670 lines
18 KiB
C++
670 lines
18 KiB
C++
/*Copyright (C) 2013 Mamadou Diop
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* Copyright (C) 2013 Doubango Telecom <http://www.doubango.org>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*/
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/**@file tdav_producer_wasapi.h
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* @brief Microsoft Windows Audio Session API (WASAPI) producer.
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* http://msdn.microsoft.com/en-us/library/windows/desktop/dd316551(v=vs.85).aspx
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*/
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#include "tinydav/audio/wasapi/tdav_producer_wasapi.h"
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#if HAVE_WASAPI
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#include "tinydav/audio/tdav_producer_audio.h"
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#include "tsk_memory.h"
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#include "tsk_string.h"
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#include "tsk_debug.h"
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#include <windows.h>
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#include <audioclient.h>
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#include <phoneaudioclient.h>
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#include <speex/speex_buffer.h>
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#if !defined(TDAV_WASAPI_PRODUCER_NOTIF_POS_COUNT)
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# define TDAV_WASAPI_PRODUCER_NOTIF_POS_COUNT 10
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#endif
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#define WASAPI_MILLIS_TO_100NS(MILLIS) (((LONGLONG)(MILLIS)) * 10000ui64)
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#define WASAPI_100NS_TO_MILLIS(NANOS) (((LONGLONG)(NANOS)) / 10000ui64)
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struct tdav_producer_wasapi_s;
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namespace Doubango
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{
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namespace VoIP
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{
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ref class AudioCapture sealed
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{
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public:
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virtual ~AudioCapture();
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internal:
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AudioCapture();
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int Prepare(struct tdav_producer_wasapi_s* wasapi, const tmedia_codec_t* codec);
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int UnPrepare();
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int Start();
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int Stop();
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int Pause();
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private:
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void AsyncThread(Windows::Foundation::IAsyncAction^ operation);
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private:
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tsk_mutex_handle_t* m_hMutex;
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IAudioClient2* m_pDevice;
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IAudioCaptureClient* m_pClient;
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HANDLE m_hCaptureEvent;
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HANDLE m_hShutdownEvent;
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Windows::Foundation::IAsyncAction^ m_pAsyncThread;
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INT32 m_nBytesPerNotif;
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INT32 m_nSourceFrameSizeInBytes;
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struct{
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tmedia_producer_enc_cb_f fn;
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const void* pcData;
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} m_callback;
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struct {
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struct {
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void* buffer;
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tsk_size_t size;
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} chunck;
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SpeexBuffer* buffer;
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tsk_size_t size;
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} m_ring;
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bool m_bStarted;
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bool m_bPrepared;
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bool m_bPaused;
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};
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}
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}
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typedef struct tdav_producer_wasapi_s
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{
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TDAV_DECLARE_PRODUCER_AUDIO;
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Doubango::VoIP::AudioCapture ^audioCapture;
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}
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tdav_producer_wasapi_t;
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extern "C" void tdav_win32_print_error(const char* func, HRESULT hr);
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/* ============ Media Producer Interface ================= */
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static int tdav_producer_wasapi_set(tmedia_producer_t* self, const tmedia_param_t* param)
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{
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tdav_producer_wasapi_t* wasapi = (tdav_producer_wasapi_t*)self;
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if(param->plugin_type == tmedia_ppt_producer){
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if(param->value_type == tmedia_pvt_int32){
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if(tsk_striequals(param->key, "volume")){
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return 0;
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}
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else if(tsk_striequals(param->key, "mute")){
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//wasapi->mute = (TSK_TO_INT32((uint8_t*)param->value) != 0);
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#if !FIXME_SEND_SILENCE_ON_MUTE
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//if(wasapi->started){
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// if(wasapi->mute){
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//IDirectSoundCaptureBuffer_Stop(wasapi->captureBuffer);
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// }
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// else{
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//IDirectSoundCaptureBuffer_Start(wasapi->captureBuffer, DSBPLAY_LOOPING);
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// }
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//}
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#endif
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return 0;
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}
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}
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}
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return tdav_producer_audio_set(TDAV_PRODUCER_AUDIO(self), param);
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}
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static int tdav_producer_wasapi_prepare(tmedia_producer_t* self, const tmedia_codec_t* codec)
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{
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tdav_producer_wasapi_t* wasapi = (tdav_producer_wasapi_t*)self;
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if(!wasapi || !codec || !wasapi->audioCapture){
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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TMEDIA_PRODUCER(wasapi)->audio.channels = codec->plugin->audio.channels;
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TMEDIA_PRODUCER(wasapi)->audio.rate = codec->plugin->rate;
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TMEDIA_PRODUCER(wasapi)->audio.ptime = codec->plugin->audio.ptime;
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return wasapi->audioCapture->Prepare(wasapi, codec);
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}
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static int tdav_producer_wasapi_start(tmedia_producer_t* self)
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{
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tdav_producer_wasapi_t* wasapi = (tdav_producer_wasapi_t*)self;
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TSK_DEBUG_INFO("tdav_producer_wasapi_start()");
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if(!wasapi || !wasapi->audioCapture){
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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return wasapi->audioCapture->Start();
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}
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static int tdav_producer_wasapi_pause(tmedia_producer_t* self)
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{
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tdav_producer_wasapi_t* wasapi = (tdav_producer_wasapi_t*)self;
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if(!wasapi || !wasapi->audioCapture){
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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return wasapi->audioCapture->Pause();
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}
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static int tdav_producer_wasapi_stop(tmedia_producer_t* self)
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{
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tdav_producer_wasapi_t* wasapi = (tdav_producer_wasapi_t*)self;
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TSK_DEBUG_INFO("tdav_producer_wasapi_stop()");
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if(!wasapi || !wasapi->audioCapture){
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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return wasapi->audioCapture->Stop();
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}
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Doubango::VoIP::AudioCapture::AudioCapture()
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: m_pDevice(nullptr)
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, m_hMutex(nullptr)
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, m_pClient(nullptr)
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, m_hCaptureEvent(nullptr)
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, m_hShutdownEvent(nullptr)
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, m_pAsyncThread(nullptr)
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, m_nBytesPerNotif(0)
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, m_nSourceFrameSizeInBytes(0)
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, m_bStarted(false)
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, m_bPrepared(false)
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, m_bPaused(false)
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{
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m_callback.fn = nullptr, m_callback.pcData = nullptr;
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if(!(m_hMutex = tsk_mutex_create())){
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throw ref new Platform::FailureException(L"Failed to create mutex");
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}
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}
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Doubango::VoIP::AudioCapture::~AudioCapture()
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{
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Stop();
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UnPrepare();
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tsk_mutex_destroy(&m_hMutex);
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}
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int Doubango::VoIP::AudioCapture::Prepare(tdav_producer_wasapi_t* wasapi, const tmedia_codec_t* codec)
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{
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HRESULT hr = E_FAIL;
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int ret = 0;
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WAVEFORMATEX wfx = {0};
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AudioClientProperties properties = {0};
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LPCWSTR pwstrCaptureId = nullptr;
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#define WASAPI_SET_ERROR(code) ret = (code); goto bail;
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tsk_mutex_lock(m_hMutex);
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if(m_bPrepared)
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{
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TSK_DEBUG_INFO("#WASAPI: Audio producer already prepared");
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goto bail;
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}
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if(!wasapi || !codec)
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{
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TSK_DEBUG_ERROR("Invalid parameter");
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WASAPI_SET_ERROR(-1);
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}
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if(m_pDevice || m_pClient){
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TSK_DEBUG_ERROR("Producer already prepared");
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WASAPI_SET_ERROR(-2);
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}
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pwstrCaptureId = GetDefaultAudioCaptureId(AudioDeviceRole::Communications);
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if (NULL == pwstrCaptureId){
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tdav_win32_print_error("GetDefaultAudioCaptureId", HRESULT_FROM_WIN32(GetLastError()));
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WASAPI_SET_ERROR(-3);
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}
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hr = ActivateAudioInterface(pwstrCaptureId, __uuidof(IAudioClient2), (void**)&m_pDevice);
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if(!SUCCEEDED(hr)){
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tdav_win32_print_error("ActivateAudioInterface", HRESULT_FROM_WIN32(GetLastError()));
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WASAPI_SET_ERROR(-4);
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}
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if (SUCCEEDED(hr)){
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properties.cbSize = sizeof AudioClientProperties;
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properties.eCategory = AudioCategory_Communications;
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hr = m_pDevice->SetClientProperties(&properties);
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if (!SUCCEEDED(hr)){
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tdav_win32_print_error("SetClientProperties", HRESULT_FROM_WIN32(GetLastError()));
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WASAPI_SET_ERROR(-5);
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}
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}
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else{
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tdav_win32_print_error("ActivateAudioInterface", HRESULT_FROM_WIN32(GetLastError()));
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WASAPI_SET_ERROR(-6);
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}
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/* Set best format */
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{
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wfx.wFormatTag = WAVE_FORMAT_PCM;
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wfx.nChannels = TMEDIA_PRODUCER(wasapi)->audio.channels;
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wfx.nSamplesPerSec = TMEDIA_PRODUCER(wasapi)->audio.rate;
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wfx.wBitsPerSample = TMEDIA_PRODUCER(wasapi)->audio.bits_per_sample;
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wfx.nBlockAlign = (wfx.nChannels * wfx.wBitsPerSample/8);
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wfx.nAvgBytesPerSec = (wfx.nSamplesPerSec * wfx.nBlockAlign);
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PWAVEFORMATEX pwfxClosestMatch = NULL;
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hr = m_pDevice->IsFormatSupported(AUDCLNT_SHAREMODE_SHARED, &wfx, &pwfxClosestMatch);
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if(hr != S_OK && hr != S_FALSE)
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{
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tdav_win32_print_error("IsFormatSupported", HRESULT_FROM_WIN32(GetLastError()));
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WASAPI_SET_ERROR(-8);
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}
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if(hr == S_FALSE)
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{
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if(!pwfxClosestMatch)
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{
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TSK_DEBUG_ERROR("malloc(%d) failed", sizeof(WAVEFORMATEX));
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WASAPI_SET_ERROR(-7);
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}
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wfx.nChannels = pwfxClosestMatch->nChannels;
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wfx.nSamplesPerSec = pwfxClosestMatch->nSamplesPerSec;
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#if 0
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wfx.wBitsPerSample = pwfxClosestMatch->wBitsPerSample;
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#endif
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wfx.nBlockAlign = wfx.nChannels * (wfx.wBitsPerSample / 8);
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wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign;
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// Request resampler
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TMEDIA_PRODUCER(wasapi)->audio.rate = (uint32_t)wfx.nSamplesPerSec;
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TMEDIA_PRODUCER(wasapi)->audio.bits_per_sample = (uint8_t)wfx.wBitsPerSample;
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TMEDIA_PRODUCER(wasapi)->audio.channels = (uint8_t)wfx.nChannels;
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TSK_DEBUG_INFO("Audio device format fallback: rate=%d, bps=%d, channels=%d", wfx.nSamplesPerSec, wfx.wBitsPerSample, wfx.nChannels);
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}
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if(pwfxClosestMatch)
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{
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CoTaskMemFree(pwfxClosestMatch);
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}
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}
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m_nSourceFrameSizeInBytes = (wfx.wBitsPerSample >> 3) * wfx.nChannels;
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m_nBytesPerNotif = ((wfx.nAvgBytesPerSec * TMEDIA_PRODUCER(wasapi)->audio.ptime)/1000);
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// Initialize
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hr = m_pDevice->Initialize(
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AUDCLNT_SHAREMODE_SHARED,
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AUDCLNT_STREAMFLAGS_EVENTCALLBACK,
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(TDAV_WASAPI_PRODUCER_NOTIF_POS_COUNT * WASAPI_MILLIS_TO_100NS(TMEDIA_PRODUCER(wasapi)->audio.ptime)),
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0,
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&wfx,
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NULL);
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if (!SUCCEEDED(hr)){
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tdav_win32_print_error("#WASAPI: Capture::SetClientProperties", hr);
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WASAPI_SET_ERROR(-9);
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}
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REFERENCE_TIME DefaultDevicePeriod, MinimumDevicePeriod;
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hr = m_pDevice->GetDevicePeriod(&DefaultDevicePeriod, &MinimumDevicePeriod);
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if (!SUCCEEDED(hr)){
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tdav_win32_print_error("GetDevicePeriod", hr);
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WASAPI_SET_ERROR(-10);
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}
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TSK_DEBUG_INFO("#WASAPI(Capture): DefaultDevicePeriod=%lld ms, MinimumDevicePeriod=%lldms", WASAPI_100NS_TO_MILLIS(DefaultDevicePeriod), WASAPI_100NS_TO_MILLIS(MinimumDevicePeriod));
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if(!m_hCaptureEvent){
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if(!(m_hCaptureEvent = CreateEventEx(NULL, NULL, 0, EVENT_ALL_ACCESS))){
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tdav_win32_print_error("CreateEventEx(Capture)", HRESULT_FROM_WIN32(GetLastError()));
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WASAPI_SET_ERROR(-11);
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}
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}
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if(!m_hShutdownEvent){
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if(!(m_hShutdownEvent = CreateEventEx(NULL, NULL, CREATE_EVENT_MANUAL_RESET, EVENT_ALL_ACCESS))){
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tdav_win32_print_error("CreateEventEx(Shutdown)", HRESULT_FROM_WIN32(GetLastError()));
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WASAPI_SET_ERROR(-12);
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}
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}
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hr = m_pDevice->SetEventHandle(m_hCaptureEvent);
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if (!SUCCEEDED(hr)){
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tdav_win32_print_error("SetEventHandle", hr);
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WASAPI_SET_ERROR(-13);
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}
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hr = m_pDevice->GetService(__uuidof(IAudioCaptureClient), (void**)&m_pClient);
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if (!SUCCEEDED(hr)){
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tdav_win32_print_error("GetService", hr);
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WASAPI_SET_ERROR(-14);
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}
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int packetperbuffer = (1000 / codec->plugin->audio.ptime);
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m_ring.chunck.size = wfx.nSamplesPerSec * (wfx.wBitsPerSample >> 3) / packetperbuffer;
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TSK_DEBUG_INFO("#WASAPI: Audio producer ring chunk size = %u", m_ring.chunck.size);
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// allocate our chunck buffer
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if(!(m_ring.chunck.buffer = tsk_realloc(m_ring.chunck.buffer, m_ring.chunck.size))){
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TSK_DEBUG_ERROR("Failed to allocate new buffer");
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WASAPI_SET_ERROR(-15);
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}
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// create ringbuffer
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m_ring.size = TDAV_WASAPI_PRODUCER_NOTIF_POS_COUNT * m_ring.chunck.size;
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TSK_DEBUG_INFO("#WASAPI: Audio producer ring size = %u", m_ring.size);
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if(!m_ring.buffer){
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m_ring.buffer = speex_buffer_init(m_ring.size);
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}
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else {
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int sret;
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if((sret = speex_buffer_resize(m_ring.buffer, m_ring.size)) < 0){
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TSK_DEBUG_ERROR("speex_buffer_resize(%d) failed with error code=%d", m_ring.size, sret);
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WASAPI_SET_ERROR(-16);
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}
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}
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if(!m_ring.buffer){
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TSK_DEBUG_ERROR("Failed to create a new ring buffer with size = %d", m_ring.size);
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WASAPI_SET_ERROR(-17);
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}
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m_callback.fn = TMEDIA_PRODUCER(wasapi)->enc_cb.callback;
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m_callback.pcData = TMEDIA_PRODUCER(wasapi)->enc_cb.callback_data;
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bail:
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if (pwstrCaptureId){
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CoTaskMemFree((LPVOID)pwstrCaptureId);
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}
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if(ret != 0){
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UnPrepare();
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}
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m_bPrepared = (ret == 0);
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tsk_mutex_unlock(m_hMutex);
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return ret;
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}
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int Doubango::VoIP::AudioCapture::UnPrepare()
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{
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tsk_mutex_lock(m_hMutex);
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if(m_hCaptureEvent)
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{
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CloseHandle(m_hCaptureEvent), m_hCaptureEvent = nullptr;
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}
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if(m_hShutdownEvent)
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{
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CloseHandle(m_hShutdownEvent), m_hShutdownEvent = nullptr;
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}
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if(m_pDevice)
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{
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m_pDevice->Release(), m_pDevice = nullptr;
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}
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if(m_pClient)
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{
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m_pClient->Release(), m_pClient = nullptr;
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}
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TSK_FREE(m_ring.chunck.buffer);
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if(m_ring.buffer){
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speex_buffer_destroy(m_ring.buffer);
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m_ring.buffer = nullptr;
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}
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m_callback.fn = nullptr;
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m_callback.pcData = nullptr;
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m_bPrepared = false;
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tsk_mutex_unlock(m_hMutex);
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return 0;
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}
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int Doubango::VoIP::AudioCapture::Start()
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{
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tsk_mutex_lock(m_hMutex);
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if(m_bStarted)
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{
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TSK_DEBUG_INFO("#WASAPI: Audio producer already started");
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goto bail;
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}
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if(!m_bPrepared)
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{
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TSK_DEBUG_ERROR("Audio producer not prepared");
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goto bail;
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}
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m_pAsyncThread = Windows::System::Threading::ThreadPool::RunAsync(ref new Windows::System::Threading::WorkItemHandler(this, &Doubango::VoIP::AudioCapture::AsyncThread),
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Windows::System::Threading::WorkItemPriority::High,
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Windows::System::Threading::WorkItemOptions::TimeSliced);
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if((m_bStarted = (m_pAsyncThread != nullptr)))
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{
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HRESULT hr = m_pDevice->Start();
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if(!SUCCEEDED(hr))
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{
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tdav_win32_print_error("Device::Start", hr);
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Stop();
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}
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m_bPaused = false;
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}
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bail:
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tsk_mutex_unlock(m_hMutex);
|
|
|
|
return (m_bStarted ? 0 : -2);
|
|
}
|
|
|
|
int Doubango::VoIP::AudioCapture::Stop()
|
|
{
|
|
m_bStarted = false;
|
|
|
|
tsk_mutex_lock(m_hMutex);
|
|
|
|
if (m_hShutdownEvent)
|
|
{
|
|
SetEvent(m_hShutdownEvent);
|
|
}
|
|
|
|
if (m_pAsyncThread)
|
|
{
|
|
m_pAsyncThread->Cancel();
|
|
m_pAsyncThread->Close();
|
|
m_pAsyncThread = nullptr;
|
|
}
|
|
|
|
if(m_pDevice)
|
|
{
|
|
m_pDevice->Stop();
|
|
}
|
|
|
|
// will be prepared again before next start()
|
|
UnPrepare();
|
|
|
|
tsk_mutex_unlock(m_hMutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int Doubango::VoIP::AudioCapture::Pause()
|
|
{
|
|
tsk_mutex_lock(m_hMutex);
|
|
|
|
m_bPaused = true;
|
|
|
|
tsk_mutex_unlock(m_hMutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void Doubango::VoIP::AudioCapture::AsyncThread(Windows::Foundation::IAsyncAction^ operation)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
BYTE* pbData = nullptr;
|
|
UINT32 nFrames = 0;
|
|
DWORD dwFlags = 0;
|
|
UINT32 incomingBufferSize;
|
|
INT32 avail;
|
|
UINT32 nNextPacketSize;
|
|
|
|
HANDLE eventHandles[] = {
|
|
m_hCaptureEvent, // WAIT_OBJECT0
|
|
m_hShutdownEvent // WAIT_OBJECT1
|
|
};
|
|
|
|
TSK_DEBUG_INFO("#WASAPI: __record_thread -- START");
|
|
|
|
#define BREAK_WHILE tsk_mutex_unlock(m_hMutex); break;
|
|
|
|
while(m_bStarted && SUCCEEDED(hr)){
|
|
DWORD waitResult = WaitForMultipleObjectsEx(SIZEOF_ARRAY(eventHandles), eventHandles, FALSE, INFINITE, FALSE);
|
|
|
|
tsk_mutex_lock(m_hMutex);
|
|
|
|
if(!m_bStarted){
|
|
BREAK_WHILE;
|
|
}
|
|
|
|
if(waitResult == WAIT_OBJECT_0 && m_callback.fn) {
|
|
hr = m_pClient->GetNextPacketSize(&nNextPacketSize);
|
|
while(SUCCEEDED(hr) && nNextPacketSize >0){
|
|
hr = m_pClient->GetBuffer(&pbData, &nFrames, &dwFlags, nullptr, nullptr);
|
|
if(SUCCEEDED(hr) && pbData && nFrames){
|
|
if((dwFlags & AUDCLNT_BUFFERFLAGS_SILENT) != AUDCLNT_BUFFERFLAGS_SILENT){
|
|
incomingBufferSize = nFrames * m_nSourceFrameSizeInBytes;
|
|
speex_buffer_write(m_ring.buffer, pbData, incomingBufferSize);
|
|
avail = speex_buffer_get_available(m_ring.buffer);
|
|
while (m_bStarted && avail >= (INT32)m_ring.chunck.size) {
|
|
avail -= speex_buffer_read(m_ring.buffer, m_ring.chunck.buffer, m_ring.chunck.size);
|
|
m_callback.fn(m_callback.pcData, m_ring.chunck.buffer, m_ring.chunck.size);
|
|
}
|
|
}
|
|
|
|
if (SUCCEEDED(hr)){
|
|
hr = m_pClient->ReleaseBuffer(nFrames);
|
|
}
|
|
if (SUCCEEDED(hr)){
|
|
hr = m_pClient->GetNextPacketSize(&nNextPacketSize);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if(waitResult != WAIT_OBJECT_0){
|
|
BREAK_WHILE;
|
|
}
|
|
|
|
tsk_mutex_unlock(m_hMutex);
|
|
}// end-of-while
|
|
|
|
if (!SUCCEEDED(hr)){
|
|
tdav_win32_print_error("AsyncThread: ", hr);
|
|
}
|
|
|
|
|
|
TSK_DEBUG_INFO("WASAPI: __record_thread(%s) -- STOP", SUCCEEDED(hr) ? "OK": "NOK");
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//
|
|
// WaveAPI producer object definition
|
|
//
|
|
/* constructor */
|
|
static tsk_object_t* tdav_producer_wasapi_ctor(tsk_object_t * self, va_list * app)
|
|
{
|
|
tdav_producer_wasapi_t *wasapi = (tdav_producer_wasapi_t*)self;
|
|
if(wasapi){
|
|
/* init base */
|
|
tdav_producer_audio_init(TDAV_PRODUCER_AUDIO(wasapi));
|
|
/* init self */
|
|
|
|
wasapi->audioCapture = ref new Doubango::VoIP::AudioCapture();
|
|
}
|
|
return self;
|
|
}
|
|
/* destructor */
|
|
static tsk_object_t* tdav_producer_wasapi_dtor(tsk_object_t * self)
|
|
{
|
|
tdav_producer_wasapi_t *wasapi = (tdav_producer_wasapi_t*)self;
|
|
if(wasapi){
|
|
/* stop */
|
|
tdav_producer_wasapi_stop((tmedia_producer_t*)self);
|
|
/* deinit base */
|
|
tdav_producer_audio_deinit(TDAV_PRODUCER_AUDIO(wasapi));
|
|
/* deinit self */
|
|
if(wasapi->audioCapture){
|
|
delete wasapi->audioCapture;
|
|
wasapi->audioCapture = nullptr;
|
|
}
|
|
}
|
|
|
|
return self;
|
|
}
|
|
/* object definition */
|
|
static const tsk_object_def_t tdav_producer_wasapi_def_s =
|
|
{
|
|
sizeof(tdav_producer_wasapi_t),
|
|
tdav_producer_wasapi_ctor,
|
|
tdav_producer_wasapi_dtor,
|
|
tdav_producer_audio_cmp,
|
|
};
|
|
/* plugin definition*/
|
|
static const tmedia_producer_plugin_def_t tdav_producer_wasapi_plugin_def_s =
|
|
{
|
|
&tdav_producer_wasapi_def_s,
|
|
|
|
tmedia_audio,
|
|
"Microsoft Windows Audio Session API (WASAPI) producer",
|
|
|
|
tdav_producer_wasapi_set,
|
|
tdav_producer_wasapi_prepare,
|
|
tdav_producer_wasapi_start,
|
|
tdav_producer_wasapi_pause,
|
|
tdav_producer_wasapi_stop
|
|
};
|
|
const tmedia_producer_plugin_def_t *tdav_producer_wasapi_plugin_def_t = &tdav_producer_wasapi_plugin_def_s;
|
|
|
|
|
|
|
|
|
|
#endif /* HAVE_WASAPI */
|