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#ifndef _ASP_DECOP_CB_COMMON_H_
#define _ASP_DECOP_CB_COMMON_H_

#include <xdc/std.h>
#include "paftyp.h"

#define ASP_DECOP_CB_SOK                    (  0 )      // ok

#define ASP_DECOP_CB_MAX_NUM_AF             ( 4 )       // decoder output circular buffer maximum number audio frames
#define ASP_DECOP_CB_MAX_NUM_PCM_CH         ( 16 )      // decoder output circular buffer maximum number audio PCM channels
#define ASP_DECOP_CB_MAX_NUM_PCM_FRAMES     ( 2 )       // decoder output circular buffer maximum number PCM frames //Qin - Increased to prevent cb overflow for ddp.
#define ASP_DECOP_CB_MAX_PCM_FRAME_LEN      ( 6*256 )   // decoder output circular buffer maximum PCM frame length
#define ASP_DECOP_CB_PCM_BUF_SZ             ( ASP_DECOP_CB_MAX_NUM_PCM_CH * ASP_DECOP_CB_MAX_NUM_PCM_FRAMES * ASP_DECOP_CB_MAX_PCM_FRAME_LEN )


// Decoder output circular buffer
typedef struct PAF_AST_DecOpCircBuf 
{
    PAF_AudioFrame *afCb;   // audio frame CB
    PAF_AudioData *pcmBuf;  // PCM buffer, contains PCM data associated with audio frames
    UInt8 *metaBuf;         // metafdata buffer, contains metadata associated with audio frames //QIN
    Int8 afRdIdx;           // audio frame CB read index
    Int8 afWrtIdx;          // audio frame CB write index
    Int16 pcmRdIdx;         // pcm buffer read index
    Int8 numAfCb;           // current number frames in CB
    Int8 maxNumAfCb;        // maximum number of audio frames in CB
    Int16 decOpFrameLen;    // selected decoder output frame length (input transaction size)
    Int16 strFrameLen;      // stream frame length (output transaction size)
    Int8 writerActiveFlag;  // flag indicates whether CB writer is active
    Int8 readerActiveFlag;  // flag indicates whether CB reader is active
    Int8 emptyFlag;         // flag indicates whether reader should empty (drain) remaining frames in CB
    Int8 errUndCnt;         // underflow count
    Int8 errOvrCnt;         // overflow count
} PAF_AST_DecOpCircBuf;

// Output log of circular buffer control variables (debug)
Int cbLog(
    PAF_AST_DecOpCircBuf *pCb,
    Int8 fullLog, 
    char *locInfo
);

#endif /* _ASP_DECOP_CB_COMMON_H_ */