chromium/third_party/opus/src/silk/NLSF_decode.c

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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "main.h"

/* Predictive dequantizer for NLSF residuals */
static OPUS_INLINE void silk_NLSF_residual_dequant(          /* O    Returns RD value in Q30                     */
          opus_int16         x_Q10[],                        /* O    Output [ order ]                            */
    const opus_int8          indices[],                      /* I    Quantization indices [ order ]              */
    const opus_uint8         pred_coef_Q8[],                 /* I    Backward predictor coefs [ order ]          */
    const opus_int           quant_step_size_Q16,            /* I    Quantization step size                      */
    const opus_int16         order                           /* I    Number of input values                      */
)
{ … }


/***********************/
/* NLSF vector decoder */
/***********************/
void silk_NLSF_decode(
          opus_int16            *pNLSF_Q15,                     /* O    Quantized NLSF vector [ LPC_ORDER ]         */
          opus_int8             *NLSFIndices,                   /* I    Codebook path vector [ LPC_ORDER + 1 ]      */
    const silk_NLSF_CB_struct   *psNLSF_CB                      /* I    Codebook object                             */
)
{ … }