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wasapi: Reworked for new SDL3 audio API, other win32 fixes.

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The WinRT code has _also_ be updated, but it has not been
tested or compiled, yet.
This commit is contained in:
Ryan C. Gordon
2023-07-14 19:55:30 -04:00
parent dc04f85646
commit c58d95c343
10 changed files with 654 additions and 556 deletions
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25
src/audio/wasapi/SDL_wasapi.h
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@@ -31,37 +31,38 @@ extern "C" {
struct SDL_PrivateAudioData
{
SDL_AtomicInt 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_AtomicInt just_activated;
};
/* win32 and winrt implementations call into these. */
int WASAPI_PrepDevice(SDL_AudioDevice *_this, const SDL_bool updatestream);
void WASAPI_RefDevice(SDL_AudioDevice *_this);
void WASAPI_UnrefDevice(SDL_AudioDevice *_this);
int WASAPI_PrepDevice(SDL_AudioDevice *device);
void WASAPI_DisconnectDevice(SDL_AudioDevice *device);
// 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 int (*ManagementThreadTask)(void *userdata);
int WASAPI_ProxyToManagementThread(ManagementThreadTask task, void *userdata, int *wait_until_complete);
/* These are functions that are implemented differently for Windows vs WinRT. */
// UNLESS OTHERWISE NOTED THESE ALL HAPPEN ON THE MANAGEMENT THREAD.
int WASAPI_PlatformInit(void);
void WASAPI_PlatformDeinit(void);
void WASAPI_EnumerateEndpoints(void);
int WASAPI_GetDefaultAudioInfo(char **name, SDL_AudioSpec *spec, int iscapture);
int WASAPI_ActivateDevice(SDL_AudioDevice *_this, const SDL_bool isrecovery);
void WASAPI_PlatformThreadInit(SDL_AudioDevice *_this);
void WASAPI_PlatformThreadDeinit(SDL_AudioDevice *_this);
void WASAPI_EnumerateEndpoints(SDL_AudioDevice **default_output, SDL_AudioDevice **default_capture);
int WASAPI_ActivateDevice(SDL_AudioDevice *device);
void WASAPI_PlatformThreadInit(SDL_AudioDevice *device); // this happens on the audio device thread, not the management thread.
void WASAPI_PlatformThreadDeinit(SDL_AudioDevice *device); // this happens on the audio device thread, not the management thread.
void WASAPI_PlatformDeleteActivationHandler(void *handler);
void WASAPI_PlatformFreeDeviceHandle(SDL_AudioDevice *device);
#ifdef __cplusplus
}