diff options
Diffstat (limited to 'Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_winrt.cpp')
| -rw-r--r-- | Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_winrt.cpp | 285 | 
1 files changed, 0 insertions, 285 deletions
diff --git a/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_winrt.cpp b/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_winrt.cpp deleted file mode 100644 index 2ca09de..0000000 --- a/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_winrt.cpp +++ /dev/null @@ -1,285 +0,0 @@ -/* -  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: */  | 
