mp4

mp4 implementation in golang based on spec ISO/IEC 14496-12:2015

Parser

parser := mp4.NewParser(file)
if err := parser.Parse(); err != nil {
    panic(err)
}

Progress

Implementation progress of ISO/IEC 14496-12:2015:

Chapter	Box Types	Parser
4.3 File Type Box	ftyp	100%
8.1.1 Media Data Box	mdat	100%
8.1.2 Free Space Box	free, skip	-
8.1.3 Progressive Download Information Box	pdin	-
8.2.1 Movie Box	moov	100%
8.2.2 Movie Header Box	mvhd	100%
8.3.1 Track Box	trak	100%
8.3.2 Track Header Box	tkhd	100%
8.3.3 Track Reference Box	tref	-
8.3.4 Track Group Box	trgr	-
8.4.1 Media Box	mdia	100%
8.4.2 Media Header Box	mdhd	80%
8.4.3 Handler Reference Box	hdlr	100%
8.4.4 Media Information Box	minf	100%
8.4.5.2 Null Media Header Box	nmhd	-
8.4.6 Extended language tag	elng	-
8.5.1 Sample Table Box	stbl	100%
8.5.2 Sample Description Box	stsd	100%
8.5.3 Degradation Priority Box	stdp	-
8.6.1.2 Decoding Time to Sample Box	stts	100%
8.6.1.3 Composition Time to Sample Box	ctts	-
8.6.1.4 Composition to Decode Box	cslg	-
8.6.2 Sync Sample Box	stss	-
8.6.3 Shadow Sync Sample Box	stsh	-
8.6.4 Independent and Disposable Samples Box	sdtp	-
8.6.5 Edit Box	edts	-
8.6.6 Edit List Box	elst	-
8.7.1 Data Information Box	dinf	100%
8.7.2 Data Reference Box	dref, url, urn	100%
8.7.3 Sample Size Boxes	stsz, stz2	50%
8.7.4 Sample To Chunk Box	stsc	100%
8.7.5 Chunk Offset Box	stco, co64	50%
8.7.6 Padding Bits Box	padb	-
8.7.7 Sub-Sample Information Box	subs	-
8.7.8 Sample Auxiliary Information Sizes Box	saiz	-
8.7.9 Sample Auxiliary Information Offsets Box	saio	-
8.8.1 Movie Extends Box	mvex	100%
8.8.2 Movie Extends Header Box	mehd	-
8.8.3 Track Extends Box	trex	100%
8.8.4 Movie Fragment Box	moof	100%
8.8.5 Movie Fragment Header Box	mfhd	100%
8.8.6 Track Fragment Box	traf	100%
8.8.7 Track Fragment Header Box	tfhd	20%
8.8.8 Track Fragment Run Box	traf	100%
8.8.9 Movie Fragment Random Access Box	mfra	-
8.8.10 Track Fragment Random Access Box	tfra	-
8.8.11 Movie Fragment Random Access Offset Box	mfro	-
8.8.12 Track fragment decode time	tfdt	100%
8.8.13 Level Assignment Box	leva	-
8.8.15 Track Extension Properties Box	trep	-
8.8.16 Alternative Startup Sequence Properties Box	assp	-
8.9.2 Sample to Group Box	sbgp	-
8.9.3 Sample Group Description Box	sgpd	-
8.10.1 User Data Box	udta	-
8.10.2 Copyright Box	cprt	-
8.10.3 Track Selection Box	tsel	-
8.10.4 Track kind	kind	-
8.11.1 The Meta box	meta	-
8.11.2 XML Boxes	xml, bxml	-
8.11.3 The Item Location Box	iloc	-
8.11.4 Primary Item Box	pitm	-
8.11.5 Item Protection Box	ipro	-
8.11.6 Item Information Box	iinf	-
8.11.7 Additional Metadata Container Box	meco	-
8.11.8 Metabox Relation Box	mere	-
8.11.11 Item Data Box	idat	-
8.11.12 Item Reference Box	iref	-
8.12.1 Protection Scheme Information Box	sinf	-
8.12.2 Original Format Box	frma	-
8.12.5 Scheme Type Box	schm	-
8.12.6 Scheme Information Box	schi	-
8.13.2 FD Item Information Box	fiin	-
8.13.3 File Partition Box	fpar	-
8.13.4 FEC Reservoir Box	fecr	-
8.13.5 FD Session Group Box	segr	-
8.13.6 Group ID to Name Box	gitn	-
8.13.7 File Reservoir Box	fire	-
8.14.3 Sub Track box	strk	-
8.14.4 Sub Track Information box	stri	-
8.14.5 Sub Track Definition box	strd	-
8.14.6 Sub Track Sample Group box	stsg	-
8.15.3 Restricted Scheme Information box	rinf	-
8.15.4.2 Stereo video box	stvi	-
8.16.2 Segment Type Box	styp	-
8.16.3 Segment Index Box	sidx	-
8.16.4 Subsegment Index Box	ssix	-
8.16.5 Producer Reference Time Box	prft	-
8.17.3 Complete Track Information Box	cinf	-
9.1.2.1 SRTP Process box	srpp	-
9.2.4.7 FEC Information Box	feci	-
12.1.2 Video media header	vmhd	100%
12.2.1 Media handler	soun	-
12.2.2 Sound media header	smhd	-
12.2.4 Channel layout	chnl	-
12.2.5 Downmix Instructions	dmix	-
12.2.7 Audio stream loudness	ludt	-
12.4.2 Hint Media Header Box	hmhd	-

Implementation progress of ISO/IEC 14496-15:2017:

Chapter	Box Types	Parser
5.4.2 AVC video stream definition	avc1, avc2, avc3, avc4, avcC, m4ds, btrt	10%

Helper Tools

• Online MP4 file parser