89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
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//------------------------------------------------------------------------------
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// <copyright file="KinectAudioStream.h" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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// <summary>
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// Includes common headers and defines following classes:
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// - KinectAudioStream: IStream implementation to convert 32Bit Kinect Stream to 16Bit for Speech.
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// </summary>
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//------------------------------------------------------------------------------
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#pragma once
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// For WAVEFORMATEX
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#include <Windows.h>
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#include <mmreg.h>
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#include <Shlobj.h>
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/// <summary>
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/// Asynchronous IStream implementation that captures audio data from Kinect audio sensor in a background thread
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/// and lets clients read captured audio from any thread.
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/// </summary>
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class KinectAudioStream : public IStream
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{
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public:
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/////////////////////////////////////////////
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// KinectAudioStream methods
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/// <summary>
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/// KinectAudioStream constructor.
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/// </summary>
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KinectAudioStream(IStream *p32BitAudioStream);
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/// <summary>
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/// SetSpeechState method
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/// </summary>
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void SetSpeechState(bool state);
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/////////////////////////////////////////////
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// IUnknown methods
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STDMETHODIMP_(ULONG) AddRef() { return InterlockedIncrement(&m_cRef); }
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STDMETHODIMP_(ULONG) Release()
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{
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UINT ref = InterlockedDecrement(&m_cRef);
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if (ref == 0)
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{
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delete this;
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}
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return ref;
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}
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STDMETHODIMP QueryInterface(REFIID riid, void **ppv)
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{
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if (riid == IID_IUnknown)
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{
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AddRef();
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*ppv = (IUnknown*)this;
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return S_OK;
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}
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else if (riid == IID_IStream)
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{
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AddRef();
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*ppv = (IStream*)this;
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return S_OK;
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}
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else
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{
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return E_NOINTERFACE;
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}
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}
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/////////////////////////////////////////////
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// IStream methods
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STDMETHODIMP Read(_Out_writes_bytes_to_(cbBuffer, *pcbRead) void *pBuffer , _In_ ULONG cbBuffer, _Out_opt_ ULONG *pcbRead);
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STDMETHODIMP Write(_In_reads_bytes_(cb) const void *pv, _In_ ULONG cb, _Out_opt_ ULONG *pcbWritten);
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STDMETHODIMP Seek(LARGE_INTEGER, DWORD, _Out_opt_ ULARGE_INTEGER *);
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STDMETHODIMP SetSize(ULARGE_INTEGER);
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STDMETHODIMP CopyTo(_In_ IStream *, ULARGE_INTEGER, _Out_opt_ ULARGE_INTEGER *, _Out_opt_ ULARGE_INTEGER *);
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STDMETHODIMP Commit(DWORD);
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STDMETHODIMP Revert();
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STDMETHODIMP LockRegion(ULARGE_INTEGER, ULARGE_INTEGER, DWORD);
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STDMETHODIMP UnlockRegion(ULARGE_INTEGER, ULARGE_INTEGER, DWORD);
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STDMETHODIMP Stat(__RPC__out STATSTG *, DWORD);
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STDMETHODIMP Clone(__RPC__deref_out_opt IStream **);
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private:
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// Number of references to this object
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UINT m_cRef;
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IStream* m_p32BitAudio;
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bool m_SpeechActive;
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};
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