1MP4(3) MP4 File Format Library MP4(3)
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6 MP4GetTrackEditMediaStart - Get the media start time of a track edit
7 segment
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10 #include <mp4.h>
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12 MP4Timestamp MP4GetTrackEditMediaStart(
13 MP4FileHandle hFile,
14 MP4TrackId trackId,
15 MP4EditId editId
16 )
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19 hFile Specifies the mp4 file to which the operation applies.
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21 trackId
22 Specifies the track to which the operation applies.
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24 editId Specifies the edit segment for which the media start time is
25 desired.
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28 The media start time of the edit segment in track time scale units of
29 the track in the mp4 file.
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32 MP4GetTrackEditMediaStart returns the media start time of the of the
33 specified track edit segment.
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35 Caveat: The value is in units of the track time scale.
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37 Note that this differs from the edit segment start time, MP4GetTrackEdā
38 itStart(). For example:
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40 EditId Start MediaStart Duration
41 1 0 15 30
42 2 30 120 20
43 3 50 3000 10
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46 MP4(3) MP4SetTrackEditMediaStart(3)
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50Cisco Systems Inc. Version 0.9 MP4(3)