[PATCH] dswave: Simplify the stub WAVE IPersistStream_Load()
Signed-off-by: Michael Stefaniuc <mstefani(a)winehq.org> --- dlls/dswave/dswave.c | 166 ++++------------------------------- dlls/dswave/dswave_private.h | 9 -- 2 files changed, 19 insertions(+), 156 deletions(-) diff --git a/dlls/dswave/dswave.c b/dlls/dswave/dswave.c index a561660cfa1..349c7e2fda5 100644 --- a/dlls/dswave/dswave.c +++ b/dlls/dswave/dswave.c @@ -21,8 +21,7 @@ #include "dmobject.h" WINE_DEFAULT_DEBUG_CHANNEL(dswave); -WINE_DECLARE_DEBUG_CHANNEL(dmfile); - + /* an interface that is, according to my tests, obtained by loader after loading object; is it acting as some sort of bridge between object and loader? */ static const GUID IID_IDirectMusicWavePRIVATE = {0x69e934e4,0x97f1,0x4f1d,{0x88,0xe8,0xf2,0xac,0x88,0x67,0x13,0x27}}; @@ -144,151 +143,24 @@ static inline IDirectMusicWaveImpl *impl_from_IPersistStream(IPersistStream *ifa return CONTAINING_RECORD(iface, IDirectMusicWaveImpl, dmobj.IPersistStream_iface); } -static HRESULT WINAPI IPersistStreamImpl_Load(IPersistStream *iface, IStream *pStm) +static HRESULT WINAPI wave_IPersistStream_Load(IPersistStream *iface, IStream *stream) { - IDirectMusicWaveImpl *This = impl_from_IPersistStream(iface); - DMUS_PRIVATE_CHUNK Chunk; - DWORD StreamSize, StreamCount, ListSize[1], ListCount[1]; - LARGE_INTEGER liMove; /* used when skipping chunks */ - - FIXME("(%p, %p): loading not implemented yet (only descriptor is loaded)\n", This, pStm); - - /* FIXME: should this be determined from stream? */ - This->dmobj.desc.dwValidData |= DMUS_OBJ_CLASS; - This->dmobj.desc.guidClass = CLSID_DirectMusicSegment; - - IStream_Read (pStm, &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 (pStm, &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 == mmioFOURCC('W','A','V','E')) { - TRACE_(dmfile)(": wave form\n"); - do { - IStream_Read (pStm, &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"); - This->dmobj.desc.dwValidData |= DMUS_OBJ_OBJECT; - IStream_Read (pStm, &This->dmobj.desc.guidObject, Chunk.dwSize, NULL); - break; - } - case DMUS_FOURCC_VERSION_CHUNK: { - TRACE_(dmfile)(": version chunk\n"); - This->dmobj.desc.dwValidData |= DMUS_OBJ_VERSION; - IStream_Read (pStm, &This->dmobj.desc.vVersion, Chunk.dwSize, NULL); - break; - } - case DMUS_FOURCC_CATEGORY_CHUNK: { - TRACE_(dmfile)(": category chunk\n"); - This->dmobj.desc.dwValidData |= DMUS_OBJ_CATEGORY; - IStream_Read (pStm, This->dmobj.desc.wszCategory, Chunk.dwSize, NULL); - break; - } - case FOURCC_LIST: { - IStream_Read (pStm, &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 (pStm, &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"); - This->dmobj.desc.dwValidData |= DMUS_OBJ_NAME; - IStream_Read (pStm, This->dmobj.desc.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 (pStm, 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 (pStm, 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 (pStm, 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 (pStm, liMove, STREAM_SEEK_CUR, NULL); - break; - } - default: { - TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n"); - liMove.QuadPart = Chunk.dwSize; - IStream_Seek (pStm, 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 (pStm, liMove, STREAM_SEEK_CUR, NULL); - break; - } - } - break; - } - default: { - TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n"); - liMove.QuadPart = Chunk.dwSize; - IStream_Seek (pStm, 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 (pStm, 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 (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */ - return DMUS_E_INVALIDFILE; - } - } - - return S_OK; + IDirectMusicWaveImpl *This = impl_from_IPersistStream(iface); + struct chunk_entry riff = {0}; + + /* Without the private interface the implementation should go to dmime/segment.c */ + FIXME("(%p, %p): loading not implemented (only descriptor is loaded)\n", This, stream); + + if (!stream) + return E_POINTER; + + if (stream_get_chunk(stream, &riff) != S_OK || riff.id != FOURCC_RIFF || + riff.type != mmioFOURCC('W','A','V','E')) + return DMUS_E_UNSUPPORTED_STREAM; + stream_reset_chunk_start(stream, &riff); + + return IDirectMusicObject_ParseDescriptor(&This->dmobj.IDirectMusicObject_iface, stream, + &This->dmobj.desc); } static const IPersistStreamVtbl persiststream_vtbl = { @@ -297,7 +169,7 @@ static const IPersistStreamVtbl persiststream_vtbl = { dmobj_IPersistStream_Release, dmobj_IPersistStream_GetClassID, unimpl_IPersistStream_IsDirty, - IPersistStreamImpl_Load, + wave_IPersistStream_Load, unimpl_IPersistStream_Save, unimpl_IPersistStream_GetSizeMax }; diff --git a/dlls/dswave/dswave_private.h b/dlls/dswave/dswave_private.h index 10560d02541..5b5eb7a937d 100644 --- a/dlls/dswave/dswave_private.h +++ b/dlls/dswave/dswave_private.h @@ -51,13 +51,4 @@ extern LONG DSWAVE_refCount DECLSPEC_HIDDEN; static inline void DSWAVE_LockModule(void) { InterlockedIncrement( &DSWAVE_refCount ); } static inline void DSWAVE_UnlockModule(void) { InterlockedDecrement( &DSWAVE_refCount ); } -/***************************************************************************** - * Misc. - */ -/* for simpler reading */ -typedef struct _DMUS_PRIVATE_CHUNK { - FOURCC fccID; /* FOURCC ID of the chunk */ - DWORD dwSize; /* size of the chunk */ -} DMUS_PRIVATE_CHUNK, *LPDMUS_PRIVATE_CHUNK; - #endif /* __WINE_DSWAVE_PRIVATE_H */ -- 2.26.2
participants (1)
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Michael Stefaniuc