metadatahandler.c File Reference

#include <stdarg.h>
#include <stdio.h>
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "objbase.h"
#include "propvarutil.h"
#include "wincodecs_private.h"
#include "wine/debug.h"

Include dependency graph for metadatahandler.c:

Go to the source code of this file.

Classes
struct	MetadataHandler
struct	MetadataHandlerEnum
struct	IFD_entry

Macros
#define	COBJMACROS
#define	SWAP_USHORT(x)   do { if (!native_byte_order) (x) = RtlUshortByteSwap(x); } while(0)
#define	SWAP_ULONG(x)   do { if (!native_byte_order) (x) = RtlUlongByteSwap(x); } while(0)
#define	SWAP_ULONGLONG(x)   do { if (!native_byte_order) (x) = RtlUlonglongByteSwap(x); } while(0)
#define	IFD_BYTE   1
#define	IFD_ASCII   2
#define	IFD_SHORT   3
#define	IFD_LONG   4
#define	IFD_RATIONAL   5
#define	IFD_SBYTE   6
#define	IFD_UNDEFINED   7
#define	IFD_SSHORT   8
#define	IFD_SLONG   9
#define	IFD_SRATIONAL   10
#define	IFD_FLOAT   11
#define	IFD_DOUBLE   12
#define	IFD_IFD   13

Typedefs
typedef struct MetadataHandler	MetadataHandler
typedef struct MetadataHandlerEnum	MetadataHandlerEnum

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (wincodecs)
static MetadataHandler *	impl_from_IWICMetadataWriter (IWICMetadataWriter *iface)
static MetadataHandler *	impl_from_IWICPersistStream (IWICPersistStream *iface)
static MetadataHandler *	impl_from_IWICStreamProvider (IWICStreamProvider *iface)
static void	MetadataHandler_FreeItems (MetadataHandler *This)
static HRESULT	MetadataHandlerEnum_Create (MetadataHandler *parent, DWORD index, IWICEnumMetadataItem **ppIEnumMetadataItem)
static HRESULT WINAPI	MetadataHandler_QueryInterface (IWICMetadataWriter *iface, REFIID iid, void **ppv)
static ULONG WINAPI	MetadataHandler_AddRef (IWICMetadataWriter *iface)
static ULONG WINAPI	MetadataHandler_Release (IWICMetadataWriter *iface)
static HRESULT WINAPI	MetadataHandler_GetMetadataHandlerInfo (IWICMetadataWriter *iface, IWICMetadataHandlerInfo **ppIHandler)
static HRESULT WINAPI	MetadataHandler_GetMetadataFormat (IWICMetadataWriter *iface, GUID *pguidMetadataFormat)
static HRESULT WINAPI	MetadataHandler_GetCount (IWICMetadataWriter *iface, UINT *pcCount)
static HRESULT WINAPI	MetadataHandler_GetValueByIndex (IWICMetadataWriter *iface, UINT index, PROPVARIANT *schema, PROPVARIANT *id, PROPVARIANT *value)
static HRESULT WINAPI	MetadataHandler_GetValue (IWICMetadataWriter *iface, const PROPVARIANT *schema, const PROPVARIANT *id, PROPVARIANT *value)
static HRESULT WINAPI	MetadataHandler_GetEnumerator (IWICMetadataWriter *iface, IWICEnumMetadataItem **ppIEnumMetadata)
static HRESULT WINAPI	MetadataHandler_SetValue (IWICMetadataWriter *iface, const PROPVARIANT *pvarSchema, const PROPVARIANT *pvarId, const PROPVARIANT *pvarValue)
static HRESULT WINAPI	MetadataHandler_SetValueByIndex (IWICMetadataWriter *iface, UINT nIndex, const PROPVARIANT *pvarSchema, const PROPVARIANT *pvarId, const PROPVARIANT *pvarValue)
static HRESULT WINAPI	MetadataHandler_RemoveValue (IWICMetadataWriter *iface, const PROPVARIANT *pvarSchema, const PROPVARIANT *pvarId)
static HRESULT WINAPI	MetadataHandler_RemoveValueByIndex (IWICMetadataWriter *iface, UINT nIndex)
static HRESULT WINAPI	MetadataHandler_PersistStream_QueryInterface (IWICPersistStream *iface, REFIID iid, void **ppv)
static ULONG WINAPI	MetadataHandler_PersistStream_AddRef (IWICPersistStream *iface)
static ULONG WINAPI	MetadataHandler_PersistStream_Release (IWICPersistStream *iface)
static HRESULT WINAPI	MetadataHandler_GetClassID (IWICPersistStream *iface, CLSID *pClassID)
static HRESULT WINAPI	MetadataHandler_IsDirty (IWICPersistStream *iface)
static HRESULT WINAPI	MetadataHandler_Load (IWICPersistStream *iface, IStream *pStm)
static HRESULT WINAPI	MetadataHandler_Save (IWICPersistStream *iface, IStream *pStm, BOOL fClearDirty)
static HRESULT WINAPI	MetadataHandler_GetSizeMax (IWICPersistStream *iface, ULARGE_INTEGER *pcbSize)
static HRESULT WINAPI	MetadataHandler_LoadEx (IWICPersistStream *iface, IStream *stream, const GUID *pguidPreferredVendor, DWORD dwPersistOptions)
static HRESULT WINAPI	MetadataHandler_SaveEx (IWICPersistStream *iface, IStream *pIStream, DWORD dwPersistOptions, BOOL fClearDirty)
static HRESULT WINAPI	metadatahandler_stream_provider_QueryInterface (IWICStreamProvider *iface, REFIID iid, void **ppv)
static ULONG WINAPI	metadatahandler_stream_provider_AddRef (IWICStreamProvider *iface)
static ULONG WINAPI	metadatahandler_stream_provider_Release (IWICStreamProvider *iface)
static HRESULT WINAPI	metadatahandler_stream_provider_GetStream (IWICStreamProvider *iface, IStream **stream)
static HRESULT WINAPI	metadatahandler_stream_provider_GetPersistOptions (IWICStreamProvider *iface, DWORD *options)
static HRESULT WINAPI	metadatahandler_stream_provider_GetPreferredVendorGUID (IWICStreamProvider *iface, GUID *guid)
static HRESULT WINAPI	metadatahandler_stream_provider_RefreshStream (IWICStreamProvider *iface)
HRESULT	MetadataReader_Create (const MetadataHandlerVtbl *vtable, REFIID iid, void **ppv)
static MetadataHandlerEnum *	impl_from_IWICEnumMetadataItem (IWICEnumMetadataItem *iface)
static HRESULT WINAPI	MetadataHandlerEnum_QueryInterface (IWICEnumMetadataItem *iface, REFIID iid, void **ppv)
static ULONG WINAPI	MetadataHandlerEnum_AddRef (IWICEnumMetadataItem *iface)
static ULONG WINAPI	MetadataHandlerEnum_Release (IWICEnumMetadataItem *iface)
static HRESULT WINAPI	MetadataHandlerEnum_Next (IWICEnumMetadataItem *iface, ULONG celt, PROPVARIANT *rgeltSchema, PROPVARIANT *rgeltId, PROPVARIANT *rgeltValue, ULONG *pceltFetched)
static HRESULT WINAPI	MetadataHandlerEnum_Skip (IWICEnumMetadataItem *iface, ULONG celt)
static HRESULT WINAPI	MetadataHandlerEnum_Reset (IWICEnumMetadataItem *iface)
static HRESULT WINAPI	MetadataHandlerEnum_Clone (IWICEnumMetadataItem *iface, IWICEnumMetadataItem **ppIEnumMetadataItem)
static HRESULT	LoadUnknownMetadata (IStream *input, const GUID *preferred_vendor, DWORD persist_options, MetadataItem **items, DWORD *item_count)
HRESULT	UnknownMetadataReader_CreateInstance (REFIID iid, void **ppv)
static int	tag_to_vt (SHORT tag)
static HRESULT	load_IFD_entry (IStream *input, const struct IFD_entry *entry, MetadataItem *item, BOOL native_byte_order)
static HRESULT	LoadIfdMetadata (IStream *input, const GUID *preferred_vendor, DWORD persist_options, MetadataItem **items, DWORD *item_count)
HRESULT	IfdMetadataReader_CreateInstance (REFIID iid, void **ppv)

Variables
static const IWICMetadataWriterVtbl	MetadataHandler_Vtbl
static const IWICPersistStreamVtbl	MetadataHandler_PersistStream_Vtbl
static const IWICStreamProviderVtbl	MetadataHandler_StreamProvider_Vtbl
static const IWICEnumMetadataItemVtbl	MetadataHandlerEnum_Vtbl
static const MetadataHandlerVtbl	UnknownMetadataReader_Vtbl
static const MetadataHandlerVtbl	IfdMetadataReader_Vtbl

Macro Definition Documentation

COBJMACROS

#define COBJMACROS

Definition at line 23 of file metadatahandler.c.

IFD_ASCII

#define IFD_ASCII   2

Definition at line 760 of file metadatahandler.c.

IFD_BYTE

#define IFD_BYTE   1

Definition at line 759 of file metadatahandler.c.

IFD_DOUBLE

#define IFD_DOUBLE   12

Definition at line 770 of file metadatahandler.c.

IFD_FLOAT

#define IFD_FLOAT   11

Definition at line 769 of file metadatahandler.c.

IFD_IFD

#define IFD_IFD   13

Definition at line 771 of file metadatahandler.c.

IFD_LONG

#define IFD_LONG   4

Definition at line 762 of file metadatahandler.c.

IFD_RATIONAL

#define IFD_RATIONAL   5

Definition at line 763 of file metadatahandler.c.

IFD_SBYTE

#define IFD_SBYTE   6

Definition at line 764 of file metadatahandler.c.

IFD_SHORT

#define IFD_SHORT   3

Definition at line 761 of file metadatahandler.c.

IFD_SLONG

#define IFD_SLONG   9

Definition at line 767 of file metadatahandler.c.

IFD_SRATIONAL

#define IFD_SRATIONAL   10

Definition at line 768 of file metadatahandler.c.

IFD_SSHORT

#define IFD_SSHORT   8

Definition at line 766 of file metadatahandler.c.

IFD_UNDEFINED

#define IFD_UNDEFINED   7

Definition at line 765 of file metadatahandler.c.

SWAP_ULONG

#define SWAP_ULONG

(

x

)

do { if (!native_byte_order) (x) = RtlUlongByteSwap(x); } while(0)

Definition at line 748 of file metadatahandler.c.

SWAP_ULONGLONG

#define SWAP_ULONGLONG

(

x

)

do { if (!native_byte_order) (x) = RtlUlonglongByteSwap(x); } while(0)

Definition at line 749 of file metadatahandler.c.

SWAP_USHORT

#define SWAP_USHORT

(

x

)

do { if (!native_byte_order) (x) = RtlUshortByteSwap(x); } while(0)

Definition at line 747 of file metadatahandler.c.

Typedef Documentation

MetadataHandler

typedef struct MetadataHandler MetadataHandler

MetadataHandlerEnum

typedef struct MetadataHandlerEnum MetadataHandlerEnum

Function Documentation

IfdMetadataReader_CreateInstance()

HRESULT IfdMetadataReader_CreateInstance	(	REFIID	iid,
		void **	ppv
	)

Definition at line 1177 of file metadatahandler.c.

{
    return MetadataReader_Create(&IfdMetadataReader_Vtbl, iid, ppv);
}

impl_from_IWICEnumMetadataItem()

static MetadataHandlerEnum * impl_from_IWICEnumMetadataItem ( IWICEnumMetadataItem *  iface )

inlinestatic

Definition at line 507 of file metadatahandler.c.

{
    return CONTAINING_RECORD(iface, MetadataHandlerEnum, IWICEnumMetadataItem_iface);
}

Referenced by MetadataHandlerEnum_AddRef(), MetadataHandlerEnum_Clone(), MetadataHandlerEnum_Next(), MetadataHandlerEnum_QueryInterface(), MetadataHandlerEnum_Release(), MetadataHandlerEnum_Reset(), and MetadataHandlerEnum_Skip().

impl_from_IWICMetadataWriter()

static MetadataHandler * impl_from_IWICMetadataWriter ( IWICMetadataWriter *  iface )

inlinestatic

Definition at line 47 of file metadatahandler.c.

{
    return CONTAINING_RECORD(iface, MetadataHandler, IWICMetadataWriter_iface);
}

Referenced by MetadataHandler_AddRef(), MetadataHandler_GetCount(), MetadataHandler_GetEnumerator(), MetadataHandler_GetMetadataHandlerInfo(), MetadataHandler_GetValue(), MetadataHandler_GetValueByIndex(), MetadataHandler_QueryInterface(), and MetadataHandler_Release().

impl_from_IWICPersistStream()

static MetadataHandler * impl_from_IWICPersistStream ( IWICPersistStream *  iface )

inlinestatic

Definition at line 52 of file metadatahandler.c.

{
    return CONTAINING_RECORD(iface, MetadataHandler, IWICPersistStream_iface);
}

Referenced by MetadataHandler_Load(), MetadataHandler_LoadEx(), MetadataHandler_PersistStream_AddRef(), MetadataHandler_PersistStream_QueryInterface(), and MetadataHandler_PersistStream_Release().

impl_from_IWICStreamProvider()

static MetadataHandler * impl_from_IWICStreamProvider ( IWICStreamProvider *  iface )

inlinestatic

Definition at line 57 of file metadatahandler.c.

{
    return CONTAINING_RECORD(iface, MetadataHandler, IWICStreamProvider_iface);
}

Referenced by metadatahandler_stream_provider_AddRef(), metadatahandler_stream_provider_QueryInterface(), and metadatahandler_stream_provider_Release().

load_IFD_entry()

static HRESULT load_IFD_entry ( IStream *  input, const struct IFD_entry *  entry, MetadataItem *  item, BOOL  native_byte_order  )

static

Definition at line 795 of file metadatahandler.c.

{
    ULONG count, value, i, bytesread;
    SHORT type;
    LARGE_INTEGER pos;
    HRESULT hr;
 
    item->schema.vt = VT_EMPTY;
    item->id.vt = VT_UI2;
    item->id.uiVal = entry->id;
    SWAP_USHORT(item->id.uiVal);
 
    count = entry->count;
    SWAP_ULONG(count);
    type = entry->type;
    SWAP_USHORT(type);
    item->value.vt = tag_to_vt(type);
    value = entry->value;
    SWAP_ULONG(value);
 
    switch (type)
    {
     case IFD_BYTE:
     case IFD_SBYTE:
        if (!count) count = 1;
 
        if (count <= 4)
        {
            const BYTE *data = (const BYTE *)&entry->value;
 
            if (count == 1)
                item->value.bVal = data[0];
            else
            {
                item->value.vt |= VT_VECTOR;
                item->value.caub.cElems = count;
                item->value.caub.pElems = CoTaskMemAlloc(count);
                memcpy(item->value.caub.pElems, data, count);
            }
            break;
        }
 
        item->value.vt |= VT_VECTOR;
        item->value.caub.cElems = count;
        item->value.caub.pElems = CoTaskMemAlloc(count);
        if (!item->value.caub.pElems) return E_OUTOFMEMORY;
 
        pos.QuadPart = value;
        hr = IStream_Seek(input, pos, SEEK_SET, NULL);
        if (FAILED(hr))
        {
            CoTaskMemFree(item->value.caub.pElems);
            return hr;
        }
        hr = IStream_Read(input, item->value.caub.pElems, count, &bytesread);
        if (bytesread != count) hr = E_FAIL;
        if (hr != S_OK)
        {
            CoTaskMemFree(item->value.caub.pElems);
            return hr;
        }
        break;
    case IFD_SHORT:
    case IFD_SSHORT:
        if (!count) count = 1;
 
        if (count <= 2)
        {
            const SHORT *data = (const SHORT *)&entry->value;
 
            if (count == 1)
            {
                item->value.uiVal = data[0];
                SWAP_USHORT(item->value.uiVal);
            }
            else
            {
                item->value.vt |= VT_VECTOR;
                item->value.caui.cElems = count;
                item->value.caui.pElems = CoTaskMemAlloc(count * 2);
                memcpy(item->value.caui.pElems, data, count * 2);
                for (i = 0; i < count; i++)
                    SWAP_USHORT(item->value.caui.pElems[i]);
            }
            break;
        }
 
        item->value.vt |= VT_VECTOR;
        item->value.caui.cElems = count;
        item->value.caui.pElems = CoTaskMemAlloc(count * 2);
        if (!item->value.caui.pElems) return E_OUTOFMEMORY;
 
        pos.QuadPart = value;
        hr = IStream_Seek(input, pos, SEEK_SET, NULL);
        if (FAILED(hr))
        {
            CoTaskMemFree(item->value.caui.pElems);
            return hr;
        }
        hr = IStream_Read(input, item->value.caui.pElems, count * 2, &bytesread);
        if (bytesread != count * 2) hr = E_FAIL;
        if (hr != S_OK)
        {
            CoTaskMemFree(item->value.caui.pElems);
            return hr;
        }
        for (i = 0; i < count; i++)
            SWAP_USHORT(item->value.caui.pElems[i]);
        break;
    case IFD_LONG:
    case IFD_SLONG:
    case IFD_FLOAT:
        if (!count) count = 1;
 
        if (count == 1)
        {
            item->value.ulVal = value;
            break;
        }
 
        item->value.vt |= VT_VECTOR;
        item->value.caul.cElems = count;
        item->value.caul.pElems = CoTaskMemAlloc(count * 4);
        if (!item->value.caul.pElems) return E_OUTOFMEMORY;
 
        pos.QuadPart = value;
        hr = IStream_Seek(input, pos, SEEK_SET, NULL);
        if (FAILED(hr))
        {
            CoTaskMemFree(item->value.caul.pElems);
            return hr;
        }
        hr = IStream_Read(input, item->value.caul.pElems, count * 4, &bytesread);
        if (bytesread != count * 4) hr = E_FAIL;
        if (hr != S_OK)
        {
            CoTaskMemFree(item->value.caul.pElems);
            return hr;
        }
        for (i = 0; i < count; i++)
            SWAP_ULONG(item->value.caul.pElems[i]);
        break;
    case IFD_RATIONAL:
    case IFD_SRATIONAL:
    case IFD_DOUBLE:
        if (!count)
        {
            FIXME("IFD field type %d, count 0\n", type);
            item->value.vt = VT_EMPTY;
            break;
        }
 
        if (count == 1)
        {
            ULONGLONG ull;
 
            pos.QuadPart = value;
            hr = IStream_Seek(input, pos, SEEK_SET, NULL);
            if (FAILED(hr)) return hr;
 
            hr = IStream_Read(input, &ull, sizeof(ull), &bytesread);
            if (bytesread != sizeof(ull)) hr = E_FAIL;
            if (hr != S_OK) return hr;
 
            item->value.uhVal.QuadPart = ull;
 
            if (type == IFD_DOUBLE)
                SWAP_ULONGLONG(item->value.uhVal.QuadPart);
            else
            {
                SWAP_ULONG(item->value.uhVal.LowPart);
                SWAP_ULONG(item->value.uhVal.HighPart);
            }
            break;
        }
        else
        {
            item->value.vt |= VT_VECTOR;
            item->value.cauh.cElems = count;
            item->value.cauh.pElems = CoTaskMemAlloc(count * 8);
            if (!item->value.cauh.pElems) return E_OUTOFMEMORY;
 
            pos.QuadPart = value;
            hr = IStream_Seek(input, pos, SEEK_SET, NULL);
            if (FAILED(hr))
            {
                CoTaskMemFree(item->value.cauh.pElems);
                return hr;
            }
            hr = IStream_Read(input, item->value.cauh.pElems, count * 8, &bytesread);
            if (bytesread != count * 8) hr = E_FAIL;
            if (hr != S_OK)
            {
                CoTaskMemFree(item->value.cauh.pElems);
                return hr;
            }
            for (i = 0; i < count; i++)
            {
                if (type == IFD_DOUBLE)
                    SWAP_ULONGLONG(item->value.cauh.pElems[i].QuadPart);
                else
                {
                    SWAP_ULONG(item->value.cauh.pElems[i].LowPart);
                    SWAP_ULONG(item->value.cauh.pElems[i].HighPart);
                }
            }
        }
        break;
    case IFD_ASCII:
        item->value.pszVal = CoTaskMemAlloc(count + 1);
        if (!item->value.pszVal) return E_OUTOFMEMORY;
 
        if (count <= 4)
        {
            const char *data = (const char *)&entry->value;
            memcpy(item->value.pszVal, data, count);
            item->value.pszVal[count] = 0;
            break;
        }
 
        pos.QuadPart = value;
        hr = IStream_Seek(input, pos, SEEK_SET, NULL);
        if (FAILED(hr))
        {
            CoTaskMemFree(item->value.pszVal);
            return hr;
        }
        hr = IStream_Read(input, item->value.pszVal, count, &bytesread);
        if (bytesread != count) hr = E_FAIL;
        if (hr != S_OK)
        {
            CoTaskMemFree(item->value.pszVal);
            return hr;
        }
        item->value.pszVal[count] = 0;
        break;
    case IFD_UNDEFINED:
        if (!count)
        {
            FIXME("IFD field type %d, count 0\n", type);
            item->value.vt = VT_EMPTY;
            break;
        }
 
        item->value.blob.pBlobData = CoTaskMemAlloc(count);
        if (!item->value.blob.pBlobData) return E_OUTOFMEMORY;
 
        item->value.blob.cbSize = count;
 
        if (count <= 4)
        {
            const char *data = (const char *)&entry->value;
            memcpy(item->value.blob.pBlobData, data, count);
            break;
        }
 
        pos.QuadPart = value;
        hr = IStream_Seek(input, pos, SEEK_SET, NULL);
        if (FAILED(hr))
        {
            CoTaskMemFree(item->value.blob.pBlobData);
            return hr;
        }
        hr = IStream_Read(input, item->value.blob.pBlobData, count, &bytesread);
        if (bytesread != count) hr = E_FAIL;
        if (hr != S_OK)
        {
            CoTaskMemFree(item->value.blob.pBlobData);
            return hr;
        }
        break;
    default:
        FIXME("loading field of type %d, count %lu is not implemented\n", type, count);
        break;
    }
    return S_OK;
}

Referenced by LoadIfdMetadata().

LoadIfdMetadata()

static HRESULT LoadIfdMetadata ( IStream *  input, const GUID *  preferred_vendor, DWORD  persist_options, MetadataItem **  items, DWORD *  item_count  )

static

Definition at line 1074 of file metadatahandler.c.

{
    HRESULT hr;
    MetadataItem *result;
    USHORT count, i;
    struct IFD_entry *entry;
    BOOL native_byte_order = TRUE;
    ULONG bytesread;
 
    TRACE("\n");
 
#ifdef WORDS_BIGENDIAN
    if (persist_options & WICPersistOptionLittleEndian)
#else
    if (persist_options & WICPersistOptionBigEndian)
#endif
        native_byte_order = FALSE;
 
    hr = IStream_Read(input, &count, sizeof(count), &bytesread);
    if (bytesread != sizeof(count)) hr = E_FAIL;
    if (hr != S_OK) return hr;
 
    SWAP_USHORT(count);
 
    entry = malloc(count * sizeof(*entry));
    if (!entry) return E_OUTOFMEMORY;
 
    hr = IStream_Read(input, entry, count * sizeof(*entry), &bytesread);
    if (bytesread != count * sizeof(*entry)) hr = E_FAIL;
    if (hr != S_OK)
    {
        free(entry);
        return hr;
    }
 
    /* limit number of IFDs to 4096 to avoid infinite loop */
    for (i = 0; i < 4096; i++)
    {
        ULONG next_ifd_offset;
        LARGE_INTEGER pos;
        USHORT next_ifd_count;
 
        hr = IStream_Read(input, &next_ifd_offset, sizeof(next_ifd_offset), &bytesread);
        if (bytesread != sizeof(next_ifd_offset)) hr = E_FAIL;
        if (hr != S_OK) break;
 
        SWAP_ULONG(next_ifd_offset);
        if (!next_ifd_offset) break;
 
        pos.QuadPart = next_ifd_offset;
        hr = IStream_Seek(input, pos, SEEK_SET, NULL);
        if (FAILED(hr)) break;
 
        hr = IStream_Read(input, &next_ifd_count, sizeof(next_ifd_count), &bytesread);
        if (bytesread != sizeof(next_ifd_count)) hr = E_FAIL;
        if (hr != S_OK) break;
 
        SWAP_USHORT(next_ifd_count);
 
        pos.QuadPart = next_ifd_count * sizeof(*entry);
        hr = IStream_Seek(input, pos, SEEK_CUR, NULL);
        if (FAILED(hr)) break;
    }
 
    if (hr != S_OK || i == 4096)
    {
        free(entry);
        return WINCODEC_ERR_BADMETADATAHEADER;
    }
 
    result = calloc(count, sizeof(*result));
    if (!result)
    {
        free(entry);
        return E_OUTOFMEMORY;
    }
 
    for (i = 0; i < count; i++)
    {
        hr = load_IFD_entry(input, &entry[i], &result[i], native_byte_order);
        if (FAILED(hr))
        {
            free(entry);
            free(result);
            return hr;
        }
    }
 
    free(entry);
 
    *items = result;
    *item_count = count;
 
    return S_OK;
}

LoadUnknownMetadata()

static HRESULT LoadUnknownMetadata ( IStream *  input, const GUID *  preferred_vendor, DWORD  persist_options, MetadataItem **  items, DWORD *  item_count  )

static

Definition at line 689 of file metadatahandler.c.

{
    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 = CoTaskMemAlloc(stat.cbSize.QuadPart);
    if (!data) return E_OUTOFMEMORY;
 
    hr = IStream_Read(input, data, stat.cbSize.QuadPart, &bytesread);
    if (bytesread != stat.cbSize.QuadPart) hr = E_FAIL;
    if (hr != S_OK)
    {
        CoTaskMemFree(data);
        return hr;
    }
 
    result = calloc(1, sizeof(MetadataItem));
    if (!result)
    {
        CoTaskMemFree(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.blob.cbSize = bytesread;
    result[0].value.blob.pBlobData = data;
 
    *items = result;
    *item_count = 1;
 
    return S_OK;
}

MetadataHandler_AddRef()

static ULONG WINAPI MetadataHandler_AddRef ( IWICMetadataWriter *  iface )

static

Definition at line 115 of file metadatahandler.c.

{
    MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
    ULONG ref = InterlockedIncrement(&This->ref);
 
    TRACE("(%p) refcount=%lu\n", iface, ref);
 
    return ref;
}

MetadataHandler_FreeItems()

static void MetadataHandler_FreeItems ( MetadataHandler *  This )

static

Definition at line 62 of file metadatahandler.c.

{
    DWORD i;
 
    for (i=0; i<This->item_count; i++)
    {
        PropVariantClear(&This->items[i].schema);
        PropVariantClear(&This->items[i].id);
        PropVariantClear(&This->items[i].value);
    }
 
    free(This->items);
    This->items = NULL;
    This->item_count = 0;
}

Referenced by MetadataHandler_LoadEx(), and MetadataHandler_Release().

MetadataHandler_GetClassID()

static HRESULT WINAPI MetadataHandler_GetClassID ( IWICPersistStream *  iface, CLSID *  pClassID  )

static

Definition at line 324 of file metadatahandler.c.

{
    FIXME("(%p,%p): stub\n", iface, pClassID);
    return E_NOTIMPL;
}

MetadataHandler_GetCount()

static HRESULT WINAPI MetadataHandler_GetCount ( IWICMetadataWriter *  iface, UINT *  pcCount  )

static

Definition at line 181 of file metadatahandler.c.

{
    MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
 
    TRACE("%p,%p\n", iface, pcCount);
 
    if (!pcCount) return E_INVALIDARG;
 
    *pcCount = This->item_count;
    return S_OK;
}

MetadataHandler_GetEnumerator()

static HRESULT WINAPI MetadataHandler_GetEnumerator ( IWICMetadataWriter *  iface, IWICEnumMetadataItem **  ppIEnumMetadata  )

static

Definition at line 253 of file metadatahandler.c.

{
    MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
    TRACE("(%p,%p)\n", iface, ppIEnumMetadata);
    return MetadataHandlerEnum_Create(This, 0, ppIEnumMetadata);
}

MetadataHandler_GetMetadataFormat()

static HRESULT WINAPI MetadataHandler_GetMetadataFormat ( IWICMetadataWriter *  iface, GUID *  pguidMetadataFormat  )

static

Definition at line 162 of file metadatahandler.c.

{
    HRESULT hr;
    IWICMetadataHandlerInfo *metadata_info;
 
    TRACE("%p,%p\n", iface, pguidMetadataFormat);
 
    if (!pguidMetadataFormat) return E_INVALIDARG;
 
    hr = MetadataHandler_GetMetadataHandlerInfo(iface, &metadata_info);
    if (FAILED(hr)) return hr;
 
    hr = IWICMetadataHandlerInfo_GetMetadataFormat(metadata_info, pguidMetadataFormat);
    IWICMetadataHandlerInfo_Release(metadata_info);
 
    return hr;
}

MetadataHandler_GetMetadataHandlerInfo()

static HRESULT WINAPI MetadataHandler_GetMetadataHandlerInfo ( IWICMetadataWriter *  iface, IWICMetadataHandlerInfo **  ppIHandler  )

static

Definition at line 143 of file metadatahandler.c.

{
    HRESULT hr;
    IWICComponentInfo *component_info;
    MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
 
    TRACE("%p,%p\n", iface, ppIHandler);
 
    hr = CreateComponentInfo(This->vtable->clsid, &component_info);
    if (FAILED(hr)) return hr;
 
    hr = IWICComponentInfo_QueryInterface(component_info, &IID_IWICMetadataHandlerInfo,
        (void **)ppIHandler);
 
    IWICComponentInfo_Release(component_info);
    return hr;
}

Referenced by MetadataHandler_GetMetadataFormat().

MetadataHandler_GetSizeMax()

static HRESULT WINAPI MetadataHandler_GetSizeMax ( IWICPersistStream *  iface, ULARGE_INTEGER *  pcbSize  )

static

Definition at line 352 of file metadatahandler.c.

{
    FIXME("(%p,%p): stub\n", iface, pcbSize);
    return E_NOTIMPL;
}

MetadataHandler_GetValue()

static HRESULT WINAPI MetadataHandler_GetValue ( IWICMetadataWriter *  iface, const PROPVARIANT *  schema, const PROPVARIANT *  id, PROPVARIANT *  value  )

static

Definition at line 223 of file metadatahandler.c.

{
    UINT i;
    HRESULT hr = WINCODEC_ERR_PROPERTYNOTFOUND;
    MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
 
    TRACE("(%p,%s,%s,%p)\n", iface, wine_dbgstr_variant((const VARIANT *)schema), wine_dbgstr_variant((const VARIANT *)id), value);
 
    if (!id) return E_INVALIDARG;
 
    EnterCriticalSection(&This->lock);
 
    for (i = 0; i < This->item_count; i++)
    {
        if (schema && This->items[i].schema.vt != VT_EMPTY)
        {
            if (PropVariantCompareEx(schema, &This->items[i].schema, 0, PVCF_USESTRCMPI) != 0) continue;
        }
 
        if (PropVariantCompareEx(id, &This->items[i].id, 0, PVCF_USESTRCMPI) != 0) continue;
 
        hr = value ? PropVariantCopy(value, &This->items[i].value) : S_OK;
        break;
    }
 
    LeaveCriticalSection(&This->lock);
    return hr;
}

MetadataHandler_GetValueByIndex()

static HRESULT WINAPI MetadataHandler_GetValueByIndex ( IWICMetadataWriter *  iface, UINT  index, PROPVARIANT *  schema, PROPVARIANT *  id, PROPVARIANT *  value  )

static

Definition at line 194 of file metadatahandler.c.

{
    HRESULT hr = S_OK;
    MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
 
    TRACE("%p,%u,%p,%p,%p\n", iface, index, schema, id, value);
 
    EnterCriticalSection(&This->lock);
 
    if (index >= This->item_count)
    {
        LeaveCriticalSection(&This->lock);
        return E_INVALIDARG;
    }
 
    if (schema)
        hr = PropVariantCopy(schema, &This->items[index].schema);
 
    if (SUCCEEDED(hr) && id)
        hr = PropVariantCopy(id, &This->items[index].id);
 
    if (SUCCEEDED(hr) && value)
        hr = PropVariantCopy(value, &This->items[index].value);
 
    LeaveCriticalSection(&This->lock);
    return hr;
}

MetadataHandler_IsDirty()

static HRESULT WINAPI MetadataHandler_IsDirty ( IWICPersistStream *  iface )

static

Definition at line 331 of file metadatahandler.c.

{
    FIXME("(%p): stub\n", iface);
    return E_NOTIMPL;
}

MetadataHandler_Load()

static HRESULT WINAPI MetadataHandler_Load ( IWICPersistStream *  iface, IStream *  pStm  )

static

Definition at line 337 of file metadatahandler.c.

{
    MetadataHandler *This = impl_from_IWICPersistStream(iface);
    TRACE("(%p,%p)\n", iface, pStm);
    return IWICPersistStream_LoadEx(&This->IWICPersistStream_iface, pStm, NULL, WICPersistOptionDefault);
}

MetadataHandler_LoadEx()

static HRESULT WINAPI MetadataHandler_LoadEx ( IWICPersistStream *  iface, IStream *  stream, const GUID *  pguidPreferredVendor, DWORD  dwPersistOptions  )

static

Definition at line 359 of file metadatahandler.c.

{
    MetadataHandler *This = impl_from_IWICPersistStream(iface);
    HRESULT hr = S_OK;
    MetadataItem *new_items=NULL;
    DWORD item_count=0;
 
    TRACE("(%p,%p,%s,%lx)\n", iface, stream, debugstr_guid(pguidPreferredVendor), dwPersistOptions);
 
    EnterCriticalSection(&This->lock);
 
    if (stream)
    {
        hr = This->vtable->fnLoad(stream, 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;
}

MetadataHandler_PersistStream_AddRef()

static ULONG WINAPI MetadataHandler_PersistStream_AddRef ( IWICPersistStream *  iface )

static

Definition at line 312 of file metadatahandler.c.

{
    MetadataHandler *This = impl_from_IWICPersistStream(iface);
    return IWICMetadataWriter_AddRef(&This->IWICMetadataWriter_iface);
}

MetadataHandler_PersistStream_QueryInterface()

static HRESULT WINAPI MetadataHandler_PersistStream_QueryInterface ( IWICPersistStream *  iface, REFIID  iid, void **  ppv  )

static

Definition at line 305 of file metadatahandler.c.

{
    MetadataHandler *This = impl_from_IWICPersistStream(iface);
    return IWICMetadataWriter_QueryInterface(&This->IWICMetadataWriter_iface, iid, ppv);
}

MetadataHandler_PersistStream_Release()

static ULONG WINAPI MetadataHandler_PersistStream_Release ( IWICPersistStream *  iface )

static

Definition at line 318 of file metadatahandler.c.

{
    MetadataHandler *This = impl_from_IWICPersistStream(iface);
    return IWICMetadataWriter_Release(&This->IWICMetadataWriter_iface);
}

MetadataHandler_QueryInterface()

static HRESULT WINAPI MetadataHandler_QueryInterface ( IWICMetadataWriter *  iface, REFIID  iid, void **  ppv  )

static

Definition at line 81 of file metadatahandler.c.

{
    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 if (IsEqualIID(&IID_IWICStreamProvider, iid))
    {
        *ppv = &This->IWICStreamProvider_iface;
    }
    else
    {
        *ppv = NULL;
        return E_NOINTERFACE;
    }
 
    IUnknown_AddRef((IUnknown*)*ppv);
    return S_OK;
}

MetadataHandler_Release()

static ULONG WINAPI MetadataHandler_Release ( IWICMetadataWriter *  iface )

static

Definition at line 125 of file metadatahandler.c.

{
    MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
    ULONG ref = InterlockedDecrement(&This->ref);
 
    TRACE("(%p) refcount=%lu\n", iface, ref);
 
    if (ref == 0)
    {
        MetadataHandler_FreeItems(This);
        This->lock.DebugInfo->Spare[0] = 0;
        DeleteCriticalSection(&This->lock);
        free(This);
    }
 
    return ref;
}

MetadataHandler_RemoveValue()

static HRESULT WINAPI MetadataHandler_RemoveValue ( IWICMetadataWriter *  iface, const PROPVARIANT *  pvarSchema, const PROPVARIANT *  pvarId  )

static

Definition at line 275 of file metadatahandler.c.

{
    FIXME("(%p,%p,%p): stub\n", iface, pvarSchema, pvarId);
    return E_NOTIMPL;
}

MetadataHandler_RemoveValueByIndex()

static HRESULT WINAPI MetadataHandler_RemoveValueByIndex ( IWICMetadataWriter *  iface, UINT  nIndex  )

static

Definition at line 282 of file metadatahandler.c.

{
    FIXME("(%p,%u): stub\n", iface, nIndex);
    return E_NOTIMPL;
}

MetadataHandler_Save()

static HRESULT WINAPI MetadataHandler_Save ( IWICPersistStream *  iface, IStream *  pStm, BOOL  fClearDirty  )

static

Definition at line 345 of file metadatahandler.c.

{
    FIXME("(%p,%p,%i): stub\n", iface, pStm, fClearDirty);
    return E_NOTIMPL;
}

MetadataHandler_SaveEx()

static HRESULT WINAPI MetadataHandler_SaveEx ( IWICPersistStream *  iface, IStream *  pIStream, DWORD  dwPersistOptions, BOOL  fClearDirty  )

static

Definition at line 389 of file metadatahandler.c.

{
    FIXME("(%p,%p,%lx,%i): stub\n", iface, pIStream, dwPersistOptions, fClearDirty);
    return E_NOTIMPL;
}

MetadataHandler_SetValue()

static HRESULT WINAPI MetadataHandler_SetValue ( IWICMetadataWriter *  iface, const PROPVARIANT *  pvarSchema, const PROPVARIANT *  pvarId, const PROPVARIANT *  pvarValue  )

static

Definition at line 261 of file metadatahandler.c.

{
    FIXME("(%p,%p,%p,%p): stub\n", iface, pvarSchema, pvarId, pvarValue);
    return E_NOTIMPL;
}

MetadataHandler_SetValueByIndex()

static HRESULT WINAPI MetadataHandler_SetValueByIndex ( IWICMetadataWriter *  iface, UINT  nIndex, const PROPVARIANT *  pvarSchema, const PROPVARIANT *  pvarId, const PROPVARIANT *  pvarValue  )

static

Definition at line 268 of file metadatahandler.c.

{
    FIXME("(%p,%u,%p,%p,%p): stub\n", iface, nIndex, pvarSchema, pvarId, pvarValue);
    return E_NOTIMPL;
}

metadatahandler_stream_provider_AddRef()

static ULONG WINAPI metadatahandler_stream_provider_AddRef ( IWICStreamProvider *  iface )

static

Definition at line 415 of file metadatahandler.c.

{
    MetadataHandler *handler = impl_from_IWICStreamProvider(iface);
    return IWICMetadataWriter_AddRef(&handler->IWICMetadataWriter_iface);
}

metadatahandler_stream_provider_GetPersistOptions()

static HRESULT WINAPI metadatahandler_stream_provider_GetPersistOptions ( IWICStreamProvider *  iface, DWORD *  options  )

static

Definition at line 434 of file metadatahandler.c.

{
    FIXME("%p, %p stub\n", iface, options);
 
    return E_NOTIMPL;
}

metadatahandler_stream_provider_GetPreferredVendorGUID()

static HRESULT WINAPI metadatahandler_stream_provider_GetPreferredVendorGUID ( IWICStreamProvider *  iface, GUID *  guid  )

static

Definition at line 441 of file metadatahandler.c.

{
    FIXME("%p, %p stub\n", iface, guid);
 
    return E_NOTIMPL;
}

metadatahandler_stream_provider_GetStream()

static HRESULT WINAPI metadatahandler_stream_provider_GetStream ( IWICStreamProvider *  iface, IStream **  stream  )

static

Definition at line 427 of file metadatahandler.c.

{
    FIXME("%p, %p stub\n", iface, stream);
 
    return E_NOTIMPL;
}

metadatahandler_stream_provider_QueryInterface()

static HRESULT WINAPI metadatahandler_stream_provider_QueryInterface ( IWICStreamProvider *  iface, REFIID  iid, void **  ppv  )

static

Definition at line 409 of file metadatahandler.c.

{
    MetadataHandler *handler = impl_from_IWICStreamProvider(iface);
    return IWICMetadataWriter_QueryInterface(&handler->IWICMetadataWriter_iface, iid, ppv);
}

metadatahandler_stream_provider_RefreshStream()

static HRESULT WINAPI metadatahandler_stream_provider_RefreshStream ( IWICStreamProvider *  iface )

static

Definition at line 448 of file metadatahandler.c.

{
    FIXME("%p stub\n", iface);
 
    return E_NOTIMPL;
}

metadatahandler_stream_provider_Release()

static ULONG WINAPI metadatahandler_stream_provider_Release ( IWICStreamProvider *  iface )

static

Definition at line 421 of file metadatahandler.c.

{
    MetadataHandler *handler = impl_from_IWICStreamProvider(iface);
    return IWICMetadataWriter_Release(&handler->IWICMetadataWriter_iface);
}

MetadataHandlerEnum_AddRef()

static ULONG WINAPI MetadataHandlerEnum_AddRef ( IWICEnumMetadataItem *  iface )

static

Definition at line 535 of file metadatahandler.c.

{
    MetadataHandlerEnum *This = impl_from_IWICEnumMetadataItem(iface);
    ULONG ref = InterlockedIncrement(&This->ref);
 
    TRACE("(%p) refcount=%lu\n", iface, ref);
 
    return ref;
}

MetadataHandlerEnum_Clone()

static HRESULT WINAPI MetadataHandlerEnum_Clone ( IWICEnumMetadataItem *  iface, IWICEnumMetadataItem **  ppIEnumMetadataItem  )

static

Definition at line 640 of file metadatahandler.c.

{
    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;
}

MetadataHandlerEnum_Create()

static HRESULT MetadataHandlerEnum_Create ( MetadataHandler *  parent, DWORD  index, IWICEnumMetadataItem **  ppIEnumMetadataItem  )

static

Definition at line 665 of file metadatahandler.c.

{
    MetadataHandlerEnum *This;
 
    if (!ppIEnumMetadataItem) return E_INVALIDARG;
 
    *ppIEnumMetadataItem = NULL;
 
    This = malloc(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;
}

Referenced by MetadataHandler_GetEnumerator(), and MetadataHandlerEnum_Clone().

MetadataHandlerEnum_Next()

static HRESULT WINAPI MetadataHandlerEnum_Next ( IWICEnumMetadataItem *  iface, ULONG  celt, PROPVARIANT *  rgeltSchema, PROPVARIANT *  rgeltId, PROPVARIANT *  rgeltValue, ULONG *  pceltFetched  )

static

Definition at line 561 of file metadatahandler.c.

{
    MetadataHandlerEnum *This = impl_from_IWICEnumMetadataItem(iface);
    ULONG new_index;
    HRESULT hr=S_FALSE;
    ULONG i;
    ULONG fetched;
 
    TRACE("(%p,%li)\n", iface, celt);
 
    if (!pceltFetched)
        pceltFetched = &fetched;
 
    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;
}

MetadataHandlerEnum_QueryInterface()

static HRESULT WINAPI MetadataHandlerEnum_QueryInterface ( IWICEnumMetadataItem *  iface, REFIID  iid, void **  ppv  )

static

Definition at line 512 of file metadatahandler.c.

{
    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;
}

MetadataHandlerEnum_Release()

static ULONG WINAPI MetadataHandlerEnum_Release ( IWICEnumMetadataItem *  iface )

static

Definition at line 545 of file metadatahandler.c.

{
    MetadataHandlerEnum *This = impl_from_IWICEnumMetadataItem(iface);
    ULONG ref = InterlockedDecrement(&This->ref);
 
    TRACE("(%p) refcount=%lu\n", iface, ref);
 
    if (ref == 0)
    {
        IWICMetadataWriter_Release(&This->parent->IWICMetadataWriter_iface);
        free(This);
    }
 
    return ref;
}

MetadataHandlerEnum_Reset()

static HRESULT WINAPI MetadataHandlerEnum_Reset ( IWICEnumMetadataItem *  iface )

static

Definition at line 627 of file metadatahandler.c.

{
    MetadataHandlerEnum *This = impl_from_IWICEnumMetadataItem(iface);
 
    EnterCriticalSection(&This->parent->lock);
 
    This->index = 0;
 
    LeaveCriticalSection(&This->parent->lock);
 
    return S_OK;
}

MetadataHandlerEnum_Skip()

static HRESULT WINAPI MetadataHandlerEnum_Skip ( IWICEnumMetadataItem *  iface, ULONG  celt  )

static

Definition at line 613 of file metadatahandler.c.

{
    MetadataHandlerEnum *This = impl_from_IWICEnumMetadataItem(iface);
 
    EnterCriticalSection(&This->parent->lock);
 
    This->index += celt;
 
    LeaveCriticalSection(&This->parent->lock);
 
    return S_OK;
}

MetadataReader_Create()

HRESULT MetadataReader_Create	(	const MetadataHandlerVtbl *	vtable,
		REFIID	iid,
		void **	ppv
	)

Definition at line 466 of file metadatahandler.c.

{
    MetadataHandler *This;
    HRESULT hr;
 
    TRACE("%s\n", debugstr_guid(vtable->clsid));
 
    *ppv = NULL;
 
    This = malloc(sizeof(MetadataHandler));
    if (!This) return E_OUTOFMEMORY;
 
    This->IWICMetadataWriter_iface.lpVtbl = &MetadataHandler_Vtbl;
    This->IWICPersistStream_iface.lpVtbl = &MetadataHandler_PersistStream_Vtbl;
    This->IWICStreamProvider_iface.lpVtbl = &MetadataHandler_StreamProvider_Vtbl;
    This->ref = 1;
    This->vtable = vtable;
    This->items = NULL;
    This->item_count = 0;
 
#ifdef __REACTOS__
    InitializeCriticalSection(&This->lock);
#else
    InitializeCriticalSectionEx(&This->lock, 0, RTL_CRITICAL_SECTION_FLAG_FORCE_DEBUG_INFO);
#endif
    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;
}

Referenced by APEReader_CreateInstance(), GCEReader_CreateInstance(), GifCommentReader_CreateInstance(), IfdMetadataReader_CreateInstance(), IMDReader_CreateInstance(), LSDReader_CreateInstance(), PngChrmReader_CreateInstance(), PngGamaReader_CreateInstance(), PngHistReader_CreateInstance(), PngTextReader_CreateInstance(), PngTimeReader_CreateInstance(), and UnknownMetadataReader_CreateInstance().

tag_to_vt()

static int tag_to_vt ( SHORT  tag )

static

Definition at line 773 of file metadatahandler.c.

{
    static const int tag2vt[] =
    {
        VT_EMPTY, /* 0 */
        VT_UI1,   /* IFD_BYTE 1 */
        VT_LPSTR, /* IFD_ASCII 2 */
        VT_UI2,   /* IFD_SHORT 3 */
        VT_UI4,   /* IFD_LONG 4 */
        VT_UI8,   /* IFD_RATIONAL 5 */
        VT_I1,    /* IFD_SBYTE 6 */
        VT_BLOB,  /* IFD_UNDEFINED 7 */
        VT_I2,    /* IFD_SSHORT 8 */
        VT_I4,    /* IFD_SLONG 9 */
        VT_I8,    /* IFD_SRATIONAL 10 */
        VT_R4,    /* IFD_FLOAT 11 */
        VT_R8,    /* IFD_DOUBLE 12 */
        VT_BLOB,  /* IFD_IFD 13 */
    };
    return (tag > 0 && tag <= 13) ? tag2vt[tag] : VT_BLOB;
}

Referenced by load_IFD_entry().

UnknownMetadataReader_CreateInstance()

HRESULT UnknownMetadataReader_CreateInstance	(	REFIID	iid,
		void **	ppv
	)

Definition at line 742 of file metadatahandler.c.

{
    return MetadataReader_Create(&UnknownMetadataReader_Vtbl, iid, ppv);
}

Referenced by create_unknown_metadata_reader(), GifDecoder_Block_GetReaderByIndex(), and GifFrameDecode_Block_GetReaderByIndex().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

wincodecs

)

Variable Documentation

IfdMetadataReader_Vtbl

const MetadataHandlerVtbl IfdMetadataReader_Vtbl

static

Initial value:

= {
    0,
    &CLSID_WICIfdMetadataReader,
    LoadIfdMetadata
}

Definition at line 1171 of file metadatahandler.c.

Referenced by IfdMetadataReader_CreateInstance().

MetadataHandler_PersistStream_Vtbl

const IWICPersistStreamVtbl MetadataHandler_PersistStream_Vtbl

static

Initial value:

= {
    MetadataHandler_PersistStream_QueryInterface,
    MetadataHandler_PersistStream_AddRef,
    MetadataHandler_PersistStream_Release,
    MetadataHandler_GetClassID,
    MetadataHandler_IsDirty,
    MetadataHandler_Load,
    MetadataHandler_Save,
    MetadataHandler_GetSizeMax,
    MetadataHandler_LoadEx,
    MetadataHandler_SaveEx
}

Definition at line 396 of file metadatahandler.c.

Referenced by MetadataReader_Create().

MetadataHandler_StreamProvider_Vtbl

const IWICStreamProviderVtbl MetadataHandler_StreamProvider_Vtbl

static

Initial value:

=
{
    metadatahandler_stream_provider_QueryInterface,
    metadatahandler_stream_provider_AddRef,
    metadatahandler_stream_provider_Release,
    metadatahandler_stream_provider_GetStream,
    metadatahandler_stream_provider_GetPersistOptions,
    metadatahandler_stream_provider_GetPreferredVendorGUID,
    metadatahandler_stream_provider_RefreshStream,
}

Definition at line 455 of file metadatahandler.c.

Referenced by MetadataReader_Create().

MetadataHandler_Vtbl

const IWICMetadataWriterVtbl MetadataHandler_Vtbl

static

Initial value:

= {
    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
}

Definition at line 289 of file metadatahandler.c.

Referenced by MetadataReader_Create().

MetadataHandlerEnum_Vtbl

const IWICEnumMetadataItemVtbl MetadataHandlerEnum_Vtbl

static

Initial value:

= {
    MetadataHandlerEnum_QueryInterface,
    MetadataHandlerEnum_AddRef,
    MetadataHandlerEnum_Release,
    MetadataHandlerEnum_Next,
    MetadataHandlerEnum_Skip,
    MetadataHandlerEnum_Reset,
    MetadataHandlerEnum_Clone
}

Definition at line 655 of file metadatahandler.c.

Referenced by MetadataHandlerEnum_Create().

UnknownMetadataReader_Vtbl

const MetadataHandlerVtbl UnknownMetadataReader_Vtbl

static

Initial value:

= {
    0,
    &CLSID_WICUnknownMetadataReader,
    LoadUnknownMetadata
}

Definition at line 736 of file metadatahandler.c.

Referenced by UnknownMetadataReader_CreateInstance().