Wavefile_UnitTest.cc File Reference

#include <Nsound/Nsound.h>
#include <Nsound/AudioStream.h>
#include <Nsound/Buffer.h>
#include <Nsound/Plotter.h>
#include <Nsound/Sine.h>
#include <Nsound/Wavefile.h>
#include "UnitTest.h"
#include <stdlib.h>
#include <iostream>

Include dependency graph for Wavefile_UnitTest.cc:

Go to the source code of this file.

Functions
void	Wavefile_UnitTest ()

Variables
static const char *	THIS_FILE = "Wavefile_UnitTest.cc"
static const float64	GAMMA = 1.5e-14

Function Documentation

void Wavefile_UnitTest

(

)

Definition at line 54 of file Wavefile_UnitTest.cc.

References Nsound::AudioStream::abs(), GAMMA, Nsound::Generator::generate(), Nsound::AudioStream::plot(), Nsound::Wavefile::setDefaultSampleSize(), Nsound::Plotter::show(), SUCCESS, TEST_ERROR_HEADER, TEST_HEADER, and THIS_FILE.

Referenced by main().

{
    cout << endl << THIS_FILE;

    Wavefile::setDefaultSampleSize(48);

    Sine sin(100);

    AudioStream data1(100, 3);

    data1 << sin.generate(1.0, 13.0);

    data1[1] *= 0.666666666666666;
    data1[2] *= 0.333333333333333;

    // Write out 10 channel 13 Hz wave.
    cout << TEST_HEADER << "Testing Wavefile::write(48-bit), read(48-bit) ..." << flush;

    data1 >> "test_wavefile.wav";

    AudioStream data(100, 3);

    data << "test_wavefile.wav";

    AudioStream gold(100, 3);

    // Create gold file
//~    data >> "gold/Wavefile_out1.wav";

    gold << "gold/Wavefile_out1.wav";

    AudioStream diff = data - gold;

    AudioStream abs_diff(diff);
    abs_diff.abs();

    for(int32 i = 0; i < 3; ++i)
    {
        if(abs_diff[i].getMax() > GAMMA)
        {
            cerr << TEST_ERROR_HEADER
                 << "Output did not match gold file!"
                 << endl;

            diff[i].plot("data - gold");
            data[i].plot("data");
            gold[i].plot("gold");

            Plotter::show();

            exit(1);
        }
    }

    cout << SUCCESS;

    // Write out 10 channel 13 Hz wave again but with 24 bits per sample
    cout << TEST_HEADER << "Testing Wavefile::write(24-bit), read(24-bit) ..." << flush;

    Wavefile::setDefaultSampleSize(24);

    data1 >> "test_wavefile2.wav";

    data = AudioStream(100, 3);
    data << "test_wavefile2.wav";

    // Create gold file
//~    data >> "gold/Wavefile_out2.wav";

    gold = AudioStream(100, 3);
    gold << "gold/Wavefile_out2.wav";

    diff = data - gold;

    abs_diff = diff;
    abs_diff.abs();

    for(int32 i = 0; i < 1; ++i)
    {
        if(abs_diff[i].getMax() > 0.5 * GAMMA)
        {
            cerr << TEST_ERROR_HEADER
                 << "Output did not match gold file!"
                 << endl;

            diff[i].plot("data - gold");
            data[i].plot("data");
            gold[i].plot("gold");

            Plotter::show();

            exit(1);
        }
    }

    cout << SUCCESS << endl;
}

Variable Documentation

const char* THIS_FILE = "Wavefile_UnitTest.cc"

static

Definition at line 49 of file Wavefile_UnitTest.cc.

Referenced by Wavefile_UnitTest().

const float64 GAMMA = 1.5e-14

static

Definition at line 51 of file Wavefile_UnitTest.cc.

Referenced by Wavefile_UnitTest().