sapi: Implement ISpVoice::Set/GetVolume.

dlls/sapi/tests/tts.c

@@ -101,6 +101,7 @@ static void test_spvoice(void)
     ISpObjectToken *token;
     WCHAR *token_id = NULL, *default_token_id = NULL;
     LONG rate;
+    USHORT volume;
     HRESULT hr;
 
     if (waveOutGetNumDevs() == 0) {
@@ -179,6 +180,30 @@ static void test_spvoice(void)
     ok(hr == S_OK, "got %#lx.\n", hr);
     ok(rate == 1000, "rate = %ld\n", rate);
 
+    volume = 0xbeef;
+    hr = ISpVoice_GetVolume(voice, &volume);
+    ok(hr == S_OK, "got %#lx.\n", hr);
+    ok(volume == 100, "volume = %d\n", volume);
+
+    hr = ISpVoice_SetVolume(voice, 0);
+    ok(hr == S_OK, "got %#lx.\n", hr);
+
+    volume = 0xbeef;
+    hr = ISpVoice_GetVolume(voice, &volume);
+    ok(hr == S_OK, "got %#lx.\n", hr);
+    ok(volume == 0, "volume = %d\n", volume);
+
+    hr = ISpVoice_SetVolume(voice, 100);
+    ok(hr == S_OK, "got %#lx.\n", hr);
+
+    volume = 0xbeef;
+    hr = ISpVoice_GetVolume(voice, &volume);
+    ok(hr == S_OK, "got %#lx.\n", hr);
+    ok(volume == 100, "volume = %d\n", volume);
+
+    hr = ISpVoice_SetVolume(voice, 101);
+    ok(hr == E_INVALIDARG, "got %#lx.\n", hr);
+
     ISpVoice_Release(voice);
     ISpMMSysAudio_Release(audio_out);
 }

dlls/sapi/tts.c

@@ -43,6 +43,7 @@ struct speech_voice
 
     ISpStreamFormat *output;
     ISpTTSEngine *engine;
+    USHORT volume;
     LONG rate;
     CRITICAL_SECTION cs;
 };
@@ -779,16 +780,31 @@ static HRESULT WINAPI spvoice_GetRate(ISpVoice *iface, LONG *rate)
 
 static HRESULT WINAPI spvoice_SetVolume(ISpVoice *iface, USHORT volume)
 {
-    FIXME("(%p, %d): stub.\n", iface, volume);
+    struct speech_voice *This = impl_from_ISpVoice(iface);
 
-    return E_NOTIMPL;
+    TRACE("(%p, %d).\n", iface, volume);
+
+    if (volume > 100)
+        return E_INVALIDARG;
+
+    EnterCriticalSection(&This->cs);
+    This->volume = volume;
+    LeaveCriticalSection(&This->cs);
+
+    return S_OK;
 }
 
 static HRESULT WINAPI spvoice_GetVolume(ISpVoice *iface, USHORT *volume)
 {
-    FIXME("(%p, %p): stub.\n", iface, volume);
+    struct speech_voice *This = impl_from_ISpVoice(iface);
 
-    return E_NOTIMPL;
+    TRACE("(%p, %p).\n", iface, volume);
+
+    EnterCriticalSection(&This->cs);
+    *volume = This->volume;
+    LeaveCriticalSection(&This->cs);
+
+    return S_OK;
 }
 
 static HRESULT WINAPI spvoice_WaitUntilDone(ISpVoice *iface, ULONG timeout)
@@ -943,6 +959,7 @@ HRESULT speech_voice_create(IUnknown *outer, REFIID iid, void **obj)
 
     This->output = NULL;
     This->engine = NULL;
+    This->volume = 100;
     This->rate = 0;
 
     InitializeCriticalSection(&This->cs);