mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-06-02 21:28:46 +02:00
d4d0a48bfe
* Migrate audren to new IPC * Migrate audout * Migrate audin * Migrate hwopus * Bye bye old audio service * Switch volume control to IHardwareDeviceDriver * Somewhat unrelated changes * Remove Concentus reference from HLE * Implement OpenAudioRendererForManualExecution * Remove SetVolume/GetVolume methods that are not necessary * Remove SetVolume/GetVolume methods that are not necessary (2) * Fix incorrect volume update * PR feedback * PR feedback * Stub audrec * Init outParameter * Make FinalOutputRecorderParameter/Internal readonly * Make FinalOutputRecorder IDisposable * Fix HardwareOpusDecoderManager parameter buffers * Opus work buffer size and error handling improvements * Add AudioInProtocolName enum * Fix potential divisions by zero
448 lines
17 KiB
C#
448 lines
17 KiB
C#
using Ryujinx.Audio.Backends.Common;
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using Ryujinx.Audio.Backends.SoundIo.Native;
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using Ryujinx.Audio.Common;
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using Ryujinx.Memory;
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using System;
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using System.Collections.Concurrent;
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using System.Runtime.CompilerServices;
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using System.Threading;
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using static Ryujinx.Audio.Backends.SoundIo.Native.SoundIo;
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namespace Ryujinx.Audio.Backends.SoundIo
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{
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class SoundIoHardwareDeviceSession : HardwareDeviceSessionOutputBase
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{
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private readonly SoundIoHardwareDeviceDriver _driver;
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private readonly ConcurrentQueue<SoundIoAudioBuffer> _queuedBuffers;
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private SoundIoOutStreamContext _outputStream;
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private readonly DynamicRingBuffer _ringBuffer;
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private ulong _playedSampleCount;
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private readonly ManualResetEvent _updateRequiredEvent;
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private float _volume;
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private int _disposeState;
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public SoundIoHardwareDeviceSession(SoundIoHardwareDeviceDriver driver, IVirtualMemoryManager memoryManager, SampleFormat requestedSampleFormat, uint requestedSampleRate, uint requestedChannelCount) : base(memoryManager, requestedSampleFormat, requestedSampleRate, requestedChannelCount)
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{
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_driver = driver;
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_updateRequiredEvent = _driver.GetUpdateRequiredEvent();
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_queuedBuffers = new ConcurrentQueue<SoundIoAudioBuffer>();
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_ringBuffer = new DynamicRingBuffer();
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_volume = 1f;
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SetupOutputStream(driver.Volume);
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}
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private void SetupOutputStream(float requestedVolume)
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{
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_outputStream = _driver.OpenStream(RequestedSampleFormat, RequestedSampleRate, RequestedChannelCount);
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_outputStream.WriteCallback += Update;
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_outputStream.Volume = requestedVolume;
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// TODO: Setup other callbacks (errors, ect).
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_outputStream.Open();
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}
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public override ulong GetPlayedSampleCount()
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{
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return Interlocked.Read(ref _playedSampleCount);
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}
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public override float GetVolume()
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{
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return _volume;
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}
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public override void PrepareToClose() { }
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public override void QueueBuffer(AudioBuffer buffer)
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{
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SoundIoAudioBuffer driverBuffer = new(buffer.DataPointer, GetSampleCount(buffer));
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_ringBuffer.Write(buffer.Data, 0, buffer.Data.Length);
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_queuedBuffers.Enqueue(driverBuffer);
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}
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public override void SetVolume(float volume)
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{
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_volume = volume;
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_outputStream.SetVolume(_driver.Volume * volume);
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}
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public void UpdateMasterVolume(float newVolume)
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{
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_outputStream.SetVolume(newVolume * _volume);
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}
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public override void Start()
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{
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_outputStream.Start();
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_outputStream.Pause(false);
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_driver.FlushContextEvents();
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}
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public override void Stop()
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{
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_outputStream.Pause(true);
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_driver.FlushContextEvents();
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}
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public override void UnregisterBuffer(AudioBuffer buffer) { }
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public override bool WasBufferFullyConsumed(AudioBuffer buffer)
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{
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if (!_queuedBuffers.TryPeek(out SoundIoAudioBuffer driverBuffer))
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{
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return true;
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}
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return driverBuffer.DriverIdentifier != buffer.DataPointer;
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}
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private unsafe void Update(int minFrameCount, int maxFrameCount)
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{
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int bytesPerFrame = _outputStream.BytesPerFrame;
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uint bytesPerSample = (uint)_outputStream.BytesPerSample;
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int bufferedFrames = _ringBuffer.Length / bytesPerFrame;
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int frameCount = Math.Min(bufferedFrames, maxFrameCount);
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if (frameCount == 0)
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{
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return;
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}
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Span<SoundIoChannelArea> areas = _outputStream.BeginWrite(ref frameCount);
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int channelCount = areas.Length;
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byte[] samples = new byte[frameCount * bytesPerFrame];
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_ringBuffer.Read(samples, 0, samples.Length);
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// This is a huge ugly block of code, but we save
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// a significant amount of time over the generic
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// loop that handles other channel counts.
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// TODO: Is this still right in 2022?
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// Mono
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if (channelCount == 1)
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{
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ref SoundIoChannelArea area = ref areas[0];
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fixed (byte* srcptr = samples)
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{
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if (bytesPerSample == 1)
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{
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for (int frame = 0; frame < frameCount; frame++)
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{
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((byte*)area.Pointer)[0] = srcptr[frame * bytesPerFrame];
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area.Pointer += area.Step;
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}
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}
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else if (bytesPerSample == 2)
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{
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for (int frame = 0; frame < frameCount; frame++)
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{
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((short*)area.Pointer)[0] = ((short*)srcptr)[frame * bytesPerFrame >> 1];
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area.Pointer += area.Step;
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}
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}
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else if (bytesPerSample == 4)
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{
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for (int frame = 0; frame < frameCount; frame++)
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{
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((int*)area.Pointer)[0] = ((int*)srcptr)[frame * bytesPerFrame >> 2];
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area.Pointer += area.Step;
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}
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}
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else
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{
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for (int frame = 0; frame < frameCount; frame++)
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{
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Unsafe.CopyBlockUnaligned((byte*)area.Pointer, srcptr + (frame * bytesPerFrame), bytesPerSample);
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area.Pointer += area.Step;
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}
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}
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}
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}
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// Stereo
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else if (channelCount == 2)
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{
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ref SoundIoChannelArea area1 = ref areas[0];
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ref SoundIoChannelArea area2 = ref areas[1];
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fixed (byte* srcptr = samples)
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{
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if (bytesPerSample == 1)
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{
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for (int frame = 0; frame < frameCount; frame++)
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{
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// Channel 1
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((byte*)area1.Pointer)[0] = srcptr[(frame * bytesPerFrame) + 0];
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// Channel 2
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((byte*)area2.Pointer)[0] = srcptr[(frame * bytesPerFrame) + 1];
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area1.Pointer += area1.Step;
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area2.Pointer += area2.Step;
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}
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}
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else if (bytesPerSample == 2)
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{
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for (int frame = 0; frame < frameCount; frame++)
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{
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// Channel 1
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((short*)area1.Pointer)[0] = ((short*)srcptr)[(frame * bytesPerFrame >> 1) + 0];
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// Channel 2
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((short*)area2.Pointer)[0] = ((short*)srcptr)[(frame * bytesPerFrame >> 1) + 1];
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area1.Pointer += area1.Step;
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area2.Pointer += area2.Step;
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}
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}
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else if (bytesPerSample == 4)
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{
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for (int frame = 0; frame < frameCount; frame++)
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{
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// Channel 1
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((int*)area1.Pointer)[0] = ((int*)srcptr)[(frame * bytesPerFrame >> 2) + 0];
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// Channel 2
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((int*)area2.Pointer)[0] = ((int*)srcptr)[(frame * bytesPerFrame >> 2) + 1];
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area1.Pointer += area1.Step;
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area2.Pointer += area2.Step;
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}
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}
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else
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{
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for (int frame = 0; frame < frameCount; frame++)
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{
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// Channel 1
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Unsafe.CopyBlockUnaligned((byte*)area1.Pointer, srcptr + (frame * bytesPerFrame) + (0 * bytesPerSample), bytesPerSample);
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// Channel 2
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Unsafe.CopyBlockUnaligned((byte*)area2.Pointer, srcptr + (frame * bytesPerFrame) + (1 * bytesPerSample), bytesPerSample);
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area1.Pointer += area1.Step;
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area2.Pointer += area2.Step;
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}
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}
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}
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}
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// Surround
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else if (channelCount == 6)
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{
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ref SoundIoChannelArea area1 = ref areas[0];
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ref SoundIoChannelArea area2 = ref areas[1];
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ref SoundIoChannelArea area3 = ref areas[2];
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ref SoundIoChannelArea area4 = ref areas[3];
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ref SoundIoChannelArea area5 = ref areas[4];
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ref SoundIoChannelArea area6 = ref areas[5];
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fixed (byte* srcptr = samples)
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{
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if (bytesPerSample == 1)
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{
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for (int frame = 0; frame < frameCount; frame++)
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{
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// Channel 1
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((byte*)area1.Pointer)[0] = srcptr[(frame * bytesPerFrame) + 0];
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// Channel 2
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((byte*)area2.Pointer)[0] = srcptr[(frame * bytesPerFrame) + 1];
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// Channel 3
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((byte*)area3.Pointer)[0] = srcptr[(frame * bytesPerFrame) + 2];
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// Channel 4
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((byte*)area4.Pointer)[0] = srcptr[(frame * bytesPerFrame) + 3];
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// Channel 5
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((byte*)area5.Pointer)[0] = srcptr[(frame * bytesPerFrame) + 4];
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// Channel 6
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((byte*)area6.Pointer)[0] = srcptr[(frame * bytesPerFrame) + 5];
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area1.Pointer += area1.Step;
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area2.Pointer += area2.Step;
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area3.Pointer += area3.Step;
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area4.Pointer += area4.Step;
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area5.Pointer += area5.Step;
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area6.Pointer += area6.Step;
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}
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}
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else if (bytesPerSample == 2)
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{
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for (int frame = 0; frame < frameCount; frame++)
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{
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// Channel 1
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((short*)area1.Pointer)[0] = ((short*)srcptr)[(frame * bytesPerFrame >> 1) + 0];
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// Channel 2
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((short*)area2.Pointer)[0] = ((short*)srcptr)[(frame * bytesPerFrame >> 1) + 1];
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// Channel 3
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((short*)area3.Pointer)[0] = ((short*)srcptr)[(frame * bytesPerFrame >> 1) + 2];
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// Channel 4
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((short*)area4.Pointer)[0] = ((short*)srcptr)[(frame * bytesPerFrame >> 1) + 3];
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// Channel 5
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((short*)area5.Pointer)[0] = ((short*)srcptr)[(frame * bytesPerFrame >> 1) + 4];
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// Channel 6
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((short*)area6.Pointer)[0] = ((short*)srcptr)[(frame * bytesPerFrame >> 1) + 5];
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area1.Pointer += area1.Step;
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area2.Pointer += area2.Step;
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area3.Pointer += area3.Step;
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area4.Pointer += area4.Step;
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area5.Pointer += area5.Step;
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area6.Pointer += area6.Step;
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}
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}
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else if (bytesPerSample == 4)
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{
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for (int frame = 0; frame < frameCount; frame++)
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{
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// Channel 1
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((int*)area1.Pointer)[0] = ((int*)srcptr)[(frame * bytesPerFrame >> 2) + 0];
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// Channel 2
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((int*)area2.Pointer)[0] = ((int*)srcptr)[(frame * bytesPerFrame >> 2) + 1];
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// Channel 3
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((int*)area3.Pointer)[0] = ((int*)srcptr)[(frame * bytesPerFrame >> 2) + 2];
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// Channel 4
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((int*)area4.Pointer)[0] = ((int*)srcptr)[(frame * bytesPerFrame >> 2) + 3];
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// Channel 5
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((int*)area5.Pointer)[0] = ((int*)srcptr)[(frame * bytesPerFrame >> 2) + 4];
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// Channel 6
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((int*)area6.Pointer)[0] = ((int*)srcptr)[(frame * bytesPerFrame >> 2) + 5];
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area1.Pointer += area1.Step;
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area2.Pointer += area2.Step;
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area3.Pointer += area3.Step;
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area4.Pointer += area4.Step;
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area5.Pointer += area5.Step;
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area6.Pointer += area6.Step;
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}
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}
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else
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{
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for (int frame = 0; frame < frameCount; frame++)
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{
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// Channel 1
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Unsafe.CopyBlockUnaligned((byte*)area1.Pointer, srcptr + (frame * bytesPerFrame) + (0 * bytesPerSample), bytesPerSample);
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// Channel 2
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Unsafe.CopyBlockUnaligned((byte*)area2.Pointer, srcptr + (frame * bytesPerFrame) + (1 * bytesPerSample), bytesPerSample);
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// Channel 3
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Unsafe.CopyBlockUnaligned((byte*)area3.Pointer, srcptr + (frame * bytesPerFrame) + (2 * bytesPerSample), bytesPerSample);
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// Channel 4
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Unsafe.CopyBlockUnaligned((byte*)area4.Pointer, srcptr + (frame * bytesPerFrame) + (3 * bytesPerSample), bytesPerSample);
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// Channel 5
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Unsafe.CopyBlockUnaligned((byte*)area5.Pointer, srcptr + (frame * bytesPerFrame) + (4 * bytesPerSample), bytesPerSample);
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// Channel 6
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Unsafe.CopyBlockUnaligned((byte*)area6.Pointer, srcptr + (frame * bytesPerFrame) + (5 * bytesPerSample), bytesPerSample);
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area1.Pointer += area1.Step;
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area2.Pointer += area2.Step;
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area3.Pointer += area3.Step;
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area4.Pointer += area4.Step;
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area5.Pointer += area5.Step;
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area6.Pointer += area6.Step;
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}
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}
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}
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}
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// Every other channel count
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else
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{
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fixed (byte* srcptr = samples)
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{
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for (int frame = 0; frame < frameCount; frame++)
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{
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for (int channel = 0; channel < areas.Length; channel++)
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{
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// Copy channel by channel, frame by frame. This is slow!
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Unsafe.CopyBlockUnaligned((byte*)areas[channel].Pointer, srcptr + (frame * bytesPerFrame) + (channel * bytesPerSample), bytesPerSample);
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areas[channel].Pointer += areas[channel].Step;
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}
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}
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}
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}
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_outputStream.EndWrite();
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ulong sampleCount = (ulong)(samples.Length / bytesPerSample / channelCount);
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ulong availaibleSampleCount = sampleCount;
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bool needUpdate = false;
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while (availaibleSampleCount > 0 && _queuedBuffers.TryPeek(out SoundIoAudioBuffer driverBuffer))
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{
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ulong sampleStillNeeded = driverBuffer.SampleCount - Interlocked.Read(ref driverBuffer.SamplePlayed);
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ulong playedAudioBufferSampleCount = Math.Min(sampleStillNeeded, availaibleSampleCount);
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Interlocked.Add(ref driverBuffer.SamplePlayed, playedAudioBufferSampleCount);
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availaibleSampleCount -= playedAudioBufferSampleCount;
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if (Interlocked.Read(ref driverBuffer.SamplePlayed) == driverBuffer.SampleCount)
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{
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_queuedBuffers.TryDequeue(out _);
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needUpdate = true;
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}
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Interlocked.Add(ref _playedSampleCount, playedAudioBufferSampleCount);
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}
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// Notify the output if needed.
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if (needUpdate)
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{
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_updateRequiredEvent.Set();
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}
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}
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protected virtual void Dispose(bool disposing)
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{
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if (disposing && _driver.Unregister(this))
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{
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PrepareToClose();
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Stop();
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_outputStream.Dispose();
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}
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}
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public override void Dispose()
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{
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if (Interlocked.CompareExchange(ref _disposeState, 1, 0) == 0)
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{
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Dispose(true);
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}
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}
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}
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}
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