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Commit bb88427e authored by Michael Stefaniuc's avatar Michael Stefaniuc Committed by Alexandre Julliard
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dmime: Reimplement the segment form parser.

Signed-off-by: 's avatarMichael Stefaniuc <mstefani@winehq.org> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent 117a2081
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Showing with 63 additions and 94 deletions
dlls/dmime/segment.c
View file @ bb88427e
......@@ -819,20 +819,14 @@ static HRESULT parse_track_form(IDirectMusicSegment8Impl *This, DMUS_PRIVATE_CHU
return S_OK;
}
static HRESULT parse_track_list(IDirectMusicSegment8Impl *This, DMUS_PRIVATE_CHUNK *pChunk,
IStream *pStm)
static HRESULT parse_track_list(IDirectMusicSegment8Impl *This, DWORD StreamSize, IStream *pStm)
{
HRESULT hr = E_FAIL;
DMUS_PRIVATE_CHUNK Chunk;
DWORD StreamSize, ListSize[3], ListCount[3];
DWORD ListSize[3], ListCount[3];
LARGE_INTEGER liMove; /* used when skipping chunks */
if (pChunk->fccID != DMUS_FOURCC_TRACK_LIST) {
ERR_(dmfile)(": %s chunk should be a TRACK list\n", debugstr_fourcc (pChunk->fccID));
return E_FAIL;
}
ListSize[0] = pChunk->dwSize - sizeof(FOURCC);
ListSize[0] = StreamSize - sizeof(FOURCC);
ListCount[0] = 0;
do {
......@@ -873,94 +867,69 @@ static HRESULT parse_track_list(IDirectMusicSegment8Impl *This, DMUS_PRIVATE_CHU
return S_OK;
}
static HRESULT parse_segment_form(IDirectMusicSegment8Impl *This, DWORD StreamSize, IStream *pStm)
{
HRESULT hr = E_FAIL;
DMUS_PRIVATE_CHUNK Chunk;
DWORD StreamCount;
LARGE_INTEGER liMove; /* used when skipping chunks */
StreamSize -= sizeof(FOURCC);
StreamCount = 0;
static inline void dump_segment_header(DMUS_IO_SEGMENT_HEADER *h, DWORD size)
{
unsigned int dx = 9;
if (size == offsetof(DMUS_IO_SEGMENT_HEADER, rtLength))
dx = 7;
else if (size == offsetof(DMUS_IO_SEGMENT_HEADER, rtLoopStart))
dx = 8;
TRACE("Found DirectX%d DMUS_IO_SEGMENT_HEADER\n", dx);
TRACE("\tdwRepeats: %u\n", h->dwRepeats);
TRACE("\tmtLength: %u\n", h->mtLength);
TRACE("\tmtPlayStart: %u\n", h->mtPlayStart);
TRACE("\tmtLoopStart: %u\n", h->mtLoopStart);
TRACE("\tmtLoopEnd: %u\n", h->mtLoopEnd);
TRACE("\tdwResolution: %u\n", h->dwResolution);
if (dx >= 8) {
TRACE("\trtLength: %s\n", wine_dbgstr_longlong(h->rtLength));
TRACE("\tdwFlags: %u\n", h->dwFlags);
TRACE("\tdwReserved: %u\n", h->dwReserved);
}
if (dx == 9) {
TRACE("\trtLoopStart: %s\n", wine_dbgstr_longlong(h->rtLoopStart));
TRACE("\trtLoopEnd: %s\n", wine_dbgstr_longlong(h->rtLoopEnd));
TRACE("\trtPlayStart: %s\n", wine_dbgstr_longlong(h->rtPlayStart));
}
}
do {
IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL);
StreamCount += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize;
TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize);
static HRESULT parse_segment_form(IDirectMusicSegment8Impl *This, IStream *stream,
const struct chunk_entry *riff)
{
struct chunk_entry chunk = {.parent = riff};
HRESULT hr;
switch (Chunk.fccID) {
case DMUS_FOURCC_SEGMENT_CHUNK: {
DWORD checkSz = sizeof(FOURCC);
TRACE_(dmfile)(": segment chunk\n");
/** DX 7 */
IStream_Read (pStm, &This->header.dwRepeats, sizeof(This->header.dwRepeats), NULL);
checkSz += sizeof(This->header.dwRepeats);
IStream_Read (pStm, &This->header.mtLength, sizeof(This->header.mtLength), NULL);
checkSz += sizeof(This->header.mtLength);
IStream_Read (pStm, &This->header.mtPlayStart, sizeof(This->header.mtPlayStart), NULL);
checkSz += sizeof(This->header.mtPlayStart);
IStream_Read (pStm, &This->header.mtLoopStart, sizeof(This->header.mtLoopStart), NULL);
checkSz += sizeof(This->header.mtLoopStart);
IStream_Read (pStm, &This->header.mtLoopEnd, sizeof(This->header.mtLoopEnd), NULL);
checkSz += sizeof(This->header.mtLoopEnd);
IStream_Read (pStm, &This->header.dwResolution, sizeof(This->header.dwResolution), NULL);
checkSz += sizeof(This->header.dwResolution);
TRACE_(dmfile)("dwRepeats: %u\n", This->header.dwRepeats);
TRACE_(dmfile)("mtLength: %u\n", This->header.mtLength);
TRACE_(dmfile)("mtPlayStart: %u\n", This->header.mtPlayStart);
TRACE_(dmfile)("mtLoopStart: %u\n", This->header.mtLoopStart);
TRACE_(dmfile)("mtLoopEnd: %u\n", This->header.mtLoopEnd);
TRACE_(dmfile)("dwResolution: %u\n", This->header.dwResolution);
/** DX 8 */
if (Chunk.dwSize > checkSz) {
IStream_Read (pStm, &This->header.rtLength, sizeof(This->header.rtLength), NULL);
checkSz += sizeof(This->header.rtLength);
IStream_Read (pStm, &This->header.dwFlags, sizeof(This->header.dwFlags), NULL);
checkSz += sizeof(This->header.dwFlags);
}
/** DX 9 */
if (Chunk.dwSize > checkSz) {
IStream_Read (pStm, &This->header.rtLoopStart, sizeof(This->header.rtLoopStart), NULL);
checkSz += sizeof(This->header.rtLoopStart);
IStream_Read (pStm, &This->header.rtLoopEnd, sizeof(This->header.rtLoopEnd), NULL);
checkSz += sizeof(This->header.rtLoopEnd);
IStream_Read (pStm, &This->header.rtPlayStart, sizeof(This->header.rtPlayStart), NULL);
checkSz += sizeof(This->header.rtPlayStart);
}
liMove.QuadPart = Chunk.dwSize - checkSz + sizeof(FOURCC);
IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL);
break;
}
case FOURCC_LIST: {
IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL);
TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID));
switch (Chunk.fccID) {
case DMUS_FOURCC_TRACK_LIST: {
TRACE_(dmfile)(": TRACK list\n");
hr = parse_track_list(This, &Chunk, pStm);
if (FAILED(hr)) return hr;
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("Parsing segment form in %p: %s\n", stream, debugstr_chunk(riff));
while ((hr = stream_next_chunk(stream, &chunk)) == S_OK) {
switch (chunk.id) {
case DMUS_FOURCC_SEGMENT_CHUNK:
/* DX7, DX8 and DX9 structure sizes */
if (chunk.size != offsetof(DMUS_IO_SEGMENT_HEADER, rtLength) &&
chunk.size != offsetof(DMUS_IO_SEGMENT_HEADER, rtLoopStart) &&
chunk.size != sizeof(DMUS_IO_SEGMENT_HEADER)) {
WARN("Invalid size of %s\n", debugstr_chunk(&chunk));
break;
}
if (FAILED(hr = stream_chunk_get_data(stream, &chunk, &This->header, chunk.size))) {
WARN("Failed to read data of %s\n", debugstr_chunk(&chunk));
return hr;
}
dump_segment_header(&This->header, chunk.size);
break;
case FOURCC_LIST:
if (chunk.type == DMUS_FOURCC_TRACK_LIST)
if (FAILED(hr = parse_track_list(This, chunk.size, stream)))
return hr;
break;
case FOURCC_RIFF:
FIXME("Loading of embedded RIFF form %s", debugstr_fourcc(chunk.type));
break;
}
}
TRACE_(dmfile)(": StreamCount[0] = %d < StreamSize[0] = %d\n", StreamCount, StreamSize);
} while (StreamCount < StreamSize);
return S_OK;
return SUCCEEDED(hr) ? S_OK : hr;
}
static inline IDirectMusicSegment8Impl *impl_from_IPersistStream(IPersistStream *iface)
......@@ -990,7 +959,7 @@ static HRESULT WINAPI seg_IPersistStream_Load(IPersistStream *iface, IStream *st
stream_reset_chunk_data(stream, &riff);
if (riff.type == DMUS_FOURCC_SEGMENT_FORM)
hr = parse_segment_form(This, riff.size, stream);
hr = parse_segment_form(This, stream, &riff);
else {
FIXME("WAVE form loading not implemented\n");
hr = S_OK;
......
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