annotate src/rtp_rx.c @ 25:e67b3bb87d1b

RTP Tx: network byte order
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 07 Jul 2024 17:41:19 +0000
parents 9e477a4b485a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
23
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * Here we implement RTP Rx path via osmo_io callback.
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 */
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 #include <stdint.h>
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <stdbool.h>
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <osmocom/core/msgb.h>
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <osmocom/core/osmo_io.h>
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <osmocom/core/socket.h>
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <osmocom/core/utils.h>
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 #include <themwi/rtp/endp.h>
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 #include <themwi/rtp/twjit.h>
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 #include "endp_internal.h"
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 static void rtp_rx_cb(struct osmo_io_fd *iofd, int res, struct msgb *msg,
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18 const struct osmo_sockaddr *saddr)
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 {
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 struct twrtp_endp *endp = osmo_iofd_get_data(iofd);
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 if (!msg)
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 return;
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 if (!endp->remote_set) {
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 msgb_free(msg);
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 return;
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 }
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 if (osmo_sockaddr_cmp(saddr, &endp->rtp_remote)) {
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 endp->stats.rx_rtp_badsrc++;
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 msgb_free(msg);
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 return;
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 }
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 endp->stats.rx_rtp_pkt++;
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 if (endp->rx_enable)
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 twrtp_jibuf_input(endp->twjit, msg);
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 else
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 msgb_free(msg);
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 }
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 const struct osmo_io_ops _twrtp_endp_iops_rtp = {
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 .recvfrom_cb = rtp_rx_cb,
9e477a4b485a endp: implement RTP Rx
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 };