Michael Stefaniuc : dmime: Reimplement IPersistStream_Load() for SegTrigger track.
Module: wine Branch: master Commit: 2eb07b1773787e4abdcff83bc9077d8c543dcce2 URL: https://source.winehq.org/git/wine.git/?a=commit;h=2eb07b1773787e4abdcff83bc... Author: Michael Stefaniuc <mstefani(a)winehq.org> Date: Thu Sep 24 22:03:54 2020 +0200 dmime: Reimplement IPersistStream_Load() for SegTrigger track. Signed-off-by: Michael Stefaniuc <mstefani(a)winehq.org> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/dmime/segtriggertrack.c | 140 +++++++++++-------------------------------- 1 file changed, 34 insertions(+), 106 deletions(-) diff --git a/dlls/dmime/segtriggertrack.c b/dlls/dmime/segtriggertrack.c index 3e7503ac0c..000d597bb5 100644 --- a/dlls/dmime/segtriggertrack.c +++ b/dlls/dmime/segtriggertrack.c @@ -254,6 +254,11 @@ static const IDirectMusicTrack8Vtbl dmtrack8_vtbl = { segment_track_Join }; +static inline IDirectMusicSegTriggerTrack *impl_from_IPersistStream(IPersistStream *iface) +{ + return CONTAINING_RECORD(iface, IDirectMusicSegTriggerTrack, dmobj.IPersistStream_iface); +} + static HRESULT parse_segment(IDirectMusicSegTriggerTrack *This, DMUS_PRIVATE_CHUNK *pChunk, IStream *pStm) { @@ -350,20 +355,14 @@ static HRESULT parse_segment(IDirectMusicSegTriggerTrack *This, DMUS_PRIVATE_CHU return S_OK; } -static HRESULT parse_segments_list(IDirectMusicSegTriggerTrack *This, DMUS_PRIVATE_CHUNK *pChunk, - IStream *pStm) +static HRESULT parse_segments_list(IDirectMusicSegTriggerTrack *This, DWORD size, IStream *pStm) { HRESULT hr = E_FAIL; DMUS_PRIVATE_CHUNK Chunk; DWORD ListSize[3], ListCount[3]; LARGE_INTEGER liMove; /* used when skipping chunks */ - if (pChunk->fccID != DMUS_FOURCC_SEGMENTS_LIST) { - ERR_(dmfile)(": %s chunk should be a SEGMENTS list\n", debugstr_fourcc (pChunk->fccID)); - return E_FAIL; - } - - ListSize[0] = pChunk->dwSize - sizeof(FOURCC); + ListSize[0] = size - sizeof(FOURCC); ListCount[0] = 0; do { @@ -405,113 +404,42 @@ static HRESULT parse_segments_list(IDirectMusicSegTriggerTrack *This, DMUS_PRIVA return S_OK; } -static HRESULT parse_seqtrack_list(IDirectMusicSegTriggerTrack *This, DMUS_PRIVATE_CHUNK *pChunk, - IStream *pStm) +static HRESULT WINAPI trigger_IPersistStream_Load(IPersistStream *iface, IStream *stream) { - HRESULT hr = E_FAIL; - DMUS_PRIVATE_CHUNK Chunk; - DWORD ListSize[3], ListCount[3]; - LARGE_INTEGER liMove; /* used when skipping chunks */ - - if (pChunk->fccID != DMUS_FOURCC_SEGTRACK_LIST) { - ERR_(dmfile)(": %s chunk should be a SEGTRACK list\n", debugstr_fourcc (pChunk->fccID)); - return E_FAIL; - } + IDirectMusicSegTriggerTrack *This = impl_from_IPersistStream(iface); + struct chunk_entry segt = {0}; + struct chunk_entry chunk = {.parent = &segt}; + DMUS_IO_SEGMENT_TRACK_HEADER header; + HRESULT hr; - ListSize[0] = pChunk->dwSize - sizeof(FOURCC); - ListCount[0] = 0; + TRACE("(%p, %p): Loading\n", This, stream); - do { - IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL); - ListCount[0] += sizeof(FOURCC) + sizeof(DWORD) + Chunk.dwSize; - TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize); - switch (Chunk.fccID) { - case DMUS_FOURCC_SEGTRACK_CHUNK: { - TRACE_(dmfile)(": segment trigger track chunk\n"); - liMove.QuadPart = Chunk.dwSize; - 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)); - ListSize[1] = Chunk.dwSize - sizeof(FOURCC); - ListCount[1] = 0; - switch (Chunk.fccID) { - case DMUS_FOURCC_SEGMENTS_LIST: { - TRACE_(dmfile)(": SEGMENTS list\n"); - hr = parse_segments_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_(dmfile)(": ListCount[0] = %d < ListSize[0] = %d\n", ListCount[0], ListSize[0]); - } while (ListCount[0] < ListSize[0]); + if (!stream) + return E_POINTER; - return S_OK; -} + if (stream_get_chunk(stream, &segt) != S_OK || segt.id != FOURCC_LIST || + segt.type != DMUS_FOURCC_SEGTRACK_LIST) + return DMUS_E_INVALID_SEGMENTTRIGGERTRACK; -static inline IDirectMusicSegTriggerTrack *impl_from_IPersistStream(IPersistStream *iface) -{ - return CONTAINING_RECORD(iface, IDirectMusicSegTriggerTrack, dmobj.IPersistStream_iface); -} + if ((hr = stream_get_chunk(stream, &chunk)) != S_OK) + return FAILED(hr) ? hr : DMUS_E_INVALID_SEGMENTTRIGGERTRACK; -static HRESULT WINAPI trigger_IPersistStream_Load(IPersistStream *iface, IStream *pStm) -{ - IDirectMusicSegTriggerTrack *This = impl_from_IPersistStream(iface); - DMUS_PRIVATE_CHUNK Chunk; - LARGE_INTEGER liMove; - HRESULT hr; + /* Optional and useless header chunk */ + if (chunk.id == DMUS_FOURCC_SEGTRACK_CHUNK) { + hr = stream_chunk_get_data(stream, &chunk, &header, sizeof(DMUS_IO_SEGMENT_TRACK_HEADER)); + if (FAILED(hr)) + return hr; + if (header.dwFlags) + WARN("Got flags %#x; must be zero\n", header.dwFlags); - TRACE("(%p, %p): Loading\n", This, pStm); - - IStream_Read (pStm, &Chunk, sizeof(FOURCC)+sizeof(DWORD), NULL); - TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize); - switch (Chunk.fccID) { - case FOURCC_LIST: { - IStream_Read (pStm, &Chunk.fccID, sizeof(FOURCC), NULL); - TRACE_(dmfile)(": %s chunk (size = %d)", debugstr_fourcc (Chunk.fccID), Chunk.dwSize); - switch (Chunk.fccID) { - case DMUS_FOURCC_SEGTRACK_LIST: { - TRACE_(dmfile)(": segment trigger track list\n"); - hr = parse_seqtrack_list(This, &Chunk, pStm); - if (FAILED(hr)) return hr; - break; + if ((hr = stream_get_chunk(stream, &chunk)) != S_OK) + return FAILED(hr) ? hr : DMUS_E_INVALID_SEGMENTTRIGGERTRACK; } - default: { - TRACE_(dmfile)(": unexpected chunk; loading failed)\n"); - liMove.QuadPart = Chunk.dwSize; - IStream_Seek (pStm, liMove, STREAM_SEEK_CUR, NULL); - 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 E_FAIL; - } - } - return S_OK; + if (chunk.id != FOURCC_LIST || chunk.type != DMUS_FOURCC_SEGMENTS_LIST) + return DMUS_E_INVALID_SEGMENTTRIGGERTRACK; + + return parse_segments_list(This, chunk.size, stream); } static const IPersistStreamVtbl persiststream_vtbl = {
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Alexandre Julliard