Module boxes 

MP4 box structures and parsers.

Structs

MdhdBoxsub-vtt

Media Header Box (mdhd) - declares media-independent metadata and information.

SchmBoxdecrypt-cenc

Scheme Type Box (schm) - identifies the protection scheme.

SencBoxdecrypt-cenc

Sample Encryption Box (senc) - contains initialization vectors and subsample maps for all samples in a movie fragment.

SencSampledecrypt-cenc

Encryption parameters for a single media sample.

SencSubsampledecrypt-cenc

A subsample encryption entry, dividing a sample into clear (unencrypted) and encrypted bytes.

SidxBoxsidx

Segment Index Box (sidx) - provides index information for media subsegments.

SidxRangesidx

A byte range for a subsegment or media fragment indexed by the sidx box.

TencBoxdecrypt-cenc

Track Encryption Box (tenc) - default encryption parameters for a track.

TfdtBoxsub-vtt

Track Fragment Base Media Decode Time Box (tfdt) - absolute decode time of the first sample.

TfhdBoxdecrypt-cenc or sub-vtt

Track Fragment Header Box (tfhd) - provides default parameters for a track fragment.

TrunBoxdecrypt-cenc or sub-vtt

Track Fragment Run Box (trun) - provides details for each sample in a movie fragment.

TrunSampledecrypt-cenc or sub-vtt

Sample data entry within a track fragment run.