WaveFloatFileWriter.java 文件源码

public void write(AudioInputStream stream, RIFFWriter writer)
        throws IOException {

    RIFFWriter fmt_chunk = writer.writeChunk("fmt ");

    AudioFormat format = stream.getFormat();
    fmt_chunk.writeUnsignedShort(3); // WAVE_FORMAT_IEEE_FLOAT
    fmt_chunk.writeUnsignedShort(format.getChannels());
    fmt_chunk.writeUnsignedInt((int) format.getSampleRate());
    fmt_chunk.writeUnsignedInt(((int) format.getFrameRate())
            * format.getFrameSize());
    fmt_chunk.writeUnsignedShort(format.getFrameSize());
    fmt_chunk.writeUnsignedShort(format.getSampleSizeInBits());
    fmt_chunk.close();
    RIFFWriter data_chunk = writer.writeChunk("data");
    byte[] buff = new byte[1024];
    int len;
    while ((len = stream.read(buff, 0, buff.length)) != -1)
        data_chunk.write(buff, 0, len);
    data_chunk.close();
}