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

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

#include "audio_hw.h"

#define DIRECTOUT_BUFFER_MS  50

#define AUDIO_DRC_RFMODE    0
#define AUDIO_DRC_LINEMODE  1
#define AUDIO_DRC_RANGE_DEFAULT 100

#define PTS_TMP_BUFFERSIZE (DIRECTOUT_BUFFER_MS * 192 * 2 * 2 * 2) // 192K 20ms 2ch 16bit 2cnt

enum {
    CMD_DRAIN, /* full drain */
    CMD_PARTIAL_DRAIN, /* partial drain */
};

struct hdo_data {
    uint32_t usecase;
    uint32_t play_state;
    struct stream_out *out;

    uint32_t hTrack;
    uint32_t hAvplay;

    // file dbg
    FILE *fd_es;
    FILE *fd_pts;

    // tunnel pb pts
    uint32_t u32FrameSize;
    uint64_t u64FramePts;
    uint32_t u32RawDataLeftSize;
    uint32_t u32TmpBufSize;
    bool bEosFlag;
    bool bBasePtsAdd;
    uint8_t cTmpBuf[PTS_TMP_BUFFERSIZE];

    // volume cfg
    int    bSetVolumeSuccess;
    int    bTrackMuted;
    float  userSetVolume;
    int    s32IntegerGain;
    int    s32DecimalGain;
};

int      hdo_init(struct audio_device* adev);
void     hdo_deinit(void);
int      hdo_create(struct hdo_data** pphdo);
void     hdo_destroy(struct hdo_data* hdo);
int      hdo_open(struct hdo_data *hdo);
int      hdo_close(struct hdo_data *hdo);
size_t   hdo_get_buffer_size(const struct hdo_data *hdo);
int      hdo_pause(struct hdo_data *hdo);
int      hdo_resume(struct hdo_data *hdo);
int      hdo_flush(struct hdo_data *hdo);
int      hdo_drain(const struct hdo_data *hdo, int type);
uint32_t hdo_get_latency(const struct hdo_data *hdo);
int      hdo_get_render_position(const struct hdo_data *hdo, uint32_t *dsp_frames);
int      hdo_get_tstamp(const struct hdo_data *hdo, uint64_t *dsp_frames);
ssize_t  hdo_write(struct hdo_data *hdo, const uint8_t* buffer, size_t bytes);
int      hdo_create_hwsync_source(const int *sync_source);
int      hdo_destroy_hwsync_source(int sync_source);
int      hdo_obtain_hwsync_streaminfo(struct audio_device* adev);

#endif