539 lines
16 KiB
C++
539 lines
16 KiB
C++
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//
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// libtgvoip is free and unencumbered public domain software.
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// For more information, see http://unlicense.org or the UNLICENSE file
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// you should have received with this source code distribution.
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//
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#include "AudioInputWASAPI.h"
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#include "../../VoIPController.h"
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#include "../../logging.h"
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#include <cassert>
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#define BUFFER_SIZE 960
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#define CHECK_RES(res, msg) \
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{ \
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if (FAILED(res)) \
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{ \
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LOGE("%s failed: HRESULT=0x%08X", msg, res); \
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failed = true; \
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return; \
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} \
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}
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#define SCHECK_RES(res, msg) \
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{ \
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if (FAILED(res)) \
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{ \
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LOGE("%s failed: HRESULT=0x%08X", msg, res); \
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return; \
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} \
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}
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template <class T>
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void SafeRelease(T** ppT)
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{
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if (*ppT)
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{
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(*ppT)->Release();
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*ppT = nullptr;
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}
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}
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using namespace tgvoip::audio;
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AudioInputWASAPI::AudioInputWASAPI(std::string deviceID)
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{
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isRecording = false;
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remainingDataLen = 0;
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refCount = 1;
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HRESULT res;
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res = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
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if (FAILED(res) && res != RPC_E_CHANGED_MODE)
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{
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CHECK_RES(res, "CoInitializeEx");
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}
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#ifdef TGVOIP_WINXP_COMPAT
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HANDLE(WINAPI * __CreateEventExA)
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(LPSECURITY_ATTRIBUTES lpEventAttributes, LPCSTR lpName, DWORD dwFlags, DWORD dwDesiredAccess);
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__CreateEventExA = (HANDLE(WINAPI*)(LPSECURITY_ATTRIBUTES, LPCSTR, DWORD, DWORD))GetProcAddress(GetModuleHandleA("kernel32.dll"), "CreateEventExA");
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#undef CreateEventEx
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#define CreateEventEx __CreateEventExA
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#endif
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shutdownEvent = CreateEventEx(nullptr, nullptr, 0, EVENT_MODIFY_STATE | SYNCHRONIZE);
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audioSamplesReadyEvent = CreateEventEx(nullptr, nullptr, 0, EVENT_MODIFY_STATE | SYNCHRONIZE);
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streamSwitchEvent = CreateEventEx(nullptr, nullptr, 0, EVENT_MODIFY_STATE | SYNCHRONIZE);
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ZeroMemory(&format, sizeof(format));
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format.wFormatTag = WAVE_FORMAT_PCM;
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format.nChannels = 1;
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format.nSamplesPerSec = 48000;
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format.nBlockAlign = 2;
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format.nAvgBytesPerSec = format.nSamplesPerSec * format.nBlockAlign;
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format.wBitsPerSample = 16;
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#ifdef TGVOIP_WINDOWS_DESKTOP
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res = CoCreateInstance(__uuidof(MMDeviceEnumerator), nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&enumerator));
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CHECK_RES(res, "CoCreateInstance(MMDeviceEnumerator)");
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res = enumerator->RegisterEndpointNotificationCallback(this);
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CHECK_RES(res, "enumerator->RegisterEndpointNotificationCallback");
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audioSessionControl = nullptr;
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device = nullptr;
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#endif
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audioClient = nullptr;
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captureClient = nullptr;
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thread = nullptr;
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started = false;
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SetCurrentDevice(deviceID);
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}
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AudioInputWASAPI::~AudioInputWASAPI()
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{
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if (audioClient && started)
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{
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audioClient->Stop();
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}
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#ifdef TGVOIP_WINDOWS_DESKTOP
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if (audioSessionControl)
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{
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audioSessionControl->UnregisterAudioSessionNotification(this);
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}
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#endif
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SetEvent(shutdownEvent);
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if (thread)
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{
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WaitForSingleObjectEx(thread, INFINITE, false);
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CloseHandle(thread);
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}
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#ifdef TGVOIP_WINDOWS_DESKTOP
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SafeRelease(&audioSessionControl);
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#endif
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SafeRelease(&captureClient);
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SafeRelease(&audioClient);
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#ifdef TGVOIP_WINDOWS_DESKTOP
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SafeRelease(&device);
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#endif
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CloseHandle(shutdownEvent);
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CloseHandle(audioSamplesReadyEvent);
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CloseHandle(streamSwitchEvent);
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#ifdef TGVOIP_WINDOWS_DESKTOP
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if (enumerator)
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enumerator->UnregisterEndpointNotificationCallback(this);
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SafeRelease(&enumerator);
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#endif
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}
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void AudioInputWASAPI::Start()
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{
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isRecording = true;
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if (!thread)
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{
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thread = CreateThread(nullptr, 0, AudioInputWASAPI::StartThread, this, 0, nullptr);
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}
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if (audioClient && !started)
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{
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LOGI("audioClient->Start");
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audioClient->Start();
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started = true;
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}
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}
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void AudioInputWASAPI::Stop()
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{
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isRecording = false;
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}
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bool AudioInputWASAPI::IsRecording()
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{
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return isRecording;
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}
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void AudioInputWASAPI::EnumerateDevices(std::vector<tgvoip::AudioInputDevice>& devs)
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{
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#ifdef TGVOIP_WINDOWS_DESKTOP
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HRESULT res;
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res = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
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if (FAILED(res) && res != RPC_E_CHANGED_MODE)
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{
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SCHECK_RES(res, "CoInitializeEx");
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}
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IMMDeviceEnumerator* deviceEnumerator = nullptr;
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IMMDeviceCollection* deviceCollection = nullptr;
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res = CoCreateInstance(__uuidof(MMDeviceEnumerator), nullptr, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&deviceEnumerator));
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SCHECK_RES(res, "CoCreateInstance(MMDeviceEnumerator)");
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res = deviceEnumerator->EnumAudioEndpoints(eCapture, DEVICE_STATE_ACTIVE, &deviceCollection);
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SCHECK_RES(res, "EnumAudioEndpoints");
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UINT devCount;
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res = deviceCollection->GetCount(&devCount);
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SCHECK_RES(res, "GetCount");
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for (UINT i = 0; i < devCount; i++)
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{
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IMMDevice* device;
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res = deviceCollection->Item(i, &device);
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SCHECK_RES(res, "GetDeviceItem");
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wchar_t* devID;
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res = device->GetId(&devID);
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SCHECK_RES(res, "get device id");
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IPropertyStore* propStore;
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res = device->OpenPropertyStore(STGM_READ, &propStore);
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SafeRelease(&device);
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SCHECK_RES(res, "OpenPropertyStore");
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PROPVARIANT friendlyName;
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PropVariantInit(&friendlyName);
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res = propStore->GetValue(PKEY_Device_FriendlyName, &friendlyName);
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SafeRelease(&propStore);
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AudioInputDevice dev;
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wchar_t actualFriendlyName[128];
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if (friendlyName.vt == VT_LPWSTR)
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{
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wcsncpy(actualFriendlyName, friendlyName.pwszVal, sizeof(actualFriendlyName) / sizeof(wchar_t));
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}
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else
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{
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wcscpy(actualFriendlyName, L"Unknown");
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}
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PropVariantClear(&friendlyName);
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char buf[256];
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WideCharToMultiByte(CP_UTF8, 0, devID, -1, buf, sizeof(buf), nullptr, nullptr);
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dev.id = buf;
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WideCharToMultiByte(CP_UTF8, 0, actualFriendlyName, -1, buf, sizeof(buf), nullptr, nullptr);
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dev.displayName = buf;
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devs.emplace_back(dev);
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CoTaskMemFree(devID);
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}
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SafeRelease(&deviceCollection);
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SafeRelease(&deviceEnumerator);
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#endif
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}
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void AudioInputWASAPI::SetCurrentDevice(std::string deviceID)
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{
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if (thread)
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{
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streamChangeToDevice = deviceID;
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SetEvent(streamSwitchEvent);
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}
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else
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{
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ActuallySetCurrentDevice(deviceID);
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}
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}
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void AudioInputWASAPI::ActuallySetCurrentDevice(std::string deviceID)
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{
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m_currentDevice = deviceID;
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HRESULT res;
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if (audioClient)
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{
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res = audioClient->Stop();
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CHECK_RES(res, "audioClient->Stop");
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}
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#ifdef TGVOIP_WINDOWS_DESKTOP
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if (audioSessionControl)
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{
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res = audioSessionControl->UnregisterAudioSessionNotification(this);
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CHECK_RES(res, "audioSessionControl->UnregisterAudioSessionNotification");
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}
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SafeRelease(&audioSessionControl);
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#endif
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SafeRelease(&captureClient);
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SafeRelease(&audioClient);
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#ifdef TGVOIP_WINDOWS_DESKTOP
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SafeRelease(&device);
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IMMDeviceCollection* deviceCollection = nullptr;
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if (deviceID == "default")
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{
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isDefaultDevice = true;
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res = enumerator->GetDefaultAudioEndpoint(eCapture, eCommunications, &device);
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CHECK_RES(res, "GetDefaultAudioEndpoint");
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}
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else
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{
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isDefaultDevice = false;
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res = enumerator->EnumAudioEndpoints(eCapture, DEVICE_STATE_ACTIVE, &deviceCollection);
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CHECK_RES(res, "EnumAudioEndpoints");
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UINT devCount;
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res = deviceCollection->GetCount(&devCount);
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CHECK_RES(res, "GetCount");
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for (UINT i = 0; i < devCount; i++)
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{
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IMMDevice* device;
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res = deviceCollection->Item(i, &device);
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CHECK_RES(res, "GetDeviceItem");
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wchar_t* _devID;
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res = device->GetId(&_devID);
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CHECK_RES(res, "get device id");
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char devID[128];
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WideCharToMultiByte(CP_UTF8, 0, _devID, -1, devID, 128, nullptr, nullptr);
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CoTaskMemFree(_devID);
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if (deviceID == devID)
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{
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this->device = device;
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//device->AddRef();
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break;
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}
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}
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}
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if (deviceCollection)
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SafeRelease(&deviceCollection);
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if (!device)
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{
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LOGE("Didn't find capture device; failing");
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m_failed = true;
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return;
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}
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res = device->Activate(__uuidof(IAudioClient), CLSCTX_INPROC_SERVER, nullptr, (void**)&audioClient);
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CHECK_RES(res, "device->Activate");
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#else
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std::wstring devID;
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if (deviceID == "default")
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{
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Platform::String ^ defaultDevID = Windows::Media::Devices::MediaDevice::GetDefaultAudioCaptureId(Windows::Media::Devices::AudioDeviceRole::Communications);
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if (defaultDevID == nullptr)
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{
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LOGE("Didn't find capture device; failing");
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failed = true;
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return;
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}
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else
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{
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isDefaultDevice = true;
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devID = defaultDevID->Data();
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}
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}
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else
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{
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int wchars_num = MultiByteToWideChar(CP_UTF8, 0, deviceID.c_str(), -1, nullptr, 0);
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wchar_t* wstr = new wchar_t[wchars_num];
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MultiByteToWideChar(CP_UTF8, 0, deviceID.c_str(), -1, wstr, wchars_num);
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devID = wstr;
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}
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HRESULT res1, res2;
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IAudioClient2* audioClient2 = WindowsSandboxUtils::ActivateAudioDevice(devID.c_str(), &res1, &res2);
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CHECK_RES(res1, "activate1");
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CHECK_RES(res2, "activate2");
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AudioClientProperties properties = {};
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properties.cbSize = sizeof AudioClientProperties;
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properties.eCategory = AudioCategory_Communications;
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res = audioClient2->SetClientProperties(&properties);
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CHECK_RES(res, "audioClient2->SetClientProperties");
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audioClient = audioClient2;
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#endif
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// {2C693079-3F59-49FD-964F-61C005EAA5D3}
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const GUID guid = {0x2c693079, 0x3f59, 0x49fd, {0x96, 0x4f, 0x61, 0xc0, 0x5, 0xea, 0xa5, 0xd3}};
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// Use 1000ms buffer to avoid resampling glitches on Windows 8.1 and older. This should not increase latency.
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res = audioClient->Initialize(AUDCLNT_SHAREMODE_SHARED, AUDCLNT_STREAMFLAGS_EVENTCALLBACK | AUDCLNT_STREAMFLAGS_NOPERSIST | AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM | AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY, 1000 * 10000, 0, &format, &guid);
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CHECK_RES(res, "audioClient->Initialize");
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std::uint32_t bufSize;
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res = audioClient->GetBufferSize(&bufSize);
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CHECK_RES(res, "audioClient->GetBufferSize");
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LOGV("buffer size: %u", bufSize);
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m_estimatedDelay = 0;
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REFERENCE_TIME latency, devicePeriod;
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if (SUCCEEDED(audioClient->GetStreamLatency(&latency)))
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{
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if (SUCCEEDED(audioClient->GetDevicePeriod(&devicePeriod, nullptr)))
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{
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m_estimatedDelay = (std::int32_t)(latency / 10000 + devicePeriod / 10000);
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}
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}
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res = audioClient->SetEventHandle(audioSamplesReadyEvent);
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CHECK_RES(res, "audioClient->SetEventHandle");
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res = audioClient->GetService(IID_PPV_ARGS(&captureClient));
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CHECK_RES(res, "audioClient->GetService");
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#ifdef TGVOIP_WINDOWS_DESKTOP
|
||
|
|
res = audioClient->GetService(IID_PPV_ARGS(&audioSessionControl));
|
||
|
|
CHECK_RES(res, "audioClient->GetService(IAudioSessionControl)");
|
||
|
|
|
||
|
|
res = audioSessionControl->RegisterAudioSessionNotification(this);
|
||
|
|
CHECK_RES(res, "audioSessionControl->RegisterAudioSessionNotification");
|
||
|
|
#endif
|
||
|
|
|
||
|
|
if (isRecording)
|
||
|
|
audioClient->Start();
|
||
|
|
|
||
|
|
LOGV("set current input device done");
|
||
|
|
}
|
||
|
|
|
||
|
|
DWORD WINAPI AudioInputWASAPI::StartThread(void* arg)
|
||
|
|
{
|
||
|
|
LOGV("WASAPI capture thread starting");
|
||
|
|
((AudioInputWASAPI*)arg)->RunThread();
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void AudioInputWASAPI::RunThread()
|
||
|
|
{
|
||
|
|
if (m_failed)
|
||
|
|
return;
|
||
|
|
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_HIGHEST);
|
||
|
|
|
||
|
|
HANDLE waitArray[] = {shutdownEvent, streamSwitchEvent, audioSamplesReadyEvent};
|
||
|
|
HRESULT res = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
|
||
|
|
CHECK_RES(res, "CoInitializeEx in capture thread");
|
||
|
|
|
||
|
|
std::uint32_t bufferSize = 0;
|
||
|
|
std::uint64_t framesWritten = 0;
|
||
|
|
|
||
|
|
bool running = true;
|
||
|
|
//double prevCallback=VoIPController::GetCurrentTime();
|
||
|
|
|
||
|
|
while (running)
|
||
|
|
{
|
||
|
|
DWORD waitResult = WaitForMultipleObjectsEx(3, waitArray, false, INFINITE, false);
|
||
|
|
if (waitResult == WAIT_OBJECT_0)
|
||
|
|
{ // shutdownEvent
|
||
|
|
LOGV("capture thread shutting down");
|
||
|
|
running = false;
|
||
|
|
}
|
||
|
|
else if (waitResult == WAIT_OBJECT_0 + 1)
|
||
|
|
{ // streamSwitchEvent
|
||
|
|
LOGV("stream switch");
|
||
|
|
ActuallySetCurrentDevice(streamChangeToDevice);
|
||
|
|
ResetEvent(streamSwitchEvent);
|
||
|
|
bufferSize = 0;
|
||
|
|
LOGV("stream switch done");
|
||
|
|
}
|
||
|
|
else if (waitResult == WAIT_OBJECT_0 + 2)
|
||
|
|
{ // audioSamplesReadyEvent
|
||
|
|
if (!audioClient)
|
||
|
|
continue;
|
||
|
|
res = captureClient->GetNextPacketSize(&bufferSize);
|
||
|
|
CHECK_RES(res, "captureClient->GetNextPacketSize");
|
||
|
|
BYTE* data;
|
||
|
|
std::uint32_t framesAvailable = 0;
|
||
|
|
DWORD flags;
|
||
|
|
|
||
|
|
res = captureClient->GetBuffer(&data, &framesAvailable, &flags, nullptr, nullptr);
|
||
|
|
CHECK_RES(res, "captureClient->GetBuffer");
|
||
|
|
std::size_t dataLen = framesAvailable * 2;
|
||
|
|
assert(remainingDataLen + dataLen < sizeof(remainingData));
|
||
|
|
|
||
|
|
if (flags & AUDCLNT_BUFFERFLAGS_DATA_DISCONTINUITY)
|
||
|
|
{
|
||
|
|
LOGW("Audio capture data discontinuity");
|
||
|
|
}
|
||
|
|
|
||
|
|
//double t=VoIPController::GetCurrentTime();
|
||
|
|
//LOGV("audio capture: %u, time %f, flags %u", framesAvailable, t-prevCallback, flags);
|
||
|
|
//prevCallback=t;
|
||
|
|
|
||
|
|
std::memcpy(remainingData + remainingDataLen, data, dataLen);
|
||
|
|
remainingDataLen += dataLen;
|
||
|
|
while (remainingDataLen > 960 * 2)
|
||
|
|
{
|
||
|
|
if (isRecording)
|
||
|
|
InvokeCallback(remainingData, 960 * 2);
|
||
|
|
|
||
|
|
//LOGV("remaining data len %u", remainingDataLen);
|
||
|
|
memmove(remainingData, remainingData + (960 * 2), remainingDataLen - 960 * 2);
|
||
|
|
remainingDataLen -= 960 * 2;
|
||
|
|
}
|
||
|
|
|
||
|
|
res = captureClient->ReleaseBuffer(framesAvailable);
|
||
|
|
CHECK_RES(res, "captureClient->ReleaseBuffer");
|
||
|
|
//estimatedDelay=(std::int32_t)((devicePosition-framesWritten)/48);
|
||
|
|
|
||
|
|
framesWritten += framesAvailable;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#ifdef TGVOIP_WINDOWS_DESKTOP
|
||
|
|
HRESULT AudioInputWASAPI::OnSessionDisconnected(AudioSessionDisconnectReason reason)
|
||
|
|
{
|
||
|
|
if (!isDefaultDevice)
|
||
|
|
{
|
||
|
|
streamChangeToDevice = "default";
|
||
|
|
SetEvent(streamSwitchEvent);
|
||
|
|
}
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT AudioInputWASAPI::OnDefaultDeviceChanged(EDataFlow flow, ERole role, LPCWSTR newDevID)
|
||
|
|
{
|
||
|
|
if (flow == eCapture && role == eCommunications && isDefaultDevice)
|
||
|
|
{
|
||
|
|
streamChangeToDevice = "default";
|
||
|
|
SetEvent(streamSwitchEvent);
|
||
|
|
}
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
ULONG AudioInputWASAPI::AddRef()
|
||
|
|
{
|
||
|
|
return InterlockedIncrement(&refCount);
|
||
|
|
}
|
||
|
|
|
||
|
|
ULONG AudioInputWASAPI::Release()
|
||
|
|
{
|
||
|
|
return InterlockedDecrement(&refCount);
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT AudioInputWASAPI::QueryInterface(REFIID iid, void** obj)
|
||
|
|
{
|
||
|
|
if (!obj)
|
||
|
|
{
|
||
|
|
return E_POINTER;
|
||
|
|
}
|
||
|
|
*obj = nullptr;
|
||
|
|
|
||
|
|
if (iid == IID_IUnknown)
|
||
|
|
{
|
||
|
|
*obj = static_cast<IUnknown*>(static_cast<IAudioSessionEvents*>(this));
|
||
|
|
AddRef();
|
||
|
|
}
|
||
|
|
else if (iid == __uuidof(IMMNotificationClient))
|
||
|
|
{
|
||
|
|
*obj = static_cast<IMMNotificationClient*>(this);
|
||
|
|
AddRef();
|
||
|
|
}
|
||
|
|
else if (iid == __uuidof(IAudioSessionEvents))
|
||
|
|
{
|
||
|
|
*obj = static_cast<IAudioSessionEvents*>(this);
|
||
|
|
AddRef();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
return E_NOINTERFACE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
#endif
|