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source/decompiled/de/maxhenkel/voicechat/plugins/impl/opus/JavaOpusEncoderImpl.java

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+/*
+ * Decompiled with CFR 0.152.
+ */
+package de.maxhenkel.voicechat.plugins.impl.opus;
+
+import de.maxhenkel.voicechat.concentus.OpusApplication;
+import de.maxhenkel.voicechat.concentus.OpusEncoder;
+
+public class JavaOpusEncoderImpl
+implements de.maxhenkel.voicechat.api.opus.OpusEncoder {
+    protected OpusEncoder opusEncoder;
+    protected byte[] buffer;
+    protected int sampleRate;
+    protected int frameSize;
+    protected int maxPayloadSize;
+    protected OpusApplication application;
+
+    public JavaOpusEncoderImpl(int sampleRate, int frameSize, int maxPayloadSize, OpusApplication application) {
+        this.sampleRate = sampleRate;
+        this.frameSize = frameSize;
+        this.maxPayloadSize = maxPayloadSize;
+        this.application = application;
+        this.buffer = new byte[maxPayloadSize];
+        this.open();
+    }
+
+    private void open() {
+        if (this.opusEncoder != null) {
+            return;
+        }
+        try {
+            this.opusEncoder = new OpusEncoder(this.sampleRate, 1, this.application);
+            this.opusEncoder.setUseInbandFEC(true);
+            this.opusEncoder.setPacketLossPercent(5);
+        }
+        catch (Exception e) {
+            throw new IllegalStateException("Opus encoder error " + e.getMessage());
+        }
+    }
+
+    @Override
+    public byte[] encode(short[] rawAudio) {
+        int result;
+        if (this.isClosed()) {
+            throw new IllegalStateException("Encoder is closed");
+        }
+        try {
+            result = this.opusEncoder.encode(rawAudio, 0, this.frameSize, this.buffer, 0, this.buffer.length);
+        }
+        catch (Exception e) {
+            throw new RuntimeException("Failed to encode audio data: " + e.getMessage());
+        }
+        if (result < 0) {
+            throw new RuntimeException("Failed to encode audio data");
+        }
+        byte[] audio = new byte[result];
+        System.arraycopy(this.buffer, 0, audio, 0, result);
+        return audio;
+    }
+
+    @Override
+    public void resetState() {
+        if (this.isClosed()) {
+            throw new IllegalStateException("Encoder is closed");
+        }
+        this.opusEncoder.resetState();
+    }
+
+    @Override
+    public boolean isClosed() {
+        return this.opusEncoder == null;
+    }
+
+    @Override
+    public void close() {
+        if (this.isClosed()) {
+            return;
+        }
+        this.opusEncoder = null;
+    }
+}
+