mscms: Constify some variables.
[wine] / dlls / dmusic / port.c
1 /* IDirectMusicPort Implementation
2  *
3  * Copyright (C) 2003-2004 Rok Mandeljc
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
18  */
19
20 #include "dmusic_private.h"
21
22 WINE_DEFAULT_DEBUG_CHANNEL(dmusic);
23
24 /* IDirectMusicPortImpl IUnknown part: */
25 static HRESULT WINAPI IDirectMusicPortImpl_QueryInterface (LPDIRECTMUSICPORT iface, REFIID riid, LPVOID *ppobj) {
26         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
27         TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);
28
29         if (IsEqualIID (riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_IDirectMusicPort)) {
30                 IUnknown_AddRef(iface);
31                 *ppobj = This;
32                 return S_OK;
33         }
34         WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
35         return E_NOINTERFACE;
36 }
37
38 static ULONG WINAPI IDirectMusicPortImpl_AddRef (LPDIRECTMUSICPORT iface) {
39         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
40         ULONG refCount = InterlockedIncrement(&This->ref);
41
42         TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
43
44         DMUSIC_LockModule();
45
46         return refCount;
47 }
48
49 static ULONG WINAPI IDirectMusicPortImpl_Release (LPDIRECTMUSICPORT iface) {
50         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
51         ULONG refCount = InterlockedDecrement(&This->ref);
52
53         TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
54
55         if (!refCount) {
56                 HeapFree(GetProcessHeap(), 0, This);
57         }
58
59         DMUSIC_UnlockModule();
60
61         return refCount;
62 }
63
64 /* IDirectMusicPortImpl IDirectMusicPort part: */
65 static HRESULT WINAPI IDirectMusicPortImpl_PlayBuffer (LPDIRECTMUSICPORT iface, LPDIRECTMUSICBUFFER pBuffer) {
66         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
67         FIXME("(%p, %p): stub\n", This, pBuffer);
68         return S_OK;
69 }
70
71 static HRESULT WINAPI IDirectMusicPortImpl_SetReadNotificationHandle (LPDIRECTMUSICPORT iface, HANDLE hEvent) {
72         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
73         FIXME("(%p, %p): stub\n", This, hEvent);
74         return S_OK;
75 }
76
77 static HRESULT WINAPI IDirectMusicPortImpl_Read (LPDIRECTMUSICPORT iface, LPDIRECTMUSICBUFFER pBuffer) {
78         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
79         FIXME("(%p, %p): stub\n", This, pBuffer);
80         return S_OK;
81 }
82
83 static HRESULT WINAPI IDirectMusicPortImpl_DownloadInstrument (LPDIRECTMUSICPORT iface, IDirectMusicInstrument* pInstrument, IDirectMusicDownloadedInstrument** ppDownloadedInstrument, DMUS_NOTERANGE* pNoteRanges, DWORD dwNumNoteRanges) {
84         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
85         FIXME("(%p, %p, %p, %p, %d): stub\n", This, pInstrument, ppDownloadedInstrument, pNoteRanges, dwNumNoteRanges);
86         return S_OK;
87 }
88
89 static HRESULT WINAPI IDirectMusicPortImpl_UnloadInstrument (LPDIRECTMUSICPORT iface, IDirectMusicDownloadedInstrument *pDownloadedInstrument) {
90         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
91         FIXME("(%p, %p): stub\n", This, pDownloadedInstrument);
92         return S_OK;
93 }
94
95 static HRESULT WINAPI IDirectMusicPortImpl_GetLatencyClock (LPDIRECTMUSICPORT iface, IReferenceClock** ppClock) {
96         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
97         TRACE("(%p, %p)\n", This, ppClock);
98         *ppClock = This->pLatencyClock;
99         IReferenceClock_AddRef (*ppClock);
100         return S_OK;
101 }
102
103 static HRESULT WINAPI IDirectMusicPortImpl_GetRunningStats (LPDIRECTMUSICPORT iface, LPDMUS_SYNTHSTATS pStats) {
104         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
105         FIXME("(%p, %p): stub\n", This, pStats);
106         return S_OK;
107 }
108
109 static HRESULT WINAPI IDirectMusicPortImpl_Compact (LPDIRECTMUSICPORT iface) {
110         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
111         FIXME("(%p): stub\n", This);
112         return S_OK;
113 }
114
115 static HRESULT WINAPI IDirectMusicPortImpl_GetCaps (LPDIRECTMUSICPORT iface, LPDMUS_PORTCAPS pPortCaps) {
116         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
117         TRACE("(%p, %p)\n", This, pPortCaps);
118         memcpy(pPortCaps, &This->caps, sizeof(DMUS_PORTCAPS));  
119         return S_OK;
120 }
121
122 static HRESULT WINAPI IDirectMusicPortImpl_DeviceIoControl (LPDIRECTMUSICPORT iface, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize, LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped) {
123         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
124         FIXME("(%p, %d, %p, %d, %p, %d, %p, %p): stub\n", This, dwIoControlCode, lpInBuffer, nInBufferSize, lpOutBuffer, nOutBufferSize, lpBytesReturned, lpOverlapped);
125         return S_OK;
126 }
127
128 static HRESULT WINAPI IDirectMusicPortImpl_SetNumChannelGroups (LPDIRECTMUSICPORT iface, DWORD dwChannelGroups) {
129         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
130         FIXME("(%p, %d): semi-stub\n", This, dwChannelGroups);
131         This->nrofgroups = dwChannelGroups;
132         return S_OK;
133 }
134
135 static HRESULT WINAPI IDirectMusicPortImpl_GetNumChannelGroups (LPDIRECTMUSICPORT iface, LPDWORD pdwChannelGroups) {
136         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
137         TRACE("(%p, %p)\n", This, pdwChannelGroups);
138         *pdwChannelGroups = This->nrofgroups;
139         return S_OK;
140 }
141
142 HRESULT WINAPI IDirectMusicPortImpl_Activate (LPDIRECTMUSICPORT iface, BOOL fActive) {
143         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
144         TRACE("(%p, %d)\n", This, fActive);
145         This->fActive = fActive;
146         return S_OK;
147 }
148
149 static HRESULT WINAPI IDirectMusicPortImpl_SetChannelPriority (LPDIRECTMUSICPORT iface, DWORD dwChannelGroup, DWORD dwChannel, DWORD dwPriority) {
150         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
151         FIXME("(%p, %d, %d, %d): semi-stub\n", This, dwChannelGroup, dwChannel, dwPriority);
152         if (dwChannel > 16) {
153                 WARN("isn't there supposed to be 16 channels (no. %d requested)?! (faking as it is ok)\n", dwChannel);
154                 /*return E_INVALIDARG;*/
155         }       
156         return S_OK;
157 }
158
159 static HRESULT WINAPI IDirectMusicPortImpl_GetChannelPriority (LPDIRECTMUSICPORT iface, DWORD dwChannelGroup, DWORD dwChannel, LPDWORD pdwPriority) {
160         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
161         TRACE("(%p, %d, %d, %p)\n", This, dwChannelGroup, dwChannel, pdwPriority);
162         *pdwPriority = This->group[dwChannelGroup-1].channel[dwChannel].priority;
163         return S_OK;
164 }
165
166 static HRESULT WINAPI IDirectMusicPortImpl_SetDirectSound (LPDIRECTMUSICPORT iface, LPDIRECTSOUND pDirectSound, LPDIRECTSOUNDBUFFER pDirectSoundBuffer) {
167         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
168         FIXME("(%p, %p, %p): stub\n", This, pDirectSound, pDirectSoundBuffer);
169         return S_OK;
170 }
171
172 static HRESULT WINAPI IDirectMusicPortImpl_GetFormat (LPDIRECTMUSICPORT iface, LPWAVEFORMATEX pWaveFormatEx, LPDWORD pdwWaveFormatExSize, LPDWORD pdwBufferSize) {
173         IDirectMusicPortImpl *This = (IDirectMusicPortImpl *)iface;
174         WAVEFORMATEX format;
175         FIXME("(%p, %p, %p, %p): stub\n", This, pWaveFormatEx, pdwWaveFormatExSize, pdwBufferSize);
176
177         if (pWaveFormatEx == NULL)
178         {
179                 if (pdwWaveFormatExSize)
180                         *pdwWaveFormatExSize = sizeof(format);
181                 else
182                         return E_POINTER;
183         }
184         else
185         {
186                 if (pdwWaveFormatExSize == NULL)
187                         return E_POINTER;
188
189                 /* Just fill this in with something that will not crash Direct Sound for now. */
190                 /* It won't be used anyway until Performances are completed */
191                 format.wFormatTag = WAVE_FORMAT_PCM;
192                 format.nChannels = 2; /* This->params.dwAudioChannels; */
193                 format.nSamplesPerSec = 44100; /* This->params.dwSampleRate; */
194                 format.wBitsPerSample = 16;     /* FIXME: check this */
195                 format.nBlockAlign = (format.wBitsPerSample * format.nChannels) / 8;
196                 format.nAvgBytesPerSec = format.nSamplesPerSec * format.nBlockAlign;
197                 format.cbSize = 0;
198
199                 if (*pdwWaveFormatExSize >= sizeof(format))
200                 {
201                         CopyMemory(pWaveFormatEx, &format, min(sizeof(format), *pdwWaveFormatExSize));
202                         *pdwWaveFormatExSize = sizeof(format);  /* FIXME check if this is set */
203                 }
204                 else
205                         return E_POINTER;       /* FIXME find right error */
206         }
207
208         if (pdwBufferSize)
209                 *pdwBufferSize = 44100 * 2 * 2;
210         else
211                 return E_POINTER;
212
213         return S_OK;
214 }
215
216 const IDirectMusicPortVtbl DirectMusicPort_Vtbl = {
217         IDirectMusicPortImpl_QueryInterface,
218         IDirectMusicPortImpl_AddRef,
219         IDirectMusicPortImpl_Release,
220         IDirectMusicPortImpl_PlayBuffer,
221         IDirectMusicPortImpl_SetReadNotificationHandle,
222         IDirectMusicPortImpl_Read,
223         IDirectMusicPortImpl_DownloadInstrument,
224         IDirectMusicPortImpl_UnloadInstrument,
225         IDirectMusicPortImpl_GetLatencyClock,
226         IDirectMusicPortImpl_GetRunningStats,
227         IDirectMusicPortImpl_Compact,
228         IDirectMusicPortImpl_GetCaps,
229         IDirectMusicPortImpl_DeviceIoControl,
230         IDirectMusicPortImpl_SetNumChannelGroups,
231         IDirectMusicPortImpl_GetNumChannelGroups,
232         IDirectMusicPortImpl_Activate,
233         IDirectMusicPortImpl_SetChannelPriority,
234         IDirectMusicPortImpl_GetChannelPriority,
235         IDirectMusicPortImpl_SetDirectSound,
236         IDirectMusicPortImpl_GetFormat
237 };
238
239 HRESULT WINAPI DMUSIC_CreateDirectMusicPortImpl (LPCGUID lpcGUID, LPVOID *ppobj, LPUNKNOWN pUnkOuter, LPDMUS_PORTPARAMS pPortParams, LPDMUS_PORTCAPS pPortCaps) {
240         IDirectMusicPortImpl *obj;
241         HRESULT hr = E_FAIL;
242
243         TRACE("(%p,%p,%p)\n", lpcGUID, ppobj, pUnkOuter);
244
245         obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicPortImpl));
246         if (NULL == obj)        {
247                 *ppobj = (LPDIRECTMUSICPORT) NULL;
248                 return E_OUTOFMEMORY;
249         }
250         obj->lpVtbl = &DirectMusicPort_Vtbl;
251         obj->ref = 0;  /* will be inited by QueryInterface */
252         obj->fActive = FALSE;
253         memcpy(&obj->params, pPortParams, sizeof(DMUS_PORTPARAMS));
254         memcpy(&obj->caps, pPortCaps, sizeof(DMUS_PORTCAPS));
255         obj->pDirectSound = NULL;
256         obj->pLatencyClock = NULL;
257         hr = DMUSIC_CreateReferenceClockImpl(&IID_IReferenceClock, (LPVOID*)&obj->pLatencyClock, NULL);
258
259 #if 0
260         if (pPortParams->dwValidParams & DMUS_PORTPARAMS_CHANNELGROUPS) {
261           obj->nrofgroups = pPortParams->dwChannelGroups;
262           /* setting default priorities */                      
263           for (j = 0; j < obj->nrofgroups; j++) {
264             TRACE ("Setting default channel priorities on channel group %i\n", j + 1);
265             obj->group[j].channel[0].priority = DAUD_CHAN1_DEF_VOICE_PRIORITY;
266             obj->group[j].channel[1].priority = DAUD_CHAN2_DEF_VOICE_PRIORITY;
267             obj->group[j].channel[2].priority = DAUD_CHAN3_DEF_VOICE_PRIORITY;
268             obj->group[j].channel[3].priority = DAUD_CHAN4_DEF_VOICE_PRIORITY;
269             obj->group[j].channel[4].priority = DAUD_CHAN5_DEF_VOICE_PRIORITY;
270             obj->group[j].channel[5].priority = DAUD_CHAN6_DEF_VOICE_PRIORITY;
271             obj->group[j].channel[6].priority = DAUD_CHAN7_DEF_VOICE_PRIORITY;
272             obj->group[j].channel[7].priority = DAUD_CHAN8_DEF_VOICE_PRIORITY;
273             obj->group[j].channel[8].priority = DAUD_CHAN9_DEF_VOICE_PRIORITY;
274             obj->group[j].channel[9].priority = DAUD_CHAN10_DEF_VOICE_PRIORITY;
275             obj->group[j].channel[10].priority = DAUD_CHAN11_DEF_VOICE_PRIORITY;
276             obj->group[j].channel[11].priority = DAUD_CHAN12_DEF_VOICE_PRIORITY;
277             obj->group[j].channel[12].priority = DAUD_CHAN13_DEF_VOICE_PRIORITY;
278             obj->group[j].channel[13].priority = DAUD_CHAN14_DEF_VOICE_PRIORITY;
279             obj->group[j].channel[14].priority = DAUD_CHAN15_DEF_VOICE_PRIORITY;
280             obj->group[j].channel[15].priority = DAUD_CHAN16_DEF_VOICE_PRIORITY;
281           }
282         }
283 #endif
284
285         return IDirectMusicPortImpl_QueryInterface ((LPDIRECTMUSICPORT)obj, lpcGUID, ppobj);
286 }