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Add Ability To Select TTS Voice #749

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Add Ability To Select TTS Voice #749

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28 changes: 28 additions & 0 deletions app/src/main/java/com/termux/api/apis/TextToSpeechAPI.java
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
import android.speech.tts.TextToSpeech.Engine;
import android.speech.tts.TextToSpeech.EngineInfo;
import android.speech.tts.UtteranceProgressListener;
import android.speech.tts.Voice;
import android.util.JsonWriter;

import com.termux.api.util.ResultReturner;
Expand Down Expand Up @@ -67,6 +68,7 @@ protected void onHandleIntent(final Intent intent) {
final String speechRegion = intent.getStringExtra("region");
final String speechVariant = intent.getStringExtra("variant");
final String speechEngine = intent.getStringExtra("engine");
final String speechVoice = intent.getStringExtra("voice");
final float speechPitch = intent.getFloatExtra("pitch", 1.0f);

// STREAM_MUSIC is the default audio stream for TTS, see:
Expand Down Expand Up @@ -121,6 +123,23 @@ public void writeResult(PrintWriter out) {
return;
}

if ("LIST_AVAILABLE".equals(speechVoice)) {
try (JsonWriter writer = new JsonWriter(out)) {
writer.setIndent(" ");
Voice defaultVoice = mTts.getVoice();
writer.beginArray();
for (Voice voice : mTts.getVoices()) {
writer.beginObject();
writer.name("name").value(voice.getName());
writer.name("default").value(defaultVoice.equals(voice.getName()));
writer.endObject();
}
writer.endArray();
}
out.println();
return;
}

if ("LIST_AVAILABLE".equals(speechEngine)) {
try (JsonWriter writer = new JsonWriter(out)) {
writer.setIndent(" ");
Expand Down Expand Up @@ -172,6 +191,15 @@ public void onDone(String utteranceId) {
}
}

if (speechVoice != null) {
for (Voice voice : mTts.getVoices()) {
if (voice.getName().equals(speechVoice)) {
mTts.setVoice(voice);
break;
}
}
}

mTts.setPitch(speechPitch);
mTts.setSpeechRate(intent.getFloatExtra("rate", 1.0f));

Expand Down