public Result Load()
{
if (Loaded)
{
Unload();
}
if (Buffer == null)
{
if (Filepath != null && Filepath.Contains(".wav"))
{
var buf = File.ReadAllBytes(Filepath);
using (var ms = new MemoryStream(buf))
{
int ch;
int bit;
int r;
try
{
Buffer = LoadWave(ms, out ch, out bit, out r);
Channels = ch;
Bits = bit;
SampleRate = r;
}
catch { }
}
}
else if (Filepath != null && Filepath.Contains(".mp3"))
{
var buf = File.ReadAllBytes(Filepath);
using (var ms = new MemoryStream(buf))
{
int ch;
int bit;
int r;
try
{
Buffer = LoadWave(ms, out ch, out bit, out r);
Channels = ch;
Bits = bit;
SampleRate = r;
}
catch { }
}
}
else if (Stream != null)
{
int ch = 0;
int bit = 0;
int r = 0;
try
{
if (Format == "WAV")
{
Buffer = LoadWave(Stream, out ch, out bit, out r);
}
else if (Format == "MP3")
{
Buffer = LoadMp3(Stream, out ch, out bit, out r);
}
Channels = ch;
Bits = bit;
SampleRate = r;
}
catch { }
}
}
if (Buffer == null)
{
return(Result.Failed);
}
Source = AL.GenSource();
ALBuffer = AL.GenBuffer();
var format = ALFormat.Stereo16;
if (Channels == 2 && Bits == 8)
{
format = ALFormat.Stereo8;
}
else if (Channels == 1 && Bits == 16)
{
format = ALFormat.Mono16;
}
else if (Channels == 1 && Bits == 8)
{
format = ALFormat.Mono8;
}
AL.BufferData(ALBuffer, format, Buffer, Buffer.Length, SampleRate);
AL.BindBufferToSource(Source, ALBuffer);
Loaded = true;
return(Result.Success);
}
public static void BufferData(int bid, ALFormat format, IntPtr buffer, int size, int freq)
{
AL.BufferData((uint)bid, format, buffer, size, freq);
}
public static void Main()
{
Console.WriteLine("Hello!");
var devices = ALC.GetStringList(GetEnumerationStringList.DeviceSpecifier);
Console.WriteLine($"Devices: {string.Join(", ", devices)}");
// Get the default device, then go though all devices and select the AL soft device if it exists.
string deviceName = ALC.GetString(ALDevice.Null, AlcGetString.DefaultDeviceSpecifier);
foreach (var d in devices)
{
if (d.Contains("OpenAL Soft"))
{
deviceName = d;
}
}
var allDevices = Extensions.Creative.EnumerateAll.EnumerateAll.GetStringList(Extensions.Creative.EnumerateAll.GetEnumerateAllContextStringList.AllDevicesSpecifier);
Console.WriteLine($"All Devices: {string.Join(", ", allDevices)}");
var device = ALC.OpenDevice(deviceName);
var context = ALC.CreateContext(device, (int[])null);
ALC.MakeContextCurrent(context);
CheckALError("Start");
ALC.GetInteger(device, AlcGetInteger.MajorVersion, 1, out int alcMajorVersion);
ALC.GetInteger(device, AlcGetInteger.MinorVersion, 1, out int alcMinorVersion);
string alcExts = ALC.GetString(device, AlcGetString.Extensions);
var attrs = ALC.GetContextAttributes(device);
Console.WriteLine($"Attributes: {attrs}");
string exts = AL.Get(ALGetString.Extensions);
string rend = AL.Get(ALGetString.Renderer);
string vend = AL.Get(ALGetString.Vendor);
string vers = AL.Get(ALGetString.Version);
Console.WriteLine($"Vendor: {vend}, \nVersion: {vers}, \nRenderer: {rend}, \nExtensions: {exts}, \nALC Version: {alcMajorVersion}.{alcMinorVersion}, \nALC Extensions: {alcExts}");
Console.WriteLine("Available devices: ");
var list = Extensions.Creative.EnumerateAll.EnumerateAll.GetStringList(Extensions.Creative.EnumerateAll.GetEnumerateAllContextStringList.AllDevicesSpecifier);
foreach (var item in list)
{
Console.WriteLine(" " + item);
}
Console.WriteLine("Available capture devices: ");
list = ALC.GetStringList(GetEnumerationStringList.CaptureDeviceSpecifier);
foreach (var item in list)
{
Console.WriteLine(" " + item);
}
int auxSlot = 0;
if (EFX.IsExtensionPresent(device))
{
Console.WriteLine("EFX extension is present!!");
EFX.GenEffect(out int effect);
EFX.Effect(effect, EffectInteger.EffectType, (int)EffectType.Reverb);
EFX.GenAuxiliaryEffectSlot(out auxSlot);
EFX.AuxiliaryEffectSlot(auxSlot, EffectSlotInteger.Effect, effect);
}
// Record a second of data
CheckALError("Before record");
short[] recording = new short[44100 * 4];
ALCaptureDevice captureDevice = ALC.CaptureOpenDevice(null, 44100, ALFormat.Mono16, 1024);
{
ALC.CaptureStart(captureDevice);
int current = 0;
while (current < recording.Length)
{
int samplesAvailable = ALC.GetAvailableSamples(captureDevice);
if (samplesAvailable > 512)
{
int samplesToRead = Math.Min(samplesAvailable, recording.Length - current);
ALC.CaptureSamples(captureDevice, ref recording[current], samplesToRead);
current += samplesToRead;
}
Thread.Yield();
}
ALC.CaptureStop(captureDevice);
}
CheckALError("After record");
// Playback the recorded data
CheckALError("Before data");
AL.GenBuffer(out int alBuffer);
// short[] sine = new short[44100 * 1];
// FillSine(sine, 4400, 44100);
// FillSine(recording, 440, 44100);
AL.BufferData(alBuffer, ALFormat.Mono16, ref recording[0], recording.Length * 2, 44100);
CheckALError("After data");
AL.Listener(ALListenerf.Gain, 0.1f);
AL.GenSource(out int alSource);
AL.Source(alSource, ALSourcef.Gain, 1f);
AL.Source(alSource, ALSourcei.Buffer, alBuffer);
if (EFX.IsExtensionPresent(device))
{
EFX.Source(alSource, EFXSourceInteger3.AuxiliarySendFilter, auxSlot, 0, 0);
}
AL.SourcePlay(alSource);
Console.WriteLine("Before Playing: " + AL.GetErrorString(AL.GetError()));
if (Extensions.SOFT.DeviceClock.DeviceClock.IsExtensionPresent(device))
{
long[] clockLatency = new long[2];
Extensions.SOFT.DeviceClock.DeviceClock.GetInteger(device, Extensions.SOFT.DeviceClock.GetInteger64.DeviceClock, clockLatency);
Console.WriteLine("Clock: " + clockLatency[0] + ", Latency: " + clockLatency[1]);
CheckALError(" ");
}
if (Extensions.SOFT.SourceLatency.SourceLatency.IsExtensionPresent())
{
Extensions.SOFT.SourceLatency.SourceLatency.GetSource(alSource, Extensions.SOFT.SourceLatency.SourceLatencyVector2d.SecOffsetLatency, out var values);
Extensions.SOFT.SourceLatency.SourceLatency.GetSource(alSource, Extensions.SOFT.SourceLatency.SourceLatencyVector2i.SampleOffsetLatency, out var values1, out var values2, out var values3);
Console.WriteLine("Source latency: " + values);
Console.WriteLine($"Source latency 2: {Convert.ToString(values1, 2)}, {values2}; {values3}");
CheckALError(" ");
}
while (AL.GetSourceState(alSource) == ALSourceState.Playing)
{
if (Extensions.SOFT.SourceLatency.SourceLatency.IsExtensionPresent())
{
Extensions.SOFT.SourceLatency.SourceLatency.GetSource(alSource, Extensions.SOFT.SourceLatency.SourceLatencyVector2d.SecOffsetLatency, out var values);
Extensions.SOFT.SourceLatency.SourceLatency.GetSource(alSource, Extensions.SOFT.SourceLatency.SourceLatencyVector2i.SampleOffsetLatency, out var values1, out var values2, out var values3);
Console.WriteLine("Source latency: " + values);
Console.WriteLine($"Source latency 2: {Convert.ToString(values1, 2)}, {values2}; {values3}");
CheckALError(" ");
}
if (Extensions.SOFT.DeviceClock.DeviceClock.IsExtensionPresent(device))
{
long[] clockLatency = new long[2];
Extensions.SOFT.DeviceClock.DeviceClock.GetInteger(device, Extensions.SOFT.DeviceClock.GetInteger64.DeviceClock, 1, clockLatency);
Console.WriteLine("Clock: " + clockLatency[0] + ", Latency: " + clockLatency[1]);
CheckALError(" ");
}
Thread.Sleep(10);
}
AL.SourceStop(alSource);
// Test float32 format extension
if (EXTFloat32.IsExtensionPresent())
{
Console.WriteLine("Testing float32 format extension with a sine wave...");
float[] sine = new float[44100 * 2];
for (int i = 0; i < sine.Length; i++)
{
sine[i] = MathF.Sin(440 * MathF.PI * 2 * (i / (float)sine.Length));
}
var buffer = AL.GenBuffer();
EXTFloat32.BufferData(buffer, FloatBufferFormat.Mono, sine, 44100);
AL.Listener(ALListenerf.Gain, 0.1f);
AL.Source(alSource, ALSourcef.Gain, 1f);
AL.Source(alSource, ALSourcei.Buffer, buffer);
AL.SourcePlay(alSource);
while (AL.GetSourceState(alSource) == ALSourceState.Playing)
{
Thread.Sleep(10);
}
AL.SourceStop(alSource);
}
// Test double format extension
if (EXTDouble.IsExtensionPresent())
{
Console.WriteLine("Testing float64 format extension with a saw wave...");
double[] saw = new double[44100 * 2];
for (int i = 0; i < saw.Length; i++)
{
var t = (i / (double)saw.Length) * 440;
saw[i] = t - Math.Floor(t);
}
var buffer = AL.GenBuffer();
EXTDouble.BufferData(buffer, DoubleBufferFormat.Mono, saw, 44100);
AL.Listener(ALListenerf.Gain, 0.1f);
AL.Source(alSource, ALSourcef.Gain, 1f);
AL.Source(alSource, ALSourcei.Buffer, buffer);
AL.SourcePlay(alSource);
while (AL.GetSourceState(alSource) == ALSourceState.Playing)
{
Thread.Sleep(10);
}
AL.SourceStop(alSource);
}
Console.WriteLine("Goodbye!");
ALC.MakeContextCurrent(ALContext.Null);
ALC.DestroyContext(context);
ALC.CloseDevice(device);
}
