Class WAVWriter

java.lang.Object
com.codename1.media.WAVWriter
All Implemented Interfaces:
AutoCloseable
public class WAVWriter extends Object implements AutoCloseable
A class that can write raw PCM data to a WAV file.

  • Constructor Summary

    Constructors
    Constructor
    Description
    WAVWriter(File outputFile, int samplingRate, int channels, int numBits)
    Creates a new writer for writing a WAV file.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    close()
    Closes the writer, and writes the WAV file.
    void
    write(float[] pcmData, int offset, int len)
    Writes PCM data to the file.

    Methods inherited from class Object

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

  • Constructor Details

    • WAVWriter

      public WAVWriter(File outputFile, int samplingRate, int channels, int numBits) throws IOException

      Creates a new writer for writing a WAV file.

      Parameters

      • outputFile: The output file.

      • samplingRate: The sampling rate. E.g. 44100

      • channels: The number of channels. E.g. 1 or 2

      • numBits: 8 or 16

      Throws
      • IOException
      Throws:
      IOException

  • Method Details

    • write

      public void write(float[] pcmData, int offset, int len) throws IOException

      Writes PCM data to the file.

      Parameters

      • pcmData: PCM data to write. These are float values between -1 and 1.

      • offset: Offset in pcmData array to start writing.

      • len: Length in pcmData array to write.

      Throws
      • IOException
      Throws:
      IOException

    • close

      public void close() throws Exception

      Closes the writer, and writes the WAV file.

      Throws
      • Exception
      Specified by:
      close in interface AutoCloseable
      Throws:
      Exception