Move AudioDevice* from android.media -> a.m.audio.common SAIDL

Also add missing "@hide" on a few interfaces

Bug: 198812639
Test: m
Change-Id: Ie5205571e17300008a1c80ef4dbe50c0a248ba6b
diff --git a/media/Android.bp b/media/Android.bp
index 7592c15..25cf75c 100644
--- a/media/Android.bp
+++ b/media/Android.bp
@@ -56,6 +56,9 @@
         "aidl/android/media/audio/common/AudioConfig.aidl",
         "aidl/android/media/audio/common/AudioConfigBase.aidl",
         "aidl/android/media/audio/common/AudioContentType.aidl",
+        "aidl/android/media/audio/common/AudioDevice.aidl",
+        "aidl/android/media/audio/common/AudioDeviceDescription.aidl",
+        "aidl/android/media/audio/common/AudioDeviceType.aidl",
         "aidl/android/media/audio/common/AudioEncapsulationMetadataType.aidl",
         "aidl/android/media/audio/common/AudioEncapsulationMode.aidl",
         "aidl/android/media/audio/common/AudioEncapsulationType.aidl",
diff --git a/media/aidl/android/media/audio/common/AudioDevice.aidl b/media/aidl/android/media/audio/common/AudioDevice.aidl
new file mode 100644
index 0000000..14c0eab
--- /dev/null
+++ b/media/aidl/android/media/audio/common/AudioDevice.aidl
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2020 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.audio.common;
+
+import android.media.audio.common.AudioDeviceDescription;
+
+/**
+ * Represents a concrete audio device by bundling together the device type and
+ * the device address.
+ *
+ * {@hide}
+ */
+@JavaDerive(equals=true, toString=true)
+@VintfStability
+parcelable AudioDevice {
+    AudioDeviceDescription type;
+    @utf8InCpp String address;
+}
diff --git a/media/aidl/android/media/audio/common/AudioDeviceDescription.aidl b/media/aidl/android/media/audio/common/AudioDeviceDescription.aidl
new file mode 100644
index 0000000..4e8a735
--- /dev/null
+++ b/media/aidl/android/media/audio/common/AudioDeviceDescription.aidl
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2021 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.audio.common;
+
+import android.media.audio.common.AudioDeviceType;
+
+/**
+ * Describes the kind of an audio device.
+ *
+ * {@hide}
+ */
+@JavaDerive(equals=true, toString=true)
+@VintfStability
+parcelable AudioDeviceDescription {
+    /**
+     * Type and directionality of the device. For bidirectional audio devices
+     * two descriptions need to be created, having the same value for
+     * the 'connection' field.
+     *
+     * See 'AudioDeviceType' for the list of supported values.
+     */
+    AudioDeviceType type = AudioDeviceType.NONE;
+    /**
+     * Specifies the type of the connection of the device to the audio system.
+     * Usually it's some kind of a communication protocol, e.g. Bluetooth SCO or
+     * USB. There is a list of connection types recognized by the framework,
+     * defined using 'CONNECTION_' constants. Vendors can add their own
+     * connection types with "vx.<vendor>." prefix.
+     *
+     * When the 'connection' field is left empty and 'type != NONE | DEFAULT',
+     * it is assumed that the device is permanently attached to the audio
+     * system, e.g. a built-in speaker or microphone.
+     *
+     * The 'connection' field must be left empty if 'type' is 'NONE' or
+     * '{IN|OUT}_DEFAULT'.
+     */
+    @utf8InCpp String connection;
+    /**
+     * Analog connection, for example, via 3.5 mm analog jack.
+     */
+    const @utf8InCpp String CONNECTION_ANALOG = "analog";
+    /**
+     * Low-End (Analog) Desk Dock.
+     */
+    const @utf8InCpp String CONNECTION_ANALOG_DOCK = "analog-dock";
+    /**
+     * Bluetooth A2DP connection.
+     */
+    const @utf8InCpp String CONNECTION_BT_A2DP = "bt-a2dp";
+    /**
+     * Bluetooth Low Energy (LE) connection.
+     */
+    const @utf8InCpp String CONNECTION_BT_LE = "bt-le";
+    /**
+     * Bluetooth SCO connection.
+     */
+    const @utf8InCpp String CONNECTION_BT_SCO = "bt-sco";
+    /**
+     * Bus connection. Mostly used in automotive scenarios.
+     */
+    const @utf8InCpp String CONNECTION_BUS = "bus";
+    /**
+     * High-End (Digital) Desk Dock.
+     */
+    const @utf8InCpp String CONNECTION_DIGITAL_DOCK = "digital-dock";
+    /**
+     * HDMI connection.
+     */
+    const @utf8InCpp String CONNECTION_HDMI = "hdmi";
+    /**
+     * HDMI ARC connection.
+     */
+    const @utf8InCpp String CONNECTION_HDMI_ARC = "hdmi-arc";
+    /**
+     * HDMI eARC connection.
+     */
+    const @utf8InCpp String CONNECTION_HDMI_EARC = "hdmi-earc";
+    /**
+     * IP v4 connection.
+     */
+    const @utf8InCpp String CONNECTION_IP_V4 = "ip-v4";
+    /**
+     * SPDIF connection.
+     */
+    const @utf8InCpp String CONNECTION_SPDIF = "spdif";
+    /**
+     * A wireless connection when the actual protocol is unspecified.
+     */
+    const @utf8InCpp String CONNECTION_WIRELESS = "wireless";
+    /**
+     * USB connection.
+     */
+    const @utf8InCpp String CONNECTION_USB = "usb";
+}
diff --git a/media/aidl/android/media/audio/common/AudioDeviceType.aidl b/media/aidl/android/media/audio/common/AudioDeviceType.aidl
new file mode 100644
index 0000000..95dbe2a
--- /dev/null
+++ b/media/aidl/android/media/audio/common/AudioDeviceType.aidl
@@ -0,0 +1,161 @@
+/*
+ * Copyright (C) 2021 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.audio.common;
+
+/**
+ * The type of the audio device. Only used as part of 'AudioDeviceDescription'
+ * structure.
+ *
+ * Types are divided into "input" and "output" categories. Audio devices that
+ * have both audio input and output, for example, headsets, are represented by a
+ * pair of input and output device types.
+ *
+ * The 'AudioDeviceType' intentionally binds together directionality and 'kind'
+ * of the device to avoid making them fully orthogonal. This is because not all
+ * types of devices are bidirectional, for example, speakers can only be used
+ * for output and microphones can only be used for input (at least, in the
+ * context of the audio framework).
+ *
+ * {@hide}
+ */
+@VintfStability
+@Backing(type="int")
+enum AudioDeviceType {
+    /**
+     * "None" type is a "null" value. All fields of 'AudioDeviceDescription'
+     * must have default / empty / null values.
+     */
+    NONE = 0,
+    /**
+     * The "default" device is used when the client does not have any
+     * preference for a particular device.
+     */
+    IN_DEFAULT = 1,
+    /**
+     * A device implementing Android Open Accessory protocol.
+     */
+    IN_ACCESSORY = 2,
+    /**
+     * Input from a DSP front-end proxy device.
+     */
+    IN_AFE_PROXY = 3,
+    /**
+     * Used when only the connection protocol is known, e.g. a "HDMI Device."
+     */
+    IN_DEVICE = 4,
+    /**
+     * A device providing reference input for echo canceller.
+     */
+    IN_ECHO_REFERENCE = 5,
+    /**
+     * FM Tuner input.
+     */
+    IN_FM_TUNER = 6,
+    /**
+     * A microphone of a headset.
+     */
+    IN_HEADSET = 7,
+    /**
+     * Loopback input.
+     */
+    IN_LOOPBACK = 8,
+    /**
+     * The main microphone (the frontal mic on mobile devices).
+     */
+    IN_MICROPHONE = 9,
+    /**
+     * The secondary microphone (the back mic on mobile devices).
+     */
+    IN_MICROPHONE_BACK = 10,
+    /**
+     * Input from a submix of other streams.
+     */
+    IN_SUBMIX = 11,
+    /**
+     * Audio received via the telephone line.
+     */
+    IN_TELEPHONY_RX = 12,
+    /**
+     * TV Tuner audio input.
+     */
+    IN_TV_TUNER = 13,
+    /**
+     * The "default" device is used when the client does not have any
+     * preference for a particular device.
+     */
+    OUT_DEFAULT = 129,
+    /**
+     * A device implementing Android Open Accessory protocol.
+     */
+    OUT_ACCESSORY = 130,
+    /**
+     * Output from a DSP front-end proxy device.
+     */
+    OUT_AFE_PROXY = 131,
+    /**
+     * Car audio system.
+     */
+    OUT_CARKIT = 132,
+    /**
+     * Used when only the connection protocol is known, e.g. a "HDMI Device."
+     */
+    OUT_DEVICE = 133,
+    /**
+     * The echo canceller device.
+     */
+    OUT_ECHO_CANCELLER = 134,
+    /**
+     * The FM Tuner device.
+     */
+    OUT_FM = 135,
+    /**
+     * Headphones.
+     */
+    OUT_HEADPHONE = 136,
+    /**
+     * Headphones of a headset.
+     */
+    OUT_HEADSET = 137,
+    /**
+     * Hearing aid.
+     */
+    OUT_HEARING_AID = 138,
+    /**
+     * Secondary line level output.
+     */
+    OUT_LINE_AUX = 139,
+    /**
+     * The main speaker.
+     */
+    OUT_SPEAKER = 140,
+    /**
+     * The speaker of a mobile device in the case when it is close to the ear.
+     */
+    OUT_SPEAKER_EARPIECE = 141,
+    /**
+     * The main speaker with overload / overheating protection.
+     */
+    OUT_SPEAKER_SAFE = 142,
+    /**
+     * Output into a submix.
+     */
+    OUT_SUBMIX = 143,
+    /**
+     * Output into a telephone line.
+     */
+    OUT_TELEPHONY_TX = 144,
+}
diff --git a/media/aidl/android/media/audio/common/AudioFormatType.aidl b/media/aidl/android/media/audio/common/AudioFormatType.aidl
index 1759401..ea78c7a 100644
--- a/media/aidl/android/media/audio/common/AudioFormatType.aidl
+++ b/media/aidl/android/media/audio/common/AudioFormatType.aidl
@@ -19,6 +19,8 @@
 /**
  * The type of the audio format. Only used as part of 'AudioFormatDescription'
  * structure.
+ *
+ * {@hide}
  */
 @VintfStability
 @Backing(type="byte")
diff --git a/media/aidl/android/media/audio/common/PcmType.aidl b/media/aidl/android/media/audio/common/PcmType.aidl
index db77769..6e07d9b 100644
--- a/media/aidl/android/media/audio/common/PcmType.aidl
+++ b/media/aidl/android/media/audio/common/PcmType.aidl
@@ -19,6 +19,8 @@
 /**
  * The type of the encoding used for representing PCM samples. Only used as
  * part of 'AudioFormatDescription' structure.
+ *
+ * {@hide}
  */
 @VintfStability
 @Backing(type="byte")
diff --git a/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioDevice.aidl b/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioDevice.aidl
new file mode 100644
index 0000000..541c423
--- /dev/null
+++ b/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioDevice.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.media.audio.common;
+/* @hide */
+@JavaDerive(equals=true, toString=true) @VintfStability
+parcelable AudioDevice {
+  android.media.audio.common.AudioDeviceDescription type;
+  @utf8InCpp String address;
+}
diff --git a/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioDeviceDescription.aidl b/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioDeviceDescription.aidl
new file mode 100644
index 0000000..b4d71d7
--- /dev/null
+++ b/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioDeviceDescription.aidl
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.media.audio.common;
+/* @hide */
+@JavaDerive(equals=true, toString=true) @VintfStability
+parcelable AudioDeviceDescription {
+  android.media.audio.common.AudioDeviceType type = android.media.audio.common.AudioDeviceType.NONE;
+  @utf8InCpp String connection;
+  const @utf8InCpp String CONNECTION_ANALOG = "analog";
+  const @utf8InCpp String CONNECTION_ANALOG_DOCK = "analog-dock";
+  const @utf8InCpp String CONNECTION_BT_A2DP = "bt-a2dp";
+  const @utf8InCpp String CONNECTION_BT_LE = "bt-le";
+  const @utf8InCpp String CONNECTION_BT_SCO = "bt-sco";
+  const @utf8InCpp String CONNECTION_BUS = "bus";
+  const @utf8InCpp String CONNECTION_DIGITAL_DOCK = "digital-dock";
+  const @utf8InCpp String CONNECTION_HDMI = "hdmi";
+  const @utf8InCpp String CONNECTION_HDMI_ARC = "hdmi-arc";
+  const @utf8InCpp String CONNECTION_HDMI_EARC = "hdmi-earc";
+  const @utf8InCpp String CONNECTION_IP_V4 = "ip-v4";
+  const @utf8InCpp String CONNECTION_SPDIF = "spdif";
+  const @utf8InCpp String CONNECTION_WIRELESS = "wireless";
+  const @utf8InCpp String CONNECTION_USB = "usb";
+}
diff --git a/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioDeviceType.aidl b/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioDeviceType.aidl
new file mode 100644
index 0000000..ffdb778
--- /dev/null
+++ b/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioDeviceType.aidl
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2021 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.media.audio.common;
+/* @hide */
+@Backing(type="int") @VintfStability
+enum AudioDeviceType {
+  NONE = 0,
+  IN_DEFAULT = 1,
+  IN_ACCESSORY = 2,
+  IN_AFE_PROXY = 3,
+  IN_DEVICE = 4,
+  IN_ECHO_REFERENCE = 5,
+  IN_FM_TUNER = 6,
+  IN_HEADSET = 7,
+  IN_LOOPBACK = 8,
+  IN_MICROPHONE = 9,
+  IN_MICROPHONE_BACK = 10,
+  IN_SUBMIX = 11,
+  IN_TELEPHONY_RX = 12,
+  IN_TV_TUNER = 13,
+  OUT_DEFAULT = 129,
+  OUT_ACCESSORY = 130,
+  OUT_AFE_PROXY = 131,
+  OUT_CARKIT = 132,
+  OUT_DEVICE = 133,
+  OUT_ECHO_CANCELLER = 134,
+  OUT_FM = 135,
+  OUT_HEADPHONE = 136,
+  OUT_HEADSET = 137,
+  OUT_HEARING_AID = 138,
+  OUT_LINE_AUX = 139,
+  OUT_SPEAKER = 140,
+  OUT_SPEAKER_EARPIECE = 141,
+  OUT_SPEAKER_SAFE = 142,
+  OUT_SUBMIX = 143,
+  OUT_TELEPHONY_TX = 144,
+}
diff --git a/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioFormatType.aidl b/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioFormatType.aidl
index b94c850..7f55abe 100644
--- a/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioFormatType.aidl
+++ b/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/AudioFormatType.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.media.audio.common;
+/* @hide */
 @Backing(type="byte") @VintfStability
 enum AudioFormatType {
   DEFAULT = 0,
diff --git a/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/PcmType.aidl b/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/PcmType.aidl
index 42c4679..79bfa62 100644
--- a/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/PcmType.aidl
+++ b/media/aidl_api/android.media.audio.common.types/current/android/media/audio/common/PcmType.aidl
@@ -32,6 +32,7 @@
 // later when a module using the interface is updated, e.g., Mainline modules.
 
 package android.media.audio.common;
+/* @hide */
 @Backing(type="byte") @VintfStability
 enum PcmType {
   DEFAULT = 0,