Mercurial > audio-send

     1 package com.aurellem.send;

     2 

     3 import java.nio.ByteBuffer;

     4 

     5 import javax.sound.sampled.AudioFormat;

     6 

     7 public class AudioSend {

     8 

     9     private final long deviceID;

    10 	

    11     public AudioSend(long deviceID){

    12 	this.deviceID = deviceID;

    13     }

    14 	

    15     /** This establishes the LWJGL context as the context which

    16      *  will be copies to all other contexts.  It must be called

    17      *  before any calls to <code>addListener();</code>

    18      */

    19     public void initDevice(){

    20 	ninitDevice(this.deviceID);}

    21     public static native void ninitDevice(long device);

    22 	

    23     /**

    24      * The send device does not automatically process sound.  This

    25      * step function will cause the desired number of samples to

    26      * be processed for each listener.  The results will then be

    27      * available via calls to <code>getSamples()</code> for each

    28      * listener.

    29      * @param samples

    30      */

    31     public void step(int samples){

    32 	nstep(this.deviceID, samples);}

    33     public static native void nstep(long device, int samples);

    34 

    35     /**

    36      * Retrieve the final rendered sound for a particular

    37      * listener.  <code>contextNum == 0</code> is the main LWJGL

    38      * context.

    39      * @param buffer

    40      * @param samples

    41      * @param contextNum

    42      */

    43     public void getSamples(ByteBuffer buffer, 

    44 			   int samples, int contextNum){

    45 	ngetSamples(this.deviceID, buffer, 

    46 		    buffer.position(), samples, contextNum);}

    47     public static native void 

    48 	ngetSamples(long device, ByteBuffer buffer, 

    49 		    int position, int samples, int contextNum);

    50 	

    51     /**

    52      * Create an additional listener on the recorder device.  The

    53      * device itself will manage this listener and synchronize it

    54      * with the main LWJGL context. Processed sound samples for

    55      * this listener will be available via a call to

    56      * <code>getSamples()</code> with <code>contextNum</code>

    57      * equal to the number of times this method has been called.

    58      */

    59     public void addListener(){naddListener(this.deviceID);}

    60     public static native void naddListener(long device);

    61 	

    62     /**

    63      * This will internally call <code>alListener3f<code> in the

    64      * appropriate slave context and update that context's

    65      * listener's parameters. Calling this for a number greater

    66      * than the current number of slave contexts will have no

    67      * effect.

    68      * @param pname

    69      * @param v1

    70      * @param v2

    71      * @param v3

    72      * @param contextNum

    73      */

    74     public void 

    75 	setNthListener3f(int pname, float v1, 

    76 			 float v2, float v3, int contextNum){

    77 	nsetNthListener3f(pname, v1, v2, v3, 

    78 			  this.deviceID, contextNum);}

    79     public static native void 

    80 	nsetNthListener3f(int pname, float v1, float v2, 

    81 			  float v3, long device, int contextNum);

    82     

    83     /**

    84      * This will internally call <code>alListenerf<code> in the

    85      * appropriate slave context and update that context's

    86      * listener's parameters. Calling this for a number greater

    87      * than the current number of slave contexts will have no

    88      * effect.

    89      * @param pname

    90      * @param v1

    91      * @param contextNum

    92      */

    93     public void setNthListenerf(int pname, float v1, int contextNum){

    94 	nsetNthListenerf(pname, v1, this.deviceID, contextNum);}

    95     public static native void 

    96 	nsetNthListenerf(int pname, float v1, 

    97 			 long device, int contextNum);

    98 		

    99     /**

   100      * Retrieve the AudioFormat which the device is using.  This

   101      * format is itself derived from the OpenAL config file under

   102      * the "format" variable.

   103      */

   104     public AudioFormat getAudioFormat(){

   105 	return ngetAudioFormat(this.deviceID);}

   106     public static native AudioFormat ngetAudioFormat(long device);	

   107 }
author	Robert McIntyre <rlm@mit.edu>
date	Thu, 03 Nov 2011 14:54:45 -0700
parents	92b416b4e027
children