1747 lines
63 KiB
C++
1747 lines
63 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2017 - ROLI Ltd.
|
|
|
|
JUCE is an open source library subject to commercial or open-source
|
|
licensing.
|
|
|
|
The code included in this file is provided under the terms of the ISC license
|
|
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
|
|
To use, copy, modify, and/or distribute this software for any purpose with or
|
|
without fee is hereby granted provided that the above copyright notice and
|
|
this permission notice appear in all copies.
|
|
|
|
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
|
|
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
|
|
DISCLAIMED.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
namespace juce
|
|
{
|
|
|
|
#ifndef JUCE_WASAPI_LOGGING
|
|
#define JUCE_WASAPI_LOGGING 0
|
|
#endif
|
|
|
|
//==============================================================================
|
|
namespace WasapiClasses
|
|
{
|
|
|
|
void logFailure (HRESULT hr)
|
|
{
|
|
ignoreUnused (hr);
|
|
jassert (hr != (HRESULT) 0x800401f0); // If you hit this, it means you're trying to call from
|
|
// a thread which hasn't been initialised with CoInitialize().
|
|
|
|
#if JUCE_WASAPI_LOGGING
|
|
if (FAILED (hr))
|
|
{
|
|
const char* m = nullptr;
|
|
|
|
switch (hr)
|
|
{
|
|
case E_POINTER: m = "E_POINTER"; break;
|
|
case E_INVALIDARG: m = "E_INVALIDARG"; break;
|
|
case E_NOINTERFACE: m = "E_NOINTERFACE"; break;
|
|
|
|
#define JUCE_WASAPI_ERR(desc, n) \
|
|
case MAKE_HRESULT(1, 0x889, n): m = #desc; break;
|
|
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_NOT_INITIALIZED, 0x001)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_ALREADY_INITIALIZED, 0x002)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_WRONG_ENDPOINT_TYPE, 0x003)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_DEVICE_INVALIDATED, 0x004)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_NOT_STOPPED, 0x005)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_BUFFER_TOO_LARGE, 0x006)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_OUT_OF_ORDER, 0x007)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_UNSUPPORTED_FORMAT, 0x008)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_INVALID_SIZE, 0x009)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_DEVICE_IN_USE, 0x00a)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_BUFFER_OPERATION_PENDING, 0x00b)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_THREAD_NOT_REGISTERED, 0x00c)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_EXCLUSIVE_MODE_NOT_ALLOWED, 0x00e)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_ENDPOINT_CREATE_FAILED, 0x00f)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_SERVICE_NOT_RUNNING, 0x010)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_EVENTHANDLE_NOT_EXPECTED, 0x011)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_EXCLUSIVE_MODE_ONLY, 0x012)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_BUFDURATION_PERIOD_NOT_EQUAL, 0x013)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_EVENTHANDLE_NOT_SET, 0x014)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_INCORRECT_BUFFER_SIZE, 0x015)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_BUFFER_SIZE_ERROR, 0x016)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_CPUUSAGE_EXCEEDED, 0x017)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_BUFFER_ERROR, 0x018)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED, 0x019)
|
|
JUCE_WASAPI_ERR (AUDCLNT_E_INVALID_DEVICE_PERIOD, 0x020)
|
|
default: break;
|
|
}
|
|
|
|
Logger::writeToLog ("WASAPI error: " + (m != nullptr ? String (m)
|
|
: String::toHexString ((int) hr)));
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#undef check
|
|
|
|
bool check (HRESULT hr)
|
|
{
|
|
logFailure (hr);
|
|
return SUCCEEDED (hr);
|
|
}
|
|
|
|
//==============================================================================
|
|
}
|
|
|
|
#if JUCE_MINGW
|
|
struct PROPERTYKEY
|
|
{
|
|
GUID fmtid;
|
|
DWORD pid;
|
|
};
|
|
|
|
WINOLEAPI PropVariantClear (PROPVARIANT*);
|
|
#endif
|
|
|
|
#if JUCE_MINGW && defined (KSDATAFORMAT_SUBTYPE_PCM)
|
|
#undef KSDATAFORMAT_SUBTYPE_PCM
|
|
#undef KSDATAFORMAT_SUBTYPE_IEEE_FLOAT
|
|
#endif
|
|
|
|
#ifndef KSDATAFORMAT_SUBTYPE_PCM
|
|
#define KSDATAFORMAT_SUBTYPE_PCM uuidFromString ("00000001-0000-0010-8000-00aa00389b71")
|
|
#define KSDATAFORMAT_SUBTYPE_IEEE_FLOAT uuidFromString ("00000003-0000-0010-8000-00aa00389b71")
|
|
#endif
|
|
|
|
#define JUCE_IUNKNOWNCLASS(name, guid) JUCE_COMCLASS(name, guid) : public IUnknown
|
|
#define JUCE_COMCALL virtual HRESULT STDMETHODCALLTYPE
|
|
|
|
enum EDataFlow
|
|
{
|
|
eRender = 0,
|
|
eCapture = (eRender + 1),
|
|
eAll = (eCapture + 1)
|
|
};
|
|
|
|
enum
|
|
{
|
|
DEVICE_STATE_ACTIVE = 1
|
|
};
|
|
|
|
enum
|
|
{
|
|
AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY = 1,
|
|
AUDCLNT_BUFFERFLAGS_SILENT = 2
|
|
};
|
|
|
|
JUCE_IUNKNOWNCLASS (IPropertyStore, "886d8eeb-8cf2-4446-8d02-cdba1dbdcf99")
|
|
{
|
|
JUCE_COMCALL GetCount (DWORD*) = 0;
|
|
JUCE_COMCALL GetAt (DWORD, PROPERTYKEY*) = 0;
|
|
JUCE_COMCALL GetValue (const PROPERTYKEY&, PROPVARIANT*) = 0;
|
|
JUCE_COMCALL SetValue (const PROPERTYKEY&, const PROPVARIANT&) = 0;
|
|
JUCE_COMCALL Commit() = 0;
|
|
};
|
|
|
|
JUCE_IUNKNOWNCLASS (IMMDevice, "D666063F-1587-4E43-81F1-B948E807363F")
|
|
{
|
|
JUCE_COMCALL Activate (REFIID, DWORD, PROPVARIANT*, void**) = 0;
|
|
JUCE_COMCALL OpenPropertyStore (DWORD, IPropertyStore**) = 0;
|
|
JUCE_COMCALL GetId (LPWSTR*) = 0;
|
|
JUCE_COMCALL GetState (DWORD*) = 0;
|
|
};
|
|
|
|
JUCE_IUNKNOWNCLASS (IMMEndpoint, "1BE09788-6894-4089-8586-9A2A6C265AC5")
|
|
{
|
|
JUCE_COMCALL GetDataFlow (EDataFlow*) = 0;
|
|
};
|
|
|
|
struct IMMDeviceCollection : public IUnknown
|
|
{
|
|
JUCE_COMCALL GetCount (UINT*) = 0;
|
|
JUCE_COMCALL Item (UINT, IMMDevice**) = 0;
|
|
};
|
|
|
|
enum ERole
|
|
{
|
|
eConsole = 0,
|
|
eMultimedia = (eConsole + 1),
|
|
eCommunications = (eMultimedia + 1)
|
|
};
|
|
|
|
JUCE_IUNKNOWNCLASS (IMMNotificationClient, "7991EEC9-7E89-4D85-8390-6C703CEC60C0")
|
|
{
|
|
JUCE_COMCALL OnDeviceStateChanged (LPCWSTR, DWORD) = 0;
|
|
JUCE_COMCALL OnDeviceAdded (LPCWSTR) = 0;
|
|
JUCE_COMCALL OnDeviceRemoved (LPCWSTR) = 0;
|
|
JUCE_COMCALL OnDefaultDeviceChanged (EDataFlow, ERole, LPCWSTR) = 0;
|
|
JUCE_COMCALL OnPropertyValueChanged (LPCWSTR, const PROPERTYKEY) = 0;
|
|
};
|
|
|
|
JUCE_IUNKNOWNCLASS (IMMDeviceEnumerator, "A95664D2-9614-4F35-A746-DE8DB63617E6")
|
|
{
|
|
JUCE_COMCALL EnumAudioEndpoints (EDataFlow, DWORD, IMMDeviceCollection**) = 0;
|
|
JUCE_COMCALL GetDefaultAudioEndpoint (EDataFlow, ERole, IMMDevice**) = 0;
|
|
JUCE_COMCALL GetDevice (LPCWSTR, IMMDevice**) = 0;
|
|
JUCE_COMCALL RegisterEndpointNotificationCallback (IMMNotificationClient*) = 0;
|
|
JUCE_COMCALL UnregisterEndpointNotificationCallback (IMMNotificationClient*) = 0;
|
|
};
|
|
|
|
JUCE_COMCLASS (MMDeviceEnumerator, "BCDE0395-E52F-467C-8E3D-C4579291692E");
|
|
|
|
using REFERENCE_TIME = LONGLONG;
|
|
|
|
enum AVRT_PRIORITY
|
|
{
|
|
AVRT_PRIORITY_LOW = -1,
|
|
AVRT_PRIORITY_NORMAL,
|
|
AVRT_PRIORITY_HIGH,
|
|
AVRT_PRIORITY_CRITICAL
|
|
};
|
|
|
|
enum AUDCLNT_SHAREMODE
|
|
{
|
|
AUDCLNT_SHAREMODE_SHARED,
|
|
AUDCLNT_SHAREMODE_EXCLUSIVE
|
|
};
|
|
|
|
JUCE_IUNKNOWNCLASS (IAudioClient, "1CB9AD4C-DBFA-4c32-B178-C2F568A703B2")
|
|
{
|
|
JUCE_COMCALL Initialize (AUDCLNT_SHAREMODE, DWORD, REFERENCE_TIME, REFERENCE_TIME, const WAVEFORMATEX*, LPCGUID) = 0;
|
|
JUCE_COMCALL GetBufferSize (UINT32*) = 0;
|
|
JUCE_COMCALL GetStreamLatency (REFERENCE_TIME*) = 0;
|
|
JUCE_COMCALL GetCurrentPadding (UINT32*) = 0;
|
|
JUCE_COMCALL IsFormatSupported (AUDCLNT_SHAREMODE, const WAVEFORMATEX*, WAVEFORMATEX**) = 0;
|
|
JUCE_COMCALL GetMixFormat (WAVEFORMATEX**) = 0;
|
|
JUCE_COMCALL GetDevicePeriod (REFERENCE_TIME*, REFERENCE_TIME*) = 0;
|
|
JUCE_COMCALL Start() = 0;
|
|
JUCE_COMCALL Stop() = 0;
|
|
JUCE_COMCALL Reset() = 0;
|
|
JUCE_COMCALL SetEventHandle (HANDLE) = 0;
|
|
JUCE_COMCALL GetService (REFIID, void**) = 0;
|
|
};
|
|
|
|
JUCE_IUNKNOWNCLASS (IAudioCaptureClient, "C8ADBD64-E71E-48a0-A4DE-185C395CD317")
|
|
{
|
|
JUCE_COMCALL GetBuffer (BYTE**, UINT32*, DWORD*, UINT64*, UINT64*) = 0;
|
|
JUCE_COMCALL ReleaseBuffer (UINT32) = 0;
|
|
JUCE_COMCALL GetNextPacketSize (UINT32*) = 0;
|
|
};
|
|
|
|
JUCE_IUNKNOWNCLASS (IAudioRenderClient, "F294ACFC-3146-4483-A7BF-ADDCA7C260E2")
|
|
{
|
|
JUCE_COMCALL GetBuffer (UINT32, BYTE**) = 0;
|
|
JUCE_COMCALL ReleaseBuffer (UINT32, DWORD) = 0;
|
|
};
|
|
|
|
JUCE_IUNKNOWNCLASS (IAudioEndpointVolume, "5CDF2C82-841E-4546-9722-0CF74078229A")
|
|
{
|
|
JUCE_COMCALL RegisterControlChangeNotify (void*) = 0;
|
|
JUCE_COMCALL UnregisterControlChangeNotify (void*) = 0;
|
|
JUCE_COMCALL GetChannelCount (UINT*) = 0;
|
|
JUCE_COMCALL SetMasterVolumeLevel (float, LPCGUID) = 0;
|
|
JUCE_COMCALL SetMasterVolumeLevelScalar (float, LPCGUID) = 0;
|
|
JUCE_COMCALL GetMasterVolumeLevel (float*) = 0;
|
|
JUCE_COMCALL GetMasterVolumeLevelScalar (float*) = 0;
|
|
JUCE_COMCALL SetChannelVolumeLevel (UINT, float, LPCGUID) = 0;
|
|
JUCE_COMCALL SetChannelVolumeLevelScalar (UINT, float, LPCGUID) = 0;
|
|
JUCE_COMCALL GetChannelVolumeLevel (UINT, float*) = 0;
|
|
JUCE_COMCALL GetChannelVolumeLevelScalar (UINT, float*) = 0;
|
|
JUCE_COMCALL SetMute (BOOL, LPCGUID) = 0;
|
|
JUCE_COMCALL GetMute (BOOL*) = 0;
|
|
JUCE_COMCALL GetVolumeStepInfo (UINT*, UINT*) = 0;
|
|
JUCE_COMCALL VolumeStepUp (LPCGUID) = 0;
|
|
JUCE_COMCALL VolumeStepDown (LPCGUID) = 0;
|
|
JUCE_COMCALL QueryHardwareSupport (DWORD*) = 0;
|
|
JUCE_COMCALL GetVolumeRange (float*, float*, float*) = 0;
|
|
};
|
|
|
|
enum AudioSessionDisconnectReason
|
|
{
|
|
DisconnectReasonDeviceRemoval = 0,
|
|
DisconnectReasonServerShutdown = 1,
|
|
DisconnectReasonFormatChanged = 2,
|
|
DisconnectReasonSessionLogoff = 3,
|
|
DisconnectReasonSessionDisconnected = 4,
|
|
DisconnectReasonExclusiveModeOverride = 5
|
|
};
|
|
|
|
enum AudioSessionState
|
|
{
|
|
AudioSessionStateInactive = 0,
|
|
AudioSessionStateActive = 1,
|
|
AudioSessionStateExpired = 2
|
|
};
|
|
|
|
JUCE_IUNKNOWNCLASS (IAudioSessionEvents, "24918ACC-64B3-37C1-8CA9-74A66E9957A8")
|
|
{
|
|
JUCE_COMCALL OnDisplayNameChanged (LPCWSTR, LPCGUID) = 0;
|
|
JUCE_COMCALL OnIconPathChanged (LPCWSTR, LPCGUID) = 0;
|
|
JUCE_COMCALL OnSimpleVolumeChanged (float, BOOL, LPCGUID) = 0;
|
|
JUCE_COMCALL OnChannelVolumeChanged (DWORD, float*, DWORD, LPCGUID) = 0;
|
|
JUCE_COMCALL OnGroupingParamChanged (LPCGUID, LPCGUID) = 0;
|
|
JUCE_COMCALL OnStateChanged (AudioSessionState) = 0;
|
|
JUCE_COMCALL OnSessionDisconnected (AudioSessionDisconnectReason) = 0;
|
|
};
|
|
|
|
JUCE_IUNKNOWNCLASS (IAudioSessionControl, "F4B1A599-7266-4319-A8CA-E70ACB11E8CD")
|
|
{
|
|
JUCE_COMCALL GetState (AudioSessionState*) = 0;
|
|
JUCE_COMCALL GetDisplayName (LPWSTR*) = 0;
|
|
JUCE_COMCALL SetDisplayName (LPCWSTR, LPCGUID) = 0;
|
|
JUCE_COMCALL GetIconPath (LPWSTR*) = 0;
|
|
JUCE_COMCALL SetIconPath (LPCWSTR, LPCGUID) = 0;
|
|
JUCE_COMCALL GetGroupingParam (GUID*) = 0;
|
|
JUCE_COMCALL SetGroupingParam (LPCGUID, LPCGUID) = 0;
|
|
JUCE_COMCALL RegisterAudioSessionNotification (IAudioSessionEvents*) = 0;
|
|
JUCE_COMCALL UnregisterAudioSessionNotification (IAudioSessionEvents*) = 0;
|
|
};
|
|
|
|
#undef JUCE_COMCALL
|
|
#undef JUCE_COMCLASS
|
|
#undef JUCE_IUNKNOWNCLASS
|
|
|
|
//==============================================================================
|
|
namespace WasapiClasses
|
|
{
|
|
|
|
String getDeviceID (IMMDevice* device)
|
|
{
|
|
String s;
|
|
WCHAR* deviceId = nullptr;
|
|
|
|
if (check (device->GetId (&deviceId)))
|
|
{
|
|
s = String (deviceId);
|
|
CoTaskMemFree (deviceId);
|
|
}
|
|
|
|
return s;
|
|
}
|
|
|
|
EDataFlow getDataFlow (const ComSmartPtr<IMMDevice>& device)
|
|
{
|
|
EDataFlow flow = eRender;
|
|
ComSmartPtr<IMMEndpoint> endPoint;
|
|
if (check (device.QueryInterface (endPoint)))
|
|
(void) check (endPoint->GetDataFlow (&flow));
|
|
|
|
return flow;
|
|
}
|
|
|
|
int refTimeToSamples (const REFERENCE_TIME& t, double sampleRate) noexcept
|
|
{
|
|
return roundToInt (sampleRate * ((double) t) * 0.0000001);
|
|
}
|
|
|
|
REFERENCE_TIME samplesToRefTime (int numSamples, double sampleRate) noexcept
|
|
{
|
|
return (REFERENCE_TIME) ((numSamples * 10000.0 * 1000.0 / sampleRate) + 0.5);
|
|
}
|
|
|
|
void copyWavFormat (WAVEFORMATEXTENSIBLE& dest, const WAVEFORMATEX* src) noexcept
|
|
{
|
|
memcpy (&dest, src, src->wFormatTag == WAVE_FORMAT_EXTENSIBLE ? sizeof (WAVEFORMATEXTENSIBLE)
|
|
: sizeof (WAVEFORMATEX));
|
|
}
|
|
|
|
//==============================================================================
|
|
class WASAPIDeviceBase
|
|
{
|
|
public:
|
|
WASAPIDeviceBase (const ComSmartPtr<IMMDevice>& d, bool exclusiveMode, std::function<void()>&& cb)
|
|
: device (d), useExclusiveMode (exclusiveMode), reopenCallback (cb)
|
|
{
|
|
clientEvent = CreateEvent (nullptr, false, false, nullptr);
|
|
|
|
ComSmartPtr<IAudioClient> tempClient (createClient());
|
|
if (tempClient == nullptr)
|
|
return;
|
|
|
|
REFERENCE_TIME defaultPeriod, minPeriod;
|
|
if (! check (tempClient->GetDevicePeriod (&defaultPeriod, &minPeriod)))
|
|
return;
|
|
|
|
WAVEFORMATEX* mixFormat = nullptr;
|
|
if (! check (tempClient->GetMixFormat (&mixFormat)))
|
|
return;
|
|
|
|
WAVEFORMATEXTENSIBLE format;
|
|
copyWavFormat (format, mixFormat);
|
|
CoTaskMemFree (mixFormat);
|
|
|
|
actualNumChannels = numChannels = format.Format.nChannels;
|
|
defaultSampleRate = format.Format.nSamplesPerSec;
|
|
minBufferSize = refTimeToSamples (minPeriod, defaultSampleRate);
|
|
defaultBufferSize = refTimeToSamples (defaultPeriod, defaultSampleRate);
|
|
mixFormatChannelMask = format.dwChannelMask;
|
|
|
|
rates.addUsingDefaultSort (defaultSampleRate);
|
|
|
|
if (useExclusiveMode
|
|
&& findSupportedFormat (tempClient, defaultSampleRate, format.dwChannelMask, format))
|
|
{
|
|
// Got a format that is supported by the device so we can ask what sample rates are supported (in whatever format)
|
|
}
|
|
|
|
for (auto rate : { 8000, 11025, 16000, 22050, 32000,
|
|
44100, 48000, 88200, 96000, 176400,
|
|
192000, 352800, 384000, 705600, 768000 })
|
|
{
|
|
if (rates.contains (rate))
|
|
continue;
|
|
|
|
format.Format.nSamplesPerSec = (DWORD) rate;
|
|
format.Format.nAvgBytesPerSec = (DWORD) (format.Format.nSamplesPerSec * format.Format.nChannels * format.Format.wBitsPerSample / 8);
|
|
|
|
if (SUCCEEDED (tempClient->IsFormatSupported (useExclusiveMode ? AUDCLNT_SHAREMODE_EXCLUSIVE
|
|
: AUDCLNT_SHAREMODE_SHARED,
|
|
(WAVEFORMATEX*) &format, 0)))
|
|
if (! rates.contains (rate))
|
|
rates.addUsingDefaultSort (rate);
|
|
}
|
|
}
|
|
|
|
virtual ~WASAPIDeviceBase()
|
|
{
|
|
device = nullptr;
|
|
CloseHandle (clientEvent);
|
|
}
|
|
|
|
bool isOk() const noexcept { return defaultBufferSize > 0 && defaultSampleRate > 0; }
|
|
|
|
bool openClient (const double newSampleRate, const BigInteger& newChannels, const int bufferSizeSamples)
|
|
{
|
|
sampleRate = newSampleRate;
|
|
channels = newChannels;
|
|
channels.setRange (actualNumChannels, channels.getHighestBit() + 1 - actualNumChannels, false);
|
|
numChannels = channels.getHighestBit() + 1;
|
|
|
|
if (numChannels == 0)
|
|
return true;
|
|
|
|
client = createClient();
|
|
|
|
if (client != nullptr
|
|
&& tryInitialisingWithBufferSize (bufferSizeSamples))
|
|
{
|
|
sampleRateHasChanged = false;
|
|
shouldClose = false;
|
|
channelMaps.clear();
|
|
|
|
for (int i = 0; i <= channels.getHighestBit(); ++i)
|
|
if (channels[i])
|
|
channelMaps.add (i);
|
|
|
|
REFERENCE_TIME latency;
|
|
|
|
if (check (client->GetStreamLatency (&latency)))
|
|
latencySamples = refTimeToSamples (latency, sampleRate);
|
|
|
|
(void) check (client->GetBufferSize (&actualBufferSize));
|
|
createSessionEventCallback();
|
|
return check (client->SetEventHandle (clientEvent));
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void closeClient()
|
|
{
|
|
if (client != nullptr)
|
|
client->Stop();
|
|
|
|
deleteSessionEventCallback();
|
|
client = nullptr;
|
|
ResetEvent (clientEvent);
|
|
}
|
|
|
|
void deviceSampleRateChanged()
|
|
{
|
|
sampleRateHasChanged = true;
|
|
}
|
|
|
|
void deviceBecameInactive()
|
|
{
|
|
shouldClose = true;
|
|
}
|
|
|
|
//==============================================================================
|
|
ComSmartPtr<IMMDevice> device;
|
|
ComSmartPtr<IAudioClient> client;
|
|
double sampleRate = 0, defaultSampleRate = 0;
|
|
int numChannels = 0, actualNumChannels = 0;
|
|
int minBufferSize = 0, defaultBufferSize = 0, latencySamples = 0;
|
|
DWORD mixFormatChannelMask = 0;
|
|
const bool useExclusiveMode;
|
|
Array<double> rates;
|
|
HANDLE clientEvent = {};
|
|
BigInteger channels;
|
|
Array<int> channelMaps;
|
|
UINT32 actualBufferSize = 0;
|
|
int bytesPerSample = 0, bytesPerFrame = 0;
|
|
bool sampleRateHasChanged = false, shouldClose = false;
|
|
std::function<void()> reopenCallback;
|
|
|
|
virtual void updateFormat (bool isFloat) = 0;
|
|
|
|
private:
|
|
//==============================================================================
|
|
struct SessionEventCallback : public ComBaseClassHelper<IAudioSessionEvents>
|
|
{
|
|
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 state)
|
|
{
|
|
if (state == AudioSessionStateActive)
|
|
owner.reopenCallback();
|
|
|
|
if (state == AudioSessionStateInactive || state == AudioSessionStateExpired)
|
|
owner.deviceBecameInactive();
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
JUCE_COMRESULT OnSessionDisconnected (AudioSessionDisconnectReason reason)
|
|
{
|
|
if (reason == DisconnectReasonFormatChanged)
|
|
owner.deviceSampleRateChanged();
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
//==============================================================================
|
|
ComSmartPtr<IAudioClient> createClient()
|
|
{
|
|
ComSmartPtr<IAudioClient> newClient;
|
|
|
|
if (device != nullptr)
|
|
logFailure (device->Activate (__uuidof (IAudioClient), CLSCTX_INPROC_SERVER,
|
|
nullptr, (void**) newClient.resetAndGetPointerAddress()));
|
|
|
|
return newClient;
|
|
}
|
|
|
|
struct AudioSampleFormat
|
|
{
|
|
bool useFloat;
|
|
int bitsPerSampleToTry;
|
|
int bytesPerSampleContainer;
|
|
};
|
|
|
|
bool tryFormat (const AudioSampleFormat sampleFormat, IAudioClient* clientToUse, double newSampleRate,
|
|
DWORD newMixFormatChannelMask, WAVEFORMATEXTENSIBLE& format) const
|
|
{
|
|
zerostruct (format);
|
|
|
|
if (numChannels <= 2 && sampleFormat.bitsPerSampleToTry <= 16)
|
|
{
|
|
format.Format.wFormatTag = WAVE_FORMAT_PCM;
|
|
}
|
|
else
|
|
{
|
|
format.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
|
|
format.Format.cbSize = sizeof (WAVEFORMATEXTENSIBLE) - sizeof (WAVEFORMATEX);
|
|
}
|
|
|
|
format.Format.nSamplesPerSec = (DWORD) newSampleRate;
|
|
format.Format.nChannels = (WORD) numChannels;
|
|
format.Format.wBitsPerSample = (WORD) (8 * sampleFormat.bytesPerSampleContainer);
|
|
format.Samples.wValidBitsPerSample = (WORD) (sampleFormat.bitsPerSampleToTry);
|
|
format.Format.nBlockAlign = (WORD) (format.Format.nChannels * format.Format.wBitsPerSample / 8);
|
|
format.Format.nAvgBytesPerSec = (DWORD) (format.Format.nSamplesPerSec * format.Format.nBlockAlign);
|
|
format.SubFormat = sampleFormat.useFloat ? KSDATAFORMAT_SUBTYPE_IEEE_FLOAT : KSDATAFORMAT_SUBTYPE_PCM;
|
|
format.dwChannelMask = newMixFormatChannelMask;
|
|
|
|
WAVEFORMATEXTENSIBLE* nearestFormat = nullptr;
|
|
|
|
HRESULT hr = clientToUse->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, (const WAVEFORMATEX*) nearestFormat);
|
|
hr = S_OK;
|
|
}
|
|
|
|
CoTaskMemFree (nearestFormat);
|
|
return check (hr);
|
|
}
|
|
|
|
bool findSupportedFormat (IAudioClient* clientToUse, double newSampleRate,
|
|
DWORD newMixFormatChannelMask, WAVEFORMATEXTENSIBLE& format) const
|
|
{
|
|
static const AudioSampleFormat formats[] =
|
|
{
|
|
{ true, 32, 4 },
|
|
{ false, 32, 4 },
|
|
{ false, 24, 4 },
|
|
{ false, 24, 3 },
|
|
{ false, 20, 4 },
|
|
{ false, 20, 3 },
|
|
{ false, 16, 2 }
|
|
};
|
|
|
|
for (int i = 0; i < numElementsInArray (formats); ++i)
|
|
if (tryFormat (formats[i], clientToUse, newSampleRate, newMixFormatChannelMask, format))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool tryInitialisingWithBufferSize (int bufferSizeSamples)
|
|
{
|
|
WAVEFORMATEXTENSIBLE format;
|
|
|
|
if (findSupportedFormat (client, sampleRate, mixFormatChannelMask, format))
|
|
{
|
|
REFERENCE_TIME defaultPeriod = 0, minPeriod = 0;
|
|
|
|
check (client->GetDevicePeriod (&defaultPeriod, &minPeriod));
|
|
|
|
if (useExclusiveMode && bufferSizeSamples > 0)
|
|
defaultPeriod = jmax (minPeriod, samplesToRefTime (bufferSizeSamples, format.Format.nSamplesPerSec));
|
|
|
|
for (;;)
|
|
{
|
|
GUID session;
|
|
HRESULT hr = client->Initialize (useExclusiveMode ? AUDCLNT_SHAREMODE_EXCLUSIVE : AUDCLNT_SHAREMODE_SHARED,
|
|
0x40000 /*AUDCLNT_STREAMFLAGS_EVENTCALLBACK*/,
|
|
defaultPeriod, useExclusiveMode ? defaultPeriod : 0, (WAVEFORMATEX*) &format, &session);
|
|
|
|
if (check (hr))
|
|
{
|
|
actualNumChannels = format.Format.nChannels;
|
|
const bool isFloat = format.Format.wFormatTag == WAVE_FORMAT_EXTENSIBLE && format.SubFormat == KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
|
|
bytesPerSample = format.Format.wBitsPerSample / 8;
|
|
bytesPerFrame = format.Format.nBlockAlign;
|
|
|
|
updateFormat (isFloat);
|
|
return true;
|
|
}
|
|
|
|
// Handle the "alignment dance" : http://msdn.microsoft.com/en-us/library/windows/desktop/dd370875(v=vs.85).aspx (see Remarks)
|
|
if (hr != MAKE_HRESULT (1, 0x889, 0x19)) // AUDCLNT_E_BUFFER_SIZE_NOT_ALIGNED
|
|
break;
|
|
|
|
UINT32 numFrames = 0;
|
|
if (! check (client->GetBufferSize (&numFrames)))
|
|
break;
|
|
|
|
// Recreate client
|
|
client = nullptr;
|
|
client = createClient();
|
|
|
|
defaultPeriod = samplesToRefTime (numFrames, format.Format.nSamplesPerSec);
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (WASAPIDeviceBase)
|
|
};
|
|
|
|
//==============================================================================
|
|
class WASAPIInputDevice : public WASAPIDeviceBase
|
|
{
|
|
public:
|
|
WASAPIInputDevice (const ComSmartPtr<IMMDevice>& d, bool exclusiveMode, std::function<void()>&& reopenCallback)
|
|
: WASAPIDeviceBase (d, exclusiveMode, std::move (reopenCallback))
|
|
{
|
|
}
|
|
|
|
~WASAPIInputDevice()
|
|
{
|
|
close();
|
|
}
|
|
|
|
bool open (double newSampleRate, const BigInteger& newChannels, int bufferSizeSamples)
|
|
{
|
|
return openClient (newSampleRate, newChannels, bufferSizeSamples)
|
|
&& (numChannels == 0 || check (client->GetService (__uuidof (IAudioCaptureClient),
|
|
(void**) captureClient.resetAndGetPointerAddress())));
|
|
}
|
|
|
|
void close()
|
|
{
|
|
closeClient();
|
|
captureClient = nullptr;
|
|
reservoir.reset();
|
|
reservoirReadPos = 0;
|
|
reservoirWritePos = 0;
|
|
}
|
|
|
|
template<class SourceType>
|
|
void updateFormatWithType (SourceType*) noexcept
|
|
{
|
|
using NativeType = AudioData::Pointer<AudioData::Float32, AudioData::NativeEndian, AudioData::NonInterleaved, AudioData::NonConst>;
|
|
converter.reset (new AudioData::ConverterInstance<AudioData::Pointer<SourceType, AudioData::LittleEndian, AudioData::Interleaved, AudioData::Const>, NativeType> (actualNumChannels, 1));
|
|
}
|
|
|
|
void updateFormat (bool isFloat) override
|
|
{
|
|
if (isFloat) updateFormatWithType ((AudioData::Float32*) nullptr);
|
|
else if (bytesPerSample == 4) updateFormatWithType ((AudioData::Int32*) nullptr);
|
|
else if (bytesPerSample == 3) updateFormatWithType ((AudioData::Int24*) nullptr);
|
|
else updateFormatWithType ((AudioData::Int16*) nullptr);
|
|
}
|
|
|
|
bool start (int userBufferSize)
|
|
{
|
|
reservoirSize = actualBufferSize + userBufferSize;
|
|
reservoirMask = nextPowerOfTwo (reservoirSize) - 1;
|
|
reservoir.setSize ((reservoirMask + 1) * bytesPerFrame, true);
|
|
reservoirReadPos = 0;
|
|
reservoirWritePos = 0;
|
|
xruns = 0;
|
|
|
|
if (! check (client->Start()))
|
|
return false;
|
|
|
|
purgeInputBuffers();
|
|
return true;
|
|
}
|
|
|
|
void purgeInputBuffers()
|
|
{
|
|
uint8* inputData;
|
|
UINT32 numSamplesAvailable;
|
|
DWORD flags;
|
|
|
|
while (captureClient->GetBuffer (&inputData, &numSamplesAvailable, &flags, nullptr, nullptr)
|
|
!= MAKE_HRESULT (0, 0x889, 0x1) /* AUDCLNT_S_BUFFER_EMPTY */)
|
|
captureClient->ReleaseBuffer (numSamplesAvailable);
|
|
}
|
|
|
|
int getNumSamplesInReservoir() const noexcept { return reservoirWritePos.load() - reservoirReadPos.load(); }
|
|
|
|
void handleDeviceBuffer()
|
|
{
|
|
if (numChannels <= 0)
|
|
return;
|
|
|
|
uint8* inputData;
|
|
UINT32 numSamplesAvailable;
|
|
DWORD flags;
|
|
|
|
while (check (captureClient->GetBuffer (&inputData, &numSamplesAvailable, &flags, nullptr, nullptr)) && numSamplesAvailable > 0)
|
|
{
|
|
if ((flags & AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY) != 0)
|
|
xruns++;
|
|
|
|
int samplesLeft = (int) numSamplesAvailable;
|
|
|
|
while (samplesLeft > 0)
|
|
{
|
|
auto localWrite = reservoirWritePos.load() & reservoirMask;
|
|
auto samplesToDo = jmin (samplesLeft, reservoirMask + 1 - localWrite);
|
|
auto samplesToDoBytes = samplesToDo * bytesPerFrame;
|
|
|
|
void* reservoirPtr = addBytesToPointer (reservoir.getData(), localWrite * bytesPerFrame);
|
|
|
|
if ((flags & AUDCLNT_BUFFERFLAGS_SILENT) != 0)
|
|
zeromem (reservoirPtr, samplesToDoBytes);
|
|
else
|
|
memcpy (reservoirPtr, inputData, samplesToDoBytes);
|
|
|
|
reservoirWritePos += samplesToDo;
|
|
inputData += samplesToDoBytes;
|
|
samplesLeft -= samplesToDo;
|
|
}
|
|
|
|
if (getNumSamplesInReservoir() > reservoirSize)
|
|
reservoirReadPos = reservoirWritePos.load() - reservoirSize;
|
|
|
|
captureClient->ReleaseBuffer (numSamplesAvailable);
|
|
}
|
|
}
|
|
|
|
void copyBuffersFromReservoir (float** destBuffers, int numDestBuffers, int bufferSize)
|
|
{
|
|
if ((numChannels <= 0 && bufferSize == 0) || reservoir.getSize() == 0)
|
|
return;
|
|
|
|
int offset = jmax (0, bufferSize - getNumSamplesInReservoir());
|
|
|
|
if (offset > 0)
|
|
{
|
|
for (int i = 0; i < numDestBuffers; ++i)
|
|
zeromem (destBuffers[i], offset * sizeof (float));
|
|
|
|
bufferSize -= offset;
|
|
reservoirReadPos -= offset / 2;
|
|
}
|
|
|
|
while (bufferSize > 0)
|
|
{
|
|
auto localRead = reservoirReadPos.load() & reservoirMask;
|
|
auto samplesToDo = jmin (bufferSize, getNumSamplesInReservoir(), reservoirMask + 1 - localRead);
|
|
|
|
if (samplesToDo <= 0)
|
|
break;
|
|
|
|
auto reservoirOffset = localRead * bytesPerFrame;
|
|
|
|
for (int i = 0; i < numDestBuffers; ++i)
|
|
converter->convertSamples (destBuffers[i] + offset, 0, addBytesToPointer (reservoir.getData(), reservoirOffset), channelMaps.getUnchecked(i), samplesToDo);
|
|
|
|
bufferSize -= samplesToDo;
|
|
offset += samplesToDo;
|
|
reservoirReadPos += samplesToDo;
|
|
}
|
|
}
|
|
|
|
ComSmartPtr<IAudioCaptureClient> captureClient;
|
|
MemoryBlock reservoir;
|
|
int reservoirSize, reservoirMask, xruns;
|
|
std::atomic<int> reservoirReadPos, reservoirWritePos;
|
|
|
|
std::unique_ptr<AudioData::Converter> converter;
|
|
|
|
private:
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (WASAPIInputDevice)
|
|
};
|
|
|
|
//==============================================================================
|
|
class WASAPIOutputDevice : public WASAPIDeviceBase
|
|
{
|
|
public:
|
|
WASAPIOutputDevice (const ComSmartPtr<IMMDevice>& d, bool exclusiveMode, std::function<void()>&& reopenCallback)
|
|
: WASAPIDeviceBase (d, exclusiveMode, std::move (reopenCallback))
|
|
{
|
|
}
|
|
|
|
~WASAPIOutputDevice()
|
|
{
|
|
close();
|
|
}
|
|
|
|
bool open (double newSampleRate, const BigInteger& newChannels, int bufferSizeSamples)
|
|
{
|
|
return openClient (newSampleRate, newChannels, bufferSizeSamples)
|
|
&& (numChannels == 0 || check (client->GetService (__uuidof (IAudioRenderClient),
|
|
(void**) renderClient.resetAndGetPointerAddress())));
|
|
}
|
|
|
|
void close()
|
|
{
|
|
closeClient();
|
|
renderClient = nullptr;
|
|
}
|
|
|
|
template<class DestType>
|
|
void updateFormatWithType (DestType*)
|
|
{
|
|
using NativeType = AudioData::Pointer<AudioData::Float32, AudioData::NativeEndian, AudioData::NonInterleaved, AudioData::Const>;
|
|
converter.reset (new AudioData::ConverterInstance<NativeType, AudioData::Pointer<DestType, AudioData::LittleEndian, AudioData::Interleaved, AudioData::NonConst>> (1, actualNumChannels));
|
|
}
|
|
|
|
void updateFormat (bool isFloat) override
|
|
{
|
|
if (isFloat) updateFormatWithType ((AudioData::Float32*) nullptr);
|
|
else if (bytesPerSample == 4) updateFormatWithType ((AudioData::Int32*) nullptr);
|
|
else if (bytesPerSample == 3) updateFormatWithType ((AudioData::Int24*) nullptr);
|
|
else updateFormatWithType ((AudioData::Int16*) nullptr);
|
|
}
|
|
|
|
bool start()
|
|
{
|
|
auto samplesToDo = getNumSamplesAvailableToCopy();
|
|
uint8* outputData;
|
|
|
|
if (check (renderClient->GetBuffer (samplesToDo, &outputData)))
|
|
renderClient->ReleaseBuffer (samplesToDo, AUDCLNT_BUFFERFLAGS_SILENT);
|
|
|
|
return check (client->Start());
|
|
}
|
|
|
|
int getNumSamplesAvailableToCopy() const
|
|
{
|
|
if (numChannels <= 0)
|
|
return 0;
|
|
|
|
if (! useExclusiveMode)
|
|
{
|
|
UINT32 padding = 0;
|
|
|
|
if (check (client->GetCurrentPadding (&padding)))
|
|
return actualBufferSize - (int) padding;
|
|
}
|
|
|
|
return actualBufferSize;
|
|
}
|
|
|
|
void copyBuffers (const float** srcBuffers, int numSrcBuffers, int bufferSize,
|
|
WASAPIInputDevice* inputDevice, Thread& thread)
|
|
{
|
|
if (numChannels <= 0)
|
|
return;
|
|
|
|
int offset = 0;
|
|
|
|
while (bufferSize > 0)
|
|
{
|
|
// This is needed in order not to drop any input data if the output device endpoint buffer was full
|
|
if ((! useExclusiveMode) && inputDevice != nullptr
|
|
&& WaitForSingleObject (inputDevice->clientEvent, 0) == WAIT_OBJECT_0)
|
|
inputDevice->handleDeviceBuffer();
|
|
|
|
int samplesToDo = jmin (getNumSamplesAvailableToCopy(), bufferSize);
|
|
|
|
if (samplesToDo == 0)
|
|
{
|
|
// This can ONLY occur in non-exclusive mode
|
|
if (! thread.threadShouldExit() && WaitForSingleObject (clientEvent, 1000) == WAIT_OBJECT_0)
|
|
continue;
|
|
|
|
break;
|
|
}
|
|
|
|
if (useExclusiveMode && WaitForSingleObject (clientEvent, 1000) == WAIT_TIMEOUT)
|
|
break;
|
|
|
|
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);
|
|
}
|
|
|
|
bufferSize -= samplesToDo;
|
|
offset += samplesToDo;
|
|
}
|
|
}
|
|
|
|
ComSmartPtr<IAudioRenderClient> renderClient;
|
|
std::unique_ptr<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& typeName,
|
|
const String& outputDeviceID,
|
|
const String& inputDeviceID,
|
|
bool exclusiveMode)
|
|
: AudioIODevice (deviceName, typeName),
|
|
Thread ("JUCE WASAPI"),
|
|
outputDeviceId (outputDeviceID),
|
|
inputDeviceId (inputDeviceID),
|
|
useExclusiveMode (exclusiveMode)
|
|
{
|
|
}
|
|
|
|
~WASAPIAudioIODevice()
|
|
{
|
|
cancelPendingUpdate();
|
|
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.get())
|
|
: static_cast<WASAPIDeviceBase*> (outputDevice.get());
|
|
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; }
|
|
int getXRunCount() const noexcept override { return inputDevice != nullptr ? inputDevice->xruns : -1; }
|
|
|
|
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, bufferSizeSamples))
|
|
{
|
|
lastError = TRANS("Couldn't open the input device!");
|
|
return lastError;
|
|
}
|
|
|
|
if (outputDevice != nullptr && ! outputDevice->open (currentSampleRate, outputChannels, bufferSizeSamples))
|
|
{
|
|
close();
|
|
lastError = TRANS("Couldn't open the output device!");
|
|
return lastError;
|
|
}
|
|
|
|
if (useExclusiveMode)
|
|
{
|
|
// This is to make sure that the callback uses actualBufferSize in case of exclusive mode
|
|
if (inputDevice != nullptr && outputDevice != nullptr && inputDevice->actualBufferSize != outputDevice->actualBufferSize)
|
|
{
|
|
close();
|
|
lastError = TRANS("Couldn't open the output device (buffer size mismatch)");
|
|
return lastError;
|
|
}
|
|
|
|
currentBufferSizeSamples = outputDevice != nullptr ? outputDevice->actualBufferSize
|
|
: inputDevice->actualBufferSize;
|
|
}
|
|
|
|
if (inputDevice != nullptr) ResetEvent (inputDevice->clientEvent);
|
|
if (outputDevice != nullptr) ResetEvent (outputDevice->clientEvent);
|
|
|
|
deviceBecameInactive = false;
|
|
|
|
startThread (8);
|
|
Thread::sleep (5);
|
|
|
|
if (inputDevice != nullptr && inputDevice->client != nullptr)
|
|
{
|
|
latencyIn = (int) (inputDevice->latencySamples + currentBufferSizeSamples);
|
|
|
|
if (! inputDevice->start (currentBufferSizeSamples))
|
|
{
|
|
close();
|
|
lastError = TRANS("Couldn't start the input device!");
|
|
return lastError;
|
|
}
|
|
}
|
|
|
|
if (outputDevice != nullptr && outputDevice->client != nullptr)
|
|
{
|
|
latencyOut = (int) (outputDevice->latencySamples + currentBufferSizeSamples);
|
|
|
|
if (! outputDevice->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)
|
|
{
|
|
auto* 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;
|
|
|
|
if (auto h = avSetMmThreadCharacteristics (L"Pro Audio", &dummy))
|
|
avSetMmThreadPriority (h, AVRT_PRIORITY_NORMAL);
|
|
}
|
|
}
|
|
|
|
void run() override
|
|
{
|
|
setMMThreadPriority();
|
|
|
|
auto bufferSize = currentBufferSizeSamples;
|
|
auto numInputBuffers = getActiveInputChannels().countNumberOfSetBits();
|
|
auto numOutputBuffers = getActiveOutputChannels().countNumberOfSetBits();
|
|
bool sampleRateHasChanged = false;
|
|
|
|
AudioBuffer<float> ins (jmax (1, numInputBuffers), bufferSize + 32);
|
|
AudioBuffer<float> outs (jmax (1, numOutputBuffers), bufferSize + 32);
|
|
auto inputBuffers = ins.getArrayOfWritePointers();
|
|
auto outputBuffers = outs.getArrayOfWritePointers();
|
|
ins.clear();
|
|
outs.clear();
|
|
|
|
while (! threadShouldExit())
|
|
{
|
|
if (outputDevice != nullptr && outputDevice->shouldClose)
|
|
deviceBecameInactive = true;
|
|
|
|
if (inputDevice != nullptr && ! deviceBecameInactive)
|
|
{
|
|
if (inputDevice->shouldClose)
|
|
deviceBecameInactive = true;
|
|
|
|
if (outputDevice == nullptr)
|
|
{
|
|
if (WaitForSingleObject (inputDevice->clientEvent, 1000) == WAIT_TIMEOUT)
|
|
break;
|
|
|
|
inputDevice->handleDeviceBuffer();
|
|
|
|
if (inputDevice->getNumSamplesInReservoir() < bufferSize)
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
if (useExclusiveMode && WaitForSingleObject (inputDevice->clientEvent, 0) == WAIT_OBJECT_0)
|
|
inputDevice->handleDeviceBuffer();
|
|
}
|
|
|
|
inputDevice->copyBuffersFromReservoir (inputBuffers, numInputBuffers, bufferSize);
|
|
|
|
if (inputDevice->sampleRateHasChanged)
|
|
{
|
|
sampleRateHasChanged = true;
|
|
sampleRateChangedByOutput = false;
|
|
}
|
|
}
|
|
|
|
if (! deviceBecameInactive)
|
|
{
|
|
const ScopedTryLock sl (startStopLock);
|
|
|
|
if (sl.isLocked() && isStarted)
|
|
callback->audioDeviceIOCallback (const_cast<const float**> (inputBuffers), numInputBuffers,
|
|
outputBuffers, numOutputBuffers, bufferSize);
|
|
else
|
|
outs.clear();
|
|
}
|
|
|
|
if (outputDevice != nullptr && ! deviceBecameInactive)
|
|
{
|
|
// Note that this function is handed the input device so it can check for the event and make sure
|
|
// the input reservoir is filled up correctly even when bufferSize > device actualBufferSize
|
|
outputDevice->copyBuffers (const_cast<const float**> (outputBuffers), numOutputBuffers, bufferSize, inputDevice.get(), *this);
|
|
|
|
if (outputDevice->sampleRateHasChanged)
|
|
{
|
|
sampleRateHasChanged = true;
|
|
sampleRateChangedByOutput = true;
|
|
}
|
|
}
|
|
|
|
if (sampleRateHasChanged || deviceBecameInactive)
|
|
{
|
|
triggerAsyncUpdate();
|
|
break; // Quit the thread... will restart it later!
|
|
}
|
|
}
|
|
}
|
|
|
|
//==============================================================================
|
|
String outputDeviceId, inputDeviceId;
|
|
String lastError;
|
|
|
|
private:
|
|
// Device stats...
|
|
std::unique_ptr<WASAPIInputDevice> inputDevice;
|
|
std::unique_ptr<WASAPIOutputDevice> outputDevice;
|
|
const bool useExclusiveMode;
|
|
double defaultSampleRate = 0;
|
|
int minBufferSize = 0, defaultBufferSize = 0;
|
|
int latencyIn = 0, latencyOut = 0;
|
|
Array<double> sampleRates;
|
|
Array<int> bufferSizes;
|
|
|
|
// Active state...
|
|
bool isOpen_ = false, isStarted = false;
|
|
int currentBufferSizeSamples = 0;
|
|
double currentSampleRate = 0;
|
|
|
|
AudioIODeviceCallback* callback = {};
|
|
CriticalSection startStopLock;
|
|
|
|
bool sampleRateChangedByOutput = false, deviceBecameInactive = false;
|
|
|
|
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;
|
|
|
|
auto deviceId = getDeviceID (device);
|
|
|
|
if (deviceId.isEmpty())
|
|
continue;
|
|
|
|
auto flow = getDataFlow (device);
|
|
|
|
auto deviceReopenCallback = [this]
|
|
{
|
|
if (deviceBecameInactive)
|
|
{
|
|
deviceBecameInactive = false;
|
|
MessageManager::callAsync ([this] { reopenDevices(); });
|
|
}
|
|
};
|
|
|
|
if (deviceId == inputDeviceId && flow == eCapture)
|
|
inputDevice.reset (new WASAPIInputDevice (device, useExclusiveMode, deviceReopenCallback));
|
|
else if (deviceId == outputDeviceId && flow == eRender)
|
|
outputDevice.reset (new WASAPIOutputDevice (device, useExclusiveMode, deviceReopenCallback));
|
|
}
|
|
|
|
return (outputDeviceId.isEmpty() || (outputDevice != nullptr && outputDevice->isOk()))
|
|
&& (inputDeviceId.isEmpty() || (inputDevice != nullptr && inputDevice->isOk()));
|
|
}
|
|
|
|
void reopenDevices()
|
|
{
|
|
outputDevice = nullptr;
|
|
inputDevice = nullptr;
|
|
|
|
initialise();
|
|
|
|
open (lastKnownInputChannels, lastKnownOutputChannels,
|
|
getChangedSampleRate(), currentBufferSizeSamples);
|
|
|
|
start (callback);
|
|
}
|
|
|
|
//==============================================================================
|
|
void handleAsyncUpdate() override
|
|
{
|
|
stop();
|
|
|
|
// sample rate change
|
|
if (! deviceBecameInactive)
|
|
reopenDevices();
|
|
}
|
|
|
|
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 (bool exclusive)
|
|
: AudioIODeviceType (exclusive ? "Windows Audio (Exclusive Mode)" : "Windows Audio"),
|
|
DeviceChangeDetector (L"Windows Audio"),
|
|
exclusiveMode (exclusive)
|
|
{
|
|
}
|
|
|
|
~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
|
|
|
|
if (auto d = dynamic_cast<WASAPIAudioIODevice*> (device))
|
|
return asInput ? inputDeviceIds.indexOf (d->inputDeviceId)
|
|
: outputDeviceIds.indexOf (d->outputDeviceId);
|
|
|
|
return -1;
|
|
}
|
|
|
|
bool hasSeparateInputsAndOutputs() const { return true; }
|
|
|
|
AudioIODevice* createDevice (const String& outputDeviceName,
|
|
const String& inputDeviceName)
|
|
{
|
|
jassert (hasScanned); // need to call scanForDevices() before doing this
|
|
|
|
std::unique_ptr<WASAPIAudioIODevice> device;
|
|
|
|
auto outputIndex = outputDeviceNames.indexOf (outputDeviceName);
|
|
auto inputIndex = inputDeviceNames.indexOf (inputDeviceName);
|
|
|
|
if (outputIndex >= 0 || inputIndex >= 0)
|
|
{
|
|
device.reset (new WASAPIAudioIODevice (outputDeviceName.isNotEmpty() ? outputDeviceName
|
|
: inputDeviceName,
|
|
getTypeName(),
|
|
outputDeviceIds [outputIndex],
|
|
inputDeviceIds [inputIndex],
|
|
exclusiveMode));
|
|
|
|
if (! device->initialise())
|
|
device = nullptr;
|
|
}
|
|
|
|
return device.release();
|
|
}
|
|
|
|
//==============================================================================
|
|
StringArray outputDeviceNames, outputDeviceIds;
|
|
StringArray inputDeviceNames, inputDeviceIds;
|
|
|
|
private:
|
|
const bool exclusiveMode;
|
|
bool hasScanned = false;
|
|
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:
|
|
WeakReference<WASAPIAudioIODeviceType> device;
|
|
|
|
HRESULT notify()
|
|
{
|
|
if (device != nullptr)
|
|
device->triggerAsyncDeviceChangeCallback();
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ChangeNotificationClient)
|
|
};
|
|
|
|
ComSmartPtr<ChangeNotificationClient> notifyClient;
|
|
|
|
//==============================================================================
|
|
static String getDefaultEndpoint (IMMDeviceEnumerator* enumerator, 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& outDeviceNames,
|
|
StringArray& inDeviceNames,
|
|
StringArray& outDeviceIds,
|
|
StringArray& inDeviceIds)
|
|
{
|
|
if (enumerator == nullptr)
|
|
{
|
|
if (! check (enumerator.CoCreateInstance (__uuidof (MMDeviceEnumerator))))
|
|
return;
|
|
|
|
notifyClient = new ChangeNotificationClient (this);
|
|
enumerator->RegisterEndpointNotificationCallback (notifyClient);
|
|
}
|
|
|
|
auto defaultRenderer = getDefaultEndpoint (enumerator, false);
|
|
auto 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;
|
|
|
|
auto 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);
|
|
}
|
|
|
|
auto flow = getDataFlow (device);
|
|
|
|
if (flow == eRender)
|
|
{
|
|
const int index = (deviceId == defaultRenderer) ? 0 : -1;
|
|
outDeviceIds.insert (index, deviceId);
|
|
outDeviceNames.insert (index, name);
|
|
}
|
|
else if (flow == eCapture)
|
|
{
|
|
const int index = (deviceId == defaultCapture) ? 0 : -1;
|
|
inDeviceIds.insert (index, deviceId);
|
|
inDeviceNames.insert (index, name);
|
|
}
|
|
}
|
|
|
|
inDeviceNames.appendNumbersToDuplicates (false, false);
|
|
outDeviceNames.appendNumbersToDuplicates (false, false);
|
|
}
|
|
|
|
//==============================================================================
|
|
void systemDeviceChanged() override
|
|
{
|
|
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_WEAK_REFERENCEABLE (WASAPIAudioIODeviceType)
|
|
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 (bool exclusiveMode)
|
|
{
|
|
#if ! JUCE_WASAPI_EXCLUSIVE
|
|
if (exclusiveMode)
|
|
return nullptr;
|
|
#endif
|
|
|
|
return SystemStats::getOperatingSystemType() >= SystemStats::WinVista
|
|
? new WasapiClasses::WASAPIAudioIODeviceType (exclusiveMode)
|
|
: 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); }
|
|
|
|
} // namespace juce
|