mediaframe.mpeg1
Class AudioFrame

java.lang.Object
  |
  +--mediaframe.mpeg1.DataFrame
        |
        +--mediaframe.mpeg1.AudioFrame

public class AudioFrame

extends DataFrame

The AudioFrame class represents one frame of audio data. It extends the DataFrame class and contains methods for reading the audio packet.

Field Summary

private DataBuffer

audioBuffer The buffer for audio data.

Fields inherited from class mediaframe.mpeg1.DataFrame

_eof, _time_stamp, _type, B_FRAME, file_position, GOP_START, I_FRAME, MASK, P_FRAME, SEQ_START, size, TYPE_AUDIO

Constructor Summary

AudioFrame(long time, DataBuffer audioBuffer)
Constructs the AudioFrame object with the specified time stamp and the buffer for audio data (DataBuffer object).

Method Summary

long	fill(java.io.InputStream is, long next32) This routine reads audio data into the buffer from the input stream to byte which equals 1 or until the end of file will be reached.

Methods inherited from class mediaframe.mpeg1.DataFrame

getFilePosition, getFirstDataBlock, getTimeStamp, getType, setType

Methods inherited from class java.lang.Object

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

Field Detail

audioBuffer

private DataBuffer audioBuffer

The buffer for audio data.

Constructor Detail

AudioFrame

public AudioFrame(long time,
                  DataBuffer audioBuffer)

Constructs the AudioFrame object with the specified time stamp and the buffer for audio data (DataBuffer object).

Parameters:

time - the time stamp of the frame.

audioBuffer - the buffer for audio data.

Method Detail

fill

public long fill(java.io.InputStream is,
                 long next32)
          throws java.lang.Exception

This routine reads audio data into the buffer from the input stream to byte which equals 1 or until the end of file will be reached.

Parameters:

is - the input stream with movie's data.

next32 - the last 4 bytes from the input stream.

Returns:

the last 4 bytes in the stream

java.lang.Exception