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diff --git a/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_winrt.cpp b/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_winrt.cpp
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--- a/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_winrt.cpp
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-/*
- Simple DirectMedia Layer
- Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
-
- This software is provided 'as-is', without any express or implied
- warranty. In no event will the authors be held liable for any damages
- arising from the use of this software.
-
- Permission is granted to anyone to use this software for any purpose,
- including commercial applications, and to alter it and redistribute it
- freely, subject to the following restrictions:
-
- 1. The origin of this software must not be misrepresented; you must not
- claim that you wrote the original software. If you use this software
- in a product, an acknowledgment in the product documentation would be
- appreciated but is not required.
- 2. Altered source versions must be plainly marked as such, and must not be
- misrepresented as being the original software.
- 3. This notice may not be removed or altered from any source distribution.
-*/
-
-#include "../../SDL_internal.h"
-
-// This is C++/CX code that the WinRT port uses to talk to WASAPI-related
-// system APIs. The C implementation of these functions, for non-WinRT apps,
-// is in SDL_wasapi_win32.c. The code in SDL_wasapi.c is used by both standard
-// Windows and WinRT builds to deal with audio and calls into these functions.
-
-#if SDL_AUDIO_DRIVER_WASAPI && defined(__WINRT__)
-
-#include <Windows.h>
-#include <windows.ui.core.h>
-#include <windows.devices.enumeration.h>
-#include <windows.media.devices.h>
-#include <wrl/implements.h>
-
-extern "C" {
-#include "../../core/windows/SDL_windows.h"
-#include "SDL_audio.h"
-#include "SDL_timer.h"
-#include "../SDL_audio_c.h"
-#include "../SDL_sysaudio.h"
-#include "SDL_assert.h"
-#include "SDL_log.h"
-}
-
-#define COBJMACROS
-#include <mmdeviceapi.h>
-#include <audioclient.h>
-
-#include "SDL_wasapi.h"
-
-using namespace Windows::Devices::Enumeration;
-using namespace Windows::Media::Devices;
-using namespace Windows::Foundation;
-using namespace Microsoft::WRL;
-
-class SDL_WasapiDeviceEventHandler
-{
-public:
- SDL_WasapiDeviceEventHandler(const SDL_bool _iscapture);
- ~SDL_WasapiDeviceEventHandler();
- void OnDeviceAdded(DeviceWatcher^ sender, DeviceInformation^ args);
- void OnDeviceRemoved(DeviceWatcher^ sender, DeviceInformationUpdate^ args);
- void OnDeviceUpdated(DeviceWatcher^ sender, DeviceInformationUpdate^ args);
- void OnDefaultRenderDeviceChanged(Platform::Object^ sender, DefaultAudioRenderDeviceChangedEventArgs^ args);
- void OnDefaultCaptureDeviceChanged(Platform::Object^ sender, DefaultAudioCaptureDeviceChangedEventArgs^ args);
-
-private:
- const SDL_bool iscapture;
- DeviceWatcher^ watcher;
- Windows::Foundation::EventRegistrationToken added_handler;
- Windows::Foundation::EventRegistrationToken removed_handler;
- Windows::Foundation::EventRegistrationToken updated_handler;
- Windows::Foundation::EventRegistrationToken default_changed_handler;
-};
-
-SDL_WasapiDeviceEventHandler::SDL_WasapiDeviceEventHandler(const SDL_bool _iscapture)
- : iscapture(_iscapture)
- , watcher(DeviceInformation::CreateWatcher(_iscapture ? DeviceClass::AudioCapture : DeviceClass::AudioRender))
-{
- if (!watcher)
- return; // uhoh.
-
- // !!! FIXME: this doesn't need a lambda here, I think, if I make SDL_WasapiDeviceEventHandler a proper C++/CX class. --ryan.
- added_handler = watcher->Added += ref new TypedEventHandler<DeviceWatcher^, DeviceInformation^>([this](DeviceWatcher^ sender, DeviceInformation^ args) { OnDeviceAdded(sender, args); } );
- removed_handler = watcher->Removed += ref new TypedEventHandler<DeviceWatcher^, DeviceInformationUpdate^>([this](DeviceWatcher^ sender, DeviceInformationUpdate^ args) { OnDeviceRemoved(sender, args); } );
- updated_handler = watcher->Updated += ref new TypedEventHandler<DeviceWatcher^, DeviceInformationUpdate^>([this](DeviceWatcher^ sender, DeviceInformationUpdate^ args) { OnDeviceUpdated(sender, args); } );
- if (iscapture) {
- default_changed_handler = MediaDevice::DefaultAudioCaptureDeviceChanged += ref new TypedEventHandler<Platform::Object^, DefaultAudioCaptureDeviceChangedEventArgs^>([this](Platform::Object^ sender, DefaultAudioCaptureDeviceChangedEventArgs^ args) { OnDefaultCaptureDeviceChanged(sender, args); } );
- } else {
- default_changed_handler = MediaDevice::DefaultAudioRenderDeviceChanged += ref new TypedEventHandler<Platform::Object^, DefaultAudioRenderDeviceChangedEventArgs^>([this](Platform::Object^ sender, DefaultAudioRenderDeviceChangedEventArgs^ args) { OnDefaultRenderDeviceChanged(sender, args); } );
- }
- watcher->Start();
-}
-
-SDL_WasapiDeviceEventHandler::~SDL_WasapiDeviceEventHandler()
-{
- if (watcher) {
- watcher->Added -= added_handler;
- watcher->Removed -= removed_handler;
- watcher->Updated -= updated_handler;
- watcher->Stop();
- watcher = nullptr;
- }
-
- if (iscapture) {
- MediaDevice::DefaultAudioCaptureDeviceChanged -= default_changed_handler;
- } else {
- MediaDevice::DefaultAudioRenderDeviceChanged -= default_changed_handler;
- }
-}
-
-void
-SDL_WasapiDeviceEventHandler::OnDeviceAdded(DeviceWatcher^ sender, DeviceInformation^ info)
-{
- SDL_assert(sender == this->watcher);
- char *utf8dev = WIN_StringToUTF8(info->Name->Data());
- if (utf8dev) {
- WASAPI_AddDevice(this->iscapture, utf8dev, info->Id->Data());
- SDL_free(utf8dev);
- }
-}
-
-void
-SDL_WasapiDeviceEventHandler::OnDeviceRemoved(DeviceWatcher^ sender, DeviceInformationUpdate^ info)
-{
- SDL_assert(sender == this->watcher);
- WASAPI_RemoveDevice(this->iscapture, info->Id->Data());
-}
-
-void
-SDL_WasapiDeviceEventHandler::OnDeviceUpdated(DeviceWatcher^ sender, DeviceInformationUpdate^ args)
-{
- SDL_assert(sender == this->watcher);
-}
-
-void
-SDL_WasapiDeviceEventHandler::OnDefaultRenderDeviceChanged(Platform::Object^ sender, DefaultAudioRenderDeviceChangedEventArgs^ args)
-{
- SDL_assert(this->iscapture);
- SDL_AtomicAdd(&WASAPI_DefaultPlaybackGeneration, 1);
-}
-
-void
-SDL_WasapiDeviceEventHandler::OnDefaultCaptureDeviceChanged(Platform::Object^ sender, DefaultAudioCaptureDeviceChangedEventArgs^ args)
-{
- SDL_assert(!this->iscapture);
- SDL_AtomicAdd(&WASAPI_DefaultCaptureGeneration, 1);
-}
-
-
-static SDL_WasapiDeviceEventHandler *playback_device_event_handler;
-static SDL_WasapiDeviceEventHandler *capture_device_event_handler;
-
-int WASAPI_PlatformInit(void)
-{
- return 0;
-}
-
-void WASAPI_PlatformDeinit(void)
-{
- delete playback_device_event_handler;
- playback_device_event_handler = nullptr;
- delete capture_device_event_handler;
- capture_device_event_handler = nullptr;
-}
-
-void WASAPI_EnumerateEndpoints(void)
-{
- // DeviceWatchers will fire an Added event for each existing device at
- // startup, so we don't need to enumerate them separately before
- // listening for updates.
- playback_device_event_handler = new SDL_WasapiDeviceEventHandler(SDL_FALSE);
- capture_device_event_handler = new SDL_WasapiDeviceEventHandler(SDL_TRUE);
-}
-
-struct SDL_WasapiActivationHandler : public RuntimeClass< RuntimeClassFlags< ClassicCom >, FtmBase, IActivateAudioInterfaceCompletionHandler >
-{
- SDL_WasapiActivationHandler() : device(nullptr) {}
- STDMETHOD(ActivateCompleted)(IActivateAudioInterfaceAsyncOperation *operation);
- SDL_AudioDevice *device;
-};
-
-HRESULT
-SDL_WasapiActivationHandler::ActivateCompleted(IActivateAudioInterfaceAsyncOperation *async)
-{
- // Just set a flag, since we're probably in a different thread. We'll pick it up and init everything on our own thread to prevent races.
- SDL_AtomicSet(&device->hidden->just_activated, 1);
- WASAPI_UnrefDevice(device);
- return S_OK;
-}
-
-void
-WASAPI_PlatformDeleteActivationHandler(void *handler)
-{
- ((SDL_WasapiActivationHandler *) handler)->Release();
-}
-
-int
-WASAPI_ActivateDevice(_THIS, const SDL_bool isrecovery)
-{
- LPCWSTR devid = _this->hidden->devid;
- Platform::String^ defdevid;
-
- if (devid == nullptr) {
- defdevid = _this->iscapture ? MediaDevice::GetDefaultAudioCaptureId(AudioDeviceRole::Default) : MediaDevice::GetDefaultAudioRenderId(AudioDeviceRole::Default);
- if (defdevid) {
- devid = defdevid->Data();
- }
- }
-
- SDL_AtomicSet(&_this->hidden->just_activated, 0);
-
- ComPtr<SDL_WasapiActivationHandler> handler = Make<SDL_WasapiActivationHandler>();
- if (handler == nullptr) {
- return SDL_SetError("Failed to allocate WASAPI activation handler");
- }
-
- handler.Get()->AddRef(); // we hold a reference after ComPtr destructs on return, causing a Release, and Release ourselves in WASAPI_PlatformDeleteActivationHandler(), etc.
- handler.Get()->device = _this;
- _this->hidden->activation_handler = handler.Get();
-
- WASAPI_RefDevice(_this); /* completion handler will unref it. */
- IActivateAudioInterfaceAsyncOperation *async = nullptr;
- const HRESULT ret = ActivateAudioInterfaceAsync(devid, __uuidof(IAudioClient), nullptr, handler.Get(), &async);
-
- if (FAILED(ret) || async == nullptr) {
- if (async != nullptr) {
- async->Release();
- }
- handler.Get()->Release();
- WASAPI_UnrefDevice(_this);
- return WIN_SetErrorFromHRESULT("WASAPI can't activate requested audio endpoint", ret);
- }
-
- /* Spin until the async operation is complete.
- * If we don't PrepDevice before leaving this function, the bug list gets LONG:
- * - device.spec is not filled with the correct information
- * - The 'obtained' spec will be wrong for ALLOW_CHANGE properties
- * - SDL_AudioStreams will/will not be allocated at the right time
- * - SDL_assert(device->callbackspec.size == device->spec.size) will fail
- * - When the assert is ignored, skipping or a buffer overflow will occur
- */
- while (!SDL_AtomicCAS(&_this->hidden->just_activated, 1, 0)) {
- SDL_Delay(1);
- }
-
- HRESULT activateRes = S_OK;
- IUnknown *iunknown = nullptr;
- const HRESULT getActivateRes = async->GetActivateResult(&activateRes, &iunknown);
- async->Release();
- if (FAILED(getActivateRes)) {
- return WIN_SetErrorFromHRESULT("Failed to get WASAPI activate result", getActivateRes);
- } else if (FAILED(activateRes)) {
- return WIN_SetErrorFromHRESULT("Failed to activate WASAPI device", activateRes);
- }
-
- iunknown->QueryInterface(IID_PPV_ARGS(&_this->hidden->client));
- if (!_this->hidden->client) {
- return SDL_SetError("Failed to query WASAPI client interface");
- }
-
- if (WASAPI_PrepDevice(_this, isrecovery) == -1) {
- return -1;
- }
-
- return 0;
-}
-
-void
-WASAPI_PlatformThreadInit(_THIS)
-{
- // !!! FIXME: set this thread to "Pro Audio" priority.
-}
-
-void
-WASAPI_PlatformThreadDeinit(_THIS)
-{
- // !!! FIXME: set this thread to "Pro Audio" priority.
-}
-
-#endif // SDL_AUDIO_DRIVER_WASAPI && defined(__WINRT__)
-
-/* vi: set ts=4 sw=4 expandtab: */