Atlas - SDL_wasapi.h
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[FILE BEGIN]
1/*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2025 Sam Lantinga <[email protected]>
4
5  This software is provided 'as-is', without any express or implied
6  warranty.  In no event will the authors be held liable for any damages
7  arising from the use of this software.
8
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12
13  1. The origin of this software must not be misrepresented; you must not
14     claim that you wrote the original software. If you use this software
15     in a product, an acknowledgment in the product documentation would be
16     appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18     misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20*/
21#include "SDL_internal.h"
22
23#ifndef SDL_wasapi_h_
24#define SDL_wasapi_h_
25
26#ifdef __cplusplus
27extern "C" {
28#endif
29
30#include "../SDL_sysaudio.h"
31
32struct SDL_PrivateAudioData
33{
34    WCHAR *devid;
35    WAVEFORMATEX *waveformat;
36    IAudioClient *client;
37    IAudioRenderClient *render;
38    IAudioCaptureClient *capture;
39    HANDLE event;
40    HANDLE task;
41    bool coinitialized;
42    int framesize;
43    SDL_AtomicInt device_disconnecting;
44    bool device_lost;
45    bool device_dead;
46    bool isplayback;
47};
48
49// win32 implementation calls into these.
50bool WASAPI_PrepDevice(SDL_AudioDevice *device);
51void WASAPI_DisconnectDevice(SDL_AudioDevice *device);  // don't hold the device lock when calling this!
52
53
54// 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.
55typedef bool (*ManagementThreadTask)(void *userdata);
56bool WASAPI_ProxyToManagementThread(ManagementThreadTask task, void *userdata, bool *wait_until_complete);
57
58#ifdef __cplusplus
59}
60#endif
61
62#endif // SDL_wasapi_h_
63
[FILE END]
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