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Commit a10719bc authored by Michael Stefaniuc's avatar Michael Stefaniuc Committed by Alexandre Julliard
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dmscript: Reimplement ParseDescriptor() for IDirectMusicScript.

Signed-off-by: 's avatarMichael Stefaniuc <mstefani@winehq.org> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent 885bd810
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Showing with 28 additions and 145 deletions
dlls/dmscript/script.c
View file @ a10719bc
......@@ -209,154 +209,37 @@ static inline IDirectMusicScriptImpl *impl_from_IDirectMusicObject(IDirectMusicO
return CONTAINING_RECORD(iface, IDirectMusicScriptImpl, dmobj.IDirectMusicObject_iface);
}
static HRESULT WINAPI IDirectMusicObjectImpl_ParseDescriptor(IDirectMusicObject *iface,
IStream *pStream, DMUS_OBJECTDESC *pDesc)
static HRESULT WINAPI script_IDirectMusicObject_ParseDescriptor(IDirectMusicObject *iface,
IStream *stream, DMUS_OBJECTDESC *desc)
{
IDirectMusicScriptImpl *This = impl_from_IDirectMusicObject(iface);
DMUS_PRIVATE_CHUNK Chunk;
DWORD StreamSize, StreamCount, ListSize[1], ListCount[1];
LARGE_INTEGER liMove; /* used when skipping chunks */
struct chunk_entry riff = {0};
HRESULT hr;
TRACE("(%p, %p, %p)\n", This, pStream, pDesc);
TRACE("(%p, %p, %p)\n", iface, stream, desc);
/* FIXME: should this be determined from stream? */
pDesc->dwValidData |= DMUS_OBJ_CLASS;
pDesc->guidClass = CLSID_DirectMusicScript;
if (!stream || !desc)
return E_POINTER;
IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
case FOURCC_RIFF: {
IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": RIFF chunk of type %s", debugstr_fourcc(Chunk.fccID));
StreamSize = Chunk.dwSize - sizeof(FOURCC);
StreamCount = 0;
if (Chunk.fccID == DMUS_FOURCC_SCRIPT_FORM) {
TRACE_(dmfile)(": script form\n");
do {
IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
case DMUS_FOURCC_GUID_CHUNK: {
TRACE_(dmfile)(": GUID chunk\n");
pDesc->dwValidData |= DMUS_OBJ_OBJECT;
IStream_Read (pStream, &pDesc->guidObject, Chunk.dwSize, NULL);
break;
}
case DMUS_FOURCC_VERSION_CHUNK: {
TRACE_(dmfile)(": version chunk\n");
pDesc->dwValidData |= DMUS_OBJ_VERSION;
IStream_Read (pStream, &pDesc->vVersion, Chunk.dwSize, NULL);
break;
}
case DMUS_FOURCC_CATEGORY_CHUNK: {
TRACE_(dmfile)(": category chunk\n");
pDesc->dwValidData |= DMUS_OBJ_CATEGORY;
IStream_Read (pStream, pDesc->wszCategory, Chunk.dwSize, NULL);
break;
}
case FOURCC_LIST: {
IStream_Read (pStream, &Chunk.fccID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
ListSize[0] = Chunk.dwSize - sizeof(FOURCC);
ListCount[0] = 0;
switch (Chunk.fccID) {
/* evil M$ UNFO list, which can (!?) contain INFO elements */
case DMUS_FOURCC_UNFO_LIST: {
TRACE_(dmfile)(": UNFO list\n");
do {
IStream_Read (pStream, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = 0x%04x)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
switch (Chunk.fccID) {
/* don't ask me why, but M$ puts INFO elements in UNFO list sometimes
(though strings seem to be valid unicode) */
case mmioFOURCC('I','N','A','M'):
case DMUS_FOURCC_UNAM_CHUNK: {
TRACE_(dmfile)(": name chunk\n");
pDesc->dwValidData |= DMUS_OBJ_NAME;
IStream_Read (pStream, pDesc->wszName, Chunk.dwSize, NULL);
break;
}
case mmioFOURCC('I','A','R','T'):
case DMUS_FOURCC_UART_CHUNK: {
TRACE_(dmfile)(": artist chunk (ignored)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
case mmioFOURCC('I','C','O','P'):
case DMUS_FOURCC_UCOP_CHUNK: {
TRACE_(dmfile)(": copyright chunk (ignored)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
case mmioFOURCC('I','S','B','J'):
case DMUS_FOURCC_USBJ_CHUNK: {
TRACE_(dmfile)(": subject chunk (ignored)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
case mmioFOURCC('I','C','M','T'):
case DMUS_FOURCC_UCMT_CHUNK: {
TRACE_(dmfile)(": comment chunk (ignored)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
TRACE_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]);
} while (ListCount[0] < ListSize[0]);
break;
}
default: {
TRACE_(dmfile)(": unknown (skipping)\n");
liMove.QuadPart = Chunk.dwSize - sizeof(FOURCC);
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
break;
}
default: {
TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL);
break;
}
}
TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
} while (StreamCount < StreamSize);
} else {
TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
liMove.QuadPart = StreamSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
return E_FAIL;
}
TRACE_(dmfile)(": reading finished\n");
break;
}
default: {
TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
liMove.QuadPart = Chunk.dwSize;
IStream_Seek (pStream, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
return DMUS_E_INVALIDFILE;
}
}
TRACE(": returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC (pDesc));
return S_OK;
if ((hr = stream_get_chunk(stream, &riff)) != S_OK)
return hr;
if (riff.id != FOURCC_RIFF || riff.type != DMUS_FOURCC_SCRIPT_FORM) {
TRACE("loading failed: unexpected %s\n", debugstr_chunk(&riff));
stream_skip_chunk(stream, &riff);
return DMUS_E_SCRIPT_INVALID_FILE;
}
hr = dmobj_parsedescriptor(stream, &riff, desc,
DMUS_OBJ_OBJECT|DMUS_OBJ_NAME|DMUS_OBJ_NAME_INAM|DMUS_OBJ_CATEGORY|DMUS_OBJ_VERSION);
if (FAILED(hr))
return hr;
if (desc->dwValidData) {
desc->guidClass = CLSID_DirectMusicScript;
desc->dwValidData |= DMUS_OBJ_CLASS;
}
TRACE("returning descriptor:\n%s\n", debugstr_DMUS_OBJECTDESC(desc));
return S_OK;
}
static const IDirectMusicObjectVtbl dmobject_vtbl = {
......@@ -365,7 +248,7 @@ static const IDirectMusicObjectVtbl dmobject_vtbl = {
dmobj_IDirectMusicObject_Release,
dmobj_IDirectMusicObject_GetDescriptor,
dmobj_IDirectMusicObject_SetDescriptor,
IDirectMusicObjectImpl_ParseDescriptor
script_IDirectMusicObject_ParseDescriptor
};
/* IDirectMusicScriptImpl IPersistStream part: */
......
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