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AudioContentTests.cs
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// MonoGame - Copyright (C) MonoGame Foundation, Inc
// This file is subject to the terms and conditions defined in
// file 'LICENSE.txt', which is part of this source code package.
using System;
using System.IO;
using System.Linq;
using Microsoft.Xna.Framework.Content.Pipeline;
using Microsoft.Xna.Framework.Content.Pipeline.Audio;
using NUnit.Framework;
namespace MonoGame.Tests.ContentPipeline
{
[Category("Audio")]
class AudioContentTests
{
[Test]
public void Ctors()
{
// Test bad file names.
Assert.Throws<InvalidContentException>(() => new AudioContent(null, AudioFileType.Wav));
Assert.Throws<InvalidContentException>(() => new AudioContent("", AudioFileType.Wav));
Assert.Throws<InvalidContentException>(() => new AudioContent(@"Not/A/File", AudioFileType.Wav));
// Test invalid file types.
Assert.Throws<InvalidContentException>(() => new AudioContent(@"Assets/Audio/blast_mono.wav", AudioFileType.Mp3));
Assert.Throws<InvalidContentException>(() => new AudioContent(@"Assets/Audio/blast_mono.wav", AudioFileType.Wma));
Assert.Throws<InvalidContentException>(() => new AudioContent(@"Assets/Audio/rock_loop_stereo.wma", AudioFileType.Wav));
Assert.Throws<InvalidContentException>(() => new AudioContent(@"Assets/Audio/rock_loop_stereo.mp3", AudioFileType.Wav));
// This for some reason does not throw!
new AudioContent(@"Assets/Audio/rock_loop_stereo.wma", AudioFileType.Mp3);
new AudioContent(@"Assets/Audio/rock_loop_stereo.mp3", AudioFileType.Wma);
}
[Test]
public void WavFile()
{
var content = new AudioContent(@"Assets/Audio/blast_mono.wav", AudioFileType.Wav);
Assert.AreEqual(@"Assets/Audio/blast_mono.wav", content.FileName);
Assert.AreEqual(AudioFileType.Wav, content.FileType);
Assert.IsNull(content.Identity);
Assert.AreEqual(0, content.LoopStart);
Assert.AreEqual(315970, content.LoopLength);
Assert.AreEqual(71640000, content.Duration.Ticks);
var format = content.Format;
Assert.IsNotNull(format);
Assert.AreEqual(1, format.Format);
Assert.AreEqual(1, format.ChannelCount);
Assert.AreEqual(44100, format.SampleRate);
Assert.AreEqual(88200, format.AverageBytesPerSecond);
Assert.AreEqual(2, format.BlockAlign);
Assert.AreEqual(16, format.BitsPerSample);
Assert.IsNotNull(format.NativeWaveFormat);
Assert.AreEqual(18, format.NativeWaveFormat.Count);
using (var reader = new BinaryReader(new MemoryStream(format.NativeWaveFormat.ToArray())))
{
var formatType = reader.ReadInt16();
var channels = reader.ReadInt16();
var sampleRate = reader.ReadInt32();
var averageBytesPerSecond = reader.ReadInt32();
var blockAlign = reader.ReadInt16();
var bitsPerSample = reader.ReadInt16();
var zero = reader.ReadInt16();
Assert.AreEqual(format.Format, formatType);
Assert.AreEqual(format.ChannelCount, channels);
Assert.AreEqual(format.SampleRate, sampleRate);
Assert.AreEqual(format.AverageBytesPerSecond, averageBytesPerSecond);
Assert.AreEqual(format.BlockAlign, blockAlign);
Assert.AreEqual(format.BitsPerSample, bitsPerSample);
Assert.AreEqual(0, zero);
}
var data = content.Data;
Assert.NotNull(data);
Assert.AreEqual(631940, data.Count);
// Seems like XNA just let the Data property throw
// an exception after it has been disposed.
content.Dispose();
Assert.Throws<InvalidContentException>(() => { var temp = content.Data; });
}
[Test]
public void Mp3File()
{
var content = new AudioContent(@"Assets/Audio/rock_loop_stereo.mp3", AudioFileType.Mp3);
Assert.AreEqual(@"Assets/Audio/rock_loop_stereo.mp3", content.FileName);
Assert.AreEqual(AudioFileType.Mp3, content.FileType);
Assert.IsNull(content.Identity);
Assert.AreEqual(0, content.LoopStart);
Assert.AreEqual(0, content.LoopLength);
Assert.AreEqual(79930000, content.Duration.Ticks);
var format = content.Format;
Assert.IsNotNull(format);
Assert.AreEqual(1, format.Format);
Assert.AreEqual(2, format.ChannelCount);
Assert.AreEqual(44100, format.SampleRate);
Assert.AreEqual(176400, format.AverageBytesPerSecond);
Assert.AreEqual(4, format.BlockAlign);
Assert.AreEqual(16, format.BitsPerSample);
Assert.IsNotNull(format.NativeWaveFormat);
Assert.AreEqual(18, format.NativeWaveFormat.Count);
using (var reader = new BinaryReader(new MemoryStream(format.NativeWaveFormat.ToArray())))
{
var formatType = reader.ReadInt16();
var channels = reader.ReadInt16();
var sampleRate = reader.ReadInt32();
var averageBytesPerSecond = reader.ReadInt32();
var blockAlign = reader.ReadInt16();
var bitsPerSample = reader.ReadInt16();
var zero = reader.ReadInt16();
Assert.AreEqual(format.Format, formatType);
Assert.AreEqual(format.ChannelCount, channels);
Assert.AreEqual(format.SampleRate, sampleRate);
Assert.AreEqual(format.AverageBytesPerSecond, averageBytesPerSecond);
Assert.AreEqual(format.BlockAlign, blockAlign);
Assert.AreEqual(format.BitsPerSample, bitsPerSample);
Assert.AreEqual(0, zero);
}
// For MP3 it seems the data is never availble.
Assert.Throws<InvalidContentException>(() => { var data = content.Data; });
// Seems like XNA just let the Data property throw
// an exception after it has been disposed.
content.Dispose();
Assert.Throws<InvalidContentException>(() => { var temp = content.Data; });
}
[Test]
public void WmaFile()
{
var content = new AudioContent(@"Assets/Audio/rock_loop_stereo.wma", AudioFileType.Wma);
Assert.AreEqual(@"Assets/Audio/rock_loop_stereo.wma", content.FileName);
Assert.AreEqual(AudioFileType.Wma, content.FileType);
Assert.IsNull(content.Identity);
Assert.AreEqual(0, content.LoopStart);
Assert.AreEqual(0, content.LoopLength);
Assert.AreEqual(99430000, content.Duration.Ticks);
var format = content.Format;
Assert.IsNotNull(format);
Assert.AreEqual(1, format.Format);
Assert.AreEqual(2, format.ChannelCount);
Assert.AreEqual(44100, format.SampleRate);
Assert.AreEqual(176400, format.AverageBytesPerSecond);
Assert.AreEqual(4, format.BlockAlign);
Assert.AreEqual(16, format.BitsPerSample);
Assert.IsNotNull(format.NativeWaveFormat);
Assert.AreEqual(18, format.NativeWaveFormat.Count);
using (var reader = new BinaryReader(new MemoryStream(format.NativeWaveFormat.ToArray())))
{
var formatType = reader.ReadInt16();
var channels = reader.ReadInt16();
var sampleRate = reader.ReadInt32();
var averageBytesPerSecond = reader.ReadInt32();
var blockAlign = reader.ReadInt16();
var bitsPerSample = reader.ReadInt16();
var zero = reader.ReadInt16();
Assert.AreEqual(format.Format, formatType);
Assert.AreEqual(format.ChannelCount, channels);
Assert.AreEqual(format.SampleRate, sampleRate);
Assert.AreEqual(format.AverageBytesPerSecond, averageBytesPerSecond);
Assert.AreEqual(format.BlockAlign, blockAlign);
Assert.AreEqual(format.BitsPerSample, bitsPerSample);
Assert.AreEqual(0, zero);
}
// For WMA it seems the data is never availble.
Assert.Throws<InvalidContentException>(() => { var data = content.Data; });
// Seems like XNA just let the Data property throw
// an exception after it has been disposed.
content.Dispose();
Assert.Throws<InvalidContentException>(() => { var temp = content.Data; });
}
private static int ToWavFormat(ConversionFormat format, int bitsPerSample)
{
switch (format)
{
case ConversionFormat.Pcm:
if (bitsPerSample == 32)
return 3;
return 1;
case ConversionFormat.Adpcm:
return 2;
case ConversionFormat.WindowsMedia:
case ConversionFormat.Xma:
default:
throw new ArgumentOutOfRangeException("format");
}
}
// 8bit PCM Mono -> PCM
[TestCase(@"Assets/Audio/bark_mono_44hz_8bit.wav", ConversionFormat.Pcm, ConversionQuality.Best, 1, 44100, 44100, 8, 1)]
[TestCase(@"Assets/Audio/bark_mono_44hz_8bit.wav", ConversionFormat.Pcm, ConversionQuality.Medium, 1, 33075, 33075, 8, 1)]
[TestCase(@"Assets/Audio/bark_mono_44hz_8bit.wav", ConversionFormat.Pcm, ConversionQuality.Low, 1, 22050, 22050, 8, 1)]
[TestCase(@"Assets/Audio/bark_mono_22hz_8bit.wav", ConversionFormat.Pcm, ConversionQuality.Best, 1, 22050, 22050, 8, 1)]
[TestCase(@"Assets/Audio/bark_mono_22hz_8bit.wav", ConversionFormat.Pcm, ConversionQuality.Medium, 1, 16537, 16537, 8, 1)]
[TestCase(@"Assets/Audio/bark_mono_22hz_8bit.wav", ConversionFormat.Pcm, ConversionQuality.Low, 1, 11025, 11025, 8, 1)]
[TestCase(@"Assets/Audio/bark_mono_11hz_8bit.wav", ConversionFormat.Pcm, ConversionQuality.Best, 1, 11025, 11025, 8, 1)]
[TestCase(@"Assets/Audio/bark_mono_11hz_8bit.wav", ConversionFormat.Pcm, ConversionQuality.Medium, 1, 8268, 8268, 8, 1)]
[TestCase(@"Assets/Audio/bark_mono_11hz_8bit.wav", ConversionFormat.Pcm, ConversionQuality.Low, 1, 8000, 8000, 8, 1)]
// 8bit PCM Mono -> ADPCM
[TestCase(@"Assets/Audio/bark_mono_44hz_8bit.wav", ConversionFormat.Adpcm, ConversionQuality.Best, 1, 24104, 44077, 4, 70)]
[TestCase(@"Assets/Audio/bark_mono_44hz_8bit.wav", ConversionFormat.Adpcm, ConversionQuality.Medium, 1, 24104, 44077, 4, 70)]
[TestCase(@"Assets/Audio/bark_mono_44hz_8bit.wav", ConversionFormat.Adpcm, ConversionQuality.Low, 1, 12073, 22078, 4, 70)]
[TestCase(@"Assets/Audio/bark_mono_22hz_8bit.wav", ConversionFormat.Adpcm, ConversionQuality.Best, 1, 12073, 22077, 4, 70)]
[TestCase(@"Assets/Audio/bark_mono_22hz_8bit.wav", ConversionFormat.Adpcm, ConversionQuality.Medium, 1, 12073, 22077, 4, 70)]
[TestCase(@"Assets/Audio/bark_mono_22hz_8bit.wav", ConversionFormat.Adpcm, ConversionQuality.Low, 1, 6036, 11039, 4, 70)]
[TestCase(@"Assets/Audio/bark_mono_11hz_8bit.wav", ConversionFormat.Adpcm, ConversionQuality.Best, 1, 6036, 11039, 4, 70)]
[TestCase(@"Assets/Audio/bark_mono_11hz_8bit.wav", ConversionFormat.Adpcm, ConversionQuality.Medium, 1, 6036, 11039, 4, 70)]
[TestCase(@"Assets/Audio/bark_mono_11hz_8bit.wav", ConversionFormat.Adpcm, ConversionQuality.Low, 1, 4386, 8021, 4, 70)]
// 16bit PCM Mono -> PCM
[TestCase(@"Assets/Audio/blast_mono.wav", ConversionFormat.Pcm, ConversionQuality.Best, 1, 88200, 44100, 16, 2)]
[TestCase(@"Assets/Audio/blast_mono.wav", ConversionFormat.Pcm, ConversionQuality.Medium, 1, 66150, 33075, 16, 2)]
[TestCase(@"Assets/Audio/blast_mono.wav", ConversionFormat.Pcm, ConversionQuality.Low, 1, 44100, 22050, 16, 2)]
[TestCase(@"Assets/Audio/blast_mono_22hz.wav", ConversionFormat.Pcm, ConversionQuality.Best, 1, 44100, 22050, 16, 2)]
[TestCase(@"Assets/Audio/blast_mono_22hz.wav", ConversionFormat.Pcm, ConversionQuality.Medium, 1, 33074, 16537, 16, 2)]
[TestCase(@"Assets/Audio/blast_mono_22hz.wav", ConversionFormat.Pcm, ConversionQuality.Low, 1, 22050, 11025, 16, 2)]
[TestCase(@"Assets/Audio/blast_mono_11hz.wav", ConversionFormat.Pcm, ConversionQuality.Best, 1, 22050, 11025, 16, 2)]
[TestCase(@"Assets/Audio/blast_mono_11hz.wav", ConversionFormat.Pcm, ConversionQuality.Medium, 1, 16536, 8268, 16, 2)]
[TestCase(@"Assets/Audio/blast_mono_11hz.wav", ConversionFormat.Pcm, ConversionQuality.Low, 1, 16000, 8000, 16, 2)]
// 16bit PCM Stereo -> PCM
[TestCase(@"Assets/Audio/rock_loop_stereo.wav", ConversionFormat.Pcm, ConversionQuality.Best, 2, 176400, 44100, 16, 4)]
[TestCase(@"Assets/Audio/rock_loop_stereo.wav", ConversionFormat.Pcm, ConversionQuality.Medium, 2, 132300, 33075, 16, 4)]
[TestCase(@"Assets/Audio/rock_loop_stereo.wav", ConversionFormat.Pcm, ConversionQuality.Low, 2, 88200, 22050, 16, 4)]
[TestCase(@"Assets/Audio/rock_loop_stereo_22hz.wav", ConversionFormat.Pcm, ConversionQuality.Best, 2, 88200, 22050, 16, 4)]
[TestCase(@"Assets/Audio/rock_loop_stereo_22hz.wav", ConversionFormat.Pcm, ConversionQuality.Medium, 2, 66148, 16537, 16, 4)]
[TestCase(@"Assets/Audio/rock_loop_stereo_22hz.wav", ConversionFormat.Pcm, ConversionQuality.Low, 2, 44100, 11025, 16, 4)]
[TestCase(@"Assets/Audio/rock_loop_stereo_11hz.wav", ConversionFormat.Pcm, ConversionQuality.Best, 2, 44100, 11025, 16, 4)]
[TestCase(@"Assets/Audio/rock_loop_stereo_11hz.wav", ConversionFormat.Pcm, ConversionQuality.Medium, 2, 33072, 8268, 16, 4)]
[TestCase(@"Assets/Audio/rock_loop_stereo_11hz.wav", ConversionFormat.Pcm, ConversionQuality.Low, 2, 32000, 8000, 16, 4)]
// 16bit PCM Mono -> ADPCM
[TestCase(@"Assets/Audio/blast_mono.wav", ConversionFormat.Adpcm, ConversionQuality.Best, 1, 24121, 44108, 4, 70)]
[TestCase(@"Assets/Audio/blast_mono.wav", ConversionFormat.Adpcm, ConversionQuality.Medium, 1, 24121, 44108, 4, 70)]
[TestCase(@"Assets/Audio/blast_mono.wav", ConversionFormat.Adpcm, ConversionQuality.Low, 1, 12055, 22045, 4, 70)]
[TestCase(@"Assets/Audio/blast_mono_22hz.wav", ConversionFormat.Adpcm, ConversionQuality.Best, 1, 12055, 22045, 4, 70)]
[TestCase(@"Assets/Audio/blast_mono_22hz.wav", ConversionFormat.Adpcm, ConversionQuality.Medium, 1, 12055, 22045, 4, 70)]
[TestCase(@"Assets/Audio/blast_mono_22hz.wav", ConversionFormat.Adpcm, ConversionQuality.Low, 1, 6027, 11022, 4, 70)]
[TestCase(@"Assets/Audio/blast_mono_11hz.wav", ConversionFormat.Adpcm, ConversionQuality.Best, 1, 6027, 11022, 4, 70)]
[TestCase(@"Assets/Audio/blast_mono_11hz.wav", ConversionFormat.Adpcm, ConversionQuality.Medium, 1, 6027, 11022, 4, 70)]
[TestCase(@"Assets/Audio/blast_mono_11hz.wav", ConversionFormat.Adpcm, ConversionQuality.Low, 1, 4376, 8003, 4, 70)]
// 16bit PCM Stereo -> ADPCM
[TestCase(@"Assets/Audio/rock_loop_stereo.wav", ConversionFormat.Adpcm, ConversionQuality.Best, 2, 48240, 44106, 4, 140)]
[TestCase(@"Assets/Audio/rock_loop_stereo.wav", ConversionFormat.Adpcm, ConversionQuality.Medium, 2, 48240, 44106, 4, 140)]
[TestCase(@"Assets/Audio/rock_loop_stereo.wav", ConversionFormat.Adpcm, ConversionQuality.Low, 2, 24120, 22053, 4, 140)]
[TestCase(@"Assets/Audio/rock_loop_stereo_22hz.wav", ConversionFormat.Adpcm, ConversionQuality.Best, 2, 24120, 22053, 4, 140)]
[TestCase(@"Assets/Audio/rock_loop_stereo_22hz.wav", ConversionFormat.Adpcm, ConversionQuality.Medium, 2, 24120, 22053, 4, 140)]
[TestCase(@"Assets/Audio/rock_loop_stereo_22hz.wav", ConversionFormat.Adpcm, ConversionQuality.Low, 2, 12059, 11026, 4, 140)]
[TestCase(@"Assets/Audio/rock_loop_stereo_11hz.wav", ConversionFormat.Adpcm, ConversionQuality.Best, 2, 12059, 11026, 4, 140)]
[TestCase(@"Assets/Audio/rock_loop_stereo_11hz.wav", ConversionFormat.Adpcm, ConversionQuality.Medium, 2, 12059, 11026, 4, 140)]
[TestCase(@"Assets/Audio/rock_loop_stereo_11hz.wav", ConversionFormat.Adpcm, ConversionQuality.Low, 2, 8744, 7995, 4, 140)]
// 32bit IEEE Float PCM Mono
[TestCase(@"Assets/Audio/tone_mono_44khz_float.wav", ConversionFormat.Pcm, ConversionQuality.Best, 1, 176400, 44100, 32, 4)]
[TestCase(@"Assets/Audio/tone_mono_44khz_float.wav", ConversionFormat.Adpcm, ConversionQuality.Medium, 1, 44100, 44100, 4, 70)]
// 32bit IEEE Float PCM Stereo
[TestCase(@"Assets/Audio/tone_stereo_44khz_float.wav", ConversionFormat.Pcm, ConversionQuality.Best, 2, 352800, 44100, 32, 8)]
[TestCase(@"Assets/Audio/tone_stereo_44khz_float.wav", ConversionFormat.Adpcm, ConversionQuality.Medium, 2, 44100, 44100, 4, 140)]
#if XNA
// XNA passes 24-bit through as 24-bit in high quality, but cannot convert 24-bit to ADPCM
// 24bit PCM Mono
[TestCase(@"Assets/Audio/tone_mono_44khz_24bit.wav", ConversionFormat.Pcm, ConversionQuality.Best, 1, 132300, 44100, 24, 3)]
// 24bit PCM Stereo
[TestCase(@"Assets/Audio/tone_stereo_44khz_24bit.wav", ConversionFormat.Pcm, ConversionQuality.Best, 2, 264600, 44100, 24, 6)]
#else
// MonoGame converts 24-bit sounds to 16-bit
// 24bit PCM Mono
[TestCase(@"Assets/Audio/tone_mono_44khz_24bit.wav", ConversionFormat.Pcm, ConversionQuality.Best, 1, 88200, 44100, 16, 2)]
[TestCase(@"Assets/Audio/tone_mono_44khz_24bit.wav", ConversionFormat.Adpcm, ConversionQuality.Medium, 1, 44100, 44100, 4, 70)]
[TestCase(@"Assets/Audio/tone_mono_44khz_24bit.wav", ConversionFormat.Adpcm, ConversionQuality.Low, 1, 44100, 44100, 4, 70)]
// 24bit PCM Stereo
[TestCase(@"Assets/Audio/tone_stereo_44khz_24bit.wav", ConversionFormat.Pcm, ConversionQuality.Best, 2, 176400, 44100, 16, 4)]
[TestCase(@"Assets/Audio/tone_stereo_44khz_24bit.wav", ConversionFormat.Adpcm, ConversionQuality.Medium, 2, 44100, 44100, 4, 140)]
[TestCase(@"Assets/Audio/tone_stereo_44khz_24bit.wav", ConversionFormat.Adpcm, ConversionQuality.Low, 2, 44100, 44100, 4, 140)]
// XNA cannot convert 32-bit float to low quality ADPCM, so include these tests here
// 32bit IEEE Float PCM Mono
[TestCase(@"Assets/Audio/tone_mono_44khz_float.wav", ConversionFormat.Adpcm, ConversionQuality.Low, 1, 44100, 44100, 4, 70)]
// 32bit IEEE Float PCM Stereo
[TestCase(@"Assets/Audio/tone_stereo_44khz_float.wav", ConversionFormat.Adpcm, ConversionQuality.Low, 2, 44100, 44100, 4, 140)]
#endif
public void ConvertAudio(string sourceFile, ConversionFormat format, ConversionQuality quality, int channels, int averageBytesPerSecond, int sampleRate, int bitsPerSample, int blockAlign)
{
var content = new AudioContent(sourceFile, AudioFileType.Wav);
content.ConvertFormat(format, quality, null);
Assert.AreEqual(ToWavFormat(format, content.Format.BitsPerSample), content.Format.Format);
Assert.AreEqual(channels, content.Format.ChannelCount);
Assert.AreEqual(bitsPerSample, content.Format.BitsPerSample);
// TODO: We don't quite match right with XNA on these.
// We should look to fix this for 100% compatibility.
if (format != ConversionFormat.Adpcm)
{
Assert.AreEqual(sampleRate, content.Format.SampleRate);
Assert.AreEqual(averageBytesPerSecond, content.Format.AverageBytesPerSecond);
Assert.AreEqual(blockAlign, content.Format.BlockAlign);
}
content.Dispose();
}
}
}