1 files changed, 185 insertions, 0 deletions
diff --git a/src/org/cyanogenmod/audiofx/audiofx/backends/AndroidEffects.java b/src/org/cyanogenmod/audiofx/audiofx/backends/AndroidEffects.java
new file mode 100644
index 0000000..090eb73
--- /dev/null
+++ b/src/org/cyanogenmod/audiofx/audiofx/backends/AndroidEffects.java
@@ -0,0 +1,185 @@
+package com.cyngn.audiofx.backends;
+
+import android.media.AudioDeviceInfo;
+import android.media.audiofx.AudioEffect;
+import android.media.audiofx.BassBoost;
+import android.media.audiofx.PresetReverb;
+import android.media.audiofx.Virtualizer;
+import android.util.Log;
+
+import com.cyngn.audiofx.Constants;
+
+/**
+ * EffectSet which comprises standard Android effects
+ */
+class AndroidEffects extends EffectSetWithAndroidEq {
+
+    /**
+     * Session-specific bassboost
+     */
+    private BassBoost mBassBoost;
+
+    /**
+     * Session-specific virtualizer
+     */
+    private Virtualizer mVirtualizer;
+
+    /**
+     * Session-specific reverb
+     */
+    private PresetReverb mPresetReverb;
+
+    public AndroidEffects(int sessionId, AudioDeviceInfo deviceInfo) {
+        super(sessionId, deviceInfo);
+    }
+
+    @Override
+    protected void onCreate() {
+        super.onCreate();
+
+        mBassBoost = new BassBoost(100, mSessionId);
+        mVirtualizer = new Virtualizer(100, mSessionId);
+        mPresetReverb = new PresetReverb(100, mSessionId);
+    }
+
+    @Override
+    public void release() {
+        super.release();
+
+        try {
+            if (mBassBoost != null) {
+                mBassBoost.release();
+            }
+        } catch (Exception e) {
+            // ignored;
+        }
+        try {
+            if (mVirtualizer != null) {
+                mVirtualizer.release();
+            }
+        } catch (Exception e) {
+            // ignored
+        }
+        try {
+            if (mPresetReverb != null) {
+                mPresetReverb.release();
+            }
+        } catch (Exception e) {
+            // ignored
+        }
+        mBassBoost = null;
+        mVirtualizer = null;
+        mPresetReverb = null;
+    }
+
+    @Override
+    public synchronized void setDevice(AudioDeviceInfo deviceInfo) {
+        super.setDevice(deviceInfo);
+    }
+
+    @Override
+    public void setGlobalEnabled(boolean globalEnabled) {
+        super.setGlobalEnabled(globalEnabled);
+
+        if (!globalEnabled) {
+            // disable everything. it will get explictly enabled
+            // individually when necessary.
+            try {
+                if (mVirtualizer != null) {
+                    mVirtualizer.setEnabled(false);
+                }
+            } catch (Exception e) {
+                Log.e(TAG, "Unable to disable virtualizer!", e);
+            }
+            try {
+                if (mBassBoost != null) {
+                    mBassBoost.setEnabled(false);
+                }
+            } catch (Exception e) {
+                Log.e(TAG, "Unable to disable bass boost!", e);
+            }
+            try {
+                if (mPresetReverb != null) {
+                    mPresetReverb.setEnabled(false);
+                }
+            } catch (Exception e) {
+                Log.e(TAG, "Unable to disable reverb!", e);
+            }
+        }
+    }
+
+    @Override
+    public boolean hasVirtualizer() {
+        return mVirtualizer != null && mVirtualizer.getStrengthSupported();
+    }
+
+    @Override
+    public boolean hasBassBoost() {
+        return mBassBoost != null && mBassBoost.getStrengthSupported();
+    }
+
+    @Override
+    public void enableBassBoost(boolean enable) {
+        try {
+            if (mBassBoost != null) {
+                mBassBoost.setEnabled(enable);
+            }
+        } catch (Exception e) {
+            Log.e(TAG, "Unable to " + (enable ? "enable" : "disable") + " bass boost!", e);
+        }
+    }
+
+    @Override
+    public void setBassBoostStrength(short strength) {
+        setParameterSafe(mBassBoost, BassBoost.PARAM_STRENGTH, strength);
+    }
+
+    @Override
+    public void enableVirtualizer(boolean enable) {
+        try {
+            if (mVirtualizer != null) {
+                mVirtualizer.setEnabled(enable);
+            }
+        } catch (Exception e) {
+            Log.e(TAG, "Unable to " + (enable ? "enable" : "disable") + " virtualizer!", e);
+        }
+    }
+
+    @Override
+    public void setVirtualizerStrength(short strength) {
+        setParameterSafe(mVirtualizer, Virtualizer.PARAM_STRENGTH, strength);
+    }
+
+    @Override
+    public void enableReverb(boolean enable) {
+        try {
+            if (mPresetReverb != null) {
+                mPresetReverb.setEnabled(enable);
+            }
+        } catch (Exception e) {
+            Log.e(TAG, "Unable to " + (enable ? "enable" : "disable") + " preset reverb!", e);
+        }
+
+    }
+
+    @Override
+    public void setReverbPreset(short preset) {
+        setParameterSafe(mPresetReverb, PresetReverb.PARAM_PRESET, preset);
+    }
+
+    @Override
+    public int getBrand() {
+        return Constants.EFFECT_TYPE_ANDROID;
+    }
+
+    private void setParameterSafe(AudioEffect e, int p, short v) {
+        if (e == null) {
+            return;
+        }
+        try {
+            e.setParameter(p, v);
+        } catch (Exception ex) {
+            Log.e(TAG, "Failed to set param " + p + " for effect " + e.getDescriptor().name, ex);
+        }
+    }
+}