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