Check correct buffer size for your AudioRecord instance - Android Media

Android examples for Media:Audio

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Description

Check correct buffer size for your AudioRecord instance

Demo Code


//package com.java2s;
import android.media.AudioRecord;

public class Main {
    /**/*w w w.  j a v  a 2 s .c o  m*/
     * Check correct buffer size for your AudioRecord instance
     *
     * @param audioSource
     *     the audio source
     * @param fs
     *     the fs
     * @param channelConfiguration
     *     the channel configuration
     * @param audioEncoding
     *     the audio encoding
     * @return the int
     */
    public static int checkCorrectBufferSize(int audioSource, int fs,
            int channelConfiguration, int audioEncoding) {
        for (int buffer : new int[] { 256, 512, 1024, 2048, 4096 }) { // add the rates you wish to check against
            AudioRecord audioRecordTemp = new AudioRecord(audioSource, fs,
                    channelConfiguration, audioEncoding, buffer);
            if (audioRecordTemp != null
                    && audioRecordTemp.getState() == AudioRecord.STATE_INITIALIZED) {
                return buffer;
            }
        }
        return 0;
    }
}

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