struct mixer_input* inputs,

size_t n,

void* output_buf,

size_t* output_size,

unsigned long tx_interval_ms

)

{

if (n == 0)

{

*output_size = 0;

return;

}

if (*output_size > tx_interval_ms * MAGIC_NUMBER)

*output_size = tx_interval_ms * MAGIC_NUMBER;

for (size_t i = 0; i < *output_size; i += sizeof (int16_t))

{

int res = 0;

for (size_t j = 0; j < n; j++)

if (i < inputs[j].len)

res += ((int16_t*) inputs[j].data)[i / 2];

if (res > SHRT_MAX)

res = SHRT_MAX;

else if (res < SHRT_MIN)

res = SHRT_MIN;

((int16_t*) output_buf)[i / 2] = (int16_t) res;

}

for (size_t i = 0; i < n; i++)

inputs[i].consumed = std::min(*output_size, inputs[i].len);