Merge ../paraslash.fml/paraslash
[paraslash.git] / ortp_send.c
index 1521b63..deb7d94 100644 (file)
 
 /** \file ortp_send.c para_server's ortp sender */
 
+#include <ortp/ortp.h>
 
 #include "server.cmdline.h"
 #include "server.h"
 #include "afs.h"
 #include "send.h"
 #include "list.h"
-#include <ortp/ortp.h>
 #include "ortp.h"
 #include "string.h"
 
@@ -32,8 +32,6 @@
 #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 */
 struct ortp_target {
 /** address info */
@@ -54,7 +52,6 @@ struct ortp_target {
        RtpSession *session;
 };
 
-static int numtargets;
 static struct list_head targets;
 static struct sender *self;
 
@@ -66,7 +63,6 @@ static void ortp_delete_target(struct ortp_target *ot, const char *msg)
                rtp_session_destroy(ot->session);
                ot->session = NULL;
        }
-       numtargets--;
        list_del(&ot->node);
        free(ot);
 }
@@ -77,14 +73,12 @@ static void ortp_send_buf(char *buf, int len, long unsigned chunks_sent)
        int ret;
 
        list_for_each_entry_safe(ot, tmp, &targets, node) {
-               struct timeval now;
                int ts;
-               gettimeofday(&now, NULL);
                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, len, ts);
                ot->last_ts = ts;
                if (ret < 0)
                        ortp_delete_target(ot, "send error");
@@ -93,6 +87,20 @@ static void ortp_send_buf(char *buf, int len, long unsigned chunks_sent)
        }
 }
 
+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;
@@ -103,55 +111,72 @@ static void ortp_init_session(struct ortp_target *ot)
        if (!ot->session)
                return;
        s = ot->session;
-//     rtp_session_set_jitter_compensation(ot->session, 100);
+       if (conf.ortp_jitter_compensation_arg) {
+               rtp_session_enable_adaptive_jitter_compensation(ot->session, TRUE);
+               rtp_session_set_jitter_compensation(ot->session,
+                       conf.ortp_jitter_compensation_arg);
+       }
        /* always successful */
        rtp_session_set_send_payload_type(s, PAYLOAD_AUDIO_CONTINUOUS);
        ret = rtp_session_set_remote_addr(s, TARGET_ADDR(ot), ot->port);
        if (ret < 0) {
                rtp_session_destroy(ot->session);
                ot->session = NULL;
+               return;
        }
+       set_multicast(s);
 }
 
 /* called by afs */
 static void ortp_shutdown_targets(void)
 {
-       char buf[2];
+       unsigned char buf[ORTP_AUDIO_HEADER_LEN];
        struct ortp_target *ot, *tmp;
 
-       buf[0] = ORTP_EOF;
+       WRITE_PACKET_TYPE(buf, ORTP_EOF);
        list_for_each_entry_safe(ot, tmp, &targets, node) {
                if (!ot->session || !ot->streaming)
                        continue;
-               PARA_INFO_LOG("sending eof to ortp target %s:%d, ts = %d\n", TARGET_ADDR(ot), ot->port,
-                       ot->last_ts);
-               rtp_session_send_with_ts(ot->session, buf, 1, ot->last_ts);
+               PARA_INFO_LOG("sending eof to ortp target %s:%d, ts = %d\n",
+                       TARGET_ADDR(ot), ot->port, ot->last_ts);
+               rtp_session_send_with_ts(ot->session, buf,
+                       ORTP_AUDIO_HEADER_LEN, ot->last_ts);
                ot->streaming = 0;
                ot->chunk_ts = 0;
                rtp_session_reset(ot->session);
        }
 }
 
-static int need_extra_header(struct audio_format *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 *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;
-       size_t header_len = 0;
-       int packet_type = ORTP_DATA, stream_type = af && af->get_header_info; /* header stream? */
+       int header_len = 0;
+       int packet_type = ORTP_DATA;
        char *sendbuf, *header_buf = NULL;
+       struct timeval *chunk_tv;
 
        if (self->status != SENDER_ON)
                return;
+       chunk_tv = afs_chunk_time();
+       if (!chunk_tv)
+               return;
        list_for_each_entry_safe(ot, tmp, &targets, node) {
                if (!ot->session) {
                        ortp_init_session(ot);
@@ -159,17 +184,17 @@ static void ortp_send(struct audio_format *af, long unsigned current_chunk,
                                continue;
                }
                if (!ot->chunk_ts)
-                       ot->chunk_ts = rtp_session_time_to_ts(ot->session, tv2ms(&af->chunk_tv));
-//             PARA_DEBUG_LOG("len: %d, af: %p, ts: %d\n", len, af, ot->chunk_ts);
+                       ot->chunk_ts = rtp_session_time_to_ts(ot->session,
+                               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 = afs_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)
@@ -177,8 +202,8 @@ static void ortp_send(struct audio_format *af, long unsigned 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,
@@ -188,14 +213,14 @@ static void ortp_send(struct audio_format *af, long unsigned current_chunk,
        free(sendbuf);
 }
 
-static int ortp_com_on(struct sender_command_data *scd)
+static int ortp_com_on(__a_unused struct sender_command_data *scd)
 {
 
        self->status = SENDER_ON;
        return 1;
 }
 
-static int ortp_com_off(struct sender_command_data *scd)
+static int ortp_com_off(__a_unused struct sender_command_data *scd)
 {
        ortp_shutdown_targets();
        self->status = SENDER_OFF;
@@ -286,8 +311,8 @@ success:
        }
 }
 
-static void ortp_pre_select(struct audio_format *af, int *max_fileno,
-               fd_set *rfds, fd_set *wfds)
+static void ortp_pre_select(__a_unused  int *max_fileno, __a_unused fd_set *rfds,
+       __a_unused fd_set *wfds)
 {
        return;
 }
@@ -311,7 +336,6 @@ static char *ortp_help(void)
 void ortp_send_init(struct sender *s)
 {
        ortp_init();
-       ortp_set_debug_file("oRTP", NULL);
        INIT_LIST_HEAD(&targets);
        s->info = ortp_info;
        s->help = ortp_help;