaniment/accompaniment clip resource, he can get the corresponding shareToken, share the shareToken with other users, and other users call this interface to obtain the shared music resources. Use case: In the online KTV scene, after receiving the song or accompaniment token shared by the lead singer, the chorus obtains the corresponding song or accompaniment through this interface, and then plays it on the local end.

When to call: After initializing the copyrighted music success [initCopyrightedMusic].

Available since: 2.13.0

Deprecated

Deprecated since 3.0.2, please use the [getSharedResource] function instead.

getLrcLyric:callback:

deprecated

- (void)getLrcLyric:(NSString *) songID callback:(nullable ZegoCopyrightedMusicGetLrcLyricCallback) callback;

[Deprecated] Get lyrics in lrc format. Deprecated since 3.2.1, please use the method with the same name with [vendorID] parameter instead.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
songID	NSString *	the ID of the song or accompaniment, the song and accompaniment of a song share the same ID.
callback	nullable ZegoCopyrightedMusicGetLrcLyricCallback	get lyrics result

Details

Get lyrics in lrc format, support parsing lyrics line by line. Use case: Used to display lyrics line by line.

When to call: After initializing the copyrighted music success [initCopyrightedMusic].

Available since: 2.13.0

Deprecated

Deprecated since 2.14.0, please use the method with the same name with [vendorID] parameter instead.

queryCache:type:

deprecated

- (BOOL)queryCache:(NSString *) songID type:(ZegoCopyrightedMusicType) type;

[Deprecated] Query the resource's cache is existed or not. Deprecated since 3.2.1, please use the method with the same name with [vendorID] parameter instead.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
songID	NSString *	the ID of the song or accompaniment, the song and accompaniment of a song share the same ID.
type	ZegoCopyrightedMusicType	the song resource type.

Details

Query the resource is existed or not. Use case: Can be used to check the resource's cache is existed or not

When to call: After initializing the copyrighted music success [initCopyrightedMusic].

Available since: 2.13.0

Deprecated

Deprecated since 2.14.0, please use the method with the same name with [vendorID] parameter instead.

queryCache:type:vendorID:

deprecated

- (BOOL)queryCache:(NSString *) songID type:(ZegoCopyrightedMusicType) type vendorID:(ZegoCopyrightedMusicVendorID) vendorID;

[Deprecated] Query the resource's cache is existed or not. Deprecated since 3.9.0, please use the method with the same name with [config] parameter instead.

Declared in ZegoExpressDefines.h

Parameters

Name	Type	Description
songID	NSString *	the ID of the song or accompaniment, the song and accompaniment of a song share the same ID.
type	ZegoCopyrightedMusicType	the song resource type.
vendorID	ZegoCopyrightedMusicVendorID	Copyright music resource song copyright provider.

Details

Query the resource is existed or not, query the Yinsuda resource cache by default Use case: Can be used to check the resource's cache is existed or not

When to call: After initializing the copyrighted music success [initCopyrightedMusic].

Available since: 3.2.1

Deprecated

Deprecated since 3.9.0, please use the method with the same name with [config] parameter instead.