FLV onMetaData creator CRIS metadatacreator 3Yet Another Metadata Injector for FLV - Version 1.4 hasKeyframes hasVideo hasAudio hasMetadata canSeekToEnd duration @T?|h datasize Aau videosize A]@ videocodecid @ width @ height @x framerate @8L videodatarate @nb4t audiosize A1 audiocodecid @ audiosamplerate @刀 audiosamplesize @0 stereo audiodatarate @[mmvfE filesize Aa P lasttimestamp @T?|h lastkeyframetimestamp @T lastkeyframelocation AaM keyframes filepositions @ @ɬ @ @ @