Updates pull request from Roman Tsypuk to convert the build system from

ant to gradle. Removes linux and windows application launch scripts and produces an executable jar with all resources included.
2026-11-12 16:47:31 -05:00 · 2017-12-17 07:28:03 -05:00
parent a1535c4157
commit 9316599dec
981 changed files with 8368 additions and 9049 deletions
--- a/src/main/java/io/github/dsheirer/audio/invert/AudioAdapter.java
+++ b/src/main/java/io/github/dsheirer/audio/invert/AudioAdapter.java
@@ -0,0 +1,99 @@
+/*******************************************************************************
+ *     SDR Trunk 
+ *     Copyright (C) 2014 Dennis Sheirer
+ * 
+ *     This program 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.
+ * 
+ *     This program 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 this program.  If not, see <http://www.gnu.org/licenses/>
+ ******************************************************************************/
+package io.github.dsheirer.audio.invert;
+
+import io.github.dsheirer.dsp.filter.FilterFactory;
+import io.github.dsheirer.dsp.filter.FloatFIRFilter;
+import io.github.dsheirer.dsp.filter.Window.WindowType;
+import io.github.dsheirer.dsp.mixer.Oscillator;
+
+/**
+ * Based on the AudioType applied, produces normal, muted, or audio invert
+ * audio output.
+ */
+public class AudioAdapter
+{
+	private static int mGain = 5;
+	private Oscillator mSineWaveGenerator;
+	private FloatFIRFilter mPostInversionFilter;
+	private FloatFIRFilter mAudioHighPassFilter;
+	private AudioType mAudioType = AudioType.NORMAL;
+	private int mSampleRate;
+	
+	public AudioAdapter( int sampleRate )
+	{
+		mSampleRate = sampleRate;
+		mSineWaveGenerator = new Oscillator( 3000, mSampleRate );
+		mAudioHighPassFilter = new FloatFIRFilter( 
+				FilterFactory.getHighPass( mSampleRate, 200, 1600, 48, 
+						WindowType.HAMMING, true ), mGain );
+		mPostInversionFilter = new FloatFIRFilter( 
+				FilterFactory.getLowPass( mSampleRate, 3000, 5000, 48, 
+						WindowType.HAMMING, true ), mGain );
+	}
+	
+	public void setAudioType( AudioType type )
+	{
+		if( type != null && type != mAudioType )
+		{
+			mAudioType = type;
+
+			int inversionFrequency = type.getAudioInversionFrequency();
+			
+			if( inversionFrequency != 0 )
+			{
+				mSineWaveGenerator.setFrequency( inversionFrequency );;
+			}
+		}
+	}
+	
+    public float get( float sample )
+    {
+    	float retVal;
+    	
+		switch( mAudioType )
+		{
+			case NORMAL:
+				retVal = mAudioHighPassFilter.get( sample );
+				break;
+			case MUTE:
+				retVal = 0.0f;
+				break;
+			case INV2632:
+			case INV2718:
+			case INV2868:
+			case INV3023:
+			case INV3107:
+			case INV3196:
+			case INV3333:
+			case INV3339:
+			case INV3496:
+			case INV3729:
+			case INV4096:
+			default:
+				retVal = (float)( mPostInversionFilter.get( 
+						mAudioHighPassFilter.get( sample ) * 
+						mSineWaveGenerator.getFloat() ) );
+				
+				mSineWaveGenerator.rotate();
+				break;
+		}
+		
+		return retVal;
+    }
+}