net.sourceforge.dvb.projectx.audio
Class MpaDecoder

java.lang.Object
  |
  +--net.sourceforge.dvb.projectx.audio.MpaDecoder

public class MpaDecoder

extends java.lang.Object

Field Summary

static byte[]	AIFF
static boolean	DOWNMIX
static boolean	DOWNSAMPLE
static int	MAX_VALUE
static boolean	MONO
static boolean	MOTOROLA
static double	MULTIPLY
static boolean	NORMALIZE
static boolean	PRESCAN
static boolean	RESET
static byte[]	RIFF
static boolean	WAVE

Constructor Summary

MpaDecoder()

Method Summary

static int	check_sync()
static int	decode_layer1()
static int	decode_layer2()
static byte[]	decodeArray(byte[] data)
static void	deleteAiff(java.lang.String file)
static void	deleteRIFF(java.lang.String file)
static void	fillAiff(java.lang.String file, long playtime, boolean fade, int fade_millis)
static void	fillRIFF(java.lang.String file, boolean fade, int fade_millis)
static void	flushbits(int N)
static void	flushBuffer(int N)
static byte[]	get2ndArray()
static int	getbits(int N)
static void	init_work(int resample_type)
static void	loadbits(int size) public static void loadbits(int size) { BitPos = BufferPos<<3; BufferPos += size; } public static int getbits(int N) { int Pos, Val; Pos = BitPos>>>3; Val = (0xFF&buf[Pos])<<24 | (0xFF&buf[Pos+1])<<16 | (0xFF&buf[Pos+2])<<8 | (0xFF&buf[Pos+3]); Val <<= BitPos & 7; Val >>>= 32-N; BitPos += N; return Val; }
static int	parse_header()
static int	showbits(int N)
static void	silentSamples(int new_sampling_frequency)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

RIFF

public static byte[] RIFF

AIFF

public static byte[] AIFF

PRESCAN

public static boolean PRESCAN

MOTOROLA

public static boolean MOTOROLA

DOWNSAMPLE

public static boolean DOWNSAMPLE

DOWNMIX

public static boolean DOWNMIX

WAVE

public static boolean WAVE

MONO

public static boolean MONO

RESET

public static boolean RESET

NORMALIZE

public static boolean NORMALIZE

MULTIPLY

public static double MULTIPLY

MAX_VALUE

public static int MAX_VALUE

Constructor Detail

MpaDecoder

public MpaDecoder()

Method Detail

check_sync

public static int check_sync()

loadbits

public static void loadbits(int size)

public static void loadbits(int size) { BitPos = BufferPos<<3; BufferPos += size; } public static int getbits(int N) { int Pos, Val; Pos = BitPos>>>3; Val = (0xFF&buf[Pos])<<24 | (0xFF&buf[Pos+1])<<16 | (0xFF&buf[Pos+2])<<8 | (0xFF&buf[Pos+3]); Val <<= BitPos & 7; Val >>>= 32-N; BitPos += N; return Val; }

getbits

public static int getbits(int N)

showbits

public static int showbits(int N)

flushbits

public static void flushbits(int N)

flushBuffer

public static void flushBuffer(int N)

parse_header

public static int parse_header()

decode_layer2

public static int decode_layer2()
                         throws java.io.IOException

decode_layer1

public static int decode_layer1()
                         throws java.io.IOException

init_work

public static void init_work(int resample_type)

fillAiff

public static void fillAiff(java.lang.String file,
                            long playtime,
                            boolean fade,
                            int fade_millis)
                     throws java.io.IOException

deleteAiff

public static void deleteAiff(java.lang.String file)
                       throws java.io.IOException

fillRIFF

public static void fillRIFF(java.lang.String file,
                            boolean fade,
                            int fade_millis)
                     throws java.io.IOException

deleteRIFF

public static void deleteRIFF(java.lang.String file)
                       throws java.io.IOException

silentSamples

public static void silentSamples(int new_sampling_frequency)
                          throws java.io.IOException

decodeArray

public static byte[] decodeArray(byte[] data)

get2ndArray

public static byte[] get2ndArray()