Chris@69: /* Copyright (c) 2008-2011 Xiph.Org Foundation, Mozilla Corporation
Chris@69:    Written by Jean-Marc Valin and Timothy B. Terriberry */
Chris@69: /*
Chris@69:    Redistribution and use in source and binary forms, with or without
Chris@69:    modification, are permitted provided that the following conditions
Chris@69:    are met:
Chris@69: 
Chris@69:    - Redistributions of source code must retain the above copyright
Chris@69:    notice, this list of conditions and the following disclaimer.
Chris@69: 
Chris@69:    - Redistributions in binary form must reproduce the above copyright
Chris@69:    notice, this list of conditions and the following disclaimer in the
Chris@69:    documentation and/or other materials provided with the distribution.
Chris@69: 
Chris@69:    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
Chris@69:    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
Chris@69:    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
Chris@69:    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
Chris@69:    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
Chris@69:    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
Chris@69:    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
Chris@69:    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
Chris@69:    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
Chris@69:    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
Chris@69:    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Chris@69: */
Chris@69: 
Chris@69: #ifdef HAVE_CONFIG_H
Chris@69: #include "config.h"
Chris@69: #endif
Chris@69: 
Chris@69: #include <stdio.h>
Chris@69: #include <stdlib.h>
Chris@69: #define CELT_C
Chris@69: #include "laplace.h"
Chris@69: #include "stack_alloc.h"
Chris@69: 
Chris@69: #include "entenc.c"
Chris@69: #include "entdec.c"
Chris@69: #include "entcode.c"
Chris@69: #include "laplace.c"
Chris@69: 
Chris@69: #define DATA_SIZE 40000
Chris@69: 
Chris@69: int ec_laplace_get_start_freq(int decay)
Chris@69: {
Chris@69:    opus_uint32 ft = 32768 - LAPLACE_MINP*(2*LAPLACE_NMIN+1);
Chris@69:    int fs = (ft*(16384-decay))/(16384+decay);
Chris@69:    return fs+LAPLACE_MINP;
Chris@69: }
Chris@69: 
Chris@69: int main(void)
Chris@69: {
Chris@69:    int i;
Chris@69:    int ret = 0;
Chris@69:    ec_enc enc;
Chris@69:    ec_dec dec;
Chris@69:    unsigned char *ptr;
Chris@69:    int val[10000], decay[10000];
Chris@69:    ALLOC_STACK;
Chris@69:    ptr = (unsigned char *)malloc(DATA_SIZE);
Chris@69:    ec_enc_init(&enc,ptr,DATA_SIZE);
Chris@69: 
Chris@69:    val[0] = 3; decay[0] = 6000;
Chris@69:    val[1] = 0; decay[1] = 5800;
Chris@69:    val[2] = -1; decay[2] = 5600;
Chris@69:    for (i=3;i<10000;i++)
Chris@69:    {
Chris@69:       val[i] = rand()%15-7;
Chris@69:       decay[i] = rand()%11000+5000;
Chris@69:    }
Chris@69:    for (i=0;i<10000;i++)
Chris@69:       ec_laplace_encode(&enc, &val[i],
Chris@69:             ec_laplace_get_start_freq(decay[i]), decay[i]);
Chris@69: 
Chris@69:    ec_enc_done(&enc);
Chris@69: 
Chris@69:    ec_dec_init(&dec,ec_get_buffer(&enc),ec_range_bytes(&enc));
Chris@69: 
Chris@69:    for (i=0;i<10000;i++)
Chris@69:    {
Chris@69:       int d = ec_laplace_decode(&dec,
Chris@69:             ec_laplace_get_start_freq(decay[i]), decay[i]);
Chris@69:       if (d != val[i])
Chris@69:       {
Chris@69:          fprintf (stderr, "Got %d instead of %d\n", d, val[i]);
Chris@69:          ret = 1;
Chris@69:       }
Chris@69:    }
Chris@69: 
Chris@69:    free(ptr);
Chris@69:    return ret;
Chris@69: }