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

6       MP4GetTrackNumberOfSamples - Get the number of samples in a track
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SYNTAX

9       #include <mp4.h>
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11       u_int32_t MP4GetTrackNumberOfSamples(
12            MP4FileHandle hFile,
13            MP4TrackId trackId
14       )
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ARGUMENTS

17       hFile  Specifies the mp4 file to which the operation applies.
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19       trackId
20              Specifies the track for which the number of samples is desired.
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RETURN VALUES

23       Upon success, the number of samples in the track. Upon an error, 0.
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DESCRIPTION

26       MP4GetTrackNumberOfSamples  returns the number of samples in the speci‐
27       fied track in the mp4 file. Sample id's are the consecutive sequence of
28       numbers  from  1 to the total number of samples, i.e. 1-based indexing,
29       not 0-based indexing.
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SEE ALSO

32       MP4(3)
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36Cisco Systems Inc.                Version 0.9                           MP4(3)