diff options
Diffstat (limited to 'include/system/sound_trigger.h')
| -rw-r--r-- | include/system/sound_trigger.h | 54 |
1 files changed, 51 insertions, 3 deletions
diff --git a/include/system/sound_trigger.h b/include/system/sound_trigger.h index 57225e9..dcca34d 100644 --- a/include/system/sound_trigger.h +++ b/include/system/sound_trigger.h @@ -18,6 +18,7 @@ #define ANDROID_SOUND_TRIGGER_H #include <stdbool.h> +#include <system/audio.h> #define SOUND_TRIGGER_MAX_STRING_LEN 64 /* max length of strings in properties or descriptor structs */ @@ -34,6 +35,7 @@ #define RECOGNITION_STATUS_ABORT 1 #define RECOGNITION_STATUS_FAILURE 2 +#define SOUND_MODEL_STATUS_UPDATED 0 typedef enum { SOUND_MODEL_TYPE_UNKNOWN = -1, /* use for unspecified sound model type */ @@ -93,6 +95,8 @@ typedef int sound_model_handle_t; struct sound_trigger_sound_model { sound_trigger_sound_model_type_t type; /* model type. e.g. SOUND_MODEL_TYPE_KEYPHRASE */ sound_trigger_uuid_t uuid; /* unique sound model ID. */ + sound_trigger_uuid_t vendor_uuid; /* unique vendor ID. Identifies the engine the + sound model was build for */ unsigned int data_size; /* size of opaque model data */ unsigned int data_offset; /* offset of opaque data start from head of struct (e.g sizeof struct sound_trigger_sound_model) */ @@ -103,6 +107,8 @@ struct sound_trigger_phrase { unsigned int id; /* keyphrase ID */ unsigned int recognition_mode; /* recognition modes supported by this key phrase */ unsigned int num_users; /* number of users in the key phrase */ + unsigned int users[SOUND_TRIGGER_MAX_USERS]; /* users ids: (not uid_t but sound trigger + specific IDs */ char locale[SOUND_TRIGGER_MAX_LOCALE_LEN]; /* locale - JAVA Locale style (e.g. en_US) */ char text[SOUND_TRIGGER_MAX_STRING_LEN]; /* phrase text in UTF-8 format. */ }; @@ -138,6 +144,9 @@ struct sound_trigger_recognition_event { for capture. A negative value is possible (e.g. if key phrase is also available for capture */ + int capture_preamble_ms; /* duration in ms of audio captured + before the start of the trigger. + 0 if none. */ unsigned int data_size; /* size of opaque event data */ unsigned int data_offset; /* offset of opaque data start from start of this struct (e.g sizeof struct @@ -145,12 +154,23 @@ struct sound_trigger_recognition_event { }; /* + * Confidence level for each user in struct sound_trigger_phrase_recognition_extra + */ +struct sound_trigger_confidence_level { + unsigned int user_id; /* user ID */ + unsigned int level; /* confidence level in percent (0 - 100). + - min level for recognition configuration + - detected level for recognition event */ +}; + +/* * Specialized recognition event for key phrase detection */ struct sound_trigger_phrase_recognition_extra { - unsigned int recognition_modes; - unsigned int num_users; - unsigned int confidence_levels[SOUND_TRIGGER_MAX_USERS]; + unsigned int id; /* keyphrase ID */ + unsigned int recognition_modes; /* recognition modes used for this keyphrase */ + unsigned int num_levels; /* number of user confidence levels */ + struct sound_trigger_confidence_level levels[SOUND_TRIGGER_MAX_USERS]; }; struct sound_trigger_phrase_recognition_event { @@ -163,5 +183,33 @@ struct sound_trigger_phrase_recognition_event { struct sound_trigger_phrase_recognition_extra phrase_extras[SOUND_TRIGGER_MAX_PHRASES]; }; +/* + * configuration for sound trigger capture session passed to start_recognition() + */ +struct sound_trigger_recognition_config { + audio_io_handle_t capture_handle; /* IO handle that will be used for capture. + N/A if capture_requested is false */ + audio_devices_t capture_device; /* input device requested for detection capture */ + bool capture_requested; /* capture and buffer audio for this recognition + instance */ + unsigned int num_phrases; /* number of key phrases recognition extras */ + struct sound_trigger_phrase_recognition_extra phrases[SOUND_TRIGGER_MAX_PHRASES]; + /* configuration for each key phrase */ + unsigned int data_size; /* size of opaque capture configuration data */ + unsigned int data_offset; /* offset of opaque data start from start of this struct + (e.g sizeof struct sound_trigger_recognition_config) */ +}; + +/* + * Event sent via load sound model callback + */ +struct sound_trigger_model_event { + int status; /* sound model status e.g. SOUND_MODEL_STATUS_UPDATED */ + unsigned int data_size; /* size of event data if any. Size of updated sound model if + status is SOUND_MODEL_STATUS_UPDATED */ + unsigned int data_offset; /* offset of data start from start of this struct + (e.g sizeof struct sound_trigger_model_event) */ +}; + #endif // ANDROID_SOUND_TRIGGER_H |