kCMSampleAttachmentKey_DependsOnOthers
Indicates whether the sample depends on other samples for decoding (type CFBoolean).
Declaration
let kCMSampleAttachmentKey_DependsOnOthers: CFStringDiscussion
This key has no default value. If this key is not present, dependency information for the sample is unknown. A value of kCFBooleanFalse indicates that the sample does not depend on other samples (for example, an I frame). A value of kCFBooleanTrue indicates that the sample does depend on other samples (for example, a P or B frame).
This attachment is read from and written to media files.
See Also
Sample Keys
kCMSampleAttachmentKey_NotSynckCMSampleAttachmentKey_PartialSynckCMSampleAttachmentKey_IsDependedOnByOtherskCMSampleAttachmentKey_DisplayImmediatelykCMSampleAttachmentKey_DoNotDisplaykCMSampleAttachmentKey_EarlierDisplayTimesAllowedkCMSampleAttachmentKey_HasRedundantCodingkCMSampleAttachmentKey_PostDecodeProcessingMetadata