1MP4(3) MP4 File Format Library MP4(3)
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6 MP4SetVerbosity - Sets the level of diagnostic information
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9 #include <mp4.h>
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11 bool MP4SetVerbosity(
12 MP4FileHandle hFile,
13 u_int32_t verbosity
14 )
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17 hFile Specifies the mp4 file to which the operation applies.
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19 verbosity
20 Specifies a bitmask of diagnostic details the library should
21 print to stdout during its functioning. The default is to oper‐
22 ate silently. Possible values are:
23 MP4_DETAILS_ERROR Reasons for errors
24 MP4_DETAILS_WARNING Warnings
25 MP4_DETAILS_READ Read operations
26 MP4_DETAILS_WRITE Write operations
27 MP4_DETAILS_FIND Find property operations
28 MP4_DETAILS_TABLE Per table entry info
29 MP4_DETAILS_SAMPLE Per sample info
30 MP4_DETAILS_HINT Per RTP hint info
31 MP4_DETAILS_ALL All possible details
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35 Upon success, true (1). Upon an error, false (0).
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38 MP4SetVerbosity allows control over the level of diagnostic information
39 printed out by the library. It can be called at any time. Since much is
40 done by the library when opening an mp4 file, this function is built
41 into functions such as MP4Create(), MP4Modify(), and MP4Read().
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44 MP4(3)
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48Cisco Systems Inc. Version 0.9 MP4(3)