r1_recv.c

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#include "sr_lpc10.h"

/**********************************************************/

INT g_drc[3][ORDER], g_dpit[3], g_drms[3];

/**********************************************************/
/* extract quantized parameters from bitstream

output:
.  itab - Quantized parameters
input:
.  ibits - Serial "bitstream"
*/

VOID chan_read_2400_i( INDEX ibits[54], INDEX itab[12] )
{
    INDEX i;

    for (i = 0; i < 12; i++)
        itab[i] = 0;

    for (i = 53; (i--)>0; )
        itab[G_iblist[i]] = (itab[G_iblist[i]] << 1) + ibits[i];

}

/**********************************************************/

VOID recv_2400_ini( VOID )
{
    INDEX i, j;

    for (i=0; i<3; i++) {
        g_dpit[i] = g_drms[i] = 0;
        for (j=0; j<ORDER; j++)
            g_drc[i][j] = 0;
    }
}

/**********************************************************/

VOID recv_2400_i( INDEX ibits[54], BOOL voice[2], INDEX *pitch,
        FLOAT *rms, FLOAT rc[ORDER] )
{
    INDEX itab[13];

    chan_read_2400_i(ibits, itab);

    decode_2400 (itab, voice, pitch, rms, rc);
}

/**********************************************************/

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