Media Type Constants Constants that represent media types. TopicsConstantskCMMediaType_AudiokCMMediaType_AuxiliaryPicturekCMMediaType_ClosedCaptionkCMMediaType_MetadatakCMMediaType_MuxedkCMMediaType_SubtitlekCMMediaType_TextkCMMediaType_TimeCodekCMMediaType_VideokCMMediaType_TaggedBufferGroup See AlsoData TypesCMVideoDimensionsCMAudioFormatDescriptionMaskCMMediaTypeCMAudioCodecTypeCMVideoCodecTypeCMTextDisplayFlagsCMTextJustificationValueMuxed Stream TypesAudio Codec Types