/*
- * Copyright (C) 2005-2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005-2008 Andre Noll <maan@systemlinux.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Licensed under the GPL v2. For licencing details see COPYING.
*/
/** \file ortp_send.c para_server's ortp sender */
#include <ortp/ortp.h>
+#include <ortp/port.h>
#include "server.cmdline.h"
-#include "server.h"
+#include "para.h"
+#include "error.h"
+#include "string.h"
+#include "afh.h"
#include "afs.h"
-#include "send.h"
+#include "server.h"
+#include "vss.h"
#include "list.h"
+#include "send.h"
#include "ortp.h"
-#include "string.h"
-/** \cond convert in_addr to ascii */
+/** Convert in_addr to ascii. */
#define TARGET_ADDR(oc) inet_ntoa((oc)->addr)
-/** \endcond */
-extern struct gengetopt_args_info conf;
-
-/** describes one entry in the list of targets for the ortp sender */
+/** Describes one entry in the list of targets for the ortp sender. */
struct ortp_target {
-/** address info */
+ /** Address info. */
struct in_addr addr;
-/** whether the ortp sender is activated */
+ /** Whether the ortp sender is activated. */
int status;
-/** the ortp timestamp increases by this amount */
- int chunk_ts;
-/** the currently used timestamp for this target */
- int last_ts;
-/** the position of this target in the list of targets */
+ /** The ortp timestamp increases by this amount. */
+ uint32_t chunk_ts;
+ /** The currently used timestamp for this target. */
+ uint32_t last_ts;
+ /** The position of this target in the list of targets. */
struct list_head node;
-/** the UDP port */
+ /** The UDP port. */
int port;
-/** non-zero if at least one chunk has been sent to this target */
+ /** Non-zero if at least one chunk has been sent to this target. */
int streaming;
-/** the session pointer from libortp */
+ /** The session pointer from libortp. */
RtpSession *session;
};
static struct list_head targets;
static struct sender *self;
+static int sender_status;
static void ortp_delete_target(struct ortp_target *ot, const char *msg)
{
free(ot);
}
-static void ortp_send_buf(char *buf, int len, long unsigned chunks_sent)
+static void ortp_send_buf(char *buf, size_t len, long unsigned chunks_sent)
{
struct ortp_target *ot, *tmp;
- int ret;
+ int ret, ortp_len = len; /* rtp_session_send_with_ts expects int */
+ if (ortp_len < 0)
+ return;
list_for_each_entry_safe(ot, tmp, &targets, node) {
- int ts;
+ uint32_t ts;
if (!ot->session)
continue;
WRITE_CHUNK_TS(buf, ot->chunk_ts);
ts = ot->chunk_ts * chunks_sent;
- ret = rtp_session_send_with_ts(ot->session, buf, len, ts);
+ ret = rtp_session_send_with_ts(ot->session,
+ (unsigned char*)buf, ortp_len, ts);
ot->last_ts = ts;
if (ret < 0)
ortp_delete_target(ot, "send error");
- if (ret != len +12)
+ if (ret != len + 12)
PARA_NOTICE_LOG("short write %d\n", ret);
}
}
+static int set_multicast(RtpSession *s)
+{
+ unsigned char loop = 1;
+ int ret;
+
+ ret = setsockopt(s->rtp.socket,
+ IPPROTO_IP, IP_MULTICAST_LOOP, &loop, sizeof(loop));
+ if (ret < 0) {
+ PARA_ERROR_LOG("IP_MULTICAST_LOOP error %d\n", ret);
+
+ }
+ return 1;
+}
+
static void ortp_init_session(struct ortp_target *ot)
{
RtpSession *s;
if (ret < 0) {
rtp_session_destroy(ot->session);
ot->session = NULL;
+ return;
}
+ set_multicast(s);
}
-/* called by afs */
+/* called by vss */
static void ortp_shutdown_targets(void)
{
- char buf[ORTP_AUDIO_HEADER_LEN];
+ unsigned char buf[ORTP_AUDIO_HEADER_LEN];
struct ortp_target *ot, *tmp;
WRITE_PACKET_TYPE(buf, ORTP_EOF);
}
}
-static int need_extra_header(struct audio_format_handler *af,
- long unsigned chunks_sent)
+static int need_extra_header(long unsigned current_chunk)
{
- /* FIXME: No need to compute this on every run */
- int mod = conf.ortp_header_interval_arg / (tv2ms(&af->chunk_tv) + 1);
- if (mod && (chunks_sent % mod))
+ static struct timeval last_header;
+ struct timeval now, diff;
+
+ if (!current_chunk)
return 0;
+ gettimeofday(&now, NULL);
+ tv_diff(&now, &last_header, &diff);
+ if (tv2ms(&diff) < conf.ortp_header_interval_arg)
+ return 0;
+ last_header = now;
return 1;
}
-static void ortp_send(struct audio_format_handler *af, long unsigned current_chunk,
- long unsigned chunks_sent, const char *buf, size_t len)
+static void ortp_send(long unsigned current_chunk, long unsigned chunks_sent,
+ const char *buf, size_t len)
{
struct ortp_target *ot, *tmp;
size_t sendbuf_len;
- int header_len = 0;
- int packet_type = ORTP_DATA, stream_type = af && af->get_header_info; /* header stream? */
+ size_t header_len = 0;
+ int packet_type = ORTP_DATA;
char *sendbuf, *header_buf = NULL;
+ struct timeval *chunk_tv;
+
+ if (sender_status != SENDER_ON)
+ return;
- if (self->status != SENDER_ON)
+// PARA_NOTICE_LOG("sending %lu\n", current_chunk);
+ chunk_tv = vss_chunk_time();
+ if (!chunk_tv)
return;
list_for_each_entry_safe(ot, tmp, &targets, node) {
if (!ot->session) {
}
if (!ot->chunk_ts)
ot->chunk_ts = rtp_session_time_to_ts(ot->session,
- tv2ms(&af->chunk_tv));
+ (int)tv2ms(chunk_tv));
// PARA_DEBUG_LOG("len: %d, ts: %lu, ts: %d\n",
// len, ot->chunk_ts * chunks_sent, ot->chunk_ts);
ot->streaming = 1;
}
if (list_empty(&targets))
return;
- if (stream_type) {
- header_buf = af->get_header_info(&header_len);
- if (!need_extra_header(af, chunks_sent))
- header_len = 0;
- }
+ header_buf = vss_get_header(&header_len);
+ if (!need_extra_header(current_chunk))
+ header_len = 0;
sendbuf_len = ORTP_AUDIO_HEADER_LEN + header_len + len;
sendbuf = para_malloc(sendbuf_len);
if (!current_chunk)
else if (header_len)
packet_type = ORTP_HEADER;
WRITE_PACKET_TYPE(sendbuf, packet_type);
- WRITE_CHUNK_TIME(sendbuf, af->chunk_tv.tv_usec);
- WRITE_STREAM_TYPE(sendbuf, stream_type);
+ WRITE_CHUNK_TIME(sendbuf, chunk_tv->tv_usec);
+ WRITE_STREAM_TYPE(sendbuf, header_buf? 1 : 0);
WRITE_HEADER_LEN(sendbuf, header_len);
if (header_len)
memcpy(sendbuf + ORTP_AUDIO_HEADER_LEN, header_buf,
static int ortp_com_on(__a_unused struct sender_command_data *scd)
{
- self->status = SENDER_ON;
+ sender_status = SENDER_ON;
return 1;
}
static int ortp_com_off(__a_unused struct sender_command_data *scd)
{
ortp_shutdown_targets();
- self->status = SENDER_OFF;
+ sender_status = SENDER_OFF;
return 1;
}
ot->addr = *addr;
PARA_INFO_LOG("adding to target list (%s:%d)\n",
TARGET_ADDR(ot), ot->port);
- list_add(&ot->node, &targets);
+ para_list_add(&ot->node, &targets);
}
static int ortp_com_add(struct sender_command_data *scd)
"ortp status: %s\n"
"ortp default port: udp %d\n"
"ortp targets: %s\n",
- (self->status == SENDER_ON)? "on" : "off",
+ (sender_status == SENDER_ON)? "on" : "off",
conf.ortp_default_port_arg,
tgts? tgts : "(none)"
);
if (!p)
goto err;
*p = '\0';
- if (!inet_aton(arg, &addr))
+ if (!inet_pton(AF_INET, arg, &addr))
goto err;
port = atoi(++p);
if (port < 0 || port > 65535)
}
}
-static void ortp_pre_select(__a_unused struct audio_format_handler *af,
- __a_unused int *max_fileno, __a_unused fd_set *rfds,
- __a_unused fd_set *wfds)
-{
- return;
-}
-
static char *ortp_help(void)
{
return make_message(
s->info = ortp_info;
s->help = ortp_help;
s->send = ortp_send;
- s->pre_select = ortp_pre_select;
+ s->pre_select = NULL;
s->post_select = NULL;
s->shutdown_clients = ortp_shutdown_targets;
s->client_cmds[SENDER_ON] = ortp_com_on;
s->client_cmds[SENDER_ADD] = ortp_com_add;
s->client_cmds[SENDER_DELETE] = ortp_com_delete;
self = s;
- s->status = SENDER_OFF;
+ sender_status = SENDER_OFF;
ortp_init_target_list();
if (!conf.ortp_no_autostart_given)
- s->status = SENDER_ON;
+ sender_status = SENDER_ON;
PARA_DEBUG_LOG("%s", "ortp sender init complete\n");
}
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