audio_play_decoder.h

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#ifndef _AUDIO_PLAY_DECODER_H_
#define _AUDIO_PLAY_DECODER_H_

#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include "audio_play_process.h"
#include "audio_play_config.h"


typedef enum
{
    CI_ADPCM_DECODER_MODE_CIADPCM = 0,
    CI_ADPCM_DECODER_MODE_IMAADPCM = 1,
    CI_ADPCM_DECODER_MODE_WAV = 2,
    CI_ADPCM_DECODER_MODE_MP3 = 3,
    CI_ADPCM_DECODER_MODE_FLAC = 4,
}ci_adpcm_decoder_mode_t;

typedef struct 
{
    int min_blocksize, max_blocksize;   //block的最小/最大采样数
    int min_framesize, max_framesize;   //最小/最大帧大小
    int samplerate, channels;           //采样率和通道数
    int bps;
    unsigned long totalsamples;
}flac_file_info_t;

typedef struct
{
    uint32_t head_size;
    uint32_t nBlockAlign;    //块对齐大小
    uint32_t nSamplesPerSec; //采样率
}wav_file_info_t;

typedef struct
{
    union{
        wav_file_info_t wav;
        flac_file_info_t flac;
    };
    ci_adpcm_decoder_mode_t mode;
} prompt_decoder_config;




#define AUDIO_PLAY_FIX_MP3_DECODER_ISSUE  (AUDIO_PLAYER_CONFIG_MP3_SAVE_DECODER_STATUS)

typedef struct audio_play_decoder_ops_s
{
    const char *decoder_name;                   
    int32_t (*init)(void);                      
    int32_t (*decode)(uint8_t * input, uint32_t in_size, short *output,uint32_t *out_size, uint32_t *no_use_size,audio_format_info_t *audio_format_info); 
    int32_t (*save)(void);                      
    int32_t (*load)(void);                      
    int32_t (*config)(void *mode);              
    int32_t (*clear)(void);                     
    int32_t (*destroy)(void);                   
    uint32_t data_in_size;                      
    struct audio_play_decoder_ops_s * next_ops; 
}audio_play_decoder_ops_t;


extern audio_play_decoder_ops_t prompt_decoder;
extern audio_play_decoder_ops_t mp3_decoder;
extern audio_play_decoder_ops_t aac_decoder;
extern audio_play_decoder_ops_t ms_wav_decoder;
extern audio_play_decoder_ops_t flac_decoder;

extern void registe_decoder_ops(audio_play_decoder_ops_t *registe_ops);


#endif /* _AUDIO_PLAY_DECODER_H_ */