/*
 * 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 _ALSA_MANAGER_H_
#define _ALSA_MANAGER_H_

#include <hardware/audio.h>

typedef enum info_type {
    OUTPUT_INFO_STATUS,      // running or xrun etc..
    OUTPUT_INFO_DELAYFRAME,  // the delay frames
} alsa_info_type_t;

typedef union output_info {
    int delay_ms;
} alsa_output_info_t;

typedef struct aml_alsa_config {
    int format;
    unsigned int channel_mask;
    int sample_rate;
    //for capture only
    int period_size;
    int period_count;
} aml_alsa_config_t;

typedef struct aml_device_config {
    uint32_t device_port;

} aml_device_config_t;

void aml_alsa_info_dump(void* handle, int fd);

int aml_alsa_input_open(void **handle, aml_alsa_config_t * stream_config, aml_device_config_t *device_config);
int aml_alsa_input_read(void *handle, void *buffer, int bytes);
int aml_alsa_input_flush(void *handle);
int aml_alsa_input_get_delay(void *handle);
uint64_t aml_alsa_input_get_timestamp(void *handle);
int aml_alsa_input_stop(void *handle);
int aml_alsa_input_close(void *handle);
int aml_alsa_output_open(void **handle, aml_alsa_config_t * stream_config, aml_device_config_t *device_config);
int aml_alsa_output_close(void *handle);
int aml_alsa_output_write(void *handle, const void *buffer, int bytes);
int aml_alsa_output_getinfo(void *handle, alsa_info_type_t type, alsa_output_info_t * info);
int aml_alsa_output_pause(void *handle);
int aml_alsa_output_resume(void *handle);
int aml_alsa_output_stop(void *handle);
bool aml_alsa_output_get_alsa_status(void *handle, bool *alsa_status);
int aml_alsa_output_clear_alsa_status_changed_flag(void *handle);
uint64_t aml_alsa_output_get_delay_frame(void *handle, bool ignore_default);
int aml_alsa_output_flush(void *handle);
int aml_alsa_output_get_timestamp(void *handle, unsigned int *avail, struct timespec *tstamp);
bool aml_alsa_output_get_start_threshold(void *handle, uint32_t *start_threshold);

enum pcm_format convert_audio_format_2_alsa_format(audio_format_t format);
void *get_internal_pcm(void *handle);

void aml_alsa_set_llp(bool mode);
#endif // _ALSA_MANAGER_H_