1MP4(3)                      MP4 File Format Library                     MP4(3)
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NAME

6       MP4CloneTrack - Make a clone of a specified track
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SYNTAX

9       #include <mp4.h>
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11       MP4TrackId MP4CloneTrack(
12            MP4FileHandle srcFile,
13            MP4TrackId srcTrackId,
14            MP4FileHandle dstFile = MP4_INVALID_FILE_HANDLE,
15            MP4TrackId dstHintTrackReferenceTrack = MP4_INVALID_TRACK_ID
16       )
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ARGUMENTS

19       srcFile
20              Specifies the mp4 file of the source track of the operation.
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22       srcTrackId
23              Specifies the track id of the track to be cloned.
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25       dstFile
26              Specifies the mp4 file of the new, cloned track. If the value is
27              MP4_INVALID_FILE_HANDLE, the new track is created  in  the  same
28              file as the source track.
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30       dstHintTrackReferenceTrack
31              When cloning a hint track, this parameter specifies the track id
32              of the reference track in the destination file.
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RETURN VALUES

35       Upon  success,  the  track  id  of  the  new  track.  Upon  an   error,
36       MP4_INVALID_TRACK_ID.
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DESCRIPTION

40       MP4CloneTrack  creates  a new track to an mp4 file that is a copy of an
41       existing track with respect to the track media type, and other  control
42       information.
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44       Note  this function does not copy the media samples of the source track
45       to the new track. If you want to do that use MP4CopyTrack() instead.
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SEE ALSO

50       MP4(3) MP4CopyTrack(3)
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54Cisco Systems Inc.                Version 0.9                           MP4(3)