2014-11-06 15:05:45

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 00/15] Update android/hardware headers to 5.0 API

From: Andrei Emeltchenko <[email protected]>

Replaces headers which allows to build only against the very
latest Android for host.

Andrei Emeltchenko (15):
android/hardware: Update bt_gatt_client.h header
android/hardware: Update bt_hf_client.h header
android/hardware: Update bluetooth.h header from Android 5.0
android/hardware: Update audio.h HAL header
android/system: Update system/audio.h header
android/cutils: Add missing bitops.h header
android/hardware: Update bt_hf.h header
android/hardware: Update bt_gatt_server.h header
android/hardware: Update bt_gatt_types.h header
android/hardware: Update bt_pan.h header
android/hardware: Update audio_effect.h header
android/hardware: Update bt_av.h header
android/hardware: Update bt_hh.h header
android/hardware: Update bt_mce.h header
android/hardware: Update bt_rc.h header

android/cutils/bitops.h | 120 ++++++
android/hardware/audio.h | 149 ++++++-
android/hardware/audio_effect.h | 5 +-
android/hardware/bluetooth.h | 82 +++-
android/hardware/bt_av.h | 15 +-
android/hardware/bt_gatt_client.h | 134 +++++-
android/hardware/bt_gatt_server.h | 19 +-
android/hardware/bt_gatt_types.h | 8 +
android/hardware/bt_hf.h | 63 ++-
android/hardware/bt_hf_client.h | 30 +-
android/hardware/bt_hh.h | 10 +-
android/hardware/bt_mce.h | 5 +-
android/hardware/bt_pan.h | 4 +-
android/hardware/bt_rc.h | 34 +-
android/system/audio.h | 862 +++++++++++++++++++++++++++++++++++---
15 files changed, 1414 insertions(+), 126 deletions(-)
create mode 100644 android/cutils/bitops.h

--
1.9.1



2014-11-06 15:05:46

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 01/15] android/hardware: Update bt_gatt_client.h header

From: Andrei Emeltchenko <[email protected]>

---
android/hardware/bt_gatt_client.h | 134 ++++++++++++++++++++++++++++++++++++--
1 file changed, 130 insertions(+), 4 deletions(-)

diff --git a/android/hardware/bt_gatt_client.h b/android/hardware/bt_gatt_client.h
index cf4fabe..8073dd1 100644
--- a/android/hardware/bt_gatt_client.h
+++ b/android/hardware/bt_gatt_client.h
@@ -152,10 +152,59 @@ typedef void (*read_remote_rssi_callback)(int client_if, bt_bdaddr_t* bda,
int rssi, int status);

/**
- * Callback indicationg the status of a listen() operation
+ * Callback indicating the status of a listen() operation
*/
typedef void (*listen_callback)(int status, int server_if);

+/** Callback invoked when the MTU for a given connection changes */
+typedef void (*configure_mtu_callback)(int conn_id, int status, int mtu);
+
+/** Callback invoked when a scan filter configuration command has completed */
+typedef void (*scan_filter_cfg_callback)(int action, int client_if, int status, int filt_type,
+ int avbl_space);
+
+/** Callback invoked when scan param has been added, cleared, or deleted */
+typedef void (*scan_filter_param_callback)(int action, int client_if, int status,
+ int avbl_space);
+
+/** Callback invoked when a scan filter configuration command has completed */
+typedef void (*scan_filter_status_callback)(int enable, int client_if, int status);
+
+/** Callback invoked when multi-adv enable operation has completed */
+typedef void (*multi_adv_enable_callback)(int client_if, int status);
+
+/** Callback invoked when multi-adv param update operation has completed */
+typedef void (*multi_adv_update_callback)(int client_if, int status);
+
+/** Callback invoked when multi-adv instance data set operation has completed */
+typedef void (*multi_adv_data_callback)(int client_if, int status);
+
+/** Callback invoked when multi-adv disable operation has completed */
+typedef void (*multi_adv_disable_callback)(int client_if, int status);
+
+/**
+ * Callback notifying an application that a remote device connection is currently congested
+ * and cannot receive any more data. An application should avoid sending more data until
+ * a further callback is received indicating the congestion status has been cleared.
+ */
+typedef void (*congestion_callback)(int conn_id, bool congested);
+/** Callback invoked when batchscan storage config operation has completed */
+typedef void (*batchscan_cfg_storage_callback)(int client_if, int status);
+
+/** Callback invoked when batchscan enable / disable operation has completed */
+typedef void (*batchscan_enable_disable_callback)(int action, int client_if, int status);
+
+/** Callback invoked when batchscan reports are obtained */
+typedef void (*batchscan_reports_callback)(int client_if, int status, int report_format,
+ int num_records, int data_len, uint8_t* rep_data);
+
+/** Callback invoked when batchscan storage threshold limit is crossed */
+typedef void (*batchscan_threshold_callback)(int client_if);
+
+/** Track ADV VSE callback invoked when tracked device is found or lost */
+typedef void (*track_adv_event_callback)(int client_if, int filt_index, int addr_type,
+ bt_bdaddr_t* bda, int adv_state);
+
typedef struct {
register_client_callback register_client_cb;
scan_result_callback scan_result_cb;
@@ -175,6 +224,20 @@ typedef struct {
execute_write_callback execute_write_cb;
read_remote_rssi_callback read_remote_rssi_cb;
listen_callback listen_cb;
+ configure_mtu_callback configure_mtu_cb;
+ scan_filter_cfg_callback scan_filter_cfg_cb;
+ scan_filter_param_callback scan_filter_param_cb;
+ scan_filter_status_callback scan_filter_status_cb;
+ multi_adv_enable_callback multi_adv_enable_cb;
+ multi_adv_update_callback multi_adv_update_cb;
+ multi_adv_data_callback multi_adv_data_cb;
+ multi_adv_disable_callback multi_adv_disable_cb;
+ congestion_callback congestion_cb;
+ batchscan_cfg_storage_callback batchscan_cfg_storage_cb;
+ batchscan_enable_disable_callback batchscan_enb_disable_cb;
+ batchscan_reports_callback batchscan_reports_cb;
+ batchscan_threshold_callback batchscan_threshold_cb;
+ track_adv_event_callback track_adv_event_cb;
} btgatt_client_callbacks_t;

/** Represents the standard BT-GATT client interface. */
@@ -187,11 +250,11 @@ typedef struct {
bt_status_t (*unregister_client)(int client_if );

/** Start or stop LE device scanning */
- bt_status_t (*scan)( int client_if, bool start );
+ bt_status_t (*scan)( bool start );

/** Create a connection to a remote LE or dual-mode device */
bt_status_t (*connect)( int client_if, const bt_bdaddr_t *bd_addr,
- bool is_direct );
+ bool is_direct, int transport );

/** Disconnect a remote device or cancel a pending connection */
bt_status_t (*disconnect)( int client_if, const bt_bdaddr_t *bd_addr,
@@ -272,18 +335,81 @@ typedef struct {
/** Request RSSI for a given remote device */
bt_status_t (*read_remote_rssi)( int client_if, const bt_bdaddr_t *bd_addr);

+ /** Setup scan filter params */
+ bt_status_t (*scan_filter_param_setup)(int client_if, int action, int filt_index, int feat_seln,
+ int list_logic_type, int filt_logic_type, int rssi_high_thres,
+ int rssi_low_thres, int dely_mode, int found_timeout,
+ int lost_timeout, int found_timeout_cnt);
+
+
+ /** Configure a scan filter condition */
+ bt_status_t (*scan_filter_add_remove)(int client_if, int action, int filt_type,
+ int filt_index, int company_id,
+ int company_id_mask, const bt_uuid_t *p_uuid,
+ const bt_uuid_t *p_uuid_mask, const bt_bdaddr_t *bd_addr,
+ char addr_type, int data_len, char* p_data, int mask_len,
+ char* p_mask);
+
+ /** Clear all scan filter conditions for specific filter index*/
+ bt_status_t (*scan_filter_clear)(int client_if, int filt_index);
+
+ /** Enable / disable scan filter feature*/
+ bt_status_t (*scan_filter_enable)(int client_if, bool enable);
+
/** Determine the type of the remote device (LE, BR/EDR, Dual-mode) */
int (*get_device_type)( const bt_bdaddr_t *bd_addr );

/** Set the advertising data or scan response data */
- bt_status_t (*set_adv_data)(int server_if, bool set_scan_rsp, bool include_name,
+ bt_status_t (*set_adv_data)(int client_if, bool set_scan_rsp, bool include_name,
bool include_txpower, int min_interval, int max_interval, int appearance,
uint16_t manufacturer_len, char* manufacturer_data,
uint16_t service_data_len, char* service_data,
uint16_t service_uuid_len, char* service_uuid);

+ /** Configure the MTU for a given connection */
+ bt_status_t (*configure_mtu)(int conn_id, int mtu);
+
+ /** Request a connection parameter update */
+ bt_status_t (*conn_parameter_update)(const bt_bdaddr_t *bd_addr, int min_interval,
+ int max_interval, int latency, int timeout);
+
+ /** Sets the LE scan interval and window in units of N*0.625 msec */
+ bt_status_t (*set_scan_parameters)(int scan_interval, int scan_window);
+
+ /* Setup the parameters as per spec, user manual specified values and enable multi ADV */
+ bt_status_t (*multi_adv_enable)(int client_if, int min_interval,int max_interval,int adv_type,
+ int chnl_map, int tx_power, int timeout_s);
+
+ /* Update the parameters as per spec, user manual specified values and restart multi ADV */
+ bt_status_t (*multi_adv_update)(int client_if, int min_interval,int max_interval,int adv_type,
+ int chnl_map, int tx_power, int timeout_s);
+
+ /* Setup the data for the specified instance */
+ bt_status_t (*multi_adv_set_inst_data)(int client_if, bool set_scan_rsp, bool include_name,
+ bool incl_txpower, int appearance, int manufacturer_len,
+ char* manufacturer_data, int service_data_len,
+ char* service_data, int service_uuid_len, char* service_uuid);
+
+ /* Disable the multi adv instance */
+ bt_status_t (*multi_adv_disable)(int client_if);
+
+ /* Configure the batchscan storage */
+ bt_status_t (*batchscan_cfg_storage)(int client_if, int batch_scan_full_max,
+ int batch_scan_trunc_max, int batch_scan_notify_threshold);
+
+ /* Enable batchscan */
+ bt_status_t (*batchscan_enb_batch_scan)(int client_if, int scan_mode,
+ int scan_interval, int scan_window, int addr_type, int discard_rule);
+
+ /* Disable batchscan */
+ bt_status_t (*batchscan_dis_batch_scan)(int client_if);
+
+ /* Read out batchscan reports */
+ bt_status_t (*batchscan_read_reports)(int client_if, int scan_mode);
+
/** Test mode interface */
bt_status_t (*test_command)( int command, btgatt_test_params_t* params);
+
} btgatt_client_interface_t;

__END_DECLS
--
1.9.1


2014-11-06 15:05:49

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 04/15] android/hardware: Update audio.h HAL header

From: Andrei Emeltchenko <[email protected]>

---
android/hardware/audio.h | 149 ++++++++++++++++++++++++++++++++++++++++-------
1 file changed, 127 insertions(+), 22 deletions(-)

diff --git a/android/hardware/audio.h b/android/hardware/audio.h
index 61d92db..763ca58 100644
--- a/android/hardware/audio.h
+++ b/android/hardware/audio.h
@@ -23,6 +23,8 @@
#include <sys/cdefs.h>
#include <sys/types.h>

+#include <cutils/bitops.h>
+
#include <hardware/hardware.h>
#include <system/audio.h>
#include <hardware/audio_effect.h>
@@ -52,7 +54,10 @@ __BEGIN_DECLS
#define AUDIO_DEVICE_API_VERSION_0_0 HARDWARE_DEVICE_API_VERSION(0, 0)
#define AUDIO_DEVICE_API_VERSION_1_0 HARDWARE_DEVICE_API_VERSION(1, 0)
#define AUDIO_DEVICE_API_VERSION_2_0 HARDWARE_DEVICE_API_VERSION(2, 0)
-#define AUDIO_DEVICE_API_VERSION_CURRENT AUDIO_DEVICE_API_VERSION_2_0
+#define AUDIO_DEVICE_API_VERSION_3_0 HARDWARE_DEVICE_API_VERSION(3, 0)
+#define AUDIO_DEVICE_API_VERSION_CURRENT AUDIO_DEVICE_API_VERSION_3_0
+/* Minimal audio HAL version supported by the audio framework */
+#define AUDIO_DEVICE_API_VERSION_MIN AUDIO_DEVICE_API_VERSION_2_0

/**
* List of known audio HAL modules. This is the base name of the audio HAL
@@ -89,22 +94,37 @@ __BEGIN_DECLS
#define AUDIO_PARAMETER_VALUE_TTY_HCO "tty_hco"
#define AUDIO_PARAMETER_VALUE_TTY_FULL "tty_full"

+/* Hearing Aid Compatibility - Telecoil (HAC-T) mode on/off
+ Strings must be in sync with CallFeaturesSetting.java */
+#define AUDIO_PARAMETER_KEY_HAC "HACSetting"
+#define AUDIO_PARAMETER_VALUE_HAC_ON "ON"
+#define AUDIO_PARAMETER_VALUE_HAC_OFF "OFF"
+
/* A2DP sink address set by framework */
#define AUDIO_PARAMETER_A2DP_SINK_ADDRESS "a2dp_sink_address"

+/* A2DP source address set by framework */
+#define AUDIO_PARAMETER_A2DP_SOURCE_ADDRESS "a2dp_source_address"
+
/* Screen state */
#define AUDIO_PARAMETER_KEY_SCREEN_STATE "screen_state"

+/* Bluetooth SCO wideband */
+#define AUDIO_PARAMETER_KEY_BT_SCO_WB "bt_wbs"
+
+
/**
* audio stream parameters
*/

-#define AUDIO_PARAMETER_STREAM_ROUTING "routing" // audio_devices_t
-#define AUDIO_PARAMETER_STREAM_FORMAT "format" // audio_format_t
-#define AUDIO_PARAMETER_STREAM_CHANNELS "channels" // audio_channel_mask_t
-#define AUDIO_PARAMETER_STREAM_FRAME_COUNT "frame_count" // size_t
-#define AUDIO_PARAMETER_STREAM_INPUT_SOURCE "input_source" // audio_source_t
-#define AUDIO_PARAMETER_STREAM_SAMPLING_RATE "sampling_rate" // uint32_t
+#define AUDIO_PARAMETER_STREAM_ROUTING "routing" /* audio_devices_t */
+#define AUDIO_PARAMETER_STREAM_FORMAT "format" /* audio_format_t */
+#define AUDIO_PARAMETER_STREAM_CHANNELS "channels" /* audio_channel_mask_t */
+#define AUDIO_PARAMETER_STREAM_FRAME_COUNT "frame_count" /* size_t */
+#define AUDIO_PARAMETER_STREAM_INPUT_SOURCE "input_source" /* audio_source_t */
+#define AUDIO_PARAMETER_STREAM_SAMPLING_RATE "sampling_rate" /* uint32_t */
+
+#define AUDIO_PARAMETER_DEVICE_DISCONNECT "disconnect" /* audio_devices_t */

/* Query supported formats. The response is a '|' separated list of strings from
* audio_format_t enum e.g: "sup_formats=AUDIO_FORMAT_PCM_16_BIT" */
@@ -116,6 +136,11 @@ __BEGIN_DECLS
* "sup_sampling_rates=44100|48000" */
#define AUDIO_PARAMETER_STREAM_SUP_SAMPLING_RATES "sup_sampling_rates"

+/* Get the HW synchronization source used for an output stream.
+ * Return a valid source (positive integer) or AUDIO_HW_SYNC_INVALID if an error occurs
+ * or no HW sync source is used. */
+#define AUDIO_PARAMETER_STREAM_HW_AV_SYNC "hw_av_sync"
+
/**
* audio codec parameters
*/
@@ -135,18 +160,6 @@ __BEGIN_DECLS

/**************************************/

-/* common audio stream configuration parameters
- * You should memset() the entire structure to zero before use to
- * ensure forward compatibility
- */
-struct audio_config {
- uint32_t sample_rate;
- audio_channel_mask_t channel_mask;
- audio_format_t format;
- audio_offload_info_t offload_info;
-};
-typedef struct audio_config audio_config_t;
-
/* common audio stream parameters and operations */
struct audio_stream {

@@ -255,6 +268,11 @@ typedef enum {
*/

struct audio_stream_out {
+ /**
+ * Common methods of the audio stream out. This *must* be the first member of audio_stream_out
+ * as users of this structure will cast a audio_stream to audio_stream_out pointer in contexts
+ * where it's known the audio_stream references an audio_stream_out.
+ */
struct audio_stream common;

/**
@@ -378,6 +396,11 @@ struct audio_stream_out {
typedef struct audio_stream_out audio_stream_out_t;

struct audio_stream_in {
+ /**
+ * Common methods of the audio stream in. This *must* be the first member of audio_stream_in
+ * as users of this structure will cast a audio_stream to audio_stream_in pointer in contexts
+ * where it's known the audio_stream references an audio_stream_in.
+ */
struct audio_stream common;

/** set the input gain for the audio driver. This method is for
@@ -407,7 +430,10 @@ typedef struct audio_stream_in audio_stream_in_t;

/**
* return the frame size (number of bytes per sample).
+ *
+ * Deprecated: use audio_stream_out_frame_size() or audio_stream_in_frame_size() instead.
*/
+__attribute__((__deprecated__))
static inline size_t audio_stream_frame_size(const struct audio_stream *s)
{
size_t chan_samp_sz;
@@ -421,6 +447,37 @@ static inline size_t audio_stream_frame_size(const struct audio_stream *s)
return sizeof(int8_t);
}

+/**
+ * return the frame size (number of bytes per sample) of an output stream.
+ */
+static inline size_t audio_stream_out_frame_size(const struct audio_stream_out *s)
+{
+ size_t chan_samp_sz;
+ audio_format_t format = s->common.get_format(&s->common);
+
+ if (audio_is_linear_pcm(format)) {
+ chan_samp_sz = audio_bytes_per_sample(format);
+ return audio_channel_count_from_out_mask(s->common.get_channels(&s->common)) * chan_samp_sz;
+ }
+
+ return sizeof(int8_t);
+}
+
+/**
+ * return the frame size (number of bytes per sample) of an input stream.
+ */
+static inline size_t audio_stream_in_frame_size(const struct audio_stream_in *s)
+{
+ size_t chan_samp_sz;
+ audio_format_t format = s->common.get_format(&s->common);
+
+ if (audio_is_linear_pcm(format)) {
+ chan_samp_sz = audio_bytes_per_sample(format);
+ return audio_channel_count_from_in_mask(s->common.get_channels(&s->common)) * chan_samp_sz;
+ }
+
+ return sizeof(int8_t);
+}

/**********************************************************************/

@@ -434,6 +491,11 @@ struct audio_module {
};

struct audio_hw_device {
+ /**
+ * Common methods of the audio device. This *must* be the first member of audio_hw_device
+ * as users of this structure will cast a hw_device_t to audio_hw_device pointer in contexts
+ * where it's known the hw_device_t references an audio_hw_device.
+ */
struct hw_device_t common;

/**
@@ -503,13 +565,21 @@ struct audio_hw_device {
size_t (*get_input_buffer_size)(const struct audio_hw_device *dev,
const struct audio_config *config);

- /** This method creates and opens the audio hardware output stream */
+ /** This method creates and opens the audio hardware output stream.
+ * The "address" parameter qualifies the "devices" audio device type if needed.
+ * The format format depends on the device type:
+ * - Bluetooth devices use the MAC address of the device in the form "00:11:22:AA:BB:CC"
+ * - USB devices use the ALSA card and device numbers in the form "card=X;device=Y"
+ * - Other devices may use a number or any other string.
+ */
+
int (*open_output_stream)(struct audio_hw_device *dev,
audio_io_handle_t handle,
audio_devices_t devices,
audio_output_flags_t flags,
struct audio_config *config,
- struct audio_stream_out **stream_out);
+ struct audio_stream_out **stream_out,
+ const char *address);

void (*close_output_stream)(struct audio_hw_device *dev,
struct audio_stream_out* stream_out);
@@ -519,7 +589,10 @@ struct audio_hw_device {
audio_io_handle_t handle,
audio_devices_t devices,
struct audio_config *config,
- struct audio_stream_in **stream_in);
+ struct audio_stream_in **stream_in,
+ audio_input_flags_t flags,
+ const char *address,
+ audio_source_t source);

void (*close_input_stream)(struct audio_hw_device *dev,
struct audio_stream_in *stream_in);
@@ -541,6 +614,38 @@ struct audio_hw_device {
* method may leave it set to NULL.
*/
int (*get_master_mute)(struct audio_hw_device *dev, bool *mute);
+
+ /**
+ * Routing control
+ */
+
+ /* Creates an audio patch between several source and sink ports.
+ * The handle is allocated by the HAL and should be unique for this
+ * audio HAL module. */
+ int (*create_audio_patch)(struct audio_hw_device *dev,
+ unsigned int num_sources,
+ const struct audio_port_config *sources,
+ unsigned int num_sinks,
+ const struct audio_port_config *sinks,
+ audio_patch_handle_t *handle);
+
+ /* Release an audio patch */
+ int (*release_audio_patch)(struct audio_hw_device *dev,
+ audio_patch_handle_t handle);
+
+ /* Fills the list of supported attributes for a given audio port.
+ * As input, "port" contains the information (type, role, address etc...)
+ * needed by the HAL to identify the port.
+ * As output, "port" contains possible attributes (sampling rates, formats,
+ * channel masks, gain controllers...) for this port.
+ */
+ int (*get_audio_port)(struct audio_hw_device *dev,
+ struct audio_port *port);
+
+ /* Set audio port configuration */
+ int (*set_audio_port_config)(struct audio_hw_device *dev,
+ const struct audio_port_config *config);
+
};
typedef struct audio_hw_device audio_hw_device_t;

--
1.9.1


2014-11-06 15:05:58

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 13/15] android/hardware: Update bt_hh.h header

From: Andrei Emeltchenko <[email protected]>

---
android/hardware/bt_hh.h | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/android/hardware/bt_hh.h b/android/hardware/bt_hh.h
index 09f547b..dad9586 100644
--- a/android/hardware/bt_hh.h
+++ b/android/hardware/bt_hh.h
@@ -99,10 +99,10 @@ typedef void (* bthh_virtual_unplug_callback)(bt_bdaddr_t *bd_addr, bthh_status_
*/
typedef void (* bthh_hid_info_callback)(bt_bdaddr_t *bd_addr, bthh_hid_info_t hid_info);

-/** Callback for get/set protocal api.
+/** Callback for get protocol api.
* the protocol mode is one of the value from bthh_protocol_mode_t
*/
-typedef void (* bthh_protocol_mode_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status,bthh_protocol_mode_t mode);
+typedef void (* bthh_protocol_mode_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status, bthh_protocol_mode_t mode);

/** Callback for get/set_idle_time api.
*/
@@ -114,6 +114,11 @@ typedef void (* bthh_idle_time_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_
*/
typedef void (* bthh_get_report_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status, uint8_t* rpt_data, int rpt_size);

+/** Callback for set_report/set_protocol api and if error
+ * occurs for get_report/get_protocol api.
+ */
+typedef void (* bthh_handshake_callback)(bt_bdaddr_t *bd_addr, bthh_status_t hh_status);
+

/** BT-HH callback structure. */
typedef struct {
@@ -125,6 +130,7 @@ typedef struct {
bthh_idle_time_callback idle_time_cb;
bthh_get_report_callback get_report_cb;
bthh_virtual_unplug_callback virtual_unplug_cb;
+ bthh_handshake_callback handshake_cb;

} bthh_callbacks_t;

--
1.9.1


2014-11-06 15:05:52

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 07/15] android/hardware: Update bt_hf.h header

From: Andrei Emeltchenko <[email protected]>

---
android/hardware/bt_hf.h | 63 ++++++++++++++++++++++++++++++------------------
1 file changed, 40 insertions(+), 23 deletions(-)

diff --git a/android/hardware/bt_hf.h b/android/hardware/bt_hf.h
index 6135ac4..7dcb40a 100644
--- a/android/hardware/bt_hf.h
+++ b/android/hardware/bt_hf.h
@@ -57,6 +57,14 @@ typedef enum
BTHF_NREC_START
} bthf_nrec_t;

+/* WBS codec setting */
+typedef enum
+{
+ BTHF_WBS_NONE,
+ BTHF_WBS_NO,
+ BTHF_WBS_YES
+}bthf_wbs_config_t;
+
/* CHLD - Call held handling */
typedef enum
{
@@ -79,65 +87,70 @@ typedef void (* bthf_audio_state_callback)(bthf_audio_state_t state, bt_bdaddr_t
/** Callback for VR connection state change.
* state will have one of the values from BtHfVRState
*/
-typedef void (* bthf_vr_cmd_callback)(bthf_vr_state_t state);
+typedef void (* bthf_vr_cmd_callback)(bthf_vr_state_t state, bt_bdaddr_t *bd_addr);

/** Callback for answer incoming call (ATA)
*/
-typedef void (* bthf_answer_call_cmd_callback)();
+typedef void (* bthf_answer_call_cmd_callback)(bt_bdaddr_t *bd_addr);

/** Callback for disconnect call (AT+CHUP)
*/
-typedef void (* bthf_hangup_call_cmd_callback)();
+typedef void (* bthf_hangup_call_cmd_callback)(bt_bdaddr_t *bd_addr);

/** Callback for disconnect call (AT+CHUP)
* type will denote Speaker/Mic gain (BtHfVolumeControl).
*/
-typedef void (* bthf_volume_cmd_callback)(bthf_volume_type_t type, int volume);
+typedef void (* bthf_volume_cmd_callback)(bthf_volume_type_t type, int volume, bt_bdaddr_t *bd_addr);

/** Callback for dialing an outgoing call
* If number is NULL, redial
*/
-typedef void (* bthf_dial_call_cmd_callback)(char *number);
+typedef void (* bthf_dial_call_cmd_callback)(char *number, bt_bdaddr_t *bd_addr);

/** Callback for sending DTMF tones
* tone contains the dtmf character to be sent
*/
-typedef void (* bthf_dtmf_cmd_callback)(char tone);
+typedef void (* bthf_dtmf_cmd_callback)(char tone, bt_bdaddr_t *bd_addr);

/** Callback for enabling/disabling noise reduction/echo cancellation
* value will be 1 to enable, 0 to disable
*/
-typedef void (* bthf_nrec_cmd_callback)(bthf_nrec_t nrec);
+typedef void (* bthf_nrec_cmd_callback)(bthf_nrec_t nrec, bt_bdaddr_t *bd_addr);
+
+/** Callback for AT+BCS and event from BAC
+ * WBS enable, WBS disable
+ */
+typedef void (* bthf_wbs_callback)(bthf_wbs_config_t wbs, bt_bdaddr_t *bd_addr);

/** Callback for call hold handling (AT+CHLD)
* value will contain the call hold command (0, 1, 2, 3)
*/
-typedef void (* bthf_chld_cmd_callback)(bthf_chld_type_t chld);
+typedef void (* bthf_chld_cmd_callback)(bthf_chld_type_t chld, bt_bdaddr_t *bd_addr);

/** Callback for CNUM (subscriber number)
*/
-typedef void (* bthf_cnum_cmd_callback)();
+typedef void (* bthf_cnum_cmd_callback)(bt_bdaddr_t *bd_addr);

/** Callback for indicators (CIND)
*/
-typedef void (* bthf_cind_cmd_callback)();
+typedef void (* bthf_cind_cmd_callback)(bt_bdaddr_t *bd_addr);

/** Callback for operator selection (COPS)
*/
-typedef void (* bthf_cops_cmd_callback)();
+typedef void (* bthf_cops_cmd_callback)(bt_bdaddr_t *bd_addr);

/** Callback for call list (AT+CLCC)
*/
-typedef void (* bthf_clcc_cmd_callback) ();
+typedef void (* bthf_clcc_cmd_callback) (bt_bdaddr_t *bd_addr);

/** Callback for unknown AT command recd from HF
* at_string will contain the unparsed AT string
*/
-typedef void (* bthf_unknown_at_cmd_callback)(char *at_string);
+typedef void (* bthf_unknown_at_cmd_callback)(char *at_string, bt_bdaddr_t *bd_addr);

/** Callback for keypressed (HSP) event.
*/
-typedef void (* bthf_key_pressed_cmd_callback)();
+typedef void (* bthf_key_pressed_cmd_callback)(bt_bdaddr_t *bd_addr);

/** BT-HF callback structure. */
typedef struct {
@@ -152,6 +165,7 @@ typedef struct {
bthf_dial_call_cmd_callback dial_call_cmd_cb;
bthf_dtmf_cmd_callback dtmf_cmd_cb;
bthf_nrec_cmd_callback nrec_cmd_cb;
+ bthf_wbs_callback wbs_cb;
bthf_chld_cmd_callback chld_cmd_cb;
bthf_cnum_cmd_callback cnum_cmd_cb;
bthf_cind_cmd_callback cind_cmd_cb;
@@ -213,7 +227,7 @@ typedef struct {
/**
* Register the BtHf callbacks
*/
- bt_status_t (*init)( bthf_callbacks_t* callbacks );
+ bt_status_t (*init)( bthf_callbacks_t* callbacks, int max_hf_clients);

/** connect to headset */
bt_status_t (*connect)( bt_bdaddr_t *bd_addr );
@@ -228,33 +242,33 @@ typedef struct {
bt_status_t (*disconnect_audio)( bt_bdaddr_t *bd_addr );

/** start voice recognition */
- bt_status_t (*start_voice_recognition)();
+ bt_status_t (*start_voice_recognition)( bt_bdaddr_t *bd_addr );

/** stop voice recognition */
- bt_status_t (*stop_voice_recognition)();
+ bt_status_t (*stop_voice_recognition)( bt_bdaddr_t *bd_addr );

/** volume control */
- bt_status_t (*volume_control) (bthf_volume_type_t type, int volume);
+ bt_status_t (*volume_control) (bthf_volume_type_t type, int volume, bt_bdaddr_t *bd_addr );

/** Combined device status change notification */
bt_status_t (*device_status_notification)(bthf_network_state_t ntk_state, bthf_service_type_t svc_type, int signal,
int batt_chg);

/** Response for COPS command */
- bt_status_t (*cops_response)(const char *cops);
+ bt_status_t (*cops_response)(const char *cops, bt_bdaddr_t *bd_addr );

/** Response for CIND command */
bt_status_t (*cind_response)(int svc, int num_active, int num_held, bthf_call_state_t call_setup_state,
- int signal, int roam, int batt_chg);
+ int signal, int roam, int batt_chg, bt_bdaddr_t *bd_addr );

/** Pre-formatted AT response, typically in response to unknown AT cmd */
- bt_status_t (*formatted_at_response)(const char *rsp);
+ bt_status_t (*formatted_at_response)(const char *rsp, bt_bdaddr_t *bd_addr );

/** ok/error response
* ERROR (0)
* OK (1)
*/
- bt_status_t (*at_response) (bthf_at_response_t response_code, int error_code);
+ bt_status_t (*at_response) (bthf_at_response_t response_code, int error_code, bt_bdaddr_t *bd_addr );

/** response for CLCC command
* Can be iteratively called for each call index
@@ -263,7 +277,7 @@ typedef struct {
bt_status_t (*clcc_response) (int index, bthf_call_direction_t dir,
bthf_call_state_t state, bthf_call_mode_t mode,
bthf_call_mpty_type_t mpty, const char *number,
- bthf_call_addrtype_t type);
+ bthf_call_addrtype_t type, bt_bdaddr_t *bd_addr );

/** notify of a call state change
* Each update notifies
@@ -277,6 +291,9 @@ typedef struct {

/** Closes the interface. */
void (*cleanup)( void );
+
+ /** configureation for the SCO codec */
+ bt_status_t (*configure_wbs)( bt_bdaddr_t *bd_addr ,bthf_wbs_config_t config );
} bthf_interface_t;

__END_DECLS
--
1.9.1


2014-11-06 15:06:00

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 15/15] android/hardware: Update bt_rc.h header

From: Andrei Emeltchenko <[email protected]>

---
android/hardware/bt_rc.h | 34 ++++++++++++++++++++++++++++++++--
1 file changed, 32 insertions(+), 2 deletions(-)

diff --git a/android/hardware/bt_rc.h b/android/hardware/bt_rc.h
index d455543..c565c48 100644
--- a/android/hardware/bt_rc.h
+++ b/android/hardware/bt_rc.h
@@ -171,7 +171,7 @@ typedef void (* btrc_volume_change_callback) (uint8_t volume, uint8_t ctype);
/** Callback for passthrough commands */
typedef void (* btrc_passthrough_cmd_callback) (int id, int key_state);

-/** BT-RC callback structure. */
+/** BT-RC Target callback structure. */
typedef struct {
/** set to sizeof(BtRcCallbacks) */
size_t size;
@@ -189,7 +189,7 @@ typedef struct {
btrc_passthrough_cmd_callback passthrough_cmd_cb;
} btrc_callbacks_t;

-/** Represents the standard BT-RC interface. */
+/** Represents the standard BT-RC AVRCP Target interface. */
typedef struct {

/** set to sizeof(BtRcInterface) */
@@ -261,6 +261,36 @@ typedef struct {
void (*cleanup)( void );
} btrc_interface_t;

+
+typedef void (* btrc_passthrough_rsp_callback) (int id, int key_state);
+
+typedef void (* btrc_connection_state_callback) (bool state, bt_bdaddr_t *bd_addr);
+
+/** BT-RC Controller callback structure. */
+typedef struct {
+ /** set to sizeof(BtRcCallbacks) */
+ size_t size;
+ btrc_passthrough_rsp_callback passthrough_rsp_cb;
+ btrc_connection_state_callback connection_state_cb;
+} btrc_ctrl_callbacks_t;
+
+/** Represents the standard BT-RC AVRCP Controller interface. */
+typedef struct {
+
+ /** set to sizeof(BtRcInterface) */
+ size_t size;
+ /**
+ * Register the BtRc callbacks
+ */
+ bt_status_t (*init)( btrc_ctrl_callbacks_t* callbacks );
+
+ /** send pass through command to target */
+ bt_status_t (*send_pass_through_cmd) ( bt_bdaddr_t *bd_addr, uint8_t key_code, uint8_t key_state );
+
+ /** Closes the interface. */
+ void (*cleanup)( void );
+} btrc_ctrl_interface_t;
+
__END_DECLS

#endif /* ANDROID_INCLUDE_BT_RC_H */
--
1.9.1


2014-11-06 15:05:59

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 14/15] android/hardware: Update bt_mce.h header

From: Andrei Emeltchenko <[email protected]>

---
android/hardware/bt_mce.h | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/android/hardware/bt_mce.h b/android/hardware/bt_mce.h
index c87f64e..5d159b3 100644
--- a/android/hardware/bt_mce.h
+++ b/android/hardware/bt_mce.h
@@ -1,8 +1,5 @@
/*
- * Copyright (c) 2013, The Linux Foundation. All rights reserved.
- * Not a Contribution
- *
- * Copyright (C) 2012 The Android Open Source Project
+ * Copyright (C) 2014 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.
--
1.9.1


2014-11-06 15:05:55

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 10/15] android/hardware: Update bt_pan.h header

From: Andrei Emeltchenko <[email protected]>

---
android/hardware/bt_pan.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/android/hardware/bt_pan.h b/android/hardware/bt_pan.h
index c8b36b4..83e7949 100644
--- a/android/hardware/bt_pan.h
+++ b/android/hardware/bt_pan.h
@@ -40,8 +40,8 @@ typedef enum {
*/
typedef void (*btpan_connection_state_callback)(btpan_connection_state_t state, bt_status_t error,
const bt_bdaddr_t *bd_addr, int local_role, int remote_role);
-typedef void (*btpan_control_state_callback)(btpan_control_state_t state, bt_status_t error,
- int local_role, const char* ifname);
+typedef void (*btpan_control_state_callback)(btpan_control_state_t state, int local_role,
+ bt_status_t error, const char* ifname);

typedef struct {
size_t size;
--
1.9.1


2014-11-06 15:05:51

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 06/15] android/cutils: Add missing bitops.h header

From: Andrei Emeltchenko <[email protected]>

---
android/cutils/bitops.h | 120 ++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 120 insertions(+)
create mode 100644 android/cutils/bitops.h

diff --git a/android/cutils/bitops.h b/android/cutils/bitops.h
new file mode 100644
index 0000000..045830d
--- /dev/null
+++ b/android/cutils/bitops.h
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2011 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.
+ */
+
+#ifndef __CUTILS_BITOPS_H
+#define __CUTILS_BITOPS_H
+
+#include <stdbool.h>
+#include <string.h>
+#include <strings.h>
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+/*
+ * Bitmask Operations
+ *
+ * Note this doesn't provide any locking/exclusion, and isn't atomic.
+ * Additionally no bounds checking is done on the bitmask array.
+ *
+ * Example:
+ *
+ * int num_resources;
+ * unsigned int resource_bits[BITS_TO_WORDS(num_resources)];
+ * bitmask_init(resource_bits, num_resources);
+ * ...
+ * int bit = bitmask_ffz(resource_bits, num_resources);
+ * bitmask_set(resource_bits, bit);
+ * ...
+ * if (bitmask_test(resource_bits, bit)) { ... }
+ * ...
+ * bitmask_clear(resource_bits, bit);
+ *
+ */
+
+#define BITS_PER_WORD (sizeof(unsigned int) * 8)
+#define BITS_TO_WORDS(x) (((x) + BITS_PER_WORD - 1) / BITS_PER_WORD)
+#define BIT_IN_WORD(x) ((x) % BITS_PER_WORD)
+#define BIT_WORD(x) ((x) / BITS_PER_WORD)
+#define BIT_MASK(x) (1 << BIT_IN_WORD(x))
+
+static inline void bitmask_init(unsigned int *bitmask, int num_bits)
+{
+ memset(bitmask, 0, BITS_TO_WORDS(num_bits)*sizeof(unsigned int));
+}
+
+static inline int bitmask_ffz(unsigned int *bitmask, int num_bits)
+{
+ int bit, result;
+ size_t i;
+
+ for (i = 0; i < BITS_TO_WORDS(num_bits); i++) {
+ bit = ffs(~bitmask[i]);
+ if (bit) {
+ // ffs is 1-indexed, return 0-indexed result
+ bit--;
+ result = BITS_PER_WORD * i + bit;
+ if (result >= num_bits)
+ return -1;
+ return result;
+ }
+ }
+ return -1;
+}
+
+static inline int bitmask_weight(unsigned int *bitmask, int num_bits)
+{
+ size_t i;
+ int weight = 0;
+
+ for (i = 0; i < BITS_TO_WORDS(num_bits); i++)
+ weight += __builtin_popcount(bitmask[i]);
+ return weight;
+}
+
+static inline void bitmask_set(unsigned int *bitmask, int bit)
+{
+ bitmask[BIT_WORD(bit)] |= BIT_MASK(bit);
+}
+
+static inline void bitmask_clear(unsigned int *bitmask, int bit)
+{
+ bitmask[BIT_WORD(bit)] &= ~BIT_MASK(bit);
+}
+
+static inline bool bitmask_test(unsigned int *bitmask, int bit)
+{
+ return bitmask[BIT_WORD(bit)] & BIT_MASK(bit);
+}
+
+static inline int popcount(unsigned int x)
+{
+ return __builtin_popcount(x);
+}
+
+static inline int popcountl(unsigned long x)
+{
+ return __builtin_popcountl(x);
+}
+
+static inline int popcountll(unsigned long long x)
+{
+ return __builtin_popcountll(x);
+}
+
+__END_DECLS
+
+#endif /* __CUTILS_BITOPS_H */
--
1.9.1


2014-11-06 15:05:53

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 08/15] android/hardware: Update bt_gatt_server.h header

From: Andrei Emeltchenko <[email protected]>

---
android/hardware/bt_gatt_server.h | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/android/hardware/bt_gatt_server.h b/android/hardware/bt_gatt_server.h
index 1a5a400..2b1de27 100644
--- a/android/hardware/bt_gatt_server.h
+++ b/android/hardware/bt_gatt_server.h
@@ -104,6 +104,19 @@ typedef void (*request_exec_write_callback)(int conn_id, int trans_id,
*/
typedef void (*response_confirmation_callback)(int status, int handle);

+/**
+ * Callback confirming that a notification or indication has been sent
+ * to a remote device.
+ */
+typedef void (*indication_sent_callback)(int conn_id, int status);
+
+/**
+ * Callback notifying an application that a remote device connection is currently congested
+ * and cannot receive any more data. An application should avoid sending more data until
+ * a further callback is received indicating the congestion status has been cleared.
+ */
+typedef void (*congestion_callback)(int conn_id, bool congested);
+
typedef struct {
register_server_callback register_server_cb;
connection_callback connection_cb;
@@ -118,6 +131,8 @@ typedef struct {
request_write_callback request_write_cb;
request_exec_write_callback request_exec_write_cb;
response_confirmation_callback response_confirmation_cb;
+ indication_sent_callback indication_sent_cb;
+ congestion_callback congestion_cb;
} btgatt_server_callbacks_t;

/** Represents the standard BT-GATT server interface. */
@@ -129,7 +144,8 @@ typedef struct {
bt_status_t (*unregister_server)(int server_if );

/** Create a connection to a remote peripheral */
- bt_status_t (*connect)(int server_if, const bt_bdaddr_t *bd_addr, bool is_direct );
+ bt_status_t (*connect)(int server_if, const bt_bdaddr_t *bd_addr,
+ bool is_direct, int transport);

/** Disconnect an established connection or cancel a pending one */
bt_status_t (*disconnect)(int server_if, const bt_bdaddr_t *bd_addr,
@@ -168,6 +184,7 @@ typedef struct {
/** Send a response to a read/write operation */
bt_status_t (*send_response)(int conn_id, int trans_id,
int status, btgatt_response_t *response);
+
} btgatt_server_interface_t;

__END_DECLS
--
1.9.1


2014-11-06 15:05:48

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 03/15] android/hardware: Update bluetooth.h header from Android 5.0

From: Andrei Emeltchenko <[email protected]>

---
android/hardware/bluetooth.h | 82 ++++++++++++++++++++++++++++++++++++++++++--
1 file changed, 80 insertions(+), 2 deletions(-)

diff --git a/android/hardware/bluetooth.h b/android/hardware/bluetooth.h
index b957c6f..74cd1fc 100644
--- a/android/hardware/bluetooth.h
+++ b/android/hardware/bluetooth.h
@@ -17,6 +17,7 @@
#ifndef ANDROID_INCLUDE_BLUETOOTH_H
#define ANDROID_INCLUDE_BLUETOOTH_H

+#include <stdbool.h>
#include <stdint.h>
#include <sys/cdefs.h>
#include <sys/types.h>
@@ -39,6 +40,7 @@ __BEGIN_DECLS
#define BT_PROFILE_HANDSFREE_ID "handsfree"
#define BT_PROFILE_HANDSFREE_CLIENT_ID "handsfree_client"
#define BT_PROFILE_ADVANCED_AUDIO_ID "a2dp"
+#define BT_PROFILE_ADVANCED_AUDIO_SINK_ID "a2dp_sink"
#define BT_PROFILE_HEALTH_ID "health"
#define BT_PROFILE_SOCKETS_ID "socket"
#define BT_PROFILE_HIDHOST_ID "hidhost"
@@ -47,6 +49,7 @@ __BEGIN_DECLS

#define BT_PROFILE_GATT_ID "gatt"
#define BT_PROFILE_AV_RC_ID "avrcp"
+#define BT_PROFILE_AV_RC_CTRL_ID "avrcp_ctrl"

/** Bluetooth Address */
typedef struct {
@@ -85,7 +88,8 @@ typedef enum {
BT_STATUS_PARM_INVALID,
BT_STATUS_UNHANDLED,
BT_STATUS_AUTH_FAILURE,
- BT_STATUS_RMT_DEV_DOWN
+ BT_STATUS_RMT_DEV_DOWN,
+ BT_STATUS_AUTH_REJECTED

} bt_status_t;

@@ -94,6 +98,15 @@ typedef struct {
uint8_t pin[16];
} __attribute__((packed))bt_pin_code_t;

+typedef struct {
+ uint8_t status;
+ uint8_t ctrl_state; /* stack reported state */
+ uint64_t tx_time; /* in ms */
+ uint64_t rx_time; /* in ms */
+ uint64_t idle_time; /* in ms */
+ uint64_t energy_used; /* a product of mA, V and ms */
+} __attribute__((packed))bt_activity_energy_info;
+
/** Bluetooth Adapter Discovery state */
typedef enum {
BT_DISCOVERY_STOPPED,
@@ -128,6 +141,18 @@ typedef struct
int manufacturer;
} bt_remote_version_t;

+typedef struct
+{
+ uint8_t local_privacy_enabled;
+ uint8_t max_adv_instance;
+ uint8_t rpa_offload_supported;
+ uint8_t max_irk_list_size;
+ uint8_t max_adv_filter_supported;
+ uint8_t scan_result_storage_size_lobyte;
+ uint8_t scan_result_storage_size_hibyte;
+ uint8_t activity_energy_info_supported;
+}bt_local_le_features_t;
+
/* Bluetooth Adapter and Remote Device property types */
typedef enum {
/* Properties common to both adapter and remote device */
@@ -210,6 +235,13 @@ typedef enum {

BT_PROPERTY_REMOTE_VERSION_INFO,

+ /**
+ * Description - Local LE features
+ * Access mode - GET.
+ * Data type - bt_local_le_features_t.
+ */
+ BT_PROPERTY_LOCAL_LE_FEATURES,
+
BT_PROPERTY_REMOTE_DEVICE_TIMESTAMP = 0xFF,
} bt_property_type_t;

@@ -221,6 +253,7 @@ typedef struct
void *val;
} bt_property_t;

+
/** Bluetooth Device Type */
typedef enum {
BT_DEVICE_DEVTYPE_BREDR = 0x1,
@@ -323,6 +356,15 @@ typedef void (*dut_mode_recv_callback)(uint16_t opcode, uint8_t *buf, uint8_t le
* This callback shall be invoked whenever the le_tx_test, le_rx_test or le_test_end is invoked
* The num_packets is valid only for le_test_end command */
typedef void (*le_test_mode_callback)(bt_status_t status, uint16_t num_packets);
+
+/** Callback invoked when energy details are obtained */
+/* Ctrl_state-Current controller state-Active-1,scan-2,or idle-3 state as defined by HCI spec.
+ * If the ctrl_state value is 0, it means the API call failed
+ * Time values-In milliseconds as returned by the controller
+ * Energy used-Value as returned by the controller
+ * Status-Provides the status of the read_energy_info API call */
+typedef void (*energy_info_callback)(bt_activity_energy_info *energy_info);
+
/** TODO: Add callbacks for Link Up/Down and other generic
* notifications/callbacks */

@@ -342,8 +384,27 @@ typedef struct {
callback_thread_event thread_evt_cb;
dut_mode_recv_callback dut_mode_recv_cb;
le_test_mode_callback le_test_mode_cb;
+ energy_info_callback energy_info_cb;
} bt_callbacks_t;

+typedef void (*alarm_cb)(void *data);
+typedef bool (*set_wake_alarm_callout)(uint64_t delay_millis, bool should_wake, alarm_cb cb, void *data);
+typedef int (*acquire_wake_lock_callout)(const char *lock_name);
+typedef int (*release_wake_lock_callout)(const char *lock_name);
+
+/** The set of functions required by bluedroid to set wake alarms and
+ * grab wake locks. This struct is passed into the stack through the
+ * |set_os_callouts| function on |bt_interface_t|.
+ */
+typedef struct {
+ /* set to sizeof(bt_os_callouts_t) */
+ size_t size;
+
+ set_wake_alarm_callout set_wake_alarm;
+ acquire_wake_lock_callout acquire_wake_lock;
+ release_wake_lock_callout release_wake_lock;
+} bt_os_callouts_t;
+
/** NOTE: By default, no profiles are initialized at the time of init/enable.
* Whenever the application invokes the 'init' API of a profile, then one of
* the following shall occur:
@@ -419,7 +480,7 @@ typedef struct {
int (*cancel_discovery)(void);

/** Create Bluetooth Bonding */
- int (*create_bond)(const bt_bdaddr_t *bd_addr);
+ int (*create_bond)(const bt_bdaddr_t *bd_addr, int transport);

/** Remove Bond */
int (*remove_bond)(const bt_bdaddr_t *bd_addr);
@@ -427,6 +488,13 @@ typedef struct {
/** Cancel Bond */
int (*cancel_bond)(const bt_bdaddr_t *bd_addr);

+ /**
+ * Get the connection status for a given remote device.
+ * return value of 0 means the device is not connected,
+ * non-zero return status indicates an active connection.
+ */
+ int (*get_connection_state)(const bt_bdaddr_t *bd_addr);
+
/** BT Legacy PinKey Reply */
/** If accept==FALSE, then pin_len and pin_code shall be 0x0 */
int (*pin_reply)(const bt_bdaddr_t *bd_addr, uint8_t accept,
@@ -455,6 +523,16 @@ typedef struct {

/* enable or disable bluetooth HCI snoop log */
int (*config_hci_snoop_log)(uint8_t enable);
+
+ /** Sets the OS call-out functions that bluedroid needs for alarms and wake locks.
+ * This should be called immediately after a successful |init|.
+ */
+ int (*set_os_callouts)(bt_os_callouts_t *callouts);
+
+ /** Read Energy info details - return value indicates BT_STATUS_SUCCESS or BT_STATUS_NOT_READY
+ * Success indicates that the VSC command was sent to controller
+ */
+ int (*read_energy_info)();
} bt_interface_t;

/** TODO: Need to add APIs for Service Discovery, Service authorization and
--
1.9.1


2014-11-06 15:05:50

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 05/15] android/system: Update system/audio.h header

From: Andrei Emeltchenko <[email protected]>

---
android/system/audio.h | 862 ++++++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 810 insertions(+), 52 deletions(-)

diff --git a/android/system/audio.h b/android/system/audio.h
index 26a0a3b..9a25cfb 100644
--- a/android/system/audio.h
+++ b/android/system/audio.h
@@ -20,10 +20,11 @@

#include <stdbool.h>
#include <stdint.h>
+#include <stdio.h>
#include <sys/cdefs.h>
#include <sys/types.h>

-#define popcount __builtin_popcount
+#include <cutils/bitops.h>

__BEGIN_DECLS

@@ -34,11 +35,17 @@ __BEGIN_DECLS
/* device address used to refer to the standard remote submix */
#define AUDIO_REMOTE_SUBMIX_DEVICE_ADDRESS "0"

+/* AudioFlinger and AudioPolicy services use I/O handles to identify audio sources and sinks */
typedef int audio_io_handle_t;
+#define AUDIO_IO_HANDLE_NONE 0

/* Audio stream types */
typedef enum {
+ /* These values must kept in sync with
+ * frameworks/base/media/java/android/media/AudioSystem.java
+ */
AUDIO_STREAM_DEFAULT = -1,
+ AUDIO_STREAM_MIN = 0,
AUDIO_STREAM_VOICE_CALL = 0,
AUDIO_STREAM_SYSTEM = 1,
AUDIO_STREAM_RING = 2,
@@ -46,7 +53,9 @@ typedef enum {
AUDIO_STREAM_ALARM = 4,
AUDIO_STREAM_NOTIFICATION = 5,
AUDIO_STREAM_BLUETOOTH_SCO = 6,
- AUDIO_STREAM_ENFORCED_AUDIBLE = 7, /* Sounds that cannot be muted by user and must be routed to speaker */
+ AUDIO_STREAM_ENFORCED_AUDIBLE = 7, /* Sounds that cannot be muted by user
+ * and must be routed to speaker
+ */
AUDIO_STREAM_DTMF = 8,
AUDIO_STREAM_TTS = 9,

@@ -55,7 +64,61 @@ typedef enum {
} audio_stream_type_t;

/* Do not change these values without updating their counterparts
- * in media/java/android/media/MediaRecorder.java!
+ * in frameworks/base/media/java/android/media/AudioAttributes.java
+ */
+typedef enum {
+ AUDIO_CONTENT_TYPE_UNKNOWN = 0,
+ AUDIO_CONTENT_TYPE_SPEECH = 1,
+ AUDIO_CONTENT_TYPE_MUSIC = 2,
+ AUDIO_CONTENT_TYPE_MOVIE = 3,
+ AUDIO_CONTENT_TYPE_SONIFICATION = 4,
+
+ AUDIO_CONTENT_TYPE_CNT,
+ AUDIO_CONTENT_TYPE_MAX = AUDIO_CONTENT_TYPE_CNT - 1,
+} audio_content_type_t;
+
+/* Do not change these values without updating their counterparts
+ * in frameworks/base/media/java/android/media/AudioAttributes.java
+ */
+typedef enum {
+ AUDIO_USAGE_UNKNOWN = 0,
+ AUDIO_USAGE_MEDIA = 1,
+ AUDIO_USAGE_VOICE_COMMUNICATION = 2,
+ AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING = 3,
+ AUDIO_USAGE_ALARM = 4,
+ AUDIO_USAGE_NOTIFICATION = 5,
+ AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE = 6,
+ AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST = 7,
+ AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT = 8,
+ AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED = 9,
+ AUDIO_USAGE_NOTIFICATION_EVENT = 10,
+ AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY = 11,
+ AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE = 12,
+ AUDIO_USAGE_ASSISTANCE_SONIFICATION = 13,
+ AUDIO_USAGE_GAME = 14,
+
+ AUDIO_USAGE_CNT,
+ AUDIO_USAGE_MAX = AUDIO_USAGE_CNT - 1,
+} audio_usage_t;
+
+typedef uint32_t audio_flags_mask_t;
+
+/* Do not change these values without updating their counterparts
+ * in frameworks/base/media/java/android/media/AudioAttributes.java
+ */
+enum {
+ AUDIO_FLAG_AUDIBILITY_ENFORCED = 0x1,
+ AUDIO_FLAG_SECURE = 0x2,
+ AUDIO_FLAG_SCO = 0x4,
+ AUDIO_FLAG_BEACON = 0x8,
+ AUDIO_FLAG_HW_AV_SYNC = 0x10,
+ AUDIO_FLAG_HW_HOTWORD = 0x20,
+};
+
+/* Do not change these values without updating their counterparts
+ * in frameworks/base/media/java/android/media/MediaRecorder.java,
+ * frameworks/av/services/audiopolicy/AudioPolicyService.cpp,
+ * and system/media/audio_effects/include/audio_effects/audio_effects_conf.h!
*/
typedef enum {
AUDIO_SOURCE_DEFAULT = 0,
@@ -79,6 +142,16 @@ typedef enum {
at the audio HAL. */
} audio_source_t;

+/* Audio attributes */
+#define AUDIO_ATTRIBUTES_TAGS_MAX_SIZE 256
+typedef struct {
+ audio_content_type_t content_type;
+ audio_usage_t usage;
+ audio_source_t source;
+ audio_flags_mask_t flags;
+ char tags[AUDIO_ATTRIBUTES_TAGS_MAX_SIZE]; /* UTF8 */
+} audio_attributes_t;
+
/* special audio session values
* (XXX: should this be living in the audio effects land?)
*/
@@ -93,18 +166,35 @@ typedef enum {
* (value must be 0)
*/
AUDIO_SESSION_OUTPUT_MIX = 0,
+
+ /* application does not specify an explicit session ID to be used,
+ * and requests a new session ID to be allocated
+ * TODO use unique values for AUDIO_SESSION_OUTPUT_MIX and AUDIO_SESSION_ALLOCATE,
+ * after all uses have been updated from 0 to the appropriate symbol, and have been tested.
+ */
+ AUDIO_SESSION_ALLOCATE = 0,
} audio_session_t;

+/* a unique ID allocated by AudioFlinger for use as a audio_io_handle_t or audio_session_t */
+typedef int audio_unique_id_t;
+
+#define AUDIO_UNIQUE_ID_ALLOCATE AUDIO_SESSION_ALLOCATE
+
/* Audio sub formats (see enum audio_format). */

/* PCM sub formats */
typedef enum {
+ /* All of these are in native byte order */
AUDIO_FORMAT_PCM_SUB_16_BIT = 0x1, /* DO NOT CHANGE - PCM signed 16 bits */
AUDIO_FORMAT_PCM_SUB_8_BIT = 0x2, /* DO NOT CHANGE - PCM unsigned 8 bits */
AUDIO_FORMAT_PCM_SUB_32_BIT = 0x3, /* PCM signed .31 fixed point */
AUDIO_FORMAT_PCM_SUB_8_24_BIT = 0x4, /* PCM signed 7.24 fixed point */
+ AUDIO_FORMAT_PCM_SUB_FLOAT = 0x5, /* PCM single-precision floating point */
+ AUDIO_FORMAT_PCM_SUB_24_BIT_PACKED = 0x6, /* PCM signed .23 fixed point packed in 3 bytes */
} audio_format_pcm_sub_fmt_t;

+/* The audio_format_*_sub_fmt_t declarations are not currently used */
+
/* MP3 sub format field definition : can use 11 LSBs in the same way as MP3
* frame header to specify bit rate, stereo mode, version...
*/
@@ -121,7 +211,16 @@ typedef enum {

/* AAC sub format field definition: specify profile or bitrate for recording... */
typedef enum {
- AUDIO_FORMAT_AAC_SUB_NONE = 0x0,
+ AUDIO_FORMAT_AAC_SUB_MAIN = 0x1,
+ AUDIO_FORMAT_AAC_SUB_LC = 0x2,
+ AUDIO_FORMAT_AAC_SUB_SSR = 0x4,
+ AUDIO_FORMAT_AAC_SUB_LTP = 0x8,
+ AUDIO_FORMAT_AAC_SUB_HE_V1 = 0x10,
+ AUDIO_FORMAT_AAC_SUB_SCALABLE = 0x20,
+ AUDIO_FORMAT_AAC_SUB_ERLC = 0x40,
+ AUDIO_FORMAT_AAC_SUB_LD = 0x80,
+ AUDIO_FORMAT_AAC_SUB_HE_V2 = 0x100,
+ AUDIO_FORMAT_AAC_SUB_ELD = 0x200,
} audio_format_aac_sub_fmt_t;

/* VORBIS sub format field definition: specify quality for recording... */
@@ -129,7 +228,7 @@ typedef enum {
AUDIO_FORMAT_VORBIS_SUB_NONE = 0x0,
} audio_format_vorbis_sub_fmt_t;

-/* Audio format consists in a main format field (upper 8 bits) and a sub format
+/* Audio format consists of a main format field (upper 8 bits) and a sub format
* field (lower 24 bits).
*
* The main format indicates the main codec type. The sub format field
@@ -146,24 +245,65 @@ typedef enum {
AUDIO_FORMAT_AMR_NB = 0x02000000UL,
AUDIO_FORMAT_AMR_WB = 0x03000000UL,
AUDIO_FORMAT_AAC = 0x04000000UL,
- AUDIO_FORMAT_HE_AAC_V1 = 0x05000000UL,
- AUDIO_FORMAT_HE_AAC_V2 = 0x06000000UL,
+ AUDIO_FORMAT_HE_AAC_V1 = 0x05000000UL, /* Deprecated, Use AUDIO_FORMAT_AAC_HE_V1*/
+ AUDIO_FORMAT_HE_AAC_V2 = 0x06000000UL, /* Deprecated, Use AUDIO_FORMAT_AAC_HE_V2*/
AUDIO_FORMAT_VORBIS = 0x07000000UL,
+ AUDIO_FORMAT_OPUS = 0x08000000UL,
+ AUDIO_FORMAT_AC3 = 0x09000000UL,
+ AUDIO_FORMAT_E_AC3 = 0x0A000000UL,
AUDIO_FORMAT_MAIN_MASK = 0xFF000000UL,
AUDIO_FORMAT_SUB_MASK = 0x00FFFFFFUL,

/* Aliases */
+ /* note != AudioFormat.ENCODING_PCM_16BIT */
AUDIO_FORMAT_PCM_16_BIT = (AUDIO_FORMAT_PCM |
AUDIO_FORMAT_PCM_SUB_16_BIT),
+ /* note != AudioFormat.ENCODING_PCM_8BIT */
AUDIO_FORMAT_PCM_8_BIT = (AUDIO_FORMAT_PCM |
AUDIO_FORMAT_PCM_SUB_8_BIT),
AUDIO_FORMAT_PCM_32_BIT = (AUDIO_FORMAT_PCM |
AUDIO_FORMAT_PCM_SUB_32_BIT),
AUDIO_FORMAT_PCM_8_24_BIT = (AUDIO_FORMAT_PCM |
AUDIO_FORMAT_PCM_SUB_8_24_BIT),
+ AUDIO_FORMAT_PCM_FLOAT = (AUDIO_FORMAT_PCM |
+ AUDIO_FORMAT_PCM_SUB_FLOAT),
+ AUDIO_FORMAT_PCM_24_BIT_PACKED = (AUDIO_FORMAT_PCM |
+ AUDIO_FORMAT_PCM_SUB_24_BIT_PACKED),
+ AUDIO_FORMAT_AAC_MAIN = (AUDIO_FORMAT_AAC |
+ AUDIO_FORMAT_AAC_SUB_MAIN),
+ AUDIO_FORMAT_AAC_LC = (AUDIO_FORMAT_AAC |
+ AUDIO_FORMAT_AAC_SUB_LC),
+ AUDIO_FORMAT_AAC_SSR = (AUDIO_FORMAT_AAC |
+ AUDIO_FORMAT_AAC_SUB_SSR),
+ AUDIO_FORMAT_AAC_LTP = (AUDIO_FORMAT_AAC |
+ AUDIO_FORMAT_AAC_SUB_LTP),
+ AUDIO_FORMAT_AAC_HE_V1 = (AUDIO_FORMAT_AAC |
+ AUDIO_FORMAT_AAC_SUB_HE_V1),
+ AUDIO_FORMAT_AAC_SCALABLE = (AUDIO_FORMAT_AAC |
+ AUDIO_FORMAT_AAC_SUB_SCALABLE),
+ AUDIO_FORMAT_AAC_ERLC = (AUDIO_FORMAT_AAC |
+ AUDIO_FORMAT_AAC_SUB_ERLC),
+ AUDIO_FORMAT_AAC_LD = (AUDIO_FORMAT_AAC |
+ AUDIO_FORMAT_AAC_SUB_LD),
+ AUDIO_FORMAT_AAC_HE_V2 = (AUDIO_FORMAT_AAC |
+ AUDIO_FORMAT_AAC_SUB_HE_V2),
+ AUDIO_FORMAT_AAC_ELD = (AUDIO_FORMAT_AAC |
+ AUDIO_FORMAT_AAC_SUB_ELD),
} audio_format_t;

+/* For the channel mask for position assignment representation */
enum {
+
+/* These can be a complete audio_channel_mask_t. */
+
+ AUDIO_CHANNEL_NONE = 0x0,
+ AUDIO_CHANNEL_INVALID = 0xC0000000,
+
+/* These can be the bits portion of an audio_channel_mask_t
+ * with representation AUDIO_CHANNEL_REPRESENTATION_POSITION.
+ * Using these bits as a complete audio_channel_mask_t is deprecated.
+ */
+
/* output channels */
AUDIO_CHANNEL_OUT_FRONT_LEFT = 0x1,
AUDIO_CHANNEL_OUT_FRONT_RIGHT = 0x2,
@@ -184,6 +324,8 @@ enum {
AUDIO_CHANNEL_OUT_TOP_BACK_CENTER = 0x10000,
AUDIO_CHANNEL_OUT_TOP_BACK_RIGHT = 0x20000,

+/* TODO: should these be considered complete channel masks, or only bits? */
+
AUDIO_CHANNEL_OUT_MONO = AUDIO_CHANNEL_OUT_FRONT_LEFT,
AUDIO_CHANNEL_OUT_STEREO = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
AUDIO_CHANNEL_OUT_FRONT_RIGHT),
@@ -191,16 +333,26 @@ enum {
AUDIO_CHANNEL_OUT_FRONT_RIGHT |
AUDIO_CHANNEL_OUT_BACK_LEFT |
AUDIO_CHANNEL_OUT_BACK_RIGHT),
- AUDIO_CHANNEL_OUT_SURROUND = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
+ AUDIO_CHANNEL_OUT_QUAD_BACK = AUDIO_CHANNEL_OUT_QUAD,
+ /* like AUDIO_CHANNEL_OUT_QUAD_BACK with *_SIDE_* instead of *_BACK_* */
+ AUDIO_CHANNEL_OUT_QUAD_SIDE = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
AUDIO_CHANNEL_OUT_FRONT_RIGHT |
- AUDIO_CHANNEL_OUT_FRONT_CENTER |
- AUDIO_CHANNEL_OUT_BACK_CENTER),
+ AUDIO_CHANNEL_OUT_SIDE_LEFT |
+ AUDIO_CHANNEL_OUT_SIDE_RIGHT),
AUDIO_CHANNEL_OUT_5POINT1 = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
AUDIO_CHANNEL_OUT_FRONT_RIGHT |
AUDIO_CHANNEL_OUT_FRONT_CENTER |
AUDIO_CHANNEL_OUT_LOW_FREQUENCY |
AUDIO_CHANNEL_OUT_BACK_LEFT |
AUDIO_CHANNEL_OUT_BACK_RIGHT),
+ AUDIO_CHANNEL_OUT_5POINT1_BACK = AUDIO_CHANNEL_OUT_5POINT1,
+ /* like AUDIO_CHANNEL_OUT_5POINT1_BACK with *_SIDE_* instead of *_BACK_* */
+ AUDIO_CHANNEL_OUT_5POINT1_SIDE = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
+ AUDIO_CHANNEL_OUT_FRONT_RIGHT |
+ AUDIO_CHANNEL_OUT_FRONT_CENTER |
+ AUDIO_CHANNEL_OUT_LOW_FREQUENCY |
+ AUDIO_CHANNEL_OUT_SIDE_LEFT |
+ AUDIO_CHANNEL_OUT_SIDE_RIGHT),
// matches the correct AudioFormat.CHANNEL_OUT_7POINT1_SURROUND definition for 7.1
AUDIO_CHANNEL_OUT_7POINT1 = (AUDIO_CHANNEL_OUT_FRONT_LEFT |
AUDIO_CHANNEL_OUT_FRONT_RIGHT |
@@ -229,6 +381,8 @@ enum {
AUDIO_CHANNEL_OUT_TOP_BACK_CENTER|
AUDIO_CHANNEL_OUT_TOP_BACK_RIGHT),

+/* These are bits only, not complete values */
+
/* input channels */
AUDIO_CHANNEL_IN_LEFT = 0x4,
AUDIO_CHANNEL_IN_RIGHT = 0x8,
@@ -245,6 +399,8 @@ enum {
AUDIO_CHANNEL_IN_VOICE_UPLINK = 0x4000,
AUDIO_CHANNEL_IN_VOICE_DNLINK = 0x8000,

+/* TODO: should these be considered complete channel masks, or only bits, or deprecated? */
+
AUDIO_CHANNEL_IN_MONO = AUDIO_CHANNEL_IN_FRONT,
AUDIO_CHANNEL_IN_STEREO = (AUDIO_CHANNEL_IN_LEFT | AUDIO_CHANNEL_IN_RIGHT),
AUDIO_CHANNEL_IN_FRONT_BACK = (AUDIO_CHANNEL_IN_FRONT | AUDIO_CHANNEL_IN_BACK),
@@ -264,8 +420,111 @@ enum {
AUDIO_CHANNEL_IN_VOICE_DNLINK),
};

+/* A channel mask per se only defines the presence or absence of a channel, not the order.
+ * But see AUDIO_INTERLEAVE_* below for the platform convention of order.
+ *
+ * audio_channel_mask_t is an opaque type and its internal layout should not
+ * be assumed as it may change in the future.
+ * Instead, always use the functions declared in this header to examine.
+ *
+ * These are the current representations:
+ *
+ * AUDIO_CHANNEL_REPRESENTATION_POSITION
+ * is a channel mask representation for position assignment.
+ * Each low-order bit corresponds to the spatial position of a transducer (output),
+ * or interpretation of channel (input).
+ * The user of a channel mask needs to know the context of whether it is for output or input.
+ * The constants AUDIO_CHANNEL_OUT_* or AUDIO_CHANNEL_IN_* apply to the bits portion.
+ * It is not permitted for no bits to be set.
+ *
+ * AUDIO_CHANNEL_REPRESENTATION_INDEX
+ * is a channel mask representation for index assignment.
+ * Each low-order bit corresponds to a selected channel.
+ * There is no platform interpretation of the various bits.
+ * There is no concept of output or input.
+ * It is not permitted for no bits to be set.
+ *
+ * All other representations are reserved for future use.
+ *
+ * Warning: current representation distinguishes between input and output, but this will not the be
+ * case in future revisions of the platform. Wherever there is an ambiguity between input and output
+ * that is currently resolved by checking the channel mask, the implementer should look for ways to
+ * fix it with additional information outside of the mask.
+ */
typedef uint32_t audio_channel_mask_t;

+/* Maximum number of channels for all representations */
+#define AUDIO_CHANNEL_COUNT_MAX 30
+
+/* log(2) of maximum number of representations, not part of public API */
+#define AUDIO_CHANNEL_REPRESENTATION_LOG2 2
+
+/* Representations */
+typedef enum {
+ AUDIO_CHANNEL_REPRESENTATION_POSITION = 0, // must be zero for compatibility
+ // 1 is reserved for future use
+ AUDIO_CHANNEL_REPRESENTATION_INDEX = 2,
+ // 3 is reserved for future use
+} audio_channel_representation_t;
+
+/* The return value is undefined if the channel mask is invalid. */
+static inline uint32_t audio_channel_mask_get_bits(audio_channel_mask_t channel)
+{
+ return channel & ((1 << AUDIO_CHANNEL_COUNT_MAX) - 1);
+}
+
+/* The return value is undefined if the channel mask is invalid. */
+static inline audio_channel_representation_t audio_channel_mask_get_representation(
+ audio_channel_mask_t channel)
+{
+ // The right shift should be sufficient, but also "and" for safety in case mask is not 32 bits
+ return (audio_channel_representation_t)
+ ((channel >> AUDIO_CHANNEL_COUNT_MAX) & ((1 << AUDIO_CHANNEL_REPRESENTATION_LOG2) - 1));
+}
+
+/* Returns true if the channel mask is valid,
+ * or returns false for AUDIO_CHANNEL_NONE, AUDIO_CHANNEL_INVALID, and other invalid values.
+ * This function is unable to determine whether a channel mask for position assignment
+ * is invalid because an output mask has an invalid output bit set,
+ * or because an input mask has an invalid input bit set.
+ * All other APIs that take a channel mask assume that it is valid.
+ */
+static inline bool audio_channel_mask_is_valid(audio_channel_mask_t channel)
+{
+ uint32_t bits = audio_channel_mask_get_bits(channel);
+ audio_channel_representation_t representation = audio_channel_mask_get_representation(channel);
+ switch (representation) {
+ case AUDIO_CHANNEL_REPRESENTATION_POSITION:
+ case AUDIO_CHANNEL_REPRESENTATION_INDEX:
+ break;
+ default:
+ bits = 0;
+ break;
+ }
+ return bits != 0;
+}
+
+/* Not part of public API */
+static inline audio_channel_mask_t audio_channel_mask_from_representation_and_bits(
+ audio_channel_representation_t representation, uint32_t bits)
+{
+ return (audio_channel_mask_t) ((representation << AUDIO_CHANNEL_COUNT_MAX) | bits);
+}
+
+/* Expresses the convention when stereo audio samples are stored interleaved
+ * in an array. This should improve readability by allowing code to use
+ * symbolic indices instead of hard-coded [0] and [1].
+ *
+ * For multi-channel beyond stereo, the platform convention is that channels
+ * are interleaved in order from least significant channel mask bit
+ * to most significant channel mask bit, with unused bits skipped.
+ * Any exceptions to this convention will be noted at the appropriate API.
+ */
+enum {
+ AUDIO_INTERLEAVE_LEFT = 0,
+ AUDIO_INTERLEAVE_RIGHT = 1,
+};
+
typedef enum {
AUDIO_MODE_INVALID = -2,
AUDIO_MODE_CURRENT = -1,
@@ -278,7 +537,9 @@ typedef enum {
AUDIO_MODE_MAX = AUDIO_MODE_CNT - 1,
} audio_mode_t;

+/* This enum is deprecated */
typedef enum {
+ AUDIO_IN_ACOUSTICS_NONE = 0,
AUDIO_IN_ACOUSTICS_AGC_ENABLE = 0x0001,
AUDIO_IN_ACOUSTICS_AGC_DISABLE = 0,
AUDIO_IN_ACOUSTICS_NS_ENABLE = 0x0002,
@@ -304,11 +565,29 @@ enum {
AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES = 0x100,
AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER = 0x200,
AUDIO_DEVICE_OUT_AUX_DIGITAL = 0x400,
+ AUDIO_DEVICE_OUT_HDMI = AUDIO_DEVICE_OUT_AUX_DIGITAL,
+ /* uses an analog connection (multiplexed over the USB connector pins for instance) */
AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET = 0x800,
AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET = 0x1000,
+ /* USB accessory mode: your Android device is a USB device and the dock is a USB host */
AUDIO_DEVICE_OUT_USB_ACCESSORY = 0x2000,
+ /* USB host mode: your Android device is a USB host and the dock is a USB device */
AUDIO_DEVICE_OUT_USB_DEVICE = 0x4000,
AUDIO_DEVICE_OUT_REMOTE_SUBMIX = 0x8000,
+ /* Telephony voice TX path */
+ AUDIO_DEVICE_OUT_TELEPHONY_TX = 0x10000,
+ /* Analog jack with line impedance detected */
+ AUDIO_DEVICE_OUT_LINE = 0x20000,
+ /* HDMI Audio Return Channel */
+ AUDIO_DEVICE_OUT_HDMI_ARC = 0x40000,
+ /* S/PDIF out */
+ AUDIO_DEVICE_OUT_SPDIF = 0x80000,
+ /* FM transmitter out */
+ AUDIO_DEVICE_OUT_FM = 0x100000,
+ /* Line out for av devices */
+ AUDIO_DEVICE_OUT_AUX_LINE = 0x200000,
+ /* limited-output speaker device for acoustic safety */
+ AUDIO_DEVICE_OUT_SPEAKER_SAFE = 0x400000,
AUDIO_DEVICE_OUT_DEFAULT = AUDIO_DEVICE_BIT_DEFAULT,
AUDIO_DEVICE_OUT_ALL = (AUDIO_DEVICE_OUT_EARPIECE |
AUDIO_DEVICE_OUT_SPEAKER |
@@ -320,12 +599,19 @@ enum {
AUDIO_DEVICE_OUT_BLUETOOTH_A2DP |
AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES |
AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER |
- AUDIO_DEVICE_OUT_AUX_DIGITAL |
+ AUDIO_DEVICE_OUT_HDMI |
AUDIO_DEVICE_OUT_ANLG_DOCK_HEADSET |
AUDIO_DEVICE_OUT_DGTL_DOCK_HEADSET |
AUDIO_DEVICE_OUT_USB_ACCESSORY |
AUDIO_DEVICE_OUT_USB_DEVICE |
AUDIO_DEVICE_OUT_REMOTE_SUBMIX |
+ AUDIO_DEVICE_OUT_TELEPHONY_TX |
+ AUDIO_DEVICE_OUT_LINE |
+ AUDIO_DEVICE_OUT_HDMI_ARC |
+ AUDIO_DEVICE_OUT_SPDIF |
+ AUDIO_DEVICE_OUT_FM |
+ AUDIO_DEVICE_OUT_AUX_LINE |
+ AUDIO_DEVICE_OUT_SPEAKER_SAFE |
AUDIO_DEVICE_OUT_DEFAULT),
AUDIO_DEVICE_OUT_ALL_A2DP = (AUDIO_DEVICE_OUT_BLUETOOTH_A2DP |
AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES |
@@ -343,13 +629,26 @@ enum {
AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET = AUDIO_DEVICE_BIT_IN | 0x8,
AUDIO_DEVICE_IN_WIRED_HEADSET = AUDIO_DEVICE_BIT_IN | 0x10,
AUDIO_DEVICE_IN_AUX_DIGITAL = AUDIO_DEVICE_BIT_IN | 0x20,
+ AUDIO_DEVICE_IN_HDMI = AUDIO_DEVICE_IN_AUX_DIGITAL,
+ /* Telephony voice RX path */
AUDIO_DEVICE_IN_VOICE_CALL = AUDIO_DEVICE_BIT_IN | 0x40,
+ AUDIO_DEVICE_IN_TELEPHONY_RX = AUDIO_DEVICE_IN_VOICE_CALL,
AUDIO_DEVICE_IN_BACK_MIC = AUDIO_DEVICE_BIT_IN | 0x80,
AUDIO_DEVICE_IN_REMOTE_SUBMIX = AUDIO_DEVICE_BIT_IN | 0x100,
AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET = AUDIO_DEVICE_BIT_IN | 0x200,
AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET = AUDIO_DEVICE_BIT_IN | 0x400,
AUDIO_DEVICE_IN_USB_ACCESSORY = AUDIO_DEVICE_BIT_IN | 0x800,
AUDIO_DEVICE_IN_USB_DEVICE = AUDIO_DEVICE_BIT_IN | 0x1000,
+ /* FM tuner input */
+ AUDIO_DEVICE_IN_FM_TUNER = AUDIO_DEVICE_BIT_IN | 0x2000,
+ /* TV tuner input */
+ AUDIO_DEVICE_IN_TV_TUNER = AUDIO_DEVICE_BIT_IN | 0x4000,
+ /* Analog jack with line impedance detected */
+ AUDIO_DEVICE_IN_LINE = AUDIO_DEVICE_BIT_IN | 0x8000,
+ /* S/PDIF in */
+ AUDIO_DEVICE_IN_SPDIF = AUDIO_DEVICE_BIT_IN | 0x10000,
+ AUDIO_DEVICE_IN_BLUETOOTH_A2DP = AUDIO_DEVICE_BIT_IN | 0x20000,
+ AUDIO_DEVICE_IN_LOOPBACK = AUDIO_DEVICE_BIT_IN | 0x40000,
AUDIO_DEVICE_IN_DEFAULT = AUDIO_DEVICE_BIT_IN | AUDIO_DEVICE_BIT_DEFAULT,

AUDIO_DEVICE_IN_ALL = (AUDIO_DEVICE_IN_COMMUNICATION |
@@ -357,16 +656,24 @@ enum {
AUDIO_DEVICE_IN_BUILTIN_MIC |
AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET |
AUDIO_DEVICE_IN_WIRED_HEADSET |
- AUDIO_DEVICE_IN_AUX_DIGITAL |
- AUDIO_DEVICE_IN_VOICE_CALL |
+ AUDIO_DEVICE_IN_HDMI |
+ AUDIO_DEVICE_IN_TELEPHONY_RX |
AUDIO_DEVICE_IN_BACK_MIC |
AUDIO_DEVICE_IN_REMOTE_SUBMIX |
AUDIO_DEVICE_IN_ANLG_DOCK_HEADSET |
AUDIO_DEVICE_IN_DGTL_DOCK_HEADSET |
AUDIO_DEVICE_IN_USB_ACCESSORY |
AUDIO_DEVICE_IN_USB_DEVICE |
+ AUDIO_DEVICE_IN_FM_TUNER |
+ AUDIO_DEVICE_IN_TV_TUNER |
+ AUDIO_DEVICE_IN_LINE |
+ AUDIO_DEVICE_IN_SPDIF |
+ AUDIO_DEVICE_IN_BLUETOOTH_A2DP |
+ AUDIO_DEVICE_IN_LOOPBACK |
AUDIO_DEVICE_IN_DEFAULT),
AUDIO_DEVICE_IN_ALL_SCO = AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET,
+ AUDIO_DEVICE_IN_ALL_USB = (AUDIO_DEVICE_IN_USB_ACCESSORY |
+ AUDIO_DEVICE_IN_USB_DEVICE),
};

typedef uint32_t audio_devices_t;
@@ -394,7 +701,8 @@ typedef enum {
AUDIO_OUTPUT_FLAG_DEEP_BUFFER = 0x8, // use deep audio buffers
AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD = 0x10, // offload playback of compressed
// streams to hardware codec
- AUDIO_OUTPUT_FLAG_NON_BLOCKING = 0x20 // use non-blocking write
+ AUDIO_OUTPUT_FLAG_NON_BLOCKING = 0x20, // use non-blocking write
+ AUDIO_OUTPUT_FLAG_HW_AV_SYNC = 0x40 // output uses a hardware A/V synchronization source
} audio_output_flags_t;

/* The audio input flags are analogous to audio output flags.
@@ -403,8 +711,9 @@ typedef enum {
* attributes corresponding to the specified flags.
*/
typedef enum {
- AUDIO_INPUT_FLAG_NONE = 0x0, // no attributes
- AUDIO_INPUT_FLAG_FAST = 0x1, // prefer an input that supports "fast tracks"
+ AUDIO_INPUT_FLAG_NONE = 0x0, // no attributes
+ AUDIO_INPUT_FLAG_FAST = 0x1, // prefer an input that supports "fast tracks"
+ AUDIO_INPUT_FLAG_HW_HOTWORD = 0x2, // prefer an input that captures from hw hotword source
} audio_input_flags_t;

/* Additional information about compressed streams offloaded to
@@ -434,8 +743,274 @@ typedef struct {
static const audio_offload_info_t AUDIO_INFO_INITIALIZER = {
version: AUDIO_OFFLOAD_INFO_VERSION_CURRENT,
size: sizeof(audio_offload_info_t),
+ sample_rate: 0,
+ channel_mask: 0,
+ format: AUDIO_FORMAT_DEFAULT,
+ stream_type: AUDIO_STREAM_VOICE_CALL,
+ bit_rate: 0,
+ duration_us: 0,
+ has_video: false,
+ is_streaming: false
+};
+
+/* common audio stream configuration parameters
+ * You should memset() the entire structure to zero before use to
+ * ensure forward compatibility
+ */
+struct audio_config {
+ uint32_t sample_rate;
+ audio_channel_mask_t channel_mask;
+ audio_format_t format;
+ audio_offload_info_t offload_info;
+ size_t frame_count;
+};
+typedef struct audio_config audio_config_t;
+
+static const audio_config_t AUDIO_CONFIG_INITIALIZER = {
+ sample_rate: 0,
+ channel_mask: AUDIO_CHANNEL_NONE,
+ format: AUDIO_FORMAT_DEFAULT,
+ offload_info: {
+ version: AUDIO_OFFLOAD_INFO_VERSION_CURRENT,
+ size: sizeof(audio_offload_info_t),
+ sample_rate: 0,
+ channel_mask: 0,
+ format: AUDIO_FORMAT_DEFAULT,
+ stream_type: AUDIO_STREAM_VOICE_CALL,
+ bit_rate: 0,
+ duration_us: 0,
+ has_video: false,
+ is_streaming: false
+ },
+ frame_count: 0,
+};
+
+
+/* audio hw module handle functions or structures referencing a module */
+typedef int audio_module_handle_t;
+
+/******************************
+ * Volume control
+ *****************************/
+
+/* If the audio hardware supports gain control on some audio paths,
+ * the platform can expose them in the audio_policy.conf file. The audio HAL
+ * will then implement gain control functions that will use the following data
+ * structures. */
+
+/* Type of gain control exposed by an audio port */
+#define AUDIO_GAIN_MODE_JOINT 0x1 /* supports joint channel gain control */
+#define AUDIO_GAIN_MODE_CHANNELS 0x2 /* supports separate channel gain control */
+#define AUDIO_GAIN_MODE_RAMP 0x4 /* supports gain ramps */
+
+typedef uint32_t audio_gain_mode_t;
+
+
+/* An audio_gain struct is a representation of a gain stage.
+ * A gain stage is always attached to an audio port. */
+struct audio_gain {
+ audio_gain_mode_t mode; /* e.g. AUDIO_GAIN_MODE_JOINT */
+ audio_channel_mask_t channel_mask; /* channels which gain an be controlled.
+ N/A if AUDIO_GAIN_MODE_CHANNELS is not supported */
+ int min_value; /* minimum gain value in millibels */
+ int max_value; /* maximum gain value in millibels */
+ int default_value; /* default gain value in millibels */
+ unsigned int step_value; /* gain step in millibels */
+ unsigned int min_ramp_ms; /* minimum ramp duration in ms */
+ unsigned int max_ramp_ms; /* maximum ramp duration in ms */
+};
+
+/* The gain configuration structure is used to get or set the gain values of a
+ * given port */
+struct audio_gain_config {
+ int index; /* index of the corresponding audio_gain in the
+ audio_port gains[] table */
+ audio_gain_mode_t mode; /* mode requested for this command */
+ audio_channel_mask_t channel_mask; /* channels which gain value follows.
+ N/A in joint mode */
+ int values[sizeof(audio_channel_mask_t) * 8]; /* gain values in millibels
+ for each channel ordered from LSb to MSb in
+ channel mask. The number of values is 1 in joint
+ mode or popcount(channel_mask) */
+ unsigned int ramp_duration_ms; /* ramp duration in ms */
+};
+
+/******************************
+ * Routing control
+ *****************************/
+
+/* Types defined here are used to describe an audio source or sink at internal
+ * framework interfaces (audio policy, patch panel) or at the audio HAL.
+ * Sink and sources are grouped in a concept of “audio port” representing an
+ * audio end point at the edge of the system managed by the module exposing
+ * the interface. */
+
+/* Audio port role: either source or sink */
+typedef enum {
+ AUDIO_PORT_ROLE_NONE,
+ AUDIO_PORT_ROLE_SOURCE,
+ AUDIO_PORT_ROLE_SINK,
+} audio_port_role_t;
+
+/* Audio port type indicates if it is a session (e.g AudioTrack),
+ * a mix (e.g PlaybackThread output) or a physical device
+ * (e.g AUDIO_DEVICE_OUT_SPEAKER) */
+typedef enum {
+ AUDIO_PORT_TYPE_NONE,
+ AUDIO_PORT_TYPE_DEVICE,
+ AUDIO_PORT_TYPE_MIX,
+ AUDIO_PORT_TYPE_SESSION,
+} audio_port_type_t;
+
+/* Each port has a unique ID or handle allocated by policy manager */
+typedef int audio_port_handle_t;
+#define AUDIO_PORT_HANDLE_NONE 0
+
+
+/* maximum audio device address length */
+#define AUDIO_DEVICE_MAX_ADDRESS_LEN 32
+
+/* extension for audio port configuration structure when the audio port is a
+ * hardware device */
+struct audio_port_config_device_ext {
+ audio_module_handle_t hw_module; /* module the device is attached to */
+ audio_devices_t type; /* device type (e.g AUDIO_DEVICE_OUT_SPEAKER) */
+ char address[AUDIO_DEVICE_MAX_ADDRESS_LEN]; /* device address. "" if N/A */
+};
+
+/* extension for audio port configuration structure when the audio port is a
+ * sub mix */
+struct audio_port_config_mix_ext {
+ audio_module_handle_t hw_module; /* module the stream is attached to */
+ audio_io_handle_t handle; /* I/O handle of the input/output stream */
+ union {
+ //TODO: change use case for output streams: use strategy and mixer attributes
+ audio_stream_type_t stream;
+ audio_source_t source;
+ } usecase;
+};
+
+/* extension for audio port configuration structure when the audio port is an
+ * audio session */
+struct audio_port_config_session_ext {
+ audio_session_t session; /* audio session */
+};
+
+/* Flags indicating which fields are to be considered in struct audio_port_config */
+#define AUDIO_PORT_CONFIG_SAMPLE_RATE 0x1
+#define AUDIO_PORT_CONFIG_CHANNEL_MASK 0x2
+#define AUDIO_PORT_CONFIG_FORMAT 0x4
+#define AUDIO_PORT_CONFIG_GAIN 0x8
+#define AUDIO_PORT_CONFIG_ALL (AUDIO_PORT_CONFIG_SAMPLE_RATE | \
+ AUDIO_PORT_CONFIG_CHANNEL_MASK | \
+ AUDIO_PORT_CONFIG_FORMAT | \
+ AUDIO_PORT_CONFIG_GAIN)
+
+/* audio port configuration structure used to specify a particular configuration of
+ * an audio port */
+struct audio_port_config {
+ audio_port_handle_t id; /* port unique ID */
+ audio_port_role_t role; /* sink or source */
+ audio_port_type_t type; /* device, mix ... */
+ unsigned int config_mask; /* e.g AUDIO_PORT_CONFIG_ALL */
+ unsigned int sample_rate; /* sampling rate in Hz */
+ audio_channel_mask_t channel_mask; /* channel mask if applicable */
+ audio_format_t format; /* format if applicable */
+ struct audio_gain_config gain; /* gain to apply if applicable */
+ union {
+ struct audio_port_config_device_ext device; /* device specific info */
+ struct audio_port_config_mix_ext mix; /* mix specific info */
+ struct audio_port_config_session_ext session; /* session specific info */
+ } ext;
+};
+
+
+/* max number of sampling rates in audio port */
+#define AUDIO_PORT_MAX_SAMPLING_RATES 16
+/* max number of channel masks in audio port */
+#define AUDIO_PORT_MAX_CHANNEL_MASKS 16
+/* max number of audio formats in audio port */
+#define AUDIO_PORT_MAX_FORMATS 16
+/* max number of gain controls in audio port */
+#define AUDIO_PORT_MAX_GAINS 16
+
+/* extension for audio port structure when the audio port is a hardware device */
+struct audio_port_device_ext {
+ audio_module_handle_t hw_module; /* module the device is attached to */
+ audio_devices_t type; /* device type (e.g AUDIO_DEVICE_OUT_SPEAKER) */
+ char address[AUDIO_DEVICE_MAX_ADDRESS_LEN];
+};
+
+/* Latency class of the audio mix */
+typedef enum {
+ AUDIO_LATENCY_LOW,
+ AUDIO_LATENCY_NORMAL,
+} audio_mix_latency_class_t;
+
+/* extension for audio port structure when the audio port is a sub mix */
+struct audio_port_mix_ext {
+ audio_module_handle_t hw_module; /* module the stream is attached to */
+ audio_io_handle_t handle; /* I/O handle of the input.output stream */
+ audio_mix_latency_class_t latency_class; /* latency class */
+ // other attributes: routing strategies
+};
+
+/* extension for audio port structure when the audio port is an audio session */
+struct audio_port_session_ext {
+ audio_session_t session; /* audio session */
+};
+
+
+struct audio_port {
+ audio_port_handle_t id; /* port unique ID */
+ audio_port_role_t role; /* sink or source */
+ audio_port_type_t type; /* device, mix ... */
+ unsigned int num_sample_rates; /* number of sampling rates in following array */
+ unsigned int sample_rates[AUDIO_PORT_MAX_SAMPLING_RATES];
+ unsigned int num_channel_masks; /* number of channel masks in following array */
+ audio_channel_mask_t channel_masks[AUDIO_PORT_MAX_CHANNEL_MASKS];
+ unsigned int num_formats; /* number of formats in following array */
+ audio_format_t formats[AUDIO_PORT_MAX_FORMATS];
+ unsigned int num_gains; /* number of gains in following array */
+ struct audio_gain gains[AUDIO_PORT_MAX_GAINS];
+ struct audio_port_config active_config; /* current audio port configuration */
+ union {
+ struct audio_port_device_ext device;
+ struct audio_port_mix_ext mix;
+ struct audio_port_session_ext session;
+ } ext;
+};
+
+/* An audio patch represents a connection between one or more source ports and
+ * one or more sink ports. Patches are connected and disconnected by audio policy manager or by
+ * applications via framework APIs.
+ * Each patch is identified by a handle at the interface used to create that patch. For instance,
+ * when a patch is created by the audio HAL, the HAL allocates and returns a handle.
+ * This handle is unique to a given audio HAL hardware module.
+ * But the same patch receives another system wide unique handle allocated by the framework.
+ * This unique handle is used for all transactions inside the framework.
+ */
+typedef int audio_patch_handle_t;
+#define AUDIO_PATCH_HANDLE_NONE 0
+
+#define AUDIO_PATCH_PORTS_MAX 16
+
+struct audio_patch {
+ audio_patch_handle_t id; /* patch unique ID */
+ unsigned int num_sources; /* number of sources in following array */
+ struct audio_port_config sources[AUDIO_PATCH_PORTS_MAX];
+ unsigned int num_sinks; /* number of sinks in following array */
+ struct audio_port_config sinks[AUDIO_PATCH_PORTS_MAX];
};

+
+
+/* a HW synchronization source returned by the audio HAL */
+typedef uint32_t audio_hw_sync_t;
+
+/* an invalid HW synchronization source indicating an error */
+#define AUDIO_HW_SYNC_INVALID 0
+
static inline bool audio_is_output_device(audio_devices_t device)
{
if (((device & AUDIO_DEVICE_BIT_IN) == 0) &&
@@ -460,8 +1035,17 @@ static inline bool audio_is_output_devices(audio_devices_t device)
return (device & AUDIO_DEVICE_BIT_IN) == 0;
}

+static inline bool audio_is_a2dp_in_device(audio_devices_t device)
+{
+ if ((device & AUDIO_DEVICE_BIT_IN) != 0) {
+ device &= ~AUDIO_DEVICE_BIT_IN;
+ if ((popcount(device) == 1) && (device & AUDIO_DEVICE_IN_BLUETOOTH_A2DP))
+ return true;
+ }
+ return false;
+}

-static inline bool audio_is_a2dp_device(audio_devices_t device)
+static inline bool audio_is_a2dp_out_device(audio_devices_t device)
{
if ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_ALL_A2DP))
return true;
@@ -469,22 +1053,45 @@ static inline bool audio_is_a2dp_device(audio_devices_t device)
return false;
}

+// Deprecated - use audio_is_a2dp_out_device() instead
+static inline bool audio_is_a2dp_device(audio_devices_t device)
+{
+ return audio_is_a2dp_out_device(device);
+}
+
static inline bool audio_is_bluetooth_sco_device(audio_devices_t device)
{
- device &= ~AUDIO_DEVICE_BIT_IN;
- if ((popcount(device) == 1) && (device & (AUDIO_DEVICE_OUT_ALL_SCO |
- AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET)))
- return true;
- else
- return false;
+ if ((device & AUDIO_DEVICE_BIT_IN) == 0) {
+ if ((popcount(device) == 1) && ((device & ~AUDIO_DEVICE_OUT_ALL_SCO) == 0))
+ return true;
+ } else {
+ device &= ~AUDIO_DEVICE_BIT_IN;
+ if ((popcount(device) == 1) && ((device & ~AUDIO_DEVICE_IN_BLUETOOTH_SCO_HEADSET) == 0))
+ return true;
+ }
+
+ return false;
}

+static inline bool audio_is_usb_out_device(audio_devices_t device)
+{
+ return ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_ALL_USB));
+}
+
+static inline bool audio_is_usb_in_device(audio_devices_t device)
+{
+ if ((device & AUDIO_DEVICE_BIT_IN) != 0) {
+ device &= ~AUDIO_DEVICE_BIT_IN;
+ if (popcount(device) == 1 && (device & AUDIO_DEVICE_IN_ALL_USB) != 0)
+ return true;
+ }
+ return false;
+}
+
+/* OBSOLETE - use audio_is_usb_out_device() instead. */
static inline bool audio_is_usb_device(audio_devices_t device)
{
- if ((popcount(device) == 1) && (device & AUDIO_DEVICE_OUT_ALL_USB))
- return true;
- else
- return false;
+ return audio_is_usb_out_device(device);
}

static inline bool audio_is_remote_submix_device(audio_devices_t device)
@@ -496,75 +1103,200 @@ static inline bool audio_is_remote_submix_device(audio_devices_t device)
return false;
}

+/* Returns true if:
+ * representation is valid, and
+ * there is at least one channel bit set which _could_ correspond to an input channel, and
+ * there are no channel bits set which could _not_ correspond to an input channel.
+ * Otherwise returns false.
+ */
static inline bool audio_is_input_channel(audio_channel_mask_t channel)
{
- if ((channel & ~AUDIO_CHANNEL_IN_ALL) == 0)
- return channel != 0;
- else
+ uint32_t bits = audio_channel_mask_get_bits(channel);
+ switch (audio_channel_mask_get_representation(channel)) {
+ case AUDIO_CHANNEL_REPRESENTATION_POSITION:
+ if (bits & ~AUDIO_CHANNEL_IN_ALL) {
+ bits = 0;
+ }
+ // fall through
+ case AUDIO_CHANNEL_REPRESENTATION_INDEX:
+ return bits != 0;
+ default:
return false;
+ }
}

+/* Returns true if:
+ * representation is valid, and
+ * there is at least one channel bit set which _could_ correspond to an output channel, and
+ * there are no channel bits set which could _not_ correspond to an output channel.
+ * Otherwise returns false.
+ */
static inline bool audio_is_output_channel(audio_channel_mask_t channel)
{
- if ((channel & ~AUDIO_CHANNEL_OUT_ALL) == 0)
- return channel != 0;
- else
+ uint32_t bits = audio_channel_mask_get_bits(channel);
+ switch (audio_channel_mask_get_representation(channel)) {
+ case AUDIO_CHANNEL_REPRESENTATION_POSITION:
+ if (bits & ~AUDIO_CHANNEL_OUT_ALL) {
+ bits = 0;
+ }
+ // fall through
+ case AUDIO_CHANNEL_REPRESENTATION_INDEX:
+ return bits != 0;
+ default:
return false;
+ }
}

-/* Derive an output channel mask from a channel count.
+/* Returns the number of channels from an input channel mask,
+ * used in the context of audio input or recording.
+ * If a channel bit is set which could _not_ correspond to an input channel,
+ * it is excluded from the count.
+ * Returns zero if the representation is invalid.
+ */
+static inline uint32_t audio_channel_count_from_in_mask(audio_channel_mask_t channel)
+{
+ uint32_t bits = audio_channel_mask_get_bits(channel);
+ switch (audio_channel_mask_get_representation(channel)) {
+ case AUDIO_CHANNEL_REPRESENTATION_POSITION:
+ // TODO: We can now merge with from_out_mask and remove anding
+ bits &= AUDIO_CHANNEL_IN_ALL;
+ // fall through
+ case AUDIO_CHANNEL_REPRESENTATION_INDEX:
+ return popcount(bits);
+ default:
+ return 0;
+ }
+}
+
+/* Returns the number of channels from an output channel mask,
+ * used in the context of audio output or playback.
+ * If a channel bit is set which could _not_ correspond to an output channel,
+ * it is excluded from the count.
+ * Returns zero if the representation is invalid.
+ */
+static inline uint32_t audio_channel_count_from_out_mask(audio_channel_mask_t channel)
+{
+ uint32_t bits = audio_channel_mask_get_bits(channel);
+ switch (audio_channel_mask_get_representation(channel)) {
+ case AUDIO_CHANNEL_REPRESENTATION_POSITION:
+ // TODO: We can now merge with from_in_mask and remove anding
+ bits &= AUDIO_CHANNEL_OUT_ALL;
+ // fall through
+ case AUDIO_CHANNEL_REPRESENTATION_INDEX:
+ return popcount(bits);
+ default:
+ return 0;
+ }
+}
+
+/* Derive an output channel mask for position assignment from a channel count.
* This is to be used when the content channel mask is unknown. The 1, 2, 4, 5, 6, 7 and 8 channel
* cases are mapped to the standard game/home-theater layouts, but note that 4 is mapped to quad,
* and not stereo + FC + mono surround. A channel count of 3 is arbitrarily mapped to stereo + FC
* for continuity with stereo.
- * Returns the matching channel mask, or 0 if the number of channels exceeds that of the
- * configurations for which a default channel mask is defined.
+ * Returns the matching channel mask,
+ * or AUDIO_CHANNEL_NONE if the channel count is zero,
+ * or AUDIO_CHANNEL_INVALID if the channel count exceeds that of the
+ * configurations for which a default output channel mask is defined.
*/
static inline audio_channel_mask_t audio_channel_out_mask_from_count(uint32_t channel_count)
{
- switch(channel_count) {
+ uint32_t bits;
+ switch (channel_count) {
+ case 0:
+ return AUDIO_CHANNEL_NONE;
case 1:
- return AUDIO_CHANNEL_OUT_MONO;
+ bits = AUDIO_CHANNEL_OUT_MONO;
+ break;
case 2:
- return AUDIO_CHANNEL_OUT_STEREO;
+ bits = AUDIO_CHANNEL_OUT_STEREO;
+ break;
case 3:
- return (AUDIO_CHANNEL_OUT_STEREO | AUDIO_CHANNEL_OUT_FRONT_CENTER);
+ bits = AUDIO_CHANNEL_OUT_STEREO | AUDIO_CHANNEL_OUT_FRONT_CENTER;
+ break;
case 4: // 4.0
- return AUDIO_CHANNEL_OUT_QUAD;
+ bits = AUDIO_CHANNEL_OUT_QUAD;
+ break;
case 5: // 5.0
- return (AUDIO_CHANNEL_OUT_QUAD | AUDIO_CHANNEL_OUT_FRONT_CENTER);
+ bits = AUDIO_CHANNEL_OUT_QUAD | AUDIO_CHANNEL_OUT_FRONT_CENTER;
+ break;
case 6: // 5.1
- return AUDIO_CHANNEL_OUT_5POINT1;
+ bits = AUDIO_CHANNEL_OUT_5POINT1;
+ break;
case 7: // 6.1
- return (AUDIO_CHANNEL_OUT_5POINT1 | AUDIO_CHANNEL_OUT_BACK_CENTER);
+ bits = AUDIO_CHANNEL_OUT_5POINT1 | AUDIO_CHANNEL_OUT_BACK_CENTER;
+ break;
case 8:
- return AUDIO_CHANNEL_OUT_7POINT1;
+ bits = AUDIO_CHANNEL_OUT_7POINT1;
+ break;
default:
- return 0;
+ return AUDIO_CHANNEL_INVALID;
}
+ return audio_channel_mask_from_representation_and_bits(
+ AUDIO_CHANNEL_REPRESENTATION_POSITION, bits);
}

-/* Similar to above, but for input. Currently handles only mono and stereo. */
+/* Derive an input channel mask for position assignment from a channel count.
+ * Currently handles only mono and stereo.
+ * Returns the matching channel mask,
+ * or AUDIO_CHANNEL_NONE if the channel count is zero,
+ * or AUDIO_CHANNEL_INVALID if the channel count exceeds that of the
+ * configurations for which a default input channel mask is defined.
+ */
static inline audio_channel_mask_t audio_channel_in_mask_from_count(uint32_t channel_count)
{
+ uint32_t bits;
switch (channel_count) {
+ case 0:
+ return AUDIO_CHANNEL_NONE;
case 1:
- return AUDIO_CHANNEL_IN_MONO;
+ bits = AUDIO_CHANNEL_IN_MONO;
+ break;
case 2:
- return AUDIO_CHANNEL_IN_STEREO;
+ bits = AUDIO_CHANNEL_IN_STEREO;
+ break;
default:
- return 0;
+ return AUDIO_CHANNEL_INVALID;
}
+ return audio_channel_mask_from_representation_and_bits(
+ AUDIO_CHANNEL_REPRESENTATION_POSITION, bits);
+}
+
+/* Derive a channel mask for index assignment from a channel count.
+ * Returns the matching channel mask,
+ * or AUDIO_CHANNEL_NONE if the channel count is zero,
+ * or AUDIO_CHANNEL_INVALID if the channel count exceeds AUDIO_CHANNEL_COUNT_MAX.
+ */
+static inline audio_channel_mask_t audio_channel_mask_for_index_assignment_from_count(
+ uint32_t channel_count)
+{
+ if (channel_count == 0) {
+ return AUDIO_CHANNEL_NONE;
+ }
+ if (channel_count > AUDIO_CHANNEL_COUNT_MAX) {
+ return AUDIO_CHANNEL_INVALID;
+ }
+ uint32_t bits = (1 << channel_count) - 1;
+ return audio_channel_mask_from_representation_and_bits(
+ AUDIO_CHANNEL_REPRESENTATION_INDEX, bits);
}

static inline bool audio_is_valid_format(audio_format_t format)
{
switch (format & AUDIO_FORMAT_MAIN_MASK) {
case AUDIO_FORMAT_PCM:
- if (format != AUDIO_FORMAT_PCM_16_BIT &&
- format != AUDIO_FORMAT_PCM_8_BIT) {
+ switch (format) {
+ case AUDIO_FORMAT_PCM_16_BIT:
+ case AUDIO_FORMAT_PCM_8_BIT:
+ case AUDIO_FORMAT_PCM_32_BIT:
+ case AUDIO_FORMAT_PCM_8_24_BIT:
+ case AUDIO_FORMAT_PCM_FLOAT:
+ case AUDIO_FORMAT_PCM_24_BIT_PACKED:
+ return true;
+ default:
return false;
}
+ /* not reached */
case AUDIO_FORMAT_MP3:
case AUDIO_FORMAT_AMR_NB:
case AUDIO_FORMAT_AMR_WB:
@@ -572,6 +1304,9 @@ static inline bool audio_is_valid_format(audio_format_t format)
case AUDIO_FORMAT_HE_AAC_V1:
case AUDIO_FORMAT_HE_AAC_V2:
case AUDIO_FORMAT_VORBIS:
+ case AUDIO_FORMAT_OPUS:
+ case AUDIO_FORMAT_AC3:
+ case AUDIO_FORMAT_E_AC3:
return true;
default:
return false;
@@ -592,18 +1327,41 @@ static inline size_t audio_bytes_per_sample(audio_format_t format)
case AUDIO_FORMAT_PCM_8_24_BIT:
size = sizeof(int32_t);
break;
+ case AUDIO_FORMAT_PCM_24_BIT_PACKED:
+ size = sizeof(uint8_t) * 3;
+ break;
case AUDIO_FORMAT_PCM_16_BIT:
size = sizeof(int16_t);
break;
case AUDIO_FORMAT_PCM_8_BIT:
size = sizeof(uint8_t);
break;
+ case AUDIO_FORMAT_PCM_FLOAT:
+ size = sizeof(float);
+ break;
default:
break;
}
return size;
}

+/* converts device address to string sent to audio HAL via set_parameters */
+static char *audio_device_address_to_parameter(audio_devices_t device, const char *address)
+{
+ const size_t kSize = AUDIO_DEVICE_MAX_ADDRESS_LEN + sizeof("a2dp_sink_address=");
+ char param[kSize];
+
+ if (device & AUDIO_DEVICE_OUT_ALL_A2DP)
+ snprintf(param, kSize, "%s=%s", "a2dp_sink_address", address);
+ else if (device & AUDIO_DEVICE_OUT_REMOTE_SUBMIX)
+ snprintf(param, kSize, "%s=%s", "mix", address);
+ else
+ snprintf(param, kSize, "%s", address);
+
+ return strdup(param);
+}
+
+
__END_DECLS

#endif // ANDROID_AUDIO_CORE_H
--
1.9.1


2014-11-06 15:05:54

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 09/15] android/hardware: Update bt_gatt_types.h header

From: Andrei Emeltchenko <[email protected]>

---
android/hardware/bt_gatt_types.h | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/android/hardware/bt_gatt_types.h b/android/hardware/bt_gatt_types.h
index 0ac217e..e037ddc 100644
--- a/android/hardware/bt_gatt_types.h
+++ b/android/hardware/bt_gatt_types.h
@@ -43,6 +43,14 @@ typedef struct
uint8_t is_primary;
} btgatt_srvc_id_t;

+/** Preferred physical Transport for GATT connection */
+typedef enum
+{
+ GATT_TRANSPORT_AUTO,
+ GATT_TRANSPORT_BREDR,
+ GATT_TRANSPORT_LE
+} btgatt_transport_t;
+
__END_DECLS

#endif /* ANDROID_INCLUDE_BT_GATT_TYPES_H */
--
1.9.1


2014-11-06 15:05:56

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 11/15] android/hardware: Update audio_effect.h header

From: Andrei Emeltchenko <[email protected]>

---
android/hardware/audio_effect.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/android/hardware/audio_effect.h b/android/hardware/audio_effect.h
index 857a300..ee48e4c 100644
--- a/android/hardware/audio_effect.h
+++ b/android/hardware/audio_effect.h
@@ -24,8 +24,11 @@
#include <sys/cdefs.h>
#include <sys/types.h>

+#include <cutils/bitops.h>
+
#include <system/audio.h>

+
__BEGIN_DECLS


@@ -812,7 +815,7 @@ typedef struct buffer_config_s {
uint32_t samplingRate; // sampling rate
uint32_t channels; // channel mask (see audio_channel_mask_t in audio.h)
buffer_provider_t bufferProvider; // buffer provider
- uint8_t format; // Audio format (see see audio_format_t in audio.h)
+ uint8_t format; // Audio format (see audio_format_t in audio.h)
uint8_t accessMode; // read/write or accumulate in buffer (effect_buffer_access_e)
uint16_t mask; // indicates which of the above fields is valid
} buffer_config_t;
--
1.9.1


2014-11-06 15:05:47

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 02/15] android/hardware: Update bt_hf_client.h header

From: Andrei Emeltchenko <[email protected]>

---
android/hardware/bt_hf_client.h | 30 ++++++++++++++++++++----------
1 file changed, 20 insertions(+), 10 deletions(-)

diff --git a/android/hardware/bt_hf_client.h b/android/hardware/bt_hf_client.h
index b9c351c..8acf1b2 100644
--- a/android/hardware/bt_hf_client.h
+++ b/android/hardware/bt_hf_client.h
@@ -1,7 +1,5 @@
/*
- * Copyright (c) 2013, The Linux Foundation. All rights reserved.
- * Not a Contribution
- * Copyright (C) 2012 The Android Open Source Project
+ * Copyright (C) 2012-2014 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.
@@ -154,23 +152,31 @@ typedef enum {

/* Peer call handling features masks */
#define BTHF_CLIENT_CHLD_FEAT_REL 0x00000001 /* 0 Release waiting call or held calls */
-#define BTHF_CLIENT_CHLD_FEAT_REL_ACC 0x00000002 /* 1 Release active calls and accept other (waiting or held) cal */
+#define BTHF_CLIENT_CHLD_FEAT_REL_ACC 0x00000002 /* 1 Release active calls and accept other
+ (waiting or held) cal */
#define BTHF_CLIENT_CHLD_FEAT_REL_X 0x00000004 /* 1x Release specified active call only */
-#define BTHF_CLIENT_CHLD_FEAT_HOLD_ACC 0x00000008 /* 2 Active calls on hold and accept other (waiting or held) call */
-#define BTHF_CLIENT_CHLD_FEAT_PRIV_X 0x00000010 /* 2x Request private mode with specified call (put the rest on hold) */
+#define BTHF_CLIENT_CHLD_FEAT_HOLD_ACC 0x00000008 /* 2 Active calls on hold and accept other
+ (waiting or held) call */
+#define BTHF_CLIENT_CHLD_FEAT_PRIV_X 0x00000010 /* 2x Request private mode with specified
+ call (put the rest on hold) */
#define BTHF_CLIENT_CHLD_FEAT_MERGE 0x00000020 /* 3 Add held call to multiparty */
-#define BTHF_CLIENT_CHLD_FEAT_MERGE_DETACH 0x00000040 /* 4 Connect two calls and leave (disconnect from) multiparty */
+#define BTHF_CLIENT_CHLD_FEAT_MERGE_DETACH 0x00000040 /* 4 Connect two calls and leave
+ (disconnect from) multiparty */

/** Callback for connection state change.
* state will have one of the values from BtHfConnectionState
* peer/chld_features are valid only for BTHF_CLIENT_CONNECTION_STATE_SLC_CONNECTED state
*/
-typedef void (* bthf_client_connection_state_callback)(bthf_client_connection_state_t state, unsigned int peer_feat, unsigned int chld_feat, bt_bdaddr_t *bd_addr);
+typedef void (* bthf_client_connection_state_callback)(bthf_client_connection_state_t state,
+ unsigned int peer_feat,
+ unsigned int chld_feat,
+ bt_bdaddr_t *bd_addr);

/** Callback for audio connection state change.
* state will have one of the values from BtHfAudioState
*/
-typedef void (* bthf_client_audio_state_callback)(bthf_client_audio_state_t state, bt_bdaddr_t *bd_addr);
+typedef void (* bthf_client_audio_state_callback)(bthf_client_audio_state_t state,
+ bt_bdaddr_t *bd_addr);

/** Callback for VR connection state change.
* state will have one of the values from BtHfVRState
@@ -243,7 +249,8 @@ typedef void (*bthf_client_cmd_complete_callback) (bthf_client_cmd_complete_t ty

/** Callback for subscriber information
*/
-typedef void (* bthf_client_subscriber_info_callback) (const char *name, bthf_client_subscriber_service_type_t type);
+typedef void (* bthf_client_subscriber_info_callback) (const char *name,
+ bthf_client_subscriber_service_type_t type);

/** Callback for in-band ring tone settings
*/
@@ -346,6 +353,9 @@ typedef struct {

/** Closes the interface. */
void (*cleanup)(void);
+
+ /** Send AT Command. */
+ bt_status_t (*send_at_cmd) (int cmd, int val1, int val2, const char *arg);
} bthf_client_interface_t;

__END_DECLS
--
1.9.1


2014-11-06 15:05:57

by Andrei Emeltchenko

[permalink] [raw]
Subject: [RFC 12/15] android/hardware: Update bt_av.h header

From: Andrei Emeltchenko <[email protected]>

---
android/hardware/bt_av.h | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/android/hardware/bt_av.h b/android/hardware/bt_av.h
index 2ec00c3..5252a17 100644
--- a/android/hardware/bt_av.h
+++ b/android/hardware/bt_av.h
@@ -47,12 +47,23 @@ typedef void (* btav_connection_state_callback)(btav_connection_state_t state,
typedef void (* btav_audio_state_callback)(btav_audio_state_t state,
bt_bdaddr_t *bd_addr);

+/** Callback for audio configuration change.
+ * Used only for the A2DP sink interface.
+ * state will have one of the values from btav_audio_state_t
+ * sample_rate: sample rate in Hz
+ * channel_count: number of channels (1 for mono, 2 for stereo)
+ */
+typedef void (* btav_audio_config_callback)(bt_bdaddr_t *bd_addr,
+ uint32_t sample_rate,
+ uint8_t channel_count);
+
/** BT-AV callback structure. */
typedef struct {
/** set to sizeof(btav_callbacks_t) */
size_t size;
btav_connection_state_callback connection_state_cb;
btav_audio_state_callback audio_state_cb;
+ btav_audio_config_callback audio_config_cb;
} btav_callbacks_t;

/**
@@ -65,7 +76,9 @@ typedef struct {
* android_audio_hw library and the Bluetooth stack.
*
*/
-/** Represents the standard BT-AV interface. */
+/** Represents the standard BT-AV interface.
+ * Used for both the A2DP source and sink interfaces.
+ */
typedef struct {

/** set to sizeof(btav_interface_t) */
--
1.9.1