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/**
* @file mock/mock_aucodec.c Mock audio codec
*
* Copyright (C) 2010 - 2016 Creytiv.com
*/
#include <string.h>
#include <re.h>
#include <rem.h>
#include <baresip.h>
#include "../test.h"
/* A dummy protocol header */
#define L16_HEADER 0x1616
static int mock_l16_encode(struct auenc_state *st, uint8_t *buf, size_t *len,
const int16_t *sampv, size_t sampc)
{
int16_t *p = (void *)buf;
(void)st;
if (!buf || !len || !sampv)
return EINVAL;
if (*len < sampc*2)
return ENOMEM;
*len = 2 + sampc*2;
*p++ = L16_HEADER;
while (sampc--)
*p++ = htons(*sampv++);
return 0;
}
static int mock_l16_decode(struct audec_state *st,
int16_t *sampv, size_t *sampc,
const uint8_t *buf, size_t len)
{
int16_t *p = (void *)buf;
uint16_t hdr;
(void)st;
if (!buf || !len || !sampv)
return EINVAL;
if (len < 2)
return EINVAL;
if (*sampc < len/2)
return ENOMEM;
*sampc = (len - 2)/2;
hdr = *p++;
if (L16_HEADER != hdr) {
warning("mock_aucodec: invalid L16 header"
" 0x%04x (len=%zu)\n", hdr, len);
return EPROTO;
}
len = len/2 - 2;
while (len--)
*sampv++ = ntohs(*p++);
return 0;
}
static struct aucodec ac_dummy = {
.name = "FOO16",
.srate = 8000,
.crate = 8000,
.ch = 1,
.ench = mock_l16_encode,
.dech = mock_l16_decode,
};
void mock_aucodec_register(void)
{
aucodec_register(baresip_aucodecl(), &ac_dummy);
}
void mock_aucodec_unregister(void)
{
aucodec_unregister(&ac_dummy);
}
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