sapi: Implement ISpeechVoice::Speak.

dlls/sapi/tests/tts.c

@@ -431,6 +431,7 @@ static void test_spvoice(void)
     ULONG stream_num;
     DWORD regid;
     DWORD start, duration;
+    ISpeechVoice *speech_voice;
     HRESULT hr;
 
     if (waveOutGetNumDevs() == 0) {
@@ -681,6 +682,14 @@ static void test_spvoice(void)
     ok(hr == S_OK, "got %#lx.\n", hr);
     ok(duration < 300, "took %lu ms.\n", duration);
 
+    hr = ISpVoice_QueryInterface(voice, &IID_ISpeechVoice, (void **)&speech_voice);
+    ok(hr == S_OK, "got %#lx.\n", hr);
+
+    hr = ISpeechVoice_Speak(speech_voice, NULL, SVSFPurgeBeforeSpeak, NULL);
+    ok(hr == S_OK, "got %#lx.\n", hr);
+
+    ISpeechVoice_Release(speech_voice);
+
 done:
     reset_engine_params(&test_engine);
     ISpVoice_Release(voice);

dlls/sapi/tts.c

@@ -357,9 +357,11 @@ static HRESULT WINAPI speech_voice_get_SynchronousSpeakTimeout(ISpeechVoice *ifa
 
 static HRESULT WINAPI speech_voice_Speak(ISpeechVoice *iface, BSTR text, SpeechVoiceSpeakFlags flags, LONG *number)
 {
-    FIXME("(%p, %s, %#x, %p): stub.\n", iface, debugstr_w(text), flags, number);
+    struct speech_voice *This = impl_from_ISpeechVoice(iface);
 
-    return E_NOTIMPL;
+    TRACE("(%p, %s, %#x, %p).\n", iface, debugstr_w(text), flags, number);
+
+    return ISpVoice_Speak(&This->ISpVoice_iface, text, flags, (ULONG *)number);
 }
 
 static HRESULT WINAPI speech_voice_SpeakStream(ISpeechVoice *iface, ISpeechBaseStream *stream,