Class unaRIFFChunk

Unit

unaRIFF

Declaration

type unaRIFFChunk = class(unaObject)

Description

RIFF Chunk.

Hierarchy

• TObject
• unaObject
• unaRIFFChunk

Overview

Methods

	constructor create(master: unaRIFile; parent: unaRIFFChunk; maxSize: int64; offset: int64 = 0);
	destructor Destroy(); override;
	function getSubChunkCount(): unsigned;
	function getSubPtr(offs: int64; size: unsigned; out subOfs: int): pointer;
	function isID(const id: fourCC): bool;
	function loadDataBuf(maxSize: int = -1): pArray;
	function readBuf(offset: int64; buf: pointer; sz: unsigned): unsigned;
	procedure releaseDataBuf();
	procedure releaseSubPtr(baseAddr: pointer);

Properties

	property dataBuf: pArray read f_data64KB;
	property dataBufSize: int read f_data64KBSize;
	property header: punaRIFFHeader read f_header;
	property isContainer: bool read f_isContainer;
	property master: unaRIFile read f_master;
	property maxSize64: int64 read f_maxSize64;
	property offset64: int64 read f_offset64;
	property subChunk[index:unsigned]: unaRIFFChunk read getSubChunk;

Description

Methods

	constructor create(master: unaRIFile; parent: unaRIFFChunk; maxSize: int64; offset: int64 = 0);

	destructor Destroy(); override;

	function getSubChunkCount(): unsigned;

	function getSubPtr(offs: int64; size: unsigned; out subOfs: int): pointer;

	function isID(const id: fourCC): bool;

	function loadDataBuf(maxSize: int = -1): pArray;

	function readBuf(offset: int64; buf: pointer; sz: unsigned): unsigned;

	procedure releaseDataBuf();

	procedure releaseSubPtr(baseAddr: pointer);

Properties

	property dataBuf: pArray read f_data64KB;

	property dataBufSize: int read f_data64KBSize;

	property header: punaRIFFHeader read f_header;

	property isContainer: bool read f_isContainer;

	property master: unaRIFile read f_master;

	property maxSize64: int64 read f_maxSize64;

	property offset64: int64 read f_offset64;

	property subChunk[index:unsigned]: unaRIFFChunk read getSubChunk;

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