Module: wine Branch: master Commit: 3ee58034adab6275c5105c6aefb848387cbe4eea URL: https://source.winehq.org/git/wine.git/?a=commit;h=3ee58034adab6275c5105c6ae...
Author: Michael Stefaniuc mstefani@winehq.org Date: Wed Jul 11 23:44:36 2018 +0200
dmime: Reimplement the track form parser.
Signed-off-by: Michael Stefaniuc mstefani@winehq.org Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/dmime/segment.c | 239 +++++++++++++-------------------------------------- 1 file changed, 60 insertions(+), 179 deletions(-)
diff --git a/dlls/dmime/segment.c b/dlls/dmime/segment.c index 48fd643..dc46069 100644 --- a/dlls/dmime/segment.c +++ b/dlls/dmime/segment.c @@ -22,7 +22,6 @@ #include "dmobject.h"
WINE_DEFAULT_DEBUG_CHANNEL(dmime); -WINE_DECLARE_DEBUG_CHANNEL(dmfile);
/***************************************************************************** * IDirectMusicSegmentImpl implementation @@ -622,195 +621,77 @@ static const IDirectMusicObjectVtbl dmobject_vtbl = { };
/* IDirectMusicSegment8Impl IPersistStream part: */ -static HRESULT load_track(IDirectMusicSegment8Impl *This, IStream *pClonedStream, - IDirectMusicTrack **ppTrack, DMUS_IO_TRACK_HEADER *pTrack_hdr) -{ - HRESULT hr = E_FAIL; - IPersistStream* pPersistStream = NULL; - - hr = CoCreateInstance (&pTrack_hdr->guidClassID, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicTrack, (LPVOID*) ppTrack); - if (FAILED(hr)) { - ERR(": could not create object\n"); - return hr; - } - /* acquire PersistStream interface */ - hr = IDirectMusicTrack_QueryInterface (*ppTrack, &IID_IPersistStream, (LPVOID*) &pPersistStream); - if (FAILED(hr)) { - ERR(": could not acquire IPersistStream\n"); - return hr; - } - /* load */ - hr = IPersistStream_Load (pPersistStream, pClonedStream); - if (FAILED(hr)) { - ERR(": failed to load object\n"); - return hr; - } - - /* release all loading-related stuff */ - IPersistStream_Release (pPersistStream); - - hr = IDirectMusicSegment8_InsertTrack(&This->IDirectMusicSegment8_iface, *ppTrack, - pTrack_hdr->dwGroup); /* at dsPosition */ - if (FAILED(hr)) { - ERR(": could not insert track\n"); - return hr; - } - - return S_OK; -} - -static HRESULT parse_track_form(IDirectMusicSegment8Impl *This, DWORD size, IStream *pStm) +static HRESULT parse_track_form(IDirectMusicSegment8Impl *This, IStream *stream, + const struct chunk_entry *riff) { - HRESULT hr = E_FAIL; - DMUS_PRIVATE_CHUNK Chunk; - DWORD StreamSize, StreamCount, ListSize[3]; - LARGE_INTEGER liMove; /* used when skipping chunks */ - - DMUS_IO_TRACK_HEADER track_hdr; - DMUS_IO_TRACK_EXTRAS_HEADER track_xhdr; - IDirectMusicTrack* pTrack = NULL; - - StreamSize = size - sizeof(FOURCC); - StreamCount = 0; + struct chunk_entry chunk = {.parent = riff}; + IDirectMusicTrack *track = NULL; + IPersistStream *ps = NULL; + IStream *clone; + DMUS_IO_TRACK_HEADER thdr; + HRESULT hr;
- 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); - - switch (Chunk.fccID) { - case DMUS_FOURCC_TRACK_CHUNK: { - TRACE_(dmfile)(": track chunk\n"); - IStream_Read (pStm, &track_hdr, sizeof(DMUS_IO_TRACK_HEADER), NULL); - TRACE_(dmfile)(" - class: %s\n", debugstr_guid (&track_hdr.guidClassID)); - TRACE_(dmfile)(" - dwGroup: %d\n", track_hdr.dwGroup); - TRACE_(dmfile)(" - ckid: %s\n", debugstr_fourcc (track_hdr.ckid)); - TRACE_(dmfile)(" - fccType: %s\n", debugstr_fourcc (track_hdr.fccType)); - break; - } - case DMUS_FOURCC_TRACK_EXTRAS_CHUNK: { - TRACE_(dmfile)(": track extras chunk\n"); - IStream_Read (pStm, &track_xhdr, sizeof(DMUS_IO_TRACK_EXTRAS_HEADER), NULL); - break; - } + TRACE("Parsing track form in %p: %s\n", stream, debugstr_chunk(riff));
- case DMUS_FOURCC_COMMANDTRACK_CHUNK: { - TRACE_(dmfile)(": COMMANDTRACK track\n"); - liMove.QuadPart = Chunk.dwSize; - IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); - break; + /* First chunk must be the track header */ + if (FAILED(hr = stream_get_chunk(stream, &chunk))) + return hr; + if (chunk.id != DMUS_FOURCC_TRACK_CHUNK) + return DMUS_E_TRACK_HDR_NOT_FIRST_CK; + if (FAILED(hr = stream_chunk_get_data(stream, &chunk, &thdr, sizeof(thdr)))) + return hr; + TRACE("Found DMUS_IO_TRACK_HEADER\n"); + TRACE("\tclass: %s\n", debugstr_guid (&thdr.guidClassID)); + TRACE("\tdwGroup: %d\n", thdr.dwGroup); + TRACE("\tckid: %s\n", debugstr_fourcc (thdr.ckid)); + TRACE("\tfccType: %s\n", debugstr_fourcc (thdr.fccType)); + + if (!!thdr.ckid == !!thdr.fccType) { + WARN("One and only one of the ckid (%s) and fccType (%s) need to be set\n", + debugstr_fourcc(thdr.ckid), debugstr_fourcc(thdr.fccType)); + return DMUS_E_INVALID_TRACK_HDR; }
- 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); - if (Chunk.fccID == track_hdr.fccType && 0 == track_hdr.ckid) { - LPSTREAM pClonedStream = NULL; - - TRACE_(dmfile)(": TRACK list\n"); - - IStream_Clone (pStm, &pClonedStream); - - liMove.QuadPart = 0; - liMove.QuadPart -= sizeof(FOURCC) + (sizeof(FOURCC)+sizeof(DWORD)); - IStream_Seek (pClonedStream, liMove, STREAM_SEEK_CUR, NULL); - - hr = load_track(This, pClonedStream, &pTrack, &track_hdr); - if (FAILED(hr)) { - ERR(": could not load track\n"); - return hr; - } - IStream_Release (pClonedStream); - - IDirectMusicTrack_Release(pTrack); pTrack = NULL; /* now we can release at as it inserted */ - - liMove.QuadPart = ListSize[0]; - IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); - - } else { - TRACE_(dmfile)(": unknown (skipping)\n"); - liMove.QuadPart = Chunk.dwSize; - IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); - } - break; - } + /* Optional chunks */ + while ((hr = stream_next_chunk(stream, &chunk)) == S_OK) { + if ((thdr.ckid && chunk.id == thdr.ckid) || + (!thdr.ckid && (chunk.id == FOURCC_LIST || chunk.id == FOURCC_RIFF) && + chunk.type == thdr.fccType)) + break;
- case FOURCC_RIFF: { - IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL); - TRACE_(dmfile)(": RIFF chunk of type %s\n", debugstr_fourcc(Chunk.fccID)); - - ListSize[0] = Chunk.dwSize - sizeof(FOURCC); - - if (Chunk.fccID == track_hdr.fccType && 0 == track_hdr.ckid) { - LPSTREAM pClonedStream = NULL; - - TRACE_(dmfile)(": TRACK RIFF\n"); - - IStream_Clone (pStm, &pClonedStream); - - liMove.QuadPart = 0; - liMove.QuadPart -= sizeof(FOURCC) + (sizeof(FOURCC)+sizeof(DWORD)); - IStream_Seek (pClonedStream, liMove, STREAM_SEEK_CUR, NULL); - - hr = load_track(This, pClonedStream, &pTrack, &track_hdr); - if (FAILED(hr)) { - ERR(": could not load track\n"); - return hr; - } - IStream_Release (pClonedStream); - - IDirectMusicTrack_Release(pTrack); pTrack = NULL; /* now we can release at as it inserted */ - - /** now safe move the cursor */ - liMove.QuadPart = ListSize[0]; - IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); - - } else { - TRACE_(dmfile)(": unknown RIFF fmt (skipping)\n"); - liMove.QuadPart = ListSize[0]; - IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); - } - break; + if (chunk.id == DMUS_FOURCC_TRACK_EXTRAS_CHUNK) + FIXME("DMUS_IO_TRACK_EXTRAS_HEADER chunk not handled\n"); } + if (hr != S_OK) + return hr == S_FALSE ? DMUS_E_TRACK_NOT_FOUND : hr;
- default: { - if (0 == track_hdr.fccType && Chunk.fccID == track_hdr.ckid) { - LPSTREAM pClonedStream = NULL; - - TRACE_(dmfile)(": TRACK solo\n"); - - IStream_Clone (pStm, &pClonedStream); - - liMove.QuadPart = 0; - liMove.QuadPart -= (sizeof(FOURCC) + sizeof(DWORD)); - IStream_Seek (pClonedStream, liMove, STREAM_SEEK_CUR, NULL); + /* Some DirectMusicTrack implementation expect the stream to start with their data chunk */ + if (FAILED(hr = IStream_Clone(stream, &clone))) + return hr; + stream_reset_chunk_start(clone, &chunk);
- hr = load_track(This, pClonedStream, &pTrack, &track_hdr); - if (FAILED(hr)) { - ERR(": could not load track\n"); - return hr; - } - IStream_Release (pClonedStream); - - IDirectMusicTrack_Release(pTrack); pTrack = NULL; /* now we can release at as it inserted */ + /* Load the track */ + hr = CoCreateInstance(&thdr.guidClassID, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicTrack, + (void **)&track); + if (FAILED(hr)) + goto done; + hr = IDirectMusicTrack_QueryInterface(track, &IID_IPersistStream, (void **)&ps); + if (FAILED(hr)) + goto done; + hr = IPersistStream_Load(ps, clone); + if (FAILED(hr)) + goto done;
- liMove.QuadPart = Chunk.dwSize; - IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); + hr = IDirectMusicSegment8_InsertTrack(&This->IDirectMusicSegment8_iface, track, thdr.dwGroup);
- break; - } +done: + if (ps) + IPersistStream_Release(ps); + if (track) + IDirectMusicTrack_Release(track); + IStream_Release(clone);
- 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); - - return S_OK; + return hr; }
static HRESULT parse_track_list(IDirectMusicSegment8Impl *This, IStream *stream, @@ -823,7 +704,7 @@ static HRESULT parse_track_list(IDirectMusicSegment8Impl *This, IStream *stream,
while ((hr = stream_next_chunk(stream, &chunk)) == S_OK) if (chunk.id == FOURCC_RIFF && chunk.type == DMUS_FOURCC_TRACK_FORM) - hr = parse_track_form(This, chunk.size, stream); + hr = parse_track_form(This, stream, &chunk);
return SUCCEEDED(hr) ? S_OK : hr; }