WaveFile VA07 Task

WavFile.java

public class WavFile extends SampledFile {

             public WaveFile() {
                    super();
             }

             public WavFile(String path) {

             }

             public void readAndSetDurationFromFile() {

                    WavParamReader.readParams(getPathname());

                    float frameRate = WavParamReader.getFrameRate();
                    long numberofFrames = WavParamReader.getNumberOfFrames();

                    this.duration = computeDuration(frameRate, numberofFrames);
             }

             public static long computeDuration(float frameRate, long numberofFrames) {

                     //calculate duration in microseconds
                     double durationInSeconds = numberofFrames / frameRate;

                     long durationInMicroseconds = (long) (durationInSeconds * 1000000000);
                     return durationInMicroseconds;
             }

             @Override
             public String toString() {

                    return super.toString() + " - " + formatDuration();
             }
}