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-rw-r--r--src/modules/rtp/module-rtp-recv.c18
-rw-r--r--src/modules/rtp/module-rtp-send.c42
-rw-r--r--src/modules/rtp/rtp.c21
-rw-r--r--src/modules/rtp/sap.c28
-rw-r--r--src/modules/rtp/sdp.c8
5 files changed, 69 insertions, 48 deletions
diff --git a/src/modules/rtp/module-rtp-recv.c b/src/modules/rtp/module-rtp-recv.c
index e04e4611..01637892 100644
--- a/src/modules/rtp/module-rtp-recv.c
+++ b/src/modules/rtp/module-rtp-recv.c
@@ -238,15 +238,15 @@ static int rtpoll_work_cb(pa_rtpoll_item *i) {
else
delta = j;
- pa_memblockq_seek(s->memblockq, delta * s->rtp_context.frame_size, PA_SEEK_RELATIVE);
+ pa_memblockq_seek(s->memblockq, delta * (int64_t) s->rtp_context.frame_size, PA_SEEK_RELATIVE);
pa_rtclock_get(&now);
- pa_smoother_put(s->smoother, pa_timeval_load(&now), pa_bytes_to_usec(pa_memblockq_get_write_index(s->memblockq), &s->sink_input->sample_spec));
+ pa_smoother_put(s->smoother, pa_timeval_load(&now), pa_bytes_to_usec((uint64_t) pa_memblockq_get_write_index(s->memblockq), &s->sink_input->sample_spec));
if (pa_memblockq_push(s->memblockq, &chunk) < 0) {
pa_log_warn("Queue overrun");
- pa_memblockq_seek(s->memblockq, chunk.length, PA_SEEK_RELATIVE);
+ pa_memblockq_seek(s->memblockq, (int64_t) chunk.length, PA_SEEK_RELATIVE);
}
pa_log("blocks in q: %u", pa_memblockq_get_nblocks(s->memblockq));
@@ -254,9 +254,9 @@ static int rtpoll_work_cb(pa_rtpoll_item *i) {
pa_memblock_unref(chunk.memblock);
/* The next timestamp we expect */
- s->offset = s->rtp_context.timestamp + (chunk.length / s->rtp_context.frame_size);
+ s->offset = s->rtp_context.timestamp + (uint32_t) (chunk.length / s->rtp_context.frame_size);
- pa_atomic_store(&s->timestamp, now.tv_sec);
+ pa_atomic_store(&s->timestamp, (int) now.tv_sec);
if (s->last_rate_update + RATE_UPDATE_INTERVAL < pa_timeval_load(&now)) {
pa_usec_t wi, ri, render_delay, sink_delay = 0, latency, fix;
@@ -265,7 +265,7 @@ static int rtpoll_work_cb(pa_rtpoll_item *i) {
pa_log("Updating sample rate");
wi = pa_smoother_get(s->smoother, pa_timeval_load(&now));
- ri = pa_bytes_to_usec(pa_memblockq_get_read_index(s->memblockq), &s->sink_input->sample_spec);
+ ri = pa_bytes_to_usec((uint64_t) pa_memblockq_get_read_index(s->memblockq), &s->sink_input->sample_spec);
if (PA_MSGOBJECT(s->sink_input->sink)->process_msg(PA_MSGOBJECT(s->sink_input->sink), PA_SINK_MESSAGE_GET_LATENCY, &sink_delay, 0, NULL) < 0)
sink_delay = 0;
@@ -291,7 +291,7 @@ static int rtpoll_work_cb(pa_rtpoll_item *i) {
fix = latency - s->intended_latency;
/* How many samples is this per second? */
- fix_samples = fix * s->sink_input->thread_info.sample_spec.rate / RATE_UPDATE_INTERVAL;
+ fix_samples = (unsigned) (fix * (pa_usec_t) s->sink_input->thread_info.sample_spec.rate / (pa_usec_t) RATE_UPDATE_INTERVAL);
/* Check if deviation is in bounds */
if (fix_samples > s->sink_input->sample_spec.rate*.20)
@@ -431,7 +431,7 @@ static struct session *session_new(struct userdata *u, const pa_sdp_info *sdp_in
s->smoother = pa_smoother_new(PA_USEC_PER_SEC*5, PA_USEC_PER_SEC*2, TRUE, 10);
pa_smoother_set_time_offset(s->smoother, pa_timeval_load(&now));
s->last_rate_update = pa_timeval_load(&now);
- pa_atomic_store(&s->timestamp, now.tv_sec);
+ pa_atomic_store(&s->timestamp, (int) now.tv_sec);
if ((fd = mcast_socket((const struct sockaddr*) &sdp_info->sa, sdp_info->salen)) < 0)
goto fail;
@@ -566,7 +566,7 @@ static void sap_event_cb(pa_mainloop_api *m, pa_io_event *e, int fd, pa_io_event
} else {
struct timeval now;
pa_rtclock_get(&now);
- pa_atomic_store(&s->timestamp, now.tv_sec);
+ pa_atomic_store(&s->timestamp, (int) now.tv_sec);
pa_sdp_info_destroy(&info);
}
diff --git a/src/modules/rtp/module-rtp-send.c b/src/modules/rtp/module-rtp-send.c
index d0d06c4d..280067a5 100644
--- a/src/modules/rtp/module-rtp-send.c
+++ b/src/modules/rtp/module-rtp-send.c
@@ -67,10 +67,12 @@ PA_MODULE_USAGE(
"destination=<destination IP address> "
"port=<port number> "
"mtu=<maximum transfer unit> "
- "loop=<loopback to local host?>"
+ "loop=<loopback to local host?> "
+ "ttl=<ttl value>"
);
#define DEFAULT_PORT 46000
+#define DEFAULT_TTL 1
#define SAP_PORT 9875
#define DEFAULT_DESTINATION "224.0.0.56"
#define MEMBLOCKQ_MAXLENGTH (1024*170)
@@ -86,6 +88,7 @@ static const char* const valid_modargs[] = {
"port",
"mtu" ,
"loop",
+ "ttl",
NULL
};
@@ -139,7 +142,7 @@ static void source_output_kill(pa_source_output* o) {
pa_source_output_assert_ref(o);
pa_assert_se(u = o->userdata);
- pa_module_unload_request(u->module);
+ pa_module_unload_request(u->module, TRUE);
pa_source_output_unlink(u->source_output);
pa_source_output_unref(u->source_output);
@@ -167,7 +170,9 @@ int pa__init(pa_module*m) {
pa_modargs *ma = NULL;
const char *dest;
uint32_t port = DEFAULT_PORT, mtu;
- int af, fd = -1, sap_fd = -1;
+ uint32_t ttl = DEFAULT_TTL;
+ sa_family_t af;
+ int fd = -1, sap_fd = -1;
pa_source *s;
pa_sample_spec ss;
pa_channel_map cm;
@@ -219,14 +224,14 @@ int pa__init(pa_module*m) {
payload = pa_rtp_payload_from_sample_spec(&ss);
- mtu = pa_frame_align(DEFAULT_MTU, &ss);
+ mtu = (uint32_t) pa_frame_align(DEFAULT_MTU, &ss);
if (pa_modargs_get_value_u32(ma, "mtu", &mtu) < 0 || mtu < 1 || mtu % pa_frame_size(&ss) != 0) {
pa_log("Invalid MTU.");
goto fail;
}
- port = DEFAULT_PORT + ((rand() % 512) << 1);
+ port = DEFAULT_PORT + ((uint32_t) (rand() % 512) << 1);
if (pa_modargs_get_value_u32(ma, "port", &port) < 0 || port < 1 || port > 0xFFFF) {
pa_log("port= expects a numerical argument between 1 and 65535.");
goto fail;
@@ -235,16 +240,21 @@ int pa__init(pa_module*m) {
if (port & 1)
pa_log_warn("Port number not even as suggested in RFC3550!");
+ if (pa_modargs_get_value_u32(ma, "ttl", &ttl) < 0 || ttl < 1 || ttl > 0xFF) {
+ pa_log("ttl= expects a numerical argument between 1 and 255.");
+ goto fail;
+ }
+
dest = pa_modargs_get_value(ma, "destination", DEFAULT_DESTINATION);
if (inet_pton(AF_INET6, dest, &sa6.sin6_addr) > 0) {
sa6.sin6_family = af = AF_INET6;
- sa6.sin6_port = htons(port);
+ sa6.sin6_port = htons((uint16_t) port);
sap_sa6 = sa6;
sap_sa6.sin6_port = htons(SAP_PORT);
} else if (inet_pton(AF_INET, dest, &sa4.sin_addr) > 0) {
sa4.sin_family = af = AF_INET;
- sa4.sin_port = htons(port);
+ sa4.sin_port = htons((uint16_t) port);
sap_sa4 = sa4;
sap_sa4.sin_port = htons(SAP_PORT);
} else {
@@ -257,7 +267,7 @@ int pa__init(pa_module*m) {
goto fail;
}
- if (connect(fd, af == AF_INET ? (struct sockaddr*) &sa4 : (struct sockaddr*) &sa6, af == AF_INET ? sizeof(sa4) : sizeof(sa6)) < 0) {
+ if (connect(fd, af == AF_INET ? (struct sockaddr*) &sa4 : (struct sockaddr*) &sa6, (socklen_t) (af == AF_INET ? sizeof(sa4) : sizeof(sa6))) < 0) {
pa_log("connect() failed: %s", pa_cstrerror(errno));
goto fail;
}
@@ -267,7 +277,7 @@ int pa__init(pa_module*m) {
goto fail;
}
- if (connect(sap_fd, af == AF_INET ? (struct sockaddr*) &sap_sa4 : (struct sockaddr*) &sap_sa6, af == AF_INET ? sizeof(sap_sa4) : sizeof(sap_sa6)) < 0) {
+ if (connect(sap_fd, af == AF_INET ? (struct sockaddr*) &sap_sa4 : (struct sockaddr*) &sap_sa6, (socklen_t) (af == AF_INET ? sizeof(sap_sa4) : sizeof(sap_sa6))) < 0) {
pa_log("connect() failed: %s", pa_cstrerror(errno));
goto fail;
}
@@ -279,6 +289,15 @@ int pa__init(pa_module*m) {
goto fail;
}
+ if (ttl != DEFAULT_TTL) {
+ int _ttl = (int) ttl;
+
+ if (setsockopt(fd, IPPROTO_IP, IP_MULTICAST_TTL, &_ttl, sizeof(_ttl)) < 0) {
+ pa_log("IP_MULTICAST_TTL failed: %s", pa_cstrerror(errno));
+ goto fail;
+ }
+ }
+
/* If the socket queue is full, let's drop packets */
pa_make_fd_nonblock(fd);
pa_make_udp_socket_low_delay(fd);
@@ -290,6 +309,7 @@ int pa__init(pa_module*m) {
pa_proplist_sets(data.proplist, "rtp.destination", dest);
pa_proplist_setf(data.proplist, "rtp.mtu", "%lu", (unsigned long) mtu);
pa_proplist_setf(data.proplist, "rtp.port", "%lu", (unsigned long) port);
+ pa_proplist_setf(data.proplist, "rtp.ttl", "%lu", (unsigned long) ttl);
data.driver = __FILE__;
data.module = m;
data.source = s;
@@ -335,14 +355,14 @@ int pa__init(pa_module*m) {
p = pa_sdp_build(af,
af == AF_INET ? (void*) &((struct sockaddr_in*) &sa_dst)->sin_addr : (void*) &((struct sockaddr_in6*) &sa_dst)->sin6_addr,
af == AF_INET ? (void*) &sa4.sin_addr : (void*) &sa6.sin6_addr,
- n, port, payload, &ss);
+ n, (uint16_t) port, payload, &ss);
pa_xfree(n);
pa_rtp_context_init_send(&u->rtp_context, fd, m->core->cookie, payload, pa_frame_size(&ss));
pa_sap_context_init_send(&u->sap_context, sap_fd, p);
- pa_log_info("RTP stream initialized with mtu %u on %s:%u, SSRC=0x%08x, payload=%u, initial sequence #%u", mtu, dest, port, u->rtp_context.ssrc, payload, u->rtp_context.sequence);
+ pa_log_info("RTP stream initialized with mtu %u on %s:%u ttl=%u, SSRC=0x%08x, payload=%u, initial sequence #%u", mtu, dest, port, ttl, u->rtp_context.ssrc, payload, u->rtp_context.sequence);
pa_log_info("SDP-Data:\n%s\nEOF", p);
pa_sap_send(&u->sap_context, 0);
diff --git a/src/modules/rtp/rtp.c b/src/modules/rtp/rtp.c
index 5a33ebc2..88351010 100644
--- a/src/modules/rtp/rtp.c
+++ b/src/modules/rtp/rtp.c
@@ -50,7 +50,7 @@ pa_rtp_context* pa_rtp_context_init_send(pa_rtp_context *c, int fd, uint32_t ssr
c->sequence = (uint16_t) (rand()*rand());
c->timestamp = 0;
c->ssrc = ssrc ? ssrc : (uint32_t) (rand()*rand());
- c->payload = payload & 127;
+ c->payload = (uint8_t) (payload & 127U);
c->frame_size = frame_size;
pa_memchunk_reset(&c->memchunk);
@@ -99,7 +99,8 @@ int pa_rtp_send(pa_rtp_context *c, size_t size, pa_memblockq *q) {
if (r < 0 || n >= size || iov_idx >= MAX_IOVECS) {
uint32_t header[3];
struct msghdr m;
- int k, i;
+ ssize_t k;
+ int i;
if (n > 0) {
header[0] = htonl(((uint32_t) 2 << 30) | ((uint32_t) c->payload << 16) | ((uint32_t) c->sequence));
@@ -112,7 +113,7 @@ int pa_rtp_send(pa_rtp_context *c, size_t size, pa_memblockq *q) {
m.msg_name = NULL;
m.msg_namelen = 0;
m.msg_iov = iov;
- m.msg_iovlen = iov_idx;
+ m.msg_iovlen = (size_t) iov_idx;
m.msg_control = NULL;
m.msg_controllen = 0;
m.msg_flags = 0;
@@ -128,7 +129,7 @@ int pa_rtp_send(pa_rtp_context *c, size_t size, pa_memblockq *q) {
} else
k = 0;
- c->timestamp += n/c->frame_size;
+ c->timestamp += (unsigned) (n/c->frame_size);
if (k < 0) {
if (errno != EAGAIN && errno != EINTR) /* If the queue is full, just ignore it */
@@ -162,7 +163,7 @@ int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool) {
struct msghdr m;
struct iovec iov;
uint32_t header;
- int cc;
+ unsigned cc;
ssize_t r;
pa_assert(c);
@@ -197,7 +198,7 @@ int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool) {
chunk->index = c->memchunk.index;
iov.iov_base = (uint8_t*) pa_memblock_acquire(chunk->memblock) + chunk->index;
- iov.iov_len = size;
+ iov.iov_len = (size_t) size;
m.msg_name = NULL;
m.msg_namelen = 0;
@@ -246,16 +247,16 @@ int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool) {
}
cc = (header >> 24) & 0xF;
- c->payload = (header >> 16) & 127;
- c->sequence = header & 0xFFFF;
+ c->payload = (uint8_t) ((header >> 16) & 127U);
+ c->sequence = (uint16_t) (header & 0xFFFFU);
- if (12 + cc*4 > size) {
+ if (12 + cc*4 > (unsigned) size) {
pa_log_warn("RTP packet too short. (CSRC)");
goto fail;
}
chunk->index += 12 + cc*4;
- chunk->length = size - 12 + cc*4;
+ chunk->length = (size_t) size - 12 + cc*4;
if (chunk->length % c->frame_size != 0) {
pa_log_warn("Bad RTP packet size.");
diff --git a/src/modules/rtp/sap.c b/src/modules/rtp/sap.c
index 5d9b58fa..b0c95aa5 100644
--- a/src/modules/rtp/sap.c
+++ b/src/modules/rtp/sap.c
@@ -76,7 +76,7 @@ int pa_sap_send(pa_sap_context *c, pa_bool_t goodbye) {
socklen_t salen = sizeof(sa_buf);
struct iovec iov[4];
struct msghdr m;
- int k;
+ ssize_t k;
if (getsockname(c->fd, sa, &salen) < 0) {
pa_log("getsockname() failed: %s\n", pa_cstrerror(errno));
@@ -94,7 +94,7 @@ int pa_sap_send(pa_sap_context *c, pa_bool_t goodbye) {
iov[0].iov_len = sizeof(header);
iov[1].iov_base = sa->sa_family == AF_INET ? (void*) &((struct sockaddr_in*) sa)->sin_addr : (void*) &((struct sockaddr_in6*) sa)->sin6_addr;
- iov[1].iov_len = sa->sa_family == AF_INET ? 4 : 16;
+ iov[1].iov_len = sa->sa_family == AF_INET ? 4U : 16U;
iov[2].iov_base = (char*) MIME_TYPE;
iov[2].iov_len = sizeof(MIME_TYPE);
@@ -113,7 +113,7 @@ int pa_sap_send(pa_sap_context *c, pa_bool_t goodbye) {
if ((k = sendmsg(c->fd, &m, MSG_DONTWAIT)) < 0)
pa_log_warn("sendmsg() failed: %s\n", pa_cstrerror(errno));
- return k;
+ return (int) k;
}
pa_sap_context* pa_sap_context_init_recv(pa_sap_context *c, int fd) {
@@ -128,10 +128,10 @@ pa_sap_context* pa_sap_context_init_recv(pa_sap_context *c, int fd) {
int pa_sap_recv(pa_sap_context *c, pa_bool_t *goodbye) {
struct msghdr m;
struct iovec iov;
- int size, k;
+ int size;
char *buf = NULL, *e;
uint32_t header;
- int six, ac;
+ unsigned six, ac, k;
ssize_t r;
pa_assert(c);
@@ -142,11 +142,11 @@ int pa_sap_recv(pa_sap_context *c, pa_bool_t *goodbye) {
goto fail;
}
- buf = pa_xnew(char, size+1);
+ buf = pa_xnew(char, (unsigned) size+1);
buf[size] = 0;
iov.iov_base = buf;
- iov.iov_len = size;
+ iov.iov_len = (size_t) size;
m.msg_name = NULL;
m.msg_namelen = 0;
@@ -184,21 +184,21 @@ int pa_sap_recv(pa_sap_context *c, pa_bool_t *goodbye) {
goto fail;
}
- six = (header >> 28) & 1;
- ac = (header >> 16) & 0xFF;
+ six = (header >> 28) & 1U;
+ ac = (header >> 16) & 0xFFU;
- k = 4 + (six ? 16 : 4) + ac*4;
- if (size < k) {
+ k = 4 + (six ? 16U : 4U) + ac*4U;
+ if ((unsigned) size < k) {
pa_log_warn("SAP packet too short (AD).");
goto fail;
}
e = buf + k;
- size -= k;
+ size -= (int) k;
if ((unsigned) size >= sizeof(MIME_TYPE) && !strcmp(e, MIME_TYPE)) {
e += sizeof(MIME_TYPE);
- size -= sizeof(MIME_TYPE);
+ size -= (int) sizeof(MIME_TYPE);
} else if ((unsigned) size < sizeof(PA_SDP_HEADER)-1 || strncmp(e, PA_SDP_HEADER, sizeof(PA_SDP_HEADER)-1)) {
pa_log_warn("Invalid SDP header.");
goto fail;
@@ -207,7 +207,7 @@ int pa_sap_recv(pa_sap_context *c, pa_bool_t *goodbye) {
if (c->sdp_data)
pa_xfree(c->sdp_data);
- c->sdp_data = pa_xstrndup(e, size);
+ c->sdp_data = pa_xstrndup(e, (unsigned) size);
pa_xfree(buf);
*goodbye = !!((header >> 26) & 1);
diff --git a/src/modules/rtp/sdp.c b/src/modules/rtp/sdp.c
index cef90433..59989e1a 100644
--- a/src/modules/rtp/sdp.c
+++ b/src/modules/rtp/sdp.c
@@ -55,7 +55,7 @@ char *pa_sdp_build(int af, const void *src, const void *dst, const char *name, u
if (!(u = pa_get_user_name(un, sizeof(un))))
u = "-";
- ntp = time(NULL) + 2208988800U;
+ ntp = (uint32_t) time(NULL) + 2208988800U;
pa_assert_se(a = inet_ntop(af, src, buf_src, sizeof(buf_src)));
pa_assert_se(a = inet_ntop(af, dst, buf_dst, sizeof(buf_dst)));
@@ -99,10 +99,10 @@ static pa_sample_spec *parse_sdp_sample_spec(pa_sample_spec *ss, char *c) {
return NULL;
if (sscanf(c, "%u/%u", &rate, &channels) == 2) {
- ss->rate = rate;
- ss->channels = channels;
+ ss->rate = (uint32_t) rate;
+ ss->channels = (uint8_t) channels;
} else if (sscanf(c, "%u", &rate) == 2) {
- ss->rate = rate;
+ ss->rate = (uint32_t) rate;
ss->channels = 1;
} else
return NULL;
generated by cgit (git 2.34.1) at 2024-05-14 04:19:24 +0000