Update to gradle

1 files changed, 198 insertions, 0 deletions

diff --git a/app/src/main/java/github/daneren2005/dsub/audiofx/EqualizerController.java b/app/src/main/java/github/daneren2005/dsub/audiofx/EqualizerController.java
new file mode 100644
index 00000000..f170af0b
--- /dev/null
+++ b/app/src/main/java/github/daneren2005/dsub/audiofx/EqualizerController.java
@@ -0,0 +1,198 @@
+/*
+ This file is part of Subsonic.
+
+ Subsonic is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Subsonic is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Subsonic.  If not, see <http://www.gnu.org/licenses/>.
+
+ Copyright 2011 (C) Sindre Mehus
+ */
+package github.daneren2005.dsub.audiofx;
+
+import java.io.Serializable;
+
+import android.content.Context;
+import android.media.audiofx.BassBoost;
+import android.media.audiofx.Equalizer;
+import android.os.Build;
+import android.util.Log;
+import github.daneren2005.dsub.util.FileUtil;
+
+/**
+ * Backward-compatible wrapper for {@link Equalizer}, which is API Level 9.
+ *
+ * @author Sindre Mehus
+ * @version $Id$
+ */
+public class EqualizerController {
+
+	private static final String TAG = EqualizerController.class.getSimpleName();
+
+	private final Context context;
+	private Equalizer equalizer;
+	private BassBoost bass;
+	private boolean loudnessAvailable = false;
+	private LoudnessEnhancerController loudnessEnhancerController;
+	private boolean released = false;
+	private int audioSessionId = 0;
+
+	public EqualizerController(Context context, int audioSessionId) {
+		this.context = context;
+		this.audioSessionId = audioSessionId;
+		init();
+	}
+
+	private void init() {
+		equalizer = new Equalizer(0, audioSessionId);
+		bass = new BassBoost(0, audioSessionId);
+		if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
+			loudnessAvailable = true;
+			loudnessEnhancerController = new LoudnessEnhancerController(context, audioSessionId);
+		}
+	}
+
+	public void saveSettings() {
+		try {
+			if (isAvailable()) {
+				FileUtil.serialize(context, new EqualizerSettings(equalizer, bass, loudnessEnhancerController), "equalizer.dat");
+			}
+		} catch (Throwable x) {
+			Log.w(TAG, "Failed to save equalizer settings.", x);
+		}
+	}
+
+	public void loadSettings() {
+		try {
+			if (isAvailable()) {
+				EqualizerSettings settings = FileUtil.deserialize(context, "equalizer.dat", EqualizerSettings.class);
+				if (settings != null) {
+					settings.apply(equalizer, bass, loudnessEnhancerController);
+				}
+			}
+		} catch (Throwable x) {
+			Log.w(TAG, "Failed to load equalizer settings.", x);
+		}
+	}
+
+	public boolean isAvailable() {
+		return equalizer != null && bass != null;
+	}
+
+	public boolean isEnabled() {
+		try {
+			return isAvailable() && equalizer.getEnabled();
+		} catch(Exception e) {
+			return false;
+		}
+	}
+
+	public void release() {
+		if (isAvailable()) {
+			released = true;
+			equalizer.release();
+			bass.release();
+			if(loudnessEnhancerController != null && loudnessEnhancerController.isAvailable()) {
+				loudnessEnhancerController.release();
+			}
+		}
+	}
+
+	public Equalizer getEqualizer() {
+		if(released) {
+			released = false;
+			try {
+				init();
+			} catch (Throwable x) {
+				equalizer = null;
+				released = true;
+				Log.w(TAG, "Failed to create equalizer.", x);
+			}
+		}
+		return equalizer;
+	}
+	public BassBoost getBassBoost() {
+		if(released) {
+			released = false;
+			try {
+				init();
+			} catch (Throwable x) {
+				bass = null;
+				Log.w(TAG, "Failed to create bass booster.", x);
+			}
+		}
+		return bass;
+	}
+	public LoudnessEnhancerController getLoudnessEnhancerController() {
+		if(loudnessAvailable && released) {
+			released = false;
+			try {
+				init();
+			} catch (Throwable x) {
+				loudnessEnhancerController = null;
+				Log.w(TAG, "Failed to create loudness enhancer.", x);
+			}
+		}
+		return loudnessEnhancerController;
+	}
+
+	private static class EqualizerSettings implements Serializable {
+
+		private short[] bandLevels;
+		private short preset;
+		private boolean enabled;
+		private short bass;
+		private int loudness;
+
+		public EqualizerSettings() {
+
+		}
+		public EqualizerSettings(Equalizer equalizer, BassBoost boost, LoudnessEnhancerController loudnessEnhancerController) {
+			enabled = equalizer.getEnabled();
+			bandLevels = new short[equalizer.getNumberOfBands()];
+			for (short i = 0; i < equalizer.getNumberOfBands(); i++) {
+				bandLevels[i] = equalizer.getBandLevel(i);
+			}
+			try {
+				preset = equalizer.getCurrentPreset();
+			} catch (Exception x) {
+				preset = -1;
+			}
+			try {
+				bass = boost.getRoundedStrength();
+			} catch(Exception e) {
+				bass = 0;
+			}
+
+			try {
+				loudness = (int) loudnessEnhancerController.getGain();
+			} catch(Exception e) {
+				loudness = 0;
+			}
+		}
+
+		public void apply(Equalizer equalizer, BassBoost boost, LoudnessEnhancerController loudnessController) {
+			for (short i = 0; i < bandLevels.length; i++) {
+				equalizer.setBandLevel(i, bandLevels[i]);
+			}
+			equalizer.setEnabled(enabled);
+			if(bass != 0) {
+				boost.setEnabled(true);
+				boost.setStrength(bass);
+			}
+			if(loudness != 0) {
+				loudnessController.enable();
+				loudnessController.setGain(loudness);
+			}
+		}
+	}
+}
+