diff options
Diffstat (limited to 'Source/3rdParty/SDL2/src/audio/wasapi')
| -rw-r--r-- | Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi.c | 785 | ||||
| -rw-r--r-- | Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi.h | 85 | ||||
| -rw-r--r-- | Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_win32.c | 457 | ||||
| -rw-r--r-- | Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_winrt.cpp | 285 |
4 files changed, 0 insertions, 1612 deletions
diff --git a/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi.c b/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi.c deleted file mode 100644 index f517539..0000000 --- a/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi.c +++ /dev/null @@ -1,785 +0,0 @@ -/* - 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" - -#if SDL_AUDIO_DRIVER_WASAPI - -#include "../../core/windows/SDL_windows.h" -#include "SDL_audio.h" -#include "SDL_timer.h" -#include "../SDL_audio_c.h" -#include "../SDL_sysaudio.h" -#include "SDL_assert.h" -#include "SDL_log.h" - -#define COBJMACROS -#include <mmdeviceapi.h> -#include <audioclient.h> - -#include "SDL_wasapi.h" - -/* This constant isn't available on MinGW-w64 */ -#ifndef AUDCLNT_STREAMFLAGS_RATEADJUST -#define AUDCLNT_STREAMFLAGS_RATEADJUST 0x00100000 -#endif - -/* these increment as default devices change. Opened default devices pick up changes in their threads. */ -SDL_atomic_t WASAPI_DefaultPlaybackGeneration; -SDL_atomic_t WASAPI_DefaultCaptureGeneration; - -/* This is a list of device id strings we have inflight, so we have consistent pointers to the same device. */ -typedef struct DevIdList -{ - WCHAR *str; - struct DevIdList *next; -} DevIdList; - -static DevIdList *deviceid_list = NULL; - -/* Some GUIDs we need to know without linking to libraries that aren't available before Vista. */ -static const IID SDL_IID_IAudioRenderClient = { 0xf294acfc, 0x3146, 0x4483,{ 0xa7, 0xbf, 0xad, 0xdc, 0xa7, 0xc2, 0x60, 0xe2 } }; -static const IID SDL_IID_IAudioCaptureClient = { 0xc8adbd64, 0xe71e, 0x48a0,{ 0xa4, 0xde, 0x18, 0x5c, 0x39, 0x5c, 0xd3, 0x17 } }; -static const GUID SDL_KSDATAFORMAT_SUBTYPE_PCM = { 0x00000001, 0x0000, 0x0010,{ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 } }; -static const GUID SDL_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT = { 0x00000003, 0x0000, 0x0010,{ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 } }; - -static SDL_bool -WStrEqual(const WCHAR *a, const WCHAR *b) -{ - while (*a) { - if (*a != *b) { - return SDL_FALSE; - } - a++; - b++; - } - return *b == 0; -} - -static size_t -WStrLen(const WCHAR *wstr) -{ - size_t retval = 0; - if (wstr) { - while (*(wstr++)) { - retval++; - } - } - return retval; -} - -static WCHAR * -WStrDupe(const WCHAR *wstr) -{ - const size_t len = (WStrLen(wstr) + 1) * sizeof (WCHAR); - WCHAR *retval = (WCHAR *) SDL_malloc(len); - if (retval) { - SDL_memcpy(retval, wstr, len); - } - return retval; -} - - -void -WASAPI_RemoveDevice(const SDL_bool iscapture, LPCWSTR devid) -{ - DevIdList *i; - DevIdList *next; - DevIdList *prev = NULL; - for (i = deviceid_list; i; i = next) { - next = i->next; - if (WStrEqual(i->str, devid)) { - if (prev) { - prev->next = next; - } else { - deviceid_list = next; - } - SDL_RemoveAudioDevice(iscapture, i->str); - SDL_free(i->str); - SDL_free(i); - } - prev = i; - } -} - -void -WASAPI_AddDevice(const SDL_bool iscapture, const char *devname, LPCWSTR devid) -{ - DevIdList *devidlist; - - /* You can have multiple endpoints on a device that are mutually exclusive ("Speakers" vs "Line Out" or whatever). - In a perfect world, things that are unplugged won't be in this collection. The only gotcha is probably for - phones and tablets, where you might have an internal speaker and a headphone jack and expect both to be - available and switch automatically. (!!! FIXME...?) */ - - /* see if we already have this one. */ - for (devidlist = deviceid_list; devidlist; devidlist = devidlist->next) { - if (WStrEqual(devidlist->str, devid)) { - return; /* we already have this. */ - } - } - - devidlist = (DevIdList *) SDL_malloc(sizeof (*devidlist)); - if (!devidlist) { - return; /* oh well. */ - } - - devid = WStrDupe(devid); - if (!devid) { - SDL_free(devidlist); - return; /* oh well. */ - } - - devidlist->str = (WCHAR *) devid; - devidlist->next = deviceid_list; - deviceid_list = devidlist; - - SDL_AddAudioDevice(iscapture, devname, (void *) devid); -} - -static void -WASAPI_DetectDevices(void) -{ - WASAPI_EnumerateEndpoints(); -} - -static int -WASAPI_GetPendingBytes(_THIS) -{ - UINT32 frames = 0; - - /* it's okay to fail here; we'll deal with failures in the audio thread. */ - /* FIXME: need a lock around checking this->hidden->client */ - if (this->hidden->client != NULL) { /* definitely activated? */ - if (FAILED(IAudioClient_GetCurrentPadding(this->hidden->client, &frames))) { - return 0; /* oh well. */ - } - } - return ((int) frames) * this->hidden->framesize; -} - -static SDL_INLINE SDL_bool -WasapiFailed(_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)); - } - - return SDL_TRUE; -} - -static int -UpdateAudioStream(_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) ) { - /* no need to buffer/convert in an AudioStream! */ - SDL_FreeAudioStream(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_FreeAudioStream(this->stream); - if (this->iscapture) { - this->stream = SDL_NewAudioStream(this->spec.format, - this->spec.channels, this->spec.freq, - this->callbackspec.format, - this->callbackspec.channels, - this->callbackspec.freq); - } else { - this->stream = SDL_NewAudioStream(this->callbackspec.format, - this->callbackspec.channels, - this->callbackspec.freq, this->spec.format, - this->spec.channels, this->spec.freq); - } - - if (!this->stream) { - return -1; - } - } - - /* 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 (ptr == NULL) { - return SDL_OutOfMemory(); - } - this->work_buffer = ptr; - this->work_buffer_len = this->spec.size; - } - - return 0; -} - - -static void ReleaseWasapiDevice(_THIS); - -static SDL_bool -RecoverWasapiDevice(_THIS) -{ - ReleaseWasapiDevice(this); /* dump the lost device's handles. */ - - if (this->hidden->default_device_generation) { - this->hidden->default_device_generation = SDL_AtomicGet(this->iscapture ? &WASAPI_DefaultCaptureGeneration : &WASAPI_DefaultPlaybackGeneration); - } - - /* this can fail for lots of reasons, but the most likely is we had a - non-default device that was disconnected, so we can't recover. Default - 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); - return SDL_FALSE; - } - - this->hidden->device_lost = SDL_FALSE; - - return SDL_TRUE; /* okay, carry on with new device details! */ -} - -static SDL_bool -RecoverWasapiIfLost(_THIS) -{ - const int generation = this->hidden->default_device_generation; - SDL_bool lost = this->hidden->device_lost; - - if (!SDL_AtomicGet(&this->enabled)) { - return SDL_FALSE; /* already failed. */ - } - - 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 ? &WASAPI_DefaultCaptureGeneration : &WASAPI_DefaultPlaybackGeneration); - if (generation != newgen) { /* the desired default device was changed, jump over to it. */ - lost = SDL_TRUE; - } - } - - return lost ? RecoverWasapiDevice(this) : SDL_TRUE; -} - -static Uint8 * -WASAPI_GetDeviceBuf(_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))) { - return (Uint8 *) buffer; - } - SDL_assert(buffer == NULL); - } - - return (Uint8 *) buffer; -} - -static void -WASAPI_PlayDevice(_THIS) -{ - 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)); - } -} - -static void -WASAPI_WaitDevice(_THIS) -{ - while (RecoverWasapiIfLost(this) && this->hidden->client && this->hidden->event) { - /*SDL_Log("WAITDEVICE");*/ - if (WaitForSingleObjectEx(this->hidden->event, INFINITE, FALSE) == WAIT_OBJECT_0) { - const UINT32 maxpadding = this->spec.samples; - UINT32 padding = 0; - if (!WasapiFailed(this, IAudioClient_GetCurrentPadding(this->hidden->client, &padding))) { - /*SDL_Log("WASAPI EVENT! padding=%u maxpadding=%u", (unsigned int)padding, (unsigned int)maxpadding);*/ - if (padding <= maxpadding) { - break; - } - } - } else { - /*SDL_Log("WASAPI FAILED EVENT!");*/ - IAudioClient_Stop(this->hidden->client); - SDL_OpenedAudioDeviceDisconnected(this); - } - } -} - -static int -WASAPI_CaptureFromDevice(_THIS, void *buffer, int buflen) -{ - SDL_AudioStream *stream = this->hidden->capturestream; - const int avail = SDL_AudioStreamAvailable(stream); - if (avail > 0) { - const int cpy = SDL_min(buflen, avail); - SDL_AudioStreamGet(stream, buffer, cpy); - return cpy; - } - - 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) { - /* 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); - return buflen; - } - - 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. */ - } - - if ((ret == AUDCLNT_S_BUFFER_EMPTY) || !frames) { - WASAPI_WaitDevice(this); - } else if (ret == S_OK) { - 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); - } else { - SDL_memcpy(buffer, ptr, cpy); - } - - if (leftover > 0) { - ptr += cpy; - if (silent) { - SDL_memset(ptr, this->spec.silence, leftover); /* I guess this is safe? */ - } - - if (SDL_AudioStreamPut(stream, ptr, leftover) == -1) { - return -1; /* uhoh, out of memory, etc. Kill device. :( */ - } - } - - ret = IAudioCaptureClient_ReleaseBuffer(this->hidden->capture, frames); - WasapiFailed(this, ret); /* mark device lost/failed if necessary. */ - - return cpy; - } - } - - return -1; /* unrecoverable error. */ -} - -static void -WASAPI_FlushCapture(_THIS) -{ - BYTE *ptr = NULL; - UINT32 frames = 0; - DWORD flags = 0; - - 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); - if (ret == AUDCLNT_S_BUFFER_EMPTY) { - break; /* no more buffered data; we're done. */ - } else if (WasapiFailed(this, ret)) { - break; /* failed for some other reason, abort. */ - } else if (WasapiFailed(this, IAudioCaptureClient_ReleaseBuffer(this->hidden->capture, frames))) { - break; /* something broke. */ - } - } - SDL_AudioStreamClear(this->hidden->capturestream); -} - -static void -ReleaseWasapiDevice(_THIS) -{ - if (this->hidden->client) { - IAudioClient_Stop(this->hidden->client); - IAudioClient_SetEventHandle(this->hidden->client, NULL); - 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->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->capturestream) { - SDL_FreeAudioStream(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->event) { - CloseHandle(this->hidden->event); - this->hidden->event = NULL; - } -} - -static void -WASAPI_CloseDevice(_THIS) -{ - WASAPI_UnrefDevice(this); -} - -void -WASAPI_RefDevice(_THIS) -{ - SDL_AtomicIncRef(&this->hidden->refcount); -} - -void -WASAPI_UnrefDevice(_THIS) -{ - 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 - 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); -} - -/* This is called once a device is activated, possibly asynchronously. */ -int -WASAPI_PrepDevice(_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 - !!! shared memory that a user-mode mixer then writes to the kernel with - !!! everything else. Doing this means any other sound using this device will - !!! stop playing, including the user's MP3 player and system notification - !!! sounds. You'd probably need to release the device when the app isn't in - !!! the foreground, to be a good citizen of the system. It's doable, but it's - !!! more work and causes some annoyances, and I don't know what the latency - !!! 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 AUDCLNT_SHAREMODE sharemode = AUDCLNT_SHAREMODE_SHARED; - UINT32 bufsize = 0; /* this is in sample frames, not samples, not bytes. */ - REFERENCE_TIME duration = 0; - IAudioClient *client = this->hidden->client; - IAudioRenderClient *render = NULL; - IAudioCaptureClient *capture = NULL; - WAVEFORMATEX *waveformat = NULL; - SDL_AudioFormat test_format = SDL_FirstAudioFormat(this->spec.format); - SDL_AudioFormat wasapi_format = 0; - SDL_bool valid_format = SDL_FALSE; - HRESULT ret = S_OK; - DWORD streamflags = 0; - - SDL_assert(client != NULL); - -#ifdef __WINRT__ /* CreateEventEx() arrived in Vista, so we need an #ifdef for XP. */ - this->hidden->event = CreateEventEx(NULL, NULL, 0, EVENT_ALL_ACCESS); -#else - this->hidden->event = CreateEventW(NULL, 0, 0, NULL); -#endif - - if (this->hidden->event == NULL) { - return WIN_SetError("WASAPI can't create an event handle"); - } - - ret = IAudioClient_GetMixFormat(client, &waveformat); - if (FAILED(ret)) { - return WIN_SetErrorFromHRESULT("WASAPI can't determine mix format", ret); - } - - SDL_assert(waveformat != NULL); - this->hidden->waveformat = waveformat; - - this->spec.channels = (Uint8) waveformat->nChannels; - - /* Make sure we have a valid format that we can convert to whatever WASAPI wants. */ - if ((waveformat->wFormatTag == WAVE_FORMAT_IEEE_FLOAT) && (waveformat->wBitsPerSample == 32)) { - wasapi_format = AUDIO_F32SYS; - } else if ((waveformat->wFormatTag == WAVE_FORMAT_PCM) && (waveformat->wBitsPerSample == 16)) { - wasapi_format = AUDIO_S16SYS; - } else if ((waveformat->wFormatTag == WAVE_FORMAT_PCM) && (waveformat->wBitsPerSample == 32)) { - wasapi_format = AUDIO_S32SYS; - } else if (waveformat->wFormatTag == WAVE_FORMAT_EXTENSIBLE) { - const WAVEFORMATEXTENSIBLE *ext = (const WAVEFORMATEXTENSIBLE *) waveformat; - if ((SDL_memcmp(&ext->SubFormat, &SDL_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, sizeof (GUID)) == 0) && (waveformat->wBitsPerSample == 32)) { - wasapi_format = AUDIO_F32SYS; - } else if ((SDL_memcmp(&ext->SubFormat, &SDL_KSDATAFORMAT_SUBTYPE_PCM, sizeof (GUID)) == 0) && (waveformat->wBitsPerSample == 16)) { - wasapi_format = AUDIO_S16SYS; - } else if ((SDL_memcmp(&ext->SubFormat, &SDL_KSDATAFORMAT_SUBTYPE_PCM, sizeof (GUID)) == 0) && (waveformat->wBitsPerSample == 32)) { - wasapi_format = AUDIO_S32SYS; - } - } - - while ((!valid_format) && (test_format)) { - if (test_format == wasapi_format) { - this->spec.format = test_format; - valid_format = SDL_TRUE; - break; - } - test_format = SDL_NextAudioFormat(); - } - - if (!valid_format) { - return SDL_SetError("WASAPI: Unsupported audio format"); - } - - ret = IAudioClient_GetDevicePeriod(client, NULL, &duration); - if (FAILED(ret)) { - return WIN_SetErrorFromHRESULT("WASAPI can't determine minimum device period", ret); - } - - /* favor WASAPI's resampler over our own, in Win7+. */ - if (this->spec.freq != waveformat->nSamplesPerSec) { - /* RATEADJUST only works with output devices in share mode, and is available in Win7 and later.*/ - if (WIN_IsWindows7OrGreater() && !this->iscapture && (sharemode == AUDCLNT_SHAREMODE_SHARED)) { - streamflags |= AUDCLNT_STREAMFLAGS_RATEADJUST; - waveformat->nSamplesPerSec = this->spec.freq; - waveformat->nAvgBytesPerSec = waveformat->nSamplesPerSec * waveformat->nChannels * (waveformat->wBitsPerSample / 8); - } - else { - this->spec.freq = waveformat->nSamplesPerSec; /* force sampling rate so our resampler kicks in. */ - } - } - - streamflags |= AUDCLNT_STREAMFLAGS_EVENTCALLBACK; - ret = IAudioClient_Initialize(client, sharemode, streamflags, duration, sharemode == AUDCLNT_SHAREMODE_SHARED ? 0 : duration, waveformat, NULL); - if (FAILED(ret)) { - return WIN_SetErrorFromHRESULT("WASAPI can't initialize audio client", ret); - } - - ret = IAudioClient_SetEventHandle(client, this->hidden->event); - if (FAILED(ret)) { - return WIN_SetErrorFromHRESULT("WASAPI can't set event handle", ret); - } - - ret = IAudioClient_GetBufferSize(client, &bufsize); - if (FAILED(ret)) { - return WIN_SetErrorFromHRESULT("WASAPI can't determine buffer size", ret); - } - - this->spec.samples = (Uint16) bufsize; - if (!this->iscapture) { - this->spec.samples /= 2; /* fill half of the DMA buffer on each run. */ - } - - /* Update the fragment size as size in bytes */ - SDL_CalculateAudioSpec(&this->spec); - - this->hidden->framesize = (SDL_AUDIO_BITSIZE(this->spec.format) / 8) * this->spec.channels; - - if (this->iscapture) { - this->hidden->capturestream = SDL_NewAudioStream(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 */ - } - - ret = IAudioClient_GetService(client, &SDL_IID_IAudioCaptureClient, (void**) &capture); - if (FAILED(ret)) { - return WIN_SetErrorFromHRESULT("WASAPI can't get capture client service", ret); - } - - SDL_assert(capture != NULL); - 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. */ - } else { - ret = IAudioClient_GetService(client, &SDL_IID_IAudioRenderClient, (void**) &render); - if (FAILED(ret)) { - return WIN_SetErrorFromHRESULT("WASAPI can't get render client service", ret); - } - - SDL_assert(render != NULL); - this->hidden->render = render; - ret = IAudioClient_Start(client); - if (FAILED(ret)) { - return WIN_SetErrorFromHRESULT("WASAPI can't start playback", ret); - } - } - - if (updatestream) { - if (UpdateAudioStream(this, &oldspec) == -1) { - return -1; - } - } - - return 0; /* good to go. */ -} - - -static int -WASAPI_OpenDevice(_THIS, void *handle, const char *devname, int iscapture) -{ - LPCWSTR devid = (LPCWSTR) handle; - - /* Initialize all variables that we clean on shutdown */ - this->hidden = (struct SDL_PrivateAudioData *) - SDL_malloc((sizeof *this->hidden)); - if (this->hidden == NULL) { - return SDL_OutOfMemory(); - } - SDL_zerop(this->hidden); - - WASAPI_RefDevice(this); /* so CloseDevice() will unref to zero. */ - - if (!devid) { /* is default device? */ - this->hidden->default_device_generation = SDL_AtomicGet(iscapture ? &WASAPI_DefaultCaptureGeneration : &WASAPI_DefaultPlaybackGeneration); - } else { - this->hidden->devid = WStrDupe(devid); - if (!this->hidden->devid) { - return SDL_OutOfMemory(); - } - } - - if (WASAPI_ActivateDevice(this, SDL_FALSE) == -1) { - return -1; /* already set error. */ - } - - /* Ready, but waiting for async device activation. - Until activation is successful, we will report silence from capture - devices and ignore data on playback devices. - Also, since we don't know the _actual_ device format until after - activation, we let the app have whatever it asks for. We set up - an SDL_AudioStream to convert, if necessary, once the activation - completes. */ - - return 0; -} - -static void -WASAPI_ThreadInit(_THIS) -{ - WASAPI_PlatformThreadInit(this); -} - -static void -WASAPI_ThreadDeinit(_THIS) -{ - WASAPI_PlatformThreadDeinit(this); -} - -void -WASAPI_BeginLoopIteration(_THIS) -{ - /* no-op. */ -} - -static void -WASAPI_Deinitialize(void) -{ - DevIdList *devidlist; - DevIdList *next; - - WASAPI_PlatformDeinit(); - - for (devidlist = deviceid_list; devidlist; devidlist = next) { - next = devidlist->next; - SDL_free(devidlist->str); - SDL_free(devidlist); - } - deviceid_list = NULL; -} - -static int -WASAPI_Init(SDL_AudioDriverImpl * impl) -{ - SDL_AtomicSet(&WASAPI_DefaultPlaybackGeneration, 1); - SDL_AtomicSet(&WASAPI_DefaultCaptureGeneration, 1); - - if (WASAPI_PlatformInit() == -1) { - return 0; - } - - /* Set the function pointers */ - impl->DetectDevices = WASAPI_DetectDevices; - impl->ThreadInit = WASAPI_ThreadInit; - impl->ThreadDeinit = WASAPI_ThreadDeinit; - impl->BeginLoopIteration = WASAPI_BeginLoopIteration; - impl->OpenDevice = WASAPI_OpenDevice; - impl->PlayDevice = WASAPI_PlayDevice; - impl->WaitDevice = WASAPI_WaitDevice; - impl->GetPendingBytes = WASAPI_GetPendingBytes; - impl->GetDeviceBuf = WASAPI_GetDeviceBuf; - impl->CaptureFromDevice = WASAPI_CaptureFromDevice; - impl->FlushCapture = WASAPI_FlushCapture; - impl->CloseDevice = WASAPI_CloseDevice; - impl->Deinitialize = WASAPI_Deinitialize; - impl->HasCaptureSupport = 1; - - return 1; /* this audio target is available. */ -} - -AudioBootStrap WASAPI_bootstrap = { - "wasapi", "WASAPI", WASAPI_Init, 0 -}; - -#endif /* SDL_AUDIO_DRIVER_WASAPI */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi.h b/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi.h deleted file mode 100644 index 142c0e5..0000000 --- a/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi.h +++ /dev/null @@ -1,85 +0,0 @@ -/* - 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: */ diff --git a/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_win32.c b/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_win32.c deleted file mode 100644 index 9d7c159..0000000 --- a/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_win32.c +++ /dev/null @@ -1,457 +0,0 @@ -/* - 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" - -/* This is code that Windows uses to talk to WASAPI-related system APIs. - This is for non-WinRT desktop apps. The C++/CX implementation of these - functions, exclusive to WinRT, are in SDL_wasapi_winrt.cpp. - The code in SDL_wasapi.c is used by both standard Windows and WinRT builds - to deal with audio and calls into these functions. */ - -#if SDL_AUDIO_DRIVER_WASAPI && !defined(__WINRT__) - -#include "../../core/windows/SDL_windows.h" -#include "SDL_audio.h" -#include "SDL_timer.h" -#include "../SDL_audio_c.h" -#include "../SDL_sysaudio.h" -#include "SDL_assert.h" -#include "SDL_log.h" - -#define COBJMACROS -#include <mmdeviceapi.h> -#include <audioclient.h> - -#include "SDL_wasapi.h" - -static const ERole SDL_WASAPI_role = eConsole; /* !!! FIXME: should this be eMultimedia? Should be a hint? */ - -/* This is global to the WASAPI target, to handle hotplug and default device lookup. */ -static IMMDeviceEnumerator *enumerator = NULL; - -/* PropVariantInit() is an inline function/macro in PropIdl.h that calls the C runtime's memset() directly. Use ours instead, to avoid dependency. */ -#ifdef PropVariantInit -#undef PropVariantInit -#endif -#define PropVariantInit(p) SDL_zerop(p) - -/* handle to Avrt.dll--Vista and later!--for flagging the callback thread as "Pro Audio" (low latency). */ -static HMODULE libavrt = NULL; -typedef HANDLE(WINAPI *pfnAvSetMmThreadCharacteristicsW)(LPWSTR, LPDWORD); -typedef BOOL(WINAPI *pfnAvRevertMmThreadCharacteristics)(HANDLE); -static pfnAvSetMmThreadCharacteristicsW pAvSetMmThreadCharacteristicsW = NULL; -static pfnAvRevertMmThreadCharacteristics pAvRevertMmThreadCharacteristics = NULL; - -/* Some GUIDs we need to know without linking to libraries that aren't available before Vista. */ -static const CLSID SDL_CLSID_MMDeviceEnumerator = { 0xbcde0395, 0xe52f, 0x467c,{ 0x8e, 0x3d, 0xc4, 0x57, 0x92, 0x91, 0x69, 0x2e } }; -static const IID SDL_IID_IMMDeviceEnumerator = { 0xa95664d2, 0x9614, 0x4f35,{ 0xa7, 0x46, 0xde, 0x8d, 0xb6, 0x36, 0x17, 0xe6 } }; -static const IID SDL_IID_IMMNotificationClient = { 0x7991eec9, 0x7e89, 0x4d85,{ 0x83, 0x90, 0x6c, 0x70, 0x3c, 0xec, 0x60, 0xc0 } }; -static const IID SDL_IID_IMMEndpoint = { 0x1be09788, 0x6894, 0x4089,{ 0x85, 0x86, 0x9a, 0x2a, 0x6c, 0x26, 0x5a, 0xc5 } }; -static const IID SDL_IID_IAudioClient = { 0x1cb9ad4c, 0xdbfa, 0x4c32,{ 0xb1, 0x78, 0xc2, 0xf5, 0x68, 0xa7, 0x03, 0xb2 } }; -static const PROPERTYKEY SDL_PKEY_Device_FriendlyName = { { 0xa45c254e, 0xdf1c, 0x4efd,{ 0x80, 0x20, 0x67, 0xd1, 0x46, 0xa8, 0x50, 0xe0, } }, 14 }; - - -static char * -GetWasapiDeviceName(IMMDevice *device) -{ - /* PKEY_Device_FriendlyName gives you "Speakers (SoundBlaster Pro)" which drives me nuts. I'd rather it be - "SoundBlaster Pro (Speakers)" but I guess that's developers vs users. Windows uses the FriendlyName in - its own UIs, like Volume Control, etc. */ - char *utf8dev = NULL; - IPropertyStore *props = NULL; - if (SUCCEEDED(IMMDevice_OpenPropertyStore(device, STGM_READ, &props))) { - PROPVARIANT var; - PropVariantInit(&var); - if (SUCCEEDED(IPropertyStore_GetValue(props, &SDL_PKEY_Device_FriendlyName, &var))) { - utf8dev = WIN_StringToUTF8(var.pwszVal); - } - PropVariantClear(&var); - IPropertyStore_Release(props); - } - return utf8dev; -} - - -/* We need a COM subclass of IMMNotificationClient for hotplug support, which is - easy in C++, but we have to tapdance more to make work in C. - Thanks to this page for coaching on how to make this work: - https://www.codeproject.com/Articles/13601/COM-in-plain-C */ - -typedef struct SDLMMNotificationClient -{ - const IMMNotificationClientVtbl *lpVtbl; - SDL_atomic_t refcount; -} SDLMMNotificationClient; - -static HRESULT STDMETHODCALLTYPE -SDLMMNotificationClient_QueryInterface(IMMNotificationClient *this, REFIID iid, void **ppv) -{ - if ((WIN_IsEqualIID(iid, &IID_IUnknown)) || (WIN_IsEqualIID(iid, &SDL_IID_IMMNotificationClient))) - { - *ppv = this; - this->lpVtbl->AddRef(this); - return S_OK; - } - - *ppv = NULL; - return E_NOINTERFACE; -} - -static ULONG STDMETHODCALLTYPE -SDLMMNotificationClient_AddRef(IMMNotificationClient *ithis) -{ - SDLMMNotificationClient *this = (SDLMMNotificationClient *) ithis; - return (ULONG) (SDL_AtomicIncRef(&this->refcount) + 1); -} - -static ULONG STDMETHODCALLTYPE -SDLMMNotificationClient_Release(IMMNotificationClient *ithis) -{ - /* this is a static object; we don't ever free it. */ - SDLMMNotificationClient *this = (SDLMMNotificationClient *) ithis; - const ULONG retval = SDL_AtomicDecRef(&this->refcount); - if (retval == 0) { - SDL_AtomicSet(&this->refcount, 0); /* uhh... */ - return 0; - } - return retval - 1; -} - -/* These are the entry points called when WASAPI device endpoints change. */ -static HRESULT STDMETHODCALLTYPE -SDLMMNotificationClient_OnDefaultDeviceChanged(IMMNotificationClient *ithis, EDataFlow flow, ERole role, LPCWSTR pwstrDeviceId) -{ - if (role != SDL_WASAPI_role) { - return S_OK; /* ignore it. */ - } - - /* Increment the "generation," so opened devices will pick this up in their threads. */ - switch (flow) { - case eRender: - SDL_AtomicAdd(&WASAPI_DefaultPlaybackGeneration, 1); - break; - - case eCapture: - SDL_AtomicAdd(&WASAPI_DefaultCaptureGeneration, 1); - break; - - case eAll: - SDL_AtomicAdd(&WASAPI_DefaultPlaybackGeneration, 1); - SDL_AtomicAdd(&WASAPI_DefaultCaptureGeneration, 1); - break; - - default: - SDL_assert(!"uhoh, unexpected OnDefaultDeviceChange flow!"); - break; - } - - return S_OK; -} - -static HRESULT STDMETHODCALLTYPE -SDLMMNotificationClient_OnDeviceAdded(IMMNotificationClient *ithis, LPCWSTR pwstrDeviceId) -{ - /* we ignore this; devices added here then progress to ACTIVE, if appropriate, in - OnDeviceStateChange, making that a better place to deal with device adds. More - importantly: the first time you plug in a USB audio device, this callback will - fire, but when you unplug it, it isn't removed (it's state changes to NOTPRESENT). - Plugging it back in won't fire this callback again. */ - return S_OK; -} - -static HRESULT STDMETHODCALLTYPE -SDLMMNotificationClient_OnDeviceRemoved(IMMNotificationClient *ithis, LPCWSTR pwstrDeviceId) -{ - /* See notes in OnDeviceAdded handler about why we ignore this. */ - return S_OK; -} - -static HRESULT STDMETHODCALLTYPE -SDLMMNotificationClient_OnDeviceStateChanged(IMMNotificationClient *ithis, LPCWSTR pwstrDeviceId, DWORD dwNewState) -{ - IMMDevice *device = NULL; - - if (SUCCEEDED(IMMDeviceEnumerator_GetDevice(enumerator, pwstrDeviceId, &device))) { - IMMEndpoint *endpoint = NULL; - if (SUCCEEDED(IMMDevice_QueryInterface(device, &SDL_IID_IMMEndpoint, (void **) &endpoint))) { - EDataFlow flow; - if (SUCCEEDED(IMMEndpoint_GetDataFlow(endpoint, &flow))) { - const SDL_bool iscapture = (flow == eCapture); - if (dwNewState == DEVICE_STATE_ACTIVE) { - char *utf8dev = GetWasapiDeviceName(device); - if (utf8dev) { - WASAPI_AddDevice(iscapture, utf8dev, pwstrDeviceId); - SDL_free(utf8dev); - } - } else { - WASAPI_RemoveDevice(iscapture, pwstrDeviceId); - } - } - IMMEndpoint_Release(endpoint); - } - IMMDevice_Release(device); - } - - return S_OK; -} - -static HRESULT STDMETHODCALLTYPE -SDLMMNotificationClient_OnPropertyValueChanged(IMMNotificationClient *this, LPCWSTR pwstrDeviceId, const PROPERTYKEY key) -{ - return S_OK; /* we don't care about these. */ -} - -static const IMMNotificationClientVtbl notification_client_vtbl = { - SDLMMNotificationClient_QueryInterface, - SDLMMNotificationClient_AddRef, - SDLMMNotificationClient_Release, - SDLMMNotificationClient_OnDeviceStateChanged, - SDLMMNotificationClient_OnDeviceAdded, - SDLMMNotificationClient_OnDeviceRemoved, - SDLMMNotificationClient_OnDefaultDeviceChanged, - SDLMMNotificationClient_OnPropertyValueChanged -}; - -static SDLMMNotificationClient notification_client = { ¬ification_client_vtbl, { 1 } }; - - -int -WASAPI_PlatformInit(void) -{ - HRESULT ret; - - /* just skip the discussion with COM here. */ - if (!WIN_IsWindowsVistaOrGreater()) { - return SDL_SetError("WASAPI support requires Windows Vista or later"); - } - - if (FAILED(WIN_CoInitialize())) { - return SDL_SetError("WASAPI: CoInitialize() failed"); - } - - ret = CoCreateInstance(&SDL_CLSID_MMDeviceEnumerator, NULL, CLSCTX_INPROC_SERVER, &SDL_IID_IMMDeviceEnumerator, (LPVOID) &enumerator); - if (FAILED(ret)) { - WIN_CoUninitialize(); - return WIN_SetErrorFromHRESULT("WASAPI CoCreateInstance(MMDeviceEnumerator)", ret); - } - - libavrt = LoadLibraryW(L"avrt.dll"); /* this library is available in Vista and later. No WinXP, so have to LoadLibrary to use it for now! */ - if (libavrt) { - pAvSetMmThreadCharacteristicsW = (pfnAvSetMmThreadCharacteristicsW) GetProcAddress(libavrt, "AvSetMmThreadCharacteristicsW"); - pAvRevertMmThreadCharacteristics = (pfnAvRevertMmThreadCharacteristics) GetProcAddress(libavrt, "AvRevertMmThreadCharacteristics"); - } - - return 0; -} - -void -WASAPI_PlatformDeinit(void) -{ - if (enumerator) { - IMMDeviceEnumerator_UnregisterEndpointNotificationCallback(enumerator, (IMMNotificationClient *) ¬ification_client); - IMMDeviceEnumerator_Release(enumerator); - enumerator = NULL; - } - - if (libavrt) { - FreeLibrary(libavrt); - libavrt = NULL; - } - - pAvSetMmThreadCharacteristicsW = NULL; - pAvRevertMmThreadCharacteristics = NULL; - - WIN_CoUninitialize(); -} - -void -WASAPI_PlatformThreadInit(_THIS) -{ - /* this thread uses COM. */ - if (SUCCEEDED(WIN_CoInitialize())) { /* can't report errors, hope it worked! */ - this->hidden->coinitialized = SDL_TRUE; - } - - /* Set this thread to very high "Pro Audio" priority. */ - if (pAvSetMmThreadCharacteristicsW) { - DWORD idx = 0; - this->hidden->task = pAvSetMmThreadCharacteristicsW(TEXT("Pro Audio"), &idx); - } -} - -void -WASAPI_PlatformThreadDeinit(_THIS) -{ - /* Set this thread back to normal priority. */ - if (this->hidden->task && pAvRevertMmThreadCharacteristics) { - pAvRevertMmThreadCharacteristics(this->hidden->task); - this->hidden->task = NULL; - } - - if (this->hidden->coinitialized) { - WIN_CoUninitialize(); - this->hidden->coinitialized = SDL_FALSE; - } -} - -int -WASAPI_ActivateDevice(_THIS, const SDL_bool isrecovery) -{ - LPCWSTR devid = this->hidden->devid; - IMMDevice *device = NULL; - HRESULT ret; - - if (devid == NULL) { - const EDataFlow dataflow = this->iscapture ? eCapture : eRender; - ret = IMMDeviceEnumerator_GetDefaultAudioEndpoint(enumerator, dataflow, SDL_WASAPI_role, &device); - } else { - ret = IMMDeviceEnumerator_GetDevice(enumerator, devid, &device); - } - - if (FAILED(ret)) { - SDL_assert(device == NULL); - this->hidden->client = NULL; - return WIN_SetErrorFromHRESULT("WASAPI can't find requested audio endpoint", ret); - } - - /* this is not async in standard win32, yay! */ - ret = IMMDevice_Activate(device, &SDL_IID_IAudioClient, CLSCTX_ALL, NULL, (void **) &this->hidden->client); - IMMDevice_Release(device); - - if (FAILED(ret)) { - SDL_assert(this->hidden->client == NULL); - return WIN_SetErrorFromHRESULT("WASAPI can't activate audio endpoint", ret); - } - - SDL_assert(this->hidden->client != NULL); - if (WASAPI_PrepDevice(this, isrecovery) == -1) { /* not async, fire it right away. */ - return -1; - } - - return 0; /* good to go. */ -} - - -typedef struct -{ - LPWSTR devid; - char *devname; -} EndpointItem; - -static int sort_endpoints(const void *_a, const void *_b) -{ - LPWSTR a = ((const EndpointItem *) _a)->devid; - LPWSTR b = ((const EndpointItem *) _b)->devid; - if (!a && b) { - return -1; - } else if (a && !b) { - return 1; - } - - while (SDL_TRUE) { - if (*a < *b) { - return -1; - } else if (*a > *b) { - return 1; - } else if (*a == 0) { - break; - } - a++; - b++; - } - - return 0; -} - -static void -WASAPI_EnumerateEndpointsForFlow(const SDL_bool iscapture) -{ - IMMDeviceCollection *collection = NULL; - EndpointItem *items; - UINT i, total; - - /* Note that WASAPI separates "adapter devices" from "audio endpoint devices" - ...one adapter device ("SoundBlaster Pro") might have multiple endpoint devices ("Speakers", "Line-Out"). */ - - if (FAILED(IMMDeviceEnumerator_EnumAudioEndpoints(enumerator, iscapture ? eCapture : eRender, DEVICE_STATE_ACTIVE, &collection))) { - return; - } - - if (FAILED(IMMDeviceCollection_GetCount(collection, &total))) { - IMMDeviceCollection_Release(collection); - return; - } - - items = (EndpointItem *) SDL_calloc(total, sizeof (EndpointItem)); - if (!items) { - return; /* oh well. */ - } - - for (i = 0; i < total; i++) { - EndpointItem *item = items + i; - IMMDevice *device = NULL; - if (SUCCEEDED(IMMDeviceCollection_Item(collection, i, &device))) { - if (SUCCEEDED(IMMDevice_GetId(device, &item->devid))) { - item->devname = GetWasapiDeviceName(device); - } - IMMDevice_Release(device); - } - } - - /* sort the list of devices by their guid so list is consistent between runs */ - SDL_qsort(items, total, sizeof (*items), sort_endpoints); - - /* Send the sorted list on to the SDL's higher level. */ - for (i = 0; i < total; i++) { - EndpointItem *item = items + i; - if ((item->devid) && (item->devname)) { - WASAPI_AddDevice(iscapture, item->devname, item->devid); - } - SDL_free(item->devname); - CoTaskMemFree(item->devid); - } - - SDL_free(items); - IMMDeviceCollection_Release(collection); -} - -void -WASAPI_EnumerateEndpoints(void) -{ - WASAPI_EnumerateEndpointsForFlow(SDL_FALSE); /* playback */ - WASAPI_EnumerateEndpointsForFlow(SDL_TRUE); /* capture */ - - /* if this fails, we just won't get hotplug events. Carry on anyhow. */ - IMMDeviceEnumerator_RegisterEndpointNotificationCallback(enumerator, (IMMNotificationClient *) ¬ification_client); -} - -void -WASAPI_PlatformDeleteActivationHandler(void *handler) -{ - /* not asynchronous. */ - SDL_assert(!"This function should have only been called on WinRT."); -} - -#endif /* SDL_AUDIO_DRIVER_WASAPI && !defined(__WINRT__) */ - -/* vi: set ts=4 sw=4 expandtab: */ - diff --git a/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_winrt.cpp b/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_winrt.cpp deleted file mode 100644 index 2ca09de..0000000 --- a/Source/3rdParty/SDL2/src/audio/wasapi/SDL_wasapi_winrt.cpp +++ /dev/null @@ -1,285 +0,0 @@ -/* - 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" - -// This is C++/CX code that the WinRT port uses to talk to WASAPI-related -// system APIs. The C implementation of these functions, for non-WinRT apps, -// is in SDL_wasapi_win32.c. The code in SDL_wasapi.c is used by both standard -// Windows and WinRT builds to deal with audio and calls into these functions. - -#if SDL_AUDIO_DRIVER_WASAPI && defined(__WINRT__) - -#include <Windows.h> -#include <windows.ui.core.h> -#include <windows.devices.enumeration.h> -#include <windows.media.devices.h> -#include <wrl/implements.h> - -extern "C" { -#include "../../core/windows/SDL_windows.h" -#include "SDL_audio.h" -#include "SDL_timer.h" -#include "../SDL_audio_c.h" -#include "../SDL_sysaudio.h" -#include "SDL_assert.h" -#include "SDL_log.h" -} - -#define COBJMACROS -#include <mmdeviceapi.h> -#include <audioclient.h> - -#include "SDL_wasapi.h" - -using namespace Windows::Devices::Enumeration; -using namespace Windows::Media::Devices; -using namespace Windows::Foundation; -using namespace Microsoft::WRL; - -class SDL_WasapiDeviceEventHandler -{ -public: - SDL_WasapiDeviceEventHandler(const SDL_bool _iscapture); - ~SDL_WasapiDeviceEventHandler(); - void OnDeviceAdded(DeviceWatcher^ sender, DeviceInformation^ args); - void OnDeviceRemoved(DeviceWatcher^ sender, DeviceInformationUpdate^ args); - void OnDeviceUpdated(DeviceWatcher^ sender, DeviceInformationUpdate^ args); - void OnDefaultRenderDeviceChanged(Platform::Object^ sender, DefaultAudioRenderDeviceChangedEventArgs^ args); - void OnDefaultCaptureDeviceChanged(Platform::Object^ sender, DefaultAudioCaptureDeviceChangedEventArgs^ args); - -private: - const SDL_bool iscapture; - DeviceWatcher^ watcher; - Windows::Foundation::EventRegistrationToken added_handler; - Windows::Foundation::EventRegistrationToken removed_handler; - Windows::Foundation::EventRegistrationToken updated_handler; - Windows::Foundation::EventRegistrationToken default_changed_handler; -}; - -SDL_WasapiDeviceEventHandler::SDL_WasapiDeviceEventHandler(const SDL_bool _iscapture) - : iscapture(_iscapture) - , watcher(DeviceInformation::CreateWatcher(_iscapture ? DeviceClass::AudioCapture : DeviceClass::AudioRender)) -{ - if (!watcher) - return; // uhoh. - - // !!! FIXME: this doesn't need a lambda here, I think, if I make SDL_WasapiDeviceEventHandler a proper C++/CX class. --ryan. - added_handler = watcher->Added += ref new TypedEventHandler<DeviceWatcher^, DeviceInformation^>([this](DeviceWatcher^ sender, DeviceInformation^ args) { OnDeviceAdded(sender, args); } ); - removed_handler = watcher->Removed += ref new TypedEventHandler<DeviceWatcher^, DeviceInformationUpdate^>([this](DeviceWatcher^ sender, DeviceInformationUpdate^ args) { OnDeviceRemoved(sender, args); } ); - updated_handler = watcher->Updated += ref new TypedEventHandler<DeviceWatcher^, DeviceInformationUpdate^>([this](DeviceWatcher^ sender, DeviceInformationUpdate^ args) { OnDeviceUpdated(sender, args); } ); - if (iscapture) { - default_changed_handler = MediaDevice::DefaultAudioCaptureDeviceChanged += ref new TypedEventHandler<Platform::Object^, DefaultAudioCaptureDeviceChangedEventArgs^>([this](Platform::Object^ sender, DefaultAudioCaptureDeviceChangedEventArgs^ args) { OnDefaultCaptureDeviceChanged(sender, args); } ); - } else { - default_changed_handler = MediaDevice::DefaultAudioRenderDeviceChanged += ref new TypedEventHandler<Platform::Object^, DefaultAudioRenderDeviceChangedEventArgs^>([this](Platform::Object^ sender, DefaultAudioRenderDeviceChangedEventArgs^ args) { OnDefaultRenderDeviceChanged(sender, args); } ); - } - watcher->Start(); -} - -SDL_WasapiDeviceEventHandler::~SDL_WasapiDeviceEventHandler() -{ - if (watcher) { - watcher->Added -= added_handler; - watcher->Removed -= removed_handler; - watcher->Updated -= updated_handler; - watcher->Stop(); - watcher = nullptr; - } - - if (iscapture) { - MediaDevice::DefaultAudioCaptureDeviceChanged -= default_changed_handler; - } else { - MediaDevice::DefaultAudioRenderDeviceChanged -= default_changed_handler; - } -} - -void -SDL_WasapiDeviceEventHandler::OnDeviceAdded(DeviceWatcher^ sender, DeviceInformation^ info) -{ - SDL_assert(sender == this->watcher); - char *utf8dev = WIN_StringToUTF8(info->Name->Data()); - if (utf8dev) { - WASAPI_AddDevice(this->iscapture, utf8dev, info->Id->Data()); - SDL_free(utf8dev); - } -} - -void -SDL_WasapiDeviceEventHandler::OnDeviceRemoved(DeviceWatcher^ sender, DeviceInformationUpdate^ info) -{ - SDL_assert(sender == this->watcher); - WASAPI_RemoveDevice(this->iscapture, info->Id->Data()); -} - -void -SDL_WasapiDeviceEventHandler::OnDeviceUpdated(DeviceWatcher^ sender, DeviceInformationUpdate^ args) -{ - SDL_assert(sender == this->watcher); -} - -void -SDL_WasapiDeviceEventHandler::OnDefaultRenderDeviceChanged(Platform::Object^ sender, DefaultAudioRenderDeviceChangedEventArgs^ args) -{ - SDL_assert(this->iscapture); - SDL_AtomicAdd(&WASAPI_DefaultPlaybackGeneration, 1); -} - -void -SDL_WasapiDeviceEventHandler::OnDefaultCaptureDeviceChanged(Platform::Object^ sender, DefaultAudioCaptureDeviceChangedEventArgs^ args) -{ - SDL_assert(!this->iscapture); - SDL_AtomicAdd(&WASAPI_DefaultCaptureGeneration, 1); -} - - -static SDL_WasapiDeviceEventHandler *playback_device_event_handler; -static SDL_WasapiDeviceEventHandler *capture_device_event_handler; - -int WASAPI_PlatformInit(void) -{ - return 0; -} - -void WASAPI_PlatformDeinit(void) -{ - delete playback_device_event_handler; - playback_device_event_handler = nullptr; - delete capture_device_event_handler; - capture_device_event_handler = nullptr; -} - -void WASAPI_EnumerateEndpoints(void) -{ - // DeviceWatchers will fire an Added event for each existing device at - // startup, so we don't need to enumerate them separately before - // listening for updates. - playback_device_event_handler = new SDL_WasapiDeviceEventHandler(SDL_FALSE); - capture_device_event_handler = new SDL_WasapiDeviceEventHandler(SDL_TRUE); -} - -struct SDL_WasapiActivationHandler : public RuntimeClass< RuntimeClassFlags< ClassicCom >, FtmBase, IActivateAudioInterfaceCompletionHandler > -{ - SDL_WasapiActivationHandler() : device(nullptr) {} - STDMETHOD(ActivateCompleted)(IActivateAudioInterfaceAsyncOperation *operation); - SDL_AudioDevice *device; -}; - -HRESULT -SDL_WasapiActivationHandler::ActivateCompleted(IActivateAudioInterfaceAsyncOperation *async) -{ - // Just set a flag, since we're probably in a different thread. We'll pick it up and init everything on our own thread to prevent races. - SDL_AtomicSet(&device->hidden->just_activated, 1); - WASAPI_UnrefDevice(device); - return S_OK; -} - -void -WASAPI_PlatformDeleteActivationHandler(void *handler) -{ - ((SDL_WasapiActivationHandler *) handler)->Release(); -} - -int -WASAPI_ActivateDevice(_THIS, const SDL_bool isrecovery) -{ - LPCWSTR devid = _this->hidden->devid; - Platform::String^ defdevid; - - if (devid == nullptr) { - defdevid = _this->iscapture ? MediaDevice::GetDefaultAudioCaptureId(AudioDeviceRole::Default) : MediaDevice::GetDefaultAudioRenderId(AudioDeviceRole::Default); - if (defdevid) { - devid = defdevid->Data(); - } - } - - SDL_AtomicSet(&_this->hidden->just_activated, 0); - - ComPtr<SDL_WasapiActivationHandler> handler = Make<SDL_WasapiActivationHandler>(); - if (handler == nullptr) { - return SDL_SetError("Failed to allocate WASAPI activation handler"); - } - - handler.Get()->AddRef(); // we hold a reference after ComPtr destructs on return, causing a Release, and Release ourselves in WASAPI_PlatformDeleteActivationHandler(), etc. - handler.Get()->device = _this; - _this->hidden->activation_handler = handler.Get(); - - WASAPI_RefDevice(_this); /* completion handler will unref it. */ - IActivateAudioInterfaceAsyncOperation *async = nullptr; - const HRESULT ret = ActivateAudioInterfaceAsync(devid, __uuidof(IAudioClient), nullptr, handler.Get(), &async); - - if (FAILED(ret) || async == nullptr) { - if (async != nullptr) { - async->Release(); - } - handler.Get()->Release(); - WASAPI_UnrefDevice(_this); - return WIN_SetErrorFromHRESULT("WASAPI can't activate requested audio endpoint", ret); - } - - /* Spin until the async operation is complete. - * If we don't PrepDevice before leaving this function, the bug list gets LONG: - * - device.spec is not filled with the correct information - * - The 'obtained' spec will be wrong for ALLOW_CHANGE properties - * - SDL_AudioStreams will/will not be allocated at the right time - * - SDL_assert(device->callbackspec.size == device->spec.size) will fail - * - When the assert is ignored, skipping or a buffer overflow will occur - */ - while (!SDL_AtomicCAS(&_this->hidden->just_activated, 1, 0)) { - SDL_Delay(1); - } - - HRESULT activateRes = S_OK; - IUnknown *iunknown = nullptr; - const HRESULT getActivateRes = async->GetActivateResult(&activateRes, &iunknown); - async->Release(); - if (FAILED(getActivateRes)) { - return WIN_SetErrorFromHRESULT("Failed to get WASAPI activate result", getActivateRes); - } else if (FAILED(activateRes)) { - return WIN_SetErrorFromHRESULT("Failed to activate WASAPI device", activateRes); - } - - iunknown->QueryInterface(IID_PPV_ARGS(&_this->hidden->client)); - if (!_this->hidden->client) { - return SDL_SetError("Failed to query WASAPI client interface"); - } - - if (WASAPI_PrepDevice(_this, isrecovery) == -1) { - return -1; - } - - return 0; -} - -void -WASAPI_PlatformThreadInit(_THIS) -{ - // !!! FIXME: set this thread to "Pro Audio" priority. -} - -void -WASAPI_PlatformThreadDeinit(_THIS) -{ - // !!! FIXME: set this thread to "Pro Audio" priority. -} - -#endif // SDL_AUDIO_DRIVER_WASAPI && defined(__WINRT__) - -/* vi: set ts=4 sw=4 expandtab: */ |