QuickTime/MP4 Validation

The following list contains some of the verifications applied by QuickTime/MP4 Validation module:

• Atom size validation;
• Atom completeness;
• Index atom entries absence;
• Required atoms absence;
• Time scale and duration validation;
• TrackID values validation;
• Audio/Sound descriptor validation;
• Video descriptor validation;
• Timecode descriptor validation.

The following list contains some of the information fields displayed by QuickTime/MP4 Validation module:

• moov atom order index;
• mdat atom order index;
• mvhd atom full description;
• QuickTime media duration;
• hdlr atom full description;
• Audio/Sound descriptors information;
• Video descriptors information;
• Timecode descriptors information.

The following table contains the list of the supported by QuickTime/MP4 Validation module atoms:

c064	Chunk Offset (64 bit offset).
ctts	Composition Time To Sample.
dinf	Data Information.
dref	Data Reference.
edts	Edit.
elst	Edit List.
hdlr	Handler Reference.
mdhd	Media Header.
mdia	Media.
minf	Media Information.
moov	Movie.
mvhd	Movie Header.
smhd	Sound Media Information Header.
stbl	Sample Table.
stco	Chunk Offset (32 bit offset).
stsc	Sample-to-Chunk.
stsd	Sample Description.
stss	Sync Sample.
stsz	Sample Size.
stts	Time-to-Sample.
tkhd	Track Header.
trak	Track.
vmhd	Video Media Information Header.
mehd	Movie Extends Header.
ssix	Subsegment Index.
trex	Track Extends Defaults.
tfra	Track Fragment Random Access.
mfro	Movie Fragment Random Access Offset.
mfhd	Movie Fragment Header.
trun	Track Fragment Run.
sdtp	Independent and Disposable Samples.
sbgp	Sample To Group.
tfdt	Track Fragment Base Media Decode Time.
sidx	Segment Index.
saio	Sample Auxiliary Information Offsets.
saiz	Sample Auxiliary Information Sizes.
abst	Bootstrap Info.
adaf	Adobe DRM Access Unit Format.
aeib	Encryption Information.
afra	Fragment Random Access.
afrt	Fragment Run Table.
amhp	Adobe Mux Hint Process.
amto	Adobe Mux Time Offset.
auth	Author Metadata Tag.
btrt	Bit Rate.
clap	Clean Aperture.
clef	Track Clean Aperture Dimensions.
colr	Color Parameter.
cprt	Copyright Metadata Tag.
dscp	Description Metadata Tag.
enof	Track Encoded Pixels Dimensions.
esds	Elementary Stream Descriptor.
fiel	Field Parameter.
flxs	Flash Access Params.
frma	Format.
hmhd	Hint Media Header.
mfra	Movie Fragment Random Access.
moof	Movie Fragment.
mvex	Movie Extends.
nmhd	Null Media Header.
pasp	Pixel Aspect Ratio.
pdin	Progressive Download Information.
prft	Producer Reference Time.
prof	Track Production Aperture Dimensions.
schm	Scheme Type.
sinf	Protection Scheme Info.
snro	Sequence Offset.
styp	Segment Type Compatibility.
tapt	Track aperture mode dimensions.
tfhd	Track Fragment Header.
tims	Timescale Entry.
titl	Title Metadata Tag.
traf	Track Fragment.
tsro	Time Offset.
uuid	UUID.
wave	Wave Parameter.
chan	Audio Channle Layout.
cslg	Composition Shift Least Greatest.
ctab	Color Table.
ftyp	File Type Compatibility.
gmhd	Base Media Information Header.
gmin	Base Media Info.
ilst	Metadata Item List.
load	Track Loading Settings.
name	Name.
pnot	Preview.
tcmi	Timecode Media Information.
tmcd	Timecode Sample Descriptor.
udat	User Data.