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1509 lines
54 KiB
1509 lines
54 KiB
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#ifndef JUCE_WASAPI_LOGGING
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#define JUCE_WASAPI_LOGGING 0
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#endif
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//==============================================================================
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namespace WasapiClasses
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{
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void logFailure (HRESULT hr)
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{
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(void) hr;
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jassert (hr != 0x800401f0); // If you hit this, it means you're trying to call from
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// a thread which hasn't been initialised with CoInitialize().
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#if JUCE_WASAPI_LOGGING
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if (FAILED (hr))
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{
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const char* m = nullptr;
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switch (hr)
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{
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case E_POINTER: m = "E_POINTER"; break;
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case E_INVALIDARG: m = "E_INVALIDARG"; break;
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#define JUCE_WASAPI_ERR(desc, n) \
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case MAKE_HRESULT(1, 0x889, n): m = #desc; break;
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JUCE_WASAPI_ERR (AUDCLNT_E_NOT_INITIALIZED, 0x001)
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JUCE_WASAPI_ERR (AUDCLNT_E_ALREADY_INITIALIZED, 0x002)
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JUCE_WASAPI_ERR (AUDCLNT_E_WRONG_ENDPOINT_TYPE, 0x003)
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JUCE_WASAPI_ERR (AUDCLNT_E_DEVICE_INVALIDATED, 0x004)
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JUCE_WASAPI_ERR (AUDCLNT_E_NOT_STOPPED, 0x005)
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JUCE_WASAPI_ERR (AUDCLNT_E_BUFFER_TOO_LARGE, 0x006)
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JUCE_WASAPI_ERR (AUDCLNT_E_OUT_OF_ORDER, 0x007)
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JUCE_WASAPI_ERR (AUDCLNT_E_UNSUPPORTED_FORMAT, 0x008)
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JUCE_WASAPI_ERR (AUDCLNT_E_INVALID_SIZE, 0x009)
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JUCE_WASAPI_ERR (AUDCLNT_E_DEVICE_IN_USE, 0x00a)
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JUCE_WASAPI_ERR (AUDCLNT_E_BUFFER_OPERATION_PENDING, 0x00b)
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JUCE_WASAPI_ERR (AUDCLNT_E_THREAD_NOT_REGISTERED, 0x00c)
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JUCE_WASAPI_ERR (AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED, 0x00e)
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JUCE_WASAPI_ERR (AUDCLNT_E_ENDPOINT_CREATE_FAILED, 0x00f)
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JUCE_WASAPI_ERR (AUDCLNT_E_SERVICE_NOT_RUNNING, 0x010)
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JUCE_WASAPI_ERR (AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED, 0x011)
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JUCE_WASAPI_ERR (AUDCLNT_E_EXCLUSIVE_MODE_ONLY, 0x012)
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JUCE_WASAPI_ERR (AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL, 0x013)
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JUCE_WASAPI_ERR (AUDCLNT_E_EVENTHANDLE_NOT_SET, 0x014)
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JUCE_WASAPI_ERR (AUDCLNT_E_INCORRECT_BUFFER_SIZE, 0x015)
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JUCE_WASAPI_ERR (AUDCLNT_E_BUFFER_SIZE_ERROR, 0x016)
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JUCE_WASAPI_ERR (AUDCLNT_E_CPUUSAGE_EXCEEDED, 0x017)
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JUCE_WASAPI_ERR (AUDCLNT_E_BUFFER_ERROR, 0x018)
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JUCE_WASAPI_ERR (AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED, 0x019)
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JUCE_WASAPI_ERR (AUDCLNT_E_INVALID_DEVICE_PERIOD, 0x020)
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default: break;
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}
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Logger::writeToLog ("WASAPI error: " + (m != nullptr ? String (m)
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: String::toHexString ((int) hr)));
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}
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#endif
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}
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#undef check
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bool check (HRESULT hr)
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{
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logFailure (hr);
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return SUCCEEDED (hr);
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}
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//==============================================================================
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}
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#if JUCE_MINGW
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#define JUCE_COMCLASS(name, guid) \
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struct name; \
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template<> struct UUIDGetter<name> { static CLSID get() { return uuidFromString (guid); } }; \
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struct name
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struct PROPERTYKEY
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{
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GUID fmtid;
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DWORD pid;
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};
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WINOLEAPI PropVariantClear (PROPVARIANT*);
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#else
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#define JUCE_COMCLASS(name, guid) struct __declspec (uuid (guid)) name
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#endif
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#ifndef KSDATAFORMAT_SUBTYPE_PCM
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#define KSDATAFORMAT_SUBTYPE_PCM uuidFromString ("00000001-0000-0010-8000-00aa00389b71")
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#define KSDATAFORMAT_SUBTYPE_IEEE_FLOAT uuidFromString ("00000003-0000-0010-8000-00aa00389b71")
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#endif
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#define JUCE_IUNKNOWNCLASS(name, guid) JUCE_COMCLASS(name, guid) : public IUnknown
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#define JUCE_COMCALL virtual HRESULT STDMETHODCALLTYPE
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enum EDataFlow
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{
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eRender = 0,
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eCapture = (eRender + 1),
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eAll = (eCapture + 1)
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};
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enum { DEVICE_STATE_ACTIVE = 1 };
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JUCE_IUNKNOWNCLASS (IPropertyStore, "886d8eeb-8cf2-4446-8d02-cdba1dbdcf99")
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{
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JUCE_COMCALL GetCount (DWORD*) = 0;
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JUCE_COMCALL GetAt (DWORD, PROPERTYKEY*) = 0;
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JUCE_COMCALL GetValue (const PROPERTYKEY&, PROPVARIANT*) = 0;
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JUCE_COMCALL SetValue (const PROPERTYKEY&, const PROPVARIANT&) = 0;
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JUCE_COMCALL Commit() = 0;
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};
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JUCE_IUNKNOWNCLASS (IMMDevice, "D666063F-1587-4E43-81F1-B948E807363F")
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{
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JUCE_COMCALL Activate (REFIID, DWORD, PROPVARIANT*, void**) = 0;
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JUCE_COMCALL OpenPropertyStore (DWORD, IPropertyStore**) = 0;
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JUCE_COMCALL GetId (LPWSTR*) = 0;
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JUCE_COMCALL GetState (DWORD*) = 0;
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};
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JUCE_IUNKNOWNCLASS (IMMEndpoint, "1BE09788-6894-4089-8586-9A2A6C265AC5")
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{
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JUCE_COMCALL GetDataFlow (EDataFlow*) = 0;
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};
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struct IMMDeviceCollection : public IUnknown
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{
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JUCE_COMCALL GetCount (UINT*) = 0;
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JUCE_COMCALL Item (UINT, IMMDevice**) = 0;
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};
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enum ERole
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{
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eConsole = 0,
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eMultimedia = (eConsole + 1),
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eCommunications = (eMultimedia + 1)
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};
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JUCE_IUNKNOWNCLASS (IMMNotificationClient, "7991EEC9-7E89-4D85-8390-6C703CEC60C0")
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{
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JUCE_COMCALL OnDeviceStateChanged (LPCWSTR, DWORD) = 0;
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JUCE_COMCALL OnDeviceAdded (LPCWSTR) = 0;
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JUCE_COMCALL OnDeviceRemoved (LPCWSTR) = 0;
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JUCE_COMCALL OnDefaultDeviceChanged (EDataFlow, ERole, LPCWSTR) = 0;
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JUCE_COMCALL OnPropertyValueChanged (LPCWSTR, const PROPERTYKEY) = 0;
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};
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JUCE_IUNKNOWNCLASS (IMMDeviceEnumerator, "A95664D2-9614-4F35-A746-DE8DB63617E6")
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{
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JUCE_COMCALL EnumAudioEndpoints (EDataFlow, DWORD, IMMDeviceCollection**) = 0;
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JUCE_COMCALL GetDefaultAudioEndpoint (EDataFlow, ERole, IMMDevice**) = 0;
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JUCE_COMCALL GetDevice (LPCWSTR, IMMDevice**) = 0;
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JUCE_COMCALL RegisterEndpointNotificationCallback (IMMNotificationClient*) = 0;
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JUCE_COMCALL UnregisterEndpointNotificationCallback (IMMNotificationClient*) = 0;
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};
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JUCE_COMCLASS (MMDeviceEnumerator, "BCDE0395-E52F-467C-8E3D-C4579291692E");
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typedef LONGLONG REFERENCE_TIME;
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enum AVRT_PRIORITY
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{
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AVRT_PRIORITY_LOW = -1,
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AVRT_PRIORITY_NORMAL,
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AVRT_PRIORITY_HIGH,
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AVRT_PRIORITY_CRITICAL
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};
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enum AUDCLNT_SHAREMODE
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{
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AUDCLNT_SHAREMODE_SHARED,
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AUDCLNT_SHAREMODE_EXCLUSIVE
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};
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JUCE_IUNKNOWNCLASS (IAudioClient, "1CB9AD4C-DBFA-4c32-B178-C2F568A703B2")
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{
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JUCE_COMCALL Initialize (AUDCLNT_SHAREMODE, DWORD, REFERENCE_TIME, REFERENCE_TIME, const WAVEFORMATEX*, LPCGUID) = 0;
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JUCE_COMCALL GetBufferSize (UINT32*) = 0;
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JUCE_COMCALL GetStreamLatency (REFERENCE_TIME*) = 0;
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JUCE_COMCALL GetCurrentPadding (UINT32*) = 0;
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JUCE_COMCALL IsFormatSupported (AUDCLNT_SHAREMODE, const WAVEFORMATEX*, WAVEFORMATEX**) = 0;
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JUCE_COMCALL GetMixFormat (WAVEFORMATEX**) = 0;
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JUCE_COMCALL GetDevicePeriod (REFERENCE_TIME*, REFERENCE_TIME*) = 0;
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JUCE_COMCALL Start() = 0;
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JUCE_COMCALL Stop() = 0;
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JUCE_COMCALL Reset() = 0;
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JUCE_COMCALL SetEventHandle (HANDLE) = 0;
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JUCE_COMCALL GetService (REFIID, void**) = 0;
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};
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JUCE_IUNKNOWNCLASS (IAudioCaptureClient, "C8ADBD64-E71E-48a0-A4DE-185C395CD317")
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{
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JUCE_COMCALL GetBuffer (BYTE**, UINT32*, DWORD*, UINT64*, UINT64*) = 0;
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JUCE_COMCALL ReleaseBuffer (UINT32) = 0;
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JUCE_COMCALL GetNextPacketSize (UINT32*) = 0;
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};
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JUCE_IUNKNOWNCLASS (IAudioRenderClient, "F294ACFC-3146-4483-A7BF-ADDCA7C260E2")
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{
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JUCE_COMCALL GetBuffer (UINT32, BYTE**) = 0;
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JUCE_COMCALL ReleaseBuffer (UINT32, DWORD) = 0;
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};
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JUCE_IUNKNOWNCLASS (IAudioEndpointVolume, "5CDF2C82-841E-4546-9722-0CF74078229A")
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{
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JUCE_COMCALL RegisterControlChangeNotify (void*) = 0;
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JUCE_COMCALL UnregisterControlChangeNotify (void*) = 0;
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JUCE_COMCALL GetChannelCount (UINT*) = 0;
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JUCE_COMCALL SetMasterVolumeLevel (float, LPCGUID) = 0;
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JUCE_COMCALL SetMasterVolumeLevelScalar (float, LPCGUID) = 0;
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JUCE_COMCALL GetMasterVolumeLevel (float*) = 0;
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JUCE_COMCALL GetMasterVolumeLevelScalar (float*) = 0;
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JUCE_COMCALL SetChannelVolumeLevel (UINT, float, LPCGUID) = 0;
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JUCE_COMCALL SetChannelVolumeLevelScalar (UINT, float, LPCGUID) = 0;
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JUCE_COMCALL GetChannelVolumeLevel (UINT, float*) = 0;
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JUCE_COMCALL GetChannelVolumeLevelScalar (UINT, float*) = 0;
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JUCE_COMCALL SetMute (BOOL, LPCGUID) = 0;
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JUCE_COMCALL GetMute (BOOL*) = 0;
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JUCE_COMCALL GetVolumeStepInfo (UINT*, UINT*) = 0;
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JUCE_COMCALL VolumeStepUp (LPCGUID) = 0;
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JUCE_COMCALL VolumeStepDown (LPCGUID) = 0;
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JUCE_COMCALL QueryHardwareSupport (DWORD*) = 0;
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JUCE_COMCALL GetVolumeRange (float*, float*, float*) = 0;
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};
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enum AudioSessionDisconnectReason
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{
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DisconnectReasonDeviceRemoval = 0,
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DisconnectReasonServerShutdown = 1,
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DisconnectReasonFormatChanged = 2,
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DisconnectReasonSessionLogoff = 3,
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DisconnectReasonSessionDisconnected = 4,
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DisconnectReasonExclusiveModeOverride = 5
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};
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enum AudioSessionState
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{
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AudioSessionStateInactive = 0,
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AudioSessionStateActive = 1,
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AudioSessionStateExpired = 2
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};
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JUCE_IUNKNOWNCLASS (IAudioSessionEvents, "24918ACC-64B3-37C1-8CA9-74A66E9957A8")
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{
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JUCE_COMCALL OnDisplayNameChanged (LPCWSTR, LPCGUID) = 0;
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JUCE_COMCALL OnIconPathChanged (LPCWSTR, LPCGUID) = 0;
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JUCE_COMCALL OnSimpleVolumeChanged (float, BOOL, LPCGUID) = 0;
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JUCE_COMCALL OnChannelVolumeChanged (DWORD, float*, DWORD, LPCGUID) = 0;
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JUCE_COMCALL OnGroupingParamChanged (LPCGUID, LPCGUID) = 0;
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JUCE_COMCALL OnStateChanged (AudioSessionState) = 0;
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JUCE_COMCALL OnSessionDisconnected (AudioSessionDisconnectReason) = 0;
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};
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JUCE_IUNKNOWNCLASS (IAudioSessionControl, "F4B1A599-7266-4319-A8CA-E70ACB11E8CD")
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{
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JUCE_COMCALL GetState (AudioSessionState*) = 0;
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JUCE_COMCALL GetDisplayName (LPWSTR*) = 0;
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JUCE_COMCALL SetDisplayName (LPCWSTR, LPCGUID) = 0;
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JUCE_COMCALL GetIconPath (LPWSTR*) = 0;
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JUCE_COMCALL SetIconPath (LPCWSTR, LPCGUID) = 0;
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JUCE_COMCALL GetGroupingParam (GUID*) = 0;
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JUCE_COMCALL SetGroupingParam (LPCGUID, LPCGUID) = 0;
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JUCE_COMCALL RegisterAudioSessionNotification (IAudioSessionEvents*) = 0;
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JUCE_COMCALL UnregisterAudioSessionNotification (IAudioSessionEvents*) = 0;
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};
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#undef JUCE_COMCALL
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#undef JUCE_COMCLASS
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#undef JUCE_IUNKNOWNCLASS
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//==============================================================================
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namespace WasapiClasses
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{
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String getDeviceID (IMMDevice* const device)
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{
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String s;
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WCHAR* deviceId = nullptr;
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if (check (device->GetId (&deviceId)))
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{
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s = String (deviceId);
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CoTaskMemFree (deviceId);
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}
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return s;
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}
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EDataFlow getDataFlow (const ComSmartPtr<IMMDevice>& device)
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{
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EDataFlow flow = eRender;
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ComSmartPtr <IMMEndpoint> endPoint;
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if (check (device.QueryInterface (endPoint)))
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(void) check (endPoint->GetDataFlow (&flow));
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return flow;
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}
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int refTimeToSamples (const REFERENCE_TIME& t, const double sampleRate) noexcept
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{
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return roundToInt (sampleRate * ((double) t) * 0.0000001);
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}
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void copyWavFormat (WAVEFORMATEXTENSIBLE& dest, const WAVEFORMATEX* const src) noexcept
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{
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memcpy (&dest, src, src->wFormatTag == WAVE_FORMAT_EXTENSIBLE ? sizeof (WAVEFORMATEXTENSIBLE)
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: sizeof (WAVEFORMATEX));
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}
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//==============================================================================
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class WASAPIDeviceBase
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{
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public:
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WASAPIDeviceBase (const ComSmartPtr <IMMDevice>& d, const bool exclusiveMode)
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: device (d),
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sampleRate (0),
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defaultSampleRate (0),
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numChannels (0),
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actualNumChannels (0),
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minBufferSize (0),
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defaultBufferSize (0),
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latencySamples (0),
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useExclusiveMode (exclusiveMode),
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sampleRateHasChanged (false)
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{
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clientEvent = CreateEvent (0, false, false, _T("JuceWASAPI"));
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|
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ComSmartPtr <IAudioClient> tempClient (createClient());
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if (tempClient == nullptr)
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return;
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REFERENCE_TIME defaultPeriod, minPeriod;
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if (! check (tempClient->GetDevicePeriod (&defaultPeriod, &minPeriod)))
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return;
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WAVEFORMATEX* mixFormat = nullptr;
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if (! check (tempClient->GetMixFormat (&mixFormat)))
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return;
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WAVEFORMATEXTENSIBLE format;
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copyWavFormat (format, mixFormat);
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CoTaskMemFree (mixFormat);
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actualNumChannels = numChannels = format.Format.nChannels;
|
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defaultSampleRate = format.Format.nSamplesPerSec;
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minBufferSize = refTimeToSamples (minPeriod, defaultSampleRate);
|
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defaultBufferSize = refTimeToSamples (defaultPeriod, defaultSampleRate);
|
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mixFormatChannelMask = format.dwChannelMask;
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|
|
rates.addUsingDefaultSort (defaultSampleRate);
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|
|
|
static const int ratesToTest[] = { 44100, 48000, 88200, 96000, 176400, 192000 };
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|
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for (int i = 0; i < numElementsInArray (ratesToTest); ++i)
|
|
{
|
|
if (ratesToTest[i] == defaultSampleRate)
|
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continue;
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|
|
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format.Format.nSamplesPerSec = (DWORD) ratesToTest[i];
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|
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if (SUCCEEDED (tempClient->IsFormatSupported (useExclusiveMode ? AUDCLNT_SHAREMODE_EXCLUSIVE : AUDCLNT_SHAREMODE_SHARED,
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(WAVEFORMATEX*) &format, 0)))
|
|
if (! rates.contains (ratesToTest[i]))
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rates.addUsingDefaultSort (ratesToTest[i]);
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|
}
|
|
}
|
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|
|
virtual ~WASAPIDeviceBase()
|
|
{
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|
device = nullptr;
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|
CloseHandle (clientEvent);
|
|
}
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|
|
|
bool isOk() const noexcept { return defaultBufferSize > 0 && defaultSampleRate > 0; }
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|
|
bool openClient (const double newSampleRate, const BigInteger& newChannels)
|
|
{
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|
sampleRate = newSampleRate;
|
|
channels = newChannels;
|
|
channels.setRange (actualNumChannels, channels.getHighestBit() + 1 - actualNumChannels, false);
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numChannels = channels.getHighestBit() + 1;
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|
|
if (numChannels == 0)
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return true;
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|
|
client = createClient();
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|
|
|
if (client != nullptr
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&& (tryInitialisingWithFormat (true, 4) || tryInitialisingWithFormat (false, 4)
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|| tryInitialisingWithFormat (false, 3) || tryInitialisingWithFormat (false, 2)))
|
|
{
|
|
sampleRateHasChanged = false;
|
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|
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channelMaps.clear();
|
|
for (int i = 0; i <= channels.getHighestBit(); ++i)
|
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if (channels[i])
|
|
channelMaps.add (i);
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|
|
REFERENCE_TIME latency;
|
|
if (check (client->GetStreamLatency (&latency)))
|
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latencySamples = refTimeToSamples (latency, sampleRate);
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|
|
|
(void) check (client->GetBufferSize (&actualBufferSize));
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|
|
|
createSessionEventCallback();
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|
|
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return check (client->SetEventHandle (clientEvent));
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|
}
|
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|
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return false;
|
|
}
|
|
|
|
void closeClient()
|
|
{
|
|
if (client != nullptr)
|
|
client->Stop();
|
|
|
|
deleteSessionEventCallback();
|
|
client = nullptr;
|
|
ResetEvent (clientEvent);
|
|
}
|
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|
|
void deviceSampleRateChanged()
|
|
{
|
|
sampleRateHasChanged = true;
|
|
}
|
|
|
|
//==============================================================================
|
|
ComSmartPtr <IMMDevice> device;
|
|
ComSmartPtr <IAudioClient> client;
|
|
double sampleRate, defaultSampleRate;
|
|
int numChannels, actualNumChannels;
|
|
int minBufferSize, defaultBufferSize, latencySamples;
|
|
DWORD mixFormatChannelMask;
|
|
const bool useExclusiveMode;
|
|
Array <double> rates;
|
|
HANDLE clientEvent;
|
|
BigInteger channels;
|
|
Array <int> channelMaps;
|
|
UINT32 actualBufferSize;
|
|
int bytesPerSample;
|
|
bool sampleRateHasChanged;
|
|
|
|
virtual void updateFormat (bool isFloat) = 0;
|
|
|
|
private:
|
|
//==============================================================================
|
|
class SessionEventCallback : public ComBaseClassHelper <IAudioSessionEvents>
|
|
{
|
|
public:
|
|
SessionEventCallback (WASAPIDeviceBase& d) : owner (d) {}
|
|
|
|
JUCE_COMRESULT OnDisplayNameChanged (LPCWSTR, LPCGUID) { return S_OK; }
|
|
JUCE_COMRESULT OnIconPathChanged (LPCWSTR, LPCGUID) { return S_OK; }
|
|
JUCE_COMRESULT OnSimpleVolumeChanged (float, BOOL, LPCGUID) { return S_OK; }
|
|
JUCE_COMRESULT OnChannelVolumeChanged (DWORD, float*, DWORD, LPCGUID) { return S_OK; }
|
|
JUCE_COMRESULT OnGroupingParamChanged (LPCGUID, LPCGUID) { return S_OK; }
|
|
JUCE_COMRESULT OnStateChanged (AudioSessionState) { return S_OK; }
|
|
|
|
JUCE_COMRESULT OnSessionDisconnected (AudioSessionDisconnectReason reason)
|
|
{
|
|
if (reason == DisconnectReasonFormatChanged)
|
|
owner.deviceSampleRateChanged();
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
private:
|
|
WASAPIDeviceBase& owner;
|
|
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (SessionEventCallback)
|
|
};
|
|
|
|
ComSmartPtr <IAudioSessionControl> audioSessionControl;
|
|
ComSmartPtr <SessionEventCallback> sessionEventCallback;
|
|
|
|
void createSessionEventCallback()
|
|
{
|
|
deleteSessionEventCallback();
|
|
client->GetService (__uuidof (IAudioSessionControl),
|
|
(void**) audioSessionControl.resetAndGetPointerAddress());
|
|
|
|
if (audioSessionControl != nullptr)
|
|
{
|
|
sessionEventCallback = new SessionEventCallback (*this);
|
|
audioSessionControl->RegisterAudioSessionNotification (sessionEventCallback);
|
|
sessionEventCallback->Release(); // (required because ComBaseClassHelper objects are constructed with a ref count of 1)
|
|
}
|
|
}
|
|
|
|
void deleteSessionEventCallback()
|
|
{
|
|
if (audioSessionControl != nullptr && sessionEventCallback != nullptr)
|
|
audioSessionControl->UnregisterAudioSessionNotification (sessionEventCallback);
|
|
|
|
audioSessionControl = nullptr;
|
|
sessionEventCallback = nullptr;
|
|
}
|
|
|
|
//==============================================================================
|
|
const ComSmartPtr <IAudioClient> createClient()
|
|
{
|
|
ComSmartPtr <IAudioClient> client;
|
|
|
|
if (device != nullptr)
|
|
{
|
|
HRESULT hr = device->Activate (__uuidof (IAudioClient), CLSCTX_INPROC_SERVER,
|
|
nullptr, (void**) client.resetAndGetPointerAddress());
|
|
logFailure (hr);
|
|
}
|
|
|
|
return client;
|
|
}
|
|
|
|
bool tryInitialisingWithFormat (const bool useFloat, const int bytesPerSampleToTry)
|
|
{
|
|
WAVEFORMATEXTENSIBLE format;
|
|
zerostruct (format);
|
|
|
|
if (numChannels <= 2 && bytesPerSampleToTry <= 2)
|
|
{
|
|
format.Format.wFormatTag = WAVE_FORMAT_PCM;
|
|
}
|
|
else
|
|
{
|
|
format.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
|
|
format.Format.cbSize = sizeof (WAVEFORMATEXTENSIBLE) - sizeof (WAVEFORMATEX);
|
|
}
|
|
|
|
format.Format.nSamplesPerSec = (DWORD) sampleRate;
|
|
format.Format.nChannels = (WORD) numChannels;
|
|
format.Format.wBitsPerSample = (WORD) (8 * bytesPerSampleToTry);
|
|
format.Format.nAvgBytesPerSec = (DWORD) (format.Format.nSamplesPerSec * numChannels * bytesPerSampleToTry);
|
|
format.Format.nBlockAlign = (WORD) (numChannels * bytesPerSampleToTry);
|
|
format.SubFormat = useFloat ? KSDATAFORMAT_SUBTYPE_IEEE_FLOAT : KSDATAFORMAT_SUBTYPE_PCM;
|
|
format.Samples.wValidBitsPerSample = format.Format.wBitsPerSample;
|
|
format.dwChannelMask = mixFormatChannelMask;
|
|
|
|
WAVEFORMATEXTENSIBLE* nearestFormat = nullptr;
|
|
|
|
HRESULT hr = client->IsFormatSupported (useExclusiveMode ? AUDCLNT_SHAREMODE_EXCLUSIVE
|
|
: AUDCLNT_SHAREMODE_SHARED,
|
|
(WAVEFORMATEX*) &format,
|
|
useExclusiveMode ? nullptr : (WAVEFORMATEX**) &nearestFormat);
|
|
logFailure (hr);
|
|
|
|
if (hr == S_FALSE && format.Format.nSamplesPerSec == nearestFormat->Format.nSamplesPerSec)
|
|
{
|
|
copyWavFormat (format, (WAVEFORMATEX*) nearestFormat);
|
|
hr = S_OK;
|
|
}
|
|
|
|
CoTaskMemFree (nearestFormat);
|
|
|
|
REFERENCE_TIME defaultPeriod = 0, minPeriod = 0;
|
|
if (useExclusiveMode)
|
|
check (client->GetDevicePeriod (&defaultPeriod, &minPeriod));
|
|
|
|
GUID session;
|
|
if (hr == S_OK
|
|
&& check (client->Initialize (useExclusiveMode ? AUDCLNT_SHAREMODE_EXCLUSIVE : AUDCLNT_SHAREMODE_SHARED,
|
|
0x40000 /*AUDCLNT_STREAMFLAGS_EVENTCALLBACK*/,
|
|
defaultPeriod, defaultPeriod, (WAVEFORMATEX*) &format, &session)))
|
|
{
|
|
actualNumChannels = format.Format.nChannels;
|
|
const bool isFloat = format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE && format.SubFormat == KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
|
|
bytesPerSample = format.Format.wBitsPerSample / 8;
|
|
|
|
updateFormat (isFloat);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (WASAPIDeviceBase)
|
|
};
|
|
|
|
//==============================================================================
|
|
class WASAPIInputDevice : public WASAPIDeviceBase
|
|
{
|
|
public:
|
|
WASAPIInputDevice (const ComSmartPtr <IMMDevice>& d, const bool exclusiveMode)
|
|
: WASAPIDeviceBase (d, exclusiveMode),
|
|
reservoir (1, 1)
|
|
{
|
|
}
|
|
|
|
~WASAPIInputDevice()
|
|
{
|
|
close();
|
|
}
|
|
|
|
bool open (const double newSampleRate, const BigInteger& newChannels)
|
|
{
|
|
reservoirSize = 0;
|
|
reservoirCapacity = 16384;
|
|
reservoir.setSize (actualNumChannels * reservoirCapacity * sizeof (float));
|
|
return openClient (newSampleRate, newChannels)
|
|
&& (numChannels == 0 || check (client->GetService (__uuidof (IAudioCaptureClient),
|
|
(void**) captureClient.resetAndGetPointerAddress())));
|
|
}
|
|
|
|
void close()
|
|
{
|
|
closeClient();
|
|
captureClient = nullptr;
|
|
reservoir.setSize (0);
|
|
}
|
|
|
|
template <class SourceType>
|
|
void updateFormatWithType (SourceType*)
|
|
{
|
|
typedef AudioData::Pointer <AudioData::Float32, AudioData::NativeEndian, AudioData::NonInterleaved, AudioData::NonConst> NativeType;
|
|
converter = new AudioData::ConverterInstance <AudioData::Pointer <SourceType, AudioData::LittleEndian, AudioData::Interleaved, AudioData::Const>, NativeType> (actualNumChannels, 1);
|
|
}
|
|
|
|
void updateFormat (bool isFloat)
|
|
{
|
|
if (isFloat) updateFormatWithType ((AudioData::Float32*) 0);
|
|
else if (bytesPerSample == 4) updateFormatWithType ((AudioData::Int32*) 0);
|
|
else if (bytesPerSample == 3) updateFormatWithType ((AudioData::Int24*) 0);
|
|
else updateFormatWithType ((AudioData::Int16*) 0);
|
|
}
|
|
|
|
void copyBuffers (float** destBuffers, int numDestBuffers, int bufferSize, Thread& thread)
|
|
{
|
|
if (numChannels <= 0)
|
|
return;
|
|
|
|
int offset = 0;
|
|
|
|
while (bufferSize > 0)
|
|
{
|
|
if (reservoirSize > 0) // There's stuff in the reservoir, so use that...
|
|
{
|
|
const int samplesToDo = jmin (bufferSize, (int) reservoirSize);
|
|
|
|
for (int i = 0; i < numDestBuffers; ++i)
|
|
converter->convertSamples (destBuffers[i] + offset, 0, reservoir.getData(), channelMaps.getUnchecked(i), samplesToDo);
|
|
|
|
bufferSize -= samplesToDo;
|
|
offset += samplesToDo;
|
|
reservoirSize = 0;
|
|
}
|
|
else
|
|
{
|
|
UINT32 packetLength = 0;
|
|
if (! check (captureClient->GetNextPacketSize (&packetLength)))
|
|
break;
|
|
|
|
if (packetLength == 0)
|
|
{
|
|
if (thread.threadShouldExit()
|
|
|| WaitForSingleObject (clientEvent, 1000) == WAIT_TIMEOUT)
|
|
break;
|
|
|
|
continue;
|
|
}
|
|
|
|
uint8* inputData;
|
|
UINT32 numSamplesAvailable;
|
|
DWORD flags;
|
|
|
|
if (check (captureClient->GetBuffer (&inputData, &numSamplesAvailable, &flags, 0, 0)))
|
|
{
|
|
const int samplesToDo = jmin (bufferSize, (int) numSamplesAvailable);
|
|
|
|
for (int i = 0; i < numDestBuffers; ++i)
|
|
converter->convertSamples (destBuffers[i] + offset, 0, inputData, channelMaps.getUnchecked(i), samplesToDo);
|
|
|
|
bufferSize -= samplesToDo;
|
|
offset += samplesToDo;
|
|
|
|
if (samplesToDo < (int) numSamplesAvailable)
|
|
{
|
|
reservoirSize = jmin ((int) (numSamplesAvailable - samplesToDo), reservoirCapacity);
|
|
memcpy ((uint8*) reservoir.getData(), inputData + bytesPerSample * actualNumChannels * samplesToDo,
|
|
(size_t) (bytesPerSample * actualNumChannels * reservoirSize));
|
|
}
|
|
|
|
captureClient->ReleaseBuffer (numSamplesAvailable);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
ComSmartPtr <IAudioCaptureClient> captureClient;
|
|
MemoryBlock reservoir;
|
|
int reservoirSize, reservoirCapacity;
|
|
ScopedPointer <AudioData::Converter> converter;
|
|
|
|
private:
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (WASAPIInputDevice)
|
|
};
|
|
|
|
//==============================================================================
|
|
class WASAPIOutputDevice : public WASAPIDeviceBase
|
|
{
|
|
public:
|
|
WASAPIOutputDevice (const ComSmartPtr <IMMDevice>& d, const bool exclusiveMode)
|
|
: WASAPIDeviceBase (d, exclusiveMode)
|
|
{
|
|
}
|
|
|
|
~WASAPIOutputDevice()
|
|
{
|
|
close();
|
|
}
|
|
|
|
bool open (const double newSampleRate, const BigInteger& newChannels)
|
|
{
|
|
return openClient (newSampleRate, newChannels)
|
|
&& (numChannels == 0 || check (client->GetService (__uuidof (IAudioRenderClient), (void**) renderClient.resetAndGetPointerAddress())));
|
|
}
|
|
|
|
void close()
|
|
{
|
|
closeClient();
|
|
renderClient = nullptr;
|
|
}
|
|
|
|
template <class DestType>
|
|
void updateFormatWithType (DestType*)
|
|
{
|
|
typedef AudioData::Pointer <AudioData::Float32, AudioData::NativeEndian, AudioData::NonInterleaved, AudioData::Const> NativeType;
|
|
converter = new AudioData::ConverterInstance <NativeType, AudioData::Pointer <DestType, AudioData::LittleEndian, AudioData::Interleaved, AudioData::NonConst> > (1, actualNumChannels);
|
|
}
|
|
|
|
void updateFormat (bool isFloat)
|
|
{
|
|
if (isFloat) updateFormatWithType ((AudioData::Float32*) 0);
|
|
else if (bytesPerSample == 4) updateFormatWithType ((AudioData::Int32*) 0);
|
|
else if (bytesPerSample == 3) updateFormatWithType ((AudioData::Int24*) 0);
|
|
else updateFormatWithType ((AudioData::Int16*) 0);
|
|
}
|
|
|
|
void copyBuffers (const float** const srcBuffers, const int numSrcBuffers, int bufferSize, Thread& thread)
|
|
{
|
|
if (numChannels <= 0)
|
|
return;
|
|
|
|
int offset = 0;
|
|
|
|
while (bufferSize > 0)
|
|
{
|
|
UINT32 padding = 0;
|
|
if (! check (client->GetCurrentPadding (&padding)))
|
|
return;
|
|
|
|
int samplesToDo = useExclusiveMode ? bufferSize
|
|
: jmin ((int) (actualBufferSize - padding), bufferSize);
|
|
|
|
if (samplesToDo <= 0)
|
|
{
|
|
if (thread.threadShouldExit()
|
|
|| WaitForSingleObject (clientEvent, 1000) == WAIT_TIMEOUT)
|
|
break;
|
|
|
|
continue;
|
|
}
|
|
|
|
uint8* outputData = nullptr;
|
|
if (check (renderClient->GetBuffer ((UINT32) samplesToDo, &outputData)))
|
|
{
|
|
for (int i = 0; i < numSrcBuffers; ++i)
|
|
converter->convertSamples (outputData, channelMaps.getUnchecked(i), srcBuffers[i] + offset, 0, samplesToDo);
|
|
|
|
renderClient->ReleaseBuffer ((UINT32) samplesToDo, 0);
|
|
|
|
offset += samplesToDo;
|
|
bufferSize -= samplesToDo;
|
|
}
|
|
}
|
|
}
|
|
|
|
ComSmartPtr <IAudioRenderClient> renderClient;
|
|
ScopedPointer <AudioData::Converter> converter;
|
|
|
|
private:
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (WASAPIOutputDevice)
|
|
};
|
|
|
|
//==============================================================================
|
|
class WASAPIAudioIODevice : public AudioIODevice,
|
|
public Thread,
|
|
private AsyncUpdater
|
|
{
|
|
public:
|
|
WASAPIAudioIODevice (const String& deviceName,
|
|
const String& outputDeviceId_,
|
|
const String& inputDeviceId_,
|
|
const bool exclusiveMode)
|
|
: AudioIODevice (deviceName, "Windows Audio"),
|
|
Thread ("Juce WASAPI"),
|
|
outputDeviceId (outputDeviceId_),
|
|
inputDeviceId (inputDeviceId_),
|
|
useExclusiveMode (exclusiveMode),
|
|
isOpen_ (false),
|
|
isStarted (false),
|
|
currentBufferSizeSamples (0),
|
|
currentSampleRate (0),
|
|
callback (nullptr)
|
|
{
|
|
}
|
|
|
|
~WASAPIAudioIODevice()
|
|
{
|
|
close();
|
|
}
|
|
|
|
bool initialise()
|
|
{
|
|
latencyIn = latencyOut = 0;
|
|
Array <double> ratesIn, ratesOut;
|
|
|
|
if (createDevices())
|
|
{
|
|
jassert (inputDevice != nullptr || outputDevice != nullptr);
|
|
|
|
if (inputDevice != nullptr && outputDevice != nullptr)
|
|
{
|
|
defaultSampleRate = jmin (inputDevice->defaultSampleRate, outputDevice->defaultSampleRate);
|
|
minBufferSize = jmin (inputDevice->minBufferSize, outputDevice->minBufferSize);
|
|
defaultBufferSize = jmax (inputDevice->defaultBufferSize, outputDevice->defaultBufferSize);
|
|
sampleRates = inputDevice->rates;
|
|
sampleRates.removeValuesNotIn (outputDevice->rates);
|
|
}
|
|
else
|
|
{
|
|
WASAPIDeviceBase* d = inputDevice != nullptr ? static_cast<WASAPIDeviceBase*> (inputDevice)
|
|
: static_cast<WASAPIDeviceBase*> (outputDevice);
|
|
defaultSampleRate = d->defaultSampleRate;
|
|
minBufferSize = d->minBufferSize;
|
|
defaultBufferSize = d->defaultBufferSize;
|
|
sampleRates = d->rates;
|
|
}
|
|
|
|
bufferSizes.addUsingDefaultSort (defaultBufferSize);
|
|
if (minBufferSize != defaultBufferSize)
|
|
bufferSizes.addUsingDefaultSort (minBufferSize);
|
|
|
|
int n = 64;
|
|
for (int i = 0; i < 40; ++i)
|
|
{
|
|
if (n >= minBufferSize && n <= 2048 && ! bufferSizes.contains (n))
|
|
bufferSizes.addUsingDefaultSort (n);
|
|
|
|
n += (n < 512) ? 32 : (n < 1024 ? 64 : 128);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
StringArray getOutputChannelNames() override
|
|
{
|
|
StringArray outChannels;
|
|
|
|
if (outputDevice != nullptr)
|
|
for (int i = 1; i <= outputDevice->actualNumChannels; ++i)
|
|
outChannels.add ("Output channel " + String (i));
|
|
|
|
return outChannels;
|
|
}
|
|
|
|
StringArray getInputChannelNames() override
|
|
{
|
|
StringArray inChannels;
|
|
|
|
if (inputDevice != nullptr)
|
|
for (int i = 1; i <= inputDevice->actualNumChannels; ++i)
|
|
inChannels.add ("Input channel " + String (i));
|
|
|
|
return inChannels;
|
|
}
|
|
|
|
Array<double> getAvailableSampleRates() override { return sampleRates; }
|
|
Array<int> getAvailableBufferSizes() override { return bufferSizes; }
|
|
int getDefaultBufferSize() override { return defaultBufferSize; }
|
|
|
|
int getCurrentBufferSizeSamples() override { return currentBufferSizeSamples; }
|
|
double getCurrentSampleRate() override { return currentSampleRate; }
|
|
int getCurrentBitDepth() override { return 32; }
|
|
int getOutputLatencyInSamples() override { return latencyOut; }
|
|
int getInputLatencyInSamples() override { return latencyIn; }
|
|
BigInteger getActiveOutputChannels() const override { return outputDevice != nullptr ? outputDevice->channels : BigInteger(); }
|
|
BigInteger getActiveInputChannels() const override { return inputDevice != nullptr ? inputDevice->channels : BigInteger(); }
|
|
String getLastError() override { return lastError; }
|
|
|
|
|
|
String open (const BigInteger& inputChannels, const BigInteger& outputChannels,
|
|
double sampleRate, int bufferSizeSamples) override
|
|
{
|
|
close();
|
|
lastError.clear();
|
|
|
|
if (sampleRates.size() == 0 && inputDevice != nullptr && outputDevice != nullptr)
|
|
{
|
|
lastError = TRANS("The input and output devices don't share a common sample rate!");
|
|
return lastError;
|
|
}
|
|
|
|
currentBufferSizeSamples = bufferSizeSamples <= 0 ? defaultBufferSize : jmax (bufferSizeSamples, minBufferSize);
|
|
currentSampleRate = sampleRate > 0 ? sampleRate : defaultSampleRate;
|
|
lastKnownInputChannels = inputChannels;
|
|
lastKnownOutputChannels = outputChannels;
|
|
|
|
if (inputDevice != nullptr && ! inputDevice->open (currentSampleRate, inputChannels))
|
|
{
|
|
lastError = TRANS("Couldn't open the input device!");
|
|
return lastError;
|
|
}
|
|
|
|
if (outputDevice != nullptr && ! outputDevice->open (currentSampleRate, outputChannels))
|
|
{
|
|
close();
|
|
lastError = TRANS("Couldn't open the output device!");
|
|
return lastError;
|
|
}
|
|
|
|
if (inputDevice != nullptr) ResetEvent (inputDevice->clientEvent);
|
|
if (outputDevice != nullptr) ResetEvent (outputDevice->clientEvent);
|
|
|
|
startThread (8);
|
|
Thread::sleep (5);
|
|
|
|
if (inputDevice != nullptr && inputDevice->client != nullptr)
|
|
{
|
|
latencyIn = (int) (inputDevice->latencySamples + currentBufferSizeSamples);
|
|
|
|
if (! check (inputDevice->client->Start()))
|
|
{
|
|
close();
|
|
lastError = TRANS("Couldn't start the input device!");
|
|
return lastError;
|
|
}
|
|
}
|
|
|
|
if (outputDevice != nullptr && outputDevice->client != nullptr)
|
|
{
|
|
latencyOut = (int) (outputDevice->latencySamples + currentBufferSizeSamples);
|
|
|
|
if (! check (outputDevice->client->Start()))
|
|
{
|
|
close();
|
|
lastError = TRANS("Couldn't start the output device!");
|
|
return lastError;
|
|
}
|
|
}
|
|
|
|
isOpen_ = true;
|
|
return lastError;
|
|
}
|
|
|
|
void close() override
|
|
{
|
|
stop();
|
|
signalThreadShouldExit();
|
|
|
|
if (inputDevice != nullptr) SetEvent (inputDevice->clientEvent);
|
|
if (outputDevice != nullptr) SetEvent (outputDevice->clientEvent);
|
|
|
|
stopThread (5000);
|
|
|
|
if (inputDevice != nullptr) inputDevice->close();
|
|
if (outputDevice != nullptr) outputDevice->close();
|
|
|
|
isOpen_ = false;
|
|
}
|
|
|
|
bool isOpen() override { return isOpen_ && isThreadRunning(); }
|
|
bool isPlaying() override { return isStarted && isOpen_ && isThreadRunning(); }
|
|
|
|
void start (AudioIODeviceCallback* call) override
|
|
{
|
|
if (isOpen_ && call != nullptr && ! isStarted)
|
|
{
|
|
if (! isThreadRunning())
|
|
{
|
|
// something's gone wrong and the thread's stopped..
|
|
isOpen_ = false;
|
|
return;
|
|
}
|
|
|
|
call->audioDeviceAboutToStart (this);
|
|
|
|
const ScopedLock sl (startStopLock);
|
|
callback = call;
|
|
isStarted = true;
|
|
}
|
|
}
|
|
|
|
void stop() override
|
|
{
|
|
if (isStarted)
|
|
{
|
|
AudioIODeviceCallback* const callbackLocal = callback;
|
|
|
|
{
|
|
const ScopedLock sl (startStopLock);
|
|
isStarted = false;
|
|
}
|
|
|
|
if (callbackLocal != nullptr)
|
|
callbackLocal->audioDeviceStopped();
|
|
}
|
|
}
|
|
|
|
void setMMThreadPriority()
|
|
{
|
|
DynamicLibrary dll ("avrt.dll");
|
|
JUCE_LOAD_WINAPI_FUNCTION (dll, AvSetMmThreadCharacteristicsW, avSetMmThreadCharacteristics, HANDLE, (LPCWSTR, LPDWORD))
|
|
JUCE_LOAD_WINAPI_FUNCTION (dll, AvSetMmThreadPriority, avSetMmThreadPriority, HANDLE, (HANDLE, AVRT_PRIORITY))
|
|
|
|
if (avSetMmThreadCharacteristics != 0 && avSetMmThreadPriority != 0)
|
|
{
|
|
DWORD dummy = 0;
|
|
HANDLE h = avSetMmThreadCharacteristics (L"Pro Audio", &dummy);
|
|
|
|
if (h != 0)
|
|
avSetMmThreadPriority (h, AVRT_PRIORITY_NORMAL);
|
|
}
|
|
}
|
|
|
|
void run() override
|
|
{
|
|
setMMThreadPriority();
|
|
|
|
const int bufferSize = currentBufferSizeSamples;
|
|
const int numInputBuffers = getActiveInputChannels().countNumberOfSetBits();
|
|
const int numOutputBuffers = getActiveOutputChannels().countNumberOfSetBits();
|
|
bool sampleRateChanged = false;
|
|
|
|
AudioSampleBuffer ins (jmax (1, numInputBuffers), bufferSize + 32);
|
|
AudioSampleBuffer outs (jmax (1, numOutputBuffers), bufferSize + 32);
|
|
float** const inputBuffers = ins.getArrayOfChannels();
|
|
float** const outputBuffers = outs.getArrayOfChannels();
|
|
ins.clear();
|
|
|
|
while (! threadShouldExit())
|
|
{
|
|
if (inputDevice != nullptr)
|
|
{
|
|
inputDevice->copyBuffers (inputBuffers, numInputBuffers, bufferSize, *this);
|
|
|
|
if (threadShouldExit())
|
|
break;
|
|
|
|
if (inputDevice->sampleRateHasChanged)
|
|
{
|
|
sampleRateChanged = true;
|
|
sampleRateChangedByOutput = false;
|
|
}
|
|
}
|
|
|
|
{
|
|
const ScopedLock sl (startStopLock);
|
|
|
|
if (isStarted)
|
|
callback->audioDeviceIOCallback (const_cast <const float**> (inputBuffers), numInputBuffers,
|
|
outputBuffers, numOutputBuffers, bufferSize);
|
|
else
|
|
outs.clear();
|
|
}
|
|
|
|
if (outputDevice != nullptr)
|
|
{
|
|
outputDevice->copyBuffers (const_cast <const float**> (outputBuffers), numOutputBuffers, bufferSize, *this);
|
|
|
|
if (outputDevice->sampleRateHasChanged)
|
|
{
|
|
sampleRateChanged = true;
|
|
sampleRateChangedByOutput = true;
|
|
}
|
|
}
|
|
|
|
if (sampleRateChanged)
|
|
{
|
|
triggerAsyncUpdate();
|
|
break; // Quit the thread... will restart it later!
|
|
}
|
|
}
|
|
}
|
|
|
|
//==============================================================================
|
|
String outputDeviceId, inputDeviceId;
|
|
String lastError;
|
|
|
|
private:
|
|
// Device stats...
|
|
ScopedPointer<WASAPIInputDevice> inputDevice;
|
|
ScopedPointer<WASAPIOutputDevice> outputDevice;
|
|
const bool useExclusiveMode;
|
|
double defaultSampleRate;
|
|
int minBufferSize, defaultBufferSize;
|
|
int latencyIn, latencyOut;
|
|
Array <double> sampleRates;
|
|
Array <int> bufferSizes;
|
|
|
|
// Active state...
|
|
bool isOpen_, isStarted;
|
|
int currentBufferSizeSamples;
|
|
double currentSampleRate;
|
|
bool sampleRateChangedByOutput;
|
|
|
|
AudioIODeviceCallback* callback;
|
|
CriticalSection startStopLock;
|
|
|
|
BigInteger lastKnownInputChannels, lastKnownOutputChannels;
|
|
|
|
//==============================================================================
|
|
bool createDevices()
|
|
{
|
|
ComSmartPtr <IMMDeviceEnumerator> enumerator;
|
|
if (! check (enumerator.CoCreateInstance (__uuidof (MMDeviceEnumerator))))
|
|
return false;
|
|
|
|
ComSmartPtr <IMMDeviceCollection> deviceCollection;
|
|
if (! check (enumerator->EnumAudioEndpoints (eAll, DEVICE_STATE_ACTIVE, deviceCollection.resetAndGetPointerAddress())))
|
|
return false;
|
|
|
|
UINT32 numDevices = 0;
|
|
if (! check (deviceCollection->GetCount (&numDevices)))
|
|
return false;
|
|
|
|
for (UINT32 i = 0; i < numDevices; ++i)
|
|
{
|
|
ComSmartPtr <IMMDevice> device;
|
|
if (! check (deviceCollection->Item (i, device.resetAndGetPointerAddress())))
|
|
continue;
|
|
|
|
const String deviceId (getDeviceID (device));
|
|
if (deviceId.isEmpty())
|
|
continue;
|
|
|
|
const EDataFlow flow = getDataFlow (device);
|
|
|
|
if (deviceId == inputDeviceId && flow == eCapture)
|
|
inputDevice = new WASAPIInputDevice (device, useExclusiveMode);
|
|
else if (deviceId == outputDeviceId && flow == eRender)
|
|
outputDevice = new WASAPIOutputDevice (device, useExclusiveMode);
|
|
}
|
|
|
|
return (outputDeviceId.isEmpty() || (outputDevice != nullptr && outputDevice->isOk()))
|
|
&& (inputDeviceId.isEmpty() || (inputDevice != nullptr && inputDevice->isOk()));
|
|
}
|
|
|
|
//==============================================================================
|
|
void handleAsyncUpdate() override
|
|
{
|
|
stop();
|
|
|
|
outputDevice = nullptr;
|
|
inputDevice = nullptr;
|
|
initialise();
|
|
|
|
open (lastKnownInputChannels, lastKnownOutputChannels,
|
|
getChangedSampleRate(), currentBufferSizeSamples);
|
|
|
|
start (callback);
|
|
}
|
|
|
|
double getChangedSampleRate() const
|
|
{
|
|
if (outputDevice != nullptr && sampleRateChangedByOutput)
|
|
return outputDevice->defaultSampleRate;
|
|
|
|
if (inputDevice != nullptr && ! sampleRateChangedByOutput)
|
|
return inputDevice->defaultSampleRate;
|
|
|
|
return 0.0;
|
|
}
|
|
|
|
//==============================================================================
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (WASAPIAudioIODevice)
|
|
};
|
|
|
|
|
|
//==============================================================================
|
|
class WASAPIAudioIODeviceType : public AudioIODeviceType,
|
|
private DeviceChangeDetector
|
|
{
|
|
public:
|
|
WASAPIAudioIODeviceType()
|
|
: AudioIODeviceType ("Windows Audio"),
|
|
DeviceChangeDetector (L"Windows Audio"),
|
|
hasScanned (false)
|
|
{
|
|
}
|
|
|
|
~WASAPIAudioIODeviceType()
|
|
{
|
|
if (notifyClient != nullptr)
|
|
enumerator->UnregisterEndpointNotificationCallback (notifyClient);
|
|
}
|
|
|
|
//==============================================================================
|
|
void scanForDevices()
|
|
{
|
|
hasScanned = true;
|
|
|
|
outputDeviceNames.clear();
|
|
inputDeviceNames.clear();
|
|
outputDeviceIds.clear();
|
|
inputDeviceIds.clear();
|
|
|
|
scan (outputDeviceNames, inputDeviceNames,
|
|
outputDeviceIds, inputDeviceIds);
|
|
}
|
|
|
|
StringArray getDeviceNames (bool wantInputNames) const
|
|
{
|
|
jassert (hasScanned); // need to call scanForDevices() before doing this
|
|
|
|
return wantInputNames ? inputDeviceNames
|
|
: outputDeviceNames;
|
|
}
|
|
|
|
int getDefaultDeviceIndex (bool /*forInput*/) const
|
|
{
|
|
jassert (hasScanned); // need to call scanForDevices() before doing this
|
|
return 0;
|
|
}
|
|
|
|
int getIndexOfDevice (AudioIODevice* device, bool asInput) const
|
|
{
|
|
jassert (hasScanned); // need to call scanForDevices() before doing this
|
|
WASAPIAudioIODevice* const d = dynamic_cast <WASAPIAudioIODevice*> (device);
|
|
return d == nullptr ? -1 : (asInput ? inputDeviceIds.indexOf (d->inputDeviceId)
|
|
: outputDeviceIds.indexOf (d->outputDeviceId));
|
|
}
|
|
|
|
bool hasSeparateInputsAndOutputs() const { return true; }
|
|
|
|
AudioIODevice* createDevice (const String& outputDeviceName,
|
|
const String& inputDeviceName)
|
|
{
|
|
jassert (hasScanned); // need to call scanForDevices() before doing this
|
|
|
|
const bool useExclusiveMode = false;
|
|
ScopedPointer<WASAPIAudioIODevice> device;
|
|
|
|
const int outputIndex = outputDeviceNames.indexOf (outputDeviceName);
|
|
const int inputIndex = inputDeviceNames.indexOf (inputDeviceName);
|
|
|
|
if (outputIndex >= 0 || inputIndex >= 0)
|
|
{
|
|
device = new WASAPIAudioIODevice (outputDeviceName.isNotEmpty() ? outputDeviceName
|
|
: inputDeviceName,
|
|
outputDeviceIds [outputIndex],
|
|
inputDeviceIds [inputIndex],
|
|
useExclusiveMode);
|
|
|
|
if (! device->initialise())
|
|
device = nullptr;
|
|
}
|
|
|
|
return device.release();
|
|
}
|
|
|
|
//==============================================================================
|
|
StringArray outputDeviceNames, outputDeviceIds;
|
|
StringArray inputDeviceNames, inputDeviceIds;
|
|
|
|
private:
|
|
bool hasScanned;
|
|
ComSmartPtr<IMMDeviceEnumerator> enumerator;
|
|
|
|
//==============================================================================
|
|
class ChangeNotificationClient : public ComBaseClassHelper<IMMNotificationClient>
|
|
{
|
|
public:
|
|
ChangeNotificationClient (WASAPIAudioIODeviceType& d)
|
|
: ComBaseClassHelper <IMMNotificationClient> (0), device (d) {}
|
|
|
|
HRESULT STDMETHODCALLTYPE OnDeviceAdded (LPCWSTR) { return notify(); }
|
|
HRESULT STDMETHODCALLTYPE OnDeviceRemoved (LPCWSTR) { return notify(); }
|
|
HRESULT STDMETHODCALLTYPE OnDeviceStateChanged (LPCWSTR, DWORD) { return notify(); }
|
|
HRESULT STDMETHODCALLTYPE OnDefaultDeviceChanged (EDataFlow, ERole, LPCWSTR) { return notify(); }
|
|
HRESULT STDMETHODCALLTYPE OnPropertyValueChanged (LPCWSTR, const PROPERTYKEY) { return notify(); }
|
|
|
|
private:
|
|
WASAPIAudioIODeviceType& device;
|
|
|
|
HRESULT notify() { device.triggerAsyncDeviceChangeCallback(); return S_OK; }
|
|
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ChangeNotificationClient)
|
|
};
|
|
|
|
ComSmartPtr<ChangeNotificationClient> notifyClient;
|
|
|
|
//==============================================================================
|
|
static String getDefaultEndpoint (IMMDeviceEnumerator* const enumerator, const bool forCapture)
|
|
{
|
|
String s;
|
|
IMMDevice* dev = nullptr;
|
|
|
|
if (check (enumerator->GetDefaultAudioEndpoint (forCapture ? eCapture : eRender,
|
|
eMultimedia, &dev)))
|
|
{
|
|
WCHAR* deviceId = nullptr;
|
|
|
|
if (check (dev->GetId (&deviceId)))
|
|
{
|
|
s = deviceId;
|
|
CoTaskMemFree (deviceId);
|
|
}
|
|
|
|
dev->Release();
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
//==============================================================================
|
|
void scan (StringArray& outputDeviceNames,
|
|
StringArray& inputDeviceNames,
|
|
StringArray& outputDeviceIds,
|
|
StringArray& inputDeviceIds)
|
|
{
|
|
if (enumerator == nullptr)
|
|
{
|
|
if (! check (enumerator.CoCreateInstance (__uuidof (MMDeviceEnumerator))))
|
|
return;
|
|
|
|
notifyClient = new ChangeNotificationClient (*this);
|
|
enumerator->RegisterEndpointNotificationCallback (notifyClient);
|
|
}
|
|
|
|
const String defaultRenderer (getDefaultEndpoint (enumerator, false));
|
|
const String defaultCapture (getDefaultEndpoint (enumerator, true));
|
|
|
|
ComSmartPtr <IMMDeviceCollection> deviceCollection;
|
|
UINT32 numDevices = 0;
|
|
|
|
if (! (check (enumerator->EnumAudioEndpoints (eAll, DEVICE_STATE_ACTIVE, deviceCollection.resetAndGetPointerAddress()))
|
|
&& check (deviceCollection->GetCount (&numDevices))))
|
|
return;
|
|
|
|
for (UINT32 i = 0; i < numDevices; ++i)
|
|
{
|
|
ComSmartPtr <IMMDevice> device;
|
|
if (! check (deviceCollection->Item (i, device.resetAndGetPointerAddress())))
|
|
continue;
|
|
|
|
DWORD state = 0;
|
|
if (! (check (device->GetState (&state)) && state == DEVICE_STATE_ACTIVE))
|
|
continue;
|
|
|
|
const String deviceId (getDeviceID (device));
|
|
String name;
|
|
|
|
{
|
|
ComSmartPtr <IPropertyStore> properties;
|
|
if (! check (device->OpenPropertyStore (STGM_READ, properties.resetAndGetPointerAddress())))
|
|
continue;
|
|
|
|
PROPVARIANT value;
|
|
zerostruct (value);
|
|
|
|
const PROPERTYKEY PKEY_Device_FriendlyName
|
|
= { { 0xa45c254e, 0xdf1c, 0x4efd, { 0x80, 0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0 } }, 14 };
|
|
|
|
if (check (properties->GetValue (PKEY_Device_FriendlyName, &value)))
|
|
name = value.pwszVal;
|
|
|
|
PropVariantClear (&value);
|
|
}
|
|
|
|
const EDataFlow flow = getDataFlow (device);
|
|
|
|
if (flow == eRender)
|
|
{
|
|
const int index = (deviceId == defaultRenderer) ? 0 : -1;
|
|
outputDeviceIds.insert (index, deviceId);
|
|
outputDeviceNames.insert (index, name);
|
|
}
|
|
else if (flow == eCapture)
|
|
{
|
|
const int index = (deviceId == defaultCapture) ? 0 : -1;
|
|
inputDeviceIds.insert (index, deviceId);
|
|
inputDeviceNames.insert (index, name);
|
|
}
|
|
}
|
|
|
|
inputDeviceNames.appendNumbersToDuplicates (false, false);
|
|
outputDeviceNames.appendNumbersToDuplicates (false, false);
|
|
}
|
|
|
|
//==============================================================================
|
|
void systemDeviceChanged()
|
|
{
|
|
StringArray newOutNames, newInNames, newOutIds, newInIds;
|
|
scan (newOutNames, newInNames, newOutIds, newInIds);
|
|
|
|
if (newOutNames != outputDeviceNames
|
|
|| newInNames != inputDeviceNames
|
|
|| newOutIds != outputDeviceIds
|
|
|| newInIds != inputDeviceIds)
|
|
{
|
|
hasScanned = true;
|
|
outputDeviceNames = newOutNames;
|
|
inputDeviceNames = newInNames;
|
|
outputDeviceIds = newOutIds;
|
|
inputDeviceIds = newInIds;
|
|
}
|
|
|
|
callDeviceChangeListeners();
|
|
}
|
|
|
|
//==============================================================================
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (WASAPIAudioIODeviceType)
|
|
};
|
|
|
|
//==============================================================================
|
|
struct MMDeviceMasterVolume
|
|
{
|
|
MMDeviceMasterVolume()
|
|
{
|
|
ComSmartPtr<IMMDeviceEnumerator> enumerator;
|
|
if (check (enumerator.CoCreateInstance (__uuidof (MMDeviceEnumerator))))
|
|
{
|
|
ComSmartPtr<IMMDevice> device;
|
|
if (check (enumerator->GetDefaultAudioEndpoint (eRender, eConsole, device.resetAndGetPointerAddress())))
|
|
check (device->Activate (__uuidof (IAudioEndpointVolume), CLSCTX_INPROC_SERVER, nullptr,
|
|
(void**) endpointVolume.resetAndGetPointerAddress()));
|
|
}
|
|
}
|
|
|
|
float getGain() const
|
|
{
|
|
float vol = 0.0f;
|
|
if (endpointVolume != nullptr)
|
|
check (endpointVolume->GetMasterVolumeLevelScalar (&vol));
|
|
|
|
return vol;
|
|
}
|
|
|
|
bool setGain (float newGain) const
|
|
{
|
|
return endpointVolume != nullptr
|
|
&& check (endpointVolume->SetMasterVolumeLevelScalar (jlimit (0.0f, 1.0f, newGain), nullptr));
|
|
}
|
|
|
|
bool isMuted() const
|
|
{
|
|
BOOL mute = 0;
|
|
return endpointVolume != nullptr
|
|
&& check (endpointVolume->GetMute (&mute)) && mute != 0;
|
|
}
|
|
|
|
bool setMuted (bool shouldMute) const
|
|
{
|
|
return endpointVolume != nullptr
|
|
&& check (endpointVolume->SetMute (shouldMute, nullptr));
|
|
}
|
|
|
|
ComSmartPtr<IAudioEndpointVolume> endpointVolume;
|
|
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MMDeviceMasterVolume)
|
|
};
|
|
|
|
}
|
|
|
|
//==============================================================================
|
|
AudioIODeviceType* AudioIODeviceType::createAudioIODeviceType_WASAPI()
|
|
{
|
|
if (SystemStats::getOperatingSystemType() >= SystemStats::WinVista)
|
|
return new WasapiClasses::WASAPIAudioIODeviceType();
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
//==============================================================================
|
|
#define JUCE_SYSTEMAUDIOVOL_IMPLEMENTED 1
|
|
float JUCE_CALLTYPE SystemAudioVolume::getGain() { return WasapiClasses::MMDeviceMasterVolume().getGain(); }
|
|
bool JUCE_CALLTYPE SystemAudioVolume::setGain (float gain) { return WasapiClasses::MMDeviceMasterVolume().setGain (gain); }
|
|
bool JUCE_CALLTYPE SystemAudioVolume::isMuted() { return WasapiClasses::MMDeviceMasterVolume().isMuted(); }
|
|
bool JUCE_CALLTYPE SystemAudioVolume::setMuted (bool mute) { return WasapiClasses::MMDeviceMasterVolume().setMuted (mute); }
|
|
|