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#ifndef footizenaudiofoo
#define footizenaudiofoo
/*
* audio-hal
*
* Copyright (c) 2000 - 2013 Samsung Electronics Co., Ltd. All rights reserved.
*
* 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.
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#define AUDIO_REVISION 1
/* Error code */
#define AUDIO_IS_ERROR(ret) (ret < 0)
typedef enum audio_return {
AUDIO_RET_OK = 0,
AUDIO_ERR_UNDEFINED = (int32_t)0x80001000,
AUDIO_ERR_RESOURCE = (int32_t)0x80001001,
AUDIO_ERR_PARAMETER = (int32_t)0x80001002,
AUDIO_ERR_IOCTL = (int32_t)0x80001003,
AUDIO_ERR_NOT_IMPLEMENTED = (int32_t)0x80001004,
} audio_return_t ;
/* Direction */
typedef enum audio_direction {
AUDIO_DIRECTION_IN, /**< Capture */
AUDIO_DIRECTION_OUT, /**< Playback */
} audio_direction_t;
typedef enum audio_route_flag {
AUDIO_ROUTE_FLAG_NONE = 0,
AUDIO_ROUTE_FLAG_MUTE_POLICY = 0x00000001,
AUDIO_ROUTE_FLAG_DUAL_OUT = 0x00000002,
AUDIO_ROUTE_FLAG_NOISE_REDUCTION = 0x00000010,
AUDIO_ROUTE_FLAG_EXTRA_VOL = 0x00000020,
AUDIO_ROUTE_FLAG_NETWORK_WB = 0x00000040,
AUDIO_ROUTE_FLAG_BT_WB = 0x00000100,
AUDIO_ROUTE_FLAG_BT_NREC = 0x00000200,
AUDIO_ROUTE_FLAG_VOICE_COMMAND = 0x00040000,
} audio_route_flag_t;
typedef enum audio_device_api {
AUDIO_DEVICE_API_UNKNOWN,
AUDIO_DEVICE_API_ALSA,
AUDIO_DEVICE_API_BLUEZ,
} audio_device_api_t;
typedef enum audio_device_param {
AUDIO_DEVICE_PARAM_NONE,
AUDIO_DEVICE_PARAM_CHANNELS,
AUDIO_DEVICE_PARAM_SAMPLERATE,
AUDIO_DEVICE_PARAM_FRAGMENT_SIZE,
AUDIO_DEVICE_PARAM_FRAGMENT_NB,
AUDIO_DEVICE_PARAM_START_THRESHOLD,
AUDIO_DEVICE_PARAM_USE_MMAP,
AUDIO_DEVICE_PARAM_USE_TSCHED,
AUDIO_DEVICE_PARAM_TSCHED_BUF_SIZE,
AUDIO_DEVICE_PARAM_SUSPEND_TIMEOUT,
AUDIO_DEVICE_PARAM_ALTERNATE_RATE,
AUDIO_DEVICE_PARAM_MAX,
} audio_device_param_t;
/* audio format */
typedef enum audio_sample_format {
AUDIO_SAMPLE_U8,
AUDIO_SAMPLE_ALAW,
AUDIO_SAMPLE_ULAW,
AUDIO_SAMPLE_S16LE,
AUDIO_SAMPLE_S16BE,
AUDIO_SAMPLE_FLOAT32LE,
AUDIO_SAMPLE_FLOAT32BE,
AUDIO_SAMPLE_S32LE,
AUDIO_SAMPLE_S32BE,
AUDIO_SAMPLE_S24LE,
AUDIO_SAMPLE_S24BE,
AUDIO_SAMPLE_S24_32LE,
AUDIO_SAMPLE_S24_32BE,
AUDIO_SAMPLE_MAX,
AUDIO_SAMPLE_INVALID = -1
} audio_sample_format_t;
/* audio latency */
static const char* AUDIO_LATENCY_LOW = "low";
static const char* AUDIO_LATENCY_MID = "mid";
static const char* AUDIO_LATENCY_HIGH = "high";
static const char* AUDIO_LATENCY_VOIP = "voip";
typedef struct audio_device_param_info {
audio_device_param_t param;
union {
int64_t s64_v;
uint64_t u64_v;
int32_t s32_v;
uint32_t u32_v;
};
} audio_device_param_info_t;
typedef struct audio_device_alsa_info {
char *card_name;
uint32_t card_idx;
uint32_t device_idx;
} audio_device_alsa_info_t;
typedef struct audio_device_bluz_info {
char *protocol;
uint32_t nrec;
} audio_device_bluez_info_t;
typedef struct audio_device_info {
audio_device_api_t api;
audio_direction_t direction;
char *name;
uint8_t is_default_device;
union {
audio_device_alsa_info_t alsa;
audio_device_bluez_info_t bluez;
};
} audio_device_info_t;
typedef struct device_info {
const char *type;
uint32_t direction;
uint32_t id;
} device_info_t;
typedef struct audio_volume_info {
const char *type;
const char *gain;
uint32_t direction;
} audio_volume_info_t ;
typedef struct audio_route_info {
const char *role;
device_info_t *device_infos;
uint32_t num_of_devices;
} audio_route_info_t;
typedef struct audio_route_option {
const char *role;
const char *name;
int32_t value;
} audio_route_option_t;
typedef struct audio_stream_info {
const char *role;
uint32_t direction;
uint32_t idx;
} audio_stream_info_t ;
/* Stream */
typedef enum audio_volume {
AUDIO_VOLUME_TYPE_SYSTEM, /**< System volume type */
AUDIO_VOLUME_TYPE_NOTIFICATION, /**< Notification volume type */
AUDIO_VOLUME_TYPE_ALARM, /**< Alarm volume type */
AUDIO_VOLUME_TYPE_RINGTONE, /**< Ringtone volume type */
AUDIO_VOLUME_TYPE_MEDIA, /**< Media volume type */
AUDIO_VOLUME_TYPE_CALL, /**< Call volume type */
AUDIO_VOLUME_TYPE_VOIP, /**< VOIP volume type */
AUDIO_VOLUME_TYPE_VOICE, /**< Voice volume type */
AUDIO_VOLUME_TYPE_FIXED, /**< Volume type for fixed acoustic level */
AUDIO_VOLUME_TYPE_MAX, /**< Volume type count */
} audio_volume_t;
typedef enum audio_gain {
AUDIO_GAIN_TYPE_DEFAULT,
AUDIO_GAIN_TYPE_DIALER,
AUDIO_GAIN_TYPE_TOUCH,
AUDIO_GAIN_TYPE_AF,
AUDIO_GAIN_TYPE_SHUTTER1,
AUDIO_GAIN_TYPE_SHUTTER2,
AUDIO_GAIN_TYPE_CAMCODING,
AUDIO_GAIN_TYPE_MIDI,
AUDIO_GAIN_TYPE_BOOTING,
AUDIO_GAIN_TYPE_VIDEO,
AUDIO_GAIN_TYPE_TTS,
AUDIO_GAIN_TYPE_MAX,
} audio_gain_t;
/* Overall */
typedef struct audio_cb_interface {
audio_return_t (*load_device)(void *platform_data, audio_device_info_t *device_info, audio_device_param_info_t *params);
audio_return_t (*open_device)(void *platform_data, audio_device_info_t *device_info, audio_device_param_info_t *params);
audio_return_t (*close_all_devices)(void *platform_data);
audio_return_t (*close_device)(void *platform_data, audio_device_info_t *device_info);
audio_return_t (*unload_device)(void *platform_data, audio_device_info_t *device_info);
} audio_cb_interface_t;
typedef struct audio_interface {
audio_return_t (*init)(void **userdata, void *platform_data);
audio_return_t (*deinit)(void **userdata);
audio_return_t (*reset_volume)(void **userdata);
audio_return_t (*get_volume_level_max)(void *userdata, audio_volume_info_t *info, uint32_t *level);
audio_return_t (*get_volume_level)(void *userdata, audio_volume_info_t *info, uint32_t *level);
audio_return_t (*set_volume_level)(void *userdata, audio_volume_info_t *info, uint32_t level);
audio_return_t (*get_volume_value)(void *userdata, audio_volume_info_t *info, uint32_t level, double *value);
audio_return_t (*get_volume_mute)(void *userdata, audio_volume_info_t *info, uint32_t *mute);
audio_return_t (*set_volume_mute)(void *userdata, audio_volume_info_t *info, uint32_t mute);
audio_return_t (*do_route)(void *userdata, audio_route_info_t *info);
audio_return_t (*update_route_option)(void *userdata, audio_route_option_t *option);
audio_return_t (*update_stream_connection_info) (void *userdata, audio_stream_info_t *info, uint32_t is_connected);
audio_return_t (*alsa_pcm_open)(void *userdata, void **pcm_handle, char *device_name, uint32_t direction, int mode);
audio_return_t (*alsa_pcm_close)(void *userdata, void *pcm_handle);
/* Interface of PCM device */
audio_return_t (*pcm_open)(void *userdata, void **pcm_handle, void *sample_spec, uint32_t direction);
audio_return_t (*pcm_start)(void *userdata, void *pcm_handle);
audio_return_t (*pcm_stop)(void *userdata, void *pcm_handle);
audio_return_t (*pcm_close)(void *userdata, void *pcm_handle);
audio_return_t (*pcm_avail)(void *userdata, void *pcm_handle, uint32_t *avail);
audio_return_t (*pcm_write)(void *userdata, void *pcm_handle, const void *buffer, uint32_t frames);
audio_return_t (*pcm_read)(void *userdata, void *pcm_handle, void *buffer, uint32_t frames);
audio_return_t (*get_buffer_attr)(void *userdata, uint32_t direction, const char *latency, uint32_t samplerate, audio_sample_format_t format, uint32_t channels, uint32_t *maxlength, uint32_t *tlength, uint32_t *prebuf, uint32_t* minreq, uint32_t *fragsize);
audio_return_t (*set_callback)(void *userdata, audio_cb_interface_t *cb_interface);
} audio_interface_t;
int audio_get_revision (void);
audio_return_t audio_init (void **userdata, void *platform_data);
audio_return_t audio_deinit (void **userdata);
audio_return_t audio_reset_volume (void **userdata);
audio_return_t audio_get_volume_level_max (void *userdata, audio_volume_info_t *info, uint32_t *level);
audio_return_t audio_get_volume_level (void *userdata, audio_volume_info_t *info, uint32_t *level);
audio_return_t audio_set_volume_level (void *userdata, audio_volume_info_t *info, uint32_t level);
audio_return_t audio_get_volume_value (void *userdata, audio_volume_info_t *info, uint32_t level, double *value);
audio_return_t audio_get_volume_mute (void *userdata, audio_volume_info_t *info, uint32_t *mute);
audio_return_t audio_set_volume_mute (void *userdata, audio_volume_info_t *info, uint32_t mute);
audio_return_t audio_do_route (void *userdata, audio_route_info_t *info);
audio_return_t audio_update_route_option (void *userdata, audio_route_option_t *option);
audio_return_t audio_update_stream_connection_info (void *userdata, audio_stream_info_t *info, uint32_t is_connected);
audio_return_t audio_alsa_pcm_open (void *userdata, void **pcm_handle, char *device_name, uint32_t direction, int mode);
audio_return_t audio_alsa_pcm_close (void *userdata, void *pcm_handle);
audio_return_t audio_pcm_open (void *userdata, void **pcm_handle, void *sample_spec, uint32_t direction);
audio_return_t audio_pcm_start (void *userdata, void *pcm_handle);
audio_return_t audio_pcm_stop (void *userdata, void *pcm_handle);
audio_return_t audio_pcm_close (void *userdata, void *pcm_handle);
audio_return_t audio_pcm_avail (void *userdata, void *pcm_handle, uint32_t *avail);
audio_return_t audio_pcm_write (void *userdata, void *pcm_handle, const void *buffer, uint32_t frames);
audio_return_t audio_pcm_read (void *userdata, void *pcm_handle, void *buffer, uint32_t frames);
audio_return_t audio_get_buffer_attr(void *userdata, uint32_t direction, const char *latency, uint32_t samplerate, audio_sample_format_t format, uint32_t channels, uint32_t *maxlength, uint32_t *tlength, uint32_t *prebuf, uint32_t* minreq, uint32_t *fragsize);
audio_return_t audio_set_callback (void *userdata, audio_cb_interface_t *cb_interface);
#endif
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