dlls/msttsengine/tts.c

   1 /*
   2  * MSTTSEngine SAPI engine implementation.
   3  *
   4  * Copyright 2023 Shaun Ren for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #define COBJMACROS
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "objbase.h"
  28
  29 #include "sapiddk.h"
  30 #include "sperror.h"
  31
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(msttsengine);
  35
  36 struct ttsengine
  37 {
  38     ISpTTSEngine ISpTTSEngine_iface;
  39     ISpObjectWithToken ISpObjectWithToken_iface;
  40     LONG ref;
  41
  42     ISpObjectToken *token;
  43 };
  44
  45 static inline struct ttsengine *impl_from_ISpTTSEngine(ISpTTSEngine *iface)
  46 {
  47     return CONTAINING_RECORD(iface, struct ttsengine, ISpTTSEngine_iface);
  48 }
  49
  50 static inline struct ttsengine *impl_from_ISpObjectWithToken(ISpObjectWithToken *iface)
  51 {
  52     return CONTAINING_RECORD(iface, struct ttsengine, ISpObjectWithToken_iface);
  53 }
  54
  55 static HRESULT WINAPI ttsengine_QueryInterface(ISpTTSEngine *iface, REFIID iid, void **obj)
  56 {
  57     struct ttsengine *This = impl_from_ISpTTSEngine(iface);
  58
  59     TRACE("(%p)->(%s %p)\n", This, debugstr_guid(iid), obj);
  60
  61     if (IsEqualIID(iid, &IID_IUnknown) ||
  62         IsEqualIID(iid, &IID_ISpTTSEngine))
  63     {
  64         *obj = &This->ISpTTSEngine_iface;
  65     }
  66     else if (IsEqualIID(iid, &IID_ISpObjectWithToken))
  67         *obj = &This->ISpObjectWithToken_iface;
  68     else
  69     {
  70         *obj = NULL;
  71         return E_NOINTERFACE;
  72     }
  73
  74     IUnknown_AddRef((IUnknown *)*obj);
  75     return S_OK;
  76 }
  77
  78 static ULONG WINAPI ttsengine_AddRef(ISpTTSEngine *iface)
  79 {
  80     struct ttsengine *This = impl_from_ISpTTSEngine(iface);
  81     ULONG ref = InterlockedIncrement(&This->ref);
  82
  83     TRACE("(%p) ref=%lu\n", This, ref);
  84
  85     return ref;
  86 }
  87
  88 static ULONG WINAPI ttsengine_Release(ISpTTSEngine *iface)
  89 {
  90     struct ttsengine *This = impl_from_ISpTTSEngine(iface);
  91     ULONG ref = InterlockedDecrement(&This->ref);
  92
  93     TRACE("(%p) ref=%lu\n", This, ref);
  94
  95     if (!ref)
  96     {
  97         if (This->token) ISpObjectToken_Release(This->token);
  98         free(This);
  99     }
 100
 101     return ref;
 102 }
 103
 104 static HRESULT WINAPI ttsengine_Speak(ISpTTSEngine *iface, DWORD flags, REFGUID fmtid,
 105                                       const WAVEFORMATEX *wfx, const SPVTEXTFRAG *frag_list,
 106                                       ISpTTSEngineSite *site)
 107 {
 108     FIXME("(%p, %#lx, %s, %p, %p, %p): stub.\n", iface, flags, debugstr_guid(fmtid), wfx, frag_list, site);
 109
 110     return E_NOTIMPL;
 111 }
 112
 113 static HRESULT WINAPI ttsengine_GetOutputFormat(ISpTTSEngine *iface, const GUID *fmtid,
 114                                                 const WAVEFORMATEX *wfx, GUID *out_fmtid,
 115                                                 WAVEFORMATEX **out_wfx)
 116 {
 117     FIXME("(%p, %s, %p, %p, %p): stub.\n", iface, debugstr_guid(fmtid), wfx, out_fmtid, out_wfx);
 118
 119     return E_NOTIMPL;
 120 }
 121
 122 static ISpTTSEngineVtbl ttsengine_vtbl =
 123 {
 124     ttsengine_QueryInterface,
 125     ttsengine_AddRef,
 126     ttsengine_Release,
 127     ttsengine_Speak,
 128     ttsengine_GetOutputFormat,
 129 };
 130
 131 static HRESULT WINAPI objwithtoken_QueryInterface(ISpObjectWithToken *iface, REFIID iid, void **obj)
 132 {
 133     struct ttsengine *This = impl_from_ISpObjectWithToken(iface);
 134
 135     TRACE("(%p, %s, %p).\n", iface, debugstr_guid(iid), obj);
 136
 137     return ISpTTSEngine_QueryInterface(&This->ISpTTSEngine_iface, iid, obj);
 138 }
 139
 140 static ULONG WINAPI objwithtoken_AddRef(ISpObjectWithToken *iface)
 141 {
 142     struct ttsengine *This = impl_from_ISpObjectWithToken(iface);
 143
 144     TRACE("(%p).\n", iface);
 145
 146     return ISpTTSEngine_AddRef(&This->ISpTTSEngine_iface);
 147 }
 148
 149 static ULONG WINAPI objwithtoken_Release(ISpObjectWithToken *iface)
 150 {
 151     struct ttsengine *This = impl_from_ISpObjectWithToken(iface);
 152
 153     TRACE("(%p).\n", iface);
 154
 155     return ISpTTSEngine_Release(&This->ISpTTSEngine_iface);
 156 }
 157
 158 static HRESULT WINAPI objwithtoken_SetObjectToken(ISpObjectWithToken *iface, ISpObjectToken *token)
 159 {
 160     struct ttsengine *This = impl_from_ISpObjectWithToken(iface);
 161
 162     FIXME("(%p, %p): semi-stub.\n", iface, token);
 163
 164     if (!token)
 165         return E_INVALIDARG;
 166     if (This->token)
 167         return SPERR_ALREADY_INITIALIZED;
 168
 169     ISpObjectToken_AddRef(token);
 170     This->token = token;
 171     return S_OK;
 172 }
 173
 174 static HRESULT WINAPI objwithtoken_GetObjectToken(ISpObjectWithToken *iface, ISpObjectToken **token)
 175 {
 176     struct ttsengine *This = impl_from_ISpObjectWithToken(iface);
 177
 178     TRACE("(%p, %p).\n", iface, token);
 179
 180     if (!token)
 181         return E_POINTER;
 182
 183     *token = This->token;
 184     if (*token)
 185     {
 186         ISpObjectToken_AddRef(*token);
 187         return S_OK;
 188     }
 189     else
 190         return S_FALSE;
 191 }
 192
 193 static const ISpObjectWithTokenVtbl objwithtoken_vtbl =
 194 {
 195     objwithtoken_QueryInterface,
 196     objwithtoken_AddRef,
 197     objwithtoken_Release,
 198     objwithtoken_SetObjectToken,
 199     objwithtoken_GetObjectToken
 200 };
 201
 202 HRESULT ttsengine_create(REFIID iid, void **obj)
 203 {
 204     struct ttsengine *This;
 205     HRESULT hr;
 206
 207     if (!(This = malloc(sizeof(*This))))
 208         return E_OUTOFMEMORY;
 209
 210     This->ISpTTSEngine_iface.lpVtbl = &ttsengine_vtbl;
 211     This->ISpObjectWithToken_iface.lpVtbl = &objwithtoken_vtbl;
 212     This->ref = 1;
 213
 214     This->token = NULL;
 215
 216     hr = ISpTTSEngine_QueryInterface(&This->ISpTTSEngine_iface, iid, obj);
 217     ISpTTSEngine_Release(&This->ISpTTSEngine_iface);
 218     return hr;
 219 }