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Diffstat (limited to 'subsonic-android/src/net/sourceforge/subsonic/androidapp/audiofx/VisualizerController.java')
-rw-r--r-- | subsonic-android/src/net/sourceforge/subsonic/androidapp/audiofx/VisualizerController.java | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/subsonic-android/src/net/sourceforge/subsonic/androidapp/audiofx/VisualizerController.java b/subsonic-android/src/net/sourceforge/subsonic/androidapp/audiofx/VisualizerController.java deleted file mode 100644 index 9a211b58..00000000 --- a/subsonic-android/src/net/sourceforge/subsonic/androidapp/audiofx/VisualizerController.java +++ /dev/null @@ -1,90 +0,0 @@ -/* - This file is part of Subsonic. - - Subsonic 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. - - Subsonic 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 Subsonic. If not, see <http://www.gnu.org/licenses/>. - - Copyright 2011 (C) Sindre Mehus - */ -package net.sourceforge.subsonic.androidapp.audiofx; - -import android.content.Context; -import android.media.MediaPlayer; -import android.media.audiofx.Visualizer; -import android.util.Log; - -/** - * Backward-compatible wrapper for {@link Visualizer}, which is API Level 9. - * - * @author Sindre Mehus - * @version $Id$ - */ -public class VisualizerController { - - private static final String TAG = VisualizerController.class.getSimpleName(); - private static final int PREFERRED_CAPTURE_SIZE = 128; // Must be a power of two. - - private final Context context; - private Visualizer visualizer; - - // Class initialization fails when this throws an exception. - static { - try { - Class.forName("android.media.audiofx.Visualizer"); - } catch (Exception ex) { - throw new RuntimeException(ex); - } - } - - /** - * Throws an exception if the {@link Visualizer} class is not available. - */ - public static void checkAvailable() throws Throwable { - // Calling here forces class initialization. - } - - public VisualizerController(Context context, MediaPlayer mediaPlayer) { - this.context = context; - try { - visualizer = new Visualizer(mediaPlayer.getAudioSessionId()); - } catch (Throwable x) { - Log.w(TAG, "Failed to create visualizer.", x); - } - - if (visualizer != null) { - int[] captureSizeRange = Visualizer.getCaptureSizeRange(); - int captureSize = Math.max(PREFERRED_CAPTURE_SIZE, captureSizeRange[0]); - captureSize = Math.min(captureSize, captureSizeRange[1]); - visualizer.setCaptureSize(captureSize); - } - } - - public boolean isAvailable() { - return visualizer != null; - } - - public boolean isEnabled() { - return isAvailable() && visualizer.getEnabled(); - } - - public void release() { - if (isAvailable()) { - visualizer.release(); - } - } - - public Visualizer getVisualizer() { - return visualizer; - } -} - |