ErrorCodes

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• Error Codes
  • MP4TAG_OK
  • MP4TAG_FINISH
  • MP4TAG_ERR_BAD_STRUCT
  • MP4TAG_ERR_CANNOT_WRITE
  • MP4TAG_ERR_FILE_NOT_FOUND
  • MP4TAG_ERR_FILE_READ_ERROR
  • MP4TAG_ERR_FILE_SEEK_ERROR
  • MP4TAG_ERR_FILE_TELL_ERROR
  • MP4TAG_ERR_FILE_WRITE_ERROR
  • MP4TAG_ERR_MISMATCH
  • MP4TAG_ERR_NO_TAGS
  • MP4TAG_ERR_NOT_IMPLEMENTED
  • MP4TAG_ERR_NOT_MP4
  • MP4TAG_ERR_NOT_OPEN
  • MP4TAG_ERR_NOT_PARSED
  • MP4TAG_ERR_NULL_VALUE
  • MP4TAG_ERR_OUT_OF_MEMORY
  • MP4TAG_ERR_TAG_NOT_FOUND
  • MP4TAG_ERR_UNABLE_TO_PROCESS

Error Codes

MP4TAG_OK

Success.

MP4TAG_FINISH

Returned by mp4tag_iterate. Indicates that there are no more tags to process.

MP4TAG_ERR_BAD_STRUCT

The libmp4tag structure is invalid.

MP4TAG_ERR_CANNOT_WRITE

The file is a stream, or the file does not have permissions to be written.

MP4TAG_ERR_FILE_NOT_FOUND

The file to be processed was not found or could not be opened.

MP4TAG_ERR_FILE_READ_ERROR

An error occurred while reading the file.

MP4TAG_ERR_FILE_SEEK_ERROR

An error occurred while seeking within the file.

MP4TAG_ERR_FILE_TELL_ERROR

An error occurred while determining the position within the file.

MP4TAG_ERR_FILE_WRITE_ERROR

An error occurred while writing the file.

MP4TAG_ERR_MISMATCH

There was a mismatch in the tag type. A binary value was specified for a string tag or a string value was specified for a tag with binary data.

MP4TAG_ERR_NO_TAGS

There are no tags.

MP4TAG_ERR_NOT_IMPLEMENTED

The library function is not implemented.

MP4TAG_ERR_NOT_MP4

The open failed, as it could not be determined that the file specified was an MP4 file.

MP4TAG_ERR_NOT_OPEN

Tried to process a file that is not open.

MP4TAG_ERR_NOT_PARSED

Unable to process as the file has not yet been parsed.

MP4TAG_ERR_NULL_VALUE

A null value was specified.

MP4TAG_ERR_OUT_OF_MEMORY

An out of memory condition occurred during processing.

MP4TAG_ERR_TAG_NOT_FOUND

The specified tag was not found or is not valid.

MP4TAG_ERR_UNABLE_TO_PROCESS

a) Cannot write the file as neither the tag list, nor the hierarchy in which to place the tag list can be found.

b) Unable to parse the file correctly. The structure is nested too deeply, or the file has been corrupted.