1MP4(3) MP4 File Format Library MP4(3)
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6 MP4GetTrackEditStart - Get the start time of a track edit segment
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9 #include <mp4.h>
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11 MP4Timestamp MP4GetTrackEditStart(
12 MP4FileHandle hFile,
13 MP4TrackId trackId,
14 MP4EditId editId
15 )
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18 hFile Specifies the mp4 file to which the operation applies.
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20 trackId
21 Specifies the track to which the operation applies.
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23 editId Specifies the edit segment for which the start time is desired.
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26 The start time of the edit segment in track time scale units of the
27 track in the mp4 file.
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30 MP4GetTrackEditStart returns the start time of the of the specified
31 track edit segment in the timeline of the track edit list.
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33 Caveat: The value is in units of the track time scale.
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35 Note that this differs from the edit segment media start time, MP4Get‐
36 TrackEditMediaStart(). For example:
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38 EditId Start MediaStart Duration
39 1 0 15 30
40 2 30 120 20
41 3 50 3000 10
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44 MP4(3) MP4SetTrackEditStart(3)
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48Cisco Systems Inc. Version 0.9 MP4(3)