kCMSampleAttachmentKey_IsDependedOnByOthers
Indicates whether other samples depend on this sample for decoding (type CFBoolean).
Declaration
let kCMSampleAttachmentKey_IsDependedOnByOthers: CFStringDiscussion
This key has no default value. If this key is not present, dependency information for the sample is unknown. If this key is present and its value is kCFBooleanFalse, the frame is considered droppable.
This attachment is read from and written to media files.
See Also
Sample Keys
kCMSampleAttachmentKey_NotSynckCMSampleAttachmentKey_PartialSynckCMSampleAttachmentKey_DependsOnOtherskCMSampleAttachmentKey_DisplayImmediatelykCMSampleAttachmentKey_DoNotDisplaykCMSampleAttachmentKey_EarlierDisplayTimesAllowedkCMSampleAttachmentKey_HasRedundantCodingkCMSampleAttachmentKey_PostDecodeProcessingMetadata