diff options
Diffstat (limited to '3rdparty/portaudio/src/hostapi/dsound/pa_win_ds_dynlink.c')
| -rw-r--r-- | 3rdparty/portaudio/src/hostapi/dsound/pa_win_ds_dynlink.c | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/3rdparty/portaudio/src/hostapi/dsound/pa_win_ds_dynlink.c b/3rdparty/portaudio/src/hostapi/dsound/pa_win_ds_dynlink.c new file mode 100644 index 0000000..e54df99 --- /dev/null +++ b/3rdparty/portaudio/src/hostapi/dsound/pa_win_ds_dynlink.c @@ -0,0 +1,224 @@ +/* + * Interface for dynamically loading directsound and providing a dummy + * implementation if it isn't present. + * + * Author: Ross Bencina (some portions Phil Burk & Robert Marsanyi) + * + * For PortAudio Portable Real-Time Audio Library + * For more information see: http://www.portaudio.com + * Copyright (c) 1999-2006 Phil Burk, Robert Marsanyi and Ross Bencina + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files + * (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF + * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* + * The text above constitutes the entire PortAudio license; however, + * the PortAudio community also makes the following non-binding requests: + * + * Any person wishing to distribute modifications to the Software is + * requested to send the modifications to the original developer so that + * they can be incorporated into the canonical version. It is also + * requested that these non-binding requests be included along with the + * license above. + */ + +/** + @file + @ingroup hostapi_src +*/ + +#include "pa_win_ds_dynlink.h" +#include "pa_debugprint.h" + +PaWinDsDSoundEntryPoints paWinDsDSoundEntryPoints = { 0, 0, 0, 0, 0, 0, 0 }; + + +static HRESULT WINAPI DummyDllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv) +{ + (void)rclsid; /* unused parameter */ + (void)riid; /* unused parameter */ + (void)ppv; /* unused parameter */ + return CLASS_E_CLASSNOTAVAILABLE; +} + +static HRESULT WINAPI DummyDirectSoundCreate(LPGUID lpcGuidDevice, LPDIRECTSOUND *ppDS, LPUNKNOWN pUnkOuter) +{ + (void)lpcGuidDevice; /* unused parameter */ + (void)ppDS; /* unused parameter */ + (void)pUnkOuter; /* unused parameter */ + return E_NOTIMPL; +} + +static HRESULT WINAPI DummyDirectSoundEnumerateW(LPDSENUMCALLBACKW lpDSEnumCallback, LPVOID lpContext) +{ + (void)lpDSEnumCallback; /* unused parameter */ + (void)lpContext; /* unused parameter */ + return E_NOTIMPL; +} + +static HRESULT WINAPI DummyDirectSoundEnumerateA(LPDSENUMCALLBACKA lpDSEnumCallback, LPVOID lpContext) +{ + (void)lpDSEnumCallback; /* unused parameter */ + (void)lpContext; /* unused parameter */ + return E_NOTIMPL; +} + +static HRESULT WINAPI DummyDirectSoundCaptureCreate(LPGUID lpcGUID, LPDIRECTSOUNDCAPTURE *lplpDSC, LPUNKNOWN pUnkOuter) +{ + (void)lpcGUID; /* unused parameter */ + (void)lplpDSC; /* unused parameter */ + (void)pUnkOuter; /* unused parameter */ + return E_NOTIMPL; +} + +static HRESULT WINAPI DummyDirectSoundCaptureEnumerateW(LPDSENUMCALLBACKW lpDSCEnumCallback, LPVOID lpContext) +{ + (void)lpDSCEnumCallback; /* unused parameter */ + (void)lpContext; /* unused parameter */ + return E_NOTIMPL; +} + +static HRESULT WINAPI DummyDirectSoundCaptureEnumerateA(LPDSENUMCALLBACKA lpDSCEnumCallback, LPVOID lpContext) +{ + (void)lpDSCEnumCallback; /* unused parameter */ + (void)lpContext; /* unused parameter */ + return E_NOTIMPL; +} + +#ifdef PAWIN_USE_DIRECTSOUNDFULLDUPLEXCREATE +static HRESULT WINAPI DummyDirectSoundFullDuplexCreate8( + LPCGUID pcGuidCaptureDevice, + LPCGUID pcGuidRenderDevice, + LPCDSCBUFFERDESC pcDSCBufferDesc, + LPCDSBUFFERDESC pcDSBufferDesc, + HWND hWnd, + DWORD dwLevel, + LPDIRECTSOUNDFULLDUPLEX * ppDSFD, + LPDIRECTSOUNDCAPTUREBUFFER8 * ppDSCBuffer8, + LPDIRECTSOUNDBUFFER8 * ppDSBuffer8, + LPUNKNOWN pUnkOuter) +{ + (void)pcGuidCaptureDevice; /* unused parameter */ + (void)pcGuidRenderDevice; /* unused parameter */ + (void)pcDSCBufferDesc; /* unused parameter */ + (void)pcDSBufferDesc; /* unused parameter */ + (void)hWnd; /* unused parameter */ + (void)dwLevel; /* unused parameter */ + (void)ppDSFD; /* unused parameter */ + (void)ppDSCBuffer8; /* unused parameter */ + (void)ppDSBuffer8; /* unused parameter */ + (void)pUnkOuter; /* unused parameter */ + + return E_NOTIMPL; +} +#endif /* PAWIN_USE_DIRECTSOUNDFULLDUPLEXCREATE */ + +void PaWinDs_InitializeDSoundEntryPoints(void) +{ + paWinDsDSoundEntryPoints.hInstance_ = LoadLibraryA("dsound.dll"); + if( paWinDsDSoundEntryPoints.hInstance_ != NULL ) + { + paWinDsDSoundEntryPoints.DllGetClassObject = + (HRESULT (WINAPI *)(REFCLSID, REFIID , LPVOID *)) + GetProcAddress( paWinDsDSoundEntryPoints.hInstance_, "DllGetClassObject" ); + if( paWinDsDSoundEntryPoints.DllGetClassObject == NULL ) + paWinDsDSoundEntryPoints.DllGetClassObject = DummyDllGetClassObject; + + paWinDsDSoundEntryPoints.DirectSoundCreate = + (HRESULT (WINAPI *)(LPGUID, LPDIRECTSOUND *, LPUNKNOWN)) + GetProcAddress( paWinDsDSoundEntryPoints.hInstance_, "DirectSoundCreate" ); + if( paWinDsDSoundEntryPoints.DirectSoundCreate == NULL ) + paWinDsDSoundEntryPoints.DirectSoundCreate = DummyDirectSoundCreate; + + paWinDsDSoundEntryPoints.DirectSoundEnumerateW = + (HRESULT (WINAPI *)(LPDSENUMCALLBACKW, LPVOID)) + GetProcAddress( paWinDsDSoundEntryPoints.hInstance_, "DirectSoundEnumerateW" ); + if( paWinDsDSoundEntryPoints.DirectSoundEnumerateW == NULL ) + paWinDsDSoundEntryPoints.DirectSoundEnumerateW = DummyDirectSoundEnumerateW; + + paWinDsDSoundEntryPoints.DirectSoundEnumerateA = + (HRESULT (WINAPI *)(LPDSENUMCALLBACKA, LPVOID)) + GetProcAddress( paWinDsDSoundEntryPoints.hInstance_, "DirectSoundEnumerateA" ); + if( paWinDsDSoundEntryPoints.DirectSoundEnumerateA == NULL ) + paWinDsDSoundEntryPoints.DirectSoundEnumerateA = DummyDirectSoundEnumerateA; + + paWinDsDSoundEntryPoints.DirectSoundCaptureCreate = + (HRESULT (WINAPI *)(LPGUID, LPDIRECTSOUNDCAPTURE *, LPUNKNOWN)) + GetProcAddress( paWinDsDSoundEntryPoints.hInstance_, "DirectSoundCaptureCreate" ); + if( paWinDsDSoundEntryPoints.DirectSoundCaptureCreate == NULL ) + paWinDsDSoundEntryPoints.DirectSoundCaptureCreate = DummyDirectSoundCaptureCreate; + + paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateW = + (HRESULT (WINAPI *)(LPDSENUMCALLBACKW, LPVOID)) + GetProcAddress( paWinDsDSoundEntryPoints.hInstance_, "DirectSoundCaptureEnumerateW" ); + if( paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateW == NULL ) + paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateW = DummyDirectSoundCaptureEnumerateW; + + paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateA = + (HRESULT (WINAPI *)(LPDSENUMCALLBACKA, LPVOID)) + GetProcAddress( paWinDsDSoundEntryPoints.hInstance_, "DirectSoundCaptureEnumerateA" ); + if( paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateA == NULL ) + paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateA = DummyDirectSoundCaptureEnumerateA; + +#ifdef PAWIN_USE_DIRECTSOUNDFULLDUPLEXCREATE + paWinDsDSoundEntryPoints.DirectSoundFullDuplexCreate8 = + (HRESULT (WINAPI *)(LPCGUID, LPCGUID, LPCDSCBUFFERDESC, LPCDSBUFFERDESC, + HWND, DWORD, LPDIRECTSOUNDFULLDUPLEX *, LPDIRECTSOUNDCAPTUREBUFFER8 *, + LPDIRECTSOUNDBUFFER8 *, LPUNKNOWN)) + GetProcAddress( paWinDsDSoundEntryPoints.hInstance_, "DirectSoundFullDuplexCreate" ); + if( paWinDsDSoundEntryPoints.DirectSoundFullDuplexCreate8 == NULL ) + paWinDsDSoundEntryPoints.DirectSoundFullDuplexCreate8 = DummyDirectSoundFullDuplexCreate8; +#endif + } + else + { + DWORD errorCode = GetLastError(); // 126 (0x7E) == ERROR_MOD_NOT_FOUND + PA_DEBUG(("Couldn't load dsound.dll error code: %d \n",errorCode)); + + /* initialize with dummy entry points to make live easy when ds isn't present */ + paWinDsDSoundEntryPoints.DirectSoundCreate = DummyDirectSoundCreate; + paWinDsDSoundEntryPoints.DirectSoundEnumerateW = DummyDirectSoundEnumerateW; + paWinDsDSoundEntryPoints.DirectSoundEnumerateA = DummyDirectSoundEnumerateA; + paWinDsDSoundEntryPoints.DirectSoundCaptureCreate = DummyDirectSoundCaptureCreate; + paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateW = DummyDirectSoundCaptureEnumerateW; + paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateA = DummyDirectSoundCaptureEnumerateA; +#ifdef PAWIN_USE_DIRECTSOUNDFULLDUPLEXCREATE + paWinDsDSoundEntryPoints.DirectSoundFullDuplexCreate8 = DummyDirectSoundFullDuplexCreate8; +#endif + } +} + + +void PaWinDs_TerminateDSoundEntryPoints(void) +{ + if( paWinDsDSoundEntryPoints.hInstance_ != NULL ) + { + /* ensure that we crash reliably if the entry points aren't initialised */ + paWinDsDSoundEntryPoints.DirectSoundCreate = 0; + paWinDsDSoundEntryPoints.DirectSoundEnumerateW = 0; + paWinDsDSoundEntryPoints.DirectSoundEnumerateA = 0; + paWinDsDSoundEntryPoints.DirectSoundCaptureCreate = 0; + paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateW = 0; + paWinDsDSoundEntryPoints.DirectSoundCaptureEnumerateA = 0; + + FreeLibrary( paWinDsDSoundEntryPoints.hInstance_ ); + paWinDsDSoundEntryPoints.hInstance_ = NULL; + } +} |