Module: wine Branch: master Commit: ba69ffeff4b63a91e9b4116523945a811257507f URL: https://gitlab.winehq.org/wine/wine/-/commit/ba69ffeff4b63a91e9b4116523945a8...
Author: Rémi Bernon rbernon@codeweavers.com Date: Sun Sep 10 18:14:13 2023 +0200
dmband: Rewrite band lbil list parsing.
---
dlls/dmband/band.c | 88 ++++++++++++++++++------------------------------------ 1 file changed, 29 insertions(+), 59 deletions(-)
diff --git a/dlls/dmband/band.c b/dlls/dmband/band.c index fa6fd35580e..6ed31075f42 100644 --- a/dlls/dmband/band.c +++ b/dlls/dmband/band.c @@ -220,6 +220,30 @@ static HRESULT parse_lbin_list(struct band *This, IStream *stream, struct chunk_ return hr; }
+static HRESULT parse_lbil_list(struct band *This, IStream *stream, struct chunk_entry *parent) +{ + struct chunk_entry chunk = {.parent = parent}; + HRESULT hr; + + while ((hr = stream_next_chunk(stream, &chunk)) == S_OK) + { + switch (MAKE_IDTYPE(chunk.id, chunk.type)) + { + case MAKE_IDTYPE(FOURCC_LIST, DMUS_FOURCC_INSTRUMENT_LIST): + hr = parse_lbin_list(This, stream, &chunk); + break; + + default: + FIXME("Ignoring chunk %s %s\n", debugstr_fourcc(chunk.id), debugstr_fourcc(chunk.type)); + break; + } + + if (FAILED(hr)) break; + } + + return hr; +} + static HRESULT WINAPI band_object_ParseDescriptor(IDirectMusicObject *iface, IStream *stream, DMUS_OBJECTDESC *desc) { @@ -269,64 +293,6 @@ static const IDirectMusicObjectVtbl band_object_vtbl = band_object_ParseDescriptor, };
-static HRESULT parse_instruments_list(struct band *This, DMUS_PRIVATE_CHUNK *pChunk, - IStream *pStm) -{ - HRESULT hr; - DMUS_PRIVATE_CHUNK Chunk; - DWORD ListSize[3], ListCount[3]; - LARGE_INTEGER liMove; /* used when skipping chunks */ - - if (pChunk->fccID != DMUS_FOURCC_INSTRUMENTS_LIST) { - ERR_(dmfile)(": %s chunk should be an INSTRUMENTS list\n", debugstr_fourcc (pChunk->fccID)); - return E_FAIL; - } - - ListSize[0] = pChunk->dwSize - sizeof(FOURCC); - ListCount[0] = 0; - - do { - IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL); - ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize; - TRACE_(dmfile)(": %s chunk (size = %ld)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize); - switch (Chunk.fccID) { - case FOURCC_LIST: { - IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL); - TRACE_(dmfile)(": LIST chunk of type %s", debugstr_fourcc(Chunk.fccID)); - ListSize[1] = Chunk.dwSize - sizeof(FOURCC); - ListCount[1] = 0; - switch (Chunk.fccID) { - case DMUS_FOURCC_INSTRUMENT_LIST: { - static const LARGE_INTEGER zero = {0}; - struct chunk_entry chunk = {FOURCC_LIST, .size = Chunk.dwSize, .type = Chunk.fccID}; - TRACE_(dmfile)(": Instrument list\n"); - IStream_Seek(pStm, zero, STREAM_SEEK_CUR, &chunk.offset); - chunk.offset.QuadPart -= 12; - if (FAILED(hr = parse_lbin_list(This, pStm, &chunk))) return hr; - break; - } - default: { - TRACE_(dmfile)(": unknown chunk (irrelevant & skipping)\n"); - liMove.QuadPart = ListSize[1]; - 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)(": ListCount[0] = %ld < ListSize[0] = %ld\n", ListCount[0], ListSize[0]); - } while (ListCount[0] < ListSize[0]); - - return S_OK; -} - static HRESULT parse_band_form(struct band *This, DMUS_PRIVATE_CHUNK *pChunk, IStream *pStm) { @@ -392,8 +358,12 @@ static HRESULT parse_band_form(struct band *This, DMUS_PRIVATE_CHUNK *pChunk, break; } case DMUS_FOURCC_INSTRUMENTS_LIST: { + static const LARGE_INTEGER zero = {0}; + struct chunk_entry chunk = {FOURCC_LIST, .size = Chunk.dwSize, .type = Chunk.fccID}; TRACE_(dmfile)(": INSTRUMENTS list\n"); - hr = parse_instruments_list(This, &Chunk, pStm); + IStream_Seek(pStm, zero, STREAM_SEEK_CUR, &chunk.offset); + chunk.offset.QuadPart -= 12; + hr = parse_lbil_list(This, pStm, &chunk); if (FAILED(hr)) return hr; break; }
-
Alexandre Julliard