/*
* This file is part of VLCJ.
*
* VLCJ 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.
*
* VLCJ 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 VLCJ. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2009, 2010, 2011, 2012, 2013, 2014 Caprica Software Limited.
*/
package uk.co.caprica.vlcj.test.factory;
import java.util.List;
import java.util.Map;
import uk.co.caprica.vlcj.player.Equalizer;
import uk.co.caprica.vlcj.player.MediaPlayerFactory;
import uk.co.caprica.vlcj.test.VlcjTest;
/**
* Test of the static equalizer preset data provided by the media player factory.
*/
public class EqualizerCapabilityTest extends VlcjTest {
public static void main(String[] args) {
MediaPlayerFactory factory = new MediaPlayerFactory();
if(!factory.isEqualizerAvailable()) {
System.out.println("Equalizer not available on this platform");
System.exit(0);
}
System.out.println("Preset names:");
List<String> presetNames = factory.getEqualizerPresetNames();
for(String presetName : presetNames) {
System.out.printf(" %s%n", presetName);
}
System.out.println();
System.out.println("Band frequencies:");
List<Float> bandFrequencies = factory.getEqualizerBandFrequencies();
for(Float freq : bandFrequencies) {
System.out.printf(" %f Hz%n", freq);
}
System.out.println();
// You can get individual presets by name, or get them all in one call as is done here...
Map<String, Equalizer> allPresets = factory.getAllPresetEqualizers();
for(String presetName : allPresets.keySet()) {
System.out.printf("%s:%n", presetName);
Equalizer preset = allPresets.get(presetName);
System.out.printf("%10s : %f Hz%n", "preamp", preset.getPreamp());
float[] amps = preset.getAmps();
for(int i = 0; i < amps.length; i++) {
float freq = bandFrequencies.get(i);
String unit;
if(freq < 1000f) {
unit = "Hz";
}
else {
freq = freq / 1000f;
unit = "kHz";
}
System.out.printf("%7.0f %-3s: %f Hz%n", freq, unit, amps[i]);
}
System.out.println();
}
}
}