net.sourceforge.jaad.aac.syntax.SyntaxConstants Maven / Gradle / Ivy

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Pure Java implementation of video/audio codecs and formats

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package net.sourceforge.jaad.aac.syntax;

/**
 * This class is part of JAAD ( jaadec.sourceforge.net ) that is distributed
 * under the Public Domain license. Code changes provided by the JCodec project
 * are distributed under FreeBSD license.
 *
 * @author in-somnia
 */
public interface SyntaxConstants {

	int MAX_ELEMENTS = 16;
	int BYTE_MASK = 0xFF;
	int MIN_INPUT_SIZE = 768; //6144 bits/channel
	//frame length
	int WINDOW_LEN_LONG = 1024;
	int WINDOW_LEN_SHORT = WINDOW_LEN_LONG/8;
	int WINDOW_SMALL_LEN_LONG = 960;
	int WINDOW_SMALL_LEN_SHORT = WINDOW_SMALL_LEN_LONG/8;
	//element types
	int ELEMENT_SCE = 0;
	int ELEMENT_CPE = 1;
	int ELEMENT_CCE = 2;
	int ELEMENT_LFE = 3;
	int ELEMENT_DSE = 4;
	int ELEMENT_PCE = 5;
	int ELEMENT_FIL = 6;
	int ELEMENT_END = 7;
	//maximum numbers
	int MAX_WINDOW_COUNT = 8;
	int MAX_WINDOW_GROUP_COUNT = MAX_WINDOW_COUNT;
	int MAX_LTP_SFB = 40;
	int MAX_SECTIONS = 120;
	int MAX_MS_MASK = 128;
	float SQRT2 = 1.414213562f;
}