Sweden-Number/dlls/windows.media.devices/main.c

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/*
* Copyright 2021 Andrew Eikum for CodeWeavers
* Copyright 2021 Rémi Bernon for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#define COBJMACROS
#include "initguid.h"
#include "windef.h"
#include "winbase.h"
#include "winstring.h"
#include "wine/debug.h"
#include "wine/heap.h"
#include "objbase.h"
#include "activation.h"
#include "mmdeviceapi.h"
#define WIDL_using_Windows_Foundation
#define WIDL_using_Windows_Foundation_Collections
#include "windows.foundation.h"
#define WIDL_using_Windows_Media_Devices
#include "windows.media.devices.h"
WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
static const char *debugstr_hstring(HSTRING hstr)
{
const WCHAR *str;
UINT32 len;
if (hstr && !((ULONG_PTR)hstr >> 16)) return "(invalid)";
str = WindowsGetStringRawBuffer(hstr, &len);
return wine_dbgstr_wn(str, len);
}
static ERole AudioDeviceRole_to_ERole(AudioDeviceRole role)
{
switch(role){
case AudioDeviceRole_Communications:
return eCommunications;
default:
return eMultimedia;
}
}
struct windows_media_devices
{
IActivationFactory IActivationFactory_iface;
IMediaDeviceStatics IMediaDeviceStatics_iface;
LONG ref;
};
static inline struct windows_media_devices *impl_from_IActivationFactory(IActivationFactory *iface)
{
return CONTAINING_RECORD(iface, struct windows_media_devices, IActivationFactory_iface);
}
static inline struct windows_media_devices *impl_from_IMediaDeviceStatics(IMediaDeviceStatics *iface)
{
return CONTAINING_RECORD(iface, struct windows_media_devices, IMediaDeviceStatics_iface);
}
static HRESULT STDMETHODCALLTYPE windows_media_devices_QueryInterface(
IActivationFactory *iface, REFIID iid, void **out)
{
struct windows_media_devices *impl = impl_from_IActivationFactory(iface);
TRACE("iface %p, iid %s, out %p\n", iface, debugstr_guid(iid), out);
if (IsEqualGUID(iid, &IID_IUnknown) ||
IsEqualGUID(iid, &IID_IInspectable) ||
IsEqualGUID(iid, &IID_IAgileObject) ||
IsEqualGUID(iid, &IID_IActivationFactory))
{
IUnknown_AddRef(iface);
*out = iface;
return S_OK;
}
if (IsEqualGUID(iid, &IID_IMediaDeviceStatics))
{
IUnknown_AddRef(iface);
*out = &impl->IMediaDeviceStatics_iface;
return S_OK;
}
FIXME("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
*out = NULL;
return E_NOINTERFACE;
}
static ULONG STDMETHODCALLTYPE windows_media_devices_AddRef(
IActivationFactory *iface)
{
struct windows_media_devices *impl = impl_from_IActivationFactory(iface);
ULONG ref = InterlockedIncrement(&impl->ref);
TRACE("iface %p, ref %lu.\n", iface, ref);
return ref;
}
static ULONG STDMETHODCALLTYPE windows_media_devices_Release(
IActivationFactory *iface)
{
struct windows_media_devices *impl = impl_from_IActivationFactory(iface);
ULONG ref = InterlockedDecrement(&impl->ref);
TRACE("iface %p, ref %lu.\n", iface, ref);
return ref;
}
static HRESULT STDMETHODCALLTYPE windows_media_devices_GetIids(
IActivationFactory *iface, ULONG *iid_count, IID **iids)
{
FIXME("iface %p, iid_count %p, iids %p stub!\n", iface, iid_count, iids);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE windows_media_devices_GetRuntimeClassName(
IActivationFactory *iface, HSTRING *class_name)
{
FIXME("iface %p, class_name %p stub!\n", iface, class_name);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE windows_media_devices_GetTrustLevel(
IActivationFactory *iface, TrustLevel *trust_level)
{
FIXME("iface %p, trust_level %p stub!\n", iface, trust_level);
return E_NOTIMPL;
}
static HRESULT STDMETHODCALLTYPE windows_media_devices_ActivateInstance(
IActivationFactory *iface, IInspectable **instance)
{
FIXME("iface %p, instance %p stub!\n", iface, instance);
return E_NOTIMPL;
}
static const struct IActivationFactoryVtbl activation_factory_vtbl =
{
windows_media_devices_QueryInterface,
windows_media_devices_AddRef,
windows_media_devices_Release,
/* IInspectable methods */
windows_media_devices_GetIids,
windows_media_devices_GetRuntimeClassName,
windows_media_devices_GetTrustLevel,
/* IActivationFactory methods */
windows_media_devices_ActivateInstance,
};
static HRESULT get_default_device_id(EDataFlow direction, AudioDeviceRole role, HSTRING *device_id_hstr)
{
HRESULT hr;
WCHAR *devid, *s;
IMMDevice *dev;
IMMDeviceEnumerator *devenum;
ERole mmdev_role = AudioDeviceRole_to_ERole(role);
static const WCHAR id_fmt_pre[] = L"\\\\?\\SWD#MMDEVAPI#";
static const WCHAR id_fmt_hash[] = L"#";
static const size_t GUID_STR_LEN = 38; /* == strlen("{00000000-0000-0000-0000-000000000000}") */
*device_id_hstr = NULL;
hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL,
CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, (void**)&devenum);
if (FAILED(hr))
{
WARN("Failed to create MMDeviceEnumerator: %08lx\n", hr);
return hr;
}
hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(devenum, direction, mmdev_role, &dev);
if (FAILED(hr))
{
WARN("GetDefaultAudioEndpoint failed: %08lx\n", hr);
IMMDeviceEnumerator_Release(devenum);
return hr;
}
hr = IMMDevice_GetId(dev, &devid);
if (FAILED(hr))
{
WARN("GetId failed: %08lx\n", hr);
IMMDevice_Release(dev);
IMMDeviceEnumerator_Release(devenum);
return hr;
}
s = heap_alloc((sizeof(id_fmt_pre) - sizeof(WCHAR)) +
(sizeof(id_fmt_hash) - sizeof(WCHAR)) +
(wcslen(devid) + GUID_STR_LEN + 1 /* nul */) * sizeof(WCHAR));
wcscpy(s, id_fmt_pre);
wcscat(s, devid);
wcscat(s, id_fmt_hash);
if(direction == eRender)
StringFromGUID2(&DEVINTERFACE_AUDIO_RENDER, s + wcslen(s), GUID_STR_LEN + 1);
else
StringFromGUID2(&DEVINTERFACE_AUDIO_CAPTURE, s + wcslen(s), GUID_STR_LEN + 1);
hr = WindowsCreateString(s, wcslen(s), device_id_hstr);
if (FAILED(hr))
WARN("WindowsCreateString failed: %08lx\n", hr);
heap_free(s);
CoTaskMemFree(devid);
IMMDevice_Release(dev);
IMMDeviceEnumerator_Release(devenum);
return hr;
}
static HRESULT WINAPI media_device_statics_QueryInterface(IMediaDeviceStatics *iface,
REFIID riid, void **ppvObject)
{
struct windows_media_devices *This = impl_from_IMediaDeviceStatics(iface);
return windows_media_devices_QueryInterface(&This->IActivationFactory_iface, riid, ppvObject);
}
static ULONG WINAPI media_device_statics_AddRef(IMediaDeviceStatics *iface)
{
struct windows_media_devices *This = impl_from_IMediaDeviceStatics(iface);
return windows_media_devices_AddRef(&This->IActivationFactory_iface);
}
static ULONG WINAPI media_device_statics_Release(IMediaDeviceStatics *iface)
{
struct windows_media_devices *This = impl_from_IMediaDeviceStatics(iface);
return windows_media_devices_Release(&This->IActivationFactory_iface);
}
static HRESULT WINAPI media_device_statics_GetIids(IMediaDeviceStatics *iface,
ULONG *iidCount, IID **iids)
{
struct windows_media_devices *This = impl_from_IMediaDeviceStatics(iface);
return windows_media_devices_GetIids(&This->IActivationFactory_iface, iidCount, iids);
}
static HRESULT WINAPI media_device_statics_GetRuntimeClassName(IMediaDeviceStatics *iface,
HSTRING *className)
{
struct windows_media_devices *This = impl_from_IMediaDeviceStatics(iface);
return windows_media_devices_GetRuntimeClassName(&This->IActivationFactory_iface, className);
}
static HRESULT WINAPI media_device_statics_GetTrustLevel(IMediaDeviceStatics *iface,
TrustLevel *trustLevel)
{
struct windows_media_devices *This = impl_from_IMediaDeviceStatics(iface);
return windows_media_devices_GetTrustLevel(&This->IActivationFactory_iface, trustLevel);
}
static HRESULT WINAPI media_device_statics_GetAudioCaptureSelector(IMediaDeviceStatics *iface,
HSTRING *value)
{
FIXME("iface %p, value %p stub!\n", iface, value);
return E_NOTIMPL;
}
static HRESULT WINAPI media_device_statics_GetAudioRenderSelector(IMediaDeviceStatics *iface,
HSTRING *value)
{
FIXME("iface %p, value %p stub!\n", iface, value);
return E_NOTIMPL;
}
static HRESULT WINAPI media_device_statics_GetVideoCaptureSelector(IMediaDeviceStatics *iface,
HSTRING *value)
{
FIXME("iface %p, value %p stub!\n", iface, value);
return E_NOTIMPL;
}
static HRESULT WINAPI media_device_statics_GetDefaultAudioCaptureId(IMediaDeviceStatics *iface,
AudioDeviceRole role, HSTRING *value)
{
TRACE("iface %p, role 0x%x, value %p\n", iface, role, value);
return get_default_device_id(eCapture, role, value);
}
static HRESULT WINAPI media_device_statics_GetDefaultAudioRenderId(IMediaDeviceStatics *iface,
AudioDeviceRole role, HSTRING *value)
{
TRACE("iface %p, role 0x%x, value %p\n", iface, role, value);
return get_default_device_id(eRender, role, value);
}
static HRESULT WINAPI media_device_statics_add_DefaultAudioCaptureDeviceChanged(
IMediaDeviceStatics *iface,
ITypedEventHandler_IInspectable_DefaultAudioCaptureDeviceChangedEventArgs *handler,
EventRegistrationToken *token)
{
FIXME("iface %p, handler %p token %p stub!\n", iface, handler, token);
if(!token)
return E_POINTER;
token->value = 1;
return S_OK;
}
static HRESULT WINAPI media_device_statics_remove_DefaultAudioCaptureDeviceChanged(
IMediaDeviceStatics *iface,
EventRegistrationToken token)
{
FIXME("iface %p, token %#I64x stub!\n", iface, token.value);
return S_OK;
}
static HRESULT WINAPI media_device_statics_add_DefaultAudioRenderDeviceChanged(
IMediaDeviceStatics *iface,
ITypedEventHandler_IInspectable_DefaultAudioRenderDeviceChangedEventArgs *handler,
EventRegistrationToken *token)
{
FIXME("iface %p, handler %p token %p stub!\n", iface, handler, token);
if(!token)
return E_POINTER;
token->value = 1;
return S_OK;
}
static HRESULT WINAPI media_device_statics_remove_DefaultAudioRenderDeviceChanged(
IMediaDeviceStatics *iface,
EventRegistrationToken token)
{
FIXME("iface %p, token %#I64x stub!\n", iface, token.value);
return S_OK;
}
static IMediaDeviceStaticsVtbl media_device_statics_vtbl = {
media_device_statics_QueryInterface,
media_device_statics_AddRef,
media_device_statics_Release,
media_device_statics_GetIids,
media_device_statics_GetRuntimeClassName,
media_device_statics_GetTrustLevel,
media_device_statics_GetAudioCaptureSelector,
media_device_statics_GetAudioRenderSelector,
media_device_statics_GetVideoCaptureSelector,
media_device_statics_GetDefaultAudioCaptureId,
media_device_statics_GetDefaultAudioRenderId,
media_device_statics_add_DefaultAudioCaptureDeviceChanged,
media_device_statics_remove_DefaultAudioCaptureDeviceChanged,
media_device_statics_add_DefaultAudioRenderDeviceChanged,
media_device_statics_remove_DefaultAudioRenderDeviceChanged,
};
static struct windows_media_devices windows_media_devices =
{
{&activation_factory_vtbl},
{&media_device_statics_vtbl},
1
};
HRESULT WINAPI DllGetClassObject(REFCLSID clsid, REFIID riid, void **out)
{
FIXME("clsid %s, riid %s, out %p stub!\n", debugstr_guid(clsid), debugstr_guid(riid), out);
return CLASS_E_CLASSNOTAVAILABLE;
}
HRESULT WINAPI DllGetActivationFactory(HSTRING classid, IActivationFactory **factory)
{
TRACE("classid %s, factory %p.\n", debugstr_hstring(classid), factory);
*factory = &windows_media_devices.IActivationFactory_iface;
IUnknown_AddRef(*factory);
return S_OK;
}