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-rw-r--r--src/modules/rtp/module-rtp-recv.c107
-rw-r--r--src/modules/rtp/module-rtp-send.c20
-rw-r--r--src/modules/rtp/rtp.c21
-rw-r--r--src/modules/rtp/rtp.h2
-rw-r--r--src/modules/rtp/rtsp_client.c7
5 files changed, 104 insertions, 53 deletions
diff --git a/src/modules/rtp/module-rtp-recv.c b/src/modules/rtp/module-rtp-recv.c
index 33e23af2..5caf8272 100644
--- a/src/modules/rtp/module-rtp-recv.c
+++ b/src/modules/rtp/module-rtp-recv.c
@@ -33,6 +33,7 @@
#include <unistd.h>
#include <poll.h>
+#include <pulse/rtclock.h>
#include <pulse/timeval.h>
#include <pulse/xmalloc.h>
@@ -43,15 +44,17 @@
#include <pulsecore/sink-input.h>
#include <pulsecore/memblockq.h>
#include <pulsecore/log.h>
+#include <pulsecore/core-rtclock.h>
#include <pulsecore/core-util.h>
#include <pulsecore/modargs.h>
#include <pulsecore/namereg.h>
#include <pulsecore/sample-util.h>
#include <pulsecore/macro.h>
#include <pulsecore/atomic.h>
-#include <pulsecore/rtclock.h>
#include <pulsecore/atomic.h>
#include <pulsecore/time-smoother.h>
+#include <pulsecore/socket-util.h>
+#include <pulsecore/once.h>
#include "module-rtp-recv-symdef.h"
@@ -60,7 +63,7 @@
#include "sap.h"
PA_MODULE_AUTHOR("Lennart Poettering");
-PA_MODULE_DESCRIPTION("Recieve data from a network via RTP/SAP/SDP");
+PA_MODULE_DESCRIPTION("Receive data from a network via RTP/SAP/SDP");
PA_MODULE_VERSION(PACKAGE_VERSION);
PA_MODULE_LOAD_ONCE(FALSE);
PA_MODULE_USAGE(
@@ -110,6 +113,7 @@ struct session {
struct userdata {
pa_module *module;
+ pa_core *core;
pa_sap_context sap_context;
pa_io_event* sap_event;
@@ -165,7 +169,7 @@ static void sink_input_process_rewind_cb(pa_sink_input *i, size_t nbytes) {
pa_memblockq_rewind(s->memblockq, nbytes);
}
-/* Called from thread context */
+/* Called from I/O thread context */
static void sink_input_update_max_rewind_cb(pa_sink_input *i, size_t nbytes) {
struct session *s;
@@ -184,11 +188,24 @@ static void sink_input_kill(pa_sink_input* i) {
session_free(s);
}
+/* Called from IO context */
+static void sink_input_suspend_within_thread(pa_sink_input* i, pa_bool_t b) {
+ struct session *s;
+ pa_sink_input_assert_ref(i);
+ pa_assert_se(s = i->userdata);
+
+ if (b) {
+ pa_smoother_pause(s->smoother, pa_rtclock_now());
+ pa_memblockq_flush_read(s->memblockq);
+ } else
+ s->first_packet = FALSE;
+}
+
/* Called from I/O thread context */
static int rtpoll_work_cb(pa_rtpoll_item *i) {
pa_memchunk chunk;
int64_t k, j, delta;
- struct timeval now;
+ struct timeval now = { 0, 0 };
struct session *s;
struct pollfd *p;
@@ -206,10 +223,11 @@ static int rtpoll_work_cb(pa_rtpoll_item *i) {
p->revents = 0;
- if (pa_rtp_recv(&s->rtp_context, &chunk, s->userdata->module->core->mempool) < 0)
+ if (pa_rtp_recv(&s->rtp_context, &chunk, s->userdata->module->core->mempool, &now) < 0)
return 0;
- if (s->sdp_info.payload != s->rtp_context.payload) {
+ if (s->sdp_info.payload != s->rtp_context.payload ||
+ !PA_SINK_IS_OPENED(s->sink_input->sink->thread_info.state)) {
pa_memblock_unref(chunk.memblock);
return 0;
}
@@ -229,7 +247,7 @@ static int rtpoll_work_cb(pa_rtpoll_item *i) {
}
}
- /* Check wheter there was a timestamp overflow */
+ /* Check whether there was a timestamp overflow */
k = (int64_t) s->rtp_context.timestamp - (int64_t) s->offset;
j = (int64_t) 0x100000000LL - (int64_t) s->offset + (int64_t) s->rtp_context.timestamp;
@@ -238,15 +256,24 @@ static int rtpoll_work_cb(pa_rtpoll_item *i) {
else
delta = j;
- pa_memblockq_seek(s->memblockq, delta * (int64_t) s->rtp_context.frame_size, PA_SEEK_RELATIVE);
+ pa_memblockq_seek(s->memblockq, delta * (int64_t) s->rtp_context.frame_size, PA_SEEK_RELATIVE, TRUE);
- pa_rtclock_get(&now);
+ if (now.tv_sec == 0) {
+ PA_ONCE_BEGIN {
+ pa_log_warn("Using artificial time instead of timestamp");
+ } PA_ONCE_END;
+ pa_rtclock_get(&now);
+ } else
+ pa_rtclock_from_wallclock(&now);
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));
+ /* Tell the smoother that we are rolling now, in case it is still paused */
+ pa_smoother_resume(s->smoother, pa_timeval_load(&now), TRUE);
+
if (pa_memblockq_push(s->memblockq, &chunk) < 0) {
pa_log_warn("Queue overrun");
- pa_memblockq_seek(s->memblockq, (int64_t) chunk.length, PA_SEEK_RELATIVE);
+ pa_memblockq_seek(s->memblockq, (int64_t) chunk.length, PA_SEEK_RELATIVE, TRUE);
}
/* pa_log("blocks in q: %u", pa_memblockq_get_nblocks(s->memblockq)); */
@@ -262,14 +289,14 @@ static int rtpoll_work_cb(pa_rtpoll_item *i) {
pa_usec_t wi, ri, render_delay, sink_delay = 0, latency, fix;
unsigned fix_samples;
- pa_log("Updating sample rate");
+ pa_log_debug("Updating sample rate");
wi = pa_smoother_get(s->smoother, pa_timeval_load(&now));
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;
+ pa_log_debug("wi=%lu ri=%lu", (unsigned long) wi, (unsigned long) ri);
+ sink_delay = pa_sink_get_latency_within_thread(s->sink_input->sink);
render_delay = pa_bytes_to_usec(pa_memblockq_get_length(s->sink_input->thread_info.render_memblockq), &s->sink_input->sink->sample_spec);
if (ri > render_delay+sink_delay)
@@ -294,14 +321,20 @@ static int rtpoll_work_cb(pa_rtpoll_item *i) {
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)
+ if (fix_samples > s->sink_input->sample_spec.rate*.50)
pa_log_debug("Hmmm, rate fix is too large (%lu Hz), not applying.", (unsigned long) fix_samples);
+ else {
+ /* Fix up rate */
+ if (latency < s->intended_latency)
+ s->sink_input->sample_spec.rate -= fix_samples;
+ else
+ s->sink_input->sample_spec.rate += fix_samples;
+
+ if (s->sink_input->sample_spec.rate > PA_RATE_MAX)
+ s->sink_input->sample_spec.rate = PA_RATE_MAX;
+ }
- /* Fix up rate */
- if (latency < s->intended_latency)
- s->sink_input->sample_spec.rate -= fix_samples;
- else
- s->sink_input->sample_spec.rate += fix_samples;
+ pa_assert(pa_sample_spec_valid(&s->sink_input->sample_spec));
pa_resampler_set_input_rate(s->sink_input->thread_info.resampler, s->sink_input->sample_spec.rate);
@@ -362,6 +395,14 @@ static int mcast_socket(const struct sockaddr* sa, socklen_t salen) {
goto fail;
}
+ pa_make_udp_socket_low_delay(fd);
+
+ one = 1;
+ if (setsockopt(fd, SOL_SOCKET, SO_TIMESTAMP, &one, sizeof(one)) < 0) {
+ pa_log("SO_TIMESTAMP failed: %s", pa_cstrerror(errno));
+ goto fail;
+ }
+
one = 1;
if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)) < 0) {
pa_log("SO_REUSEADDR failed: %s", pa_cstrerror(errno));
@@ -430,8 +471,14 @@ static struct session *session_new(struct userdata *u, const pa_sdp_info *sdp_in
s->sdp_info = *sdp_info;
s->rtpoll_item = NULL;
s->intended_latency = LATENCY_USEC;
- 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->smoother = pa_smoother_new(
+ PA_USEC_PER_SEC*5,
+ PA_USEC_PER_SEC*2,
+ TRUE,
+ TRUE,
+ 10,
+ pa_timeval_load(&now),
+ TRUE);
s->last_rate_update = pa_timeval_load(&now);
pa_atomic_store(&s->timestamp, (int) now.tv_sec);
@@ -472,6 +519,7 @@ static struct session *session_new(struct userdata *u, const pa_sdp_info *sdp_in
s->sink_input->kill = sink_input_kill;
s->sink_input->attach = sink_input_attach;
s->sink_input->detach = sink_input_detach;
+ s->sink_input->suspend_within_thread = sink_input_suspend_within_thread;
pa_sink_input_get_silence(s->sink_input, &silence);
@@ -575,15 +623,13 @@ static void sap_event_cb(pa_mainloop_api *m, pa_io_event *e, int fd, pa_io_event
}
}
-static void check_death_event_cb(pa_mainloop_api *m, pa_time_event *t, const struct timeval *ptv, void *userdata) {
+static void check_death_event_cb(pa_mainloop_api *m, pa_time_event *t, const struct timeval *tv, void *userdata) {
struct session *s, *n;
struct userdata *u = userdata;
struct timeval now;
- struct timeval tv;
pa_assert(m);
pa_assert(t);
- pa_assert(ptv);
pa_assert(u);
pa_rtclock_get(&now);
@@ -601,9 +647,7 @@ static void check_death_event_cb(pa_mainloop_api *m, pa_time_event *t, const str
}
/* Restart timer */
- pa_gettimeofday(&tv);
- pa_timeval_add(&tv, DEATH_TIMEOUT*PA_USEC_PER_SEC);
- m->time_restart(t, &tv);
+ pa_core_rttime_restart(u->module->core, t, pa_rtclock_now() + DEATH_TIMEOUT * PA_USEC_PER_SEC);
}
int pa__init(pa_module*m) {
@@ -617,7 +661,6 @@ int pa__init(pa_module*m) {
socklen_t salen;
const char *sap_address;
int fd = -1;
- struct timeval tv;
pa_assert(m);
@@ -648,9 +691,9 @@ int pa__init(pa_module*m) {
if ((fd = mcast_socket(sa, salen)) < 0)
goto fail;
- u = pa_xnew(struct userdata, 1);
- m->userdata = u;
+ m->userdata = u = pa_xnew(struct userdata, 1);
u->module = m;
+ u->core = m->core;
u->sink_name = pa_xstrdup(pa_modargs_get_value(ma, "sink", NULL));
u->sap_event = m->core->mainloop->io_new(m->core->mainloop, fd, PA_IO_EVENT_INPUT, sap_event_cb, u);
@@ -660,9 +703,7 @@ int pa__init(pa_module*m) {
u->n_sessions = 0;
u->by_origin = pa_hashmap_new(pa_idxset_string_hash_func, pa_idxset_string_compare_func);
- pa_gettimeofday(&tv);
- pa_timeval_add(&tv, DEATH_TIMEOUT * PA_USEC_PER_SEC);
- u->check_death_event = m->core->mainloop->time_new(m->core->mainloop, &tv, check_death_event_cb, u);
+ u->check_death_event = pa_core_rttime_new(m->core, pa_rtclock_now() + DEATH_TIMEOUT * PA_USEC_PER_SEC, check_death_event_cb, u);
pa_modargs_free(ma);
diff --git a/src/modules/rtp/module-rtp-send.c b/src/modules/rtp/module-rtp-send.c
index 722d12bd..f147364d 100644
--- a/src/modules/rtp/module-rtp-send.c
+++ b/src/modules/rtp/module-rtp-send.c
@@ -31,6 +31,7 @@
#include <string.h>
#include <unistd.h>
+#include <pulse/rtclock.h>
#include <pulse/timeval.h>
#include <pulse/util.h>
#include <pulse/xmalloc.h>
@@ -77,7 +78,7 @@ PA_MODULE_USAGE(
#define DEFAULT_DESTINATION "224.0.0.56"
#define MEMBLOCKQ_MAXLENGTH (1024*170)
#define DEFAULT_MTU 1280
-#define SAP_INTERVAL 5
+#define SAP_INTERVAL (5*PA_USEC_PER_SEC)
static const char* const valid_modargs[] = {
"source",
@@ -151,18 +152,14 @@ static void source_output_kill(pa_source_output* o) {
static void sap_event_cb(pa_mainloop_api *m, pa_time_event *t, const struct timeval *tv, void *userdata) {
struct userdata *u = userdata;
- struct timeval next;
pa_assert(m);
pa_assert(t);
- pa_assert(tv);
pa_assert(u);
pa_sap_send(&u->sap_context, 0);
- pa_gettimeofday(&next);
- pa_timeval_add(&next, SAP_INTERVAL * PA_USEC_PER_SEC);
- m->time_restart(t, &next);
+ pa_core_rttime_restart(u->module->core, t, pa_rtclock_now() + SAP_INTERVAL);
}
int pa__init(pa_module*m) {
@@ -186,7 +183,6 @@ int pa__init(pa_module*m) {
char *p;
int r, j;
socklen_t k;
- struct timeval tv;
char hn[128], *n;
pa_bool_t loop = FALSE;
pa_source_output_new_data data;
@@ -347,10 +343,10 @@ int pa__init(pa_module*m) {
o->push = source_output_push;
o->kill = source_output_kill;
- u = pa_xnew(struct userdata, 1);
- m->userdata = u;
- o->userdata = u;
+ pa_log_info("Configured source latency of %llu ms.",
+ (unsigned long long) pa_source_output_set_requested_latency(o, pa_bytes_to_usec(mtu, &o->sample_spec)) / PA_USEC_PER_MSEC);
+ m->userdata = o->userdata = u = pa_xnew(struct userdata, 1);
u->module = m;
u->source_output = o;
@@ -395,9 +391,7 @@ int pa__init(pa_module*m) {
pa_sap_send(&u->sap_context, 0);
- pa_gettimeofday(&tv);
- pa_timeval_add(&tv, SAP_INTERVAL * PA_USEC_PER_SEC);
- u->sap_event = m->core->mainloop->time_new(m->core->mainloop, &tv, sap_event_cb, u);
+ u->sap_event = pa_core_rttime_new(m->core, pa_rtclock_now() + SAP_INTERVAL, sap_event_cb, u);
pa_source_output_put(u->source_output);
diff --git a/src/modules/rtp/rtp.c b/src/modules/rtp/rtp.c
index 7537c1f5..6706a10f 100644
--- a/src/modules/rtp/rtp.c
+++ b/src/modules/rtp/rtp.c
@@ -162,13 +162,16 @@ pa_rtp_context* pa_rtp_context_init_recv(pa_rtp_context *c, int fd, size_t frame
return c;
}
-int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool) {
+int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool, struct timeval *tstamp) {
int size;
struct msghdr m;
+ struct cmsghdr *cm;
struct iovec iov;
uint32_t header;
unsigned cc;
ssize_t r;
+ uint8_t aux[1024];
+ pa_bool_t found_tstamp = FALSE;
pa_assert(c);
pa_assert(chunk);
@@ -208,8 +211,8 @@ int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool) {
m.msg_namelen = 0;
m.msg_iov = &iov;
m.msg_iovlen = 1;
- m.msg_control = NULL;
- m.msg_controllen = 0;
+ m.msg_control = aux;
+ m.msg_controllen = sizeof(aux);
m.msg_flags = 0;
r = recvmsg(c->fd, &m, 0);
@@ -275,6 +278,18 @@ int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool) {
pa_memchunk_reset(&c->memchunk);
}
+ for (cm = CMSG_FIRSTHDR(&m); cm; cm = CMSG_NXTHDR(&m, cm)) {
+ if (cm->cmsg_level == SOL_SOCKET && cm->cmsg_type == SO_TIMESTAMP)
+ memcpy(tstamp, CMSG_DATA(cm), sizeof(struct timeval));
+ found_tstamp = TRUE;
+ break;
+ }
+
+ if (!found_tstamp) {
+ pa_log_warn("Couldn't find SO_TIMESTAMP data in auxiliary recvmsg() data!");
+ memset(tstamp, 0, sizeof(tstamp));
+ }
+
return 0;
fail:
diff --git a/src/modules/rtp/rtp.h b/src/modules/rtp/rtp.h
index eff5e75b..b197e82f 100644
--- a/src/modules/rtp/rtp.h
+++ b/src/modules/rtp/rtp.h
@@ -43,7 +43,7 @@ pa_rtp_context* pa_rtp_context_init_send(pa_rtp_context *c, int fd, uint32_t ssr
int pa_rtp_send(pa_rtp_context *c, size_t size, pa_memblockq *q);
pa_rtp_context* pa_rtp_context_init_recv(pa_rtp_context *c, int fd, size_t frame_size);
-int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool);
+int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_mempool *pool, struct timeval *tstamp);
void pa_rtp_context_destroy(pa_rtp_context *c);
diff --git a/src/modules/rtp/rtsp_client.c b/src/modules/rtp/rtsp_client.c
index 98db05dd..72d304e8 100644
--- a/src/modules/rtp/rtsp_client.c
+++ b/src/modules/rtp/rtsp_client.c
@@ -30,6 +30,7 @@
#include <arpa/inet.h>
#include <unistd.h>
#include <sys/ioctl.h>
+#include <netinet/in.h>
#ifdef HAVE_SYS_FILIO_H
#include <sys/filio.h>
@@ -211,7 +212,7 @@ static void line_callback(pa_ioline *line, const char *s, void *userdata) {
}
if (!strlen(s2)) {
/* End of headers */
- /* We will have a header left from our looping itteration, so add it in :) */
+ /* We will have a header left from our looping iteration, so add it in :) */
if (c->last_header) {
/* This is not a continuation header so let's dump it into our proplist */
pa_headerlist_puts(c->response_headers, c->last_header, pa_strbuf_tostring_free(c->header_buffer));
@@ -332,7 +333,7 @@ int pa_rtsp_connect(pa_rtsp_client *c) {
pa_xfree(c->session);
c->session = NULL;
- if (!(c->sc = pa_socket_client_new_string(c->mainloop, c->hostname, c->port))) {
+ if (!(c->sc = pa_socket_client_new_string(c->mainloop, TRUE, c->hostname, c->port))) {
pa_log("failed to connect to server '%s:%d'", c->hostname, c->port);
return -1;
}
@@ -488,7 +489,7 @@ int pa_rtsp_record(pa_rtsp_client* c, uint16_t* seq, uint32_t* rtptime) {
pa_assert(c);
if (!c->session) {
- /* No seesion in progres */
+ /* No session in progress */
return -1;
}