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Remove _THIS in src/audio/

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Sylvain
2023-05-09 13:23:33 +02:00
committed by Ryan C. Gordon
parent 81ff49f4b5
commit 04e17d4e46
48 changed files with 1352 additions and 1425 deletions
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308
src/audio/wasapi/SDL_wasapi.c
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@@ -53,83 +53,83 @@ static void WASAPI_DetectDevices(void)
WASAPI_EnumerateEndpoints();
}
static SDL_INLINE SDL_bool WasapiFailed(_THIS, const HRESULT err)
static SDL_INLINE SDL_bool WasapiFailed(SDL_AudioDevice *_this, const HRESULT err)
{
if (err == S_OK) {
return SDL_FALSE;
}
if (err == AUDCLNT_E_DEVICE_INVALIDATED) {
this->hidden->device_lost = SDL_TRUE;
} else if (SDL_AtomicGet(&this->enabled)) {
IAudioClient_Stop(this->hidden->client);
SDL_OpenedAudioDeviceDisconnected(this);
SDL_assert(!SDL_AtomicGet(&this->enabled));
_this->hidden->device_lost = SDL_TRUE;
} else if (SDL_AtomicGet(&_this->enabled)) {
IAudioClient_Stop(_this->hidden->client);
SDL_OpenedAudioDeviceDisconnected(_this);
SDL_assert(!SDL_AtomicGet(&_this->enabled));
}
return SDL_TRUE;
}
static int UpdateAudioStream(_THIS, const SDL_AudioSpec *oldspec)
static int UpdateAudioStream(SDL_AudioDevice *_this, const SDL_AudioSpec *oldspec)
{
/* Since WASAPI requires us to handle all audio conversion, and our
device format might have changed, we might have to add/remove/change
the audio stream that the higher level uses to convert data, so
SDL keeps firing the callback as if nothing happened here. */
if ((this->callbackspec.channels == this->spec.channels) &&
(this->callbackspec.format == this->spec.format) &&
(this->callbackspec.freq == this->spec.freq) &&
(this->callbackspec.samples == this->spec.samples)) {
if ((_this->callbackspec.channels == _this->spec.channels) &&
(_this->callbackspec.format == _this->spec.format) &&
(_this->callbackspec.freq == _this->spec.freq) &&
(_this->callbackspec.samples == _this->spec.samples)) {
/* no need to buffer/convert in an AudioStream! */
SDL_DestroyAudioStream(this->stream);
this->stream = NULL;
} else if ((oldspec->channels == this->spec.channels) &&
(oldspec->format == this->spec.format) &&
(oldspec->freq == this->spec.freq)) {
SDL_DestroyAudioStream(_this->stream);
_this->stream = NULL;
} else if ((oldspec->channels == _this->spec.channels) &&
(oldspec->format == _this->spec.format) &&
(oldspec->freq == _this->spec.freq)) {
/* The existing audio stream is okay to keep using. */
} else {
/* replace the audiostream for new format */
SDL_DestroyAudioStream(this->stream);
if (this->iscapture) {
this->stream = SDL_CreateAudioStream(this->spec.format,
this->spec.channels, this->spec.freq,
this->callbackspec.format,
this->callbackspec.channels,
this->callbackspec.freq);
SDL_DestroyAudioStream(_this->stream);
if (_this->iscapture) {
_this->stream = SDL_CreateAudioStream(_this->spec.format,
_this->spec.channels, _this->spec.freq,
_this->callbackspec.format,
_this->callbackspec.channels,
_this->callbackspec.freq);
} else {
this->stream = SDL_CreateAudioStream(this->callbackspec.format,
this->callbackspec.channels,
this->callbackspec.freq, this->spec.format,
this->spec.channels, this->spec.freq);
_this->stream = SDL_CreateAudioStream(_this->callbackspec.format,
_this->callbackspec.channels,
_this->callbackspec.freq, _this->spec.format,
_this->spec.channels, _this->spec.freq);
}
if (!this->stream) {
if (!_this->stream) {
return -1; /* SDL_CreateAudioStream should have called SDL_SetError. */
}
}
/* make sure our scratch buffer can cover the new device spec. */
if (this->spec.size > this->work_buffer_len) {
Uint8 *ptr = (Uint8 *)SDL_realloc(this->work_buffer, this->spec.size);
if (_this->spec.size > _this->work_buffer_len) {
Uint8 *ptr = (Uint8 *)SDL_realloc(_this->work_buffer, _this->spec.size);
if (ptr == NULL) {
return SDL_OutOfMemory();
}
this->work_buffer = ptr;
this->work_buffer_len = this->spec.size;
_this->work_buffer = ptr;
_this->work_buffer_len = _this->spec.size;
}
return 0;
}
static void ReleaseWasapiDevice(_THIS);
static void ReleaseWasapiDevice(SDL_AudioDevice *_this);
static SDL_bool RecoverWasapiDevice(_THIS)
static SDL_bool RecoverWasapiDevice(SDL_AudioDevice *_this)
{
ReleaseWasapiDevice(this); /* dump the lost device's handles. */
ReleaseWasapiDevice(_this); /* dump the lost device's handles. */
if (this->hidden->default_device_generation) {
this->hidden->default_device_generation = SDL_AtomicGet(this->iscapture ? &SDL_IMMDevice_DefaultCaptureGeneration : &SDL_IMMDevice_DefaultPlaybackGeneration);
if (_this->hidden->default_device_generation) {
_this->hidden->default_device_generation = SDL_AtomicGet(_this->iscapture ? &SDL_IMMDevice_DefaultCaptureGeneration : &SDL_IMMDevice_DefaultPlaybackGeneration);
}
/* this can fail for lots of reasons, but the most likely is we had a
@@ -137,46 +137,46 @@ static SDL_bool RecoverWasapiDevice(_THIS)
devices try to reinitialize whatever the new default is, so it's more
likely to carry on here, but this handles a non-default device that
simply had its format changed in the Windows Control Panel. */
if (WASAPI_ActivateDevice(this, SDL_TRUE) == -1) {
SDL_OpenedAudioDeviceDisconnected(this);
if (WASAPI_ActivateDevice(_this, SDL_TRUE) == -1) {
SDL_OpenedAudioDeviceDisconnected(_this);
return SDL_FALSE;
}
this->hidden->device_lost = SDL_FALSE;
_this->hidden->device_lost = SDL_FALSE;
return SDL_TRUE; /* okay, carry on with new device details! */
}
static SDL_bool RecoverWasapiIfLost(_THIS)
static SDL_bool RecoverWasapiIfLost(SDL_AudioDevice *_this)
{
const int generation = this->hidden->default_device_generation;
SDL_bool lost = this->hidden->device_lost;
const int generation = _this->hidden->default_device_generation;
SDL_bool lost = _this->hidden->device_lost;
if (!SDL_AtomicGet(&this->enabled)) {
if (!SDL_AtomicGet(&_this->enabled)) {
return SDL_FALSE; /* already failed. */
}
if (!this->hidden->client) {
if (!_this->hidden->client) {
return SDL_TRUE; /* still waiting for activation. */
}
if (!lost && (generation > 0)) { /* is a default device? */
const int newgen = SDL_AtomicGet(this->iscapture ? &SDL_IMMDevice_DefaultCaptureGeneration : &SDL_IMMDevice_DefaultPlaybackGeneration);
const int newgen = SDL_AtomicGet(_this->iscapture ? &SDL_IMMDevice_DefaultCaptureGeneration : &SDL_IMMDevice_DefaultPlaybackGeneration);
if (generation != newgen) { /* the desired default device was changed, jump over to it. */
lost = SDL_TRUE;
}
}
return lost ? RecoverWasapiDevice(this) : SDL_TRUE;
return lost ? RecoverWasapiDevice(_this) : SDL_TRUE;
}
static Uint8 *WASAPI_GetDeviceBuf(_THIS)
static Uint8 *WASAPI_GetDeviceBuf(SDL_AudioDevice *_this)
{
/* get an endpoint buffer from WASAPI. */
BYTE *buffer = NULL;
while (RecoverWasapiIfLost(this) && this->hidden->render) {
if (!WasapiFailed(this, IAudioRenderClient_GetBuffer(this->hidden->render, this->spec.samples, &buffer))) {
while (RecoverWasapiIfLost(_this) && _this->hidden->render) {
if (!WasapiFailed(_this, IAudioRenderClient_GetBuffer(_this->hidden->render, _this->spec.samples, &buffer))) {
return (Uint8 *)buffer;
}
SDL_assert(buffer == NULL);
@@ -185,24 +185,24 @@ static Uint8 *WASAPI_GetDeviceBuf(_THIS)
return (Uint8 *)buffer;
}
static void WASAPI_PlayDevice(_THIS)
static void WASAPI_PlayDevice(SDL_AudioDevice *_this)
{
if (this->hidden->render != NULL) { /* definitely activated? */
if (_this->hidden->render != NULL) { /* definitely activated? */
/* WasapiFailed() will mark the device for reacquisition or removal elsewhere. */
WasapiFailed(this, IAudioRenderClient_ReleaseBuffer(this->hidden->render, this->spec.samples, 0));
WasapiFailed(_this, IAudioRenderClient_ReleaseBuffer(_this->hidden->render, _this->spec.samples, 0));
}
}
static void WASAPI_WaitDevice(_THIS)
static void WASAPI_WaitDevice(SDL_AudioDevice *_this)
{
while (RecoverWasapiIfLost(this) && this->hidden->client && this->hidden->event) {
DWORD waitResult = WaitForSingleObjectEx(this->hidden->event, 200, FALSE);
while (RecoverWasapiIfLost(_this) && _this->hidden->client && _this->hidden->event) {
DWORD waitResult = WaitForSingleObjectEx(_this->hidden->event, 200, FALSE);
if (waitResult == WAIT_OBJECT_0) {
const UINT32 maxpadding = this->spec.samples;
const UINT32 maxpadding = _this->spec.samples;
UINT32 padding = 0;
if (!WasapiFailed(this, IAudioClient_GetCurrentPadding(this->hidden->client, &padding))) {
if (!WasapiFailed(_this, IAudioClient_GetCurrentPadding(_this->hidden->client, &padding))) {
/*SDL_Log("WASAPI EVENT! padding=%u maxpadding=%u", (unsigned int)padding, (unsigned int)maxpadding);*/
if (this->iscapture) {
if (_this->iscapture) {
if (padding > 0) {
break;
}
@@ -214,15 +214,15 @@ static void WASAPI_WaitDevice(_THIS)
}
} else if (waitResult != WAIT_TIMEOUT) {
/*SDL_Log("WASAPI FAILED EVENT!");*/
IAudioClient_Stop(this->hidden->client);
SDL_OpenedAudioDeviceDisconnected(this);
IAudioClient_Stop(_this->hidden->client);
SDL_OpenedAudioDeviceDisconnected(_this);
}
}
}
static int WASAPI_CaptureFromDevice(_THIS, void *buffer, int buflen)
static int WASAPI_CaptureFromDevice(SDL_AudioDevice *_this, void *buffer, int buflen)
{
SDL_AudioStream *stream = this->hidden->capturestream;
SDL_AudioStream *stream = _this->hidden->capturestream;
const int avail = SDL_GetAudioStreamAvailable(stream);
if (avail > 0) {
const int cpy = SDL_min(buflen, avail);
@@ -230,35 +230,35 @@ static int WASAPI_CaptureFromDevice(_THIS, void *buffer, int buflen)
return cpy;
}
while (RecoverWasapiIfLost(this)) {
while (RecoverWasapiIfLost(_this)) {
HRESULT ret;
BYTE *ptr = NULL;
UINT32 frames = 0;
DWORD flags = 0;
/* uhoh, client isn't activated yet, just return silence. */
if (!this->hidden->capture) {
if (!_this->hidden->capture) {
/* Delay so we run at about the speed that audio would be arriving. */
SDL_Delay(((this->spec.samples * 1000) / this->spec.freq));
SDL_memset(buffer, this->spec.silence, buflen);
SDL_Delay(((_this->spec.samples * 1000) / _this->spec.freq));
SDL_memset(buffer, _this->spec.silence, buflen);
return buflen;
}
ret = IAudioCaptureClient_GetBuffer(this->hidden->capture, &ptr, &frames, &flags, NULL, NULL);
ret = IAudioCaptureClient_GetBuffer(_this->hidden->capture, &ptr, &frames, &flags, NULL, NULL);
if (ret != AUDCLNT_S_BUFFER_EMPTY) {
WasapiFailed(this, ret); /* mark device lost/failed if necessary. */
WasapiFailed(_this, ret); /* mark device lost/failed if necessary. */
}
if ((ret == AUDCLNT_S_BUFFER_EMPTY) || !frames) {
WASAPI_WaitDevice(this);
WASAPI_WaitDevice(_this);
} else if (ret == S_OK) {
const int total = ((int)frames) * this->hidden->framesize;
const int total = ((int)frames) * _this->hidden->framesize;
const int cpy = SDL_min(buflen, total);
const int leftover = total - cpy;
const SDL_bool silent = (flags & AUDCLNT_BUFFERFLAGS_SILENT) ? SDL_TRUE : SDL_FALSE;
if (silent) {
SDL_memset(buffer, this->spec.silence, cpy);
SDL_memset(buffer, _this->spec.silence, cpy);
} else {
SDL_memcpy(buffer, ptr, cpy);
}
@@ -266,7 +266,7 @@ static int WASAPI_CaptureFromDevice(_THIS, void *buffer, int buflen)
if (leftover > 0) {
ptr += cpy;
if (silent) {
SDL_memset(ptr, this->spec.silence, leftover); /* I guess this is safe? */
SDL_memset(ptr, _this->spec.silence, leftover); /* I guess this is safe? */
}
if (SDL_PutAudioStreamData(stream, ptr, leftover) == -1) {
@@ -274,8 +274,8 @@ static int WASAPI_CaptureFromDevice(_THIS, void *buffer, int buflen)
}
}
ret = IAudioCaptureClient_ReleaseBuffer(this->hidden->capture, frames);
WasapiFailed(this, ret); /* mark device lost/failed if necessary. */
ret = IAudioCaptureClient_ReleaseBuffer(_this->hidden->capture, frames);
WasapiFailed(_this, ret); /* mark device lost/failed if necessary. */
return cpy;
}
@@ -284,97 +284,97 @@ static int WASAPI_CaptureFromDevice(_THIS, void *buffer, int buflen)
return -1; /* unrecoverable error. */
}
static void WASAPI_FlushCapture(_THIS)
static void WASAPI_FlushCapture(SDL_AudioDevice *_this)
{
BYTE *ptr = NULL;
UINT32 frames = 0;
DWORD flags = 0;
if (!this->hidden->capture) {
if (!_this->hidden->capture) {
return; /* not activated yet? */
}
/* just read until we stop getting packets, throwing them away. */
while (SDL_TRUE) {
const HRESULT ret = IAudioCaptureClient_GetBuffer(this->hidden->capture, &ptr, &frames, &flags, NULL, NULL);
const HRESULT ret = IAudioCaptureClient_GetBuffer(_this->hidden->capture, &ptr, &frames, &flags, NULL, NULL);
if (ret == AUDCLNT_S_BUFFER_EMPTY) {
break; /* no more buffered data; we're done. */
} else if (WasapiFailed(this, ret)) {
} else if (WasapiFailed(_this, ret)) {
break; /* failed for some other reason, abort. */
} else if (WasapiFailed(this, IAudioCaptureClient_ReleaseBuffer(this->hidden->capture, frames))) {
} else if (WasapiFailed(_this, IAudioCaptureClient_ReleaseBuffer(_this->hidden->capture, frames))) {
break; /* something broke. */
}
}
SDL_ClearAudioStream(this->hidden->capturestream);
SDL_ClearAudioStream(_this->hidden->capturestream);
}
static void ReleaseWasapiDevice(_THIS)
static void ReleaseWasapiDevice(SDL_AudioDevice *_this)
{
if (this->hidden->client) {
IAudioClient_Stop(this->hidden->client);
IAudioClient_Release(this->hidden->client);
this->hidden->client = NULL;
if (_this->hidden->client) {
IAudioClient_Stop(_this->hidden->client);
IAudioClient_Release(_this->hidden->client);
_this->hidden->client = NULL;
}
if (this->hidden->render) {
IAudioRenderClient_Release(this->hidden->render);
this->hidden->render = NULL;
if (_this->hidden->render) {
IAudioRenderClient_Release(_this->hidden->render);
_this->hidden->render = NULL;
}
if (this->hidden->capture) {
IAudioCaptureClient_Release(this->hidden->capture);
this->hidden->capture = NULL;
if (_this->hidden->capture) {
IAudioCaptureClient_Release(_this->hidden->capture);
_this->hidden->capture = NULL;
}
if (this->hidden->waveformat) {
CoTaskMemFree(this->hidden->waveformat);
this->hidden->waveformat = NULL;
if (_this->hidden->waveformat) {
CoTaskMemFree(_this->hidden->waveformat);
_this->hidden->waveformat = NULL;
}
if (this->hidden->capturestream) {
SDL_DestroyAudioStream(this->hidden->capturestream);
this->hidden->capturestream = NULL;
if (_this->hidden->capturestream) {
SDL_DestroyAudioStream(_this->hidden->capturestream);
_this->hidden->capturestream = NULL;
}
if (this->hidden->activation_handler) {
WASAPI_PlatformDeleteActivationHandler(this->hidden->activation_handler);
this->hidden->activation_handler = NULL;
if (_this->hidden->activation_handler) {
WASAPI_PlatformDeleteActivationHandler(_this->hidden->activation_handler);
_this->hidden->activation_handler = NULL;
}
if (this->hidden->event) {
CloseHandle(this->hidden->event);
this->hidden->event = NULL;
if (_this->hidden->event) {
CloseHandle(_this->hidden->event);
_this->hidden->event = NULL;
}
}
static void WASAPI_CloseDevice(_THIS)
static void WASAPI_CloseDevice(SDL_AudioDevice *_this)
{
WASAPI_UnrefDevice(this);
WASAPI_UnrefDevice(_this);
}
void WASAPI_RefDevice(_THIS)
void WASAPI_RefDevice(SDL_AudioDevice *_this)
{
SDL_AtomicIncRef(&this->hidden->refcount);
SDL_AtomicIncRef(&_this->hidden->refcount);
}
void WASAPI_UnrefDevice(_THIS)
void WASAPI_UnrefDevice(SDL_AudioDevice *_this)
{
if (!SDL_AtomicDecRef(&this->hidden->refcount)) {
if (!SDL_AtomicDecRef(&_this->hidden->refcount)) {
return;
}
/* actual closing happens here. */
/* don't touch this->hidden->task in here; it has to be reverted from
/* don't touch _this->hidden->task in here; it has to be reverted from
our callback thread. We do that in WASAPI_ThreadDeinit().
(likewise for this->hidden->coinitialized). */
ReleaseWasapiDevice(this);
SDL_free(this->hidden->devid);
SDL_free(this->hidden);
(likewise for _this->hidden->coinitialized). */
ReleaseWasapiDevice(_this);
SDL_free(_this->hidden->devid);
SDL_free(_this->hidden);
}
/* This is called once a device is activated, possibly asynchronously. */
int WASAPI_PrepDevice(_THIS, const SDL_bool updatestream)
int WASAPI_PrepDevice(SDL_AudioDevice *_this, const SDL_bool updatestream)
{
/* !!! FIXME: we could request an exclusive mode stream, which is lower latency;
!!! it will write into the kernel's audio buffer directly instead of
@@ -387,11 +387,11 @@ int WASAPI_PrepDevice(_THIS, const SDL_bool updatestream)
!!! wins actually look like. Maybe add a hint to force exclusive mode at
!!! some point. To be sure, defaulting to shared mode is the right thing to
!!! do in any case. */
const SDL_AudioSpec oldspec = this->spec;
const SDL_AudioSpec oldspec = _this->spec;
const AUDCLNT_SHAREMODE sharemode = AUDCLNT_SHAREMODE_SHARED;
UINT32 bufsize = 0; /* this is in sample frames, not samples, not bytes. */
REFERENCE_TIME default_period = 0;
IAudioClient *client = this->hidden->client;
IAudioClient *client = _this->hidden->client;
IAudioRenderClient *render = NULL;
IAudioCaptureClient *capture = NULL;
WAVEFORMATEX *waveformat = NULL;
@@ -404,12 +404,12 @@ int WASAPI_PrepDevice(_THIS, const SDL_bool updatestream)
SDL_assert(client != NULL);
#if defined(__WINRT__) || defined(__GDK__) /* CreateEventEx() arrived in Vista, so we need an #ifdef for XP. */
this->hidden->event = CreateEventEx(NULL, NULL, 0, EVENT_ALL_ACCESS);
_this->hidden->event = CreateEventEx(NULL, NULL, 0, EVENT_ALL_ACCESS);
#else
this->hidden->event = CreateEventW(NULL, 0, 0, NULL);
_this->hidden->event = CreateEventW(NULL, 0, 0, NULL);
#endif
if (this->hidden->event == NULL) {
if (_this->hidden->event == NULL) {
return WIN_SetError("WASAPI can't create an event handle");
}
@@ -419,17 +419,17 @@ int WASAPI_PrepDevice(_THIS, const SDL_bool updatestream)
}
SDL_assert(waveformat != NULL);
this->hidden->waveformat = waveformat;
_this->hidden->waveformat = waveformat;
this->spec.channels = (Uint8)waveformat->nChannels;
_this->spec.channels = (Uint8)waveformat->nChannels;
/* Make sure we have a valid format that we can convert to whatever WASAPI wants. */
wasapi_format = WaveFormatToSDLFormat(waveformat);
closefmts = SDL_ClosestAudioFormats(this->spec.format);
closefmts = SDL_ClosestAudioFormats(_this->spec.format);
while ((test_format = *(closefmts++)) != 0) {
if (test_format == wasapi_format) {
this->spec.format = test_format;
_this->spec.format = test_format;
break;
}
}
@@ -447,12 +447,12 @@ int WASAPI_PrepDevice(_THIS, const SDL_bool updatestream)
it fixes some other WASAPI-specific quirks we haven't quite tracked down.
Refer to bug #6326 for the immediate concern. */
#if 0
this->spec.freq = waveformat->nSamplesPerSec; /* force sampling rate so our resampler kicks in, if necessary. */
_this->spec.freq = waveformat->nSamplesPerSec; /* force sampling rate so our resampler kicks in, if necessary. */
#else
/* favor WASAPI's resampler over our own */
if ((DWORD)this->spec.freq != waveformat->nSamplesPerSec) {
if ((DWORD)_this->spec.freq != waveformat->nSamplesPerSec) {
streamflags |= (AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM | AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY);
waveformat->nSamplesPerSec = this->spec.freq;
waveformat->nSamplesPerSec = _this->spec.freq;
waveformat->nAvgBytesPerSec = waveformat->nSamplesPerSec * waveformat->nChannels * (waveformat->wBitsPerSample / 8);
}
#endif
@@ -463,7 +463,7 @@ int WASAPI_PrepDevice(_THIS, const SDL_bool updatestream)
return WIN_SetErrorFromHRESULT("WASAPI can't initialize audio client", ret);
}
ret = IAudioClient_SetEventHandle(client, this->hidden->event);
ret = IAudioClient_SetEventHandle(client, _this->hidden->event);
if (FAILED(ret)) {
return WIN_SetErrorFromHRESULT("WASAPI can't set event handle", ret);
}
@@ -477,18 +477,18 @@ int WASAPI_PrepDevice(_THIS, const SDL_bool updatestream)
interrupts waited for in each call to WaitDevice */
{
const float period_millis = default_period / 10000.0f;
const float period_frames = period_millis * this->spec.freq / 1000.0f;
this->spec.samples = (Uint16)SDL_ceilf(period_frames);
const float period_frames = period_millis * _this->spec.freq / 1000.0f;
_this->spec.samples = (Uint16)SDL_ceilf(period_frames);
}
/* Update the fragment size as size in bytes */
SDL_CalculateAudioSpec(&this->spec);
SDL_CalculateAudioSpec(&_this->spec);
this->hidden->framesize = (SDL_AUDIO_BITSIZE(this->spec.format) / 8) * this->spec.channels;
_this->hidden->framesize = (SDL_AUDIO_BITSIZE(_this->spec.format) / 8) * _this->spec.channels;
if (this->iscapture) {
this->hidden->capturestream = SDL_CreateAudioStream(this->spec.format, this->spec.channels, this->spec.freq, this->spec.format, this->spec.channels, this->spec.freq);
if (!this->hidden->capturestream) {
if (_this->iscapture) {
_this->hidden->capturestream = SDL_CreateAudioStream(_this->spec.format, _this->spec.channels, _this->spec.freq, _this->spec.format, _this->spec.channels, _this->spec.freq);
if (!_this->hidden->capturestream) {
return -1; /* already set SDL_Error */
}
@@ -498,13 +498,13 @@ int WASAPI_PrepDevice(_THIS, const SDL_bool updatestream)
}
SDL_assert(capture != NULL);
this->hidden->capture = capture;
_this->hidden->capture = capture;
ret = IAudioClient_Start(client);
if (FAILED(ret)) {
return WIN_SetErrorFromHRESULT("WASAPI can't start capture", ret);
}
WASAPI_FlushCapture(this); /* MSDN says you should flush capture endpoint right after startup. */
WASAPI_FlushCapture(_this); /* MSDN says you should flush capture endpoint right after startup. */
} else {
ret = IAudioClient_GetService(client, &SDL_IID_IAudioRenderClient, (void **)&render);
if (FAILED(ret)) {
@@ -512,7 +512,7 @@ int WASAPI_PrepDevice(_THIS, const SDL_bool updatestream)
}
SDL_assert(render != NULL);
this->hidden->render = render;
_this->hidden->render = render;
ret = IAudioClient_Start(client);
if (FAILED(ret)) {
return WIN_SetErrorFromHRESULT("WASAPI can't start playback", ret);
@@ -520,35 +520,35 @@ int WASAPI_PrepDevice(_THIS, const SDL_bool updatestream)
}
if (updatestream) {
return UpdateAudioStream(this, &oldspec);
return UpdateAudioStream(_this, &oldspec);
}
return 0; /* good to go. */
}
static int WASAPI_OpenDevice(_THIS, const char *devname)
static int WASAPI_OpenDevice(SDL_AudioDevice *_this, const char *devname)
{
LPCWSTR devid = (LPCWSTR)this->handle;
LPCWSTR devid = (LPCWSTR)_this->handle;
/* Initialize all variables that we clean on shutdown */
this->hidden = (struct SDL_PrivateAudioData *) SDL_malloc(sizeof(*this->hidden));
if (this->hidden == NULL) {
_this->hidden = (struct SDL_PrivateAudioData *) SDL_malloc(sizeof(*_this->hidden));
if (_this->hidden == NULL) {
return SDL_OutOfMemory();
}
SDL_zerop(this->hidden);
SDL_zerop(_this->hidden);
WASAPI_RefDevice(this); /* so CloseDevice() will unref to zero. */
WASAPI_RefDevice(_this); /* so CloseDevice() will unref to zero. */
if (!devid) { /* is default device? */
this->hidden->default_device_generation = SDL_AtomicGet(this->iscapture ? &SDL_IMMDevice_DefaultCaptureGeneration : &SDL_IMMDevice_DefaultPlaybackGeneration);
_this->hidden->default_device_generation = SDL_AtomicGet(_this->iscapture ? &SDL_IMMDevice_DefaultCaptureGeneration : &SDL_IMMDevice_DefaultPlaybackGeneration);
} else {
this->hidden->devid = SDL_wcsdup(devid);
if (!this->hidden->devid) {
_this->hidden->devid = SDL_wcsdup(devid);
if (!_this->hidden->devid) {
return SDL_OutOfMemory();
}
}
if (WASAPI_ActivateDevice(this, SDL_FALSE) == -1) {
if (WASAPI_ActivateDevice(_this, SDL_FALSE) == -1) {
return -1; /* already set error. */
}
@@ -563,14 +563,14 @@ static int WASAPI_OpenDevice(_THIS, const char *devname)
return 0;
}
static void WASAPI_ThreadInit(_THIS)
static void WASAPI_ThreadInit(SDL_AudioDevice *_this)
{
WASAPI_PlatformThreadInit(this);
WASAPI_PlatformThreadInit(_this);
}
static void WASAPI_ThreadDeinit(_THIS)
static void WASAPI_ThreadDeinit(SDL_AudioDevice *_this)
{
WASAPI_PlatformThreadDeinit(this);
WASAPI_PlatformThreadDeinit(_this);
}
static void WASAPI_Deinitialize(void)