1MP4(3) MP4 File Format Library MP4(3)
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6 MP4GetSampleSync - Get the state of the sample sync flag
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9 #include <mp4.h>
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11 u_int32_t MP4GetSampleSize(
12 MP4FileHandle hFile,
13 MP4TrackId trackId,
14 MP4SampleId sampleId
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 sampleId
24 Specifies the sample to which the operation applies. Caveat: the
25 first sample has id 1 not 0.
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29 Upon success, the state of the sync flag, either true (1) or false (0).
30 Upon an error, -1.
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33 MP4GetSampleSync returns the state of the sync/random access flag of
34 the specified sample from the specified track.
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37 MP4(3)
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41Cisco Systems Inc. Version 0.9 MP4(3)