public void AudioBuffer_Persist()
{
byte[] rawBytes = new byte[] { 1, 2, 3, 4, 5, 6 };
var wf = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_APTX, 16000, 16, 2, 0, 16000);
AudioBuffer buffer = new AudioBuffer(rawBytes, wf);
AudioBuffer bresult = default(AudioBuffer);
var p1 = Pipeline.Create();
var store = Store.Create(p1, "audio", null);
Generators.Return(p1, buffer).Write("audio", store);
p1.RunAsync();
var p2 = Pipeline.Create();
var store2 = Store.Open(p2, "audio", null);
store2.OpenStream <AudioBuffer>("audio").Do(b => bresult = b);
p2.RunAsync();
System.Threading.Thread.Sleep(100);
p1.Dispose();
p2.Dispose();
Assert.AreEqual(6, bresult.Length);
Assert.AreEqual(6, bresult.Data.Length);
Assert.AreEqual(wf, bresult.Format);
CollectionAssert.AreEqual(rawBytes, bresult.Data);
}
public void WaveFormatEx_MarshalIncorrectNullExtraInfo()
{
// Create WaveFormat object
WaveFormat format = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 32, 2, 8, 384000, null);
// Fiddle with the length to make it non-zero
format.ExtraSize = 16;
// Write WaveFormat object out to a memory stream (should throw expected exception)
IntPtr formatPtr = Marshal.AllocHGlobal(WaveFormat.MarshalSizeOf(format));
WaveFormat.MarshalToPtr(format, formatPtr);
Marshal.FreeHGlobal(formatPtr);
}
public void WaveFormatEx_MarshalIncorrectExtraSize()
{
// Create WaveFormat object
byte[] extraInfo = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 };
WaveFormat format = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 32, 2, 8, 384000, extraInfo);
// Fiddle with the length to make it incorrect
format.ExtraSize = (ushort)(extraInfo.Length + 1);
// Write WaveFormat object out to a memory stream (should throw expected exception)
IntPtr formatPtr = Marshal.AllocHGlobal(WaveFormat.MarshalSizeOf(format));
WaveFormat.MarshalToPtr(format, formatPtr);
Marshal.FreeHGlobal(formatPtr);
}
public void AudioBuffer_Serialize()
{
byte[] rawBytes = new byte[] { 1, 2, 3, 4, 5, 6 };
var wf = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_APTX, 16000, 16, 2, 0, 16000);
AudioBuffer buffer = new AudioBuffer(rawBytes, wf);
var writer = new BufferWriter(100);
Serializer.Serialize(writer, buffer, new SerializationContext());
AudioBuffer bresult = default(AudioBuffer);
Serializer.Deserialize(new BufferReader(writer.Buffer), ref bresult, new SerializationContext());
Assert.AreEqual(6, bresult.Length);
Assert.AreEqual(6, bresult.Data.Length);
Assert.AreEqual(wf, bresult.Format);
CollectionAssert.AreEqual(rawBytes, bresult.Data);
}
public void WaveFormatEx_NullExtraInfo()
{
// Define "native" WAVEFORMATEX structure
byte[] formatBytes = new byte[]
{
0xfe, 0xff, // FormatTag = WAVE_FORMAT_EXTENSIBLE (0xfeff)
0x02, 0x00, // Channels = 2
0x80, 0xbb, 0x00, 0x00, // SamplesPerSec = 48000
0x00, 0xdc, 0x05, 0x00, // AvgBytesPerSec = 384000
0x08, 0x00, // BlockAlign = 8
0x20, 0x00, // BitsPerSample = 32
0x00, 0x00, // ExtraSize = 0
};
// Create equivalent managed WaveFormat object
WaveFormat format = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 32, 2, 8, 384000, null);
// Verify against expected
this.MarshalAndVerify(format, formatBytes);
}
public void WaveFormatEx_CreateCopy()
{
// Create WaveFormatEx object
byte[] extraInfo = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 };
WaveFormat format = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 32, 2, 8, 384000, extraInfo);
// Create a copy and check for equality
WaveFormat copy = WaveFormat.Create(format);
Assert.IsTrue(copy is WaveFormatEx);
Assert.AreEqual(format, copy);
// Create WaveFormatEx object (with no extra bytes)
format = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 32, 2, 8, 384000);
// Create a copy and check for equality
copy = WaveFormat.Create(format);
Assert.IsTrue(copy is WaveFormatEx);
Assert.AreEqual(format, copy);
}
public void WaveFormatEx_ReadWrite()
{
// Create WaveFormat object
byte[] extraInfo = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 };
WaveFormat format = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 32, 2, 8, 384000, extraInfo);
// Write WaveFormat object out to a memory stream
MemoryStream stream = new MemoryStream();
BinaryWriter writer = new BinaryWriter(stream);
format.WriteTo(writer);
// Verify written bytes for equality
byte[] streamBytes = stream.ToArray();
this.MarshalAndVerify(format, streamBytes);
// Read WaveFormat back from the stream and verify
stream.Seek(0, SeekOrigin.Begin);
WaveFormat copy = WaveFormat.FromStream(stream, Marshal.SizeOf <WaveFormat>() + extraInfo.Length);
Assert.AreEqual(format, copy);
}
public void WaveFormatEx_Create()
{
// Define "native" WAVEFORMATEX structure
byte[] formatBytes = new byte[]
{
0xfe, 0xff, // FormatTag = WAVE_FORMAT_EXTENSIBLE (0xfeff)
0x02, 0x00, // Channels = 2
0x80, 0xbb, 0x00, 0x00, // SamplesPerSec = 48000
0x00, 0xdc, 0x05, 0x00, // AvgBytesPerSec = 384000
0x08, 0x00, // BlockAlign = 8
0x20, 0x00, // BitsPerSample = 32
0x16, 0x00, // ExtraSize = 22
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, // ExtraInfo
};
// Create equivalent managed WaveFormat object
byte[] extraInfo = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 };
WaveFormat format = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 32, 2, 8, 384000, extraInfo);
// Verify against expected
this.MarshalAndVerify(format, formatBytes);
}
public void WaveFormatEx_Equality()
{
// Create WaveFormatEx object
byte[] extraInfo = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 };
WaveFormat format = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 32, 2, 8, 384000, extraInfo);
// Create an identical WaveFormat object and check for equality
byte[] extraInfoCopy = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 };
WaveFormat copy = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 32, 2, 8, 384000, extraInfoCopy);
Assert.AreEqual(format, copy);
// Make multiple copies each with a field modified and verify inequality
copy = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 32, 2, 8, 384000);
Assert.AreNotEqual(format, copy);
copy = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 16000, 32, 2, 8, 384000, extraInfoCopy);
Assert.AreNotEqual(format, copy);
copy = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 16, 2, 8, 384000, extraInfoCopy);
Assert.AreNotEqual(format, copy);
copy = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 32, 1, 8, 384000, extraInfoCopy);
Assert.AreNotEqual(format, copy);
copy = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 32, 2, 4, 384000, extraInfoCopy);
Assert.AreNotEqual(format, copy);
copy = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 32, 2, 8, 32000, extraInfoCopy);
Assert.AreNotEqual(format, copy);
extraInfoCopy = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 };
copy = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 32, 2, 8, 384000, extraInfoCopy);
Assert.AreNotEqual(format, copy);
extraInfoCopy = new byte[] { 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21 };
copy = WaveFormatEx.Create(WaveFormatTag.WAVE_FORMAT_EXTENSIBLE, 48000, 32, 2, 8, 384000, extraInfoCopy);
Assert.AreNotEqual(format, copy);
// Test null and reference equality
copy = format;
Assert.AreEqual(format, copy);
copy = null;
Assert.AreNotEqual(format, copy);
}