int winwave_src_alloc(struct ausrc_st **stp, struct ausrc *as,
struct media_ctx **ctx,
struct ausrc_prm *prm, const char *device,
ausrc_read_h *rh, ausrc_error_h *errh, void *arg)
{
struct ausrc_st *st;
int err;
(void)ctx;
(void)errh;
if (!stp || !as || !prm)
return EINVAL;
st = mem_zalloc(sizeof(*st), ausrc_destructor);
if (!st)
return ENOMEM;
st->as = mem_ref(as);
st->rh = rh;
st->arg = arg;
err = read_stream_open(st, prm, find_dev(device));
if (err)
mem_deref(st);
else
*stp = st;
return err;
}
int sinwave_src_alloc(struct ausrc_st **stp, const struct ausrc *as,
struct media_ctx **ctx,
struct ausrc_prm *prm, const char *device,
ausrc_read_h *rh, ausrc_error_h *errh, void *arg)
{
struct ausrc_st *st;
int err;
(void)ctx;
(void)errh;
if (!stp || !as || !prm)
return EINVAL;
st = mem_zalloc(sizeof(*st), ausrc_destructor);
if (!st)
return ENOMEM;
st->as = as;
st->rh = rh;
st->arg = arg;
st->srate = prm->srate;
st->ptime = prm->ptime;
st->sampc = prm->srate * prm->ch * prm->ptime / 1000;
// Initialize Wave Generator
st->gen.amplitude = 0.2f;
st->gen.Hz = 440.0f;
st->gen.sample_rate = (float) prm->srate; //(float)(prm->srate * prm->ch * prm->ptime / 1000);
err = read_stream_open(st, prm, find_dev(device));
// st->hThread = CreateThread(NULL, 4096, sin_thread, st, 0, NULL);
// err = (st->hThread == NULL);
if (err) {
mem_deref(st);
st->rh = false;
} else
*stp = st;
return err;
}
static int src_alloc(struct ausrc_st **stp, struct ausrc *as,
struct media_ctx **ctx,
struct ausrc_prm *prm, const char *device,
ausrc_read_h *rh, ausrc_error_h *errh, void *arg)
{
struct ausrc_st *st;
int err;
(void)ctx;
(void)device;
(void)errh;
if (src_dev_count < 1) {
DEBUG_WARNING("no winwave play devices\n");
return ENODEV;
}
st = mem_zalloc(sizeof(*st), ausrc_destructor);
if (!st)
return ENOMEM;
st->as = mem_ref(as);
st->rh = rh;
st->arg = arg;
if (prm) {
prm->fmt = AUFMT_S16LE;
st->prm = *prm;
}
err = read_stream_open(st);
if (err)
mem_deref(st);
else
*stp = st;
return err;
}