#include "wine/debug.h"

Include dependency graph for dmobject.h:

This graph shows which files directly or indirectly include this file:

Classes
struct	chunk_entry

struct	dmobject

Macros
#define	DMUS_OBJ_NAME_INAM 0x1000 /* 'INAM' chunk in UNFO list */

#define	DMUS_OBJ_NAME_INFO 0x2000 /* 'INAM' chunk in INFO list */

Functions
HRESULT	stream_get_chunk (IStream stream, struct chunk_entry chunk) DECLSPEC_HIDDEN

HRESULT	stream_next_chunk (IStream stream, struct chunk_entry chunk) DECLSPEC_HIDDEN

HRESULT	stream_skip_chunk (IStream stream, struct chunk_entry chunk) DECLSPEC_HIDDEN

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

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

static HRESULT	stream_reset_chunk_data (IStream stream, const struct chunk_entry chunk)

static HRESULT	stream_reset_chunk_start (IStream stream, const struct chunk_entry chunk)

const char *	debugstr_chunk (const struct chunk_entry *chunk) DECLSPEC_HIDDEN

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

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

ULONG WINAPI	dmobj_IDirectMusicObject_AddRef (IDirectMusicObject *iface) DECLSPEC_HIDDEN

ULONG WINAPI	dmobj_IDirectMusicObject_Release (IDirectMusicObject *iface) DECLSPEC_HIDDEN

HRESULT WINAPI	dmobj_IDirectMusicObject_GetDescriptor (IDirectMusicObject iface, DMUS_OBJECTDESC desc) DECLSPEC_HIDDEN

HRESULT WINAPI	dmobj_IDirectMusicObject_SetDescriptor (IDirectMusicObject iface, DMUS_OBJECTDESC desc) DECLSPEC_HIDDEN

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

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

ULONG WINAPI	dmobj_IPersistStream_AddRef (IPersistStream *iface) DECLSPEC_HIDDEN

ULONG WINAPI	dmobj_IPersistStream_Release (IPersistStream *iface) DECLSPEC_HIDDEN

HRESULT WINAPI	dmobj_IPersistStream_GetClassID (IPersistStream iface, CLSID class) DECLSPEC_HIDDEN

HRESULT WINAPI	unimpl_IPersistStream_GetClassID (IPersistStream iface, CLSID class) DECLSPEC_HIDDEN

HRESULT WINAPI	unimpl_IPersistStream_IsDirty (IPersistStream *iface) DECLSPEC_HIDDEN

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

HRESULT WINAPI	unimpl_IPersistStream_GetSizeMax (IPersistStream iface, ULARGE_INTEGER size) DECLSPEC_HIDDEN

Macro Definition Documentation

◆ DMUS_OBJ_NAME_INAM

#define DMUS_OBJ_NAME_INAM 0x1000 /* 'INAM' chunk in UNFO list */

Definition at line 93 of file dmobject.h.

◆ DMUS_OBJ_NAME_INFO

#define DMUS_OBJ_NAME_INFO 0x2000 /* 'INAM' chunk in INFO list */

Definition at line 94 of file dmobject.h.

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().

◆ 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().

◆ 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_reset_chunk_data()

static HRESULT stream_reset_chunk_data	(	IStream *	stream,
		const struct chunk_entry *	chunk
	)

inlinestatic

Definition at line 45 of file dmobject.h.

{
    LARGE_INTEGER offset;
 
    offset.QuadPart = chunk->offset.QuadPart + sizeof(FOURCC) + sizeof(DWORD);
    if (chunk->id == FOURCC_RIFF || chunk->id == FOURCC_LIST)
        offset.QuadPart += sizeof(FOURCC);
 
    return IStream_Seek(stream, offset, STREAM_SEEK_SET, NULL);
}

◆ stream_reset_chunk_start()

static HRESULT stream_reset_chunk_start	(	IStream *	stream,
		const struct chunk_entry *	chunk
	)

inlinestatic

Definition at line 56 of file dmobject.h.

{
    LARGE_INTEGER offset;
 
    offset.QuadPart = chunk->offset.QuadPart;
 
    return IStream_Seek(stream, offset, STREAM_SEEK_SET, NULL);
}

◆ 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);
}