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dmime: Reimplement IPersistStream_Load() for DMSegment. 

Signed-off-by: Michael Stefaniuc <mstefani@winehq.org>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Michael Stefaniuc 2018-03-16 01:32:24 +01:00 committed by Alexandre Julliard
parent bf7b21ec7b
commit b73c4ec440
2 changed files with 49 additions and 57 deletions
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20
dlls/dmime/dmobject.h
View File

@ -40,6 +40,26 @@ HRESULT stream_chunk_get_data(IStream *stream, const struct chunk_entry *chunk,
HRESULT stream_chunk_get_wstr(IStream *stream, const struct chunk_entry *chunk, WCHAR *str,
ULONG size) DECLSPEC_HIDDEN;
static inline HRESULT stream_reset_chunk_data(IStream *stream, const struct chunk_entry *chunk)
{
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);
}
static inline HRESULT stream_reset_chunk_start(IStream *stream, const struct chunk_entry *chunk)
{
LARGE_INTEGER offset;
offset.QuadPart = chunk->offset.QuadPart;
return IStream_Seek(stream, offset, STREAM_SEEK_SET, NULL);
}
const char *debugstr_chunk(const struct chunk_entry *chunk) DECLSPEC_HIDDEN;

86
dlls/dmime/segment.c
View File

@ -873,20 +873,14 @@ static HRESULT parse_track_list(IDirectMusicSegment8Impl *This, DMUS_PRIVATE_CHU
return S_OK;
}
static HRESULT parse_segment_form(IDirectMusicSegment8Impl *This, DMUS_PRIVATE_CHUNK *pChunk,
IStream *pStm)
static HRESULT parse_segment_form(IDirectMusicSegment8Impl *This, DWORD StreamSize, IStream *pStm)
{
HRESULT hr = E_FAIL;
DMUS_PRIVATE_CHUNK Chunk;
DWORD StreamSize, StreamCount, ListSize[3], ListCount[3];
DWORD StreamCount, ListSize[3], ListCount[3];
LARGE_INTEGER liMove; /* used when skipping chunks */
if (pChunk->fccID != DMUS_FOURCC_SEGMENT_FORM) {
ERR_(dmfile)(": %s chunk should be a segment form\n", debugstr_fourcc (pChunk->fccID));
return E_FAIL;
}
StreamSize = pChunk->dwSize - sizeof(FOURCC);
StreamSize -= sizeof(FOURCC);
StreamCount = 0;
do {
@ -1006,57 +1000,35 @@ static inline IDirectMusicSegment8Impl *impl_from_IPersistStream(IPersistStream
return CONTAINING_RECORD(iface, IDirectMusicSegment8Impl, dmobj.IPersistStream_iface);
}
static HRESULT WINAPI seg_IPersistStream_Load(IPersistStream *iface, IStream *pStm)
static HRESULT WINAPI seg_IPersistStream_Load(IPersistStream *iface, IStream *stream)
{
IDirectMusicSegment8Impl *This = impl_from_IPersistStream(iface);
HRESULT hr;
DMUS_PRIVATE_CHUNK Chunk;
DWORD StreamSize;
/*DWORD ListSize[3], ListCount[3];*/
LARGE_INTEGER liMove; /* used when skipping chunks */
IDirectMusicSegment8Impl *This = impl_from_IPersistStream(iface);
struct chunk_entry riff = {0};
HRESULT hr;
TRACE("(%p, %p): Loading\n", This, pStm);
hr = IStream_Read (pStm, &Chunk, sizeof(Chunk), NULL);
if(hr != S_OK){
WARN("IStream_Read failed: %08x\n", hr);
return DMUS_E_UNSUPPORTED_STREAM;
}
TRACE_(dmfile)(": %s chunk (size = %d)", 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);
switch (Chunk.fccID) {
case DMUS_FOURCC_SEGMENT_FORM: {
TRACE_(dmfile)(": segment form\n");
hr = parse_segment_form(This, &Chunk, pStm);
if (FAILED(hr)) return hr;
break;
TRACE("(%p, %p): Loading\n", This, stream);
if (!stream)
return E_POINTER;
if (stream_get_chunk(stream, &riff) != S_OK || riff.id != FOURCC_RIFF)
return DMUS_E_UNSUPPORTED_STREAM;
stream_reset_chunk_start(stream, &riff);
hr = IDirectMusicObject_ParseDescriptor(&This->dmobj.IDirectMusicObject_iface, stream,
&This->dmobj.desc);
if (FAILED(hr))
return hr;
stream_reset_chunk_data(stream, &riff);
if (riff.type == DMUS_FOURCC_SEGMENT_FORM)
hr = parse_segment_form(This, riff.size, stream);
else {
FIXME("WAVE form loading not implemented\n");
hr = S_OK;
}
case mmioFOURCC('W','A','V','E'): {
FIXME(": WAVE form loading not implemented\n");
liMove.QuadPart = StreamSize;
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); /* skip the rest of the chunk */
break;
}
default: {
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 DMUS_E_UNSUPPORTED_STREAM;
}
}
TRACE_(dmfile)(": reading finished\n");
break;
}
default: {
TRACE_(dmfile)(": unexpected chunk; loading failed)\n");
return DMUS_E_UNSUPPORTED_STREAM;
}
}
return S_OK;
return hr;
}
static const IPersistStreamVtbl persiststream_vtbl = {