Sweden-Number/dlls/qcap/audiorecord.c

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/* Implementation of the Audio Capture Filter (CLSID_AudioRecord)
*
* Copyright 2015 Damjan Jovanovic
*
* 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 "qcap_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(qcap);
typedef struct {
struct strmbase_filter filter;
IPersistPropertyBag IPersistPropertyBag_iface;
} AudioRecord;
static inline AudioRecord *impl_from_strmbase_filter(struct strmbase_filter *filter)
{
return CONTAINING_RECORD(filter, AudioRecord, filter);
}
static inline AudioRecord *impl_from_IPersistPropertyBag(IPersistPropertyBag *iface)
{
return CONTAINING_RECORD(iface, AudioRecord, IPersistPropertyBag_iface);
}
static struct strmbase_pin *audio_record_get_pin(struct strmbase_filter *iface, unsigned int index)
{
FIXME("iface %p, index %u, stub!\n", iface, index);
return NULL;
}
static void audio_record_destroy(struct strmbase_filter *iface)
{
AudioRecord *filter = impl_from_strmbase_filter(iface);
strmbase_filter_cleanup(&filter->filter);
CoTaskMemFree(filter);
}
static HRESULT audio_record_query_interface(struct strmbase_filter *iface, REFIID iid, void **out)
{
AudioRecord *filter = impl_from_strmbase_filter(iface);
if (IsEqualGUID(iid, &IID_IPersistPropertyBag))
*out = &filter->IPersistPropertyBag_iface;
else
return E_NOINTERFACE;
IUnknown_AddRef((IUnknown *)*out);
return S_OK;
}
static const struct strmbase_filter_ops filter_ops =
{
.filter_get_pin = audio_record_get_pin,
.filter_destroy = audio_record_destroy,
.filter_query_interface = audio_record_query_interface,
};
static HRESULT WINAPI PPB_QueryInterface(IPersistPropertyBag *iface, REFIID riid, LPVOID *ppv)
{
AudioRecord *This = impl_from_IPersistPropertyBag(iface);
return IUnknown_QueryInterface(This->filter.outer_unk, riid, ppv);
}
static ULONG WINAPI PPB_AddRef(IPersistPropertyBag *iface)
{
AudioRecord *This = impl_from_IPersistPropertyBag(iface);
return IUnknown_AddRef(This->filter.outer_unk);
}
static ULONG WINAPI PPB_Release(IPersistPropertyBag *iface)
{
AudioRecord *This = impl_from_IPersistPropertyBag(iface);
return IUnknown_Release(This->filter.outer_unk);
}
static HRESULT WINAPI PPB_GetClassID(IPersistPropertyBag *iface, CLSID *pClassID)
{
AudioRecord *This = impl_from_IPersistPropertyBag(iface);
TRACE("(%p/%p)->(%p)\n", iface, This, pClassID);
return IBaseFilter_GetClassID(&This->filter.IBaseFilter_iface, pClassID);
}
static HRESULT WINAPI PPB_InitNew(IPersistPropertyBag *iface)
{
AudioRecord *This = impl_from_IPersistPropertyBag(iface);
FIXME("(%p/%p)->(): stub\n", iface, This);
return E_NOTIMPL;
}
static HRESULT WINAPI PPB_Load(IPersistPropertyBag *iface, IPropertyBag *pPropBag,
IErrorLog *pErrorLog)
{
AudioRecord *This = impl_from_IPersistPropertyBag(iface);
HRESULT hr;
VARIANT var;
static const WCHAR WaveInIDW[] = {'W','a','v','e','I','n','I','D',0};
TRACE("(%p/%p)->(%p, %p)\n", iface, This, pPropBag, pErrorLog);
V_VT(&var) = VT_I4;
hr = IPropertyBag_Read(pPropBag, WaveInIDW, &var, pErrorLog);
if (SUCCEEDED(hr))
{
FIXME("FIXME: implement opening waveIn device %d\n", V_I4(&var));
}
return hr;
}
static HRESULT WINAPI PPB_Save(IPersistPropertyBag *iface, IPropertyBag *pPropBag,
BOOL fClearDirty, BOOL fSaveAllProperties)
{
AudioRecord *This = impl_from_IPersistPropertyBag(iface);
FIXME("(%p/%p)->(%p, %u, %u): stub\n", iface, This, pPropBag, fClearDirty, fSaveAllProperties);
return E_NOTIMPL;
}
static const IPersistPropertyBagVtbl PersistPropertyBagVtbl =
{
PPB_QueryInterface,
PPB_AddRef,
PPB_Release,
PPB_GetClassID,
PPB_InitNew,
PPB_Load,
PPB_Save
};
HRESULT audio_record_create(IUnknown *outer, IUnknown **out)
{
AudioRecord *object;
if (!(object = CoTaskMemAlloc(sizeof(*object))))
return E_OUTOFMEMORY;
memset(object, 0, sizeof(*object));
object->IPersistPropertyBag_iface.lpVtbl = &PersistPropertyBagVtbl;
strmbase_filter_init(&object->filter, outer, &CLSID_AudioRecord, &filter_ops);
TRACE("Created audio recorder %p.\n", object);
*out = &object->filter.IUnknown_inner;
return S_OK;
}