1 files changed, 51 insertions, 0 deletions
diff --git a/platform/web/audio_driver_web.h b/platform/web/audio_driver_web.h
index 12a61746c3..df88d0a94c 100644
--- a/platform/web/audio_driver_web.h
+++ b/platform/web/audio_driver_web.h
@@ -90,6 +90,7 @@ public:
 	AudioDriverWeb() {}
 };
 
+#ifdef THREADS_ENABLED
 class AudioDriverWorklet : public AudioDriverWeb {
 private:
 	enum {
@@ -120,4 +121,54 @@ public:
 	virtual void unlock() override;
 };
 
+#else
+
+class AudioDriverWorklet : public AudioDriverWeb {
+private:
+	static void _process_callback(int p_pos, int p_samples);
+	static void _capture_callback(int p_pos, int p_samples);
+
+	static AudioDriverWorklet *singleton;
+
+protected:
+	virtual Error create(int &p_buffer_size, int p_output_channels) override;
+	virtual void start(float *p_out_buf, int p_out_buf_size, float *p_in_buf, int p_in_buf_size) override;
+
+public:
+	virtual const char *get_name() const override {
+		return "AudioWorklet";
+	}
+
+	virtual void lock() override {}
+	virtual void unlock() override {}
+
+	static AudioDriverWorklet *get_singleton() { return singleton; }
+
+	AudioDriverWorklet() { singleton = this; }
+};
+
+class AudioDriverScriptProcessor : public AudioDriverWeb {
+private:
+	static void _process_callback();
+
+	static AudioDriverScriptProcessor *singleton;
+
+protected:
+	virtual Error create(int &p_buffer_size, int p_output_channels) override;
+	virtual void start(float *p_out_buf, int p_out_buf_size, float *p_in_buf, int p_in_buf_size) override;
+	virtual void finish_driver() override;
+
+public:
+	virtual const char *get_name() const override { return "ScriptProcessor"; }
+
+	virtual void lock() override {}
+	virtual void unlock() override {}
+
+	static AudioDriverScriptProcessor *get_singleton() { return singleton; }
+
+	AudioDriverScriptProcessor() { singleton = this; }
+};
+
+#endif // THREADS_ENABLED
+
 #endif // AUDIO_DRIVER_WEB_H