/*
 * Copyright (C) 2014 BlueKitchen GmbH
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 * 4. Any redistribution, use, or modification is done solely for
 *    personal benefit and not for any commercial purpose or for
 *    monetary gain.
 *
 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS
 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * Please inquire about commercial licensing options at 
 * contact@bluekitchen-gmbh.com
 *
 */

/*
 * sbc_decoder.h
 *
 */

#ifndef __SBC_DECODER_H
#define __SBC_DECODER_H

#include <stdint.h>
#include "btstack_sbc_plc.h"

#if defined __cplusplus
extern "C" {
#endif

typedef enum{
    SBC_MODE_STANDARD,
    SBC_MODE_mSBC
} sbc_mode_t;

typedef struct {
    void * context;
    void (*handle_pcm_data)(int16_t * data, int num_samples, int num_channels, int sample_rate, void * context);
    // private
    void * decoder_state;
    sbc_plc_state_t plc_state;
    sbc_mode_t mode;

    // summary of processed good, bad and zero frames
    int good_frames_nr;
    int bad_frames_nr;
    int zero_frames_nr;
} sbc_decoder_state_t;

void sbc_decoder_init(sbc_decoder_state_t * state, sbc_mode_t mode, void (*callback)(int16_t * data, int num_samples, int num_channels, int sample_rate, void * context), void * context);
void sbc_decoder_process_data(sbc_decoder_state_t * state, uint8_t * buffer, int size);

int sbc_decoder_num_samples_per_frame(sbc_decoder_state_t * state);
int sbc_decoder_num_channels(sbc_decoder_state_t * state);
int sbc_decoder_sample_rate(sbc_decoder_state_t * state);

// testing only
void sbc_decoder_test_disable_plc(void);
void sbc_decoder_test_simulate_corrupt_frames(int period);

#if defined __cplusplus
}
#endif

#endif // __SBC_DECODER_H