Sweden-Number/dlls/windowscodecs/metadatahandler.c

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/*
* Copyright 2012 Vincent Povirk 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 "config.h"
#include <stdarg.h>
#define COBJMACROS
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "wincodec.h"
#include "wincodecsdk.h"
#include "wincodecs_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
typedef struct MetadataHandler {
IWICMetadataWriter IWICMetadataWriter_iface;
LONG ref;
IWICPersistStream IWICPersistStream_iface;
const MetadataHandlerVtbl *vtable;
MetadataItem *items;
DWORD item_count;
CRITICAL_SECTION lock;
} MetadataHandler;
static inline MetadataHandler *impl_from_IWICMetadataWriter(IWICMetadataWriter *iface)
{
return CONTAINING_RECORD(iface, MetadataHandler, IWICMetadataWriter_iface);
}
static inline MetadataHandler *impl_from_IWICPersistStream(IWICPersistStream *iface)
{
return CONTAINING_RECORD(iface, MetadataHandler, IWICPersistStream_iface);
}
static void MetadataHandler_FreeItems(MetadataHandler *This)
{
int i;
for (i=0; i<This->item_count; i++)
{
PropVariantClear(&This->items[i].schema);
PropVariantClear(&This->items[i].id);
PropVariantClear(&This->items[i].value);
}
HeapFree(GetProcessHeap(), 0, This->items);
}
static HRESULT MetadataHandlerEnum_Create(MetadataHandler *parent, DWORD index,
IWICEnumMetadataItem **ppIEnumMetadataItem);
static HRESULT WINAPI MetadataHandler_QueryInterface(IWICMetadataWriter *iface, REFIID iid,
void **ppv)
{
MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
if (IsEqualIID(&IID_IUnknown, iid) ||
IsEqualIID(&IID_IWICMetadataReader, iid) ||
(IsEqualIID(&IID_IWICMetadataWriter, iid) && This->vtable->is_writer))
{
*ppv = &This->IWICMetadataWriter_iface;
}
else if (IsEqualIID(&IID_IPersist, iid) ||
IsEqualIID(&IID_IPersistStream, iid) ||
IsEqualIID(&IID_IWICPersistStream, iid))
{
*ppv = &This->IWICPersistStream_iface;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI MetadataHandler_AddRef(IWICMetadataWriter *iface)
{
MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
return ref;
}
static ULONG WINAPI MetadataHandler_Release(IWICMetadataWriter *iface)
{
MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
if (ref == 0)
{
MetadataHandler_FreeItems(This);
This->lock.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&This->lock);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT WINAPI MetadataHandler_GetMetadataFormat(IWICMetadataWriter *iface,
GUID *pguidMetadataFormat)
{
FIXME("(%p,%s): stub\n", iface, debugstr_guid(pguidMetadataFormat));
return E_NOTIMPL;
}
static HRESULT WINAPI MetadataHandler_GetMetadataHandlerInfo(IWICMetadataWriter *iface,
IWICMetadataHandlerInfo **ppIHandler)
{
FIXME("(%p,%p): stub\n", iface, ppIHandler);
return E_NOTIMPL;
}
static HRESULT WINAPI MetadataHandler_GetCount(IWICMetadataWriter *iface,
UINT *pcCount)
{
FIXME("(%p,%p): stub\n", iface, pcCount);
return E_NOTIMPL;
}
static HRESULT WINAPI MetadataHandler_GetValueByIndex(IWICMetadataWriter *iface,
UINT nIndex, PROPVARIANT *pvarSchema, PROPVARIANT *pvarId, PROPVARIANT *pvarValue)
{
FIXME("(%p,%u,%p,%p,%p): stub\n", iface, nIndex, pvarSchema, pvarId, pvarValue);
return E_NOTIMPL;
}
static HRESULT WINAPI MetadataHandler_GetValue(IWICMetadataWriter *iface,
const PROPVARIANT *pvarSchema, const PROPVARIANT *pvarId, PROPVARIANT *pvarValue)
{
FIXME("(%p,%p,%p,%p): stub\n", iface, pvarSchema, pvarId, pvarValue);
return E_NOTIMPL;
}
static HRESULT WINAPI MetadataHandler_GetEnumerator(IWICMetadataWriter *iface,
IWICEnumMetadataItem **ppIEnumMetadata)
{
MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
TRACE("(%p,%p)\n", iface, ppIEnumMetadata);
return MetadataHandlerEnum_Create(This, 0, ppIEnumMetadata);
}
static HRESULT WINAPI MetadataHandler_SetValue(IWICMetadataWriter *iface,
const PROPVARIANT *pvarSchema, const PROPVARIANT *pvarId, const PROPVARIANT *pvarValue)
{
FIXME("(%p,%p,%p,%p): stub\n", iface, pvarSchema, pvarId, pvarValue);
return E_NOTIMPL;
}
static HRESULT WINAPI MetadataHandler_SetValueByIndex(IWICMetadataWriter *iface,
UINT nIndex, const PROPVARIANT *pvarSchema, const PROPVARIANT *pvarId, const PROPVARIANT *pvarValue)
{
FIXME("(%p,%u,%p,%p,%p): stub\n", iface, nIndex, pvarSchema, pvarId, pvarValue);
return E_NOTIMPL;
}
static HRESULT WINAPI MetadataHandler_RemoveValue(IWICMetadataWriter *iface,
const PROPVARIANT *pvarSchema, const PROPVARIANT *pvarId)
{
FIXME("(%p,%p,%p): stub\n", iface, pvarSchema, pvarId);
return E_NOTIMPL;
}
static HRESULT WINAPI MetadataHandler_RemoveValueByIndex(IWICMetadataWriter *iface,
UINT nIndex)
{
FIXME("(%p,%u): stub\n", iface, nIndex);
return E_NOTIMPL;
}
static const IWICMetadataWriterVtbl MetadataHandler_Vtbl = {
MetadataHandler_QueryInterface,
MetadataHandler_AddRef,
MetadataHandler_Release,
MetadataHandler_GetMetadataFormat,
MetadataHandler_GetMetadataHandlerInfo,
MetadataHandler_GetCount,
MetadataHandler_GetValueByIndex,
MetadataHandler_GetValue,
MetadataHandler_GetEnumerator,
MetadataHandler_SetValue,
MetadataHandler_SetValueByIndex,
MetadataHandler_RemoveValue,
MetadataHandler_RemoveValueByIndex
};
static HRESULT WINAPI MetadataHandler_PersistStream_QueryInterface(IWICPersistStream *iface,
REFIID iid, void **ppv)
{
MetadataHandler *This = impl_from_IWICPersistStream(iface);
return IWICMetadataWriter_QueryInterface(&This->IWICMetadataWriter_iface, iid, ppv);
}
static ULONG WINAPI MetadataHandler_PersistStream_AddRef(IWICPersistStream *iface)
{
MetadataHandler *This = impl_from_IWICPersistStream(iface);
return IWICMetadataWriter_AddRef(&This->IWICMetadataWriter_iface);
}
static ULONG WINAPI MetadataHandler_PersistStream_Release(IWICPersistStream *iface)
{
MetadataHandler *This = impl_from_IWICPersistStream(iface);
return IWICMetadataWriter_Release(&This->IWICMetadataWriter_iface);
}
static HRESULT WINAPI MetadataHandler_GetClassID(IWICPersistStream *iface,
CLSID *pClassID)
{
FIXME("(%p,%p): stub\n", iface, pClassID);
return E_NOTIMPL;
}
static HRESULT WINAPI MetadataHandler_IsDirty(IWICPersistStream *iface)
{
FIXME("(%p): stub\n", iface);
return E_NOTIMPL;
}
static HRESULT WINAPI MetadataHandler_Load(IWICPersistStream *iface,
IStream *pStm)
{
FIXME("(%p,%p): stub\n", iface, pStm);
return E_NOTIMPL;
}
static HRESULT WINAPI MetadataHandler_Save(IWICPersistStream *iface,
IStream *pStm, BOOL fClearDirty)
{
FIXME("(%p,%p,%i): stub\n", iface, pStm, fClearDirty);
return E_NOTIMPL;
}
static HRESULT WINAPI MetadataHandler_GetSizeMax(IWICPersistStream *iface,
ULARGE_INTEGER *pcbSize)
{
FIXME("(%p,%p): stub\n", iface, pcbSize);
return E_NOTIMPL;
}
static HRESULT WINAPI MetadataHandler_LoadEx(IWICPersistStream *iface,
IStream *pIStream, const GUID *pguidPreferredVendor, DWORD dwPersistOptions)
{
MetadataHandler *This = impl_from_IWICPersistStream(iface);
HRESULT hr;
MetadataItem *new_items=NULL;
DWORD item_count=0;
TRACE("(%p,%p,%s,%x)\n", iface, pIStream, debugstr_guid(pguidPreferredVendor), dwPersistOptions);
EnterCriticalSection(&This->lock);
hr = This->vtable->fnLoad(pIStream, pguidPreferredVendor, dwPersistOptions,
&new_items, &item_count);
if (SUCCEEDED(hr))
{
MetadataHandler_FreeItems(This);
This->items = new_items;
This->item_count = item_count;
}
LeaveCriticalSection(&This->lock);
return hr;
}
static HRESULT WINAPI MetadataHandler_SaveEx(IWICPersistStream *iface,
IStream *pIStream, DWORD dwPersistOptions, BOOL fClearDirty)
{
FIXME("(%p,%p,%x,%i): stub\n", iface, pIStream, dwPersistOptions, fClearDirty);
return E_NOTIMPL;
}
static const IWICPersistStreamVtbl MetadataHandler_PersistStream_Vtbl = {
MetadataHandler_PersistStream_QueryInterface,
MetadataHandler_PersistStream_AddRef,
MetadataHandler_PersistStream_Release,
MetadataHandler_GetClassID,
MetadataHandler_IsDirty,
MetadataHandler_Load,
MetadataHandler_Save,
MetadataHandler_GetSizeMax,
MetadataHandler_LoadEx,
MetadataHandler_SaveEx
};
HRESULT MetadataReader_Create(const MetadataHandlerVtbl *vtable, IUnknown *pUnkOuter, REFIID iid, void** ppv)
{
MetadataHandler *This;
HRESULT hr;
TRACE("%s\n", debugstr_guid(vtable->clsid));
*ppv = NULL;
if (pUnkOuter) return CLASS_E_NOAGGREGATION;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(MetadataHandler));
if (!This) return E_OUTOFMEMORY;
This->IWICMetadataWriter_iface.lpVtbl = &MetadataHandler_Vtbl;
This->IWICPersistStream_iface.lpVtbl = &MetadataHandler_PersistStream_Vtbl;
This->ref = 1;
This->vtable = vtable;
This->items = NULL;
This->item_count = 0;
InitializeCriticalSection(&This->lock);
This->lock.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MetadataHandler.lock");
hr = IWICMetadataWriter_QueryInterface(&This->IWICMetadataWriter_iface, iid, ppv);
IWICMetadataWriter_Release(&This->IWICMetadataWriter_iface);
return hr;
}
typedef struct MetadataHandlerEnum {
IWICEnumMetadataItem IWICEnumMetadataItem_iface;
LONG ref;
MetadataHandler *parent;
DWORD index;
} MetadataHandlerEnum;
static inline MetadataHandlerEnum *impl_from_IWICEnumMetadataItem(IWICEnumMetadataItem *iface)
{
return CONTAINING_RECORD(iface, MetadataHandlerEnum, IWICEnumMetadataItem_iface);
}
static HRESULT WINAPI MetadataHandlerEnum_QueryInterface(IWICEnumMetadataItem *iface, REFIID iid,
void **ppv)
{
MetadataHandlerEnum *This = impl_from_IWICEnumMetadataItem(iface);
TRACE("(%p,%s,%p)\n", iface, debugstr_guid(iid), ppv);
if (!ppv) return E_INVALIDARG;
if (IsEqualIID(&IID_IUnknown, iid) ||
IsEqualIID(&IID_IWICEnumMetadataItem, iid))
{
*ppv = &This->IWICEnumMetadataItem_iface;
}
else
{
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI MetadataHandlerEnum_AddRef(IWICEnumMetadataItem *iface)
{
MetadataHandlerEnum *This = impl_from_IWICEnumMetadataItem(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
return ref;
}
static ULONG WINAPI MetadataHandlerEnum_Release(IWICEnumMetadataItem *iface)
{
MetadataHandlerEnum *This = impl_from_IWICEnumMetadataItem(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) refcount=%u\n", iface, ref);
if (ref == 0)
{
IWICMetadataWriter_Release(&This->parent->IWICMetadataWriter_iface);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT WINAPI MetadataHandlerEnum_Next(IWICEnumMetadataItem *iface,
ULONG celt, PROPVARIANT *rgeltSchema, PROPVARIANT *rgeltId,
PROPVARIANT *rgeltValue, ULONG *pceltFetched)
{
MetadataHandlerEnum *This = impl_from_IWICEnumMetadataItem(iface);
ULONG new_index;
HRESULT hr=S_FALSE;
int i;
TRACE("(%p,%i)\n", iface, celt);
EnterCriticalSection(&This->parent->lock);
if (This->index >= This->parent->item_count)
{
*pceltFetched = 0;
LeaveCriticalSection(&This->parent->lock);
return S_FALSE;
}
new_index = min(This->parent->item_count, This->index + celt);
*pceltFetched = new_index - This->index;
if (rgeltSchema)
{
for (i=0; SUCCEEDED(hr) && i < *pceltFetched; i++)
hr = PropVariantCopy(&rgeltSchema[i], &This->parent->items[i+This->index].schema);
}
for (i=0; SUCCEEDED(hr) && i < *pceltFetched; i++)
hr = PropVariantCopy(&rgeltId[i], &This->parent->items[i+This->index].id);
if (rgeltValue)
{
for (i=0; SUCCEEDED(hr) && i < *pceltFetched; i++)
hr = PropVariantCopy(&rgeltValue[i], &This->parent->items[i+This->index].value);
}
if (SUCCEEDED(hr))
{
This->index = new_index;
}
LeaveCriticalSection(&This->parent->lock);
return hr;
}
static HRESULT WINAPI MetadataHandlerEnum_Skip(IWICEnumMetadataItem *iface,
ULONG celt)
{
MetadataHandlerEnum *This = impl_from_IWICEnumMetadataItem(iface);
EnterCriticalSection(&This->parent->lock);
This->index += celt;
LeaveCriticalSection(&This->parent->lock);
return S_OK;
}
static HRESULT WINAPI MetadataHandlerEnum_Reset(IWICEnumMetadataItem *iface)
{
MetadataHandlerEnum *This = impl_from_IWICEnumMetadataItem(iface);
EnterCriticalSection(&This->parent->lock);
This->index = 0;
LeaveCriticalSection(&This->parent->lock);
return S_OK;
}
static HRESULT WINAPI MetadataHandlerEnum_Clone(IWICEnumMetadataItem *iface,
IWICEnumMetadataItem **ppIEnumMetadataItem)
{
MetadataHandlerEnum *This = impl_from_IWICEnumMetadataItem(iface);
HRESULT hr;
EnterCriticalSection(&This->parent->lock);
hr = MetadataHandlerEnum_Create(This->parent, This->index, ppIEnumMetadataItem);
LeaveCriticalSection(&This->parent->lock);
return hr;
}
static const IWICEnumMetadataItemVtbl MetadataHandlerEnum_Vtbl = {
MetadataHandlerEnum_QueryInterface,
MetadataHandlerEnum_AddRef,
MetadataHandlerEnum_Release,
MetadataHandlerEnum_Next,
MetadataHandlerEnum_Skip,
MetadataHandlerEnum_Reset,
MetadataHandlerEnum_Clone
};
static HRESULT MetadataHandlerEnum_Create(MetadataHandler *parent, DWORD index,
IWICEnumMetadataItem **ppIEnumMetadataItem)
{
MetadataHandlerEnum *This;
*ppIEnumMetadataItem = NULL;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(MetadataHandlerEnum));
if (!This) return E_OUTOFMEMORY;
IWICMetadataWriter_AddRef(&parent->IWICMetadataWriter_iface);
This->IWICEnumMetadataItem_iface.lpVtbl = &MetadataHandlerEnum_Vtbl;
This->ref = 1;
This->parent = parent;
This->index = index;
*ppIEnumMetadataItem = &This->IWICEnumMetadataItem_iface;
return S_OK;
}
static HRESULT LoadUnknownMetadata(IStream *input, const GUID *preferred_vendor,
DWORD persist_options, MetadataItem **items, DWORD *item_count)
{
HRESULT hr;
MetadataItem *result;
STATSTG stat;
BYTE *data;
ULONG bytesread;
TRACE("\n");
hr = IStream_Stat(input, &stat, STATFLAG_NONAME);
if (FAILED(hr))
return hr;
data = HeapAlloc(GetProcessHeap(), 0, stat.cbSize.QuadPart);
if (!data) return E_OUTOFMEMORY;
hr = IStream_Read(input, data, stat.cbSize.QuadPart, &bytesread);
if (FAILED(hr))
{
HeapFree(GetProcessHeap(), 0, data);
return hr;
}
result = HeapAlloc(GetProcessHeap(), 0, sizeof(MetadataItem));
if (!result)
{
HeapFree(GetProcessHeap(), 0, data);
return E_OUTOFMEMORY;
}
PropVariantInit(&result[0].schema);
PropVariantInit(&result[0].id);
PropVariantInit(&result[0].value);
result[0].value.vt = VT_BLOB;
result[0].value.u.blob.cbSize = bytesread;
result[0].value.u.blob.pBlobData = data;
*items = result;
*item_count = 1;
return S_OK;
}
static const MetadataHandlerVtbl UnknownMetadataReader_Vtbl = {
0,
&CLSID_WICUnknownMetadataReader,
LoadUnknownMetadata
};
HRESULT UnknownMetadataReader_CreateInstance(IUnknown *pUnkOuter, REFIID iid, void** ppv)
{
return MetadataReader_Create(&UnknownMetadataReader_Vtbl, pUnkOuter, iid, ppv);
}