Protected_The underlying I/O stream.
Protected_Whether the file was parsed successfully. Subclasses set this to false
when a fatal parse error is encountered.
Whether the underlying stream is currently open. Synchronous.
Whether this file was parsed successfully.
The name (path) of the underlying stream, as reported by the stream itself. Synchronous.
Whether the underlying stream is read-only. Synchronous.
Returns the audio properties, or null if not parsed.
Returns the chapters object, optionally creating it if not present.
If true, creates an empty chapters object when absent.
The chapters object, or null if absent and create is false.
Resets the stream position to the beginning (equivalent to
seek(0, Position.Beginning)).
A promise that resolves when the operation is complete.
Returns complex property values for the given key.
The complex property key (e.g. "PICTURE").
An array of variant maps, one per complex property value.
Returns the list of supported complex property keys (e.g. "PICTURE").
Returns the total length of the stream in bytes.
Note: this is an async method rather than a getter because getters cannot
be async.
A promise resolving to the stream length in bytes.
Searches the stream forward for pattern starting at fromOffset.
The stream cursor is restored to its original position after the search.
If before is provided, the search stops (returning -1) as soon as
before is encountered.
The byte sequence to search for.
Byte offset at which to start searching. Defaults to 0.
Optionalbefore: ByteVectorOptional sentinel; if found before pattern, returns -1.
A promise resolving to the byte offset of the first match, or
-1 if not found.
Inserts data into the stream at start, optionally replacing replace
bytes.
The bytes to insert.
Byte offset at which to insert. Defaults to 0.
Number of bytes to overwrite. Defaults to 0.
A promise that resolves when the operation is complete.
Returns the tag's PropertyMap, or an empty map if no tag exists.
Reads up to length bytes from the current stream position.
The maximum number of bytes to read.
A promise resolving to the bytes read as a ByteVector.
Removes length bytes from the stream starting at start.
Byte offset of the first byte to remove. Defaults to 0.
Number of bytes to remove. Defaults to 0.
A promise that resolves when the operation is complete.
Remove unsupported properties from the tag.
Property keys to remove.
Searches the stream backward for pattern, starting at fromOffset
(default: end of file).
The stream cursor is restored to its original position after the search.
If before is provided, the search stops (returning -1) as soon as
before is encountered while scanning backward.
The byte sequence to search for.
Upper bound for the search. 0 means end of file.
Defaults to 0.
Optionalbefore: ByteVectorOptional sentinel; if found before pattern, returns -1.
A promise resolving to the byte offset of the match, or -1 if
not found.
Write the current tag and attachments back to the file.
true on success, false if the file is read-only or invalid.
Moves the stream's read/write cursor to offset relative to position.
The byte offset to seek to.
The seek origin. Defaults to Position.Beginning.
A promise that resolves when the seek is complete.
Set complex property values for the given key.
The complex property key (e.g. "PICTURE").
An array of variant maps to set.
true if the key was handled, false otherwise.
Set tag properties from a PropertyMap.
The properties to apply.
A map of properties that could not be set.
Returns the Matroska tag, or null if not present.
Returns the current byte offset of the stream cursor.
A promise resolving to the cursor position.
Truncates (or extends) the stream to exactly length bytes.
The desired stream length in bytes.
A promise that resolves when the truncation is complete.
Writes data at the current stream position.
The bytes to write.
A promise that resolves when the write is complete.
StaticbufferStaticopenOpen and parse a Matroska file.
A fully initialized MatroskaFile instance.
An implementation of TagLib::File for Matroska containers (MKV, MKA, WebM).