Virtual Method

GnomeCmdFileMetadataExtractorextract_metadata

Declaration

void
extract_metadata (
  GnomeCmdFileMetadataExtractor* fme,
  GnomeCmdFileDescriptor* fd,
  GnomeCmdFileMetadataExtractorAddTag add,
  gpointer user_data
)

Description

Extracts tags from a file described by a fd file descriptor. A callback add will be called for every extracted tag and its value.

Parameters

fd

Type: GnomeCmdFileDescriptor

A file descriptor.

The data is owned by the caller of the method.

add

Type: GnomeCmdFileMetadataExtractorAddTag

A callback.

user_data

Type: gpointer

A user data to be passed to add callback.

The argument can be NULL.

The data is owned by the caller of the method.