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Workaround for AL interop on Linux #421

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4 changes: 4 additions & 0 deletions CSCore/CSCore.csproj
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,10 @@
<Prefer32Bit>false</Prefer32Bit>
</PropertyGroup>

<PropertyGroup Condition=" '$(OS)' == 'Windows_NT' ">
<DefineConstants>WINDOWS</DefineConstants>
</PropertyGroup>

<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
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88 changes: 47 additions & 41 deletions CSCore/SoundOut/AL/ALInterops.cs
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Expand Up @@ -8,132 +8,138 @@ namespace CSCore.SoundOut.AL
[CLSCompliant(false)]
internal class ALInterops
{
[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
#if WINDOWS
private const string libLocation = "openal32.dll";
#else
private const string libLocation = "libopenal";
#endif

[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern IntPtr alGetString(int name);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern IntPtr alcGetString([In] IntPtr device, int name);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern sbyte alcIsExtensionPresent([In] IntPtr device, string extensionName);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern sbyte alIsExtensionPresent(string extensionName);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alcCaptureStart(IntPtr device);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alcCaptureStop(IntPtr device);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alcCaptureSamples(IntPtr device, IntPtr buffer, int numSamples);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern IntPtr alcCaptureOpenDevice(string deviceName, uint frequency, ALFormat format,
int bufferSize);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alcCaptureCloseDevice(IntPtr device);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern IntPtr alcOpenDevice(string deviceName);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern bool alcCloseDevice(IntPtr handle);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern IntPtr alcCreateContext(IntPtr device, IntPtr attrlist);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern bool alcMakeContextCurrent(IntPtr context);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern IntPtr alcGetContextsDevice(IntPtr context);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern IntPtr alcGetCurrentContext();

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alcDestroyContext(IntPtr context);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alGetSourcei(uint sourceId, ALSourceParameters param, out int value);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alSourcePlay(uint sourceId);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alSourcePause(uint sourceId);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alSourceStop(uint sourceId);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alSourceQueueBuffers(uint sourceId, int number, uint[] bufferIDs);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alSourceUnqueueBuffers(uint sourceId, int buffers, uint[] buffersDequeued);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alGenSources(int count, uint[] sources);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alDeleteSources(int count, uint[] sources);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alGetSourcef(uint sourceId, ALSourceParameters param, out float value);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alGetSource3f(uint sourceId, ALSourceParameters param, out float val1,
out float val2, out float val3);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alSourcef(uint sourceId, ALSourceParameters param, float value);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alSourcefv(uint sourceId, ALSourceParameters param, float[] value);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alSource3f(uint sourceId, ALSourceParameters param, float val1, float val2,
float val3);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alSourcei(uint sourceId, ALSourceParameters param, float val1);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alGenBuffers(int count, uint[] bufferIDs);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alBufferData(uint bufferId, ALFormat format, byte[] data, int byteSize,
uint frequency);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alDeleteBuffers(int numBuffers, uint[] bufferIDs);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alListenerf(ALSourceParameters param, float val);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alListenerfv(ALSourceParameters param, float[] val);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alListener3f(ALSourceParameters param, float val1, float val2, float val3);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alGetListener3f(ALSourceParameters param, out float val1, out float val2,
out float val3);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alGetListenerf(ALSourceParameters param, out float val);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern void alGetListenerfv(ALSourceParameters param, float[] val);

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern ALErrorCode alGetError();

[DllImport("openal32.dll", CallingConvention = CallingConvention.Cdecl)]
[DllImport(libLocation, CallingConvention = CallingConvention.Cdecl)]
internal static extern ALErrorCode alcGetError(IntPtr handle);

public const int DeviceSpecifier = 0x1005;
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