85 lines
3.3 KiB
Java
85 lines
3.3 KiB
Java
/*
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* Copyright (C) 2015 The CyanogenMod Project
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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 cyanogenmod.media;
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public class MediaRecorder {
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/**
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* Allows an application to listen passively to the device microphone in the background
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* to detect speech of a hotword or phrase.
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*
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* This is a system|signature permission.
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*/
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public static final String CAPTURE_AUDIO_HOTWORD_PERMISSION
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= "android.permission.CAPTURE_AUDIO_HOTWORD";
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/**
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* <p>Broadcast Action: The state of the HOTWORD audio input has changed.:</p>
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* <ul>
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* <li><em>state</em> - A String value indicating the state of the input.
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* {@link #EXTRA_HOTWORD_INPUT_STATE}. The value will be one of:
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* {@link android.media.AudioRecord#RECORDSTATE_RECORDING} or
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* {@link android.media.AudioRecord#RECORDSTATE_STOPPED}.
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* </li>
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* <li><em>package</em> - A String value indicating the package name of the application
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* that currently holds the HOTWORD input.
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* {@link #EXTRA_CURRENT_PACKAGE_NAME}
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* </li>
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* </ul>
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*
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* <p class="note">This is a protected intent that can only be sent
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* by the system. It can only be received by packages that hold
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* {@link android.Manifest.permission#CAPTURE_AUDIO_HOTWORD}.
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*/
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//@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
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public static final String ACTION_HOTWORD_INPUT_CHANGED
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= "com.cyanogenmod.intent.action.HOTWORD_INPUT_CHANGED";
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/**
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* Extra for {@link #ACTION_HOTWORD_INPUT_CHANGED} that provides the package name of the
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* app in that controlled the HOTWORD input when the state changed. Can be reused for other
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* purposes.
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*/
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public static final String EXTRA_CURRENT_PACKAGE_NAME =
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"com.cyanogenmod.intent.extra.CURRENT_PACKAGE_NAME";
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/**
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* Extra for {@link #ACTION_HOTWORD_INPUT_CHANGED} that provides the state of
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* the input when the broadcast action was sent.
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* @hide
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*/
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public static final String EXTRA_HOTWORD_INPUT_STATE =
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"com.cyanogenmod.intent.extra.HOTWORD_INPUT_STATE";
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public static class AudioSource {
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/**
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* Audio source for preemptible, low-priority software hotword detection
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* It presents the same gain and pre processing tuning as
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* {@link android.media.MediaRecorder.AudioSource#VOICE_RECOGNITION}.
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* <p>
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* An application should use this audio source when it wishes to do
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* always-on software hotword detection, while gracefully giving in to any other application
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* that might want to read from the microphone.
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* </p>
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* You must hold {@link cyanogenmod.media.MediaRecorder#CAPTURE_AUDIO_HOTWORD_PERMISSION}
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* to use this audio source.
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*/
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public static final int HOTWORD = 1999;
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}
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}
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