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- Added Stasis.
- Added JLayer libraries.
This commit is contained in:
141
src/javazoom/jl/converter/WaveFileObuffer.java
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141
src/javazoom/jl/converter/WaveFileObuffer.java
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/*
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* 11/19/04 1.0 moved to LGPL.
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*
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* 12/12/99 0.0.7 Renamed class, additional constructor arguments
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* and larger write buffers. mdm@techie.com.
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*
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* 15/02/99 Java Conversion by E.B ,javalayer@javazoom.net
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*
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*-----------------------------------------------------------------------
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as published
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* by the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*----------------------------------------------------------------------
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*/
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package javazoom.jl.converter;
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import javazoom.jl.decoder.Obuffer;
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/**
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* Implements an Obuffer by writing the data to
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* a file in RIFF WAVE format.
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*
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* @since 0.0
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*/
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public class WaveFileObuffer extends Obuffer
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{
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private short[] buffer;
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private short[] bufferp;
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private int channels;
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private WaveFile outWave;
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/**
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* Creates a new WareFileObuffer instance.
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*
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* @param number_of_channels
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* The number of channels of audio data
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* this buffer will receive.
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*
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* @param freq The sample frequency of the samples in the buffer.
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*
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* @param fileName The filename to write the data to.
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*/
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public WaveFileObuffer(int number_of_channels, int freq, String FileName)
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{
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if (FileName==null)
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throw new NullPointerException("FileName");
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buffer = new short[OBUFFERSIZE];
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bufferp = new short[MAXCHANNELS];
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channels = number_of_channels;
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for (int i = 0; i < number_of_channels; ++i)
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bufferp[i] = (short)i;
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outWave = new WaveFile();
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int rc = outWave.OpenForWrite (FileName,freq,(short)16,(short)channels);
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}
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/**
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* Takes a 16 Bit PCM sample.
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*/
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public void append(int channel, short value)
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{
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buffer[bufferp[channel]] = value;
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bufferp[channel] += channels;
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}
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/**
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* Write the samples to the file (Random Acces).
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*/
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short[] myBuffer = new short[2];
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public void write_buffer(int val)
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{
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int k = 0;
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int rc = 0;
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rc = outWave.WriteData(buffer, bufferp[0]);
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// REVIEW: handle RiffFile errors.
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/*
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for (int j=0;j<bufferp[0];j=j+2)
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{
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//myBuffer[0] = (short)(((buffer[j]>>8)&0x000000FF) | ((buffer[j]<<8)&0x0000FF00));
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//myBuffer[1] = (short) (((buffer[j+1]>>8)&0x000000FF) | ((buffer[j+1]<<8)&0x0000FF00));
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myBuffer[0] = buffer[j];
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myBuffer[1] = buffer[j+1];
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rc = outWave.WriteData (myBuffer,2);
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}
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*/
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for (int i = 0; i < channels; ++i) bufferp[i] = (short)i;
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}
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public void close()
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{
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outWave.Close();
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}
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/**
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*
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*/
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public void clear_buffer()
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{}
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/**
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*
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*/
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public void set_stop_flag()
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{}
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/*
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* Create STDOUT buffer
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*
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*
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public static Obuffer create_stdout_obuffer(MPEG_Args maplay_args)
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{
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Obuffer thebuffer = null;
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int mode = maplay_args.MPEGheader.mode();
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int which_channels = maplay_args.which_c;
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if (mode == Header.single_channel || which_channels != MPEG_Args.both)
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thebuffer = new FileObuffer(1,maplay_args.output_filename);
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else
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thebuffer = new FileObuffer(2,maplay_args.output_filename);
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return(thebuffer);
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}
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*/
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}
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