SDL_wasapi.h
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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"
#ifndef SDL_wasapi_h_
#define SDL_wasapi_h_
#ifdef __cplusplus
extern "C" {
#endif
#include "../SDL_sysaudio.h"
/* Hidden "this" pointer for the audio functions */
#ifdef __cplusplus
#define _THIS SDL_AudioDevice *_this
#else
#define _THIS SDL_AudioDevice *this
#endif
struct SDL_PrivateAudioData
{
SDL_atomic_t refcount;
WCHAR *devid;
WAVEFORMATEX *waveformat;
IAudioClient *client;
IAudioRenderClient *render;
IAudioCaptureClient *capture;
SDL_AudioStream *capturestream;
HANDLE event;
HANDLE task;
SDL_bool coinitialized;
int framesize;
int default_device_generation;
SDL_bool device_lost;
void *activation_handler;
SDL_atomic_t just_activated;
};
/* these increment as default devices change. Opened default devices pick up changes in their threads. */
extern SDL_atomic_t WASAPI_DefaultPlaybackGeneration;
extern SDL_atomic_t WASAPI_DefaultCaptureGeneration;
/* win32 and winrt implementations call into these. */
int WASAPI_PrepDevice(_THIS, const SDL_bool updatestream);
void WASAPI_RefDevice(_THIS);
void WASAPI_UnrefDevice(_THIS);
void WASAPI_AddDevice(const SDL_bool iscapture, const char *devname, LPCWSTR devid);
void WASAPI_RemoveDevice(const SDL_bool iscapture, LPCWSTR devid);
/* These are functions that are implemented differently for Windows vs WinRT. */
int WASAPI_PlatformInit(void);
void WASAPI_PlatformDeinit(void);
void WASAPI_EnumerateEndpoints(void);
int WASAPI_ActivateDevice(_THIS, const SDL_bool isrecovery);
void WASAPI_PlatformThreadInit(_THIS);
void WASAPI_PlatformThreadDeinit(_THIS);
void WASAPI_PlatformDeleteActivationHandler(void *handler);
void WASAPI_BeginLoopIteration(_THIS);
#ifdef __cplusplus
}
#endif
#endif /* SDL_wasapi_h_ */
/* vi: set ts=4 sw=4 expandtab: */
SDL_PrivateAudioData::capturestream
SDL_AudioStream * capturestream
Definition: SDL_wasapi.h:47
WASAPI_AddDevice
void WASAPI_AddDevice(const SDL_bool iscapture, const char *devname, LPCWSTR devid)
SDL_PrivateAudioData::iscapture
SDL_bool iscapture
Definition: SDL_qsa_audio.h:37
WASAPI_UnrefDevice
void WASAPI_UnrefDevice(_THIS)
SDL_atomic_t
A type representing an atomic integer value. It is a struct so people don&#39;t accidentally use numeric ...
Definition: SDL_atomic.h:198
WASAPI_BeginLoopIteration
void WASAPI_BeginLoopIteration(_THIS)
SDL_PrivateAudioData::client
IAudioClient * client
Definition: SDL_wasapi.h:44
SDL_PrivateAudioData::default_device_generation
int default_device_generation
Definition: SDL_wasapi.h:52
WASAPI_ActivateDevice
int WASAPI_ActivateDevice(_THIS, const SDL_bool isrecovery)
WASAPI_PlatformThreadDeinit
void WASAPI_PlatformThreadDeinit(_THIS)
WASAPI_PlatformDeinit
void WASAPI_PlatformDeinit(void)
SDL_PrivateAudioData
Definition: SDL_alsa_audio.h:33
SDL_PrivateAudioData::waveformat
WAVEFORMATEX * waveformat
Definition: SDL_wasapi.h:43
SDL_PrivateAudioData::capture
IAudioCaptureClient * capture
Definition: SDL_wasapi.h:46
WASAPI_PrepDevice
int WASAPI_PrepDevice(_THIS, const SDL_bool updatestream)
WASAPI_RefDevice
void WASAPI_RefDevice(_THIS)
WASAPI_EnumerateEndpoints
void WASAPI_EnumerateEndpoints(void)
_THIS
#define _THIS
Definition: SDL_wasapi.h:36
SDL_PrivateAudioData::render
IAudioRenderClient * render
Definition: SDL_wasapi.h:45
SDL_PrivateAudioData::coinitialized
SDL_bool coinitialized
Definition: SDL_wasapi.h:50
WASAPI_RemoveDevice
void WASAPI_RemoveDevice(const SDL_bool iscapture, LPCWSTR devid)
WASAPI_PlatformInit
int WASAPI_PlatformInit(void)
SDL_PrivateAudioData::refcount
SDL_atomic_t refcount
Definition: SDL_wasapi.h:41
WASAPI_DefaultPlaybackGeneration
SDL_atomic_t WASAPI_DefaultPlaybackGeneration
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:139
SDL_PrivateAudioData::event
HANDLE event
Definition: SDL_wasapi.h:48
SDL_PrivateAudioData::device_lost
SDL_bool device_lost
Definition: SDL_wasapi.h:53
WASAPI_DefaultCaptureGeneration
SDL_atomic_t WASAPI_DefaultCaptureGeneration
SDL_PrivateAudioData::framesize
int framesize
Definition: SDL_wasapi.h:51
WASAPI_PlatformDeleteActivationHandler
void WASAPI_PlatformDeleteActivationHandler(void *handler)
WASAPI_PlatformThreadInit
void WASAPI_PlatformThreadInit(_THIS)
SDL_PrivateAudioData::task
HANDLE task
Definition: SDL_wasapi.h:49
SDL_PrivateAudioData::just_activated
SDL_atomic_t just_activated
Definition: SDL_wasapi.h:55
SDL_PrivateAudioData::devid
WCHAR * devid
Definition: SDL_wasapi.h:42
SDL_PrivateAudioData::activation_handler
void * activation_handler
Definition: SDL_wasapi.h:54