1897 lines
59 KiB
C++
1897 lines
59 KiB
C++
/**
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* OpenAL cross platform audio library
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* Copyright (C) 2011 by authors.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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* Or go to http://www.gnu.org/copyleft/lgpl.html
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*/
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#include "config.h"
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#include "backends/wasapi.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <memory.h>
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#include <wtypes.h>
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#include <mmdeviceapi.h>
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#include <audioclient.h>
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#include <cguid.h>
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#include <devpropdef.h>
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#include <mmreg.h>
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#include <propsys.h>
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#include <propkey.h>
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#include <devpkey.h>
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#ifndef _WAVEFORMATEXTENSIBLE_
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#include <ks.h>
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#include <ksmedia.h>
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#endif
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#include <atomic>
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#include <thread>
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#include <vector>
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#include <string>
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#include <algorithm>
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#include "alMain.h"
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#include "alu.h"
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#include "ringbuffer.h"
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#include "compat.h"
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#include "converter.h"
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/* Some headers seem to define these as macros for __uuidof, which is annoying
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* since some headers don't declare them at all. Hopefully the ifdef is enough
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* to tell if they need to be declared.
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*/
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#ifndef KSDATAFORMAT_SUBTYPE_PCM
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DEFINE_GUID(KSDATAFORMAT_SUBTYPE_PCM, 0x00000001, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
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#endif
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#ifndef KSDATAFORMAT_SUBTYPE_IEEE_FLOAT
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DEFINE_GUID(KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, 0x00000003, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);
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#endif
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DEFINE_DEVPROPKEY(DEVPKEY_Device_FriendlyName, 0xa45c254e, 0xdf1c, 0x4efd, 0x80,0x20, 0x67,0xd1,0x46,0xa8,0x50,0xe0, 14);
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DEFINE_PROPERTYKEY(PKEY_AudioEndpoint_FormFactor, 0x1da5d803, 0xd492, 0x4edd, 0x8c,0x23, 0xe0,0xc0,0xff,0xee,0x7f,0x0e, 0);
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DEFINE_PROPERTYKEY(PKEY_AudioEndpoint_GUID, 0x1da5d803, 0xd492, 0x4edd, 0x8c, 0x23,0xe0, 0xc0,0xff,0xee,0x7f,0x0e, 4 );
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namespace {
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#define MONO SPEAKER_FRONT_CENTER
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#define STEREO (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT)
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#define QUAD (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT)
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#define X5DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT)
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#define X5DOT1REAR (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_LEFT|SPEAKER_BACK_RIGHT)
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#define X6DOT1 (SPEAKER_FRONT_LEFT|SPEAKER_FRONT_RIGHT|SPEAKER_FRONT_CENTER|SPEAKER_LOW_FREQUENCY|SPEAKER_BACK_CENTER|SPEAKER_SIDE_LEFT|SPEAKER_SIDE_RIGHT)
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#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)
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#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)
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#define REFTIME_PER_SEC ((REFERENCE_TIME)10000000)
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#define DEVNAME_HEAD "OpenAL Soft on "
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/* Scales the given value using 64-bit integer math, ceiling the result. */
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inline ALint64 ScaleCeil(ALint64 val, ALint64 new_scale, ALint64 old_scale)
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{
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return (val*new_scale + old_scale-1) / old_scale;
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}
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struct PropVariant {
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PROPVARIANT mProp;
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public:
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PropVariant() { PropVariantInit(&mProp); }
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~PropVariant() { clear(); }
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void clear() { PropVariantClear(&mProp); }
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PROPVARIANT* get() noexcept { return &mProp; }
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PROPVARIANT& operator*() noexcept { return mProp; }
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const PROPVARIANT& operator*() const noexcept { return mProp; }
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PROPVARIANT* operator->() noexcept { return &mProp; }
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const PROPVARIANT* operator->() const noexcept { return &mProp; }
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};
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struct DevMap {
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std::string name;
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std::string endpoint_guid; // obtained from PKEY_AudioEndpoint_GUID , set to "Unknown device GUID" if absent.
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std::wstring devid;
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template<typename T0, typename T1, typename T2>
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DevMap(T0&& name_, T1&& guid_, T2&& devid_)
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: name{std::forward<T0>(name_)}
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, endpoint_guid{std::forward<T1>(guid_)}
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, devid{std::forward<T2>(devid_)}
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{ }
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};
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bool checkName(const al::vector<DevMap> &list, const std::string &name)
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{
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return std::find_if(list.cbegin(), list.cend(),
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[&name](const DevMap &entry) -> bool
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{ return entry.name == name; }
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) != list.cend();
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}
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al::vector<DevMap> PlaybackDevices;
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al::vector<DevMap> CaptureDevices;
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HANDLE ThreadHdl;
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DWORD ThreadID;
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struct ThreadRequest {
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HANDLE FinishedEvt;
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HRESULT result;
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};
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#define WM_USER_First (WM_USER+0)
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#define WM_USER_OpenDevice (WM_USER+0)
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#define WM_USER_ResetDevice (WM_USER+1)
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#define WM_USER_StartDevice (WM_USER+2)
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#define WM_USER_StopDevice (WM_USER+3)
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#define WM_USER_CloseDevice (WM_USER+4)
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#define WM_USER_Enumerate (WM_USER+5)
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#define WM_USER_Last (WM_USER+5)
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constexpr char MessageStr[WM_USER_Last+1-WM_USER][20] = {
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"Open Device",
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"Reset Device",
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"Start Device",
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"Stop Device",
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"Close Device",
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"Enumerate Devices",
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};
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inline void ReturnMsgResponse(ThreadRequest *req, HRESULT res)
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{
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req->result = res;
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SetEvent(req->FinishedEvt);
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}
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HRESULT WaitForResponse(ThreadRequest *req)
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{
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if(WaitForSingleObject(req->FinishedEvt, INFINITE) == WAIT_OBJECT_0)
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return req->result;
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ERR("Message response error: %lu\n", GetLastError());
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return E_FAIL;
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}
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using NameGUIDPair = std::pair<std::string,std::string>;
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NameGUIDPair get_device_name_and_guid(IMMDevice *device)
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{
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std::string name{DEVNAME_HEAD};
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std::string guid;
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IPropertyStore *ps;
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HRESULT hr = device->OpenPropertyStore(STGM_READ, &ps);
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if(FAILED(hr))
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{
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WARN("OpenPropertyStore failed: 0x%08lx\n", hr);
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return { name+"Unknown Device Name", "Unknown Device GUID" };
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}
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PropVariant pvprop;
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hr = ps->GetValue(reinterpret_cast<const PROPERTYKEY&>(DEVPKEY_Device_FriendlyName), pvprop.get());
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if(FAILED(hr))
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{
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WARN("GetValue Device_FriendlyName failed: 0x%08lx\n", hr);
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name += "Unknown Device Name";
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}
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else if(pvprop->vt == VT_LPWSTR)
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name += wstr_to_utf8(pvprop->pwszVal);
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else
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{
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WARN("Unexpected PROPVARIANT type: 0x%04x\n", pvprop->vt);
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name += "Unknown Device Name";
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}
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pvprop.clear();
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hr = ps->GetValue(reinterpret_cast<const PROPERTYKEY&>(PKEY_AudioEndpoint_GUID), pvprop.get());
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if(FAILED(hr))
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{
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WARN("GetValue AudioEndpoint_GUID failed: 0x%08lx\n", hr);
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guid = "Unknown Device GUID";
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}
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else if(pvprop->vt == VT_LPWSTR)
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guid = wstr_to_utf8(pvprop->pwszVal);
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else
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{
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WARN("Unexpected PROPVARIANT type: 0x%04x\n", pvprop->vt);
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guid = "Unknown Device GUID";
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}
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ps->Release();
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return {name, guid};
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}
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void get_device_formfactor(IMMDevice *device, EndpointFormFactor *formfactor)
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{
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IPropertyStore *ps;
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HRESULT hr = device->OpenPropertyStore(STGM_READ, &ps);
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if(FAILED(hr))
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{
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WARN("OpenPropertyStore failed: 0x%08lx\n", hr);
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return;
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}
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PropVariant pvform;
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hr = ps->GetValue(reinterpret_cast<const PROPERTYKEY&>(PKEY_AudioEndpoint_FormFactor), pvform.get());
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if(FAILED(hr))
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WARN("GetValue AudioEndpoint_FormFactor failed: 0x%08lx\n", hr);
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else if(pvform->vt == VT_UI4)
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*formfactor = static_cast<EndpointFormFactor>(pvform->ulVal);
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else if(pvform->vt == VT_EMPTY)
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*formfactor = UnknownFormFactor;
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else
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WARN("Unexpected PROPVARIANT type: 0x%04x\n", pvform->vt);
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ps->Release();
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}
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void add_device(IMMDevice *device, const WCHAR *devid, al::vector<DevMap> &list)
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{
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std::string basename, guidstr;
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std::tie(basename, guidstr) = get_device_name_and_guid(device);
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int count{1};
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std::string newname{basename};
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while(checkName(list, newname))
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{
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newname = basename;
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newname += " #";
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newname += std::to_string(++count);
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}
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list.emplace_back(std::move(newname), std::move(guidstr), devid);
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const DevMap &newentry = list.back();
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TRACE("Got device \"%s\", \"%s\", \"%ls\"\n", newentry.name.c_str(),
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newentry.endpoint_guid.c_str(), newentry.devid.c_str());
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}
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WCHAR *get_device_id(IMMDevice *device)
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{
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WCHAR *devid;
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HRESULT hr = device->GetId(&devid);
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if(FAILED(hr))
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{
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ERR("Failed to get device id: %lx\n", hr);
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return nullptr;
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}
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return devid;
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}
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HRESULT probe_devices(IMMDeviceEnumerator *devenum, EDataFlow flowdir, al::vector<DevMap> &list)
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{
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IMMDeviceCollection *coll;
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HRESULT hr = devenum->EnumAudioEndpoints(flowdir, DEVICE_STATE_ACTIVE, &coll);
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if(FAILED(hr))
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{
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ERR("Failed to enumerate audio endpoints: 0x%08lx\n", hr);
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return hr;
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}
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IMMDevice *defdev{nullptr};
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WCHAR *defdevid{nullptr};
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UINT count{0};
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hr = coll->GetCount(&count);
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if(SUCCEEDED(hr) && count > 0)
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{
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list.clear();
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list.reserve(count);
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hr = devenum->GetDefaultAudioEndpoint(flowdir, eMultimedia, &defdev);
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}
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if(SUCCEEDED(hr) && defdev != nullptr)
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{
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defdevid = get_device_id(defdev);
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if(defdevid)
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add_device(defdev, defdevid, list);
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}
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for(UINT i{0};i < count;++i)
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{
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IMMDevice *device;
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hr = coll->Item(i, &device);
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if(FAILED(hr)) continue;
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WCHAR *devid = get_device_id(device);
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if(devid)
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{
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if(wcscmp(devid, defdevid) != 0)
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add_device(device, devid, list);
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CoTaskMemFree(devid);
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}
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device->Release();
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}
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if(defdev) defdev->Release();
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if(defdevid) CoTaskMemFree(defdevid);
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coll->Release();
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return S_OK;
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}
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/* Proxy interface used by the message handler. */
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struct WasapiProxy {
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virtual HRESULT openProxy() = 0;
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virtual void closeProxy() = 0;
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virtual HRESULT resetProxy() = 0;
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virtual HRESULT startProxy() = 0;
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virtual void stopProxy() = 0;
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};
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DWORD CALLBACK WasapiProxy_messageHandler(void *ptr)
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{
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auto req = reinterpret_cast<ThreadRequest*>(ptr);
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TRACE("Starting message thread\n");
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HRESULT cohr = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
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if(FAILED(cohr))
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{
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WARN("Failed to initialize COM: 0x%08lx\n", cohr);
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ReturnMsgResponse(req, cohr);
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return 0;
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}
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HRESULT hr = CoCreateInstance(CLSID_MMDeviceEnumerator, nullptr, CLSCTX_INPROC_SERVER,
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IID_IMMDeviceEnumerator, &ptr);
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if(FAILED(hr))
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{
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WARN("Failed to create IMMDeviceEnumerator instance: 0x%08lx\n", hr);
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CoUninitialize();
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ReturnMsgResponse(req, hr);
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return 0;
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}
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auto Enumerator = reinterpret_cast<IMMDeviceEnumerator*>(ptr);
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Enumerator->Release();
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Enumerator = nullptr;
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CoUninitialize();
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/* HACK: Force Windows to create a message queue for this thread before
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* returning success, otherwise PostThreadMessage may fail if it gets
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* called before GetMessage.
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*/
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MSG msg;
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PeekMessage(&msg, nullptr, WM_USER, WM_USER, PM_NOREMOVE);
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TRACE("Message thread initialization complete\n");
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ReturnMsgResponse(req, S_OK);
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TRACE("Starting message loop\n");
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ALuint deviceCount{0};
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while(GetMessage(&msg, nullptr, WM_USER_First, WM_USER_Last))
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{
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TRACE("Got message \"%s\" (0x%04x, lparam=%p, wparam=%p)\n",
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(msg.message >= WM_USER && msg.message <= WM_USER_Last) ?
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MessageStr[msg.message-WM_USER] : "Unknown",
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msg.message, (void*)msg.lParam, (void*)msg.wParam
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);
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WasapiProxy *proxy{nullptr};
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switch(msg.message)
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{
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case WM_USER_OpenDevice:
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req = reinterpret_cast<ThreadRequest*>(msg.wParam);
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proxy = reinterpret_cast<WasapiProxy*>(msg.lParam);
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hr = cohr = S_OK;
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if(++deviceCount == 1)
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hr = cohr = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
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if(SUCCEEDED(hr))
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hr = proxy->openProxy();
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if(FAILED(hr))
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{
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if(--deviceCount == 0 && SUCCEEDED(cohr))
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CoUninitialize();
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}
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ReturnMsgResponse(req, hr);
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continue;
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case WM_USER_ResetDevice:
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req = reinterpret_cast<ThreadRequest*>(msg.wParam);
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proxy = reinterpret_cast<WasapiProxy*>(msg.lParam);
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hr = proxy->resetProxy();
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ReturnMsgResponse(req, hr);
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continue;
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case WM_USER_StartDevice:
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req = reinterpret_cast<ThreadRequest*>(msg.wParam);
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proxy = reinterpret_cast<WasapiProxy*>(msg.lParam);
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hr = proxy->startProxy();
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ReturnMsgResponse(req, hr);
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continue;
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case WM_USER_StopDevice:
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req = reinterpret_cast<ThreadRequest*>(msg.wParam);
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proxy = reinterpret_cast<WasapiProxy*>(msg.lParam);
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proxy->stopProxy();
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ReturnMsgResponse(req, S_OK);
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continue;
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case WM_USER_CloseDevice:
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req = reinterpret_cast<ThreadRequest*>(msg.wParam);
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proxy = reinterpret_cast<WasapiProxy*>(msg.lParam);
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proxy->closeProxy();
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if(--deviceCount == 0)
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CoUninitialize();
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ReturnMsgResponse(req, S_OK);
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continue;
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case WM_USER_Enumerate:
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req = reinterpret_cast<ThreadRequest*>(msg.wParam);
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hr = cohr = S_OK;
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if(++deviceCount == 1)
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hr = cohr = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
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if(SUCCEEDED(hr))
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hr = CoCreateInstance(CLSID_MMDeviceEnumerator, nullptr, CLSCTX_INPROC_SERVER, IID_IMMDeviceEnumerator, &ptr);
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if(SUCCEEDED(hr))
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{
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Enumerator = reinterpret_cast<IMMDeviceEnumerator*>(ptr);
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if(msg.lParam == ALL_DEVICE_PROBE)
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hr = probe_devices(Enumerator, eRender, PlaybackDevices);
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else if(msg.lParam == CAPTURE_DEVICE_PROBE)
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hr = probe_devices(Enumerator, eCapture, CaptureDevices);
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Enumerator->Release();
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Enumerator = nullptr;
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}
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if(--deviceCount == 0 && SUCCEEDED(cohr))
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CoUninitialize();
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ReturnMsgResponse(req, hr);
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continue;
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default:
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ERR("Unexpected message: %u\n", msg.message);
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continue;
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}
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}
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TRACE("Message loop finished\n");
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|
|
return 0;
|
|
}
|
|
|
|
|
|
struct ALCwasapiPlayback final : public ALCbackend, WasapiProxy {
|
|
HRESULT openProxy() override;
|
|
void closeProxy() override;
|
|
|
|
HRESULT resetProxy() override;
|
|
HRESULT startProxy() override;
|
|
void stopProxy() override;
|
|
|
|
std::wstring mDevId;
|
|
|
|
IMMDevice *mMMDev{nullptr};
|
|
IAudioClient *mClient{nullptr};
|
|
IAudioRenderClient *mRender{nullptr};
|
|
HANDLE mNotifyEvent{nullptr};
|
|
|
|
HANDLE mMsgEvent{nullptr};
|
|
|
|
std::atomic<UINT32> mPadding{0u};
|
|
|
|
std::atomic<ALenum> mKillNow{AL_TRUE};
|
|
std::thread mThread;
|
|
};
|
|
|
|
int ALCwasapiPlayback_mixerProc(ALCwasapiPlayback *self);
|
|
|
|
void ALCwasapiPlayback_Construct(ALCwasapiPlayback *self, ALCdevice *device);
|
|
void ALCwasapiPlayback_Destruct(ALCwasapiPlayback *self);
|
|
ALCenum ALCwasapiPlayback_open(ALCwasapiPlayback *self, const ALCchar *name);
|
|
ALCboolean ALCwasapiPlayback_reset(ALCwasapiPlayback *self);
|
|
ALCboolean ALCwasapiPlayback_start(ALCwasapiPlayback *self);
|
|
void ALCwasapiPlayback_stop(ALCwasapiPlayback *self);
|
|
DECLARE_FORWARD2(ALCwasapiPlayback, ALCbackend, ALCenum, captureSamples, ALCvoid*, ALCuint)
|
|
DECLARE_FORWARD(ALCwasapiPlayback, ALCbackend, ALCuint, availableSamples)
|
|
ClockLatency ALCwasapiPlayback_getClockLatency(ALCwasapiPlayback *self);
|
|
DECLARE_FORWARD(ALCwasapiPlayback, ALCbackend, void, lock)
|
|
DECLARE_FORWARD(ALCwasapiPlayback, ALCbackend, void, unlock)
|
|
DECLARE_DEFAULT_ALLOCATORS(ALCwasapiPlayback)
|
|
|
|
DEFINE_ALCBACKEND_VTABLE(ALCwasapiPlayback);
|
|
|
|
|
|
void ALCwasapiPlayback_Construct(ALCwasapiPlayback *self, ALCdevice *device)
|
|
{
|
|
new (self) ALCwasapiPlayback{};
|
|
SET_VTABLE2(ALCwasapiPlayback, ALCbackend, self);
|
|
ALCbackend_Construct(STATIC_CAST(ALCbackend, self), device);
|
|
}
|
|
|
|
void ALCwasapiPlayback_Destruct(ALCwasapiPlayback *self)
|
|
{
|
|
if(self->mMsgEvent)
|
|
{
|
|
ThreadRequest req = { self->mMsgEvent, 0 };
|
|
auto proxy = static_cast<WasapiProxy*>(self);
|
|
if(PostThreadMessage(ThreadID, WM_USER_CloseDevice, (WPARAM)&req, (LPARAM)proxy))
|
|
(void)WaitForResponse(&req);
|
|
|
|
CloseHandle(self->mMsgEvent);
|
|
self->mMsgEvent = nullptr;
|
|
}
|
|
|
|
if(self->mNotifyEvent != nullptr)
|
|
CloseHandle(self->mNotifyEvent);
|
|
self->mNotifyEvent = nullptr;
|
|
if(self->mMsgEvent != nullptr)
|
|
CloseHandle(self->mMsgEvent);
|
|
self->mMsgEvent = nullptr;
|
|
|
|
ALCbackend_Destruct(STATIC_CAST(ALCbackend, self));
|
|
self->~ALCwasapiPlayback();
|
|
}
|
|
|
|
|
|
FORCE_ALIGN int ALCwasapiPlayback_mixerProc(ALCwasapiPlayback *self)
|
|
{
|
|
ALCdevice *device{STATIC_CAST(ALCbackend, self)->mDevice};
|
|
IAudioClient *client{self->mClient};
|
|
IAudioRenderClient *render{self->mRender};
|
|
|
|
HRESULT hr = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
|
|
if(FAILED(hr))
|
|
{
|
|
ERR("CoInitializeEx(nullptr, COINIT_MULTITHREADED) failed: 0x%08lx\n", hr);
|
|
ALCwasapiPlayback_lock(self);
|
|
aluHandleDisconnect(device, "COM init failed: 0x%08lx", hr);
|
|
ALCwasapiPlayback_unlock(self);
|
|
return 1;
|
|
}
|
|
|
|
SetRTPriority();
|
|
althrd_setname(MIXER_THREAD_NAME);
|
|
|
|
ALuint update_size{device->UpdateSize};
|
|
UINT32 buffer_len{update_size * device->NumUpdates};
|
|
while(!self->mKillNow.load(std::memory_order_relaxed))
|
|
{
|
|
UINT32 written;
|
|
hr = client->GetCurrentPadding(&written);
|
|
if(FAILED(hr))
|
|
{
|
|
ERR("Failed to get padding: 0x%08lx\n", hr);
|
|
ALCwasapiPlayback_lock(self);
|
|
aluHandleDisconnect(device, "Failed to retrieve buffer padding: 0x%08lx", hr);
|
|
ALCwasapiPlayback_unlock(self);
|
|
break;
|
|
}
|
|
self->mPadding.store(written, std::memory_order_relaxed);
|
|
|
|
ALuint len{buffer_len - written};
|
|
if(len < update_size)
|
|
{
|
|
DWORD res;
|
|
res = WaitForSingleObjectEx(self->mNotifyEvent, 2000, FALSE);
|
|
if(res != WAIT_OBJECT_0)
|
|
ERR("WaitForSingleObjectEx error: 0x%lx\n", res);
|
|
continue;
|
|
}
|
|
len -= len%update_size;
|
|
|
|
BYTE *buffer;
|
|
hr = render->GetBuffer(len, &buffer);
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
ALCwasapiPlayback_lock(self);
|
|
aluMixData(device, buffer, len);
|
|
self->mPadding.store(written + len, std::memory_order_relaxed);
|
|
ALCwasapiPlayback_unlock(self);
|
|
hr = render->ReleaseBuffer(len, 0);
|
|
}
|
|
if(FAILED(hr))
|
|
{
|
|
ERR("Failed to buffer data: 0x%08lx\n", hr);
|
|
ALCwasapiPlayback_lock(self);
|
|
aluHandleDisconnect(device, "Failed to send playback samples: 0x%08lx", hr);
|
|
ALCwasapiPlayback_unlock(self);
|
|
break;
|
|
}
|
|
}
|
|
self->mPadding.store(0u, std::memory_order_release);
|
|
|
|
CoUninitialize();
|
|
return 0;
|
|
}
|
|
|
|
|
|
ALCboolean MakeExtensible(WAVEFORMATEXTENSIBLE *out, const WAVEFORMATEX *in)
|
|
{
|
|
*out = WAVEFORMATEXTENSIBLE{};
|
|
if(in->wFormatTag == WAVE_FORMAT_EXTENSIBLE)
|
|
*out = *(const WAVEFORMATEXTENSIBLE*)in;
|
|
else if(in->wFormatTag == WAVE_FORMAT_PCM)
|
|
{
|
|
out->Format = *in;
|
|
out->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
|
|
out->Format.cbSize = sizeof(*out) - sizeof(*in);
|
|
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.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
|
|
out->Format.cbSize = sizeof(*out) - sizeof(*in);
|
|
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 ALC_FALSE;
|
|
}
|
|
return ALC_TRUE;
|
|
}
|
|
|
|
ALCenum ALCwasapiPlayback_open(ALCwasapiPlayback *self, const ALCchar *deviceName)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
self->mNotifyEvent = CreateEventW(nullptr, FALSE, FALSE, nullptr);
|
|
self->mMsgEvent = CreateEventW(nullptr, FALSE, FALSE, nullptr);
|
|
if(self->mNotifyEvent == nullptr || self->mMsgEvent == nullptr)
|
|
{
|
|
ERR("Failed to create message events: %lu\n", GetLastError());
|
|
hr = E_FAIL;
|
|
}
|
|
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
if(deviceName)
|
|
{
|
|
if(PlaybackDevices.empty())
|
|
{
|
|
ThreadRequest req = { self->mMsgEvent, 0 };
|
|
if(PostThreadMessage(ThreadID, WM_USER_Enumerate, (WPARAM)&req, ALL_DEVICE_PROBE))
|
|
(void)WaitForResponse(&req);
|
|
}
|
|
|
|
hr = E_FAIL;
|
|
auto iter = std::find_if(PlaybackDevices.cbegin(), PlaybackDevices.cend(),
|
|
[deviceName](const DevMap &entry) -> bool
|
|
{ return entry.name == deviceName || entry.endpoint_guid == deviceName; }
|
|
);
|
|
if(iter == PlaybackDevices.cend())
|
|
{
|
|
std::wstring wname{utf8_to_wstr(deviceName)};
|
|
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", deviceName);
|
|
else
|
|
{
|
|
ALCdevice *device = STATIC_CAST(ALCbackend,self)->mDevice;
|
|
self->mDevId = iter->devid;
|
|
device->DeviceName = iter->name;
|
|
hr = S_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
ThreadRequest req{ self->mMsgEvent, 0 };
|
|
auto proxy = static_cast<WasapiProxy*>(self);
|
|
|
|
hr = E_FAIL;
|
|
if(PostThreadMessage(ThreadID, WM_USER_OpenDevice, (WPARAM)&req, (LPARAM)proxy))
|
|
hr = WaitForResponse(&req);
|
|
else
|
|
ERR("Failed to post thread message: %lu\n", GetLastError());
|
|
}
|
|
|
|
if(FAILED(hr))
|
|
{
|
|
if(self->mNotifyEvent != nullptr)
|
|
CloseHandle(self->mNotifyEvent);
|
|
self->mNotifyEvent = nullptr;
|
|
if(self->mMsgEvent != nullptr)
|
|
CloseHandle(self->mMsgEvent);
|
|
self->mMsgEvent = nullptr;
|
|
|
|
self->mDevId.clear();
|
|
|
|
ERR("Device init failed: 0x%08lx\n", hr);
|
|
return ALC_INVALID_VALUE;
|
|
}
|
|
|
|
return ALC_NO_ERROR;
|
|
}
|
|
|
|
HRESULT ALCwasapiPlayback::openProxy()
|
|
{
|
|
ALCdevice *device = STATIC_CAST(ALCbackend, this)->mDevice;
|
|
|
|
void *ptr;
|
|
HRESULT hr = CoCreateInstance(CLSID_MMDeviceEnumerator, nullptr, CLSCTX_INPROC_SERVER, IID_IMMDeviceEnumerator, &ptr);
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
auto Enumerator = reinterpret_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 = reinterpret_cast<IAudioClient*>(ptr);
|
|
if(device->DeviceName.empty())
|
|
device->DeviceName = get_device_name_and_guid(mMMDev).first;
|
|
}
|
|
|
|
if(FAILED(hr))
|
|
{
|
|
if(mMMDev)
|
|
mMMDev->Release();
|
|
mMMDev = nullptr;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
void ALCwasapiPlayback::closeProxy()
|
|
{
|
|
if(mClient)
|
|
mClient->Release();
|
|
mClient = nullptr;
|
|
|
|
if(mMMDev)
|
|
mMMDev->Release();
|
|
mMMDev = nullptr;
|
|
}
|
|
|
|
|
|
ALCboolean ALCwasapiPlayback_reset(ALCwasapiPlayback *self)
|
|
{
|
|
ThreadRequest req{ self->mMsgEvent, 0 };
|
|
HRESULT hr{E_FAIL};
|
|
|
|
auto proxy = static_cast<WasapiProxy*>(self);
|
|
if(PostThreadMessage(ThreadID, WM_USER_ResetDevice, (WPARAM)&req, (LPARAM)proxy))
|
|
hr = WaitForResponse(&req);
|
|
|
|
return SUCCEEDED(hr) ? ALC_TRUE : ALC_FALSE;
|
|
}
|
|
|
|
HRESULT ALCwasapiPlayback::resetProxy()
|
|
{
|
|
ALCdevice *device{STATIC_CAST(ALCbackend, this)->mDevice};
|
|
|
|
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 = reinterpret_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;
|
|
|
|
REFERENCE_TIME buf_time{ScaleCeil(device->UpdateSize*device->NumUpdates, REFTIME_PER_SEC,
|
|
device->Frequency)};
|
|
|
|
if(!(device->Flags&DEVICE_FREQUENCY_REQUEST))
|
|
device->Frequency = OutputType.Format.nSamplesPerSec;
|
|
if(!(device->Flags&DEVICE_CHANNELS_REQUEST))
|
|
{
|
|
if(OutputType.Format.nChannels == 1 && OutputType.dwChannelMask == MONO)
|
|
device->FmtChans = DevFmtMono;
|
|
else if(OutputType.Format.nChannels == 2 && OutputType.dwChannelMask == STEREO)
|
|
device->FmtChans = DevFmtStereo;
|
|
else if(OutputType.Format.nChannels == 4 && OutputType.dwChannelMask == QUAD)
|
|
device->FmtChans = DevFmtQuad;
|
|
else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1)
|
|
device->FmtChans = DevFmtX51;
|
|
else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1REAR)
|
|
device->FmtChans = DevFmtX51Rear;
|
|
else if(OutputType.Format.nChannels == 7 && OutputType.dwChannelMask == X6DOT1)
|
|
device->FmtChans = DevFmtX61;
|
|
else if(OutputType.Format.nChannels == 8 && (OutputType.dwChannelMask == X7DOT1 || OutputType.dwChannelMask == X7DOT1_WIDE))
|
|
device->FmtChans = DevFmtX71;
|
|
else
|
|
ERR("Unhandled channel config: %d -- 0x%08lx\n", OutputType.Format.nChannels, OutputType.dwChannelMask);
|
|
}
|
|
|
|
switch(device->FmtChans)
|
|
{
|
|
case DevFmtMono:
|
|
OutputType.Format.nChannels = 1;
|
|
OutputType.dwChannelMask = MONO;
|
|
break;
|
|
case DevFmtAmbi3D:
|
|
device->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(device->FmtType)
|
|
{
|
|
case DevFmtByte:
|
|
device->FmtType = DevFmtUByte;
|
|
/* fall-through */
|
|
case DevFmtUByte:
|
|
OutputType.Format.wBitsPerSample = 8;
|
|
OutputType.Samples.wValidBitsPerSample = 8;
|
|
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
|
|
break;
|
|
case DevFmtUShort:
|
|
device->FmtType = DevFmtShort;
|
|
/* fall-through */
|
|
case DevFmtShort:
|
|
OutputType.Format.wBitsPerSample = 16;
|
|
OutputType.Samples.wValidBitsPerSample = 16;
|
|
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
|
|
break;
|
|
case DevFmtUInt:
|
|
device->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 = device->Frequency;
|
|
|
|
OutputType.Format.nBlockAlign = OutputType.Format.nChannels *
|
|
OutputType.Format.wBitsPerSample / 8;
|
|
OutputType.Format.nAvgBytesPerSec = OutputType.Format.nSamplesPerSec *
|
|
OutputType.Format.nBlockAlign;
|
|
|
|
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)
|
|
{
|
|
if(!MakeExtensible(&OutputType, wfx))
|
|
{
|
|
CoTaskMemFree(wfx);
|
|
return E_FAIL;
|
|
}
|
|
CoTaskMemFree(wfx);
|
|
wfx = nullptr;
|
|
|
|
device->Frequency = OutputType.Format.nSamplesPerSec;
|
|
if(OutputType.Format.nChannels == 1 && OutputType.dwChannelMask == MONO)
|
|
device->FmtChans = DevFmtMono;
|
|
else if(OutputType.Format.nChannels == 2 && OutputType.dwChannelMask == STEREO)
|
|
device->FmtChans = DevFmtStereo;
|
|
else if(OutputType.Format.nChannels == 4 && OutputType.dwChannelMask == QUAD)
|
|
device->FmtChans = DevFmtQuad;
|
|
else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1)
|
|
device->FmtChans = DevFmtX51;
|
|
else if(OutputType.Format.nChannels == 6 && OutputType.dwChannelMask == X5DOT1REAR)
|
|
device->FmtChans = DevFmtX51Rear;
|
|
else if(OutputType.Format.nChannels == 7 && OutputType.dwChannelMask == X6DOT1)
|
|
device->FmtChans = DevFmtX61;
|
|
else if(OutputType.Format.nChannels == 8 && (OutputType.dwChannelMask == X7DOT1 || OutputType.dwChannelMask == X7DOT1_WIDE))
|
|
device->FmtChans = DevFmtX71;
|
|
else
|
|
{
|
|
ERR("Unhandled extensible channels: %d -- 0x%08lx\n", OutputType.Format.nChannels, OutputType.dwChannelMask);
|
|
device->FmtChans = DevFmtStereo;
|
|
OutputType.Format.nChannels = 2;
|
|
OutputType.dwChannelMask = STEREO;
|
|
}
|
|
|
|
if(IsEqualGUID(OutputType.SubFormat, KSDATAFORMAT_SUBTYPE_PCM))
|
|
{
|
|
if(OutputType.Format.wBitsPerSample == 8)
|
|
device->FmtType = DevFmtUByte;
|
|
else if(OutputType.Format.wBitsPerSample == 16)
|
|
device->FmtType = DevFmtShort;
|
|
else if(OutputType.Format.wBitsPerSample == 32)
|
|
device->FmtType = DevFmtInt;
|
|
else
|
|
{
|
|
device->FmtType = DevFmtShort;
|
|
OutputType.Format.wBitsPerSample = 16;
|
|
}
|
|
}
|
|
else if(IsEqualGUID(OutputType.SubFormat, KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))
|
|
{
|
|
device->FmtType = DevFmtFloat;
|
|
OutputType.Format.wBitsPerSample = 32;
|
|
}
|
|
else
|
|
{
|
|
ERR("Unhandled format sub-type\n");
|
|
device->FmtType = DevFmtShort;
|
|
OutputType.Format.wBitsPerSample = 16;
|
|
OutputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM;
|
|
}
|
|
OutputType.Samples.wValidBitsPerSample = OutputType.Format.wBitsPerSample;
|
|
}
|
|
|
|
EndpointFormFactor formfactor = UnknownFormFactor;
|
|
get_device_formfactor(mMMDev, &formfactor);
|
|
device->IsHeadphones = (device->FmtChans == DevFmtStereo &&
|
|
(formfactor == Headphones || formfactor == Headset)
|
|
);
|
|
|
|
SetDefaultWFXChannelOrder(device);
|
|
|
|
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))
|
|
{
|
|
min_len = (UINT32)ScaleCeil(min_per, device->Frequency, REFTIME_PER_SEC);
|
|
/* Find the nearest multiple of the period size to the update size */
|
|
if(min_len < device->UpdateSize)
|
|
min_len *= maxu((device->UpdateSize + min_len/2) / min_len, 1u);
|
|
hr = mClient->GetBufferSize(&buffer_len);
|
|
}
|
|
if(FAILED(hr))
|
|
{
|
|
ERR("Failed to get audio buffer info: 0x%08lx\n", hr);
|
|
return hr;
|
|
}
|
|
|
|
device->UpdateSize = min_len;
|
|
device->NumUpdates = buffer_len / device->UpdateSize;
|
|
if(device->NumUpdates <= 1)
|
|
{
|
|
ERR("Audio client returned buffer_len < period*2; expect break up\n");
|
|
device->NumUpdates = 2;
|
|
device->UpdateSize = buffer_len / device->NumUpdates;
|
|
}
|
|
|
|
hr = mClient->SetEventHandle(mNotifyEvent);
|
|
if(FAILED(hr))
|
|
{
|
|
ERR("Failed to set event handle: 0x%08lx\n", hr);
|
|
return hr;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
ALCboolean ALCwasapiPlayback_start(ALCwasapiPlayback *self)
|
|
{
|
|
ThreadRequest req{ self->mMsgEvent, 0 };
|
|
HRESULT hr{E_FAIL};
|
|
|
|
auto proxy = static_cast<WasapiProxy*>(self);
|
|
if(PostThreadMessage(ThreadID, WM_USER_StartDevice, (WPARAM)&req, (LPARAM)proxy))
|
|
hr = WaitForResponse(&req);
|
|
|
|
return SUCCEEDED(hr) ? ALC_TRUE : ALC_FALSE;
|
|
}
|
|
|
|
HRESULT ALCwasapiPlayback::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 = reinterpret_cast<IAudioRenderClient*>(ptr);
|
|
try {
|
|
mKillNow.store(AL_FALSE, std::memory_order_release);
|
|
mThread = std::thread(ALCwasapiPlayback_mixerProc, this);
|
|
}
|
|
catch(...) {
|
|
mRender->Release();
|
|
mRender = nullptr;
|
|
ERR("Failed to start thread\n");
|
|
hr = E_FAIL;
|
|
}
|
|
}
|
|
|
|
if(FAILED(hr))
|
|
mClient->Stop();
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
void ALCwasapiPlayback_stop(ALCwasapiPlayback *self)
|
|
{
|
|
ThreadRequest req{ self->mMsgEvent, 0 };
|
|
auto proxy = static_cast<WasapiProxy*>(self);
|
|
if(PostThreadMessage(ThreadID, WM_USER_StopDevice, (WPARAM)&req, (LPARAM)proxy))
|
|
(void)WaitForResponse(&req);
|
|
}
|
|
|
|
void ALCwasapiPlayback::stopProxy()
|
|
{
|
|
if(!mRender || !mThread.joinable())
|
|
return;
|
|
|
|
mKillNow.store(AL_TRUE);
|
|
mThread.join();
|
|
|
|
mRender->Release();
|
|
mRender = nullptr;
|
|
mClient->Stop();
|
|
}
|
|
|
|
|
|
ClockLatency ALCwasapiPlayback_getClockLatency(ALCwasapiPlayback *self)
|
|
{
|
|
ClockLatency ret;
|
|
|
|
ALCwasapiPlayback_lock(self);
|
|
ALCdevice *device{STATIC_CAST(ALCbackend, self)->mDevice};
|
|
ret.ClockTime = GetDeviceClockTime(device);
|
|
ret.Latency = std::chrono::seconds{self->mPadding.load(std::memory_order_relaxed)};
|
|
ret.Latency /= device->Frequency;
|
|
ALCwasapiPlayback_unlock(self);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
struct ALCwasapiCapture final : public ALCbackend, WasapiProxy {
|
|
HRESULT openProxy() override;
|
|
void closeProxy() override;
|
|
|
|
HRESULT resetProxy() override;
|
|
HRESULT startProxy() override;
|
|
void stopProxy() override;
|
|
|
|
std::wstring mDevId;
|
|
|
|
IMMDevice *mMMDev{nullptr};
|
|
IAudioClient *mClient{nullptr};
|
|
IAudioCaptureClient *mCapture{nullptr};
|
|
HANDLE mNotifyEvent{nullptr};
|
|
|
|
HANDLE mMsgEvent{nullptr};
|
|
|
|
ChannelConverterPtr mChannelConv;
|
|
SampleConverterPtr mSampleConv;
|
|
RingBufferPtr mRing;
|
|
|
|
std::atomic<int> mKillNow{AL_TRUE};
|
|
std::thread mThread;
|
|
};
|
|
|
|
int ALCwasapiCapture_recordProc(ALCwasapiCapture *self);
|
|
|
|
void ALCwasapiCapture_Construct(ALCwasapiCapture *self, ALCdevice *device);
|
|
void ALCwasapiCapture_Destruct(ALCwasapiCapture *self);
|
|
ALCenum ALCwasapiCapture_open(ALCwasapiCapture *self, const ALCchar *name);
|
|
DECLARE_FORWARD(ALCwasapiCapture, ALCbackend, ALCboolean, reset)
|
|
ALCboolean ALCwasapiCapture_start(ALCwasapiCapture *self);
|
|
void ALCwasapiCapture_stop(ALCwasapiCapture *self);
|
|
ALCenum ALCwasapiCapture_captureSamples(ALCwasapiCapture *self, ALCvoid *buffer, ALCuint samples);
|
|
ALuint ALCwasapiCapture_availableSamples(ALCwasapiCapture *self);
|
|
DECLARE_FORWARD(ALCwasapiCapture, ALCbackend, ClockLatency, getClockLatency)
|
|
DECLARE_FORWARD(ALCwasapiCapture, ALCbackend, void, lock)
|
|
DECLARE_FORWARD(ALCwasapiCapture, ALCbackend, void, unlock)
|
|
DECLARE_DEFAULT_ALLOCATORS(ALCwasapiCapture)
|
|
|
|
DEFINE_ALCBACKEND_VTABLE(ALCwasapiCapture);
|
|
|
|
|
|
void ALCwasapiCapture_Construct(ALCwasapiCapture *self, ALCdevice *device)
|
|
{
|
|
new (self) ALCwasapiCapture{};
|
|
SET_VTABLE2(ALCwasapiCapture, ALCbackend, self);
|
|
ALCbackend_Construct(STATIC_CAST(ALCbackend, self), device);
|
|
}
|
|
|
|
void ALCwasapiCapture_Destruct(ALCwasapiCapture *self)
|
|
{
|
|
if(self->mMsgEvent)
|
|
{
|
|
ThreadRequest req{ self->mMsgEvent, 0 };
|
|
auto proxy = static_cast<WasapiProxy*>(self);
|
|
if(PostThreadMessage(ThreadID, WM_USER_CloseDevice, (WPARAM)&req, (LPARAM)proxy))
|
|
(void)WaitForResponse(&req);
|
|
|
|
CloseHandle(self->mMsgEvent);
|
|
self->mMsgEvent = nullptr;
|
|
}
|
|
|
|
if(self->mNotifyEvent != nullptr)
|
|
CloseHandle(self->mNotifyEvent);
|
|
self->mNotifyEvent = nullptr;
|
|
|
|
ALCbackend_Destruct(STATIC_CAST(ALCbackend, self));
|
|
self->~ALCwasapiCapture();
|
|
}
|
|
|
|
|
|
FORCE_ALIGN int ALCwasapiCapture_recordProc(ALCwasapiCapture *self)
|
|
{
|
|
ALCdevice *device{self->mDevice};
|
|
RingBuffer *ring{self->mRing.get()};
|
|
IAudioCaptureClient *capture{self->mCapture};
|
|
|
|
HRESULT hr = CoInitializeEx(nullptr, COINIT_MULTITHREADED);
|
|
if(FAILED(hr))
|
|
{
|
|
ERR("CoInitializeEx(nullptr, COINIT_MULTITHREADED) failed: 0x%08lx\n", hr);
|
|
ALCwasapiCapture_lock(self);
|
|
aluHandleDisconnect(device, "COM init failed: 0x%08lx", hr);
|
|
ALCwasapiCapture_unlock(self);
|
|
return 1;
|
|
}
|
|
|
|
althrd_setname(RECORD_THREAD_NAME);
|
|
|
|
al::vector<float> samples;
|
|
while(!self->mKillNow.load(std::memory_order_relaxed))
|
|
{
|
|
UINT32 avail;
|
|
DWORD res;
|
|
|
|
hr = capture->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 = capture->GetBuffer(&rdata, &numsamples, &flags, nullptr, nullptr);
|
|
if(FAILED(hr))
|
|
ERR("Failed to get capture buffer: 0x%08lx\n", hr);
|
|
else
|
|
{
|
|
if(ChannelConverter *conv{self->mChannelConv.get()})
|
|
{
|
|
samples.resize(numsamples*2);
|
|
ChannelConverterInput(conv, rdata, samples.data(), numsamples);
|
|
rdata = reinterpret_cast<BYTE*>(samples.data());
|
|
}
|
|
|
|
auto data = ring->getWriteVector();
|
|
|
|
size_t dstframes;
|
|
if(SampleConverter *conv{self->mSampleConv.get()})
|
|
{
|
|
const ALvoid *srcdata = rdata;
|
|
ALsizei srcframes = numsamples;
|
|
|
|
dstframes = SampleConverterInput(conv, &srcdata, &srcframes, data.first.buf,
|
|
(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 += SampleConverterInput(conv, &srcdata, &srcframes,
|
|
data.second.buf, (ALsizei)minz(data.second.len, INT_MAX));
|
|
}
|
|
}
|
|
else
|
|
{
|
|
const auto framesize = static_cast<ALuint>(device->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;
|
|
}
|
|
|
|
ring->writeAdvance(dstframes);
|
|
|
|
hr = capture->ReleaseBuffer(numsamples);
|
|
if(FAILED(hr)) ERR("Failed to release capture buffer: 0x%08lx\n", hr);
|
|
}
|
|
}
|
|
|
|
if(FAILED(hr))
|
|
{
|
|
ALCwasapiCapture_lock(self);
|
|
aluHandleDisconnect(device, "Failed to capture samples: 0x%08lx", hr);
|
|
ALCwasapiCapture_unlock(self);
|
|
break;
|
|
}
|
|
|
|
res = WaitForSingleObjectEx(self->mNotifyEvent, 2000, FALSE);
|
|
if(res != WAIT_OBJECT_0)
|
|
ERR("WaitForSingleObjectEx error: 0x%lx\n", res);
|
|
}
|
|
|
|
CoUninitialize();
|
|
return 0;
|
|
}
|
|
|
|
|
|
ALCenum ALCwasapiCapture_open(ALCwasapiCapture *self, const ALCchar *deviceName)
|
|
{
|
|
HRESULT hr{S_OK};
|
|
|
|
self->mNotifyEvent = CreateEventW(nullptr, FALSE, FALSE, nullptr);
|
|
self->mMsgEvent = CreateEventW(nullptr, FALSE, FALSE, nullptr);
|
|
if(self->mNotifyEvent == nullptr || self->mMsgEvent == nullptr)
|
|
{
|
|
ERR("Failed to create message events: %lu\n", GetLastError());
|
|
hr = E_FAIL;
|
|
}
|
|
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
if(deviceName)
|
|
{
|
|
if(CaptureDevices.empty())
|
|
{
|
|
ThreadRequest req{ self->mMsgEvent, 0 };
|
|
if(PostThreadMessage(ThreadID, WM_USER_Enumerate, (WPARAM)&req, CAPTURE_DEVICE_PROBE))
|
|
(void)WaitForResponse(&req);
|
|
}
|
|
|
|
hr = E_FAIL;
|
|
auto iter = std::find_if(CaptureDevices.cbegin(), CaptureDevices.cend(),
|
|
[deviceName](const DevMap &entry) -> bool
|
|
{ return entry.name == deviceName || entry.endpoint_guid == deviceName; }
|
|
);
|
|
if(iter == CaptureDevices.cend())
|
|
{
|
|
std::wstring wname{utf8_to_wstr(deviceName)};
|
|
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", deviceName);
|
|
else
|
|
{
|
|
ALCdevice *device = STATIC_CAST(ALCbackend,self)->mDevice;
|
|
self->mDevId = iter->devid;
|
|
device->DeviceName = iter->name;
|
|
hr = S_OK;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
ThreadRequest req{ self->mMsgEvent, 0 };
|
|
|
|
hr = E_FAIL;
|
|
auto proxy = static_cast<WasapiProxy*>(self);
|
|
if(PostThreadMessage(ThreadID, WM_USER_OpenDevice, (WPARAM)&req, (LPARAM)proxy))
|
|
hr = WaitForResponse(&req);
|
|
else
|
|
ERR("Failed to post thread message: %lu\n", GetLastError());
|
|
}
|
|
|
|
if(FAILED(hr))
|
|
{
|
|
if(self->mNotifyEvent != nullptr)
|
|
CloseHandle(self->mNotifyEvent);
|
|
self->mNotifyEvent = nullptr;
|
|
if(self->mMsgEvent != nullptr)
|
|
CloseHandle(self->mMsgEvent);
|
|
self->mMsgEvent = nullptr;
|
|
|
|
self->mDevId.clear();
|
|
|
|
ERR("Device init failed: 0x%08lx\n", hr);
|
|
return ALC_INVALID_VALUE;
|
|
}
|
|
else
|
|
{
|
|
ThreadRequest req{ self->mMsgEvent, 0 };
|
|
|
|
hr = E_FAIL;
|
|
auto proxy = static_cast<WasapiProxy*>(self);
|
|
if(PostThreadMessage(ThreadID, WM_USER_ResetDevice, (WPARAM)&req, (LPARAM)proxy))
|
|
hr = WaitForResponse(&req);
|
|
else
|
|
ERR("Failed to post thread message: %lu\n", GetLastError());
|
|
|
|
if(FAILED(hr))
|
|
{
|
|
if(hr == E_OUTOFMEMORY)
|
|
return ALC_OUT_OF_MEMORY;
|
|
return ALC_INVALID_VALUE;
|
|
}
|
|
}
|
|
|
|
return ALC_NO_ERROR;
|
|
}
|
|
|
|
HRESULT ALCwasapiCapture::openProxy()
|
|
{
|
|
ALCdevice *device{STATIC_CAST(ALCbackend, this)->mDevice};
|
|
|
|
void *ptr;
|
|
HRESULT hr = CoCreateInstance(CLSID_MMDeviceEnumerator, nullptr, CLSCTX_INPROC_SERVER,
|
|
IID_IMMDeviceEnumerator, &ptr);
|
|
if(SUCCEEDED(hr))
|
|
{
|
|
auto Enumerator = reinterpret_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 = reinterpret_cast<IAudioClient*>(ptr);
|
|
if(device->DeviceName.empty())
|
|
device->DeviceName = get_device_name_and_guid(mMMDev).first;
|
|
}
|
|
|
|
if(FAILED(hr))
|
|
{
|
|
if(mMMDev)
|
|
mMMDev->Release();
|
|
mMMDev = nullptr;
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
void ALCwasapiCapture::closeProxy()
|
|
{
|
|
if(mClient)
|
|
mClient->Release();
|
|
mClient = nullptr;
|
|
|
|
if(mMMDev)
|
|
mMMDev->Release();
|
|
mMMDev = nullptr;
|
|
}
|
|
|
|
HRESULT ALCwasapiCapture::resetProxy()
|
|
{
|
|
ALCdevice *device{STATIC_CAST(ALCbackend, this)->mDevice};
|
|
|
|
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 = reinterpret_cast<IAudioClient*>(ptr);
|
|
|
|
REFERENCE_TIME buf_time{ScaleCeil(device->UpdateSize*device->NumUpdates, REFTIME_PER_SEC,
|
|
device->Frequency)};
|
|
// Make sure buffer is at least 100ms in size
|
|
buf_time = maxu64(buf_time, REFTIME_PER_SEC/10);
|
|
device->UpdateSize = (ALuint)ScaleCeil(buf_time, device->Frequency, REFTIME_PER_SEC) /
|
|
device->NumUpdates;
|
|
|
|
WAVEFORMATEXTENSIBLE OutputType;
|
|
OutputType.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
|
|
switch(device->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(device->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 = device->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);
|
|
|
|
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)
|
|
{
|
|
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(device->FmtChans), DevFmtTypeString(device->FmtType),
|
|
device->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(device->FmtChans == DevFmtMono && OutputType.Format.nChannels == 2)
|
|
{
|
|
mChannelConv = CreateChannelConverter(srcType, DevFmtStereo, device->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(device->FmtChans == DevFmtStereo && OutputType.Format.nChannels == 1)
|
|
{
|
|
mChannelConv = CreateChannelConverter(srcType, DevFmtMono, device->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(device->Frequency != OutputType.Format.nSamplesPerSec || device->FmtType != srcType)
|
|
{
|
|
mSampleConv = CreateSampleConverter(
|
|
srcType, device->FmtType, device->channelsFromFmt(), OutputType.Format.nSamplesPerSec,
|
|
device->Frequency, BSinc24Resampler
|
|
);
|
|
if(!mSampleConv)
|
|
{
|
|
ERR("Failed to create converter for %s format, dst: %s %uhz, src: %s %luhz\n",
|
|
DevFmtChannelsString(device->FmtChans), DevFmtTypeString(device->FmtType),
|
|
device->Frequency, DevFmtTypeString(srcType), OutputType.Format.nSamplesPerSec);
|
|
return E_FAIL;
|
|
}
|
|
TRACE("Created converter for %s format, dst: %s %uhz, src: %s %luhz\n",
|
|
DevFmtChannelsString(device->FmtChans), DevFmtTypeString(device->FmtType),
|
|
device->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;
|
|
hr = mClient->GetBufferSize(&buffer_len);
|
|
if(FAILED(hr))
|
|
{
|
|
ERR("Failed to get buffer size: 0x%08lx\n", hr);
|
|
return hr;
|
|
}
|
|
|
|
buffer_len = maxu(device->UpdateSize*device->NumUpdates, buffer_len);
|
|
mRing = CreateRingBuffer(buffer_len, device->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 ALCwasapiCapture_start(ALCwasapiCapture *self)
|
|
{
|
|
ThreadRequest req{ self->mMsgEvent, 0 };
|
|
HRESULT hr{E_FAIL};
|
|
|
|
auto proxy = static_cast<WasapiProxy*>(self);
|
|
if(PostThreadMessage(ThreadID, WM_USER_StartDevice, (WPARAM)&req, (LPARAM)proxy))
|
|
hr = WaitForResponse(&req);
|
|
|
|
return SUCCEEDED(hr) ? ALC_TRUE : ALC_FALSE;
|
|
}
|
|
|
|
HRESULT ALCwasapiCapture::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 = reinterpret_cast<IAudioCaptureClient*>(ptr);
|
|
try {
|
|
mKillNow.store(AL_FALSE, std::memory_order_release);
|
|
mThread = std::thread(ALCwasapiCapture_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 ALCwasapiCapture_stop(ALCwasapiCapture *self)
|
|
{
|
|
ThreadRequest req{ self->mMsgEvent, 0 };
|
|
auto proxy = static_cast<WasapiProxy*>(self);
|
|
if(PostThreadMessage(ThreadID, WM_USER_StopDevice, (WPARAM)&req, (LPARAM)proxy))
|
|
(void)WaitForResponse(&req);
|
|
}
|
|
|
|
void ALCwasapiCapture::stopProxy()
|
|
{
|
|
if(!mCapture || !mThread.joinable())
|
|
return;
|
|
|
|
mKillNow.store(AL_TRUE);
|
|
mThread.join();
|
|
|
|
mCapture->Release();
|
|
mCapture = nullptr;
|
|
mClient->Stop();
|
|
mClient->Reset();
|
|
}
|
|
|
|
|
|
ALuint ALCwasapiCapture_availableSamples(ALCwasapiCapture *self)
|
|
{
|
|
RingBuffer *ring{self->mRing.get()};
|
|
return (ALuint)ring->readSpace();
|
|
}
|
|
|
|
ALCenum ALCwasapiCapture_captureSamples(ALCwasapiCapture *self, ALCvoid *buffer, ALCuint samples)
|
|
{
|
|
RingBuffer *ring{self->mRing.get()};
|
|
ring->read(buffer, samples);
|
|
return ALC_NO_ERROR;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
|
|
bool WasapiBackendFactory::init()
|
|
{
|
|
static HRESULT InitResult;
|
|
|
|
if(!ThreadHdl)
|
|
{
|
|
ThreadRequest req;
|
|
InitResult = E_FAIL;
|
|
|
|
req.FinishedEvt = CreateEventW(nullptr, FALSE, FALSE, nullptr);
|
|
if(req.FinishedEvt == nullptr)
|
|
ERR("Failed to create event: %lu\n", GetLastError());
|
|
else
|
|
{
|
|
ThreadHdl = CreateThread(nullptr, 0, WasapiProxy_messageHandler, &req, 0, &ThreadID);
|
|
if(ThreadHdl != nullptr)
|
|
InitResult = WaitForResponse(&req);
|
|
CloseHandle(req.FinishedEvt);
|
|
}
|
|
}
|
|
|
|
return SUCCEEDED(InitResult) ? ALC_TRUE : ALC_FALSE;
|
|
}
|
|
|
|
void WasapiBackendFactory::deinit()
|
|
{
|
|
PlaybackDevices.clear();
|
|
CaptureDevices.clear();
|
|
|
|
if(ThreadHdl)
|
|
{
|
|
TRACE("Sending WM_QUIT to Thread %04lx\n", ThreadID);
|
|
PostThreadMessage(ThreadID, WM_QUIT, 0, 0);
|
|
CloseHandle(ThreadHdl);
|
|
ThreadHdl = nullptr;
|
|
}
|
|
}
|
|
|
|
bool WasapiBackendFactory::querySupport(ALCbackend_Type type)
|
|
{ return (type == ALCbackend_Playback || type == ALCbackend_Capture); }
|
|
|
|
void WasapiBackendFactory::probe(DevProbe type, std::string *outnames)
|
|
{
|
|
ThreadRequest req{ nullptr, 0 };
|
|
|
|
req.FinishedEvt = CreateEventW(nullptr, FALSE, FALSE, nullptr);
|
|
if(req.FinishedEvt == nullptr)
|
|
ERR("Failed to create event: %lu\n", GetLastError());
|
|
else
|
|
{
|
|
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 = E_FAIL;
|
|
if(PostThreadMessage(ThreadID, WM_USER_Enumerate, (WPARAM)&req, type))
|
|
hr = WaitForResponse(&req);
|
|
if(SUCCEEDED(hr)) switch(type)
|
|
{
|
|
case ALL_DEVICE_PROBE:
|
|
std::for_each(PlaybackDevices.cbegin(), PlaybackDevices.cend(), add_device);
|
|
break;
|
|
|
|
case CAPTURE_DEVICE_PROBE:
|
|
std::for_each(CaptureDevices.cbegin(), CaptureDevices.cend(), add_device);
|
|
break;
|
|
}
|
|
CloseHandle(req.FinishedEvt);
|
|
req.FinishedEvt = nullptr;
|
|
}
|
|
}
|
|
|
|
ALCbackend *WasapiBackendFactory::createBackend(ALCdevice *device, ALCbackend_Type type)
|
|
{
|
|
if(type == ALCbackend_Playback)
|
|
{
|
|
ALCwasapiPlayback *backend;
|
|
NEW_OBJ(backend, ALCwasapiPlayback)(device);
|
|
if(!backend) return nullptr;
|
|
return STATIC_CAST(ALCbackend, backend);
|
|
}
|
|
if(type == ALCbackend_Capture)
|
|
{
|
|
ALCwasapiCapture *backend;
|
|
NEW_OBJ(backend, ALCwasapiCapture)(device);
|
|
if(!backend) return nullptr;
|
|
return STATIC_CAST(ALCbackend, backend);
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
BackendFactory &WasapiBackendFactory::getFactory()
|
|
{
|
|
static WasapiBackendFactory factory{};
|
|
return factory;
|
|
}
|