int audio_alloc(struct audio **ap, const struct config *cfg,
struct call *call, struct sdp_session *sdp_sess, int label,
const struct mnat *mnat, struct mnat_sess *mnat_sess,
const struct menc *menc, struct menc_sess *menc_sess,
uint32_t ptime, const struct list *aucodecl,
audio_event_h *eventh, audio_err_h *errh, void *arg)
{
struct audio *a;
struct autx *tx;
struct aurx *rx;
struct le *le;
int err;
if (!ap || !cfg)
return EINVAL;
a = mem_zalloc(sizeof(*a), audio_destructor);
if (!a)
return ENOMEM;
MAGIC_INIT(a);
a->cfg = cfg->audio;
tx = &a->tx;
rx = &a->rx;
err = stream_alloc(&a->strm, &cfg->avt, call, sdp_sess,
"audio", label,
mnat, mnat_sess, menc, menc_sess,
stream_recv_handler, NULL, a);
if (err)
goto out;
stream_set_bw(a->strm, AUDIO_BANDWIDTH);
err = sdp_media_set_lattr(stream_sdpmedia(a->strm), true,
"ptime", "%u", ptime);
if (err)
goto out;
/* Audio codecs */
for (le = list_head(aucodecl); le; le = le->next) {
err = add_audio_codec(a, stream_sdpmedia(a->strm), le->data);
if (err)
goto out;
}
tx->mb = mbuf_alloc(STREAM_PRESZ + 4096);
tx->sampv = mem_zalloc(AUDIO_SAMPSZ * 2, NULL);
rx->sampv = mem_zalloc(AUDIO_SAMPSZ * 2, NULL);
if (!tx->mb || !tx->sampv || !rx->sampv) {
err = ENOMEM;
goto out;
}
err = telev_alloc(&a->telev, TELEV_PTIME);
if (err)
goto out;
err = add_telev_codec(a);
if (err)
goto out;
tx->ptime = ptime;
tx->ts = 160;
tx->marker = true;
rx->pt = -1;
rx->ptime = ptime;
a->eventh = eventh;
a->errh = errh;
a->arg = arg;
if (a->cfg.txmode == AUDIO_MODE_TMR)
tmr_init(&tx->u.tmr);
out:
if (err)
mem_deref(a);
else
*ap = a;
return err;
}
int audio_alloc2(struct audio **ap, const struct config *cfg,
const char* forced_src_mod, const char* forced_dev_name,
struct sdp_media * sdp,
uint32_t ptime,
audio_event_h *eventh, audio_err_h *errh, void *arg)
{
struct audio *a;
struct autx *tx;
struct aurx *rx;
struct le *le;
int err;
if (!ap || !cfg) return EINVAL;
a = mem_zalloc(sizeof(*a), audio_destructor);
if (!a) return ENOMEM;
MAGIC_INIT(a);
a->cfg = cfg->audio;
if (forced_src_mod) {
str_ncpy(a->cfg.src_mod, forced_src_mod, sizeof(a->cfg.src_mod));
}
if (forced_dev_name) {
str_ncpy(a->cfg.src_dev, forced_dev_name, sizeof(a->cfg.src_dev));
}
tx = &a->tx;
rx = &a->rx;
err = stream_alloc2(&a->strm, &cfg->avt, sdp, AF_INET, "audio", 0, stream_recv_handler, NULL, a);
if (err) goto out;
stream_set_bw(a->strm, AUDIO_BANDWIDTH);
tx->mb = mbuf_alloc(STREAM_PRESZ + 4096);
tx->sampv = mem_zalloc(AUDIO_SAMPSZ * 2, NULL);
rx->sampv = mem_zalloc(AUDIO_SAMPSZ * 2, NULL);
if (!tx->mb || !tx->sampv || !rx->sampv) {
err = ENOMEM;
goto out;
}
str_ncpy(tx->device, a->cfg.src_dev, sizeof(tx->device));
tx->ptime = ptime;
tx->ts = rand_u16();
tx->marker = true;
str_ncpy(rx->device, a->cfg.play_dev, sizeof(rx->device));
rx->pt = -1;
rx->ptime = ptime;
a->eventh = eventh;
a->errh = errh;
a->arg = arg;
if (a->cfg.txmode == AUDIO_MODE_TMR) {
tmr_init(&tx->u.tmr);
}
out:
if (err) {
mem_deref(a);
} else {
*ap = a;
}
return err;
}