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Diffstat (limited to 'Alc/backends/wasapi.cpp')
| -rw-r--r-- | Alc/backends/wasapi.cpp | 1763 |
1 files changed, 0 insertions, 1763 deletions
diff --git a/Alc/backends/wasapi.cpp b/Alc/backends/wasapi.cpp deleted file mode 100644 index bd009463..00000000 --- a/Alc/backends/wasapi.cpp +++ /dev/null @@ -1,1763 +0,0 @@ -/** - * OpenAL cross platform audio library - * Copyright (C) 2011 by authors. - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * Or go to http://www.gnu.org/copyleft/lgpl.html - */ - -#include "config.h" - -#include "backends/wasapi.h" - -#define WIN32_LEAN_AND_MEAN -#include <windows.h> - -#include <stdlib.h> -#include <stdio.h> -#include <memory.h> - -#include <wtypes.h> -#include <mmdeviceapi.h> -#include <audioclient.h> -#include <cguid.h> -#include <devpropdef.h> -#include <mmreg.h> -#include <propsys.h> -#include <propkey.h> -#include <devpkey.h> -#ifndef _WAVEFORMATEXTENSIBLE_ -#include <ks.h> -#include <ksmedia.h> -#endif - -#include <deque> -#include <mutex> -#include <atomic> -#include <thread> -#include <vector> -#include <string> -#include <future> -#include <algorithm> -#include <functional> -#include <condition_variable> - -#include "alcmain.h" -#include "alu.h" -#include "ringbuffer.h" -#include "compat.h" -#include "converter.h" -#include "threads.h" - - -/* Some headers seem to define these as macros for __uuidof, which is annoying - * since some headers don't declare them at all. Hopefully the ifdef is enough - * to tell if they need to be declared. - */ -#ifndef KSDATAFORMAT_SUBTYPE_PCM -DEFINE_GUID(KSDATAFORMAT_SUBTYPE_PCM, 0x00000001, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71); -#endif -#ifndef KSDATAFORMAT_SUBTYPE_IEEE_FLOAT -DEFINE_GUID(KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, 0x00000003, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71); -#endif - -DEFINE_DEVPROPKEY(DEVPKEY_Device_FriendlyName, 0xa45c254e, 0xdf1c, 0x4efd, 0x80,0x20, 0x67,0xd1,0x46,0xa8,0x50,0xe0, 14); -DEFINE_PROPERTYKEY(PKEY_AudioEndpoint_FormFactor, 0x1da5d803, 0xd492, 0x4edd, 0x8c,0x23, 0xe0,0xc0,0xff,0xee,0x7f,0x0e, 0); -DEFINE_PROPERTYKEY(PKEY_AudioEndpoint_GUID, 0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23,0xe0, 0xc0,0xff,0xee,0x7f,0x0e, 4 ); - - -namespace { - -#define MONO SPEAKER_FRONT_CENTER -#define STEREO (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT) -#define QUAD (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT) -#define X5DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT) -#define X5DOT1REAR (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT) -#define X6DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_CENTER|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT) -#define X7DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT) -#define X7DOT1_WIDE (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT|SPEAKER_FRONT_LEFT_OF_CENTER|SPEAKER_FRONT_RIGHT_OF_CENTER) - -#define REFTIME_PER_SEC ((REFERENCE_TIME)10000000) - -#define DEVNAME_HEAD "OpenAL Soft on " - - -/* Scales the given value using 64-bit integer math, ceiling the result. */ -inline int64_t ScaleCeil(int64_t val, int64_t new_scale, int64_t old_scale) -{ - return (val*new_scale + old_scale-1) / old_scale; -} - - -struct PropVariant { - PROPVARIANT mProp; - -public: - PropVariant() { PropVariantInit(&mProp); } - ~PropVariant() { clear(); } - - void clear() { PropVariantClear(&mProp); } - - PROPVARIANT* get() noexcept { return &mProp; } - - PROPVARIANT& operator*() noexcept { return mProp; } - const PROPVARIANT& operator*() const noexcept { return mProp; } - - PROPVARIANT* operator->() noexcept { return &mProp; } - const PROPVARIANT* operator->() const noexcept { return &mProp; } -}; - -struct DevMap { - std::string name; - std::string endpoint_guid; // obtained from PKEY_AudioEndpoint_GUID , set to "Unknown device GUID" if absent. - std::wstring devid; - - template<typename T0, typename T1, typename T2> - DevMap(T0&& name_, T1&& guid_, T2&& devid_) - : name{std::forward<T0>(name_)} - , endpoint_guid{std::forward<T1>(guid_)} - , devid{std::forward<T2>(devid_)} - { } -}; - -bool checkName(const al::vector<DevMap> &list, const std::string &name) -{ - return std::find_if(list.cbegin(), list.cend(), - [&name](const DevMap &entry) -> bool - { return entry.name == name; } - ) != list.cend(); -} - -al::vector<DevMap> PlaybackDevices; -al::vector<DevMap> CaptureDevices; - - -using NameGUIDPair = std::pair<std::string,std::string>; -NameGUIDPair get_device_name_and_guid(IMMDevice *device) -{ - std::string name{DEVNAME_HEAD}; - std::string guid; - - IPropertyStore *ps; - HRESULT hr = device->OpenPropertyStore(STGM_READ, &ps); - if(FAILED(hr)) - { - WARN("OpenPropertyStore failed: 0x%08lx\n", hr); - return { name+"Unknown Device Name", "Unknown Device GUID" }; - } - - PropVariant pvprop; - hr = ps->GetValue(reinterpret_cast<const PROPERTYKEY&>(DEVPKEY_Device_FriendlyName), pvprop.get()); - if(FAILED(hr)) - { - WARN("GetValue Device_FriendlyName failed: 0x%08lx\n", hr); - name += "Unknown Device Name"; - } - else if(pvprop->vt == VT_LPWSTR) - name += wstr_to_utf8(pvprop->pwszVal); - else - { - WARN("Unexpected PROPVARIANT type: 0x%04x\n", pvprop->vt); - name += "Unknown Device Name"; - } - - pvprop.clear(); - hr = ps->GetValue(reinterpret_cast<const PROPERTYKEY&>(PKEY_AudioEndpoint_GUID), pvprop.get()); - if(FAILED(hr)) - { - WARN("GetValue AudioEndpoint_GUID failed: 0x%08lx\n", hr); - guid = "Unknown Device GUID"; - } - else if(pvprop->vt == VT_LPWSTR) - guid = wstr_to_utf8(pvprop->pwszVal); - else - { - WARN("Unexpected PROPVARIANT type: 0x%04x\n", pvprop->vt); - guid = "Unknown Device GUID"; - } - - ps->Release(); - - return {name, guid}; -} - -void get_device_formfactor(IMMDevice *device, EndpointFormFactor *formfactor) -{ - IPropertyStore *ps; - HRESULT hr = device->OpenPropertyStore(STGM_READ, &ps); - if(FAILED(hr)) - { - WARN("OpenPropertyStore failed: 0x%08lx\n", hr); - return; - } - - PropVariant pvform; - hr = ps->GetValue(reinterpret_cast<const PROPERTYKEY&>(PKEY_AudioEndpoint_FormFactor), pvform.get()); - if(FAILED(hr)) - WARN("GetValue AudioEndpoint_FormFactor failed: 0x%08lx\n", hr); - else if(pvform->vt == VT_UI4) - *formfactor = static_cast<EndpointFormFactor>(pvform->ulVal); - else if(pvform->vt == VT_EMPTY) - *formfactor = UnknownFormFactor; - else - WARN("Unexpected PROPVARIANT type: 0x%04x\n", pvform->vt); - - ps->Release(); -} - - -void add_device(IMMDevice *device, const WCHAR *devid, al::vector<DevMap> &list) -{ - std::string basename, guidstr; - std::tie(basename, guidstr) = get_device_name_and_guid(device); - - int count{1}; - std::string newname{basename}; - while(checkName(list, newname)) - { - newname = basename; - newname += " #"; - newname += std::to_string(++count); - } - list.emplace_back(std::move(newname), std::move(guidstr), devid); - const DevMap &newentry = list.back(); - - TRACE("Got device \"%s\", \"%s\", \"%ls\"\n", newentry.name.c_str(), - newentry.endpoint_guid.c_str(), newentry.devid.c_str()); -} - -WCHAR *get_device_id(IMMDevice *device) -{ - WCHAR *devid; - - HRESULT hr = device->GetId(&devid); - if(FAILED(hr)) - { - ERR("Failed to get device id: %lx\n", hr); - return nullptr; - } - - return devid; -} - -HRESULT probe_devices(IMMDeviceEnumerator *devenum, EDataFlow flowdir, al::vector<DevMap> &list) -{ - IMMDeviceCollection *coll; - HRESULT hr{devenum->EnumAudioEndpoints(flowdir, DEVICE_STATE_ACTIVE, &coll)}; - if(FAILED(hr)) - { - ERR("Failed to enumerate audio endpoints: 0x%08lx\n", hr); - return hr; - } - - IMMDevice *defdev{nullptr}; - WCHAR *defdevid{nullptr}; - UINT count{0}; - hr = coll->GetCount(&count); - if(SUCCEEDED(hr) && count > 0) - { - list.clear(); - list.reserve(count); - - hr = devenum->GetDefaultAudioEndpoint(flowdir, eMultimedia, &defdev); - } - if(SUCCEEDED(hr) && defdev != nullptr) - { - defdevid = get_device_id(defdev); - if(defdevid) - add_device(defdev, defdevid, list); - } - - for(UINT i{0};i < count;++i) - { - IMMDevice *device; - hr = coll->Item(i, &device); - if(FAILED(hr)) continue; - - WCHAR *devid{get_device_id(device)}; - if(devid) - { - if(!defdevid || wcscmp(devid, defdevid) != 0) - add_device(device, devid, list); - CoTaskMemFree(devid); - } - device->Release(); - } - - if(defdev) defdev->Release(); - if(defdevid) CoTaskMemFree(defdevid); - coll->Release(); - - return S_OK; -} - - -bool MakeExtensible(WAVEFORMATEXTENSIBLE *out, const WAVEFORMATEX *in) -{ - *out = WAVEFORMATEXTENSIBLE{}; - if(in->wFormatTag == WAVE_FORMAT_EXTENSIBLE) - { - *out = *CONTAINING_RECORD(in, const WAVEFORMATEXTENSIBLE, Format); - out->Format.cbSize = sizeof(*out) - sizeof(out->Format); - } - else if(in->wFormatTag == WAVE_FORMAT_PCM) - { - out->Format = *in; - out->Format.cbSize = 0; - out->Samples.wValidBitsPerSample = out->Format.wBitsPerSample; - if(out->Format.nChannels == 1) - out->dwChannelMask = MONO; - else if(out->Format.nChannels == 2) - out->dwChannelMask = STEREO; - else - ERR("Unhandled PCM channel count: %d\n", out->Format.nChannels); - out->SubFormat = KSDATAFORMAT_SUBTYPE_PCM; - } - else if(in->wFormatTag == WAVE_FORMAT_IEEE_FLOAT) - { - out->Format = *in; - out->Format.cbSize = 0; - out->Samples.wValidBitsPerSample = out->Format.wBitsPerSample; - if(out->Format.nChannels == 1) - out->dwChannelMask = MONO; - else if(out->Format.nChannels == 2) - out->dwChannelMask = STEREO; - else - ERR("Unhandled IEEE float channel count: %d\n", out->Format.nChannels); - out->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT; - } - else - { - ERR("Unhandled format tag: 0x%04x\n", in->wFormatTag); - return false; - } - return true; -} - -void TraceFormat(const char *msg, const WAVEFORMATEX *format) -{ - constexpr size_t fmtex_extra_size{sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX)}; - if(format->wFormatTag == WAVE_FORMAT_EXTENSIBLE && format->cbSize >= fmtex_extra_size) - { - class GuidPrinter { - char mMsg[64]; - - public: - GuidPrinter(const GUID &guid) - { - std::snprintf(mMsg, al::size(mMsg), - "{%08lx-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}", - DWORD{guid.Data1}, guid.Data2, guid.Data3, - guid.Data4[0], guid.Data4[1], guid.Data4[2], guid.Data4[3], - guid.Data4[4], guid.Data4[5], guid.Data4[6], guid.Data4[7]); - } - const char *c_str() const { return mMsg; } - }; - - const WAVEFORMATEXTENSIBLE *fmtex{ - CONTAINING_RECORD(format, const WAVEFORMATEXTENSIBLE, Format)}; - TRACE("%s:\n" - " FormatTag = 0x%04x\n" - " Channels = %d\n" - " SamplesPerSec = %lu\n" - " AvgBytesPerSec = %lu\n" - " BlockAlign = %d\n" - " BitsPerSample = %d\n" - " Size = %d\n" - " Samples = %d\n" - " ChannelMask = 0x%lx\n" - " SubFormat = %s\n", - msg, fmtex->Format.wFormatTag, fmtex->Format.nChannels, fmtex->Format.nSamplesPerSec, - fmtex->Format.nAvgBytesPerSec, fmtex->Format.nBlockAlign, fmtex->Format.wBitsPerSample, - fmtex->Format.cbSize, fmtex->Samples.wReserved, fmtex->dwChannelMask, - GuidPrinter{fmtex->SubFormat}.c_str()); - } - else - TRACE("%s:\n" - " FormatTag = 0x%04x\n" - " Channels = %d\n" - " SamplesPerSec = %lu\n" - " AvgBytesPerSec = %lu\n" - " BlockAlign = %d\n" - " BitsPerSample = %d\n" - " Size = %d\n", - msg, format->wFormatTag, format->nChannels, format->nSamplesPerSec, - format->nAvgBytesPerSec, format->nBlockAlign, format->wBitsPerSample, format->cbSize); -} - - -enum class MsgType : unsigned int { - OpenDevice, - ResetDevice, - StartDevice, - StopDevice, - CloseDevice, - EnumeratePlayback, - EnumerateCapture, - QuitThread, - - Count -}; - -constexpr char MessageStr[static_cast<unsigned int>(MsgType::Count)][20]{ - "Open Device", - "Reset Device", - "Start Device", - "Stop Device", - "Close Device", - "Enumerate Playback", - "Enumerate Capture", - "Quit" -}; - - -/* Proxy interface used by the message handler. */ -struct WasapiProxy { - virtual HRESULT openProxy() = 0; - virtual void closeProxy() = 0; - - virtual HRESULT resetProxy() = 0; - virtual HRESULT startProxy() = 0; - virtual void stopProxy() = 0; - - struct Msg { - MsgType mType; - WasapiProxy *mProxy; - std::promise<HRESULT> mPromise; - }; - static std::deque<Msg> mMsgQueue; - static std::mutex mMsgQueueLock; - static std::condition_variable mMsgQueueCond; - - std::future<HRESULT> pushMessage(MsgType type) - { - std::promise<HRESULT> promise; - std::future<HRESULT> future{promise.get_future()}; - { std::lock_guard<std::mutex> _{mMsgQueueLock}; - mMsgQueue.emplace_back(Msg{type, this, std::move(promise)}); - } - mMsgQueueCond.notify_one(); - return future; - } - - static std::future<HRESULT> pushMessageStatic(MsgType type) - { - std::promise<HRESULT> promise; - std::future<HRESULT> future{promise.get_future()}; - { std::lock_guard<std::mutex> _{mMsgQueueLock}; - mMsgQueue.emplace_back(Msg{type, nullptr, std::move(promise)}); - } - mMsgQueueCond.notify_one(); - return future; - } - - static bool popMessage(Msg &msg) - { - std::unique_lock<std::mutex> lock{mMsgQueueLock}; - while(mMsgQueue.empty()) - mMsgQueueCond.wait(lock); - msg = std::move(mMsgQueue.front()); - mMsgQueue.pop_front(); - return msg.mType != MsgType::QuitThread; - } - - static int messageHandler(std::promise<HRESULT> *promise); -}; -std::deque<WasapiProxy::Msg> WasapiProxy::mMsgQueue; -std::mutex WasapiProxy::mMsgQueueLock; -std::condition_variable WasapiProxy::mMsgQueueCond; - -int WasapiProxy::messageHandler(std::promise<HRESULT> *promise) -{ - TRACE("Starting message thread\n"); - - HRESULT cohr = CoInitializeEx(nullptr, COINIT_MULTITHREADED); - if(FAILED(cohr)) - { - WARN("Failed to initialize COM: 0x%08lx\n", cohr); - promise->set_value(cohr); - return 0; - } - - void *ptr{}; - HRESULT hr{CoCreateInstance(CLSID_MMDeviceEnumerator, nullptr, CLSCTX_INPROC_SERVER, - IID_IMMDeviceEnumerator, &ptr)}; - if(FAILED(hr)) - { - WARN("Failed to create IMMDeviceEnumerator instance: 0x%08lx\n", hr); - promise->set_value(hr); - CoUninitialize(); - return 0; - } - auto Enumerator = static_cast<IMMDeviceEnumerator*>(ptr); - Enumerator->Release(); - Enumerator = nullptr; - CoUninitialize(); - - TRACE("Message thread initialization complete\n"); - promise->set_value(S_OK); - promise = nullptr; - - TRACE("Starting message loop\n"); - ALuint deviceCount{0}; - Msg msg; - while(popMessage(msg)) - { - TRACE("Got message \"%s\" (0x%04x, this=%p)\n", - MessageStr[static_cast<unsigned int>(msg.mType)], static_cast<unsigned int>(msg.mType), - msg.mProxy); - - switch(msg.mType) - { - case MsgType::OpenDevice: - hr = cohr = S_OK; - if(++deviceCount == 1) - hr = cohr = CoInitializeEx(nullptr, COINIT_MULTITHREADED); - if(SUCCEEDED(hr)) - hr = msg.mProxy->openProxy(); - msg.mPromise.set_value(hr); - - if(FAILED(hr)) - { - if(--deviceCount == 0 && SUCCEEDED(cohr)) - CoUninitialize(); - } - continue; - - case MsgType::ResetDevice: - hr = msg.mProxy->resetProxy(); - msg.mPromise.set_value(hr); - continue; - - case MsgType::StartDevice: - hr = msg.mProxy->startProxy(); - msg.mPromise.set_value(hr); - continue; - - case MsgType::StopDevice: - msg.mProxy->stopProxy(); - msg.mPromise.set_value(S_OK); - continue; - - case MsgType::CloseDevice: - msg.mProxy->closeProxy(); - msg.mPromise.set_value(S_OK); - - if(--deviceCount == 0) - CoUninitialize(); - continue; - - case MsgType::EnumeratePlayback: - case MsgType::EnumerateCapture: - hr = cohr = S_OK; - if(++deviceCount == 1) - hr = cohr = CoInitializeEx(nullptr, COINIT_MULTITHREADED); - if(SUCCEEDED(hr)) - hr = CoCreateInstance(CLSID_MMDeviceEnumerator, nullptr, CLSCTX_INPROC_SERVER, IID_IMMDeviceEnumerator, &ptr); - if(FAILED(hr)) - msg.mPromise.set_value(hr); - else - { - Enumerator = static_cast<IMMDeviceEnumerator*>(ptr); - - if(msg.mType == MsgType::EnumeratePlayback) - hr = probe_devices(Enumerator, eRender, PlaybackDevices); - else if(msg.mType == MsgType::EnumerateCapture) - hr = probe_devices(Enumerator, eCapture, CaptureDevices); - msg.mPromise.set_value(hr); - - Enumerator->Release(); - Enumerator = nullptr; - } - - if(--deviceCount == 0 && SUCCEEDED(cohr)) - CoUninitialize(); - continue; - - default: - ERR("Unexpected message: %u\n", static_cast<unsigned int>(msg.mType)); - msg.mPromise.set_value(E_FAIL); - continue; - } - } - TRACE("Message loop finished\n"); - - return 0; -} - - -struct WasapiPlayback final : public BackendBase, WasapiProxy { - WasapiPlayback(ALCdevice *device) noexcept : BackendBase{device} { } - ~WasapiPlayback() override; - - int mixerProc(); - - ALCenum open(const ALCchar *name) override; - HRESULT openProxy() override; - void closeProxy() override; - - ALCboolean reset() override; - HRESULT resetProxy() override; - ALCboolean start() override; - HRESULT startProxy() override; - void stop() override; - void stopProxy() override; - - ClockLatency getClockLatency() override; - - std::wstring mDevId; - - IMMDevice *mMMDev{nullptr}; - IAudioClient *mClient{nullptr}; - IAudioRenderClient *mRender{nullptr}; - HANDLE mNotifyEvent{nullptr}; - - std::atomic<UINT32> mPadding{0u}; - - std::atomic<bool> mKillNow{true}; - std::thread mThread; - - DEF_NEWDEL(WasapiPlayback) -}; - -WasapiPlayback::~WasapiPlayback() -{ - pushMessage(MsgType::CloseDevice).wait(); - - if(mNotifyEvent != nullptr) - CloseHandle(mNotifyEvent); - mNotifyEvent = nullptr; -} - - -FORCE_ALIGN int WasapiPlayback::mixerProc() -{ - HRESULT hr = CoInitializeEx(nullptr, COINIT_MULTITHREADED); - if(FAILED(hr)) - { - ERR("CoInitializeEx(nullptr, COINIT_MULTITHREADED) failed: 0x%08lx\n", hr); - aluHandleDisconnect(mDevice, "COM init failed: 0x%08lx", hr); - return 1; - } - - SetRTPriority(); - althrd_setname(MIXER_THREAD_NAME); - - const ALuint update_size{mDevice->UpdateSize}; - const UINT32 buffer_len{mDevice->BufferSize}; - while(!mKillNow.load(std::memory_order_relaxed)) - { - UINT32 written; - hr = mClient->GetCurrentPadding(&written); - if(FAILED(hr)) - { - ERR("Failed to get padding: 0x%08lx\n", hr); - aluHandleDisconnect(mDevice, "Failed to retrieve buffer padding: 0x%08lx", hr); - break; - } - mPadding.store(written, std::memory_order_relaxed); - - ALuint len{buffer_len - written}; - if(len < update_size) - { - DWORD res{WaitForSingleObjectEx(mNotifyEvent, 2000, FALSE)}; - if(res != WAIT_OBJECT_0) - ERR("WaitForSingleObjectEx error: 0x%lx\n", res); - continue; - } - - BYTE *buffer; - hr = mRender->GetBuffer(len, &buffer); - if(SUCCEEDED(hr)) - { - lock(); - aluMixData(mDevice, buffer, len); - mPadding.store(written + len, std::memory_order_relaxed); - unlock(); - hr = mRender->ReleaseBuffer(len, 0); - } - if(FAILED(hr)) - { - ERR("Failed to buffer data: 0x%08lx\n", hr); - aluHandleDisconnect(mDevice, "Failed to send playback samples: 0x%08lx", hr); - break; - } - } - mPadding.store(0u, std::memory_order_release); - - CoUninitialize(); - return 0; -} - - -ALCenum WasapiPlayback::open(const ALCchar *name) -{ - HRESULT hr{S_OK}; - - mNotifyEvent = CreateEventW(nullptr, FALSE, FALSE, nullptr); - if(mNotifyEvent == nullptr) - { - ERR("Failed to create notify events: %lu\n", GetLastError()); - hr = E_FAIL; - } - - if(SUCCEEDED(hr)) - { - if(name) - { - if(PlaybackDevices.empty()) - pushMessage(MsgType::EnumeratePlayback).wait(); - - hr = E_FAIL; - auto iter = std::find_if(PlaybackDevices.cbegin(), PlaybackDevices.cend(), - [name](const DevMap &entry) -> bool - { return entry.name == name || entry.endpoint_guid == name; } - ); - if(iter == PlaybackDevices.cend()) - { - std::wstring wname{utf8_to_wstr(name)}; - iter = std::find_if(PlaybackDevices.cbegin(), PlaybackDevices.cend(), - [&wname](const DevMap &entry) -> bool - { return entry.devid == wname; } - ); - } - if(iter == PlaybackDevices.cend()) - WARN("Failed to find device name matching \"%s\"\n", name); - else - { - mDevId = iter->devid; - mDevice->DeviceName = iter->name; - hr = S_OK; - } - } - } - - if(SUCCEEDED(hr)) - hr = pushMessage(MsgType::OpenDevice).get(); - - if(FAILED(hr)) - { - if(mNotifyEvent != nullptr) - CloseHandle(mNotifyEvent); - mNotifyEvent = nullptr; - - mDevId.clear(); - - ERR("Device init failed: 0x%08lx\n", hr); - return ALC_INVALID_VALUE; - } - - return ALC_NO_ERROR; -} - -HRESULT WasapiPlayback::openProxy() -{ - void *ptr; - HRESULT hr{CoCreateInstance(CLSID_MMDeviceEnumerator, nullptr, CLSCTX_INPROC_SERVER, IID_IMMDeviceEnumerator, &ptr)}; - if(SUCCEEDED(hr)) - { - auto Enumerator = static_cast<IMMDeviceEnumerator*>(ptr); - if(mDevId.empty()) - hr = Enumerator->GetDefaultAudioEndpoint(eRender, eMultimedia, &mMMDev); - else - hr = Enumerator->GetDevice(mDevId.c_str(), &mMMDev); - Enumerator->Release(); - } - if(SUCCEEDED(hr)) - hr = mMMDev->Activate(IID_IAudioClient, CLSCTX_INPROC_SERVER, nullptr, &ptr); - if(SUCCEEDED(hr)) - { - mClient = static_cast<IAudioClient*>(ptr); - if(mDevice->DeviceName.empty()) - mDevice->DeviceName = get_device_name_and_guid(mMMDev).first; - } - - if(FAILED(hr)) - { - if(mMMDev) - mMMDev->Release(); - mMMDev = nullptr; - } - - return hr; -} - -void WasapiPlayback::closeProxy() -{ - if(mClient) - mClient->Release(); - mClient = nullptr; - - if(mMMDev) - mMMDev->Release(); - mMMDev = nullptr; -} - - -ALCboolean WasapiPlayback::reset() -{ - HRESULT hr{pushMessage(MsgType::ResetDevice).get()}; - return SUCCEEDED(hr) ? ALC_TRUE : ALC_FALSE; -} - -HRESULT WasapiPlayback::resetProxy() -{ - if(mClient) - mClient->Release(); - mClient = nullptr; - - void *ptr; - HRESULT hr = mMMDev->Activate(IID_IAudioClient, CLSCTX_INPROC_SERVER, nullptr, &ptr); - if(FAILED(hr)) - { - ERR("Failed to reactivate audio client: 0x%08lx\n", hr); - return hr; - } - mClient = static_cast<IAudioClient*>(ptr); - - WAVEFORMATEX *wfx; - hr = mClient->GetMixFormat(&wfx); - if(FAILED(hr)) - { - ERR("Failed to get mix format: 0x%08lx\n", hr); - return hr; - } - - WAVEFORMATEXTENSIBLE OutputType; - if(!MakeExtensible(&OutputType, wfx)) - { - CoTaskMemFree(wfx); - return E_FAIL; - } - CoTaskMemFree(wfx); - wfx = nullptr; - - const REFERENCE_TIME per_time{mDevice->UpdateSize * REFTIME_PER_SEC / mDevice->Frequency}; - const REFERENCE_TIME buf_time{mDevice->BufferSize * REFTIME_PER_SEC / mDevice->Frequency}; - - if(!mDevice->Flags.get<FrequencyRequest>()) - mDevice->Frequency = OutputType.Format.nSamplesPerSec; - if(!mDevice->Flags.get<ChannelsRequest>()) - { - if(OutputType.Format.nChannels == 1 && OutputType.dwChannelMask == MONO) - mDevice->FmtChans = DevFmtMono; - else if(OutputType.Format.nChannels == 2 && OutputType.dwChannelMask == STEREO) - mDevice->FmtChans = DevFmtStereo; - else if(OutputType.Format.nChannels == 4 && OutputType.dwChannelMask == QUAD) - mDevice->FmtChans = DevFmtQuad; - else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1) - mDevice->FmtChans = DevFmtX51; - else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1REAR) - mDevice->FmtChans = DevFmtX51Rear; - else if(OutputType.Format.nChannels == 7 && OutputType.dwChannelMask == X6DOT1) - mDevice->FmtChans = DevFmtX61; - else if(OutputType.Format.nChannels == 8 && (OutputType.dwChannelMask == X7DOT1 || OutputType.dwChannelMask == X7DOT1_WIDE)) - mDevice->FmtChans = DevFmtX71; - else - ERR("Unhandled channel config: %d -- 0x%08lx\n", OutputType.Format.nChannels, OutputType.dwChannelMask); - } - - OutputType.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE; - switch(mDevice->FmtChans) - { - case DevFmtMono: - OutputType.Format.nChannels = 1; - OutputType.dwChannelMask = MONO; - break; - case DevFmtAmbi3D: - mDevice->FmtChans = DevFmtStereo; - /*fall-through*/ - case DevFmtStereo: - OutputType.Format.nChannels = 2; - OutputType.dwChannelMask = STEREO; - break; - case DevFmtQuad: - OutputType.Format.nChannels = 4; - OutputType.dwChannelMask = QUAD; - break; - case DevFmtX51: - OutputType.Format.nChannels = 6; - OutputType.dwChannelMask = X5DOT1; - break; - case DevFmtX51Rear: - OutputType.Format.nChannels = 6; - OutputType.dwChannelMask = X5DOT1REAR; - break; - case DevFmtX61: - OutputType.Format.nChannels = 7; - OutputType.dwChannelMask = X6DOT1; - break; - case DevFmtX71: - OutputType.Format.nChannels = 8; - OutputType.dwChannelMask = X7DOT1; - break; - } - switch(mDevice->FmtType) - { - case DevFmtByte: - mDevice->FmtType = DevFmtUByte; - /* fall-through */ - case DevFmtUByte: - OutputType.Format.wBitsPerSample = 8; - OutputType.Samples.wValidBitsPerSample = 8; - OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; - break; - case DevFmtUShort: - mDevice->FmtType = DevFmtShort; - /* fall-through */ - case DevFmtShort: - OutputType.Format.wBitsPerSample = 16; - OutputType.Samples.wValidBitsPerSample = 16; - OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; - break; - case DevFmtUInt: - mDevice->FmtType = DevFmtInt; - /* fall-through */ - case DevFmtInt: - OutputType.Format.wBitsPerSample = 32; - OutputType.Samples.wValidBitsPerSample = 32; - OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; - break; - case DevFmtFloat: - OutputType.Format.wBitsPerSample = 32; - OutputType.Samples.wValidBitsPerSample = 32; - OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT; - break; - } - OutputType.Format.nSamplesPerSec = mDevice->Frequency; - - OutputType.Format.nBlockAlign = OutputType.Format.nChannels * - OutputType.Format.wBitsPerSample / 8; - OutputType.Format.nAvgBytesPerSec = OutputType.Format.nSamplesPerSec * - OutputType.Format.nBlockAlign; - - TraceFormat("Requesting playback format", &OutputType.Format); - hr = mClient->IsFormatSupported(AUDCLNT_SHAREMODE_SHARED, &OutputType.Format, &wfx); - if(FAILED(hr)) - { - ERR("Failed to check format support: 0x%08lx\n", hr); - hr = mClient->GetMixFormat(&wfx); - } - if(FAILED(hr)) - { - ERR("Failed to find a supported format: 0x%08lx\n", hr); - return hr; - } - - if(wfx != nullptr) - { - TraceFormat("Got playback format", wfx); - if(!MakeExtensible(&OutputType, wfx)) - { - CoTaskMemFree(wfx); - return E_FAIL; - } - CoTaskMemFree(wfx); - wfx = nullptr; - - mDevice->Frequency = OutputType.Format.nSamplesPerSec; - if(OutputType.Format.nChannels == 1 && OutputType.dwChannelMask == MONO) - mDevice->FmtChans = DevFmtMono; - else if(OutputType.Format.nChannels == 2 && OutputType.dwChannelMask == STEREO) - mDevice->FmtChans = DevFmtStereo; - else if(OutputType.Format.nChannels == 4 && OutputType.dwChannelMask == QUAD) - mDevice->FmtChans = DevFmtQuad; - else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1) - mDevice->FmtChans = DevFmtX51; - else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1REAR) - mDevice->FmtChans = DevFmtX51Rear; - else if(OutputType.Format.nChannels == 7 && OutputType.dwChannelMask == X6DOT1) - mDevice->FmtChans = DevFmtX61; - else if(OutputType.Format.nChannels == 8 && (OutputType.dwChannelMask == X7DOT1 || OutputType.dwChannelMask == X7DOT1_WIDE)) - mDevice->FmtChans = DevFmtX71; - else - { - ERR("Unhandled extensible channels: %d -- 0x%08lx\n", OutputType.Format.nChannels, OutputType.dwChannelMask); - mDevice->FmtChans = DevFmtStereo; - OutputType.Format.nChannels = 2; - OutputType.dwChannelMask = STEREO; - } - - if(IsEqualGUID(OutputType.SubFormat, KSDATAFORMAT_SUBTYPE_PCM)) - { - if(OutputType.Format.wBitsPerSample == 8) - mDevice->FmtType = DevFmtUByte; - else if(OutputType.Format.wBitsPerSample == 16) - mDevice->FmtType = DevFmtShort; - else if(OutputType.Format.wBitsPerSample == 32) - mDevice->FmtType = DevFmtInt; - else - { - mDevice->FmtType = DevFmtShort; - OutputType.Format.wBitsPerSample = 16; - } - } - else if(IsEqualGUID(OutputType.SubFormat, KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) - { - mDevice->FmtType = DevFmtFloat; - OutputType.Format.wBitsPerSample = 32; - } - else - { - ERR("Unhandled format sub-type\n"); - mDevice->FmtType = DevFmtShort; - if(OutputType.Format.wFormatTag != WAVE_FORMAT_EXTENSIBLE) - OutputType.Format.wFormatTag = WAVE_FORMAT_PCM; - OutputType.Format.wBitsPerSample = 16; - OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; - } - OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample; - } - - EndpointFormFactor formfactor = UnknownFormFactor; - get_device_formfactor(mMMDev, &formfactor); - mDevice->IsHeadphones = (mDevice->FmtChans == DevFmtStereo && - (formfactor == Headphones || formfactor == Headset)); - - SetDefaultWFXChannelOrder(mDevice); - - hr = mClient->Initialize(AUDCLNT_SHAREMODE_SHARED, AUDCLNT_STREAMFLAGS_EVENTCALLBACK, buf_time, - 0, &OutputType.Format, nullptr); - if(FAILED(hr)) - { - ERR("Failed to initialize audio client: 0x%08lx\n", hr); - return hr; - } - - UINT32 buffer_len, min_len; - REFERENCE_TIME min_per; - hr = mClient->GetDevicePeriod(&min_per, nullptr); - if(SUCCEEDED(hr)) - hr = mClient->GetBufferSize(&buffer_len); - if(FAILED(hr)) - { - ERR("Failed to get audio buffer info: 0x%08lx\n", hr); - return hr; - } - - /* Find the nearest multiple of the period size to the update size */ - if(min_per < per_time) - min_per *= maxi64((per_time + min_per/2) / min_per, 1); - min_len = (UINT32)ScaleCeil(min_per, mDevice->Frequency, REFTIME_PER_SEC); - min_len = minu(min_len, buffer_len/2); - - mDevice->UpdateSize = min_len; - mDevice->BufferSize = buffer_len; - - hr = mClient->SetEventHandle(mNotifyEvent); - if(FAILED(hr)) - { - ERR("Failed to set event handle: 0x%08lx\n", hr); - return hr; - } - - return hr; -} - - -ALCboolean WasapiPlayback::start() -{ - HRESULT hr{pushMessage(MsgType::StartDevice).get()}; - return SUCCEEDED(hr) ? ALC_TRUE : ALC_FALSE; -} - -HRESULT WasapiPlayback::startProxy() -{ - ResetEvent(mNotifyEvent); - - HRESULT hr = mClient->Start(); - if(FAILED(hr)) - { - ERR("Failed to start audio client: 0x%08lx\n", hr); - return hr; - } - - void *ptr; - hr = mClient->GetService(IID_IAudioRenderClient, &ptr); - if(SUCCEEDED(hr)) - { - mRender = static_cast<IAudioRenderClient*>(ptr); - try { - mKillNow.store(false, std::memory_order_release); - mThread = std::thread{std::mem_fn(&WasapiPlayback::mixerProc), this}; - } - catch(...) { - mRender->Release(); - mRender = nullptr; - ERR("Failed to start thread\n"); - hr = E_FAIL; - } - } - - if(FAILED(hr)) - mClient->Stop(); - - return hr; -} - - -void WasapiPlayback::stop() -{ pushMessage(MsgType::StopDevice).wait(); } - -void WasapiPlayback::stopProxy() -{ - if(!mRender || !mThread.joinable()) - return; - - mKillNow.store(true, std::memory_order_release); - mThread.join(); - - mRender->Release(); - mRender = nullptr; - mClient->Stop(); -} - - -ClockLatency WasapiPlayback::getClockLatency() -{ - ClockLatency ret; - - lock(); - ret.ClockTime = GetDeviceClockTime(mDevice); - ret.Latency = std::chrono::seconds{mPadding.load(std::memory_order_relaxed)}; - ret.Latency /= mDevice->Frequency; - unlock(); - - return ret; -} - - -struct WasapiCapture final : public BackendBase, WasapiProxy { - WasapiCapture(ALCdevice *device) noexcept : BackendBase{device} { } - ~WasapiCapture() override; - - int recordProc(); - - ALCenum open(const ALCchar *name) override; - HRESULT openProxy() override; - void closeProxy() override; - - HRESULT resetProxy() override; - ALCboolean start() override; - HRESULT startProxy() override; - void stop() override; - void stopProxy() override; - - ALCenum captureSamples(void *buffer, ALCuint samples) override; - ALCuint availableSamples() override; - - std::wstring mDevId; - - IMMDevice *mMMDev{nullptr}; - IAudioClient *mClient{nullptr}; - IAudioCaptureClient *mCapture{nullptr}; - HANDLE mNotifyEvent{nullptr}; - - ChannelConverterPtr mChannelConv; - SampleConverterPtr mSampleConv; - RingBufferPtr mRing; - - std::atomic<bool> mKillNow{true}; - std::thread mThread; - - DEF_NEWDEL(WasapiCapture) -}; - -WasapiCapture::~WasapiCapture() -{ - pushMessage(MsgType::CloseDevice).wait(); - - if(mNotifyEvent != nullptr) - CloseHandle(mNotifyEvent); - mNotifyEvent = nullptr; -} - - -FORCE_ALIGN int WasapiCapture::recordProc() -{ - HRESULT hr = CoInitializeEx(nullptr, COINIT_MULTITHREADED); - if(FAILED(hr)) - { - ERR("CoInitializeEx(nullptr, COINIT_MULTITHREADED) failed: 0x%08lx\n", hr); - aluHandleDisconnect(mDevice, "COM init failed: 0x%08lx", hr); - return 1; - } - - althrd_setname(RECORD_THREAD_NAME); - - al::vector<float> samples; - while(!mKillNow.load(std::memory_order_relaxed)) - { - UINT32 avail; - hr = mCapture->GetNextPacketSize(&avail); - if(FAILED(hr)) - ERR("Failed to get next packet size: 0x%08lx\n", hr); - else if(avail > 0) - { - UINT32 numsamples; - DWORD flags; - BYTE *rdata; - - hr = mCapture->GetBuffer(&rdata, &numsamples, &flags, nullptr, nullptr); - if(FAILED(hr)) - ERR("Failed to get capture buffer: 0x%08lx\n", hr); - else - { - if(mChannelConv) - { - samples.resize(numsamples*2); - mChannelConv->convert(rdata, samples.data(), numsamples); - rdata = reinterpret_cast<BYTE*>(samples.data()); - } - - auto data = mRing->getWriteVector(); - - size_t dstframes; - if(mSampleConv) - { - const ALvoid *srcdata{rdata}; - auto srcframes = static_cast<ALsizei>(numsamples); - - dstframes = mSampleConv->convert(&srcdata, &srcframes, data.first.buf, - static_cast<ALsizei>(minz(data.first.len, INT_MAX))); - if(srcframes > 0 && dstframes == data.first.len && data.second.len > 0) - { - /* If some source samples remain, all of the first dest - * block was filled, and there's space in the second - * dest block, do another run for the second block. - */ - dstframes += mSampleConv->convert(&srcdata, &srcframes, data.second.buf, - static_cast<ALsizei>(minz(data.second.len, INT_MAX))); - } - } - else - { - const auto framesize = static_cast<ALuint>(mDevice->frameSizeFromFmt()); - size_t len1 = minz(data.first.len, numsamples); - size_t len2 = minz(data.second.len, numsamples-len1); - - memcpy(data.first.buf, rdata, len1*framesize); - if(len2 > 0) - memcpy(data.second.buf, rdata+len1*framesize, len2*framesize); - dstframes = len1 + len2; - } - - mRing->writeAdvance(dstframes); - - hr = mCapture->ReleaseBuffer(numsamples); - if(FAILED(hr)) ERR("Failed to release capture buffer: 0x%08lx\n", hr); - } - } - - if(FAILED(hr)) - { - aluHandleDisconnect(mDevice, "Failed to capture samples: 0x%08lx", hr); - break; - } - - DWORD res{WaitForSingleObjectEx(mNotifyEvent, 2000, FALSE)}; - if(res != WAIT_OBJECT_0) - ERR("WaitForSingleObjectEx error: 0x%lx\n", res); - } - - CoUninitialize(); - return 0; -} - - -ALCenum WasapiCapture::open(const ALCchar *name) -{ - HRESULT hr{S_OK}; - - mNotifyEvent = CreateEventW(nullptr, FALSE, FALSE, nullptr); - if(mNotifyEvent == nullptr) - { - ERR("Failed to create notify event: %lu\n", GetLastError()); - hr = E_FAIL; - } - - if(SUCCEEDED(hr)) - { - if(name) - { - if(CaptureDevices.empty()) - pushMessage(MsgType::EnumerateCapture).wait(); - - hr = E_FAIL; - auto iter = std::find_if(CaptureDevices.cbegin(), CaptureDevices.cend(), - [name](const DevMap &entry) -> bool - { return entry.name == name || entry.endpoint_guid == name; } - ); - if(iter == CaptureDevices.cend()) - { - std::wstring wname{utf8_to_wstr(name)}; - iter = std::find_if(CaptureDevices.cbegin(), CaptureDevices.cend(), - [&wname](const DevMap &entry) -> bool - { return entry.devid == wname; } - ); - } - if(iter == CaptureDevices.cend()) - WARN("Failed to find device name matching \"%s\"\n", name); - else - { - mDevId = iter->devid; - mDevice->DeviceName = iter->name; - hr = S_OK; - } - } - } - - if(SUCCEEDED(hr)) - hr = pushMessage(MsgType::OpenDevice).get(); - - if(FAILED(hr)) - { - if(mNotifyEvent != nullptr) - CloseHandle(mNotifyEvent); - mNotifyEvent = nullptr; - - mDevId.clear(); - - ERR("Device init failed: 0x%08lx\n", hr); - return ALC_INVALID_VALUE; - } - - hr = pushMessage(MsgType::ResetDevice).get(); - if(FAILED(hr)) - { - if(hr == E_OUTOFMEMORY) - return ALC_OUT_OF_MEMORY; - return ALC_INVALID_VALUE; - } - - return ALC_NO_ERROR; -} - -HRESULT WasapiCapture::openProxy() -{ - void *ptr; - HRESULT hr{CoCreateInstance(CLSID_MMDeviceEnumerator, nullptr, CLSCTX_INPROC_SERVER, - IID_IMMDeviceEnumerator, &ptr)}; - if(SUCCEEDED(hr)) - { - auto Enumerator = static_cast<IMMDeviceEnumerator*>(ptr); - if(mDevId.empty()) - hr = Enumerator->GetDefaultAudioEndpoint(eCapture, eMultimedia, &mMMDev); - else - hr = Enumerator->GetDevice(mDevId.c_str(), &mMMDev); - Enumerator->Release(); - } - if(SUCCEEDED(hr)) - hr = mMMDev->Activate(IID_IAudioClient, CLSCTX_INPROC_SERVER, nullptr, &ptr); - if(SUCCEEDED(hr)) - { - mClient = static_cast<IAudioClient*>(ptr); - if(mDevice->DeviceName.empty()) - mDevice->DeviceName = get_device_name_and_guid(mMMDev).first; - } - - if(FAILED(hr)) - { - if(mMMDev) - mMMDev->Release(); - mMMDev = nullptr; - } - - return hr; -} - -void WasapiCapture::closeProxy() -{ - if(mClient) - mClient->Release(); - mClient = nullptr; - - if(mMMDev) - mMMDev->Release(); - mMMDev = nullptr; -} - -HRESULT WasapiCapture::resetProxy() -{ - if(mClient) - mClient->Release(); - mClient = nullptr; - - void *ptr; - HRESULT hr{mMMDev->Activate(IID_IAudioClient, CLSCTX_INPROC_SERVER, nullptr, &ptr)}; - if(FAILED(hr)) - { - ERR("Failed to reactivate audio client: 0x%08lx\n", hr); - return hr; - } - mClient = static_cast<IAudioClient*>(ptr); - - // Make sure buffer is at least 100ms in size - REFERENCE_TIME buf_time{mDevice->BufferSize * REFTIME_PER_SEC / mDevice->Frequency}; - buf_time = maxu64(buf_time, REFTIME_PER_SEC/10); - - WAVEFORMATEXTENSIBLE OutputType; - OutputType.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE; - switch(mDevice->FmtChans) - { - case DevFmtMono: - OutputType.Format.nChannels = 1; - OutputType.dwChannelMask = MONO; - break; - case DevFmtStereo: - OutputType.Format.nChannels = 2; - OutputType.dwChannelMask = STEREO; - break; - case DevFmtQuad: - OutputType.Format.nChannels = 4; - OutputType.dwChannelMask = QUAD; - break; - case DevFmtX51: - OutputType.Format.nChannels = 6; - OutputType.dwChannelMask = X5DOT1; - break; - case DevFmtX51Rear: - OutputType.Format.nChannels = 6; - OutputType.dwChannelMask = X5DOT1REAR; - break; - case DevFmtX61: - OutputType.Format.nChannels = 7; - OutputType.dwChannelMask = X6DOT1; - break; - case DevFmtX71: - OutputType.Format.nChannels = 8; - OutputType.dwChannelMask = X7DOT1; - break; - - case DevFmtAmbi3D: - return E_FAIL; - } - switch(mDevice->FmtType) - { - /* NOTE: Signedness doesn't matter, the converter will handle it. */ - case DevFmtByte: - case DevFmtUByte: - OutputType.Format.wBitsPerSample = 8; - OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; - break; - case DevFmtShort: - case DevFmtUShort: - OutputType.Format.wBitsPerSample = 16; - OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; - break; - case DevFmtInt: - case DevFmtUInt: - OutputType.Format.wBitsPerSample = 32; - OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; - break; - case DevFmtFloat: - OutputType.Format.wBitsPerSample = 32; - OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT; - break; - } - OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample; - OutputType.Format.nSamplesPerSec = mDevice->Frequency; - - OutputType.Format.nBlockAlign = OutputType.Format.nChannels * - OutputType.Format.wBitsPerSample / 8; - OutputType.Format.nAvgBytesPerSec = OutputType.Format.nSamplesPerSec * - OutputType.Format.nBlockAlign; - OutputType.Format.cbSize = sizeof(OutputType) - sizeof(OutputType.Format); - - TraceFormat("Requesting capture format", &OutputType.Format); - WAVEFORMATEX *wfx; - hr = mClient->IsFormatSupported(AUDCLNT_SHAREMODE_SHARED, &OutputType.Format, &wfx); - if(FAILED(hr)) - { - ERR("Failed to check format support: 0x%08lx\n", hr); - return hr; - } - - mSampleConv = nullptr; - mChannelConv = nullptr; - - if(wfx != nullptr) - { - TraceFormat("Got capture format", wfx); - if(!(wfx->nChannels == OutputType.Format.nChannels || - (wfx->nChannels == 1 && OutputType.Format.nChannels == 2) || - (wfx->nChannels == 2 && OutputType.Format.nChannels == 1))) - { - ERR("Failed to get matching format, wanted: %s %s %uhz, got: %d channel%s %d-bit %luhz\n", - DevFmtChannelsString(mDevice->FmtChans), DevFmtTypeString(mDevice->FmtType), - mDevice->Frequency, wfx->nChannels, (wfx->nChannels==1)?"":"s", wfx->wBitsPerSample, - wfx->nSamplesPerSec); - CoTaskMemFree(wfx); - return E_FAIL; - } - - if(!MakeExtensible(&OutputType, wfx)) - { - CoTaskMemFree(wfx); - return E_FAIL; - } - CoTaskMemFree(wfx); - wfx = nullptr; - } - - DevFmtType srcType; - if(IsEqualGUID(OutputType.SubFormat, KSDATAFORMAT_SUBTYPE_PCM)) - { - if(OutputType.Format.wBitsPerSample == 8) - srcType = DevFmtUByte; - else if(OutputType.Format.wBitsPerSample == 16) - srcType = DevFmtShort; - else if(OutputType.Format.wBitsPerSample == 32) - srcType = DevFmtInt; - else - { - ERR("Unhandled integer bit depth: %d\n", OutputType.Format.wBitsPerSample); - return E_FAIL; - } - } - else if(IsEqualGUID(OutputType.SubFormat, KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) - { - if(OutputType.Format.wBitsPerSample == 32) - srcType = DevFmtFloat; - else - { - ERR("Unhandled float bit depth: %d\n", OutputType.Format.wBitsPerSample); - return E_FAIL; - } - } - else - { - ERR("Unhandled format sub-type\n"); - return E_FAIL; - } - - if(mDevice->FmtChans == DevFmtMono && OutputType.Format.nChannels == 2) - { - mChannelConv = CreateChannelConverter(srcType, DevFmtStereo, mDevice->FmtChans); - if(!mChannelConv) - { - ERR("Failed to create %s stereo-to-mono converter\n", DevFmtTypeString(srcType)); - return E_FAIL; - } - TRACE("Created %s stereo-to-mono converter\n", DevFmtTypeString(srcType)); - /* The channel converter always outputs float, so change the input type - * for the resampler/type-converter. - */ - srcType = DevFmtFloat; - } - else if(mDevice->FmtChans == DevFmtStereo && OutputType.Format.nChannels == 1) - { - mChannelConv = CreateChannelConverter(srcType, DevFmtMono, mDevice->FmtChans); - if(!mChannelConv) - { - ERR("Failed to create %s mono-to-stereo converter\n", DevFmtTypeString(srcType)); - return E_FAIL; - } - TRACE("Created %s mono-to-stereo converter\n", DevFmtTypeString(srcType)); - srcType = DevFmtFloat; - } - - if(mDevice->Frequency != OutputType.Format.nSamplesPerSec || mDevice->FmtType != srcType) - { - mSampleConv = CreateSampleConverter(srcType, mDevice->FmtType, mDevice->channelsFromFmt(), - OutputType.Format.nSamplesPerSec, mDevice->Frequency, BSinc24Resampler); - if(!mSampleConv) - { - ERR("Failed to create converter for %s format, dst: %s %uhz, src: %s %luhz\n", - DevFmtChannelsString(mDevice->FmtChans), DevFmtTypeString(mDevice->FmtType), - mDevice->Frequency, DevFmtTypeString(srcType), OutputType.Format.nSamplesPerSec); - return E_FAIL; - } - TRACE("Created converter for %s format, dst: %s %uhz, src: %s %luhz\n", - DevFmtChannelsString(mDevice->FmtChans), DevFmtTypeString(mDevice->FmtType), - mDevice->Frequency, DevFmtTypeString(srcType), OutputType.Format.nSamplesPerSec); - } - - hr = mClient->Initialize(AUDCLNT_SHAREMODE_SHARED, AUDCLNT_STREAMFLAGS_EVENTCALLBACK, buf_time, - 0, &OutputType.Format, nullptr); - if(FAILED(hr)) - { - ERR("Failed to initialize audio client: 0x%08lx\n", hr); - return hr; - } - - UINT32 buffer_len; - REFERENCE_TIME min_per; - hr = mClient->GetDevicePeriod(&min_per, nullptr); - if(SUCCEEDED(hr)) - hr = mClient->GetBufferSize(&buffer_len); - if(FAILED(hr)) - { - ERR("Failed to get buffer size: 0x%08lx\n", hr); - return hr; - } - mDevice->UpdateSize = static_cast<ALuint>(ScaleCeil(min_per, mDevice->Frequency, - REFTIME_PER_SEC)); - mDevice->BufferSize = buffer_len; - - buffer_len = maxu(mDevice->BufferSize, buffer_len); - mRing = CreateRingBuffer(buffer_len, mDevice->frameSizeFromFmt(), false); - if(!mRing) - { - ERR("Failed to allocate capture ring buffer\n"); - return E_OUTOFMEMORY; - } - - hr = mClient->SetEventHandle(mNotifyEvent); - if(FAILED(hr)) - { - ERR("Failed to set event handle: 0x%08lx\n", hr); - return hr; - } - - return hr; -} - - -ALCboolean WasapiCapture::start() -{ - HRESULT hr{pushMessage(MsgType::StartDevice).get()}; - return SUCCEEDED(hr) ? ALC_TRUE : ALC_FALSE; -} - -HRESULT WasapiCapture::startProxy() -{ - ResetEvent(mNotifyEvent); - - HRESULT hr{mClient->Start()}; - if(FAILED(hr)) - { - ERR("Failed to start audio client: 0x%08lx\n", hr); - return hr; - } - - void *ptr; - hr = mClient->GetService(IID_IAudioCaptureClient, &ptr); - if(SUCCEEDED(hr)) - { - mCapture = static_cast<IAudioCaptureClient*>(ptr); - try { - mKillNow.store(false, std::memory_order_release); - mThread = std::thread{std::mem_fn(&WasapiCapture::recordProc), this}; - } - catch(...) { - mCapture->Release(); - mCapture = nullptr; - ERR("Failed to start thread\n"); - hr = E_FAIL; - } - } - - if(FAILED(hr)) - { - mClient->Stop(); - mClient->Reset(); - } - - return hr; -} - - -void WasapiCapture::stop() -{ pushMessage(MsgType::StopDevice).wait(); } - -void WasapiCapture::stopProxy() -{ - if(!mCapture || !mThread.joinable()) - return; - - mKillNow.store(true, std::memory_order_release); - mThread.join(); - - mCapture->Release(); - mCapture = nullptr; - mClient->Stop(); - mClient->Reset(); -} - - -ALCuint WasapiCapture::availableSamples() -{ return (ALCuint)mRing->readSpace(); } - -ALCenum WasapiCapture::captureSamples(void *buffer, ALCuint samples) -{ - mRing->read(buffer, samples); - return ALC_NO_ERROR; -} - -} // namespace - - -bool WasapiBackendFactory::init() -{ - static HRESULT InitResult{E_FAIL}; - - if(FAILED(InitResult)) try - { - std::promise<HRESULT> promise; - auto future = promise.get_future(); - - std::thread{&WasapiProxy::messageHandler, &promise}.detach(); - InitResult = future.get(); - } - catch(...) { - } - - return SUCCEEDED(InitResult) ? ALC_TRUE : ALC_FALSE; -} - -bool WasapiBackendFactory::querySupport(BackendType type) -{ return type == BackendType::Playback || type == BackendType::Capture; } - -void WasapiBackendFactory::probe(DevProbe type, std::string *outnames) -{ - auto add_device = [outnames](const DevMap &entry) -> void - { - /* +1 to also append the null char (to ensure a null-separated list and - * double-null terminated list). - */ - outnames->append(entry.name.c_str(), entry.name.length()+1); - }; - HRESULT hr{}; - switch(type) - { - case DevProbe::Playback: - hr = WasapiProxy::pushMessageStatic(MsgType::EnumeratePlayback).get(); - if(SUCCEEDED(hr)) - std::for_each(PlaybackDevices.cbegin(), PlaybackDevices.cend(), add_device); - break; - - case DevProbe::Capture: - hr = WasapiProxy::pushMessageStatic(MsgType::EnumerateCapture).get(); - if(SUCCEEDED(hr)) - std::for_each(CaptureDevices.cbegin(), CaptureDevices.cend(), add_device); - break; - } -} - -BackendPtr WasapiBackendFactory::createBackend(ALCdevice *device, BackendType type) -{ - if(type == BackendType::Playback) - return BackendPtr{new WasapiPlayback{device}}; - if(type == BackendType::Capture) - return BackendPtr{new WasapiCapture{device}}; - return nullptr; -} - -BackendFactory &WasapiBackendFactory::getFactory() -{ - static WasapiBackendFactory factory{}; - return factory; -} |