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[picotts] Add LRU cache (#14565)

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* [picotts] Add LRU cache

Signed-off-by: Gwendal Roulleau <gwendal.roulleau@gmail.com>

---------

Signed-off-by: Gwendal Roulleau <gwendal.roulleau@gmail.com>
This commit is contained in:
Gwendal Roulleau
2023-07-08 18:09:06 +02:00
committed by GitHub
parent 5bea9bcfdf
commit b17246f00a
3 changed files with 34 additions and 4 deletions
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18
bundles/org.openhab.voice.picotts/src/main/java/org/openhab/voice/picotts/internal/PicoTTSAudioStream.java
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@@ -24,6 +24,7 @@ import org.openhab.core.audio.AudioException;
import org.openhab.core.audio.AudioFormat;
import org.openhab.core.audio.AudioStream;
import org.openhab.core.audio.FixedLengthAudioStream;
import org.openhab.core.common.Disposable;
import org.openhab.core.voice.Voice;
/**
@@ -32,7 +33,8 @@ import org.openhab.core.voice.Voice;
* @author Florian Schmidt - Initial Contribution
*/
@NonNullByDefault
class PicoTTSAudioStream extends FixedLengthAudioStream {
class PicoTTSAudioStream extends FixedLengthAudioStream implements Disposable {
private final Voice voice;
private final String text;
private final AudioFormat audioFormat;
@@ -127,4 +129,18 @@ class PicoTTSAudioStream extends FixedLengthAudioStream {
throw new AudioException("No temporary audio file available.");
}
}
@Override
public void dispose() throws IOException {
File localFile = file;
if (localFile != null && localFile.exists()) {
try {
if (!localFile.delete()) {
throw new IOException("Failed to delete the file " + localFile.getAbsolutePath());
}
} catch (SecurityException e) {
throw new IOException("Failed to delete the file " + localFile.getAbsolutePath(), e);
}
}
}
}

16
bundles/org.openhab.voice.picotts/src/main/java/org/openhab/voice/picotts/internal/PicoTTSService.java
View File

@@ -23,17 +23,27 @@ import org.eclipse.jdt.annotation.Nullable;
import org.openhab.core.audio.AudioException;
import org.openhab.core.audio.AudioFormat;
import org.openhab.core.audio.AudioStream;
import org.openhab.core.voice.AbstractCachedTTSService;
import org.openhab.core.voice.TTSCache;
import org.openhab.core.voice.TTSException;
import org.openhab.core.voice.TTSService;
import org.openhab.core.voice.Voice;
import org.osgi.service.component.annotations.Activate;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
/**
* @author Florian Schmidt - Initial Contribution
*/
@Component
@Component(service = TTSService.class)
@NonNullByDefault
public class PicoTTSService implements TTSService {
public class PicoTTSService extends AbstractCachedTTSService {
@Activate
public PicoTTSService(@Reference TTSCache ttsCache) {
super(ttsCache);
}
private final Set<Voice> voices = Stream
.of(new PicoTTSVoice("de-DE"), new PicoTTSVoice("en-US"), new PicoTTSVoice("en-GB"),
new PicoTTSVoice("es-ES"), new PicoTTSVoice("fr-FR"), new PicoTTSVoice("it-IT"))
@@ -53,7 +63,7 @@ public class PicoTTSService implements TTSService {
}
@Override
public AudioStream synthesize(String text, Voice voice, AudioFormat requestedFormat) throws TTSException {
public AudioStream synthesizeForCache(String text, Voice voice, AudioFormat requestedFormat) throws TTSException {
if (text.isEmpty()) {
throw new TTSException("The passed text can not be empty");
}