dmobject.c File Reference

#include <assert.h>
#include "objbase.h"
#include "dmusici.h"
#include "dmusicf.h"
#include "dmobject.h"
#include "wine/debug.h"
#include "dmusic_private.h"

Include dependency graph for dmobject.c:

Go to the source code of this file.

Macros
#define	COBJMACROS
#define	CHUNK_HDR_SIZE   (sizeof(FOURCC) + sizeof(DWORD))

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (dmobj)
	WINE_DECLARE_DEBUG_CHANNEL (dmfile)
static const char *	debugstr_fourcc (DWORD fourcc)
const char *	debugstr_chunk (const struct chunk_entry *chunk)
static HRESULT	stream_read (IStream *stream, void *data, ULONG size)
HRESULT	stream_get_chunk (IStream *stream, struct chunk_entry *chunk)
HRESULT	stream_skip_chunk (IStream *stream, struct chunk_entry *chunk)
HRESULT	stream_next_chunk (IStream *stream, struct chunk_entry *chunk)
HRESULT	stream_chunk_get_data (IStream *stream, const struct chunk_entry *chunk, void *data, ULONG size)
HRESULT	stream_chunk_get_wstr (IStream *stream, const struct chunk_entry *chunk, WCHAR *str, ULONG size)
static struct dmobject *	impl_from_IDirectMusicObject (IDirectMusicObject *iface)
HRESULT WINAPI	dmobj_IDirectMusicObject_QueryInterface (IDirectMusicObject *iface, REFIID riid, void **ret_iface)
ULONG WINAPI	dmobj_IDirectMusicObject_AddRef (IDirectMusicObject *iface)
ULONG WINAPI	dmobj_IDirectMusicObject_Release (IDirectMusicObject *iface)
HRESULT WINAPI	dmobj_IDirectMusicObject_GetDescriptor (IDirectMusicObject *iface, DMUS_OBJECTDESC *desc)
HRESULT WINAPI	dmobj_IDirectMusicObject_SetDescriptor (IDirectMusicObject *iface, DMUS_OBJECTDESC *desc)
static void	info_get_name (IStream *stream, const struct chunk_entry *info, DMUS_OBJECTDESC *desc)
static void	unfo_get_name (IStream *stream, const struct chunk_entry *unfo, DMUS_OBJECTDESC *desc, BOOL inam)
HRESULT	dmobj_parsedescriptor (IStream *stream, const struct chunk_entry *riff, DMUS_OBJECTDESC *desc, DWORD supported)
static struct dmobject *	impl_from_IPersistStream (IPersistStream *iface)
HRESULT WINAPI	dmobj_IPersistStream_QueryInterface (IPersistStream *iface, REFIID riid, void **ret_iface)
ULONG WINAPI	dmobj_IPersistStream_AddRef (IPersistStream *iface)
ULONG WINAPI	dmobj_IPersistStream_Release (IPersistStream *iface)
HRESULT WINAPI	dmobj_IPersistStream_GetClassID (IPersistStream *iface, CLSID *class)
HRESULT WINAPI	unimpl_IPersistStream_GetClassID (IPersistStream *iface, CLSID *class)
HRESULT WINAPI	unimpl_IPersistStream_IsDirty (IPersistStream *iface)
HRESULT WINAPI	unimpl_IPersistStream_Save (IPersistStream *iface, IStream *stream, BOOL clear_dirty)
HRESULT WINAPI	unimpl_IPersistStream_GetSizeMax (IPersistStream *iface, ULARGE_INTEGER *size)
void	dmobject_init (struct dmobject *dmobj, const GUID *class, IUnknown *outer_unk)

Macro Definition Documentation

CHUNK_HDR_SIZE

#define CHUNK_HDR_SIZE   (sizeof(FOURCC) + sizeof(DWORD))

Definition at line 37 of file dmobject.c.

COBJMACROS

#define COBJMACROS

Definition at line 23 of file dmobject.c.

Function Documentation

debugstr_chunk()

const char * debugstr_chunk

(

const struct chunk_entry *

chunk

)

Definition at line 48 of file dmobject.c.

{
    const char *type = "";
 
    if (!chunk)
        return "(null)";
    if (chunk->id == FOURCC_RIFF || chunk->id == FOURCC_LIST)
        type = wine_dbg_sprintf("type %s, ", debugstr_fourcc(chunk->type));
    return wine_dbg_sprintf("%s chunk, %ssize %u", debugstr_fourcc(chunk->id), type, chunk->size);
}

Referenced by col_IDirectMusicObject_ParseDescriptor(), dmobj_parsedescriptor(), and stream_get_chunk().

debugstr_fourcc()

static const char * debugstr_fourcc ( DWORD  fourcc )

inlinestatic

Definition at line 40 of file dmobject.c.

{
    if (!fourcc) return "''";
    return wine_dbg_sprintf("'%c%c%c%c'", (char)(fourcc), (char)(fourcc >> 8),
            (char)(fourcc >> 16), (char)(fourcc >> 24));
}

Referenced by debugstr_chunk(), and stream_chunk_get_data().

dmobj_IDirectMusicObject_AddRef()

ULONG WINAPI dmobj_IDirectMusicObject_AddRef

(

IDirectMusicObject *

iface

)

Definition at line 188 of file dmobject.c.

{
    struct dmobject *This = impl_from_IDirectMusicObject(iface);
    return IUnknown_AddRef(This->outer_unk);
}

dmobj_IDirectMusicObject_GetDescriptor()

HRESULT WINAPI dmobj_IDirectMusicObject_GetDescriptor	(	IDirectMusicObject *	iface,
		DMUS_OBJECTDESC *	desc
	)

Definition at line 200 of file dmobject.c.

{
    struct dmobject *This = impl_from_IDirectMusicObject(iface);
 
    TRACE("(%p/%p)->(%p)\n", iface, This, desc);
 
    if (!desc)
        return E_POINTER;
 
    memcpy(desc, &This->desc, This->desc.dwSize);
 
    return S_OK;
}

dmobj_IDirectMusicObject_QueryInterface()

HRESULT WINAPI dmobj_IDirectMusicObject_QueryInterface	(	IDirectMusicObject *	iface,
		REFIID	riid,
		void **	ret_iface
	)

Definition at line 181 of file dmobject.c.

{
    struct dmobject *This = impl_from_IDirectMusicObject(iface);
    return IUnknown_QueryInterface(This->outer_unk, riid, ret_iface);
}

dmobj_IDirectMusicObject_Release()

ULONG WINAPI dmobj_IDirectMusicObject_Release

(

IDirectMusicObject *

iface

)

Definition at line 194 of file dmobject.c.

{
    struct dmobject *This = impl_from_IDirectMusicObject(iface);
    return IUnknown_Release(This->outer_unk);
}

dmobj_IDirectMusicObject_SetDescriptor()

HRESULT WINAPI dmobj_IDirectMusicObject_SetDescriptor	(	IDirectMusicObject *	iface,
		DMUS_OBJECTDESC *	desc
	)

Definition at line 215 of file dmobject.c.

{
    struct dmobject *This = impl_from_IDirectMusicObject(iface);
    HRESULT ret = S_OK;
 
    TRACE("(%p, %p)\n", iface, desc);
 
    if (!desc)
        return E_POINTER;
 
    /* Immutable property */
    if (desc->dwValidData & DMUS_OBJ_CLASS)
    {
        desc->dwValidData &= ~DMUS_OBJ_CLASS;
        ret = S_FALSE;
    }
    /* Set only valid fields */
    if (desc->dwValidData & DMUS_OBJ_OBJECT)
        This->desc.guidObject = desc->guidObject;
    if (desc->dwValidData & DMUS_OBJ_NAME)
        lstrcpynW(This->desc.wszName, desc->wszName, DMUS_MAX_NAME);
    if (desc->dwValidData & DMUS_OBJ_CATEGORY)
        lstrcpynW(This->desc.wszCategory, desc->wszCategory, DMUS_MAX_CATEGORY);
    if (desc->dwValidData & DMUS_OBJ_FILENAME)
        lstrcpynW(This->desc.wszFileName, desc->wszFileName, DMUS_MAX_FILENAME);
    if (desc->dwValidData & DMUS_OBJ_VERSION)
        This->desc.vVersion = desc->vVersion;
    if (desc->dwValidData & DMUS_OBJ_DATE)
        This->desc.ftDate = desc->ftDate;
    if (desc->dwValidData & DMUS_OBJ_MEMORY) {
        This->desc.llMemLength = desc->llMemLength;
        memcpy(This->desc.pbMemData, desc->pbMemData, desc->llMemLength);
    }
    if (desc->dwValidData & DMUS_OBJ_STREAM)
        IStream_Clone(desc->pStream, &This->desc.pStream);
 
    This->desc.dwValidData |= desc->dwValidData;
 
    return ret;
}

dmobj_IPersistStream_AddRef()

ULONG WINAPI dmobj_IPersistStream_AddRef

(

IPersistStream *

iface

)

Definition at line 354 of file dmobject.c.

{
    struct dmobject *This = impl_from_IPersistStream(iface);
    return IUnknown_AddRef(This->outer_unk);
}

dmobj_IPersistStream_GetClassID()

HRESULT WINAPI dmobj_IPersistStream_GetClassID	(	IPersistStream *	iface,
		CLSID *	class
	)

Definition at line 366 of file dmobject.c.

{
    struct dmobject *This = impl_from_IPersistStream(iface);
 
    TRACE("(%p, %p)\n", This, class);
 
    if (!class)
        return E_POINTER;
 
    *class = This->desc.guidClass;
 
    return S_OK;
}

dmobj_IPersistStream_QueryInterface()

HRESULT WINAPI dmobj_IPersistStream_QueryInterface	(	IPersistStream *	iface,
		REFIID	riid,
		void **	ret_iface
	)

Definition at line 347 of file dmobject.c.

{
    struct dmobject *This = impl_from_IPersistStream(iface);
    return IUnknown_QueryInterface(This->outer_unk, riid, ret_iface);
}

dmobj_IPersistStream_Release()

ULONG WINAPI dmobj_IPersistStream_Release

(

IPersistStream *

iface

)

Definition at line 360 of file dmobject.c.

{
    struct dmobject *This = impl_from_IPersistStream(iface);
    return IUnknown_Release(This->outer_unk);
}

dmobj_parsedescriptor()

HRESULT dmobj_parsedescriptor	(	IStream *	stream,
		const struct chunk_entry *	riff,
		DMUS_OBJECTDESC *	desc,
		DWORD	supported
	)

Definition at line 296 of file dmobject.c.

{
#ifndef __REACTOS__
    struct chunk_entry chunk = {.parent = riff};
#else
    struct chunk_entry chunk = { 0, 0, 0, {{0}}, riff };
#endif
    HRESULT hr;
 
    TRACE("Looking for %#x in %p: %s\n", supported, stream, debugstr_chunk(riff));
 
    desc->dwValidData = 0;
    desc->dwSize = sizeof(*desc);
 
    while ((hr = stream_next_chunk(stream, &chunk)) == S_OK) {
        switch (chunk.id) {
            case DMUS_FOURCC_GUID_CHUNK:
                if ((supported & DMUS_OBJ_OBJECT) && stream_chunk_get_data(stream, &chunk,
                            &desc->guidObject, sizeof(desc->guidObject)) == S_OK)
                    desc->dwValidData |= DMUS_OBJ_OBJECT;
                break;
            case DMUS_FOURCC_CATEGORY_CHUNK:
                if ((supported & DMUS_OBJ_CATEGORY) && stream_chunk_get_wstr(stream, &chunk,
                            desc->wszCategory, sizeof(desc->wszCategory)) == S_OK)
                    desc->dwValidData |= DMUS_OBJ_CATEGORY;
                break;
            case DMUS_FOURCC_VERSION_CHUNK:
                if ((supported & DMUS_OBJ_VERSION) && stream_chunk_get_data(stream, &chunk,
                            &desc->vVersion, sizeof(desc->vVersion)) == S_OK)
                    desc->dwValidData |= DMUS_OBJ_VERSION;
                break;
            case FOURCC_LIST:
                if (chunk.type == DMUS_FOURCC_UNFO_LIST && (supported & DMUS_OBJ_NAME))
                    unfo_get_name(stream, &chunk, desc, supported & DMUS_OBJ_NAME_INAM);
                else if (chunk.type == DMUS_FOURCC_INFO_LIST && (supported & DMUS_OBJ_NAME_INFO))
                    info_get_name(stream, &chunk, desc);
                break;
        }
    }
    TRACE("Found %#x\n", desc->dwValidData);
 
    return hr;
}

Referenced by col_IDirectMusicObject_ParseDescriptor().

dmobject_init()

void dmobject_init	(	struct dmobject *	dmobj,
		const GUID *	class,
		IUnknown *	outer_unk
	)

Definition at line 407 of file dmobject.c.

{
    dmobj->outer_unk = outer_unk;
    dmobj->desc.dwSize = sizeof(dmobj->desc);
    dmobj->desc.dwValidData = DMUS_OBJ_CLASS;
    dmobj->desc.guidClass = *class;
}

Referenced by DMUSIC_CreateDirectMusicCollectionImpl().

impl_from_IDirectMusicObject()

static struct dmobject * impl_from_IDirectMusicObject ( IDirectMusicObject *  iface )

inlinestatic

Definition at line 176 of file dmobject.c.

{
    return CONTAINING_RECORD(iface, struct dmobject, IDirectMusicObject_iface);
}

Referenced by dmobj_IDirectMusicObject_AddRef(), dmobj_IDirectMusicObject_GetDescriptor(), dmobj_IDirectMusicObject_QueryInterface(), dmobj_IDirectMusicObject_Release(), and dmobj_IDirectMusicObject_SetDescriptor().

impl_from_IPersistStream()

static struct dmobject * impl_from_IPersistStream ( IPersistStream *  iface )

inlinestatic

Definition at line 342 of file dmobject.c.

{
    return CONTAINING_RECORD(iface, struct dmobject, IPersistStream_iface);
}

Referenced by dmobj_IPersistStream_AddRef(), dmobj_IPersistStream_GetClassID(), dmobj_IPersistStream_QueryInterface(), and dmobj_IPersistStream_Release().

info_get_name()

static void info_get_name ( IStream *  stream, const struct chunk_entry *  info, DMUS_OBJECTDESC *  desc  )

inlinestatic

Definition at line 258 of file dmobject.c.

{
#ifndef __REACTOS__
    struct chunk_entry chunk = {.parent = info};
#else
    struct chunk_entry chunk = { 0, 0, 0, {{0}}, info };
#endif
    char name[DMUS_MAX_NAME];
    ULONG len;
    HRESULT hr = E_FAIL;
 
    while (stream_next_chunk(stream, &chunk) == S_OK)
        if (chunk.id == mmioFOURCC('I','N','A','M'))
            hr = IStream_Read(stream, name, min(chunk.size, sizeof(name)), &len);
 
    if (SUCCEEDED(hr)) {
        len = MultiByteToWideChar(CP_ACP, 0, name, len, desc->wszName, sizeof(desc->wszName));
        desc->wszName[min(len, sizeof(desc->wszName) - 1)] = 0;
        desc->dwValidData |= DMUS_OBJ_NAME;
    }
}

Referenced by dmobj_parsedescriptor().

stream_chunk_get_data()

HRESULT stream_chunk_get_data	(	IStream *	stream,
		const struct chunk_entry *	chunk,
		void *	data,
		ULONG	size
	)

Definition at line 143 of file dmobject.c.

{
    if (chunk->size != size) {
        WARN_(dmfile)("Chunk %s (size %u, offset %s) doesn't contains the expected data size %u\n",
                debugstr_fourcc(chunk->id), chunk->size,
                wine_dbgstr_longlong(chunk->offset.QuadPart), size);
        return E_FAIL;
    }
    return stream_read(stream, data, size);
}

Referenced by dmobj_parsedescriptor().

stream_chunk_get_wstr()

HRESULT stream_chunk_get_wstr	(	IStream *	stream,
		const struct chunk_entry *	chunk,
		WCHAR *	str,
		ULONG	size
	)

Definition at line 155 of file dmobject.c.

{
    ULONG len;
    HRESULT hr;
 
    hr = IStream_Read(stream, str, min(chunk->size, size), &len);
    if (FAILED(hr))
        return hr;
 
    /* Don't assume the string is properly zero terminated */
    str[min(len, size - 1)] = 0;
 
    if (len < chunk->size)
        return S_FALSE;
    return S_OK;
}

Referenced by dmobj_parsedescriptor(), and unfo_get_name().

stream_get_chunk()

HRESULT stream_get_chunk	(	IStream *	stream,
		struct chunk_entry *	chunk
	)

Definition at line 76 of file dmobject.c.

{
    static const LARGE_INTEGER zero;
    ULONGLONG ck_end = 0, p_end = 0;
    HRESULT hr;
 
    hr = IStream_Seek(stream, zero, STREAM_SEEK_CUR, &chunk->offset);
    if (FAILED(hr))
        return hr;
    assert(!(chunk->offset.QuadPart & 1));
    if (chunk->parent) {
        p_end = chunk->parent->offset.QuadPart + CHUNK_HDR_SIZE + ((chunk->parent->size + 1) & ~1);
        if (chunk->offset.QuadPart == p_end)
            return S_FALSE;
        ck_end = chunk->offset.QuadPart + CHUNK_HDR_SIZE;
        if (ck_end > p_end) {
            WARN_(dmfile)("No space for sub-chunk header in parent chunk: ends at offset %s > %s\n",
                    wine_dbgstr_longlong(ck_end), wine_dbgstr_longlong(p_end));
            return E_FAIL;
        }
    }
 
    hr = stream_read(stream, chunk, CHUNK_HDR_SIZE);
    if (hr != S_OK)
        return hr;
    if (chunk->parent) {
        ck_end += (chunk->size + 1) & ~1;
        if (ck_end > p_end) {
            WARN_(dmfile)("No space for sub-chunk data in parent chunk: ends at offset %s > %s\n",
                    wine_dbgstr_longlong(ck_end), wine_dbgstr_longlong(p_end));
            return E_FAIL;
        }
    }
 
    if (chunk->id == FOURCC_LIST || chunk->id == FOURCC_RIFF) {
        hr = stream_read(stream, &chunk->type, sizeof(FOURCC));
        if (hr != S_OK)
            return hr != S_FALSE ? hr : E_FAIL;
    }
 
    TRACE_(dmfile)("Returning %s\n", debugstr_chunk(chunk));
 
    return S_OK;
}

Referenced by col_IDirectMusicObject_ParseDescriptor(), and stream_next_chunk().

stream_next_chunk()

HRESULT stream_next_chunk	(	IStream *	stream,
		struct chunk_entry *	chunk
	)

Definition at line 130 of file dmobject.c.

{
    HRESULT hr;
 
    if (chunk->id) {
        hr = stream_skip_chunk(stream, chunk);
        if (FAILED(hr))
            return hr;
    }
 
    return stream_get_chunk(stream, chunk);
}

Referenced by dmobj_parsedescriptor(), info_get_name(), and unfo_get_name().

stream_read()

static HRESULT stream_read ( IStream *  stream, void *  data, ULONG  size  )

static

Definition at line 59 of file dmobject.c.

{
    ULONG read;
    HRESULT hr;
 
    hr = IStream_Read(stream, data, size, &read);
    if (FAILED(hr))
        TRACE_(dmfile)("IStream_Read failed: %08x\n", hr);
    else if (!read && read < size) {
        /* All or nothing: Handle a partial read due to end of stream as an error */
        TRACE_(dmfile)("Short read: %u < %u\n", read, size);
        return E_FAIL;
    }
 
    return hr;
}

stream_skip_chunk()

HRESULT stream_skip_chunk	(	IStream *	stream,
		struct chunk_entry *	chunk
	)

Definition at line 121 of file dmobject.c.

{
    LARGE_INTEGER end;
 
    end.QuadPart = (chunk->offset.QuadPart + CHUNK_HDR_SIZE + chunk->size + 1) & ~(ULONGLONG)1;
 
    return IStream_Seek(stream, end, STREAM_SEEK_SET, NULL);
}

Referenced by col_IDirectMusicObject_ParseDescriptor(), and stream_next_chunk().

unfo_get_name()

static void unfo_get_name ( IStream *  stream, const struct chunk_entry *  unfo, DMUS_OBJECTDESC *  desc, BOOL  inam  )

inlinestatic

Definition at line 281 of file dmobject.c.

{
#ifndef __REACTOS__
    struct chunk_entry chunk = {.parent = unfo};
#else
    struct chunk_entry chunk = { 0, 0, 0, {{0}}, unfo };
#endif
 
    while (stream_next_chunk(stream, &chunk) == S_OK)
        if (chunk.id == DMUS_FOURCC_UNAM_CHUNK || (inam && chunk.id == mmioFOURCC('I','N','A','M')))
            if (stream_chunk_get_wstr(stream, &chunk, desc->wszName, sizeof(desc->wszName)) == S_OK)
                desc->dwValidData |= DMUS_OBJ_NAME;
}

Referenced by dmobj_parsedescriptor().

unimpl_IPersistStream_GetClassID()

HRESULT WINAPI unimpl_IPersistStream_GetClassID	(	IPersistStream *	iface,
		CLSID *	class
	)

Definition at line 381 of file dmobject.c.

{
    TRACE("(%p, %p): method not implemented\n", iface, class);
    return E_NOTIMPL;
}

unimpl_IPersistStream_GetSizeMax()

HRESULT WINAPI unimpl_IPersistStream_GetSizeMax	(	IPersistStream *	iface,
		ULARGE_INTEGER *	size
	)

Definition at line 400 of file dmobject.c.

{
    TRACE("(%p, %p): method not implemented\n", iface, size);
    return E_NOTIMPL;
}

unimpl_IPersistStream_IsDirty()

HRESULT WINAPI unimpl_IPersistStream_IsDirty

(

IPersistStream *

iface

)

Definition at line 387 of file dmobject.c.

{
    TRACE("(%p): method not implemented, always returning S_FALSE\n", iface);
    return S_FALSE;
}

unimpl_IPersistStream_Save()

HRESULT WINAPI unimpl_IPersistStream_Save	(	IPersistStream *	iface,
		IStream *	stream,
		BOOL	clear_dirty
	)

Definition at line 393 of file dmobject.c.

{
    TRACE("(%p, %p, %d): method not implemented\n", iface, stream, clear_dirty);
    return E_NOTIMPL;
}

WINE_DECLARE_DEBUG_CHANNEL()

WINE_DECLARE_DEBUG_CHANNEL

(

dmfile

)

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

dmobj

)