docs/doc/reference/com/google/android/exoplayer2/C.RoleFlags.html
Package com.google.android.exoplayer2
[@Documented](https://developer.android.com/reference/java/lang/annotation/Documented.html "class or interface in java.lang.annotation")[@Retention](https://developer.android.com/reference/java/lang/annotation/Retention.html "class or interface in java.lang.annotation")([SOURCE](https://developer.android.com/reference/java/lang/annotation/RetentionPolicy.html?is-external=true#SOURCE "class or interface in java.lang.annotation"))[@Target](https://developer.android.com/reference/java/lang/annotation/Target.html "class or interface in java.lang.annotation")({[FIELD](https://developer.android.com/reference/java/lang/annotation/ElementType.html?is-external=true#FIELD "class or interface in java.lang.annotation"),[METHOD](https://developer.android.com/reference/java/lang/annotation/ElementType.html?is-external=true#METHOD "class or interface in java.lang.annotation"),[PARAMETER](https://developer.android.com/reference/java/lang/annotation/ElementType.html?is-external=true#PARAMETER "class or interface in java.lang.annotation"),[LOCAL\_VARIABLE](https://developer.android.com/reference/java/lang/annotation/ElementType.html?is-external=true#LOCAL_VARIABLE "class or interface in java.lang.annotation"),[TYPE\_USE](https://developer.android.com/reference/java/lang/annotation/ElementType.html?is-external=true#TYPE_USE "class or interface in java.lang.annotation")})
public static @interfaceC.RoleFlags
Track role flags. Possible flag values are C.ROLE_FLAG_MAIN, C.ROLE_FLAG_ALTERNATE, C.ROLE_FLAG_SUPPLEMENTARY, C.ROLE_FLAG_COMMENTARY, C.ROLE_FLAG_DUB, C.ROLE_FLAG_EMERGENCY, C.ROLE_FLAG_CAPTION, C.ROLE_FLAG_SUBTITLE, C.ROLE_FLAG_SIGN, C.ROLE_FLAG_DESCRIBES_VIDEO, C.ROLE_FLAG_DESCRIBES_MUSIC_AND_SOUND, C.ROLE_FLAG_ENHANCED_DIALOG_INTELLIGIBILITY, C.ROLE_FLAG_TRANSCRIBES_DIALOG, C.ROLE_FLAG_EASY_TO_READ and C.ROLE_FLAG_TRICK_PLAY.