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/*
* 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.musicvis.vis2;
import com.android.musicvis.GenericWaveRS;
import com.android.musicvis.R;
import com.android.musicvis.AudioCapture;
import android.util.Log;
import android.media.MediaPlayer;
class Visualization2RS extends GenericWaveRS {
Visualization2RS(int width, int height) {
super(width, height, R.drawable.fire);
}
@Override
public void start() {
if (mAudioCapture == null) {
mAudioCapture = new AudioCapture(AudioCapture.TYPE_PCM, 1024);
}
super.start();
}
@Override
public void stop() {
super.stop();
if (mAudioCapture != null) {
mAudioCapture.release();
mAudioCapture = null;
}
}
@Override
public void update() {
int len = 0;
if (mAudioCapture != null) {
mVizData = mAudioCapture.getFormattedData(1,1);
len = mVizData.length;
}
if (len == 0) {
if (mWorldState.idle == 0) {
mWorldState.idle = 1;
mState.data(mWorldState);
}
return;
}
int outlen = mPointData.length / 8;
if (len > outlen) len = outlen;
if (mWorldState.idle != 0) {
mWorldState.idle = 0;
mState.data(mWorldState);
}
// TODO: might be more efficient to push this in to renderscript
for(int i = 0; i < len; i++) {
int amp = mVizData[i];
mPointData[i*8+1] = amp;
mPointData[i*8+5] = -amp;
}
mPointAlloc.data(mPointData);
}
}