From 7039a05147b8bbfc829babea1c65bd436450b505 Mon Sep 17 00:00:00 2001 From: Björn Stenberg Date: Mon, 8 Jan 2007 23:53:00 +0000 Subject: Splitting out songdbj git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11953 a1c6a512-1295-4272-9138-f99709370657 --- .../javazoom/jl/player/JavaSoundAudioDevice.java | 215 --------------------- 1 file changed, 215 deletions(-) delete mode 100644 songdbj/javazoom/jl/player/JavaSoundAudioDevice.java (limited to 'songdbj/javazoom/jl/player/JavaSoundAudioDevice.java') diff --git a/songdbj/javazoom/jl/player/JavaSoundAudioDevice.java b/songdbj/javazoom/jl/player/JavaSoundAudioDevice.java deleted file mode 100644 index caa92cd6fc..0000000000 --- a/songdbj/javazoom/jl/player/JavaSoundAudioDevice.java +++ /dev/null @@ -1,215 +0,0 @@ -/* - * 11/26/04 Buffer size modified to support JRE 1.5 optimizations. - * (CPU usage < 1% under P4/2Ghz, RAM < 12MB). - * jlayer@javazoom.net - * 11/19/04 1.0 moved to LGPL. - * 06/04/01 Too fast playback fixed. mdm@techie.com - * 29/01/00 Initial version. mdm@techie.com - *----------------------------------------------------------------------- - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Library General Public License as published - * by the Free Software Foundation; either version 2 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 Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - *---------------------------------------------------------------------- - */ - -package javazoom.jl.player; - -import javax.sound.sampled.AudioFormat; -import javax.sound.sampled.AudioSystem; -import javax.sound.sampled.DataLine; -import javax.sound.sampled.Line; -import javax.sound.sampled.LineUnavailableException; -import javax.sound.sampled.SourceDataLine; - -import javazoom.jl.decoder.Decoder; -import javazoom.jl.decoder.JavaLayerException; - -/** - * The JavaSoundAudioDevice implements an audio - * device by using the JavaSound API. - * - * @since 0.0.8 - * @author Mat McGowan - */ -public class JavaSoundAudioDevice extends AudioDeviceBase -{ - private SourceDataLine source = null; - - private AudioFormat fmt = null; - - private byte[] byteBuf = new byte[4096]; - - protected void setAudioFormat(AudioFormat fmt0) - { - fmt = fmt0; - } - - protected AudioFormat getAudioFormat() - { - if (fmt==null) - { - Decoder decoder = getDecoder(); - fmt = new AudioFormat(decoder.getOutputFrequency(), - 16, - decoder.getOutputChannels(), - true, - false); - } - return fmt; - } - - protected DataLine.Info getSourceLineInfo() - { - AudioFormat fmt = getAudioFormat(); - //DataLine.Info info = new DataLine.Info(SourceDataLine.class, fmt, 4000); - DataLine.Info info = new DataLine.Info(SourceDataLine.class, fmt); - return info; - } - - public void open(AudioFormat fmt) throws JavaLayerException - { - if (!isOpen()) - { - setAudioFormat(fmt); - openImpl(); - setOpen(true); - } - } - - protected void openImpl() - throws JavaLayerException - { - } - - - // createSource fix. - protected void createSource() throws JavaLayerException - { - Throwable t = null; - try - { - Line line = AudioSystem.getLine(getSourceLineInfo()); - if (line instanceof SourceDataLine) - { - source = (SourceDataLine)line; - //source.open(fmt, millisecondsToBytes(fmt, 2000)); - source.open(fmt); - /* - if (source.isControlSupported(FloatControl.Type.MASTER_GAIN)) - { - FloatControl c = (FloatControl)source.getControl(FloatControl.Type.MASTER_GAIN); - c.setValue(c.getMaximum()); - }*/ - source.start(); - - } - } catch (RuntimeException ex) - { - t = ex; - } - catch (LinkageError ex) - { - t = ex; - } - catch (LineUnavailableException ex) - { - t = ex; - } - if (source==null) throw new JavaLayerException("cannot obtain source audio line", t); - } - - public int millisecondsToBytes(AudioFormat fmt, int time) - { - return (int)(time*(fmt.getSampleRate()*fmt.getChannels()*fmt.getSampleSizeInBits())/8000.0); - } - - protected void closeImpl() - { - if (source!=null) - { - source.close(); - } - } - - protected void writeImpl(short[] samples, int offs, int len) - throws JavaLayerException - { - if (source==null) - createSource(); - - byte[] b = toByteArray(samples, offs, len); - source.write(b, 0, len*2); - } - - protected byte[] getByteArray(int length) - { - if (byteBuf.length < length) - { - byteBuf = new byte[length+1024]; - } - return byteBuf; - } - - protected byte[] toByteArray(short[] samples, int offs, int len) - { - byte[] b = getByteArray(len*2); - int idx = 0; - short s; - while (len-- > 0) - { - s = samples[offs++]; - b[idx++] = (byte)s; - b[idx++] = (byte)(s>>>8); - } - return b; - } - - protected void flushImpl() - { - if (source!=null) - { - source.drain(); - } - } - - public int getPosition() - { - int pos = 0; - if (source!=null) - { - pos = (int)(source.getMicrosecondPosition()/1000); - } - return pos; - } - - /** - * Runs a short test by playing a short silent sound. - */ - public void test() - throws JavaLayerException - { - try - { - open(new AudioFormat(22050, 16, 1, true, false)); - short[] data = new short[22050/10]; - write(data, 0, data.length); - flush(); - close(); - } - catch (RuntimeException ex) - { - throw new JavaLayerException("Device test failed: "+ex); - } - - } -} -- cgit v1.2.3