static void samples_to_host(pj_int16_t *samples, unsigned count)
{
unsigned i;
for (i=0; i<count; ++i) {
samples[i] = pj_swap16(samples[i]);
}
}
/*
* Convert 16-bit value from host byte order to network byte order.
*/
PJ_DEF(pj_uint16_t) pj_htons(pj_uint16_t hostshort)
{
#if PJ_IS_LITTLE_ENDIAN
return pj_swap16(hostshort);
#else
return hostshort;
#endif
}
/*
* Convert 16-bit value from network byte order to host byte order.
*/
PJ_DEF(pj_uint16_t) pj_ntohs(pj_uint16_t netshort)
{
#if PJ_IS_LITTLE_ENDIAN
return pj_swap16(netshort);
#else
return netshort;
#endif
}
/*
* Change the endianness of WAVE header fields.
*/
static void wave_hdr_swap_bytes( pjmedia_wave_hdr *hdr )
{
#if defined(PJ_IS_BIG_ENDIAN) && PJ_IS_BIG_ENDIAN!=0
hdr->riff_hdr.riff = pj_swap32(hdr->riff_hdr.riff);
hdr->riff_hdr.file_len = pj_swap32(hdr->riff_hdr.file_len);
hdr->riff_hdr.wave = pj_swap32(hdr->riff_hdr.wave);
hdr->fmt_hdr.fmt = pj_swap32(hdr->fmt_hdr.fmt);
hdr->fmt_hdr.len = pj_swap32(hdr->fmt_hdr.len);
hdr->fmt_hdr.fmt_tag = pj_swap16(hdr->fmt_hdr.fmt_tag);
hdr->fmt_hdr.nchan = pj_swap16(hdr->fmt_hdr.nchan);
hdr->fmt_hdr.sample_rate = pj_swap32(hdr->fmt_hdr.sample_rate);
hdr->fmt_hdr.bytes_per_sec = pj_swap32(hdr->fmt_hdr.bytes_per_sec);
hdr->fmt_hdr.block_align = pj_swap16(hdr->fmt_hdr.block_align);
hdr->fmt_hdr.bits_per_sample = pj_swap16(hdr->fmt_hdr.bits_per_sample);
hdr->data_hdr.data = pj_swap32(hdr->data_hdr.data);
hdr->data_hdr.len = pj_swap32(hdr->data_hdr.len);
#else
PJ_UNUSED_ARG(hdr);
#endif
}
static void data_to_host(void *data, pj_uint8_t bits, unsigned count)
{
unsigned i;
pj_int32_t *data32 = (pj_int32_t *)data;
pj_int16_t *data16 = (pj_int16_t *)data;
count /= (bits == 32? 4 : 2);
for (i=0; i<count; ++i) {
if (bits == 32)
data32[i] = pj_swap32(data32[i]);
else
data16[i] = pj_swap16(data16[i]);
}
}
