temp.h

高通的cmda语音压缩算法is96a源代码. 针对自己的dsp将最耗时的c改成汇编就几乎是商用代码了.

struct DECODER_MEM {
    INTTYPE    type;   /* To tell whether this is the Tx or Rx decoder */
    INTTYPE    err_cnt;
    INTTYPE    low_rate_cnt;
    float  lsp_pred[LPCORDER];
    INTTYPE    G_pred[GORDER];
    float  last_qlsp[LPCORDER];
    float  last_b;
    INTTYPE    last_lag;
    float  last_G;
    INTTYPE    seed;
    struct POLE_FILTER_1_TAP pitch_filt;
    struct POLE_FILTER       lpc_filt;

    /* wghting filter used only in encoder's decoder */
    struct POLE_ZERO_FILTER  wghting_filt;

    /* these params and filters used only in decoder's decoder */
    struct ZERO_FILTER       post_filt_z;
    struct POLE_FILTER       post_filt_p;
    struct POLE_ZERO_FILTER  bright_filt;
    float  agc_factor;

};