85 lines
2.2 KiB
Java
85 lines
2.2 KiB
Java
/*
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* Copyright (C) 2021 pedroSG94.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.pedro.encoder.input.audio;
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import android.os.HandlerThread;
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import android.util.Log;
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import com.pedro.encoder.Frame;
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import com.pedro.encoder.GetFrame;
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import java.nio.ByteBuffer;
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/**
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* Similar to MicrophoneManager but samples are not read automatically.
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* The owner must manually call read(...) as often as samples are needed.
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*/
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public class MicrophoneManagerManual extends MicrophoneManager implements GetFrame {
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private final String TAG = "MicMM";
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public MicrophoneManagerManual() {
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super(null);
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}
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/**
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* Start record and get data
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*/
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@Override
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public synchronized void start() {
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init();
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}
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private void init() {
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if (audioRecord != null) {
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audioRecord.startRecording();
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running = true;
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Log.i(TAG, "Microphone started");
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} else {
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Log.e(TAG, "Error starting, microphone was stopped or not created, "
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+ "use createMicrophone() before start()");
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}
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}
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/**
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* Call when you need mic samples.
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* This method will block until numBytes worth of samples are ready.
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*/
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public int read(ByteBuffer directBuffer, int numBytes) {
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directBuffer.rewind();
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// write to the buffer and return number of bytes written.
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return audioRecord.read(directBuffer, numBytes);
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}
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/**
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* Stop and release microphone
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*/
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public synchronized void stop() {
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// handlerThread must not be null, else the stop impl will throw
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handlerThread = new HandlerThread("nothing");
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super.stop();
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}
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public GetFrame getGetFrame() {
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return this;
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}
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@Override
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public Frame getInputFrame() {
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return read();
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}
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}
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