-/* IDirectMusicBuffer Implementation
+/*
+ * IDirectMusicBuffer Implementation
*
* Copyright (C) 2003-2004 Rok Mandeljc
+ * Copyright (C) 2012 Christian Costa
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
*/
#include "dmusic_private.h"
+//#include "initguid.h"
+#include "dmksctrl.h"
WINE_DEFAULT_DEBUG_CHANNEL(dmusic);
+static inline IDirectMusicBufferImpl *impl_from_IDirectMusicBuffer(IDirectMusicBuffer *iface)
+{
+ return CONTAINING_RECORD(iface, IDirectMusicBufferImpl, IDirectMusicBuffer_iface);
+}
+
/* IDirectMusicBufferImpl IUnknown part: */
-static HRESULT WINAPI IDirectMusicBufferImpl_QueryInterface (LPDIRECTMUSICBUFFER iface, REFIID riid, LPVOID *ppobj) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- TRACE("(%p, (%s, %p)\n",This,debugstr_dmguid(riid),ppobj);
- if (IsEqualIID (riid, &IID_IUnknown)
- || IsEqualIID (riid, &IID_IDirectMusicBuffer)) {
- IUnknown_AddRef(iface);
- *ppobj = This;
- return S_OK;
- }
- WARN("(%p, (%s, %p): not found\n",This,debugstr_dmguid(riid),ppobj);
- return E_NOINTERFACE;
+static HRESULT WINAPI IDirectMusicBufferImpl_QueryInterface(LPDIRECTMUSICBUFFER iface, REFIID riid, LPVOID *ret_iface)
+{
+ TRACE("(%p)->(%s, %p)\n", iface, debugstr_dmguid(riid), ret_iface);
+
+ if (IsEqualIID(riid, &IID_IUnknown) ||
+ IsEqualIID(riid, &IID_IDirectMusicBuffer))
+ {
+ IDirectMusicBuffer_AddRef(iface);
+ *ret_iface = iface;
+ return S_OK;
+ }
+
+ *ret_iface = NULL;
+
+ WARN("(%p)->(%s, %p): not found\n", iface, debugstr_dmguid(riid), ret_iface);
+
+ return E_NOINTERFACE;
}
-static ULONG WINAPI IDirectMusicBufferImpl_AddRef (LPDIRECTMUSICBUFFER iface) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- ULONG refCount = InterlockedIncrement(&This->ref);
+static ULONG WINAPI IDirectMusicBufferImpl_AddRef(LPDIRECTMUSICBUFFER iface)
+{
+ IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
+ ULONG ref = InterlockedIncrement(&This->ref);
- TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
+ TRACE("(%p)->(): new ref = %u\n", iface, ref);
- DMUSIC_LockModule();
+ DMUSIC_LockModule();
- return refCount;
+ return ref;
}
-static ULONG WINAPI IDirectMusicBufferImpl_Release (LPDIRECTMUSICBUFFER iface) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- ULONG refCount = InterlockedDecrement(&This->ref);
+static ULONG WINAPI IDirectMusicBufferImpl_Release(LPDIRECTMUSICBUFFER iface)
+{
+ IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
+ ULONG ref = InterlockedDecrement(&This->ref);
- TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
+ TRACE("(%p)->(): new ref = %u\n", iface, ref);
- if (!refCount) {
- HeapFree(GetProcessHeap(), 0, This);
- }
+ if (!ref) {
+ HeapFree(GetProcessHeap(), 0, This->data);
+ HeapFree(GetProcessHeap(), 0, This);
+ }
- DMUSIC_UnlockModule();
-
- return refCount;
+ DMUSIC_UnlockModule();
+
+ return ref;
}
/* IDirectMusicBufferImpl IDirectMusicBuffer part: */
-static HRESULT WINAPI IDirectMusicBufferImpl_Flush (LPDIRECTMUSICBUFFER iface) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- FIXME("(%p): stub\n", This);
- return S_OK;
+static HRESULT WINAPI IDirectMusicBufferImpl_Flush(LPDIRECTMUSICBUFFER iface)
+{
+ IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
+
+ TRACE("(%p)->()\n", iface);
+
+ This->write_pos = 0;
+
+ return S_OK;
}
-static HRESULT WINAPI IDirectMusicBufferImpl_TotalTime (LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prtTime) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- FIXME("(%p, %p): stub\n", This, prtTime);
- return S_OK;
+static HRESULT WINAPI IDirectMusicBufferImpl_TotalTime(LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prtTime)
+{
+ IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
+
+ FIXME("(%p, %p): stub\n", This, prtTime);
+
+ return S_OK;
}
-static HRESULT WINAPI IDirectMusicBufferImpl_PackStructured (LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt, DWORD dwChannelGroup, DWORD dwChannelMessage) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- FIXME("(%p, 0x%s, %d, %d): stub\n", This, wine_dbgstr_longlong(rt), dwChannelGroup, dwChannelMessage);
- return S_OK;
+static HRESULT WINAPI IDirectMusicBufferImpl_PackStructured(LPDIRECTMUSICBUFFER iface, REFERENCE_TIME ref_time, DWORD channel_group, DWORD channel_message)
+{
+ IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
+ DWORD new_write_pos = This->write_pos + sizeof(DMUS_EVENTHEADER) + sizeof(DWORD);
+ DMUS_EVENTHEADER header;
+
+ TRACE("(%p)->(0x%s, %u, 0x%x)\n", iface, wine_dbgstr_longlong(ref_time), channel_group, channel_message);
+
+ if (new_write_pos > This->size)
+ return DMUS_E_BUFFER_FULL;
+
+ /* Channel_message 0xZZYYXX (3 bytes) is a midi message where XX = status byte, YY = byte 1 and ZZ = byte 2 */
+
+ if (!(channel_message & 0x80))
+ {
+ /* Status byte MSB is always set */
+ return DMUS_E_INVALID_EVENT;
+ }
+
+ if (!This->write_pos)
+ This->start_time = ref_time;
+
+ header.cbEvent = 3; /* Midi message takes 4 bytes space but only 3 are relevant */
+ header.dwChannelGroup = channel_group;
+ header.rtDelta = ref_time - This->start_time;
+ header.dwFlags = DMUS_EVENT_STRUCTURED;
+
+ memcpy(This->data + This->write_pos, &header, sizeof(header));
+ *(DWORD*)(This->data + This->write_pos + sizeof(header)) = channel_message;
+ This->write_pos = new_write_pos;
+
+ return S_OK;
}
-static HRESULT WINAPI IDirectMusicBufferImpl_PackUnstructured (LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt, DWORD dwChannelGroup, DWORD cb, LPBYTE lpb) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- FIXME("(%p, 0x%s, %d, %d, %p): stub\n", This, wine_dbgstr_longlong(rt), dwChannelGroup, cb, lpb);
- return S_OK;
+static HRESULT WINAPI IDirectMusicBufferImpl_PackUnstructured(LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt, DWORD dwChannelGroup, DWORD cb, LPBYTE lpb)
+{
+ IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
+
+ FIXME("(%p, 0x%s, %d, %d, %p): stub\n", This, wine_dbgstr_longlong(rt), dwChannelGroup, cb, lpb);
+
+ return S_OK;
}
-static HRESULT WINAPI IDirectMusicBufferImpl_ResetReadPtr (LPDIRECTMUSICBUFFER iface) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- FIXME("(%p): stub\n", This);
- return S_OK;
+static HRESULT WINAPI IDirectMusicBufferImpl_ResetReadPtr(LPDIRECTMUSICBUFFER iface)
+{
+ IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
+
+ FIXME("(%p): stub\n", This);
+
+ return S_OK;
}
-static HRESULT WINAPI IDirectMusicBufferImpl_GetNextEvent (LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prt, LPDWORD pdwChannelGroup, LPDWORD pdwLength, LPBYTE* ppData) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- FIXME("(%p, %p, %p, %p, %p): stub\n", This, prt, pdwChannelGroup, pdwLength, ppData);
- return S_OK;
+static HRESULT WINAPI IDirectMusicBufferImpl_GetNextEvent(LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prt, LPDWORD pdwChannelGroup, LPDWORD pdwLength, LPBYTE* ppData)
+{
+ IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
+
+ FIXME("(%p, %p, %p, %p, %p): stub\n", This, prt, pdwChannelGroup, pdwLength, ppData);
+
+ return S_OK;
}
-static HRESULT WINAPI IDirectMusicBufferImpl_GetRawBufferPtr (LPDIRECTMUSICBUFFER iface, LPBYTE* ppData) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- FIXME("(%p, %p): stub\n", This, ppData);
- return S_OK;
+static HRESULT WINAPI IDirectMusicBufferImpl_GetRawBufferPtr(LPDIRECTMUSICBUFFER iface, LPBYTE* data)
+{
+ IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
+
+ TRACE("(%p)->(%p)\n", iface, data);
+
+ if (!data)
+ return E_POINTER;
+
+ *data = This->data;
+
+ return S_OK;
}
-static HRESULT WINAPI IDirectMusicBufferImpl_GetStartTime (LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME prt) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- FIXME("(%p, %p): stub\n", This, prt);
- return S_OK;
+static HRESULT WINAPI IDirectMusicBufferImpl_GetStartTime(LPDIRECTMUSICBUFFER iface, LPREFERENCE_TIME ref_time)
+{
+ IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
+
+ TRACE("(%p)->(%p)\n", iface, ref_time);
+
+ if (!ref_time)
+ return E_POINTER;
+ if (!This->write_pos)
+ return DMUS_E_BUFFER_EMPTY;
+
+ *ref_time = This->start_time;
+
+ return S_OK;
}
-static HRESULT WINAPI IDirectMusicBufferImpl_GetUsedBytes (LPDIRECTMUSICBUFFER iface, LPDWORD pcb) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- FIXME("(%p, %p): stub\n", This, pcb);
- return S_OK;
+static HRESULT WINAPI IDirectMusicBufferImpl_GetUsedBytes(LPDIRECTMUSICBUFFER iface, LPDWORD used_bytes)
+{
+ IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
+
+ TRACE("(%p)->(%p)\n", iface, used_bytes);
+
+ if (!used_bytes)
+ return E_POINTER;
+
+ *used_bytes = This->write_pos;
+
+ return S_OK;
}
-static HRESULT WINAPI IDirectMusicBufferImpl_GetMaxBytes (LPDIRECTMUSICBUFFER iface, LPDWORD pcb) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- FIXME("(%p, %p): stub\n", This, pcb);
- return S_OK;
+static HRESULT WINAPI IDirectMusicBufferImpl_GetMaxBytes(LPDIRECTMUSICBUFFER iface, LPDWORD max_bytes)
+{
+ IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
+
+ TRACE("(%p)->(%p)\n", iface, max_bytes);
+
+ if (!max_bytes)
+ return E_POINTER;
+
+ *max_bytes = This->size;
+
+ return S_OK;
}
-static HRESULT WINAPI IDirectMusicBufferImpl_GetBufferFormat (LPDIRECTMUSICBUFFER iface, LPGUID pGuidFormat) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- FIXME("(%p, %p): stub\n", This, pGuidFormat);
- return S_OK;
+static HRESULT WINAPI IDirectMusicBufferImpl_GetBufferFormat(LPDIRECTMUSICBUFFER iface, LPGUID format)
+{
+ IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
+
+ TRACE("(%p)->(%p)\n", iface, format);
+
+ if (!format)
+ return E_POINTER;
+
+ *format = This->format;
+ return S_OK;
}
-static HRESULT WINAPI IDirectMusicBufferImpl_SetStartTime (LPDIRECTMUSICBUFFER iface, REFERENCE_TIME rt) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- FIXME("(%p, 0x%s): stub\n", This, wine_dbgstr_longlong(rt));
- return S_OK;
+static HRESULT WINAPI IDirectMusicBufferImpl_SetStartTime(LPDIRECTMUSICBUFFER iface, REFERENCE_TIME ref_time)
+{
+ IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
+
+ TRACE("(%p)->(0x%s)\n", This, wine_dbgstr_longlong(ref_time));
+
+ This->start_time = ref_time;
+
+ return S_OK;
}
-static HRESULT WINAPI IDirectMusicBufferImpl_SetUsedBytes (LPDIRECTMUSICBUFFER iface, DWORD cb) {
- IDirectMusicBufferImpl *This = (IDirectMusicBufferImpl *)iface;
- FIXME("(%p, %d): stub\n", This, cb);
- return S_OK;
+static HRESULT WINAPI IDirectMusicBufferImpl_SetUsedBytes(LPDIRECTMUSICBUFFER iface, DWORD used_bytes)
+{
+ IDirectMusicBufferImpl *This = impl_from_IDirectMusicBuffer(iface);
+
+ TRACE("(%p)->(%u)\n", iface, used_bytes);
+
+ if (used_bytes > This->size)
+ return DMUS_E_BUFFER_FULL;
+
+ This->write_pos = used_bytes;
+
+ return S_OK;
}
static const IDirectMusicBufferVtbl DirectMusicBuffer_Vtbl = {
IDirectMusicBufferImpl_SetUsedBytes
};
-/* for ClassFactory */
-HRESULT WINAPI DMUSIC_CreateDirectMusicBufferImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
- IDirectMusicBufferImpl* dmbuff;
-
- dmbuff = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicBufferImpl));
- if (NULL == dmbuff) {
- *ppobj = NULL;
- return E_OUTOFMEMORY;
- }
- dmbuff->lpVtbl = &DirectMusicBuffer_Vtbl;
- dmbuff->ref = 0; /* will be inited by QueryInterface */
-
- return IDirectMusicBufferImpl_QueryInterface ((LPDIRECTMUSICBUFFER)dmbuff, lpcGUID, ppobj);
+HRESULT DMUSIC_CreateDirectMusicBufferImpl(LPDMUS_BUFFERDESC desc, LPVOID* ret_iface)
+{
+ IDirectMusicBufferImpl* dmbuffer;
+ HRESULT hr;
+
+ TRACE("(%p, %p)\n", desc, ret_iface);
+
+ *ret_iface = NULL;
+
+ dmbuffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicBufferImpl));
+ if (!dmbuffer)
+ return E_OUTOFMEMORY;
+
+ dmbuffer->IDirectMusicBuffer_iface.lpVtbl = &DirectMusicBuffer_Vtbl;
+ dmbuffer->ref = 0; /* Will be inited by QueryInterface */
+
+ if (IsEqualGUID(&desc->guidBufferFormat, &GUID_NULL))
+ dmbuffer->format = KSDATAFORMAT_SUBTYPE_MIDI;
+ else
+ dmbuffer->format = desc->guidBufferFormat;
+ dmbuffer->size = (desc->cbBuffer + 3) & ~3; /* Buffer size must be multiple of 4 bytes */
+
+ dmbuffer->data = HeapAlloc(GetProcessHeap(), 0, dmbuffer->size);
+ if (!dmbuffer->data) {
+ HeapFree(GetProcessHeap(), 0, dmbuffer);
+ return E_OUTOFMEMORY;
+ }
+
+ hr = IDirectMusicBufferImpl_QueryInterface((LPDIRECTMUSICBUFFER)dmbuffer, &IID_IDirectMusicBuffer, ret_iface);
+ if (FAILED(hr))
+ {
+ HeapFree(GetProcessHeap(), 0, dmbuffer->data);
+ HeapFree(GetProcessHeap(), 0, dmbuffer);
+ }
+
+ return hr;
}
projects / reactos.git / blobdiff