| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.media; |
| |
| |
| /* IF YOU CHANGE ANY OF THE CONSTANTS IN THIS FILE, DO NOT FORGET |
| * TO UPDATE THE CORRESPONDING NATIVE GLUE AND AudioManager.java. |
| * THANK YOU FOR YOUR COOPERATION. |
| */ |
| |
| /** |
| * @hide |
| */ |
| public class AudioSystem |
| { |
| /* These values must be kept in sync with AudioSystem.h */ |
| /* |
| * If these are modified, please also update Settings.System.VOLUME_SETTINGS |
| * and attrs.xml and AudioManager.java. |
| */ |
| /* The audio stream for phone calls */ |
| public static final int STREAM_VOICE_CALL = 0; |
| /* The audio stream for system sounds */ |
| public static final int STREAM_SYSTEM = 1; |
| /* The audio stream for the phone ring and message alerts */ |
| public static final int STREAM_RING = 2; |
| /* The audio stream for music playback */ |
| public static final int STREAM_MUSIC = 3; |
| /* The audio stream for alarms */ |
| public static final int STREAM_ALARM = 4; |
| /* The audio stream for notifications */ |
| public static final int STREAM_NOTIFICATION = 5; |
| /* @hide The audio stream for phone calls when connected on bluetooth */ |
| public static final int STREAM_BLUETOOTH_SCO = 6; |
| /* @hide The audio stream for enforced system sounds in certain countries (e.g camera in Japan) */ |
| public static final int STREAM_SYSTEM_ENFORCED = 7; |
| /* @hide The audio stream for DTMF tones */ |
| public static final int STREAM_DTMF = 8; |
| /* @hide The audio stream for text to speech (TTS) */ |
| public static final int STREAM_TTS = 9; |
| /** |
| * @deprecated Use {@link #numStreamTypes() instead} |
| */ |
| public static final int NUM_STREAMS = 5; |
| |
| // Expose only the getter method publicly so we can change it in the future |
| private static final int NUM_STREAM_TYPES = 10; |
| public static final int getNumStreamTypes() { return NUM_STREAM_TYPES; } |
| |
| /* |
| * Sets the microphone mute on or off. |
| * |
| * @param on set <var>true</var> to mute the microphone; |
| * <var>false</var> to turn mute off |
| * @return command completion status see AUDIO_STATUS_OK, see AUDIO_STATUS_ERROR |
| */ |
| public static native int muteMicrophone(boolean on); |
| |
| /* |
| * Checks whether the microphone mute is on or off. |
| * |
| * @return true if microphone is muted, false if it's not |
| */ |
| public static native boolean isMicrophoneMuted(); |
| |
| /* modes for setPhoneState, must match AudioSystem.h audio_mode */ |
| public static final int MODE_INVALID = -2; |
| public static final int MODE_CURRENT = -1; |
| public static final int MODE_NORMAL = 0; |
| public static final int MODE_RINGTONE = 1; |
| public static final int MODE_IN_CALL = 2; |
| public static final int MODE_IN_COMMUNICATION = 3; |
| public static final int NUM_MODES = 4; |
| |
| |
| /* Routing bits for the former setRouting/getRouting API */ |
| /** @deprecated */ |
| @Deprecated public static final int ROUTE_EARPIECE = (1 << 0); |
| /** @deprecated */ |
| @Deprecated public static final int ROUTE_SPEAKER = (1 << 1); |
| /** @deprecated use {@link #ROUTE_BLUETOOTH_SCO} */ |
| @Deprecated public static final int ROUTE_BLUETOOTH = (1 << 2); |
| /** @deprecated */ |
| @Deprecated public static final int ROUTE_BLUETOOTH_SCO = (1 << 2); |
| /** @deprecated */ |
| @Deprecated public static final int ROUTE_HEADSET = (1 << 3); |
| /** @deprecated */ |
| @Deprecated public static final int ROUTE_BLUETOOTH_A2DP = (1 << 4); |
| /** @deprecated */ |
| @Deprecated public static final int ROUTE_ALL = 0xFFFFFFFF; |
| |
| /* |
| * Checks whether the specified stream type is active. |
| * |
| * return true if any track playing on this stream is active. |
| */ |
| public static native boolean isStreamActive(int stream, int inPastMs); |
| |
| /* |
| * Sets a group generic audio configuration parameters. The use of these parameters |
| * are platform dependent, see libaudio |
| * |
| * param keyValuePairs list of parameters key value pairs in the form: |
| * key1=value1;key2=value2;... |
| */ |
| public static native int setParameters(String keyValuePairs); |
| |
| /* |
| * Gets a group generic audio configuration parameters. The use of these parameters |
| * are platform dependent, see libaudio |
| * |
| * param keys list of parameters |
| * return value: list of parameters key value pairs in the form: |
| * key1=value1;key2=value2;... |
| */ |
| public static native String getParameters(String keys); |
| |
| // These match the enum AudioError in frameworks/base/core/jni/android_media_AudioSystem.cpp |
| /* Command sucessful or Media server restarted. see ErrorCallback */ |
| public static final int AUDIO_STATUS_OK = 0; |
| /* Command failed or unspecified audio error. see ErrorCallback */ |
| public static final int AUDIO_STATUS_ERROR = 1; |
| /* Media server died. see ErrorCallback */ |
| public static final int AUDIO_STATUS_SERVER_DIED = 100; |
| |
| private static ErrorCallback mErrorCallback; |
| |
| /* |
| * Handles the audio error callback. |
| */ |
| public interface ErrorCallback |
| { |
| /* |
| * Callback for audio server errors. |
| * param error error code: |
| * - AUDIO_STATUS_OK |
| * - AUDIO_STATUS_SERVER_DIED |
| * - AUDIO_STATUS_ERROR |
| */ |
| void onError(int error); |
| }; |
| |
| /* |
| * Registers a callback to be invoked when an error occurs. |
| * @param cb the callback to run |
| */ |
| public static void setErrorCallback(ErrorCallback cb) |
| { |
| synchronized (AudioSystem.class) { |
| mErrorCallback = cb; |
| } |
| // Calling a method on AudioFlinger here makes sure that we bind to IAudioFlinger |
| // binder interface death. Not doing that would result in not being notified of |
| // media_server process death if no other method is called on AudioSystem that reaches |
| // to AudioFlinger. |
| isMicrophoneMuted(); |
| } |
| |
| private static void errorCallbackFromNative(int error) |
| { |
| ErrorCallback errorCallback = null; |
| synchronized (AudioSystem.class) { |
| if (mErrorCallback != null) { |
| errorCallback = mErrorCallback; |
| } |
| } |
| if (errorCallback != null) { |
| errorCallback.onError(error); |
| } |
| } |
| |
| |
| /* |
| * AudioPolicyService methods |
| */ |
| |
| // output devices, be sure to update AudioManager.java also |
| public static final int DEVICE_OUT_EARPIECE = 0x1; |
| public static final int DEVICE_OUT_SPEAKER = 0x2; |
| public static final int DEVICE_OUT_WIRED_HEADSET = 0x4; |
| public static final int DEVICE_OUT_WIRED_HEADPHONE = 0x8; |
| public static final int DEVICE_OUT_BLUETOOTH_SCO = 0x10; |
| public static final int DEVICE_OUT_BLUETOOTH_SCO_HEADSET = 0x20; |
| public static final int DEVICE_OUT_BLUETOOTH_SCO_CARKIT = 0x40; |
| public static final int DEVICE_OUT_BLUETOOTH_A2DP = 0x80; |
| public static final int DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 0x100; |
| public static final int DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = 0x200; |
| public static final int DEVICE_OUT_AUX_DIGITAL = 0x400; |
| public static final int DEVICE_OUT_ANLG_DOCK_HEADSET = 0x800; |
| public static final int DEVICE_OUT_DGTL_DOCK_HEADSET = 0x1000; |
| public static final int DEVICE_OUT_DEFAULT = 0x8000; |
| public static final int DEVICE_OUT_ALL = (DEVICE_OUT_EARPIECE | |
| DEVICE_OUT_SPEAKER | |
| DEVICE_OUT_WIRED_HEADSET | |
| DEVICE_OUT_WIRED_HEADPHONE | |
| DEVICE_OUT_BLUETOOTH_SCO | |
| DEVICE_OUT_BLUETOOTH_SCO_HEADSET | |
| DEVICE_OUT_BLUETOOTH_SCO_CARKIT | |
| DEVICE_OUT_BLUETOOTH_A2DP | |
| DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | |
| DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER | |
| DEVICE_OUT_AUX_DIGITAL | |
| DEVICE_OUT_ANLG_DOCK_HEADSET | |
| DEVICE_OUT_DGTL_DOCK_HEADSET | |
| DEVICE_OUT_DEFAULT); |
| public static final int DEVICE_OUT_ALL_A2DP = (DEVICE_OUT_BLUETOOTH_A2DP | |
| DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES | |
| DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER); |
| // input devices |
| public static final int DEVICE_IN_COMMUNICATION = 0x10000; |
| public static final int DEVICE_IN_AMBIENT = 0x20000; |
| public static final int DEVICE_IN_BUILTIN_MIC1 = 0x40000; |
| public static final int DEVICE_IN_BUILTIN_MIC2 = 0x80000; |
| public static final int DEVICE_IN_MIC_ARRAY = 0x100000; |
| public static final int DEVICE_IN_BLUETOOTH_SCO_HEADSET = 0x200000; |
| public static final int DEVICE_IN_WIRED_HEADSET = 0x400000; |
| public static final int DEVICE_IN_AUX_DIGITAL = 0x800000; |
| public static final int DEVICE_IN_DEFAULT = 0x80000000; |
| |
| // device states, must match AudioSystem::device_connection_state |
| public static final int DEVICE_STATE_UNAVAILABLE = 0; |
| public static final int DEVICE_STATE_AVAILABLE = 1; |
| private static final int NUM_DEVICE_STATES = 1; |
| |
| public static final String DEVICE_OUT_EARPIECE_NAME = "earpiece"; |
| public static final String DEVICE_OUT_SPEAKER_NAME = "speaker"; |
| public static final String DEVICE_OUT_WIRED_HEADSET_NAME = "headset"; |
| public static final String DEVICE_OUT_WIRED_HEADPHONE_NAME = "headphone"; |
| public static final String DEVICE_OUT_BLUETOOTH_SCO_NAME = "bt_sco"; |
| public static final String DEVICE_OUT_BLUETOOTH_SCO_HEADSET_NAME = "bt_sco_hs"; |
| public static final String DEVICE_OUT_BLUETOOTH_SCO_CARKIT_NAME = "bt_sco_carkit"; |
| public static final String DEVICE_OUT_BLUETOOTH_A2DP_NAME = "bt_a2dp"; |
| public static final String DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES_NAME = "bt_a2dp_hp"; |
| public static final String DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER_NAME = "bt_a2dp_spk"; |
| public static final String DEVICE_OUT_AUX_DIGITAL_NAME = "aux_digital"; |
| public static final String DEVICE_OUT_ANLG_DOCK_HEADSET_NAME = "analog_dock"; |
| public static final String DEVICE_OUT_DGTL_DOCK_HEADSET_NAME = "digital_dock"; |
| |
| public static String getDeviceName(int device) |
| { |
| switch(device) { |
| case DEVICE_OUT_EARPIECE: |
| return DEVICE_OUT_EARPIECE_NAME; |
| case DEVICE_OUT_SPEAKER: |
| return DEVICE_OUT_SPEAKER_NAME; |
| case DEVICE_OUT_WIRED_HEADSET: |
| return DEVICE_OUT_WIRED_HEADSET_NAME; |
| case DEVICE_OUT_WIRED_HEADPHONE: |
| return DEVICE_OUT_WIRED_HEADPHONE_NAME; |
| case DEVICE_OUT_BLUETOOTH_SCO: |
| return DEVICE_OUT_BLUETOOTH_SCO_NAME; |
| case DEVICE_OUT_BLUETOOTH_SCO_HEADSET: |
| return DEVICE_OUT_BLUETOOTH_SCO_HEADSET_NAME; |
| case DEVICE_OUT_BLUETOOTH_SCO_CARKIT: |
| return DEVICE_OUT_BLUETOOTH_SCO_CARKIT_NAME; |
| case DEVICE_OUT_BLUETOOTH_A2DP: |
| return DEVICE_OUT_BLUETOOTH_A2DP_NAME; |
| case DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES: |
| return DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES_NAME; |
| case DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER: |
| return DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER_NAME; |
| case DEVICE_OUT_AUX_DIGITAL: |
| return DEVICE_OUT_AUX_DIGITAL_NAME; |
| case DEVICE_OUT_ANLG_DOCK_HEADSET: |
| return DEVICE_OUT_ANLG_DOCK_HEADSET_NAME; |
| case DEVICE_OUT_DGTL_DOCK_HEADSET: |
| return DEVICE_OUT_DGTL_DOCK_HEADSET_NAME; |
| case DEVICE_IN_DEFAULT: |
| default: |
| return ""; |
| } |
| } |
| |
| // phone state, match audio_mode??? |
| public static final int PHONE_STATE_OFFCALL = 0; |
| public static final int PHONE_STATE_RINGING = 1; |
| public static final int PHONE_STATE_INCALL = 2; |
| |
| // device categories config for setForceUse, must match AudioSystem::forced_config |
| public static final int FORCE_NONE = 0; |
| public static final int FORCE_SPEAKER = 1; |
| public static final int FORCE_HEADPHONES = 2; |
| public static final int FORCE_BT_SCO = 3; |
| public static final int FORCE_BT_A2DP = 4; |
| public static final int FORCE_WIRED_ACCESSORY = 5; |
| public static final int FORCE_BT_CAR_DOCK = 6; |
| public static final int FORCE_BT_DESK_DOCK = 7; |
| public static final int FORCE_ANALOG_DOCK = 8; |
| public static final int FORCE_DIGITAL_DOCK = 9; |
| private static final int NUM_FORCE_CONFIG = 10; |
| public static final int FORCE_DEFAULT = FORCE_NONE; |
| |
| // usage for setForceUse, must match AudioSystem::force_use |
| public static final int FOR_COMMUNICATION = 0; |
| public static final int FOR_MEDIA = 1; |
| public static final int FOR_RECORD = 2; |
| public static final int FOR_DOCK = 3; |
| private static final int NUM_FORCE_USE = 4; |
| |
| public static native int setDeviceConnectionState(int device, int state, String device_address); |
| public static native int getDeviceConnectionState(int device, String device_address); |
| public static native int setPhoneState(int state); |
| public static native int setForceUse(int usage, int config); |
| public static native int getForceUse(int usage); |
| public static native int initStreamVolume(int stream, int indexMin, int indexMax); |
| public static native int setStreamVolumeIndex(int stream, int index, int device); |
| public static native int getStreamVolumeIndex(int stream, int device); |
| public static native int setMasterVolume(float value); |
| public static native float getMasterVolume(); |
| public static native int setMasterMute(boolean mute); |
| public static native boolean getMasterMute(); |
| public static native int getDevicesForStream(int stream); |
| } |
