/*
 * Copyright (c) Hisilicon Technologies Co., Ltd. 2020-2020. All rights reserved.
 * Description: audio hal primary output header file.
 * Author: Hisilicon
 * Create: 2020-05-11
 * Notes: NA
 * History: 2020-05-11 yinyingcai for CodingStyle
*/
#ifndef  HPO_H
#define  HPO_H

#include <system/audio.h>
#include <hardware/audio.h>
#include <tinyalsa/asoundlib.h>
#include "audio_hw.h"

#define AO_CARD_ID        0
#define AO_DEVICE_ID0     0
#define AO_DEVICE_ID1     1
#define AO_DEVICE_ID2     2
#define AO_DEVICE_ID4     4

struct hpo_data {
    int out_card;
    int out_device;
    int alsa_delay; /* the delay of first frame writing caused by alsa, include pcm_open && first pcm_write */
    /* add for printing xrun begin */
    bool underrun;
    bool max_underrun_update;
    uint64_t frames_written;
    uint64_t frames_written_standby; /* this value is reset when standby */
    uint64_t frames_discarded;
    uint64_t max_underrun_frames;
    uint64_t max_overrun_frames;
    uint64_t open_time;
    uint64_t first_frame_time;
    uint64_t last_print_time;
    /* add for printing xrun end */
    struct pcm *pcm;
    struct stream_out *out;
    FILE *fd;
    void *sys_track; /* data of system track */
};

int      hpo_open(struct hpo_data *hpo);
int      hpo_create(struct hpo_data **pphpo);
void     hpo_destroy(struct hpo_data *hpo);
size_t   hpo_get_buffer_size(const struct hpo_data *hpo);
int      hpo_close(struct hpo_data *hpo);
uint32_t hpo_get_latency(const struct hpo_data *hpo);
int      hpo_get_render_position(const struct hpo_data *hpo, uint32_t *dsp_frames);
ssize_t  hpo_write(struct hpo_data *hpo, const uint8_t *buffer, size_t bytes);
int      hpo_get_tstamp(const struct hpo_data *hpo, uint64_t *frames);
bool     hpo_check_equal(int real_value, int expect_value);

#endif