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2026-08-24 10:03:24 +08:00

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C

/*
* Copyright (C) 2017 Amlogic Corporation.
*
* 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 _AUDIO_CONTROLS_H_
#define _AUDIO_CONTROLS_H_
#include <cutils/list.h>
#include <tinyalsa/asoundlib.h>
#include "audio_hw.h"
#include "aml_ringbuffer.h"
#include "aml_audio_log.h"
#include "audio_controls_utils.h"
//#include "aml_enc_api.h"
#define DEVICE_NAME_LEN 16
#define ADEC_MAX_CAP 2
#define MAX_UEVENT_LEN 128
#define MIX_GAIN 0
#define MAX_GAIN 0xFFFFFF
#define DEFAULT_ADC_HW_PORT 0xff //refer to alsa-ext-adc.h
#define AC4_ADVOLUME_MIN (-32)
#define AC4_ADVOLUME_MAX (32)
typedef struct{
int rate; //sample rate
int channel; //channel number
//snd_pcm_uframes_t period_size; // the unit is frame
unsigned int periods; // the ring buffer size = periods*period_size
//snd_pcm_format_t format; // SND_PCM_FORMAT_S16_LE,SND_PCM_FORMAT_S32_LE...
//snd_pcm_stream_t stream; //SND_PCM_STREAM_PLAYBACK,SND_PCM_STREAM_CAPTURE
char device_name[DEVICE_NAME_LEN];
} device_params_t;
typedef enum lge_param_index {
OUTPUT_GAIN_SPK = 0,
} lge_param_index_t;
typedef enum lge_param_type {
Integer,
} lge_param_type_t;
typedef enum Attribute_Num {
MAX = 0,
MIN = 1,
STEP = 2,
COUNT = 3,
} Attribute_Num_t;
enum Adec_info_type {ADEC_INFO_TYPE_INFO, ADEC_INFO_TYPE_TP_BUFFER, ADEC_INFO_TYPE_TP_PTS};
struct buffer_status {
unsigned int max_size;
unsigned int free_size;
};
struct ad_status {
int adec_idex;
int ad_onoff;
};
int audio_control_int_param_get(int param_index, int *value);
int audio_control_param_info_get (int param_index, int *value);
int audio_control_int_param_set(void *value);
typedef int aml_snd_kcontrol_info_t(aml_ahal_ctl_elem_info_t * uinfo);
typedef int aml_snd_kcontrol_get_t(aml_ahal_ctl_elem_value_t * ucontrol);
typedef int aml_snd_kcontrol_put_t(aml_ahal_ctl_elem_value_t * ucontrol);
typedef struct aml_kctl_fuc_new {
const char *name; /* ASCII name of item */
aml_snd_kcontrol_info_t *info;
aml_snd_kcontrol_get_t *get;
aml_snd_kcontrol_put_t *put;
} aml_kctl_func_new_t;
int aml_kctl_func(int cmd, void *param, int size);
#endif