#ifndef foosydneyconverterhfoo
#define foosydneyconverterhfoo

#include "sydney.h"
#include "volscale.h"
#include "byteswap.h"
#include "zero.h"
#include "add.h"
#include "bbuffer.h"
#include "resample.h"
#include "format.h"
#include "common.h"
#include "interleave.h"

typedef struct sa_converter sa_converter_t;

struct sa_converter {
    sa_pcm_format_t from_pcm_format, to_pcm_format;
    unsigned from_nchannels, to_nchannels;
    unsigned from_rate, to_rate;

    int sum_required;
    int remap_required;
    
    sa_pcm_format_t work_pcm_format;
    
    size_t from_sample_size, work_sample_size, to_sample_size;

    sa_byteswap_func_t pre_byteswap_func, post_byteswap_func;
    sa_format_func_t pre_format_func, post_format_func;
    sa_volscale_func_t volscale_func;
    sa_zero_func_t zero_func;
    sa_add_func_t add_func;
    sa_resample_func_t resample_func;
    sa_interleave_func_t interleave_func;

    SpeexResamplerState *speex;

    sa_bbuffer_t bb_pre_byteswap,
        bb_pre_format,
        bb_volscale,
        bb_remap,
        bb_resample,
        bb_post_format,
        bb_post_byteswap,
        bb_interleave,
        bb_tmp;

    void **from_process_data, **to_process_data;
    size_t *from_stride, *to_stride;

    int32_t *volume_factor, *volume_divisor;
    int no_volume;

    int *channel_map_table;

    void *zero_buffer;
    size_t zero_size;
};

int sa_converter_init(sa_converter_t *c, const pcm_attrs_t *from, const pcm_attrs_t *to, int dynamic_rate_enabled);
void sa_converter_done(sa_converter_t *c);

int sa_converter_go(
        sa_converter_t *c,
        const void *const src[], const size_t sstr[], int sinterleave,
        void **dst[], size_t *dstr[], int dinterleave,
        size_t *size);

int sa_converter_go_interleaved(
        sa_converter_t *c,
        const void *const data, 
        void **dst[], size_t *dstr[], int dinterleave,
        size_t *size);

void sa_converter_set_volume(sa_converter_t *c, const int32_t vol[]);

void sa_converter_set_ratio(sa_converter_t *c, unsigned rate1, unsigned rate2);

void* sa_converter_get_zero_buffer(sa_converter_t *c, size_t size);

#endif