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****************************************************************************/
/*!
  \file
  \brief  Defines structures and prototypes for RVLC
  \author Robert Weidner
*/

#ifndef RVLC_H
#define RVLC_H



#include "aacdecoder.h"
#include "channel.h"
#include "rvlc_info.h"

/* ------------------------------------------------------------------- */
/*    errorLogRvlc: A word of 32 bits used for logging possible errors */
/*                  within RVLC in case of distorted bitstreams.       */
/* ------------------------------------------------------------------- */
#define RVLC_ERROR_ALL_ESCAPE_WORDS_INVALID              0x80000000   /*  ESC-Dec  During RVLC-Escape-decoding there have been more bits decoded as there are available */
#define RVLC_ERROR_RVL_SUM_BIT_COUNTER_BELOW_ZERO_FWD    0x40000000   /*  RVL-Dec  negative sum-bitcounter during RVL-fwd-decoding (long+shrt) */
#define RVLC_ERROR_RVL_SUM_BIT_COUNTER_BELOW_ZERO_BWD    0x20000000   /*  RVL-Dec  negative sum-bitcounter during RVL-fwd-decoding (long+shrt) */
#define RVLC_ERROR_FORBIDDEN_CW_DETECTED_FWD             0x08000000   /*  RVL-Dec  forbidden codeword detected fwd (long+shrt) */
#define RVLC_ERROR_FORBIDDEN_CW_DETECTED_BWD             0x04000000   /*  RVL-Dec  forbidden codeword detected bwd (long+shrt) */



void CRvlc_Read (CAacDecoderChannelInfo *pAacDecoderChannelInfo,
                 HANDLE_FDK_BITSTREAM    bs);

void CRvlc_Decode (CAacDecoderChannelInfo  *pAacDecoderChannelInfo,
                   CAacDecoderStaticChannelInfo *pAacDecoderStaticChannelInfo,
                   HANDLE_FDK_BITSTREAM     bs);

/**
 * \brief performe sanity checks to the channel data corresponding to one channel element.
 * \param pAacDecoderChannelInfo
 * \param pAacDecoderStaticChannelInfo
 * \param elChannels amount of channels of the channel element.
 */
void CRvlc_ElementCheck (
        CAacDecoderChannelInfo *pAacDecoderChannelInfo[],
        CAacDecoderStaticChannelInfo *pAacDecoderStaticChannelInfo[],
        const UINT flags,
        const INT elChannels
        );




#endif /* RVLC_H */