Functions to operate with ISOTrack/MP4Track objects. More...

Enumerations
enum	{ MP4HintTrackReferenceType = MP4_FOUR_CHAR_CODE('h', 'i', 'n', 't') , MP4StreamDependencyReferenceType = MP4_FOUR_CHAR_CODE('d', 'p', 'n', 'd') , MP4ODTrackReferenceType = MP4_FOUR_CHAR_CODE('m', 'p', 'o', 'd') , MP4SyncTrackReferenceType = MP4_FOUR_CHAR_CODE('s', 'y', 'n', 'c') , MP4DescTrackReferenceType = MP4_FOUR_CHAR_CODE('c', 'd', 's', 'c') }
	Track reference types. More...

Functions
ISOErr	MJ2SetTrackMatrix (ISOTrack theTrack, u32 matrix[9])
	This sets the overall transformation matrix for the movie as a whole.

ISOErr	MJ2GetTrackMatrix (ISOTrack theTrack, u32 outMatrix[9])
	This returns the current matrix.

ISOErr	MJ2SetTrackLayer (ISOTrack theTrack, s16 layer)
	This sets the ordering of the visual tracks.

ISOErr	MJ2GetTrackLayer (ISOTrack theTrack, s16 *outLayer)
	This returns the currently set track layer.

ISOErr	MJ2SetTrackDimensions (ISOTrack theTrack, u32 width, u32 height)
	This sets the width and height of a track.

ISOErr	MJ2GetTrackDimensions (ISOTrack theTrack, u32 outWidth, u32 outHeight)
	This returns the currently set dimensions.

ISOErr	MJ2SetTrackVolume (ISOTrack theTrack, s16 volume)
	This sets the normal volume of the track.

ISOErr	MJ2GetTrackVolume (ISOTrack theTrack, s16 *outVolume)
	Returns the currently set track volume.

MP4Err	MP4AddTrackReference (MP4Track theTrack, MP4Track dependsOn, u32 referenceType, u32 *outReferenceIndex)
	Indicate that there exists a dependency between two tracks.

MP4Err	MP4AddTrackReferenceWithID (MP4Track theTrack, u32 dependsOnID, u32 dependencyType, u32 *outReferenceIndex)
	Indicate that there exists a dependency between two tracks.

MP4Err	MP4AddSubSampleInformationToTrack (MP4Track theTrack, MP4GenericAtom *subs)

MP4Err	MP4SetSubSampleInformationFlags (MP4GenericAtom subsample, u32 flags)

MP4Err	MP4GetSubSampleInformationEntryFromTrack (MP4Track theTrack, u32 flags, u32 entry_count, u32 sample_delta, u32 subsample_count, u32 *subsample_size_array, u32 subsample_priority_array, u32 **subsample_discardable_array)

MP4Err	MP4AddSubSampleInformationEntry (MP4GenericAtom subsample, u32 sample_delta, u32 subsample_count, MP4Handle subsample_size_array, MP4Handle subsample_priority_array, MP4Handle subsample_discardable_array)

MP4Err	MP4AddSubSampleInformationEntry2 (MP4GenericAtom subsample, u32 sample_delta, u32 subsample_count, MP4Handle subsample_size_array, MP4Handle subsample_priority_array, MP4Handle subsample_discardable_array, MP4Handle codec_specific_parameters_array)
	Same as MP4AddSubSampleInformationEntry but also allows to add the codec specific parameters.

MP4Err	MP4AddTrackGroup (MP4Track theTrack, u32 groupID, u32 dependencyType)
	Add track to a track group ID.

MP4Err	MP4AddTrackToMovieIOD (MP4Track theTrack)
	Add track's ES_Descriptor to its movie's initial object descriptor.

MP4Err	MP4GetMovieIndTrack (MP4Movie theMovie, u32 trackIndex, MP4Track *outTrack)
	Get track using the track index.

MP4Err	MP4GetMovieIndTrackSampleEntryType (MP4Movie theMovie, u32 idx, u32 *SEType)
	Get sample entry type of a track.

MP4Err	MP4GetMovieTrackCount (MP4Movie theMovie, u32 *outTrackCount)
	This function allows you to determine the number of Tracks in a Movie.

MP4Err	MP4GetTrackDuration (MP4Track theTrack, u64 *outDuration)
	Calculates and returns the duration of the track.

MP4Err	MP4GetTrackEnabled (MP4Track theTrack, u32 *outEnabled)
	This returns a non-zero value in outEnabled if the track is enabled.

MP4Err	MP4GetTrackID (MP4Track theTrack, u32 *outTrackID)
	Get the elementary stream ID for a given Track.

MP4Err	MP4GetTrackMedia (MP4Track theTrack, MP4Media *outMedia)
	Returns the Media for a given Track.

MP4Err	MP4GetTrackMovie (MP4Track theTrack, MP4Movie *outMovie)
	Get the Movie associated with a Track.

MP4Err	MP4GetTrackOffset (MP4Track track, u32 *outMovieOffsetTime)
	Get the track's offset (the length of its initial empty edit).

MP4Err	MP4GetTrackReference (MP4Track theTrack, u32 referenceType, u32 referenceIndex, MP4Track *outReferencedTrack)
	Obtain a specific track reference of the specified type.

MP4Err	MP4GetTrackReferenceCount (MP4Track theTrack, u32 referenceType, u32 *outReferenceCount)
	Determine the number of a particular type of track references that are contained in a track.

MP4Err	MP4GetTrackGroup (MP4Track theTrack, u32 groupType, u32 *outGroupId)
	Get the track group of a track.

MP4Err	MP4AddAtomToTrack (MP4Track theTrack, MP4GenericAtom the_atom)
	Adds the given atom to the track.

MP4Err	MP4InsertMediaIntoTrack (MP4Track trak, s32 trackStartTime, s32 mediaStartTime, u64 segmentDuration, s32 mediaRate)
	Adds a reference to the specified segment of media into a Track.

MP4Err	MP4NewMovieTrack (MP4Movie theMovie, u32 newTrackFlags, MP4Track *outTrack)
	Creates a new track for the movie.

MP4Err	MP4NewMovieTrackWithID (MP4Movie theMovie, u32 newTrackFlags, u32 newTrackID, MP4Track *outTrack)
	Creates a new track for the movie with a specified track ID.

MP4Err	MP4NewTrackMedia (MP4Track theTrack, MP4Media *outMedia, u32 handlerType, u32 timeScale, MP4Handle dataReference)
	Creates the media container for a track.

MP4Err	MP4SetTrackEnabled (MP4Track theTrack, u32 enabled)
	Enables or disables the track.

MP4Err	MP4SetTrackOffset (MP4Track track, u32 movieOffsetTime)
	Modifies the duration of the empty space that lies at the beginning of the track, thus changing the duration of the entire track.

MP4Err	MP4TrackTimeToMediaTime (MP4Track theTrack, u64 inTrackTime, s64 *outMediaTime)
	Convert from a time expressed in the movie time scale to a time expressed in the media time scale.

MP4Err	ISOSetTrackFragmentDefaults (MP4Track theTrack, u32 duration, u32 size, u32 is_sync, u8 pad)
	Sets the default sample duration, size, sync-flag, and padding bits for samples added into movie fragments, for this track.

MP4Err	MP4GetTrackEditlistEntryCount (MP4Track theTrack, u32 *entryCount)
	This returns the number of existent Edit list entries.

MP4Err	MP4GetTrackEditlist (MP4Track theTrack, u64 outSegmentDuration, s64 outMediaTime, u32 entryIndex)
	This returns a non-zero value in outSegmentDuration and outMediaTime if the Edit list information is present and valid.

Detailed Description

Functions to operate with ISOTrack/MP4Track objects.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Track reference types.

Enumerator
MP4HintTrackReferenceType	for hint tracks, to point to the media track they depend on
MP4StreamDependencyReferenceType	for elementary stream tracks, to indicate other elementary stream tracks they depend on (an enhancement layer points to a base layer, for example)
MP4ODTrackReferenceType	for object descriptor tracks, to point to the elementary stream whose metadata is being updated.

Function Documentation

◆ ISOSetTrackFragmentDefaults()

MP4Err ISOSetTrackFragmentDefaults	(	MP4Track	theTrack,
		u32	duration,
		u32	size,
		u32	is_sync,
		u8	pad
	)

Sets the default sample duration, size, sync-flag, and padding bits for samples added into movie fragments, for this track.

Note: This function must be called for each track to which fragment samples will be added, before the first fragment is started.

Parameters

theTrack	input track object
duration	default sample duration
size	default sample size
is_sync	default sample sync-flag
pad	default sample padding bits

Returns: MP4Err error code

◆ MJ2GetTrackDimensions()

ISOErr MJ2GetTrackDimensions	(	ISOTrack	theTrack,
		u32 *	outWidth,
		u32 *	outHeight
	)

This returns the currently set dimensions.

Parameters

theTrack	input track object
outWidth	output width
outHeight	output height

Returns: ISOErr error code

◆ MJ2GetTrackLayer()

ISOErr MJ2GetTrackLayer	(	ISOTrack	theTrack,
		s16 *	outLayer
	)

This returns the currently set track layer.

Parameters

theTrack	input track object
outLayer	output layer value

Returns: ISOErr error code

◆ MJ2GetTrackMatrix()

ISOErr MJ2GetTrackMatrix	(	ISOTrack	theTrack,
		u32	outMatrix[9]
	)

This returns the current matrix.

Parameters

theTrack	input track object
outMatrix	output matrix

Returns: ISOErr error code

◆ MJ2GetTrackVolume()

ISOErr MJ2GetTrackVolume	(	ISOTrack	theTrack,
		s16 *	outVolume
	)

Returns the currently set track volume.

Parameters

theTrack	input track object
outVolume	output volume

Returns: ISOErr error code

◆ MJ2SetTrackDimensions()

ISOErr MJ2SetTrackDimensions	(	ISOTrack	theTrack,
		u32	width,
		u32	height
	)

This sets the width and height of a track.

Note that this may be different from the width and height of the media; scaling may occur. All MJ2 visual tracks should have this set explicitly.

Parameters

theTrack	input track object
width	input width
height	input height

Returns: ISOErr error code

◆ MJ2SetTrackLayer()

ISOErr MJ2SetTrackLayer	(	ISOTrack	theTrack,
		s16	layer
	)

This sets the ordering of the visual tracks.

It should be set if there is more than one visual track. Smaller numbers are closer to the front.

Parameters

theTrack	input track object
layer	layer value

Returns: ISOErr error code

◆ MJ2SetTrackMatrix()

ISOErr MJ2SetTrackMatrix	(	ISOTrack	theTrack,
		u32	matrix[9]
	)

This sets the overall transformation matrix for the movie as a whole.

The matrix allows for 2D transformations; see the MJ2 specification for the details of how it is applied. The default matrix is the unitary transform.

Parameters

theTrack	input track object
matrix	input matrix

Returns: ISOErr error code

◆ MJ2SetTrackVolume()

ISOErr MJ2SetTrackVolume	(	ISOTrack	theTrack,
		s16	volume
	)

This sets the normal volume of the track.

The normal, default, value is 1.0. The volume is expressed as an 8.8 fixed-point number. Different audio tracks may have different volume settings; they are mixed for playback.

Parameters

theTrack	input track object
volume	input volume

Returns: ISOErr error code

◆ MP4AddAtomToTrack()

MP4Err MP4AddAtomToTrack	(	MP4Track	theTrack,
		MP4GenericAtom	the_atom
	)

Adds the given atom to the track.

See also: MP4NewForeignAtom, MP4NewUUIDAtom

Parameters

theTrack	input track object
the_atom	atom to add

Returns: MP4Err error code

◆ MP4AddSubSampleInformationEntry()

MP4Err MP4AddSubSampleInformationEntry	(	MP4GenericAtom	subsample,
		u32	sample_delta,
		u32	subsample_count,
		MP4Handle	subsample_size_array,
		MP4Handle	subsample_priority_array,
		MP4Handle	subsample_discardable_array
	)

Parameters

subsample
sample_delta
subsample_count
subsample_size_array
subsample_priority_array
subsample_discardable_array

Returns: MP4Err error code

◆ MP4AddSubSampleInformationEntry2()

MP4Err MP4AddSubSampleInformationEntry2	(	MP4GenericAtom	subsample,
		u32	sample_delta,
		u32	subsample_count,
		MP4Handle	subsample_size_array,
		MP4Handle	subsample_priority_array,
		MP4Handle	subsample_discardable_array,
		MP4Handle	codec_specific_parameters_array
	)

Same as MP4AddSubSampleInformationEntry but also allows to add the codec specific parameters.

Parameters

subsample
sample_delta
subsample_count
subsample_size_array
subsample_priority_array
subsample_discardable_array
codec_specific_parameters_array

Returns: MP4Err error code

◆ MP4AddSubSampleInformationToTrack()

MP4Err MP4AddSubSampleInformationToTrack	(	MP4Track	theTrack,
		MP4GenericAtom *	subs
	)

Parameters

theTrack	input track object
subs

Returns: MP4Err error code

◆ MP4AddTrackGroup()

MP4Err MP4AddTrackGroup	(	MP4Track	theTrack,
		u32	groupID,
		u32	dependencyType
	)

Add track to a track group ID.

If no track group with the dependency type is found in the track one is created and added to theTrack.

Parameters

theTrack	input track object
groupID	track_group_id in the TrackGroupTypeBox
dependencyType	track_group_type of the TrackGroupTypeBox

Returns: MP4Err error code

◆ MP4AddTrackReference()

MP4Err MP4AddTrackReference	(	MP4Track	theTrack,
		MP4Track	dependsOn,
		u32	referenceType,
		u32 *	outReferenceIndex
	)

Indicate that there exists a dependency between two tracks.

Parameters

theTrack	track object to which the track reference will be added
dependsOn	track object on which theTrack depends
referenceType	refenrece type fourcc. Could be one of the following values, or any other reference type set with MP4_FOUR_CHAR_CODE():
outReferenceIndex	output reference number. This is only useful for OD streams because the other reference types only allow one reference per track.

Returns: MP4Err error code

◆ MP4AddTrackReferenceWithID()

MP4Err MP4AddTrackReferenceWithID	(	MP4Track	theTrack,
		u32	dependsOnID,
		u32	dependencyType,
		u32 *	outReferenceIndex
	)

Indicate that there exists a dependency between two tracks.

Similar to MP4AddTrackReference() but allows you to set the reference using a track ID rather than a track.

Parameters

theTrack	track object to which the track reference will be added
dependsOnID	track ID on which theTrack depends
dependencyType	same as in MP4AddTrackReference()
outReferenceIndex	output reference number

Returns: MP4Err error code

◆ MP4AddTrackToMovieIOD()

MP4Err MP4AddTrackToMovieIOD ( MP4Track theTrack )

Add track's ES_Descriptor to its movie's initial object descriptor.

This should be called for any tracks that need to appear in the initial object descriptor other than the initial BIFS track or the OD track.

Parameters

theTrack input track object

Returns: MP4Err error code

◆ MP4GetMovieIndTrack()

MP4Err MP4GetMovieIndTrack	(	MP4Movie	theMovie,
		u32	trackIndex,
		MP4Track *	outTrack
	)

Get track using the track index.

Use this to sequence through tracks in the Movie without regard to the trackID.

Parameters

theMovie	input movie object
trackIndex	index of the track ranges between 1 and the number of tracks in theMovie.
outTrack	output track object

Returns: MP4Err error code

◆ MP4GetMovieIndTrackSampleEntryType()

MP4Err MP4GetMovieIndTrackSampleEntryType	(	MP4Movie	theMovie,
		u32	idx,
		u32 *	SEType
	)

Get sample entry type of a track.

Note: This function only returns the first sample entry type.

Parameters

theMovie	input movie object
idx	index of the track ranges between 1 and the number of tracks in theMovie.
SEType	[out] sample entry type (4CC)

◆ MP4GetMovieTrackCount()

MP4Err MP4GetMovieTrackCount	(	MP4Movie	theMovie,
		u32 *	outTrackCount
	)

This function allows you to determine the number of Tracks in a Movie.

Parameters

theMovie	input movie object
outTrackCount	output number of tracks.

Returns: MP4Err error code

◆ MP4GetSubSampleInformationEntryFromTrack()

MP4Err MP4GetSubSampleInformationEntryFromTrack	(	MP4Track	theTrack,
		u32 *	flags,
		u32 *	entry_count,
		u32 **	sample_delta,
		u32 **	subsample_count,
		u32 ***	subsample_size_array,
		u32 ***	subsample_priority_array,
		u32 ***	subsample_discardable_array
	)

Parameters

theTrack	input track object
flags
entry_count
sample_delta
subsample_count
subsample_size_array
subsample_priority_array
subsample_discardable_array

Returns: MP4Err error code

◆ MP4GetTrackDuration()

MP4Err MP4GetTrackDuration	(	MP4Track	theTrack,
		u64 *	outDuration
	)

Calculates and returns the duration of the track.

If there is an edit list, it is the sum of the durations of the edits. In the absence of an edit list, it is the track’s cumulative sample durations.

Parameters

theTrack	input track object
outDuration	output duration of the track in the movie's timescale.

Returns: MP4Err error code

◆ MP4GetTrackEditlist()

MP4Err MP4GetTrackEditlist	(	MP4Track	theTrack,
		u64 *	outSegmentDuration,
		s64 *	outMediaTime,
		u32	entryIndex
	)

This returns a non-zero value in outSegmentDuration and outMediaTime if the Edit list information is present and valid.

Parameters

theTrack	input track object
outSegmentDuration	output segment duration
outMediaTime	output media time
entryIndex	defines the one-based index of the entry to return

Returns: MP4Err error code

◆ MP4GetTrackEditlistEntryCount()

MP4Err MP4GetTrackEditlistEntryCount	(	MP4Track	theTrack,
		u32 *	entryCount
	)

This returns the number of existent Edit list entries.

Returns the number of existent Edit list entries in entryCount if the Edit list information is present, otherwise 0.

Parameters

theTrack	input track object
entryCount	output number of Edit list entries

Returns: MP4Err error code

◆ MP4GetTrackEnabled()

MP4Err MP4GetTrackEnabled	(	MP4Track	theTrack,
		u32 *	outEnabled
	)

This returns a non-zero value in outEnabled if the track is enabled.

Parameters

theTrack	input track object
outEnabled	output enabled flag is a non-zero value if the track is enabled

Returns: MP4Err error code

◆ MP4GetTrackGroup()

MP4Err MP4GetTrackGroup	(	MP4Track	theTrack,
		u32	groupType,
		u32 *	outGroupId
	)

Get the track group of a track.

Parameters

theTrack	input track object
groupType	group type
outGroupId	output group ID

Returns: MP4Err error code

◆ MP4GetTrackID()

MP4Err MP4GetTrackID	(	MP4Track	theTrack,
		u32 *	outTrackID
	)

Get the elementary stream ID for a given Track.

Parameters

theTrack	input track object
outTrackID	output track ID

Returns: MP4Err error code

◆ MP4GetTrackMedia()

MP4Err MP4GetTrackMedia	(	MP4Track	theTrack,
		MP4Media *	outMedia
	)

Returns the Media for a given Track.

An error is returned if the track contains no media

Parameters

theTrack	input track object
outMedia	output pointer to a track media object

Returns: MP4Err error code

◆ MP4GetTrackMovie()

MP4Err MP4GetTrackMovie	(	MP4Track	theTrack,
		MP4Movie *	outMovie
	)

Get the Movie associated with a Track.

Parameters

theTrack	input track object
outMovie	output pointer to a movie object

Returns: MP4Err error code

◆ MP4GetTrackOffset()

MP4Err MP4GetTrackOffset	(	MP4Track	track,
		u32 *	outMovieOffsetTime
	)

Get the track's offset (the length of its initial empty edit).

Parameters

track	input track object
outMovieOffsetTime	output movie offset value in the Movie's time scale.

Returns: MP4Err error code

◆ MP4GetTrackReference()

MP4Err MP4GetTrackReference	(	MP4Track	theTrack,
		u32	referenceType,
		u32	referenceIndex,
		MP4Track *	outReferencedTrack
	)

Obtain a specific track reference of the specified type.

Parameters

theTrack	input track object
referenceType	The type of track reference you wish to index
referenceIndex	The particular reference of this type that you wish to retrieve. This is usually one, since most track references only allow one entry.
outReferencedTrack	output pointer to a track object that is referenced.

Returns: MP4Err error code

◆ MP4GetTrackReferenceCount()

MP4Err MP4GetTrackReferenceCount	(	MP4Track	theTrack,
		u32	referenceType,
		u32 *	outReferenceCount
	)

Determine the number of a particular type of track references that are contained in a track.

Parameters

theTrack	input track object
referenceType	input reference type
outReferenceCount	number of track references of a specific type. If the track doesn't contain any references of the specified type the return value will be zero.

Returns: MP4Err error code

◆ MP4InsertMediaIntoTrack()

MP4Err MP4InsertMediaIntoTrack	(	MP4Track	trak,
		s32	trackStartTime,
		s32	mediaStartTime,
		u64	segmentDuration,
		s32	mediaRate
	)

Adds a reference to the specified segment of media into a Track.

Note: This may create an edit list entry for this track.

Parameters

trak	input track object
trackStartTime	time (in the movie’s time scale) at which the media is to be inserted in to the track
mediaStartTime	time (in the media’s time scale) at which the desired media segment begins
segmentDuration	duration (in the media’s time scale) of the segment
mediaRate	The desired playback rate of the media. A value of 1 indicates normal rate. The only other permitted value is -1 which indicates a ’dwell’ should occur.

Returns: MP4Err error code

◆ MP4NewMovieTrack()

MP4Err MP4NewMovieTrack	(	MP4Movie	theMovie,
		u32	newTrackFlags,
		MP4Track *	outTrack
	)

Creates a new track for the movie.

Parameters

theMovie input movie object

newTrackFlags

track flags can be zero or one of:

Flags value	Description
ISONewTrackIsVisual	if the track will contain visual media
ISONewTrackIsAudio	if the track will contain audio media
ISONewTrackIsPrivate	if the track will not contain a media type known to MPEG-4
ISONewTrackIsMetadata	if the track will be a meta-data track

outTrack output track object

Returns: MP4Err error code

◆ MP4NewMovieTrackWithID()

MP4Err MP4NewMovieTrackWithID	(	MP4Movie	theMovie,
		u32	newTrackFlags,
		u32	newTrackID,
		MP4Track *	outTrack
	)

Creates a new track for the movie with a specified track ID.

Parameters

theMovie	input movie object
newTrackFlags	track flags as in MP4NewMovieTrack()
newTrackID	input track ID to set for a new track
outTrack	output track object

Returns: MP4Err error code

◆ MP4NewTrackMedia()

MP4Err MP4NewTrackMedia	(	MP4Track	theTrack,
		MP4Media *	outMedia,
		u32	handlerType,
		u32	timeScale,
		MP4Handle	dataReference
	)

Creates the media container for a track.

Parameters

theTrack	input track object
outMedia	output pointer to a media object
handlerType	Describes the stream type at a high level. Use one of the handler types from ISOMovies.h. Examples are ISOVisualHandlerType, ISOAudioHandlerType and ISOHintHandlerType.
timeScale	The media time scale. This is the time coordinate system for the media. You express durations as a multiple of this value, so typical values are the sampling rate for audio, or frame rate for video.
dataReference	A URL that indicates the location of the media samples. This must either be NULL to indicate that the samples are included in the movie’s file, or a "file://" URL encoded in UTF-8. This data reference is given index 1 in the Media. You can add others using MP4AddMediaDataReference()

Returns: MP4Err error code

◆ MP4SetSubSampleInformationFlags()

MP4Err MP4SetSubSampleInformationFlags	(	MP4GenericAtom	subsample,
		u32	flags
	)

Parameters

subsample
flags

Returns: MP4Err error code

◆ MP4SetTrackEnabled()

MP4Err MP4SetTrackEnabled	(	MP4Track	theTrack,
		u32	enabled
	)

Enables or disables the track.

Parameters

theTrack	input track object
enabled	Set enabled to a nonzero value to enable the track, or zero to disable the track

Returns: MP4Err error code

◆ MP4SetTrackOffset()

MP4Err MP4SetTrackOffset	(	MP4Track	track,
		u32	movieOffsetTime
	)

Modifies the duration of the empty space that lies at the beginning of the track, thus changing the duration of the entire track.

Note: Call this function after you have constructed your track - it relies on being able to find the duration of the media in the track.

Parameters

track	input track object
movieOffsetTime	time offset as a time value in the movie’s time scale

Returns: MP4Err error code

◆ MP4TrackTimeToMediaTime()

MP4Err MP4TrackTimeToMediaTime	(	MP4Track	theTrack,
		u64	inTrackTime,
		s64 *	outMediaTime
	)

Convert from a time expressed in the movie time scale to a time expressed in the media time scale.

Parameters

theTrack	input track object
inTrackTime	input track timestamp
outMediaTime	output media timestamp (in the media time scale)

Returns: MP4Err error code

Enumerations

Functions

Detailed Description

Enumeration Type Documentation

◆ anonymous enum

Function Documentation

◆ ISOSetTrackFragmentDefaults()

◆ MJ2GetTrackDimensions()

◆ MJ2GetTrackLayer()

◆ MJ2GetTrackMatrix()

◆ MJ2GetTrackVolume()

◆ MJ2SetTrackDimensions()

◆ MJ2SetTrackLayer()

◆ MJ2SetTrackMatrix()

◆ MJ2SetTrackVolume()

◆ MP4AddAtomToTrack()

◆ MP4AddSubSampleInformationEntry()

◆ MP4AddSubSampleInformationEntry2()

◆ MP4AddSubSampleInformationToTrack()

◆ MP4AddTrackGroup()

◆ MP4AddTrackReference()

◆ MP4AddTrackReferenceWithID()

◆ MP4AddTrackToMovieIOD()

◆ MP4GetMovieIndTrack()

◆ MP4GetMovieIndTrackSampleEntryType()

◆ MP4GetMovieTrackCount()

◆ MP4GetSubSampleInformationEntryFromTrack()

◆ MP4GetTrackDuration()

◆ MP4GetTrackEditlist()

◆ MP4GetTrackEditlistEntryCount()

◆ MP4GetTrackEnabled()

◆ MP4GetTrackGroup()

◆ MP4GetTrackID()

◆ MP4GetTrackMedia()

◆ MP4GetTrackMovie()

◆ MP4GetTrackOffset()

◆ MP4GetTrackReference()

◆ MP4GetTrackReferenceCount()

◆ MP4InsertMediaIntoTrack()

◆ MP4NewMovieTrack()

◆ MP4NewMovieTrackWithID()

◆ MP4NewTrackMedia()

◆ MP4SetSubSampleInformationFlags()

◆ MP4SetTrackEnabled()

◆ MP4SetTrackOffset()

◆ MP4TrackTimeToMediaTime()