PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
- by the Free Software Foundation; either version 2 of the License,
+ by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
#ifdef TUNNEL_SINK
PA_MODULE_DESCRIPTION("Tunnel module for sinks");
PA_MODULE_USAGE(
+ "sink_name=<name for the local sink> "
+ "sink_properties=<properties for the local sink> "
"server=<address> "
"sink=<remote sink name> "
"cookie=<filename> "
"format=<sample format> "
"channels=<number of channels> "
"rate=<sample rate> "
- "sink_name=<name for the local sink> "
"channel_map=<channel map>");
#else
PA_MODULE_DESCRIPTION("Tunnel module for sources");
PA_MODULE_USAGE(
+ "source_name=<name for the local source> "
+ "source_properties=<properties for the local source> "
"server=<address> "
"source=<remote source name> "
"cookie=<filename> "
"format=<sample format> "
"channels=<number of channels> "
"rate=<sample rate> "
- "source_name=<name for the local source> "
"channel_map=<channel map>");
#endif
"rate",
#ifdef TUNNEL_SINK
"sink_name",
+ "sink_properties",
"sink",
#else
"source_name",
+ "source_properties",
"source",
#endif
"channel_map",
static void command_overflow_or_underflow(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
static void command_suspended(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
static void command_moved(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_stream_or_client_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_stream_buffer_attr_changed(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
static const pa_pdispatch_cb_t command_table[PA_COMMAND_MAX] = {
#ifdef TUNNEL_SINK
[PA_COMMAND_PLAYBACK_STREAM_SUSPENDED] = command_suspended,
[PA_COMMAND_RECORD_STREAM_SUSPENDED] = command_suspended,
[PA_COMMAND_PLAYBACK_STREAM_MOVED] = command_moved,
- [PA_COMMAND_RECORD_STREAM_MOVED] = command_moved
+ [PA_COMMAND_RECORD_STREAM_MOVED] = command_moved,
+ [PA_COMMAND_PLAYBACK_STREAM_EVENT] = command_stream_or_client_event,
+ [PA_COMMAND_RECORD_STREAM_EVENT] = command_stream_or_client_event,
+ [PA_COMMAND_CLIENT_EVENT] = command_stream_or_client_event,
+ [PA_COMMAND_PLAYBACK_BUFFER_ATTR_CHANGED] = command_stream_buffer_attr_changed,
+ [PA_COMMAND_RECORD_BUFFER_ATTR_CHANGED] = command_stream_buffer_attr_changed
};
struct userdata {
pa_bool_t remote_corked:1;
pa_bool_t remote_suspended:1;
- pa_usec_t transport_usec;
- pa_bool_t transport_usec_valid;
+ pa_usec_t transport_usec; /* maintained in the main thread */
+ pa_usec_t thread_transport_usec; /* maintained in the IO thread */
uint32_t ignore_latency_before;
static void request_latency(struct userdata *u);
+/* Called from main context */
+static void command_stream_or_client_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ pa_log_debug("Got stream or client event.");
+}
+
/* Called from main context */
static void command_stream_killed(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
struct userdata *u = userdata;
if (pa_tagstruct_getu32(t, &channel) < 0 ||
pa_tagstruct_get_boolean(t, &suspended) < 0 ||
!pa_tagstruct_eof(t)) {
- pa_log("Invalid packet");
+
+ pa_log("Invalid packet.");
pa_module_unload_request(u->module, TRUE);
return;
}
+ pa_log_debug("Server reports device suspend.");
+
#ifdef TUNNEL_SINK
pa_asyncmsgq_send(u->sink->asyncmsgq, PA_MSGOBJECT(u->sink), SINK_MESSAGE_REMOTE_SUSPEND, PA_UINT32_TO_PTR(!!suspended), 0, NULL);
#else
/* Called from main context */
static void command_moved(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
struct userdata *u = userdata;
+ uint32_t channel, di;
+ const char *dn;
+ pa_bool_t suspended;
pa_assert(pd);
pa_assert(t);
pa_assert(u);
pa_assert(u->pdispatch == pd);
+ if (pa_tagstruct_getu32(t, &channel) < 0 ||
+ pa_tagstruct_getu32(t, &di) < 0 ||
+ pa_tagstruct_gets(t, &dn) < 0 ||
+ pa_tagstruct_get_boolean(t, &suspended) < 0) {
+
+ pa_log_error("Invalid packet.");
+ pa_module_unload_request(u->module, TRUE);
+ return;
+ }
+
pa_log_debug("Server reports a stream move.");
+
+#ifdef TUNNEL_SINK
+ pa_asyncmsgq_send(u->sink->asyncmsgq, PA_MSGOBJECT(u->sink), SINK_MESSAGE_REMOTE_SUSPEND, PA_UINT32_TO_PTR(!!suspended), 0, NULL);
+#else
+ pa_asyncmsgq_send(u->source->asyncmsgq, PA_MSGOBJECT(u->source), SOURCE_MESSAGE_REMOTE_SUSPEND, PA_UINT32_TO_PTR(!!suspended), 0, NULL);
+#endif
+
+ request_latency(u);
+}
+
+static void command_stream_buffer_attr_changed(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct userdata *u = userdata;
+ uint32_t channel, maxlength, tlength, fragsize, prebuf, minreq;
+ pa_usec_t usec;
+
+ pa_assert(pd);
+ pa_assert(t);
+ pa_assert(u);
+ pa_assert(u->pdispatch == pd);
+
+ if (pa_tagstruct_getu32(t, &channel) < 0 ||
+ pa_tagstruct_getu32(t, &maxlength) < 0) {
+
+ pa_log_error("Invalid packet.");
+ pa_module_unload_request(u->module, TRUE);
+ return;
+ }
+
+ if (command == PA_COMMAND_RECORD_BUFFER_ATTR_CHANGED) {
+ if (pa_tagstruct_getu32(t, &fragsize) < 0 ||
+ pa_tagstruct_get_usec(t, &usec) < 0) {
+
+ pa_log_error("Invalid packet.");
+ pa_module_unload_request(u->module, TRUE);
+ return;
+ }
+ } else {
+ if (pa_tagstruct_getu32(t, &tlength) < 0 ||
+ pa_tagstruct_getu32(t, &prebuf) < 0 ||
+ pa_tagstruct_getu32(t, &minreq) < 0 ||
+ pa_tagstruct_get_usec(t, &usec) < 0) {
+
+ pa_log_error("Invalid packet.");
+ pa_module_unload_request(u->module, TRUE);
+ return;
+ }
+ }
+
+#ifdef TUNNEL_SINK
+ pa_log_debug("Server reports buffer attrs changed. tlength now at %lu, before %lu.", (unsigned long) tlength, (unsigned long) u->tlength);
+#endif
+
request_latency(u);
}
#endif
/* Called from IO thread context */
-static void stream_cork_within_thread(struct userdata *u, pa_bool_t cork) {
+static void check_smoother_status(struct userdata *u, pa_bool_t past) {
pa_usec_t x;
- pa_assert(u);
- if (u->remote_corked == cork)
- return;
+ pa_assert(u);
- u->remote_corked = cork;
x = pa_rtclock_usec();
- /* Correct by the time this needs to travel to the other side.
- * This is a valid thread-safe access, because the main thread is
- * waiting for us */
- if (u->transport_usec_valid)
- x += u->transport_usec;
+ /* Correct by the time the requested issued needs to travel to the
+ * other side. This is a valid thread-safe access, because the
+ * main thread is waiting for us */
+
+ if (past)
+ x -= u->thread_transport_usec;
+ else
+ x += u->thread_transport_usec;
if (u->remote_suspended || u->remote_corked)
pa_smoother_pause(u->smoother, x);
else
- pa_smoother_resume(u->smoother, x);
+ pa_smoother_resume(u->smoother, x, TRUE);
+}
+
+/* Called from IO thread context */
+static void stream_cork_within_thread(struct userdata *u, pa_bool_t cork) {
+ pa_assert(u);
+
+ if (u->remote_corked == cork)
+ return;
+
+ u->remote_corked = cork;
+ check_smoother_status(u, FALSE);
}
/* Called from main context */
/* Called from IO thread context */
static void stream_suspend_within_thread(struct userdata *u, pa_bool_t suspend) {
- pa_usec_t x;
pa_assert(u);
if (u->remote_suspended == suspend)
return;
u->remote_suspended = suspend;
-
- x = pa_rtclock_usec();
-
- /* Correct by the time this needed to travel from the other side.
- * This is a valid thread-safe access, because the main thread is
- * waiting for us */
- if (u->transport_usec_valid)
- x -= u->transport_usec;
-
- if (u->remote_suspended || u->remote_corked)
- pa_smoother_pause(u->smoother, x);
- else
- pa_smoother_resume(u->smoother, x);
+ check_smoother_status(u, TRUE);
}
#ifdef TUNNEL_SINK
y = pa_bytes_to_usec((uint64_t) u->counter, &u->sink->sample_spec);
- if (y > (pa_usec_t) offset || offset < 0)
+ if (y > (pa_usec_t) offset)
y -= (pa_usec_t) offset;
else
y = 0;
pa_smoother_put(u->smoother, pa_rtclock_usec(), y);
+ /* We can access this freely here, since the main thread is waiting for us */
+ u->thread_transport_usec = u->transport_usec;
+
return 0;
}
case PA_SINK_UNLINKED:
case PA_SINK_INIT:
+ case PA_SINK_INVALID_STATE:
;
}
pa_usec_t y;
y = pa_bytes_to_usec((uint64_t) u->counter, &u->source->sample_spec);
-
- if (offset >= 0 || y > (pa_usec_t) -offset)
- y += (pa_usec_t) offset;
- else
- y = 0;
+ y += (pa_usec_t) offset;
pa_smoother_put(u->smoother, pa_rtclock_usec(), y);
+ /* We can access this freely here, since the main thread is waiting for us */
+ u->thread_transport_usec = u->transport_usec;
+
return 0;
}
}
case PA_SOURCE_UNLINKED:
case PA_SOURCE_INIT:
+ case PA_SINK_INVALID_STATE:
;
}
#ifdef TUNNEL_SINK
if (PA_SINK_IS_OPENED(u->sink->thread_info.state))
- if (u->sink->thread_info.rewind_requested)
+ if (PA_UNLIKELY(u->sink->thread_info.rewind_requested))
pa_sink_process_rewind(u->sink, 0);
#endif
}
if (channel != u->channel) {
- pa_log("Recieved data for invalid channel");
+ pa_log("Received data for invalid channel");
goto fail;
}
/* Called from main context */
static void stream_get_latency_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
struct userdata *u = userdata;
- pa_usec_t sink_usec, source_usec, transport_usec;
+ pa_usec_t sink_usec, source_usec;
pa_bool_t playing;
int64_t write_index, read_index;
struct timeval local, remote, now;
}
if (tag < u->ignore_latency_before) {
- request_latency(u);
return;
}
#endif
} else
u->transport_usec = pa_timeval_diff(&now, &local)/2;
- u->transport_usec_valid = TRUE;
/* First, take the device's delay */
#ifdef TUNNEL_SINK
/* Our measurements are already out of date, hence correct by the *
* transport latency */
#ifdef TUNNEL_SINK
- delay -= (int64_t) transport_usec;
+ delay -= (int64_t) u->transport_usec;
#else
- delay += (int64_t) transport_usec;
+ delay += (int64_t) u->transport_usec;
#endif
/* Now correct by what we have have read/written since we requested the update */
pa_tagstruct_putu32(t, tag = u->ctag++);
pa_tagstruct_putu32(t, u->channel);
- pa_gettimeofday(&now);
- pa_tagstruct_put_timeval(t, &now);
+ pa_tagstruct_put_timeval(t, pa_gettimeofday(&now));
pa_pstream_send_tagstruct(u->pstream, t);
pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, stream_get_latency_callback, u, NULL);
static void server_info_cb(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
struct userdata *u = userdata;
pa_sample_spec ss;
+ pa_channel_map cm;
const char *server_name, *server_version, *user_name, *host_name, *default_sink_name, *default_source_name;
uint32_t cookie;
pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
pa_tagstruct_gets(t, &default_sink_name) < 0 ||
pa_tagstruct_gets(t, &default_source_name) < 0 ||
- pa_tagstruct_getu32(t, &cookie) < 0) {
+ pa_tagstruct_getu32(t, &cookie) < 0 ||
+ (u->version >= 15 &&
+ pa_tagstruct_get_channel_map(t, &cm) < 0)) {
pa_log("Parse failure");
goto fail;
}
}
+ if (u->version >= 15) {
+ pa_volume_t base_volume;
+ uint32_t state, n_volume_steps, card;
+
+ if (pa_tagstruct_get_volume(t, &base_volume) < 0 ||
+ pa_tagstruct_getu32(t, &state) < 0 ||
+ pa_tagstruct_getu32(t, &n_volume_steps) < 0 ||
+ pa_tagstruct_getu32(t, &card) < 0) {
+
+ pa_log("Parse failure");
+ goto fail;
+ }
+ }
+
if (!pa_tagstruct_eof(t)) {
pa_log("Packet too long");
goto fail;
pa_assert(u->sink);
if ((u->version < 11 || !!mute == !!u->sink->muted) &&
- pa_cvolume_equal(&volume, &u->sink->volume))
+ pa_cvolume_equal(&volume, &u->sink->virtual_volume))
return;
- memcpy(&u->sink->volume, &volume, sizeof(pa_cvolume));
+ pa_sink_volume_changed(u->sink, &volume, FALSE);
if (u->version >= 11)
- u->sink->muted = !!mute;
+ pa_sink_mute_changed(u->sink, mute, FALSE);
- pa_subscription_post(u->sink->core, PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE, u->sink->index);
return;
fail:
}
}
+ if (u->version >= 15) {
+ pa_volume_t base_volume;
+ uint32_t state, n_volume_steps, card;
+
+ if (pa_tagstruct_get_volume(t, &base_volume) < 0 ||
+ pa_tagstruct_getu32(t, &state) < 0 ||
+ pa_tagstruct_getu32(t, &n_volume_steps) < 0 ||
+ pa_tagstruct_getu32(t, &card) < 0) {
+
+ pa_log("Parse failure");
+ goto fail;
+ }
+ }
+
if (!pa_tagstruct_eof(t)) {
pa_log("Packet too long");
goto fail;
if (pa_tagstruct_get_usec(t, &usec) < 0)
goto parse_error;
-#ifdef TUNNEL_SINK
- pa_sink_set_latency_range(u->sink, usec + MIN_NETWORK_LATENCY_USEC, 0);
-#else
- pa_source_set_latency_range(u->source, usec + MIN_NETWORK_LATENCY_USEC, 0);
-#endif
+/* #ifdef TUNNEL_SINK */
+/* pa_sink_set_latency_range(u->sink, usec + MIN_NETWORK_LATENCY_USEC, 0); */
+/* #else */
+/* pa_source_set_latency_range(u->source, usec + MIN_NETWORK_LATENCY_USEC, 0); */
+/* #endif */
}
if (!pa_tagstruct_eof(t))
pa_log_debug("Protocol version: remote %u, local %u", u->version, PA_PROTOCOL_VERSION);
#ifdef TUNNEL_SINK
+ pa_proplist_setf(u->sink->proplist, "tunnel.remote_version", "%u", u->version);
+ pa_sink_update_proplist(u->sink, 0, NULL);
+
pa_snprintf(name, sizeof(name), "%s for %s@%s",
u->sink_name,
pa_get_user_name(un, sizeof(un)),
pa_get_host_name(hn, sizeof(hn)));
#else
+ pa_proplist_setf(u->source->proplist, "tunnel.remote_version", "%u", u->version);
+ pa_source_update_proplist(u->source, 0, NULL);
+
pa_snprintf(name, sizeof(name), "%s for %s@%s",
u->source_name,
pa_get_user_name(un, sizeof(un)),
if (u->version >= 13) {
pa_proplist *pl;
pl = pa_proplist_new();
- pa_init_proplist(pl);
pa_proplist_sets(pl, PA_PROP_APPLICATION_ID, "org.PulseAudio.PulseAudio");
pa_proplist_sets(pl, PA_PROP_APPLICATION_VERSION, PACKAGE_VERSION);
+ pa_init_proplist(pl);
pa_tagstruct_put_proplist(reply, pl);
pa_proplist_free(pl);
} else
pa_tagstruct_put_boolean(reply, TRUE); /* early rquests */
}
+ if (u->version >= 15) {
+#ifdef TUNNEL_SINK
+ pa_tagstruct_put_boolean(reply, FALSE); /* muted_set */
+#endif
+ pa_tagstruct_put_boolean(reply, FALSE); /* don't inhibit auto suspend */
+ pa_tagstruct_put_boolean(reply, FALSE); /* fail on suspend */
+ }
+
pa_pstream_send_tagstruct(u->pstream, reply);
pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, create_stream_callback, u, NULL);
pa_assert(u);
if (channel != u->channel) {
- pa_log("Recieved memory block on bad channel.");
+ pa_log("Received memory block on bad channel.");
pa_module_unload_request(u->module, TRUE);
return;
}
u->counter_delta += (int64_t) chunk->length;
}
-
#endif
/* Called from main context */
#ifdef TUNNEL_SINK
/* Called from main context */
-static int sink_set_volume(pa_sink *sink) {
+static void sink_set_volume(pa_sink *sink) {
struct userdata *u;
pa_tagstruct *t;
uint32_t tag;
pa_tagstruct_putu32(t, PA_COMMAND_SET_SINK_INPUT_VOLUME);
pa_tagstruct_putu32(t, tag = u->ctag++);
pa_tagstruct_putu32(t, u->device_index);
- pa_tagstruct_put_cvolume(t, &sink->volume);
+ pa_tagstruct_put_cvolume(t, &sink->virtual_volume);
pa_pstream_send_tagstruct(u->pstream, t);
-
- return 0;
}
/* Called from main context */
-static int sink_set_mute(pa_sink *sink) {
+static void sink_set_mute(pa_sink *sink) {
struct userdata *u;
pa_tagstruct *t;
uint32_t tag;
pa_assert(u);
if (u->version < 11)
- return -1;
+ return;
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_SET_SINK_INPUT_MUTE);
pa_tagstruct_putu32(t, u->device_index);
pa_tagstruct_put_boolean(t, !!sink->muted);
pa_pstream_send_tagstruct(u->pstream, t);
-
- return 0;
}
#endif
u->source_name = pa_xstrdup(pa_modargs_get_value(ma, "source", NULL));;
u->source = NULL;
#endif
- u->smoother = pa_smoother_new(PA_USEC_PER_SEC, PA_USEC_PER_SEC*2, TRUE, 10);
+ u->smoother = pa_smoother_new(
+ PA_USEC_PER_SEC,
+ PA_USEC_PER_SEC*2,
+ TRUE,
+ TRUE,
+ 10,
+ pa_rtclock_usec(),
+ FALSE);
u->ctag = 1;
u->device_index = u->channel = PA_INVALID_INDEX;
u->time_event = NULL;
u->ignore_latency_before = 0;
- u->transport_usec = 0;
- u->transport_usec_valid = FALSE;
+ u->transport_usec = u->thread_transport_usec = 0;
u->remote_suspended = u->remote_corked = FALSE;
u->counter = u->counter_delta = 0;
}
ss = m->core->default_sample_spec;
+ map = m->core->default_channel_map;
if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
pa_log("Invalid sample format specification");
goto fail;
if (u->sink_name)
pa_proplist_sets(data.proplist, "tunnel.remote.sink", u->sink_name);
- u->sink = pa_sink_new(m->core, &data, PA_SINK_NETWORK|PA_SINK_LATENCY|PA_SINK_HW_VOLUME_CTRL);
+ if (pa_modargs_get_proplist(ma, "sink_properties", data.proplist, PA_UPDATE_REPLACE) < 0) {
+ pa_log("Invalid properties");
+ pa_sink_new_data_done(&data);
+ goto fail;
+ }
+
+ u->sink = pa_sink_new(m->core, &data, PA_SINK_NETWORK|PA_SINK_LATENCY|PA_SINK_HW_VOLUME_CTRL|PA_SINK_HW_MUTE_CTRL);
pa_sink_new_data_done(&data);
if (!u->sink) {
u->sink->refresh_volume = u->sink->refresh_muted = FALSE;
- pa_sink_set_latency_range(u->sink, MIN_NETWORK_LATENCY_USEC, 0);
+/* pa_sink_set_latency_range(u->sink, MIN_NETWORK_LATENCY_USEC, 0); */
pa_sink_set_asyncmsgq(u->sink, u->thread_mq.inq);
pa_sink_set_rtpoll(u->sink, u->rtpoll);
if (u->source_name)
pa_proplist_sets(data.proplist, "tunnel.remote.source", u->source_name);
+ if (pa_modargs_get_proplist(ma, "source_properties", data.proplist, PA_UPDATE_REPLACE) < 0) {
+ pa_log("Invalid properties");
+ pa_source_new_data_done(&data);
+ goto fail;
+ }
+
u->source = pa_source_new(m->core, &data, PA_SOURCE_NETWORK|PA_SOURCE_LATENCY);
pa_source_new_data_done(&data);
u->source->set_state = source_set_state;
u->source->userdata = u;
- pa_source_set_latency_range(u->source, MIN_NETWORK_LATENCY_USEC, 0);
+/* pa_source_set_latency_range(u->source, MIN_NETWORK_LATENCY_USEC, 0); */
pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
pa_source_set_rtpoll(u->source, u->rtpoll);
u->time_event = NULL;
- u->maxlength = 0;
+ u->maxlength = (uint32_t) -1;
#ifdef TUNNEL_SINK
- u->tlength = u->minreq = u->prebuf = 0;
+ u->tlength = u->minreq = u->prebuf = (uint32_t) -1;
#else
- u->fragsize = 0;
+ u->fragsize = (uint32_t) -1;
#endif
- pa_smoother_set_time_offset(u->smoother, pa_rtclock_usec());
-
if (!(u->thread = pa_thread_new(thread_func, u))) {
pa_log("Failed to create thread.");
goto fail;