/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.effectstest;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.View.OnClickListener;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;
import android.widget.EditText;
import android.widget.SeekBar;
import android.widget.ToggleButton;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import java.nio.ByteOrder;
import java.nio.ByteBuffer;
import java.util.HashMap;
import java.util.Map;
import android.media.audiofx.BassBoost;
import android.media.audiofx.AudioEffect;
public class BassBoostTest extends Activity implements OnCheckedChangeListener {
private final static String TAG = "BassBoostTest";
private static int NUM_PARAMS = 1;
private EffectParameter mStrength;
private BassBoost mBassBoost = null;
ToggleButton mOnOffButton;
ToggleButton mReleaseButton;
EditText mSessionText;
static int sSession = 0;
EffectListner mEffectListener = new EffectListner();
private static HashMap<Integer, BassBoost> sInstances = new HashMap<Integer, BassBoost>(10);
String mSettings = "";
public BassBoostTest() {
Log.d(TAG, "contructor");
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
SeekBar seekBar;
TextView textView;
setContentView(R.layout.bassboosttest);
mSessionText = (EditText) findViewById(R.id.sessionEdit);
mSessionText.setOnKeyListener(mSessionKeyListener);
mSessionText.setText(Integer.toString(sSession));
mReleaseButton = (ToggleButton)findViewById(R.id.bbReleaseButton);
mOnOffButton = (ToggleButton)findViewById(R.id.bassboostOnOff);
getEffect(sSession);
if (mBassBoost != null) {
mReleaseButton.setOnCheckedChangeListener(this);
mOnOffButton.setOnCheckedChangeListener(this);
textView = (TextView)findViewById(R.id.bbStrengthMin);
textView.setText("0");
textView = (TextView)findViewById(R.id.bbStrengthMax);
textView.setText("1000");
seekBar = (SeekBar)findViewById(R.id.bbStrengthSeekBar);
textView = (TextView)findViewById(R.id.bbStrengthValue);
mStrength = new BassBoostParam(mBassBoost, 0, 1000, seekBar, textView);
seekBar.setOnSeekBarChangeListener(mStrength);
mStrength.setEnabled(mBassBoost.getStrengthSupported());
}
}
@Override
public void onResume() {
super.onResume();
}
@Override
public void onPause() {
super.onPause();
}
private View.OnKeyListener mSessionKeyListener
= new View.OnKeyListener() {
public boolean onKey(View v, int keyCode, KeyEvent event) {
Log.d(TAG, "onKey() keyCode: "+keyCode+" event.getAction(): "+event.getAction());
if (event.getAction() == KeyEvent.ACTION_DOWN) {
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_CENTER:
case KeyEvent.KEYCODE_ENTER:
try {
sSession = Integer.parseInt(mSessionText.getText().toString());
getEffect(sSession);
if (mBassBoost != null) {
mStrength.setEffect(mBassBoost);
mStrength.setEnabled(mBassBoost.getStrengthSupported());
}
} catch (NumberFormatException e) {
Log.d(TAG, "Invalid session #: "+mSessionText.getText().toString());
}
return true;
}
}
return false;
}
};
// OnCheckedChangeListener
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
if (buttonView.getId() == R.id.bassboostOnOff) {
if (mBassBoost != null) {
mBassBoost.setEnabled(isChecked);
mStrength.updateDisplay();
}
}
if (buttonView.getId() == R.id.bbReleaseButton) {
if (isChecked) {
if (mBassBoost == null) {
getEffect(sSession);
if (mBassBoost != null) {
mStrength.setEffect(mBassBoost);
mStrength.setEnabled(mBassBoost.getStrengthSupported());
}
}
} else {
if (mBassBoost != null) {
mStrength.setEnabled(false);
putEffect(sSession);
}
}
}
}
private class BassBoostParam extends EffectParameter {
private BassBoost mBassBoost;
public BassBoostParam(BassBoost bassboost, int min, int max, SeekBar seekBar, TextView textView) {
super (min, max, seekBar, textView, "o/oo");
mBassBoost = bassboost;
updateDisplay();
}
@Override
public void setParameter(Integer value) {
if (mBassBoost != null) {
mBassBoost.setStrength(value.shortValue());
}
}
@Override
public Integer getParameter() {
if (mBassBoost != null) {
return new Integer(mBassBoost.getRoundedStrength());
}
return new Integer(0);
}
@Override
public void setEffect(Object effect) {
mBassBoost = (BassBoost)effect;
}
}
public class EffectListner implements AudioEffect.OnEnableStatusChangeListener,
AudioEffect.OnControlStatusChangeListener, AudioEffect.OnParameterChangeListener
{
public EffectListner() {
}
public void onEnableStatusChange(AudioEffect effect, boolean enabled) {
Log.d(TAG,"onEnableStatusChange: "+ enabled);
}
public void onControlStatusChange(AudioEffect effect, boolean controlGranted) {
Log.d(TAG,"onControlStatusChange: "+ controlGranted);
}
public void onParameterChange(AudioEffect effect, int status, byte[] param, byte[] value) {
int p = byteArrayToInt(param, 0);
short v = byteArrayToShort(value, 0);
Log.d(TAG,"onParameterChange, status: "+status+" p: "+p+" v: "+v);
}
private int byteArrayToInt(byte[] valueBuf, int offset) {
ByteBuffer converter = ByteBuffer.wrap(valueBuf);
converter.order(ByteOrder.nativeOrder());
return converter.getInt(offset);
}
private short byteArrayToShort(byte[] valueBuf, int offset) {
ByteBuffer converter = ByteBuffer.wrap(valueBuf);
converter.order(ByteOrder.nativeOrder());
return converter.getShort(offset);
}
}
private void getEffect(int session) {
synchronized (sInstances) {
if (sInstances.containsKey(session)) {
mBassBoost = sInstances.get(session);
} else {
try{
mBassBoost = new BassBoost(0, session);
} catch (IllegalArgumentException e) {
Log.e(TAG,"BassBoost effect not supported");
} catch (IllegalStateException e) {
Log.e(TAG,"BassBoost cannot get strength supported");
} catch (UnsupportedOperationException e) {
Log.e(TAG,"BassBoost library not loaded");
} catch (RuntimeException e) {
Log.e(TAG,"BassBoost effect not found");
}
sInstances.put(session, mBassBoost);
}
mReleaseButton.setEnabled(false);
mOnOffButton.setEnabled(false);
if (mBassBoost != null) {
if (mSettings != "") {
mBassBoost.setProperties(new BassBoost.Settings(mSettings));
}
mBassBoost.setEnableStatusListener(mEffectListener);
mBassBoost.setControlStatusListener(mEffectListener);
mBassBoost.setParameterListener(mEffectListener);
mReleaseButton.setChecked(true);
mReleaseButton.setEnabled(true);
mOnOffButton.setChecked(mBassBoost.getEnabled());
mOnOffButton.setEnabled(true);
}
}
}
private void putEffect(int session) {
mOnOffButton.setChecked(false);
mOnOffButton.setEnabled(false);
synchronized (sInstances) {
if (mBassBoost != null) {
mSettings = mBassBoost.getProperties().toString();
mBassBoost.release();
Log.d(TAG,"BassBoost released");
mBassBoost = null;
sInstances.remove(session);
}
}
}
}
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