Move audio includes to system/media/audio
Change-Id: I21bed541dbd81127e6b8340f7f14b5523f7c5c0d
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Rom Lemarchand
Rom Lemarchand
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/*
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* Copyright (C) 2011 The Android Open Source 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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#ifndef ANDROID_AUDIO_POLICY_CORE_H
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#define ANDROID_AUDIO_POLICY_CORE_H
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#include <stdint.h>
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <cutils/bitops.h>
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__BEGIN_DECLS
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/* The enums were moved here mostly from
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* frameworks/base/include/media/AudioSystem.h
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*/
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/* device categories used for audio_policy->set_force_use() */
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typedef enum {
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AUDIO_POLICY_FORCE_NONE,
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AUDIO_POLICY_FORCE_SPEAKER,
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AUDIO_POLICY_FORCE_HEADPHONES,
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AUDIO_POLICY_FORCE_BT_SCO,
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AUDIO_POLICY_FORCE_BT_A2DP,
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AUDIO_POLICY_FORCE_WIRED_ACCESSORY,
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AUDIO_POLICY_FORCE_BT_CAR_DOCK,
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AUDIO_POLICY_FORCE_BT_DESK_DOCK,
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AUDIO_POLICY_FORCE_ANALOG_DOCK,
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AUDIO_POLICY_FORCE_DIGITAL_DOCK,
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AUDIO_POLICY_FORCE_NO_BT_A2DP, /* A2DP sink is not preferred to speaker or wired HS */
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AUDIO_POLICY_FORCE_SYSTEM_ENFORCED,
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AUDIO_POLICY_FORCE_HDMI_SYSTEM_AUDIO_ENFORCED,
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AUDIO_POLICY_FORCE_CFG_CNT,
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AUDIO_POLICY_FORCE_CFG_MAX = AUDIO_POLICY_FORCE_CFG_CNT - 1,
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AUDIO_POLICY_FORCE_DEFAULT = AUDIO_POLICY_FORCE_NONE,
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} audio_policy_forced_cfg_t;
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/* usages used for audio_policy->set_force_use() */
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typedef enum {
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AUDIO_POLICY_FORCE_FOR_COMMUNICATION,
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AUDIO_POLICY_FORCE_FOR_MEDIA,
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AUDIO_POLICY_FORCE_FOR_RECORD,
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AUDIO_POLICY_FORCE_FOR_DOCK,
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AUDIO_POLICY_FORCE_FOR_SYSTEM,
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AUDIO_POLICY_FORCE_FOR_HDMI_SYSTEM_AUDIO,
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AUDIO_POLICY_FORCE_USE_CNT,
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AUDIO_POLICY_FORCE_USE_MAX = AUDIO_POLICY_FORCE_USE_CNT - 1,
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} audio_policy_force_use_t;
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/* device connection states used for audio_policy->set_device_connection_state()
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*/
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typedef enum {
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AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE,
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AUDIO_POLICY_DEVICE_STATE_AVAILABLE,
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AUDIO_POLICY_DEVICE_STATE_CNT,
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AUDIO_POLICY_DEVICE_STATE_MAX = AUDIO_POLICY_DEVICE_STATE_CNT - 1,
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} audio_policy_dev_state_t;
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typedef enum {
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/* Used to generate a tone to notify the user of a
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* notification/alarm/ringtone while they are in a call. */
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AUDIO_POLICY_TONE_IN_CALL_NOTIFICATION = 0,
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AUDIO_POLICY_TONE_CNT,
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AUDIO_POLICY_TONE_MAX = AUDIO_POLICY_TONE_CNT - 1,
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} audio_policy_tone_t;
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static inline bool audio_is_low_visibility(audio_stream_type_t stream)
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{
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switch (stream) {
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case AUDIO_STREAM_SYSTEM:
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case AUDIO_STREAM_NOTIFICATION:
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case AUDIO_STREAM_RING:
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return true;
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default:
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return false;
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}
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}
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__END_DECLS
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#endif // ANDROID_AUDIO_POLICY_CORE_H
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/*
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* Copyright (C) 2014 The Android Open Source 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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#ifndef ANDROID_SOUND_TRIGGER_H
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#define ANDROID_SOUND_TRIGGER_H
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#include <stdbool.h>
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#include <system/audio.h>
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#define SOUND_TRIGGER_MAX_STRING_LEN 64 /* max length of strings in properties or
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descriptor structs */
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#define SOUND_TRIGGER_MAX_LOCALE_LEN 6 /* max length of locale string. e.g en_US */
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#define SOUND_TRIGGER_MAX_USERS 10 /* max number of concurrent users */
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#define SOUND_TRIGGER_MAX_PHRASES 10 /* max number of concurrent phrases */
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typedef enum {
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SOUND_TRIGGER_STATE_NO_INIT = -1, /* The sound trigger service is not initialized */
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SOUND_TRIGGER_STATE_ENABLED = 0, /* The sound trigger service is enabled */
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SOUND_TRIGGER_STATE_DISABLED = 1 /* The sound trigger service is disabled */
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} sound_trigger_service_state_t;
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#define RECOGNITION_MODE_VOICE_TRIGGER 0x1 /* simple voice trigger */
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#define RECOGNITION_MODE_USER_IDENTIFICATION 0x2 /* trigger only if one user in model identified */
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#define RECOGNITION_MODE_USER_AUTHENTICATION 0x4 /* trigger only if one user in mode
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authenticated */
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#define RECOGNITION_STATUS_SUCCESS 0
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#define RECOGNITION_STATUS_ABORT 1
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#define RECOGNITION_STATUS_FAILURE 2
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#define SOUND_MODEL_STATUS_UPDATED 0
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typedef enum {
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SOUND_MODEL_TYPE_UNKNOWN = -1, /* use for unspecified sound model type */
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SOUND_MODEL_TYPE_KEYPHRASE = 0 /* use for key phrase sound models */
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} sound_trigger_sound_model_type_t;
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typedef struct sound_trigger_uuid_s {
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unsigned int timeLow;
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unsigned short timeMid;
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unsigned short timeHiAndVersion;
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unsigned short clockSeq;
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unsigned char node[6];
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} sound_trigger_uuid_t;
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/*
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* sound trigger implementation descriptor read by the framework via get_properties().
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* Used by SoundTrigger service to report to applications and manage concurrency and policy.
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*/
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struct sound_trigger_properties {
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char implementor[SOUND_TRIGGER_MAX_STRING_LEN]; /* implementor name */
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char description[SOUND_TRIGGER_MAX_STRING_LEN]; /* implementation description */
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unsigned int version; /* implementation version */
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sound_trigger_uuid_t uuid; /* unique implementation ID.
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Must change with version each version */
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unsigned int max_sound_models; /* maximum number of concurrent sound models
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loaded */
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unsigned int max_key_phrases; /* maximum number of key phrases */
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unsigned int max_users; /* maximum number of concurrent users detected */
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unsigned int recognition_modes; /* all supported modes.
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e.g RECOGNITION_MODE_VOICE_TRIGGER */
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bool capture_transition; /* supports seamless transition from detection
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to capture */
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unsigned int max_buffer_ms; /* maximum buffering capacity in ms if
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capture_transition is true*/
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bool concurrent_capture; /* supports capture by other use cases while
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detection is active */
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bool trigger_in_event; /* returns the trigger capture in event */
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unsigned int power_consumption_mw; /* Rated power consumption when detection is active
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with TDB silence/sound/speech ratio */
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};
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typedef int sound_trigger_module_handle_t;
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struct sound_trigger_module_descriptor {
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sound_trigger_module_handle_t handle;
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struct sound_trigger_properties properties;
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};
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typedef int sound_model_handle_t;
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/*
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* Generic sound model descriptor. This struct is the header of a larger block passed to
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* load_sound_model() and containing the binary data of the sound model.
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* Proprietary representation of users in binary data must match information indicated
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* by users field
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*/
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struct sound_trigger_sound_model {
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sound_trigger_sound_model_type_t type; /* model type. e.g. SOUND_MODEL_TYPE_KEYPHRASE */
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sound_trigger_uuid_t uuid; /* unique sound model ID. */
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sound_trigger_uuid_t vendor_uuid; /* unique vendor ID. Identifies the engine the
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sound model was build for */
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unsigned int data_size; /* size of opaque model data */
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unsigned int data_offset; /* offset of opaque data start from head of struct
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(e.g sizeof struct sound_trigger_sound_model) */
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};
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/* key phrase descriptor */
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struct sound_trigger_phrase {
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unsigned int id; /* keyphrase ID */
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unsigned int recognition_mode; /* recognition modes supported by this key phrase */
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unsigned int num_users; /* number of users in the key phrase */
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unsigned int users[SOUND_TRIGGER_MAX_USERS]; /* users ids: (not uid_t but sound trigger
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specific IDs */
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char locale[SOUND_TRIGGER_MAX_LOCALE_LEN]; /* locale - JAVA Locale style (e.g. en_US) */
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char text[SOUND_TRIGGER_MAX_STRING_LEN]; /* phrase text in UTF-8 format. */
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};
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/*
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* Specialized sound model for key phrase detection.
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* Proprietary representation of key phrases in binary data must match information indicated
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* by phrases field
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*/
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struct sound_trigger_phrase_sound_model {
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struct sound_trigger_sound_model common;
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unsigned int num_phrases; /* number of key phrases in model */
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struct sound_trigger_phrase phrases[SOUND_TRIGGER_MAX_PHRASES];
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};
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/*
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* Generic recognition event sent via recognition callback
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*/
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struct sound_trigger_recognition_event {
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int status; /* recognition status e.g.
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RECOGNITION_STATUS_SUCCESS */
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sound_trigger_sound_model_type_t type; /* event type, same as sound model type.
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e.g. SOUND_MODEL_TYPE_KEYPHRASE */
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sound_model_handle_t model; /* loaded sound model that triggered the
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event */
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bool capture_available; /* it is possible to capture audio from this
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utterance buffered by the
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implementation */
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int capture_session; /* audio session ID. framework use */
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int capture_delay_ms; /* delay in ms between end of model
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detection and start of audio available
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for capture. A negative value is possible
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(e.g. if key phrase is also available for
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capture */
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int capture_preamble_ms; /* duration in ms of audio captured
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before the start of the trigger.
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0 if none. */
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bool trigger_in_data; /* the opaque data is the capture of
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the trigger sound */
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audio_config_t audio_config; /* audio format of either the trigger in
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event data or to use for capture of the
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rest of the utterance */
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unsigned int data_size; /* size of opaque event data */
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unsigned int data_offset; /* offset of opaque data start from start of
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this struct (e.g sizeof struct
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sound_trigger_phrase_recognition_event) */
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};
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/*
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* Confidence level for each user in struct sound_trigger_phrase_recognition_extra
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*/
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struct sound_trigger_confidence_level {
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unsigned int user_id; /* user ID */
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unsigned int level; /* confidence level in percent (0 - 100).
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- min level for recognition configuration
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- detected level for recognition event */
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};
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/*
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* Specialized recognition event for key phrase detection
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*/
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struct sound_trigger_phrase_recognition_extra {
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unsigned int id; /* keyphrase ID */
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unsigned int recognition_modes; /* recognition modes used for this keyphrase */
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unsigned int confidence_level; /* confidence level for mode RECOGNITION_MODE_VOICE_TRIGGER */
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unsigned int num_levels; /* number of user confidence levels */
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struct sound_trigger_confidence_level levels[SOUND_TRIGGER_MAX_USERS];
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};
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struct sound_trigger_phrase_recognition_event {
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struct sound_trigger_recognition_event common;
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unsigned int num_phrases;
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struct sound_trigger_phrase_recognition_extra phrase_extras[SOUND_TRIGGER_MAX_PHRASES];
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};
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/*
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* configuration for sound trigger capture session passed to start_recognition()
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*/
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struct sound_trigger_recognition_config {
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audio_io_handle_t capture_handle; /* IO handle that will be used for capture.
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N/A if capture_requested is false */
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audio_devices_t capture_device; /* input device requested for detection capture */
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bool capture_requested; /* capture and buffer audio for this recognition
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instance */
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unsigned int num_phrases; /* number of key phrases recognition extras */
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struct sound_trigger_phrase_recognition_extra phrases[SOUND_TRIGGER_MAX_PHRASES];
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/* configuration for each key phrase */
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unsigned int data_size; /* size of opaque capture configuration data */
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unsigned int data_offset; /* offset of opaque data start from start of this struct
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(e.g sizeof struct sound_trigger_recognition_config) */
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};
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/*
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* Event sent via load sound model callback
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*/
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struct sound_trigger_model_event {
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int status; /* sound model status e.g. SOUND_MODEL_STATUS_UPDATED */
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sound_model_handle_t model; /* loaded sound model that triggered the event */
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unsigned int data_size; /* size of event data if any. Size of updated sound model if
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status is SOUND_MODEL_STATUS_UPDATED */
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unsigned int data_offset; /* offset of data start from start of this struct
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(e.g sizeof struct sound_trigger_model_event) */
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};
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#endif // ANDROID_SOUND_TRIGGER_H
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