Sweden-Number/dlls/amstream/audiodata.c

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/*
* Implementation of IAudioData Interface
*
* Copyright 2012 Christian Costa
*
* 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 "wine/debug.h"
#define COBJMACROS
#include "winbase.h"
#include "amstream_private.h"
#include "amstream.h"
WINE_DEFAULT_DEBUG_CHANNEL(amstream);
typedef struct {
IAudioData IAudioData_iface;
LONG ref;
} AMAudioDataImpl;
static inline AMAudioDataImpl *impl_from_IAudioData(IAudioData *iface)
{
return CONTAINING_RECORD(iface, AMAudioDataImpl, IAudioData_iface);
}
/*** IUnknown methods ***/
static HRESULT WINAPI IAudioDataImpl_QueryInterface(IAudioData *iface, REFIID riid, void **ret_iface)
{
TRACE("(%p)->(%s,%p)\n", iface, debugstr_guid(riid), ret_iface);
if (IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_IMemoryData) ||
IsEqualGUID(riid, &IID_IAudioData))
{
IAudioData_AddRef(iface);
*ret_iface = iface;
return S_OK;
}
ERR("(%p)->(%s,%p),not found\n", iface, debugstr_guid(riid), ret_iface);
return E_NOINTERFACE;
}
static ULONG WINAPI IAudioDataImpl_AddRef(IAudioData* iface)
{
AMAudioDataImpl *This = impl_from_IAudioData(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(): new ref = %u\n", iface, This->ref);
return ref;
}
static ULONG WINAPI IAudioDataImpl_Release(IAudioData* iface)
{
AMAudioDataImpl *This = impl_from_IAudioData(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(): new ref = %u\n", iface, This->ref);
if (!ref)
HeapFree(GetProcessHeap(), 0, This);
return ref;
}
/*** IMemoryData methods ***/
static HRESULT WINAPI IAudioDataImpl_SetBuffer(IAudioData* iface, DWORD size, BYTE *data, DWORD flags)
{
FIXME("(%p)->(%u,%p,%x): stub\n", iface, size, data, flags);
return E_NOTIMPL;
}
static HRESULT WINAPI IAudioDataImpl_GetInfo(IAudioData* iface, DWORD *length, BYTE **data, DWORD *actual_data)
{
FIXME("(%p)->(%p,%p,%p): stub\n", iface, length, data, actual_data);
return E_NOTIMPL;
}
static HRESULT WINAPI IAudioDataImpl_SetActual(IAudioData* iface, DWORD data_valid)
{
FIXME("(%p)->(%u): stub\n", iface, data_valid);
return E_NOTIMPL;
}
/*** IAudioData methods ***/
static HRESULT WINAPI IAudioDataImpl_GetFormat(IAudioData* iface, WAVEFORMATEX *wave_format_current)
{
FIXME("(%p)->(%p): stub\n", iface, wave_format_current);
return E_NOTIMPL;
}
static HRESULT WINAPI IAudioDataImpl_SetFormat(IAudioData* iface, const WAVEFORMATEX *wave_format)
{
FIXME("(%p)->(%p): stub\n", iface, wave_format);
return E_NOTIMPL;
}
static const struct IAudioDataVtbl AudioData_Vtbl =
{
/*** IUnknown methods ***/
IAudioDataImpl_QueryInterface,
IAudioDataImpl_AddRef,
IAudioDataImpl_Release,
/*** IMemoryData methods ***/
IAudioDataImpl_SetBuffer,
IAudioDataImpl_GetInfo,
IAudioDataImpl_SetActual,
/*** IAudioData methods ***/
IAudioDataImpl_GetFormat,
IAudioDataImpl_SetFormat
};
HRESULT AMAudioData_create(IUnknown *pUnkOuter, LPVOID *ppObj)
{
AMAudioDataImpl *object;
TRACE("(%p,%p)\n", pUnkOuter, ppObj);
if (pUnkOuter)
return CLASS_E_NOAGGREGATION;
object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(AMAudioDataImpl));
if (!object)
{
ERR("Out of memory\n");
return E_OUTOFMEMORY;
}
object->IAudioData_iface.lpVtbl = &AudioData_Vtbl;
object->ref = 1;
*ppObj = &object->IAudioData_iface;
return S_OK;
}