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2025-08-25 09:50:30 +08:00
parent bd0e31e922
commit 1359ff4ecc
1630 changed files with 738486 additions and 2399 deletions
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+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 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"
+
+#ifndef SDL_wasapi_h_
+#define SDL_wasapi_h_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "../SDL_sysaudio.h"
+
+struct SDL_PrivateAudioData
+{
+    WCHAR *devid;
+    WAVEFORMATEX *waveformat;
+    IAudioClient *client;
+    IAudioRenderClient *render;
+    IAudioCaptureClient *capture;
+    HANDLE event;
+    HANDLE task;
+    bool coinitialized;
+    int framesize;
+    SDL_AtomicInt device_disconnecting;
+    bool device_lost;
+    bool device_dead;
+};
+
+// win32 implementation calls into these.
+bool WASAPI_PrepDevice(SDL_AudioDevice *device);
+void WASAPI_DisconnectDevice(SDL_AudioDevice *device);  // don't hold the device lock when calling this!
+
+
+// BE CAREFUL: if you are holding the device lock and proxy to the management thread with wait_until_complete, and grab the lock again, you will deadlock.
+typedef bool (*ManagementThreadTask)(void *userdata);
+bool WASAPI_ProxyToManagementThread(ManagementThreadTask task, void *userdata, bool *wait_until_complete);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // SDL_wasapi_h_