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MP4Modify
Langue: en
Version: 160484 (fedora - 05/07/09)
Section: 3 (Bibliothèques de fonctions)
NAME
MP4Modify - Modify an existing mp4 file
SYNTAX
#include <mp4.h>
MP4FileHandle MP4Modify(
const char* fileName,
u_int32_t verbosity = 0,
u_int32_t flags = 0
);
ARGUMENTS
- fileName
- Specifies the path name of the file to be modified.
- verbosity
- Specifies a bitmask of diagnostic details the library should print to stdout during its functioning. See MP4SetVerbosity() for values.
- flags
- Currently ignored.
RETURN VALUES
Upon successful completion the function returns a handle to the mp4 file. This is used in subsequent calls to the library to modify the file. Upon an error, MP4_INVALID_FILE_HANDLE is returned.
DESCRIPTION
MP4Modify is the first call that should be used when you want to modify an existing mp4 file. It is roughly equivalent to opening a file in read/write mode.
Since modifications to an existing mp4 file can result in a sub-optimal file layout, you may want to use MP4Optimize() after you have modified and closed the mp4 file.
SEE ALSO
MP4(3)
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