/****************************************************************************** * * * Copyright (c) 1999-2004 Wimba S.A., All Rights Reserved. * * * * COPYRIGHT: * * This software is the property of Wimba S.A. * * This software is redistributed under the Xiph.org variant of * * the BSD license. * * Redistribution and use in source and binary forms, with or without * * modification, are permitted provided that the following conditions * * are met: * * - Redistributions of source code must retain the above copyright * * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * * notice, this list of conditions and the following disclaimer in the * * documentation and/or other materials provided with the distribution. * * - Neither the name of Wimba, the Xiph.org Foundation nor the names of * * its contributors may be used to endorse or promote products derived * * from this software without specific prior written permission. * * * * WARRANTIES: * * This software is made available by the authors in the hope * * that it will be useful, but without any warranty. * * Wimba S.A. is not liable for any consequence related to the * * use of the provided software. * * * * Class: TestJSpeexCodec.java * * * * Author: Marc GIMPEL * * * * Date: 21st October 2004 * * * ******************************************************************************/ /* $Id: TestJSpeexCodec.java,v 1.1 2004/10/21 16:21:58 mgimpel Exp $ */ import java.io.File; import java.io.IOException; import junit.framework.Test; import junit.framework.TestCase; import junit.framework.TestSuite; import org.xiph.speex.WaveToolbox; /** * JUnit Tests for JSpeex. * * Tests Encoding and decoding of various Wave files (silence, 440 Hz Sine wave * and Gaussian White Noise) using the command line encoder. * * @author Marc Gimpel, Wimba S.A. (mgimpel@horizonwimba.com) * @version $Revision: 1.1 $ */ public class TestJSpeexCodec extends TestCase { /** Directory where audio generated by the tests are outputed. */ public static final String AUDIO_OUTPUT_DIRECTORY = "temp" + File.separator; /** * Constructor * @param arg0 */ public TestJSpeexCodec(String arg0) { super(arg0); } /** * Command line entrance. * @param args */ public static void main(String[] args) { junit.textui.TestRunner.run(TestJSpeexCodec.suite()); } /////////////////////////////////////////////////////////////////////////// // TestCase classes to override /////////////////////////////////////////////////////////////////////////// /** * */ protected void setUp() { } /** * */ protected void tearDown() { } /** * */ // protected void runTest() // { // } /** * Builds the Test Suite. * @return the Test Suite. */ public static Test suite() { return new TestSuite(TestJSpeexCodec.class); } /////////////////////////////////////////////////////////////////////////// // Tests /////////////////////////////////////////////////////////////////////////// /** * Tests encoding and decoding of 8kHz Mono Audio Signals. */ public void test8kHzMono() { encodeDecodeSine("sin8m", 0, 8000, 1, false); encodeDecodeSine("sin8mv", 0, 8000, 1, true); encodeDecodeNoise("gwn8m", 0, 8000, 1, false); encodeDecodeNoise("gwn8mv", 0, 8000, 1, true); encodeDecodeSilence("blank8m", 0, 8000, 1, false); encodeDecodeSilence("blank8mv", 0, 8000, 1, true); } /** * Tests encoding and decoding of 11kHz Mono Audio Signals. */ public void test11kHzMono() { encodeDecodeSine("sin11m", 0, 11025, 1, false); encodeDecodeSine("sin11mv", 0, 11025, 1, true); encodeDecodeNoise("gwn11m", 0, 11025, 1, false); encodeDecodeNoise("gwn11mv", 0, 11025, 1, true); encodeDecodeSilence("blank11m", 0, 11025, 1, false); encodeDecodeSilence("blank11mv", 0, 11025, 1, true); } /** * Tests encoding and decoding of an 16kHz Mono Sine Audio Signal (440 Hz). */ public void test16kHzMono() { encodeDecodeSine("sin16m", 1, 16000, 1, false); encodeDecodeSine("sin16mv", 1, 16000, 1, true); encodeDecodeNoise("gwn16m", 1, 16000, 1, false); encodeDecodeNoise("gwn16mv", 1, 16000, 1, true); encodeDecodeSilence("blank16m", 1, 16000, 1, false); encodeDecodeSilence("blank16mv", 1, 16000, 1, true); } /** * Tests encoding and decoding of an 22kHz Mono Sine Audio Signal (440 Hz). */ public void test22kHzMono() { encodeDecodeSine("sin22m", 1, 22050, 1, false); encodeDecodeSine("sin22mv", 1, 22050, 1, true); encodeDecodeNoise("gwn22m", 1, 22050, 1, false); encodeDecodeNoise("gwn22mv", 1, 22050, 1, true); encodeDecodeSilence("blank22m", 1, 22050, 1, false); encodeDecodeSilence("blank22mv", 1, 22050, 1, true); } /** * Tests encoding and decoding of an 32kHz Mono Sine Audio Signal (440 Hz). */ public void test32kHzMono() { encodeDecodeSine("sin32m", 2, 32000, 1, false); encodeDecodeSine("sin32mv", 2, 32000, 1, true); encodeDecodeNoise("gwn32m", 2, 32000, 1, false); encodeDecodeNoise("gwn32mv", 2, 32000, 1, true); encodeDecodeSilence("blank32m", 2, 32000, 1, false); encodeDecodeSilence("blank32mv", 2, 32000, 1, true); } /** * Tests encoding and decoding of an 44kHz Mono Sine Audio Signal (440 Hz). */ public void test44kHzMono() { encodeDecodeSine("sin44m", 2, 44100, 1, false); encodeDecodeSine("sin44mv", 2, 44100, 1, true); encodeDecodeNoise("gwn44m", 2, 44100, 1, false); encodeDecodeNoise("gwn44mv", 2, 44100, 1, true); encodeDecodeSilence("blank44m", 2, 44100, 1, false); encodeDecodeSilence("blank44mv", 2, 44100, 1, true); } /** * Tests encoding and decoding of an 8kHz Stereo Sine Audio Signal (440 Hz). */ public void test8kHzStereo() { encodeDecodeSine("sin8s", 0, 8000, 2, false); encodeDecodeSine("sin8sv", 0, 8000, 2, true); encodeDecodeNoise("gwn8s", 0, 8000, 2, false); encodeDecodeNoise("gwn8sv", 0, 8000, 2, true); encodeDecodeSilence("blank8s", 0, 8000, 2, false); encodeDecodeSilence("blank8sv", 0, 8000, 2, true); } /** * Tests encoding and decoding of an 11kHz Stereo Sine Audio Signal (440 Hz). */ public void test11kHzStereo() { encodeDecodeSine("sin11s", 0, 11025, 2, false); encodeDecodeSine("sin11sv", 0, 11025, 2, true); encodeDecodeNoise("gwn11s", 0, 11025, 2, false); encodeDecodeNoise("gwn11sv", 0, 11025, 2, true); encodeDecodeSilence("blank11s", 0, 11025, 2, false); encodeDecodeSilence("blank11sv", 0, 11025, 2, true); } /** * Tests encoding and decoding of an 16kHz Stereo Sine Audio Signal (440 Hz). */ public void test16kHzStereo() { encodeDecodeSine("sin16s", 1, 16000, 2, false); encodeDecodeSine("sin16sv", 1, 16000, 2, true); encodeDecodeNoise("gwn16s", 1, 16000, 2, false); encodeDecodeNoise("gwn16sv", 1, 16000, 2, true); encodeDecodeSilence("blank16s", 1, 16000, 2, false); encodeDecodeSilence("blank16sv", 1, 16000, 2, true); } /** * Tests encoding and decoding of an 22kHz Stereo Sine Audio Signal (440 Hz). */ public void test22kHzStereo() { encodeDecodeSine("sin22s", 1, 22050, 2, false); encodeDecodeSine("sin22sv", 1, 22050, 2, true); encodeDecodeNoise("gwn22s", 1, 22050, 2, false); encodeDecodeNoise("gwn22sv", 1, 22050, 2, true); encodeDecodeSilence("blank22s", 1, 22050, 2, false); encodeDecodeSilence("blank22sv", 1, 22050, 2, true); } /** * Tests encoding and decoding of an 32kHz Stereo Sine Audio Signal (440 Hz). */ public void test32kHzStereo() { encodeDecodeSine("sin32s", 2, 32000, 2, false); encodeDecodeSine("sin32sv", 2, 32000, 2, true); encodeDecodeNoise("gwn32s", 2, 32000, 2, false); encodeDecodeNoise("gwn32sv", 2, 32000, 2, true); encodeDecodeSilence("blank32s", 2, 32000, 2, false); encodeDecodeSilence("blank32sv", 2, 32000, 2, true); } /** * Tests encoding and decoding of an 44kHz Stereo Sine Audio Signal (440 Hz). */ public void test44kHzStereo() { encodeDecodeSine("sin44s", 2, 44100, 2, false); encodeDecodeSine("sin44sv", 2, 44100, 2, true); encodeDecodeNoise("gwn44s", 2, 44100, 2, false); encodeDecodeNoise("gwn44sv", 2, 44100, 2, true); encodeDecodeSilence("blank44s", 2, 44100, 2, false); encodeDecodeSilence("blank44sv", 2, 44100, 2, true); } /////////////////////////////////////////////////////////////////////////// // Build and Test Encoders and Decoders /////////////////////////////////////////////////////////////////////////// /** * Tests encoding and decoding of Silence. * @param filename * @param mode * @param sampleRate * @param channels * @param vbr */ protected static void encodeDecodeSilence(String filename, final int mode, final int sampleRate, final int channels, final boolean vbr) { filename = AUDIO_OUTPUT_DIRECTORY + filename; // Setup Source try { WaveToolbox.generateSilenceWaveFile(filename+".wav", channels, sampleRate, 5 * sampleRate); } catch (IOException e) { fail("Unable to generate input audio file"); } // Encode Audio JSpeexEnc enc = buildEncoder(filename, mode, sampleRate, channels, vbr); try { enc.encode(); } catch (IOException e) { fail("Unable to encode audio file"); } // Decode Audio JSpeexDec dec = buildDecoder(filename); try { dec.decode(); } catch (IOException e) { fail("Unable to decode audio file"); } } /** * Tests encoding and decoding of Gaussian White Noise. * @param filename * @param mode * @param sampleRate * @param channels * @param vbr */ protected static void encodeDecodeNoise(String filename, final int mode, final int sampleRate, final int channels, final boolean vbr) { filename = AUDIO_OUTPUT_DIRECTORY + filename; // Setup Source File try { WaveToolbox.generateWhiteNoiseWaveFile(filename+".wav", channels, sampleRate, 5 * sampleRate, 22000); } catch (IOException e) { fail("Unable to generate input audio file"); } // Encode Audio JSpeexEnc enc = buildEncoder(filename, mode, sampleRate, channels, vbr); try { enc.encode(); } catch (IOException e) { fail("Unable to encode audio file"); } // Decode Audio JSpeexDec dec = buildDecoder(filename); try { dec.decode(); } catch (IOException e) { fail("Unable to decode audio file"); } } /** * Tests encoding and decoding of a Sine Audio Signal (440 Hz). * @param filename * @param mode * @param sampleRate * @param channels * @param vbr */ protected static void encodeDecodeSine(String filename, final int mode, final int sampleRate, final int channels, final boolean vbr) { filename = AUDIO_OUTPUT_DIRECTORY + filename; // Setup Source File 5s 440Hz (la) try { WaveToolbox.generateSineWaveFile(filename+".wav", channels, sampleRate, 5 * sampleRate, 30000, channels * sampleRate / 440); } catch (IOException e) { fail("Unable to generate input audio file"); } // Encode Audio JSpeexEnc enc = buildEncoder(filename, mode, sampleRate, channels, vbr); try { enc.encode(); } catch (IOException e) { fail("Unable to encode audio file"); } // Decode Audio JSpeexDec dec = buildDecoder(filename); try { dec.decode(); } catch (IOException e) { fail("Unable to decode audio file"); } } /** * Build JSpeex Encoder for the given filename. * @param filename * @param mode * @param sampleRate * @param channels * @return JSpeex Encoder for the given filename. */ protected static JSpeexEnc buildEncoder(final String filename, final int mode, final int sampleRate, final int channels, final boolean vbr) { JSpeexEnc enc = new JSpeexEnc(); enc.srcFile = filename+".wav"; enc.destFile = filename+".spx"; enc.srcFormat = JSpeexEnc.FILE_FORMAT_WAVE; enc.destFormat = JSpeexEnc.FILE_FORMAT_OGG; enc.printlevel = JSpeexEnc.ERROR; enc.mode = mode; // Narrowband //enc.vbr_quality = 8f; // default 8 //enc.quality = 8; // default 8 //enc.complexity = 3; // default 3 //enc.nframes = 1; // default 1 enc.vbr = vbr; // default false //enc.vad = false; // default false //enc.dtx = false; // default false enc.sampleRate = sampleRate; enc.channels = channels; return enc; } /** * Build JSpeex Decoder for the given filename. * @param filename filename without extention of file to decode. * @return JSpeex Decoder for the given filename. */ protected static JSpeexDec buildDecoder(final String filename) { JSpeexDec dec = new JSpeexDec(); dec.srcFile = filename+".spx"; dec.destFile = filename+"-encdec.wav"; dec.srcFormat = JSpeexDec.FILE_FORMAT_OGG; dec.destFormat = JSpeexDec.FILE_FORMAT_WAVE; dec.printlevel = JSpeexDec.ERROR; dec.enhanced = true; return dec; } }