-/* $Id$ */
-
/***
This file is part of PulseAudio.
-
+
+ Copyright 2004-2006 Lennart Poettering
+ Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
+
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
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 Lesser General Public License
along with PulseAudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
#endif
#include <unistd.h>
-#include <assert.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
+#ifdef HAVE_X11
+#include <xcb/xcb.h>
+#endif
+
+#include <pulse/rtclock.h>
#include <pulse/timeval.h>
#include <pulse/util.h>
#include <pulse/version.h>
#include <pulsecore/modargs.h>
#include <pulsecore/log.h>
#include <pulsecore/core-subscribe.h>
-#include <pulsecore/sink-input.h>
#include <pulsecore/pdispatch.h>
#include <pulsecore/pstream.h>
#include <pulsecore/pstream-util.h>
-#include <pulsecore/authkey.h>
#include <pulsecore/socket-client.h>
-#include <pulsecore/socket-util.h>
-#include <pulsecore/authkey-prop.h>
+#include <pulsecore/time-smoother.h>
+#include <pulsecore/thread.h>
+#include <pulsecore/thread-mq.h>
+#include <pulsecore/core-rtclock.h>
+#include <pulsecore/core-error.h>
+#include <pulsecore/proplist-util.h>
+#include <pulsecore/auth-cookie.h>
+#include <pulsecore/mcalign.h>
+#include <pulsecore/strlist.h>
+
+#ifdef HAVE_X11
+#include <pulsecore/x11prop.h>
+#endif
#ifdef TUNNEL_SINK
#include "module-tunnel-sink-symdef.h"
-PA_MODULE_DESCRIPTION("Tunnel module for sinks")
+#else
+#include "module-tunnel-source-symdef.h"
+#endif
+
+#define ENV_DEFAULT_SINK "PULSE_SINK"
+#define ENV_DEFAULT_SOURCE "PULSE_SOURCE"
+#define ENV_DEFAULT_SERVER "PULSE_SERVER"
+#define ENV_COOKIE_FILE "PULSE_COOKIE"
+
+#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> "
+ "auto=<determine server/sink/cookie automatically> "
"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>")
+ "channel_map=<channel map>");
#else
-#include "module-tunnel-source-symdef.h"
-PA_MODULE_DESCRIPTION("Tunnel module for sources")
+PA_MODULE_DESCRIPTION("Tunnel module for sources");
PA_MODULE_USAGE(
+ "source_name=<name for the local source> "
+ "source_properties=<properties for the local source> "
+ "auto=<determine server/source/cookie automatically> "
"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>")
+ "channel_map=<channel map>");
#endif
-PA_MODULE_AUTHOR("Lennart Poettering")
-PA_MODULE_VERSION(PACKAGE_VERSION)
-
-#define DEFAULT_SINK_NAME "tunnel"
-#define DEFAULT_SOURCE_NAME "tunnel"
-
-#define DEFAULT_TLENGTH (44100*2*2/10) //(10240*8)
-#define DEFAULT_MAXLENGTH ((DEFAULT_TLENGTH*3)/2)
-#define DEFAULT_MINREQ 512
-#define DEFAULT_PREBUF (DEFAULT_TLENGTH-DEFAULT_MINREQ)
-#define DEFAULT_FRAGSIZE 1024
-
-#define DEFAULT_TIMEOUT 5
-
-#define LATENCY_INTERVAL 10
+PA_MODULE_AUTHOR("Lennart Poettering");
+PA_MODULE_VERSION(PACKAGE_VERSION);
+PA_MODULE_LOAD_ONCE(false);
static const char* const valid_modargs[] = {
+ "auto",
"server",
"cookie",
"format",
"rate",
#ifdef TUNNEL_SINK
"sink_name",
+ "sink_properties",
"sink",
#else
"source_name",
+ "source_properties",
"source",
#endif
"channel_map",
NULL,
};
-static void command_stream_killed(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
-static void command_subscribe_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+#define DEFAULT_TIMEOUT 5
+
+#define LATENCY_INTERVAL (10*PA_USEC_PER_SEC)
+
+#define MIN_NETWORK_LATENCY_USEC (8*PA_USEC_PER_MSEC)
+
+#ifdef TUNNEL_SINK
+
+enum {
+ SINK_MESSAGE_REQUEST = PA_SINK_MESSAGE_MAX,
+ SINK_MESSAGE_REMOTE_SUSPEND,
+ SINK_MESSAGE_UPDATE_LATENCY,
+ SINK_MESSAGE_POST
+};
+
+#define DEFAULT_TLENGTH_MSEC 150
+#define DEFAULT_MINREQ_MSEC 25
+
+#else
+
+enum {
+ SOURCE_MESSAGE_POST = PA_SOURCE_MESSAGE_MAX,
+ SOURCE_MESSAGE_REMOTE_SUSPEND,
+ SOURCE_MESSAGE_UPDATE_LATENCY
+};
+
+#define DEFAULT_FRAGSIZE_MSEC 25
+
+#endif
#ifdef TUNNEL_SINK
static void command_request(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_started(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
#endif
+static void command_subscribe_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+static void command_stream_killed(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata);
+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_REQUEST] = command_request,
-#endif
+ [PA_COMMAND_STARTED] = command_started,
+#endif
+ [PA_COMMAND_SUBSCRIBE_EVENT] = command_subscribe_event,
+ [PA_COMMAND_OVERFLOW] = command_overflow_or_underflow,
+ [PA_COMMAND_UNDERFLOW] = command_overflow_or_underflow,
[PA_COMMAND_PLAYBACK_STREAM_KILLED] = command_stream_killed,
[PA_COMMAND_RECORD_STREAM_KILLED] = command_stream_killed,
- [PA_COMMAND_SUBSCRIBE_EVENT] = command_subscribe_event,
+ [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_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_core *core;
+ pa_module *module;
+
+ pa_thread_mq thread_mq;
+ pa_rtpoll *rtpoll;
+ pa_thread *thread;
+
pa_socket_client *client;
pa_pstream *pstream;
pa_pdispatch *pdispatch;
#ifdef TUNNEL_SINK
char *sink_name;
pa_sink *sink;
- uint32_t requested_bytes;
+ size_t requested_bytes;
#else
char *source_name;
pa_source *source;
+ pa_mcalign *mcalign;
#endif
-
- pa_module *module;
- pa_core *core;
- uint8_t auth_cookie[PA_NATIVE_COOKIE_LENGTH];
+ pa_auth_cookie *auth_cookie;
uint32_t version;
uint32_t ctag;
uint32_t device_index;
uint32_t channel;
-
- pa_usec_t host_latency;
- pa_time_event *time_event;
+ int64_t counter, counter_delta;
- int auth_cookie_in_property;
-};
+ bool remote_corked:1;
+ bool remote_suspended:1;
-static void close_stuff(struct userdata *u) {
- assert(u);
-
- if (u->pstream) {
- pa_pstream_close(u->pstream);
- pa_pstream_unref(u->pstream);
- u->pstream = NULL;
- }
+ pa_usec_t transport_usec; /* maintained in the main thread */
+ pa_usec_t thread_transport_usec; /* maintained in the IO thread */
- if (u->pdispatch) {
- pa_pdispatch_unref(u->pdispatch);
- u->pdispatch = NULL;
- }
+ uint32_t ignore_latency_before;
- if (u->client) {
- pa_socket_client_unref(u->client);
- u->client = NULL;
- }
+ pa_time_event *time_event;
+ pa_smoother *smoother;
+
+ char *device_description;
+ char *server_fqdn;
+ char *user_name;
+
+ uint32_t maxlength;
#ifdef TUNNEL_SINK
- if (u->sink) {
- pa_sink_disconnect(u->sink);
- pa_sink_unref(u->sink);
- u->sink = NULL;
- }
+ uint32_t tlength;
+ uint32_t minreq;
+ uint32_t prebuf;
#else
- if (u->source) {
- pa_source_disconnect(u->source);
- pa_source_unref(u->source);
- u->source = NULL;
- }
+ uint32_t fragsize;
#endif
+};
- if (u->time_event) {
- u->core->mainloop->time_free(u->time_event);
- u->time_event = NULL;
- }
-}
+static void request_latency(struct userdata *u);
-static void die(struct userdata *u) {
- assert(u);
- close_stuff(u);
- pa_module_unload_request(u->module);
+/* 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.");
}
-static void command_stream_killed(pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
+/* 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;
- assert(pd && t && u && u->pdispatch == pd);
- pa_log(__FILE__": stream killed");
- die(u);
+ pa_assert(pd);
+ pa_assert(t);
+ pa_assert(u);
+ pa_assert(u->pdispatch == pd);
+
+ pa_log_warn("Stream killed");
+ pa_module_unload_request(u->module, true);
}
-static void request_info(struct userdata *u);
+/* Called from main context */
+static void command_overflow_or_underflow(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct userdata *u = userdata;
+
+ pa_assert(pd);
+ pa_assert(t);
+ pa_assert(u);
+ pa_assert(u->pdispatch == pd);
+
+ pa_log_info("Server signalled buffer overrun/underrun.");
+ request_latency(u);
+}
-static void command_subscribe_event(pa_pdispatch *pd, PA_GCC_UNUSED uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
+/* Called from main context */
+static void command_suspended(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
struct userdata *u = userdata;
- pa_subscription_event_type_t e;
- uint32_t idx;
+ uint32_t channel;
+ bool suspended;
- assert(pd && t && u);
- assert(command == PA_COMMAND_SUBSCRIBE_EVENT);
+ pa_assert(pd);
+ pa_assert(t);
+ pa_assert(u);
+ pa_assert(u->pdispatch == pd);
- if (pa_tagstruct_getu32(t, &e) < 0 ||
- pa_tagstruct_getu32(t, &idx) < 0 ||
+ if (pa_tagstruct_getu32(t, &channel) < 0 ||
+ pa_tagstruct_get_boolean(t, &suspended) < 0 ||
!pa_tagstruct_eof(t)) {
- pa_log(__FILE__": invalid protocol reply");
- die(u);
+
+ pa_log("Invalid packet.");
+ pa_module_unload_request(u->module, true);
return;
}
+ pa_log_debug("Server reports device suspend.");
+
#ifdef TUNNEL_SINK
- if (e != (PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE))
- return;
+ pa_asyncmsgq_send(u->sink->asyncmsgq, PA_MSGOBJECT(u->sink), SINK_MESSAGE_REMOTE_SUSPEND, PA_UINT32_TO_PTR(!!suspended), 0, NULL);
#else
- if (e != (PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE))
- return;
+ pa_asyncmsgq_send(u->source->asyncmsgq, PA_MSGOBJECT(u->source), SOURCE_MESSAGE_REMOTE_SUSPEND, PA_UINT32_TO_PTR(!!suspended), 0, NULL);
#endif
- request_info(u);
+ request_latency(u);
}
-#ifdef TUNNEL_SINK
-static void send_prebuf_request(struct userdata *u) {
- pa_tagstruct *t;
+/* 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;
+ bool suspended;
- t = pa_tagstruct_new(NULL, 0);
- pa_tagstruct_putu32(t, PA_COMMAND_PREBUF_PLAYBACK_STREAM);
- pa_tagstruct_putu32(t, u->ctag++);
- pa_tagstruct_putu32(t, u->channel);
- pa_pstream_send_tagstruct(u->pstream, t);
-}
+ pa_assert(pd);
+ pa_assert(t);
+ pa_assert(u);
+ pa_assert(u->pdispatch == pd);
-static void send_bytes(struct userdata *u) {
- assert(u);
+ 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) {
- if (!u->pstream)
+ pa_log_error("Invalid packet.");
+ pa_module_unload_request(u->module, true);
return;
+ }
- while (u->requested_bytes > 0) {
- pa_memchunk chunk;
- if (pa_sink_render(u->sink, u->requested_bytes, &chunk) < 0) {
-
- if (u->requested_bytes >= DEFAULT_TLENGTH-DEFAULT_PREBUF)
- send_prebuf_request(u);
-
- return;
- }
+ pa_log_debug("Server reports a stream move.");
- pa_pstream_send_memblock(u->pstream, u->channel, 0, PA_SEEK_RELATIVE, &chunk);
- pa_memblock_unref(chunk.memblock);
+#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
- if (chunk.length > u->requested_bytes)
- u->requested_bytes = 0;
- else
- u->requested_bytes -= chunk.length;
- }
+ request_latency(u);
}
-static void command_request(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED 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) {
struct userdata *u = userdata;
- uint32_t bytes, channel;
- assert(pd && command == PA_COMMAND_REQUEST && t && u && u->pdispatch == pd);
+ uint32_t channel, maxlength, tlength = 0, 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, &bytes) < 0 ||
- !pa_tagstruct_eof(t)) {
- pa_log(__FILE__": invalid protocol reply");
- die(u);
+ pa_tagstruct_getu32(t, &maxlength) < 0) {
+
+ pa_log_error("Invalid packet.");
+ pa_module_unload_request(u->module, true);
return;
}
- if (channel != u->channel) {
- pa_log(__FILE__": recieved data for invalid channel");
- die(u);
- 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;
+ }
}
-
- u->requested_bytes += bytes;
- send_bytes(u);
-}
+#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
-static void stream_get_latency_callback(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
+ request_latency(u);
+}
+
+#ifdef TUNNEL_SINK
+
+/* Called from main context */
+static void command_started(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;
- int playing;
- int64_t write_index, read_index;
- struct timeval local, remote, now;
- assert(pd && u);
- if (command != PA_COMMAND_REPLY) {
- if (command == PA_COMMAND_ERROR)
- pa_log(__FILE__": failed to get latency.");
- else
- pa_log(__FILE__": protocol error.");
- die(u);
- return;
- }
-
- if (pa_tagstruct_get_usec(t, &sink_usec) < 0 ||
- pa_tagstruct_get_usec(t, &source_usec) < 0 ||
- pa_tagstruct_get_boolean(t, &playing) < 0 ||
- pa_tagstruct_get_timeval(t, &local) < 0 ||
- pa_tagstruct_get_timeval(t, &remote) < 0 ||
- pa_tagstruct_gets64(t, &write_index) < 0 ||
- pa_tagstruct_gets64(t, &read_index) < 0 ||
- !pa_tagstruct_eof(t)) {
- pa_log(__FILE__": invalid reply. (latency)");
- die(u);
- return;
- }
+ pa_assert(pd);
+ pa_assert(t);
+ pa_assert(u);
+ pa_assert(u->pdispatch == pd);
- pa_gettimeofday(&now);
+ pa_log_debug("Server reports playback started.");
+ request_latency(u);
+}
- if (pa_timeval_cmp(&local, &remote) < 0 && pa_timeval_cmp(&remote, &now)) {
- /* local and remote seem to have synchronized clocks */
-#ifdef TUNNEL_SINK
- transport_usec = pa_timeval_diff(&remote, &local);
-#else
- transport_usec = pa_timeval_diff(&now, &remote);
-#endif
- } else
- transport_usec = pa_timeval_diff(&now, &local)/2;
+#endif
-#ifdef TUNNEL_SINK
- u->host_latency = sink_usec + transport_usec;
-#else
- u->host_latency = source_usec + transport_usec;
- if (u->host_latency > sink_usec)
- u->host_latency -= sink_usec;
+/* Called from IO thread context */
+static void check_smoother_status(struct userdata *u, bool past) {
+ pa_usec_t x;
+
+ pa_assert(u);
+
+ x = pa_rtclock_now();
+
+ /* 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
- u->host_latency = 0;
-#endif
+ x += u->thread_transport_usec;
-/* pa_log(__FILE__": estimated host latency: %0.0f usec", (double) u->host_latency); */
+ if (u->remote_suspended || u->remote_corked)
+ pa_smoother_pause(u->smoother, x);
+ else
+ pa_smoother_resume(u->smoother, x, true);
}
-static void request_latency(struct userdata *u) {
+/* Called from IO thread context */
+static void stream_cork_within_thread(struct userdata *u, bool cork) {
+ pa_assert(u);
+
+ if (u->remote_corked == cork)
+ return;
+
+ u->remote_corked = cork;
+ check_smoother_status(u, false);
+}
+
+/* Called from main context */
+static void stream_cork(struct userdata *u, bool cork) {
pa_tagstruct *t;
- struct timeval now;
- uint32_t tag;
- assert(u);
+ pa_assert(u);
+
+ if (!u->pstream)
+ return;
t = pa_tagstruct_new(NULL, 0);
-#ifdef TUNNEL_SINK
- pa_tagstruct_putu32(t, PA_COMMAND_GET_PLAYBACK_LATENCY);
+#ifdef TUNNEL_SINK
+ pa_tagstruct_putu32(t, PA_COMMAND_CORK_PLAYBACK_STREAM);
#else
- pa_tagstruct_putu32(t, PA_COMMAND_GET_RECORD_LATENCY);
+ pa_tagstruct_putu32(t, PA_COMMAND_CORK_RECORD_STREAM);
#endif
- pa_tagstruct_putu32(t, tag = u->ctag++);
+ pa_tagstruct_putu32(t, u->ctag++);
pa_tagstruct_putu32(t, u->channel);
-
- pa_gettimeofday(&now);
- pa_tagstruct_put_timeval(t, &now);
-
+ pa_tagstruct_put_boolean(t, !!cork);
pa_pstream_send_tagstruct(u->pstream, t);
- pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, stream_get_latency_callback, u, NULL);
+
+ request_latency(u);
}
-static void stream_get_info_callback(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
- struct userdata *u = userdata;
- uint32_t idx, owner_module, monitor_source;
- pa_usec_t latency;
- const char *name, *description, *monitor_source_name, *driver;
- int mute;
- uint32_t flags;
- pa_sample_spec sample_spec;
- pa_channel_map channel_map;
- pa_cvolume volume;
- assert(pd && u);
+/* Called from IO thread context */
+static void stream_suspend_within_thread(struct userdata *u, bool suspend) {
+ pa_assert(u);
- if (command != PA_COMMAND_REPLY) {
- if (command == PA_COMMAND_ERROR)
- pa_log(__FILE__": failed to get info.");
- else
- pa_log(__FILE__": protocol error.");
- die(u);
+ if (u->remote_suspended == suspend)
return;
- }
- if (pa_tagstruct_getu32(t, &idx) < 0 ||
- pa_tagstruct_gets(t, &name) < 0 ||
- pa_tagstruct_gets(t, &description) < 0 ||
- pa_tagstruct_get_sample_spec(t, &sample_spec) < 0 ||
- pa_tagstruct_get_channel_map(t, &channel_map) < 0 ||
- pa_tagstruct_getu32(t, &owner_module) < 0 ||
- pa_tagstruct_get_cvolume(t, &volume) < 0 ||
- pa_tagstruct_get_boolean(t, &mute) < 0 ||
- pa_tagstruct_getu32(t, &monitor_source) < 0 ||
- pa_tagstruct_gets(t, &monitor_source_name) < 0 ||
- pa_tagstruct_get_usec(t, &latency) < 0 ||
- pa_tagstruct_gets(t, &driver) < 0 ||
- pa_tagstruct_getu32(t, &flags) < 0 ||
- !pa_tagstruct_eof(t)) {
- pa_log(__FILE__": invalid reply. (get_info)");
- die(u);
- return;
- }
+ u->remote_suspended = suspend;
+ check_smoother_status(u, true);
+}
#ifdef TUNNEL_SINK
- assert(u->sink);
- if ((!!mute == !!u->sink->hw_muted) &&
- pa_cvolume_equal(&volume, &u->sink->hw_volume))
- return;
-#else
- assert(u->source);
- if ((!!mute == !!u->source->hw_muted) &&
- pa_cvolume_equal(&volume, &u->source->hw_volume))
- return;
-#endif
-#ifdef TUNNEL_SINK
- memcpy(&u->sink->hw_volume, &volume, sizeof(pa_cvolume));
- u->sink->hw_muted = !!mute;
+/* Called from IO thread context */
+static void send_data(struct userdata *u) {
+ pa_assert(u);
- pa_subscription_post(u->sink->core,
- PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE,
- u->sink->index);
-#else
- memcpy(&u->source->hw_volume, &volume, sizeof(pa_cvolume));
- u->source->hw_muted = !!mute;
+ while (u->requested_bytes > 0) {
+ pa_memchunk memchunk;
- pa_subscription_post(u->source->core,
- PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE,
- u->source->index);
-#endif
+ pa_sink_render(u->sink, u->requested_bytes, &memchunk);
+ pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->sink), SINK_MESSAGE_POST, NULL, 0, &memchunk, NULL);
+ pa_memblock_unref(memchunk.memblock);
+
+ u->requested_bytes -= memchunk.length;
+
+ u->counter += (int64_t) memchunk.length;
+ }
}
-static void request_info(struct userdata *u) {
- pa_tagstruct *t;
- uint32_t tag;
- assert(u);
+/* This function is called from IO context -- except when it is not. */
+static int sink_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
+ struct userdata *u = PA_SINK(o)->userdata;
- t = pa_tagstruct_new(NULL, 0);
-#ifdef TUNNEL_SINK
- pa_tagstruct_putu32(t, PA_COMMAND_GET_SINK_INFO);
-#else
- pa_tagstruct_putu32(t, PA_COMMAND_GET_SOURCE_INFO);
-#endif
- pa_tagstruct_putu32(t, tag = u->ctag++);
+ switch (code) {
- pa_tagstruct_putu32(t, PA_INVALID_INDEX);
-#ifdef TUNNEL_SINK
- pa_tagstruct_puts(t, u->sink_name);
-#else
- pa_tagstruct_puts(t, u->source_name);
-#endif
+ case PA_SINK_MESSAGE_SET_STATE: {
+ int r;
- pa_pstream_send_tagstruct(u->pstream, t);
- pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, stream_get_info_callback, u, NULL);
-}
+ /* First, change the state, because otherwise pa_sink_render() would fail */
+ if ((r = pa_sink_process_msg(o, code, data, offset, chunk)) >= 0) {
-static void start_subscribe(struct userdata *u) {
- pa_tagstruct *t;
- uint32_t tag;
- assert(u);
+ stream_cork_within_thread(u, u->sink->thread_info.state == PA_SINK_SUSPENDED);
- t = pa_tagstruct_new(NULL, 0);
- pa_tagstruct_putu32(t, PA_COMMAND_SUBSCRIBE);
- pa_tagstruct_putu32(t, tag = u->ctag++);
+ if (PA_SINK_IS_OPENED(u->sink->thread_info.state))
+ send_data(u);
+ }
-#ifdef TUNNEL_SINK
- pa_tagstruct_putu32(t, PA_SUBSCRIPTION_MASK_SINK);
-#else
- pa_tagstruct_putu32(t, PA_SUBSCRIPTION_MASK_SOURCE);
-#endif
+ return r;
+ }
- pa_pstream_send_tagstruct(u->pstream, t);
-}
+ case PA_SINK_MESSAGE_GET_LATENCY: {
+ pa_usec_t yl, yr, *usec = data;
-static void create_stream_callback(pa_pdispatch *pd, uint32_t command, PA_GCC_UNUSED uint32_t tag, pa_tagstruct *t, void *userdata) {
- struct userdata *u = userdata;
- assert(pd && u && u->pdispatch == pd);
+ yl = pa_bytes_to_usec((uint64_t) u->counter, &u->sink->sample_spec);
+ yr = pa_smoother_get(u->smoother, pa_rtclock_now());
- if (command != PA_COMMAND_REPLY) {
- if (command == PA_COMMAND_ERROR)
- pa_log(__FILE__": failed to create stream.");
- else
- pa_log(__FILE__": protocol error.");
- die(u);
- return;
- }
+ *usec = yl > yr ? yl - yr : 0;
+ return 0;
+ }
- if (pa_tagstruct_getu32(t, &u->channel) < 0 ||
- pa_tagstruct_getu32(t, &u->device_index) < 0 ||
-#ifdef TUNNEL_SINK
- pa_tagstruct_getu32(t, &u->requested_bytes) < 0 ||
-#endif
- !pa_tagstruct_eof(t)) {
- pa_log(__FILE__": invalid reply. (create stream)");
- die(u);
- return;
- }
+ case SINK_MESSAGE_REQUEST:
- start_subscribe(u);
- request_info(u);
+ pa_assert(offset > 0);
+ u->requested_bytes += (size_t) offset;
- request_latency(u);
-#ifdef TUNNEL_SINK
- send_bytes(u);
+ if (PA_SINK_IS_OPENED(u->sink->thread_info.state))
+ send_data(u);
+
+ return 0;
+
+ case SINK_MESSAGE_REMOTE_SUSPEND:
+
+ stream_suspend_within_thread(u, !!PA_PTR_TO_UINT(data));
+ return 0;
+
+ case SINK_MESSAGE_UPDATE_LATENCY: {
+ pa_usec_t y;
+
+ y = pa_bytes_to_usec((uint64_t) u->counter, &u->sink->sample_spec);
+
+ if (y > (pa_usec_t) offset)
+ y -= (pa_usec_t) offset;
+ else
+ y = 0;
+
+ pa_smoother_put(u->smoother, pa_rtclock_now(), 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 SINK_MESSAGE_POST:
+
+ /* OK, This might be a bit confusing. This message is
+ * delivered to us from the main context -- NOT from the
+ * IO thread context where the rest of the messages are
+ * dispatched. Yeah, ugly, but I am a lazy bastard. */
+
+ pa_pstream_send_memblock(u->pstream, u->channel, 0, PA_SEEK_RELATIVE, chunk);
+
+ u->counter_delta += (int64_t) chunk->length;
+
+ return 0;
+ }
+
+ return pa_sink_process_msg(o, code, data, offset, chunk);
+}
+
+/* Called from main context */
+static int sink_set_state(pa_sink *s, pa_sink_state_t state) {
+ struct userdata *u;
+ pa_sink_assert_ref(s);
+ u = s->userdata;
+
+ switch ((pa_sink_state_t) state) {
+
+ case PA_SINK_SUSPENDED:
+ pa_assert(PA_SINK_IS_OPENED(s->state));
+ stream_cork(u, true);
+ break;
+
+ case PA_SINK_IDLE:
+ case PA_SINK_RUNNING:
+ if (s->state == PA_SINK_SUSPENDED)
+ stream_cork(u, false);
+ break;
+
+ case PA_SINK_UNLINKED:
+ case PA_SINK_INIT:
+ case PA_SINK_INVALID_STATE:
+ ;
+ }
+
+ return 0;
+}
+
+#else
+
+/* This function is called from IO context -- except when it is not. */
+static int source_process_msg(pa_msgobject *o, int code, void *data, int64_t offset, pa_memchunk *chunk) {
+ struct userdata *u = PA_SOURCE(o)->userdata;
+
+ switch (code) {
+
+ case PA_SOURCE_MESSAGE_SET_STATE: {
+ int r;
+
+ if ((r = pa_source_process_msg(o, code, data, offset, chunk)) >= 0)
+ stream_cork_within_thread(u, u->source->thread_info.state == PA_SOURCE_SUSPENDED);
+
+ return r;
+ }
+
+ case PA_SOURCE_MESSAGE_GET_LATENCY: {
+ pa_usec_t yr, yl, *usec = data;
+
+ yl = pa_bytes_to_usec((uint64_t) u->counter, &PA_SOURCE(o)->sample_spec);
+ yr = pa_smoother_get(u->smoother, pa_rtclock_now());
+
+ *usec = yr > yl ? yr - yl : 0;
+ return 0;
+ }
+
+ case SOURCE_MESSAGE_POST: {
+ pa_memchunk c;
+
+ pa_mcalign_push(u->mcalign, chunk);
+
+ while (pa_mcalign_pop(u->mcalign, &c) >= 0) {
+
+ if (PA_SOURCE_IS_OPENED(u->source->thread_info.state))
+ pa_source_post(u->source, &c);
+
+ pa_memblock_unref(c.memblock);
+
+ u->counter += (int64_t) c.length;
+ }
+
+ return 0;
+ }
+
+ case SOURCE_MESSAGE_REMOTE_SUSPEND:
+
+ stream_suspend_within_thread(u, !!PA_PTR_TO_UINT(data));
+ return 0;
+
+ case SOURCE_MESSAGE_UPDATE_LATENCY: {
+ pa_usec_t y;
+
+ y = pa_bytes_to_usec((uint64_t) u->counter, &u->source->sample_spec);
+ y += (pa_usec_t) offset;
+
+ pa_smoother_put(u->smoother, pa_rtclock_now(), y);
+
+ /* We can access this freely here, since the main thread is waiting for us */
+ u->thread_transport_usec = u->transport_usec;
+
+ return 0;
+ }
+ }
+
+ return pa_source_process_msg(o, code, data, offset, chunk);
+}
+
+/* Called from main context */
+static int source_set_state(pa_source *s, pa_source_state_t state) {
+ struct userdata *u;
+ pa_source_assert_ref(s);
+ u = s->userdata;
+
+ switch ((pa_source_state_t) state) {
+
+ case PA_SOURCE_SUSPENDED:
+ pa_assert(PA_SOURCE_IS_OPENED(s->state));
+ stream_cork(u, true);
+ break;
+
+ case PA_SOURCE_IDLE:
+ case PA_SOURCE_RUNNING:
+ if (s->state == PA_SOURCE_SUSPENDED)
+ stream_cork(u, false);
+ break;
+
+ case PA_SOURCE_UNLINKED:
+ case PA_SOURCE_INIT:
+ case PA_SINK_INVALID_STATE:
+ ;
+ }
+
+ return 0;
+}
+
+#endif
+
+static void thread_func(void *userdata) {
+ struct userdata *u = userdata;
+
+ pa_assert(u);
+
+ pa_log_debug("Thread starting up");
+
+ pa_thread_mq_install(&u->thread_mq);
+
+ for (;;) {
+ int ret;
+
+#ifdef TUNNEL_SINK
+ if (PA_UNLIKELY(u->sink->thread_info.rewind_requested))
+ pa_sink_process_rewind(u->sink, 0);
+#endif
+
+ if ((ret = pa_rtpoll_run(u->rtpoll, true)) < 0)
+ goto fail;
+
+ if (ret == 0)
+ goto finish;
+ }
+
+fail:
+ /* If this was no regular exit from the loop we have to continue
+ * processing messages until we received PA_MESSAGE_SHUTDOWN */
+ pa_asyncmsgq_post(u->thread_mq.outq, PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL, NULL);
+ pa_asyncmsgq_wait_for(u->thread_mq.inq, PA_MESSAGE_SHUTDOWN);
+
+finish:
+ pa_log_debug("Thread shutting down");
+}
+
+#ifdef TUNNEL_SINK
+/* Called from main context */
+static void command_request(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct userdata *u = userdata;
+ uint32_t bytes, channel;
+
+ pa_assert(pd);
+ pa_assert(command == PA_COMMAND_REQUEST);
+ pa_assert(t);
+ pa_assert(u);
+ pa_assert(u->pdispatch == pd);
+
+ if (pa_tagstruct_getu32(t, &channel) < 0 ||
+ pa_tagstruct_getu32(t, &bytes) < 0) {
+ pa_log("Invalid protocol reply");
+ goto fail;
+ }
+
+ if (channel != u->channel) {
+ pa_log("Received data for invalid channel");
+ goto fail;
+ }
+
+ pa_asyncmsgq_post(u->sink->asyncmsgq, PA_MSGOBJECT(u->sink), SINK_MESSAGE_REQUEST, NULL, bytes, NULL, NULL);
+ return;
+
+fail:
+ pa_module_unload_request(u->module, true);
+}
+
+#endif
+
+/* 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;
+ bool playing;
+ int64_t write_index, read_index;
+ struct timeval local, remote, now;
+ pa_sample_spec *ss;
+ int64_t delay;
+
+ pa_assert(pd);
+ pa_assert(u);
+
+ if (command != PA_COMMAND_REPLY) {
+ if (command == PA_COMMAND_ERROR)
+ pa_log("Failed to get latency.");
+ else
+ pa_log("Protocol error.");
+ goto fail;
+ }
+
+ if (pa_tagstruct_get_usec(t, &sink_usec) < 0 ||
+ pa_tagstruct_get_usec(t, &source_usec) < 0 ||
+ pa_tagstruct_get_boolean(t, &playing) < 0 ||
+ pa_tagstruct_get_timeval(t, &local) < 0 ||
+ pa_tagstruct_get_timeval(t, &remote) < 0 ||
+ pa_tagstruct_gets64(t, &write_index) < 0 ||
+ pa_tagstruct_gets64(t, &read_index) < 0) {
+ pa_log("Invalid reply.");
+ goto fail;
+ }
+
+#ifdef TUNNEL_SINK
+ if (u->version >= 13) {
+ uint64_t underrun_for = 0, playing_for = 0;
+
+ if (pa_tagstruct_getu64(t, &underrun_for) < 0 ||
+ pa_tagstruct_getu64(t, &playing_for) < 0) {
+ pa_log("Invalid reply.");
+ goto fail;
+ }
+ }
+#endif
+
+ if (!pa_tagstruct_eof(t)) {
+ pa_log("Invalid reply.");
+ goto fail;
+ }
+
+ if (tag < u->ignore_latency_before) {
+ return;
+ }
+
+ pa_gettimeofday(&now);
+
+ /* Calculate transport usec */
+ if (pa_timeval_cmp(&local, &remote) < 0 && pa_timeval_cmp(&remote, &now)) {
+ /* local and remote seem to have synchronized clocks */
+#ifdef TUNNEL_SINK
+ u->transport_usec = pa_timeval_diff(&remote, &local);
+#else
+ u->transport_usec = pa_timeval_diff(&now, &remote);
+#endif
+ } else
+ u->transport_usec = pa_timeval_diff(&now, &local)/2;
+
+ /* First, take the device's delay */
+#ifdef TUNNEL_SINK
+ delay = (int64_t) sink_usec;
+ ss = &u->sink->sample_spec;
+#else
+ delay = (int64_t) source_usec;
+ ss = &u->source->sample_spec;
+#endif
+
+ /* Add the length of our server-side buffer */
+ if (write_index >= read_index)
+ delay += (int64_t) pa_bytes_to_usec((uint64_t) (write_index-read_index), ss);
+ else
+ delay -= (int64_t) pa_bytes_to_usec((uint64_t) (read_index-write_index), ss);
+
+ /* Our measurements are already out of date, hence correct by the *
+ * transport latency */
+#ifdef TUNNEL_SINK
+ delay -= (int64_t) u->transport_usec;
+#else
+ delay += (int64_t) u->transport_usec;
+#endif
+
+ /* Now correct by what we have have read/written since we requested the update */
+#ifdef TUNNEL_SINK
+ delay += (int64_t) pa_bytes_to_usec((uint64_t) u->counter_delta, ss);
+#else
+ delay -= (int64_t) pa_bytes_to_usec((uint64_t) u->counter_delta, ss);
+#endif
+
+#ifdef TUNNEL_SINK
+ pa_asyncmsgq_send(u->sink->asyncmsgq, PA_MSGOBJECT(u->sink), SINK_MESSAGE_UPDATE_LATENCY, 0, delay, NULL);
+#else
+ pa_asyncmsgq_send(u->source->asyncmsgq, PA_MSGOBJECT(u->source), SOURCE_MESSAGE_UPDATE_LATENCY, 0, delay, NULL);
+#endif
+
+ return;
+
+fail:
+
+ pa_module_unload_request(u->module, true);
+}
+
+/* Called from main context */
+static void request_latency(struct userdata *u) {
+ pa_tagstruct *t;
+ struct timeval now;
+ uint32_t tag;
+ pa_assert(u);
+
+ t = pa_tagstruct_new(NULL, 0);
+#ifdef TUNNEL_SINK
+ pa_tagstruct_putu32(t, PA_COMMAND_GET_PLAYBACK_LATENCY);
+#else
+ pa_tagstruct_putu32(t, PA_COMMAND_GET_RECORD_LATENCY);
+#endif
+ pa_tagstruct_putu32(t, tag = u->ctag++);
+ pa_tagstruct_putu32(t, u->channel);
+
+ 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);
+
+ u->ignore_latency_before = tag;
+ u->counter_delta = 0;
+}
+
+/* Called from main context */
+static void timeout_callback(pa_mainloop_api *m, pa_time_event *e, const struct timeval *t, void *userdata) {
+ struct userdata *u = userdata;
+
+ pa_assert(m);
+ pa_assert(e);
+ pa_assert(u);
+
+ request_latency(u);
+
+ pa_core_rttime_restart(u->core, e, pa_rtclock_now() + LATENCY_INTERVAL);
+}
+
+/* Called from main context */
+static void update_description(struct userdata *u) {
+ char *d;
+ char un[128], hn[128];
+ pa_tagstruct *t;
+
+ pa_assert(u);
+
+ if (!u->server_fqdn || !u->user_name || !u->device_description)
+ return;
+
+ d = pa_sprintf_malloc("%s on %s@%s", u->device_description, u->user_name, u->server_fqdn);
+
+#ifdef TUNNEL_SINK
+ pa_sink_set_description(u->sink, d);
+ pa_proplist_sets(u->sink->proplist, "tunnel.remote.user", u->user_name);
+ pa_proplist_sets(u->sink->proplist, "tunnel.remote.fqdn", u->server_fqdn);
+ pa_proplist_sets(u->sink->proplist, "tunnel.remote.description", u->device_description);
+#else
+ pa_source_set_description(u->source, d);
+ pa_proplist_sets(u->source->proplist, "tunnel.remote.user", u->user_name);
+ pa_proplist_sets(u->source->proplist, "tunnel.remote.fqdn", u->server_fqdn);
+ pa_proplist_sets(u->source->proplist, "tunnel.remote.description", u->device_description);
+#endif
+
+ pa_xfree(d);
+
+ d = pa_sprintf_malloc("%s for %s@%s", u->device_description,
+ pa_get_user_name(un, sizeof(un)),
+ pa_get_host_name(hn, sizeof(hn)));
+
+ t = pa_tagstruct_new(NULL, 0);
+#ifdef TUNNEL_SINK
+ pa_tagstruct_putu32(t, PA_COMMAND_SET_PLAYBACK_STREAM_NAME);
+#else
+ pa_tagstruct_putu32(t, PA_COMMAND_SET_RECORD_STREAM_NAME);
+#endif
+ pa_tagstruct_putu32(t, u->ctag++);
+ pa_tagstruct_putu32(t, u->channel);
+ pa_tagstruct_puts(t, d);
+ pa_pstream_send_tagstruct(u->pstream, t);
+
+ pa_xfree(d);
+}
+
+/* Called from main context */
+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_assert(pd);
+ pa_assert(u);
+
+ if (command != PA_COMMAND_REPLY) {
+ if (command == PA_COMMAND_ERROR)
+ pa_log("Failed to get info.");
+ else
+ pa_log("Protocol error.");
+ goto fail;
+ }
+
+ if (pa_tagstruct_gets(t, &server_name) < 0 ||
+ pa_tagstruct_gets(t, &server_version) < 0 ||
+ pa_tagstruct_gets(t, &user_name) < 0 ||
+ pa_tagstruct_gets(t, &host_name) < 0 ||
+ 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 ||
+ (u->version >= 15 && pa_tagstruct_get_channel_map(t, &cm) < 0)) {
+
+ pa_log("Parse failure");
+ goto fail;
+ }
+
+ if (!pa_tagstruct_eof(t)) {
+ pa_log("Packet too long");
+ goto fail;
+ }
+
+ pa_xfree(u->server_fqdn);
+ u->server_fqdn = pa_xstrdup(host_name);
+
+ pa_xfree(u->user_name);
+ u->user_name = pa_xstrdup(user_name);
+
+ update_description(u);
+
+ return;
+
+fail:
+ pa_module_unload_request(u->module, true);
+}
+
+static int read_ports(struct userdata *u, pa_tagstruct *t) {
+ if (u->version >= 16) {
+ uint32_t n_ports;
+ const char *s;
+
+ if (pa_tagstruct_getu32(t, &n_ports)) {
+ pa_log("Parse failure");
+ return -PA_ERR_PROTOCOL;
+ }
+
+ for (uint32_t j = 0; j < n_ports; j++) {
+ uint32_t priority;
+
+ if (pa_tagstruct_gets(t, &s) < 0 || /* name */
+ pa_tagstruct_gets(t, &s) < 0 || /* description */
+ pa_tagstruct_getu32(t, &priority) < 0) {
+
+ pa_log("Parse failure");
+ return -PA_ERR_PROTOCOL;
+ }
+ if (u->version >= 24 && pa_tagstruct_getu32(t, &priority) < 0) { /* available */
+ pa_log("Parse failure");
+ return -PA_ERR_PROTOCOL;
+ }
+ }
+
+ if (pa_tagstruct_gets(t, &s) < 0) { /* active port */
+ pa_log("Parse failure");
+ return -PA_ERR_PROTOCOL;
+ }
+ }
+ return 0;
+}
+
+static int read_formats(struct userdata *u, pa_tagstruct *t) {
+ uint8_t n_formats;
+ pa_format_info *format;
+
+ if (pa_tagstruct_getu8(t, &n_formats) < 0) { /* no. of formats */
+ pa_log("Parse failure");
+ return -PA_ERR_PROTOCOL;
+ }
+
+ for (uint8_t j = 0; j < n_formats; j++) {
+ format = pa_format_info_new();
+ if (pa_tagstruct_get_format_info(t, format)) { /* format info */
+ pa_format_info_free(format);
+ pa_log("Parse failure");
+ return -PA_ERR_PROTOCOL;
+ }
+ pa_format_info_free(format);
+ }
+ return 0;
+}
+
+#ifdef TUNNEL_SINK
+
+/* Called from main context */
+static void sink_info_cb(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct userdata *u = userdata;
+ uint32_t idx, owner_module, monitor_source, flags;
+ const char *name, *description, *monitor_source_name, *driver;
+ pa_sample_spec ss;
+ pa_channel_map cm;
+ pa_cvolume volume;
+ bool mute;
+ pa_usec_t latency;
+
+ pa_assert(pd);
+ pa_assert(u);
+
+ if (command != PA_COMMAND_REPLY) {
+ if (command == PA_COMMAND_ERROR)
+ pa_log("Failed to get info.");
+ else
+ pa_log("Protocol error.");
+ goto fail;
+ }
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ pa_tagstruct_gets(t, &name) < 0 ||
+ pa_tagstruct_gets(t, &description) < 0 ||
+ pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
+ pa_tagstruct_get_channel_map(t, &cm) < 0 ||
+ pa_tagstruct_getu32(t, &owner_module) < 0 ||
+ pa_tagstruct_get_cvolume(t, &volume) < 0 ||
+ pa_tagstruct_get_boolean(t, &mute) < 0 ||
+ pa_tagstruct_getu32(t, &monitor_source) < 0 ||
+ pa_tagstruct_gets(t, &monitor_source_name) < 0 ||
+ pa_tagstruct_get_usec(t, &latency) < 0 ||
+ pa_tagstruct_gets(t, &driver) < 0 ||
+ pa_tagstruct_getu32(t, &flags) < 0) {
+
+ pa_log("Parse failure");
+ goto fail;
+ }
+
+ if (u->version >= 13) {
+ pa_usec_t configured_latency;
+
+ if (pa_tagstruct_get_proplist(t, NULL) < 0 ||
+ pa_tagstruct_get_usec(t, &configured_latency) < 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 (read_ports(u, t) < 0)
+ goto fail;
+
+ if (u->version >= 21 && read_formats(u, t) < 0)
+ goto fail;
+
+ if (!pa_tagstruct_eof(t)) {
+ pa_log("Packet too long");
+ goto fail;
+ }
+
+ if (!u->sink_name || !pa_streq(name, u->sink_name))
+ return;
+
+ pa_xfree(u->device_description);
+ u->device_description = pa_xstrdup(description);
+
+ update_description(u);
+
+ return;
+
+fail:
+ pa_module_unload_request(u->module, true);
+}
+
+/* Called from main context */
+static void sink_input_info_cb(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct userdata *u = userdata;
+ uint32_t idx, owner_module, client, sink;
+ pa_usec_t buffer_usec, sink_usec;
+ const char *name, *driver, *resample_method;
+ bool mute = false;
+ pa_sample_spec sample_spec;
+ pa_channel_map channel_map;
+ pa_cvolume volume;
+ bool b;
+
+ pa_assert(pd);
+ pa_assert(u);
+
+ if (command != PA_COMMAND_REPLY) {
+ if (command == PA_COMMAND_ERROR)
+ pa_log("Failed to get info.");
+ else
+ pa_log("Protocol error.");
+ goto fail;
+ }
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ pa_tagstruct_gets(t, &name) < 0 ||
+ pa_tagstruct_getu32(t, &owner_module) < 0 ||
+ pa_tagstruct_getu32(t, &client) < 0 ||
+ pa_tagstruct_getu32(t, &sink) < 0 ||
+ pa_tagstruct_get_sample_spec(t, &sample_spec) < 0 ||
+ pa_tagstruct_get_channel_map(t, &channel_map) < 0 ||
+ pa_tagstruct_get_cvolume(t, &volume) < 0 ||
+ pa_tagstruct_get_usec(t, &buffer_usec) < 0 ||
+ pa_tagstruct_get_usec(t, &sink_usec) < 0 ||
+ pa_tagstruct_gets(t, &resample_method) < 0 ||
+ pa_tagstruct_gets(t, &driver) < 0) {
+
+ pa_log("Parse failure");
+ goto fail;
+ }
+
+ if (u->version >= 11) {
+ if (pa_tagstruct_get_boolean(t, &mute) < 0) {
+
+ pa_log("Parse failure");
+ goto fail;
+ }
+ }
+
+ if (u->version >= 13) {
+ if (pa_tagstruct_get_proplist(t, NULL) < 0) {
+
+ pa_log("Parse failure");
+ goto fail;
+ }
+ }
+
+ if (u->version >= 19) {
+ if (pa_tagstruct_get_boolean(t, &b) < 0) {
+
+ pa_log("Parse failure");
+ goto fail;
+ }
+ }
+
+ if (u->version >= 20) {
+ if (pa_tagstruct_get_boolean(t, &b) < 0 ||
+ pa_tagstruct_get_boolean(t, &b) < 0) {
+
+ pa_log("Parse failure");
+ goto fail;
+ }
+ }
+
+ if (u->version >= 21) {
+ pa_format_info *format = pa_format_info_new();
+
+ if (pa_tagstruct_get_format_info(t, format) < 0) {
+ pa_format_info_free(format);
+ pa_log("Parse failure");
+ goto fail;
+ }
+ pa_format_info_free(format);
+ }
+
+ if (!pa_tagstruct_eof(t)) {
+ pa_log("Packet too long");
+ goto fail;
+ }
+
+ if (idx != u->device_index)
+ return;
+
+ pa_assert(u->sink);
+
+ if ((u->version < 11 || !!mute == !!u->sink->muted) &&
+ pa_cvolume_equal(&volume, &u->sink->real_volume))
+ return;
+
+ pa_sink_volume_changed(u->sink, &volume);
+
+ if (u->version >= 11)
+ pa_sink_mute_changed(u->sink, mute);
+
+ return;
+
+fail:
+ pa_module_unload_request(u->module, true);
+}
+
+#else
+
+/* Called from main context */
+static void source_info_cb(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct userdata *u = userdata;
+ uint32_t idx, owner_module, monitor_of_sink, flags;
+ const char *name, *description, *monitor_of_sink_name, *driver;
+ pa_sample_spec ss;
+ pa_channel_map cm;
+ pa_cvolume volume;
+ bool mute;
+ pa_usec_t latency, configured_latency;
+
+ pa_assert(pd);
+ pa_assert(u);
+
+ if (command != PA_COMMAND_REPLY) {
+ if (command == PA_COMMAND_ERROR)
+ pa_log("Failed to get info.");
+ else
+ pa_log("Protocol error.");
+ goto fail;
+ }
+
+ if (pa_tagstruct_getu32(t, &idx) < 0 ||
+ pa_tagstruct_gets(t, &name) < 0 ||
+ pa_tagstruct_gets(t, &description) < 0 ||
+ pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
+ pa_tagstruct_get_channel_map(t, &cm) < 0 ||
+ pa_tagstruct_getu32(t, &owner_module) < 0 ||
+ pa_tagstruct_get_cvolume(t, &volume) < 0 ||
+ pa_tagstruct_get_boolean(t, &mute) < 0 ||
+ pa_tagstruct_getu32(t, &monitor_of_sink) < 0 ||
+ pa_tagstruct_gets(t, &monitor_of_sink_name) < 0 ||
+ pa_tagstruct_get_usec(t, &latency) < 0 ||
+ pa_tagstruct_gets(t, &driver) < 0 ||
+ pa_tagstruct_getu32(t, &flags) < 0) {
+
+ pa_log("Parse failure");
+ goto fail;
+ }
+
+ if (u->version >= 13) {
+ if (pa_tagstruct_get_proplist(t, NULL) < 0 ||
+ pa_tagstruct_get_usec(t, &configured_latency) < 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 (read_ports(u, t) < 0)
+ goto fail;
+
+ if (u->version >= 22 && read_formats(u, t) < 0)
+ goto fail;
+
+ if (!pa_tagstruct_eof(t)) {
+ pa_log("Packet too long");
+ goto fail;
+ }
+
+ if (!u->source_name || !pa_streq(name, u->source_name))
+ return;
+
+ pa_xfree(u->device_description);
+ u->device_description = pa_xstrdup(description);
+
+ update_description(u);
+
+ return;
+
+fail:
+ pa_module_unload_request(u->module, true);
+}
+
+#endif
+
+/* Called from main context */
+static void request_info(struct userdata *u) {
+ pa_tagstruct *t;
+ uint32_t tag;
+ pa_assert(u);
+
+ t = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu32(t, PA_COMMAND_GET_SERVER_INFO);
+ pa_tagstruct_putu32(t, tag = u->ctag++);
+ pa_pstream_send_tagstruct(u->pstream, t);
+ pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, server_info_cb, u, NULL);
+
+#ifdef TUNNEL_SINK
+ t = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu32(t, PA_COMMAND_GET_SINK_INPUT_INFO);
+ pa_tagstruct_putu32(t, tag = u->ctag++);
+ pa_tagstruct_putu32(t, u->device_index);
+ pa_pstream_send_tagstruct(u->pstream, t);
+ pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, sink_input_info_cb, u, NULL);
+
+ if (u->sink_name) {
+ t = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu32(t, PA_COMMAND_GET_SINK_INFO);
+ pa_tagstruct_putu32(t, tag = u->ctag++);
+ pa_tagstruct_putu32(t, PA_INVALID_INDEX);
+ pa_tagstruct_puts(t, u->sink_name);
+ pa_pstream_send_tagstruct(u->pstream, t);
+ pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, sink_info_cb, u, NULL);
+ }
+#else
+ if (u->source_name) {
+ t = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu32(t, PA_COMMAND_GET_SOURCE_INFO);
+ pa_tagstruct_putu32(t, tag = u->ctag++);
+ pa_tagstruct_putu32(t, PA_INVALID_INDEX);
+ pa_tagstruct_puts(t, u->source_name);
+ pa_pstream_send_tagstruct(u->pstream, t);
+ pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, source_info_cb, u, NULL);
+ }
+#endif
+}
+
+/* Called from main context */
+static void command_subscribe_event(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct userdata *u = userdata;
+ pa_subscription_event_type_t e;
+ uint32_t idx;
+
+ pa_assert(pd);
+ pa_assert(t);
+ pa_assert(u);
+ pa_assert(command == PA_COMMAND_SUBSCRIBE_EVENT);
+
+ if (pa_tagstruct_getu32(t, &e) < 0 ||
+ pa_tagstruct_getu32(t, &idx) < 0) {
+ pa_log("Invalid protocol reply");
+ pa_module_unload_request(u->module, true);
+ return;
+ }
+
+ if (e != (PA_SUBSCRIPTION_EVENT_SERVER|PA_SUBSCRIPTION_EVENT_CHANGE) &&
+#ifdef TUNNEL_SINK
+ e != (PA_SUBSCRIPTION_EVENT_SINK_INPUT|PA_SUBSCRIPTION_EVENT_CHANGE) &&
+ e != (PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE)
+#else
+ e != (PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE)
+#endif
+ )
+ return;
+
+ request_info(u);
+}
+
+/* Called from main context */
+static void start_subscribe(struct userdata *u) {
+ pa_tagstruct *t;
+ pa_assert(u);
+
+ t = pa_tagstruct_new(NULL, 0);
+ pa_tagstruct_putu32(t, PA_COMMAND_SUBSCRIBE);
+ pa_tagstruct_putu32(t, u->ctag++);
+ pa_tagstruct_putu32(t, PA_SUBSCRIPTION_MASK_SERVER|
+#ifdef TUNNEL_SINK
+ PA_SUBSCRIPTION_MASK_SINK_INPUT|PA_SUBSCRIPTION_MASK_SINK
+#else
+ PA_SUBSCRIPTION_MASK_SOURCE
+#endif
+ );
+
+ pa_pstream_send_tagstruct(u->pstream, t);
+}
+
+/* Called from main context */
+static void create_stream_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
+ struct userdata *u = userdata;
+#ifdef TUNNEL_SINK
+ uint32_t bytes;
+#endif
+
+ pa_assert(pd);
+ pa_assert(u);
+ pa_assert(u->pdispatch == pd);
+
+ if (command != PA_COMMAND_REPLY) {
+ if (command == PA_COMMAND_ERROR)
+ pa_log("Failed to create stream.");
+ else
+ pa_log("Protocol error.");
+ goto fail;
+ }
+
+ if (pa_tagstruct_getu32(t, &u->channel) < 0 ||
+ pa_tagstruct_getu32(t, &u->device_index) < 0
+#ifdef TUNNEL_SINK
+ || pa_tagstruct_getu32(t, &bytes) < 0
+#endif
+ )
+ goto parse_error;
+
+ if (u->version >= 9) {
+#ifdef TUNNEL_SINK
+ if (pa_tagstruct_getu32(t, &u->maxlength) < 0 ||
+ pa_tagstruct_getu32(t, &u->tlength) < 0 ||
+ pa_tagstruct_getu32(t, &u->prebuf) < 0 ||
+ pa_tagstruct_getu32(t, &u->minreq) < 0)
+ goto parse_error;
+#else
+ if (pa_tagstruct_getu32(t, &u->maxlength) < 0 ||
+ pa_tagstruct_getu32(t, &u->fragsize) < 0)
+ goto parse_error;
+#endif
+ }
+
+ if (u->version >= 12) {
+ pa_sample_spec ss;
+ pa_channel_map cm;
+ uint32_t device_index;
+ const char *dn;
+ bool suspended;
+
+ if (pa_tagstruct_get_sample_spec(t, &ss) < 0 ||
+ pa_tagstruct_get_channel_map(t, &cm) < 0 ||
+ pa_tagstruct_getu32(t, &device_index) < 0 ||
+ pa_tagstruct_gets(t, &dn) < 0 ||
+ pa_tagstruct_get_boolean(t, &suspended) < 0)
+ goto parse_error;
+
+#ifdef TUNNEL_SINK
+ pa_xfree(u->sink_name);
+ u->sink_name = pa_xstrdup(dn);
+#else
+ pa_xfree(u->source_name);
+ u->source_name = pa_xstrdup(dn);
+#endif
+ }
+
+ if (u->version >= 13) {
+ pa_usec_t usec;
+
+ 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 */
+ }
+
+ if (u->version >= 21) {
+ pa_format_info *format = pa_format_info_new();
+
+ if (pa_tagstruct_get_format_info(t, format) < 0) {
+ pa_format_info_free(format);
+ goto parse_error;
+ }
+
+ pa_format_info_free(format);
+ }
+
+ if (!pa_tagstruct_eof(t))
+ goto parse_error;
+
+ start_subscribe(u);
+ request_info(u);
+
+ pa_assert(!u->time_event);
+ u->time_event = pa_core_rttime_new(u->core, pa_rtclock_now() + LATENCY_INTERVAL, timeout_callback, u);
+
+ request_latency(u);
+
+ pa_log_debug("Stream created.");
+
+#ifdef TUNNEL_SINK
+ pa_asyncmsgq_post(u->sink->asyncmsgq, PA_MSGOBJECT(u->sink), SINK_MESSAGE_REQUEST, NULL, bytes, NULL, NULL);
#endif
+
+ return;
+
+parse_error:
+ pa_log("Invalid reply. (Create stream)");
+
+fail:
+ pa_module_unload_request(u->module, true);
+
}
+/* Called from main context */
static void setup_complete_callback(pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, void *userdata) {
struct userdata *u = userdata;
pa_tagstruct *reply;
char name[256], un[128], hn[128];
-#ifdef TUNNEL_SINK
pa_cvolume volume;
-#endif
- assert(pd && u && u->pdispatch == pd);
+
+ pa_assert(pd);
+ pa_assert(u);
+ pa_assert(u->pdispatch == pd);
if (command != PA_COMMAND_REPLY ||
pa_tagstruct_getu32(t, &u->version) < 0 ||
!pa_tagstruct_eof(t)) {
+
if (command == PA_COMMAND_ERROR)
- pa_log(__FILE__": failed to authenticate");
+ pa_log("Failed to authenticate");
else
- pa_log(__FILE__": protocol error.");
- die(u);
- return;
+ pa_log("Protocol error.");
+
+ goto fail;
}
/* Minimum supported protocol version */
if (u->version < 8) {
- pa_log(__FILE__": incompatible protocol version");
- die(u);
- return;
+ pa_log("Incompatible protocol version");
+ goto fail;
}
+ /* Starting with protocol version 13 the MSB of the version tag
+ reflects if shm is enabled for this connection or not. We don't
+ support SHM here at all, so we just ignore this. */
+
+ if (u->version >= 13)
+ u->version &= 0x7FFFFFFFU;
+
+ pa_log_debug("Protocol version: remote %u, local %u", u->version, PA_PROTOCOL_VERSION);
+
#ifdef TUNNEL_SINK
- snprintf(name, sizeof(name), "Tunnel from host '%s', user '%s', sink '%s'",
- pa_get_host_name(hn, sizeof(hn)),
- pa_get_user_name(un, sizeof(un)),
- u->sink->name);
+ 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
- snprintf(name, sizeof(name), "Tunnel from host '%s', user '%s', source '%s'",
- pa_get_host_name(hn, sizeof(hn)),
- pa_get_user_name(un, sizeof(un)),
- u->source->name);
+ 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)),
+ pa_get_host_name(hn, sizeof(hn)));
#endif
-
+
reply = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(reply, PA_COMMAND_SET_CLIENT_NAME);
- pa_tagstruct_putu32(reply, tag = u->ctag++);
- pa_tagstruct_puts(reply, name);
+ pa_tagstruct_putu32(reply, u->ctag++);
+
+ if (u->version >= 13) {
+ pa_proplist *pl;
+ pl = pa_proplist_new();
+ 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_puts(reply, "PulseAudio");
+
pa_pstream_send_tagstruct(u->pstream, reply);
/* We ignore the server's reply here */
reply = pa_tagstruct_new(NULL, 0);
-#ifdef TUNNEL_SINK
+
+ if (u->version < 13)
+ /* Only for older PA versions we need to fill in the maxlength */
+ u->maxlength = 4*1024*1024;
+
+#ifdef TUNNEL_SINK
+ u->tlength = (uint32_t) pa_usec_to_bytes(PA_USEC_PER_MSEC * DEFAULT_TLENGTH_MSEC, &u->sink->sample_spec);
+ u->minreq = (uint32_t) pa_usec_to_bytes(PA_USEC_PER_MSEC * DEFAULT_MINREQ_MSEC, &u->sink->sample_spec);
+ u->prebuf = u->tlength;
+#else
+ u->fragsize = (uint32_t) pa_usec_to_bytes(PA_USEC_PER_MSEC * DEFAULT_FRAGSIZE_MSEC, &u->source->sample_spec);
+#endif
+
+#ifdef TUNNEL_SINK
pa_tagstruct_putu32(reply, PA_COMMAND_CREATE_PLAYBACK_STREAM);
pa_tagstruct_putu32(reply, tag = u->ctag++);
- pa_tagstruct_puts(reply, name);
+
+ if (u->version < 13)
+ pa_tagstruct_puts(reply, name);
+
pa_tagstruct_put_sample_spec(reply, &u->sink->sample_spec);
pa_tagstruct_put_channel_map(reply, &u->sink->channel_map);
pa_tagstruct_putu32(reply, PA_INVALID_INDEX);
pa_tagstruct_puts(reply, u->sink_name);
- pa_tagstruct_putu32(reply, DEFAULT_MAXLENGTH);
- pa_tagstruct_put_boolean(reply, 0);
- pa_tagstruct_putu32(reply, DEFAULT_TLENGTH);
- pa_tagstruct_putu32(reply, DEFAULT_PREBUF);
- pa_tagstruct_putu32(reply, DEFAULT_MINREQ);
+ pa_tagstruct_putu32(reply, u->maxlength);
+ pa_tagstruct_put_boolean(reply, !PA_SINK_IS_OPENED(pa_sink_get_state(u->sink)));
+ pa_tagstruct_putu32(reply, u->tlength);
+ pa_tagstruct_putu32(reply, u->prebuf);
+ pa_tagstruct_putu32(reply, u->minreq);
pa_tagstruct_putu32(reply, 0);
pa_cvolume_reset(&volume, u->sink->sample_spec.channels);
pa_tagstruct_put_cvolume(reply, &volume);
#else
pa_tagstruct_putu32(reply, PA_COMMAND_CREATE_RECORD_STREAM);
pa_tagstruct_putu32(reply, tag = u->ctag++);
- pa_tagstruct_puts(reply, name);
+
+ if (u->version < 13)
+ pa_tagstruct_puts(reply, name);
+
pa_tagstruct_put_sample_spec(reply, &u->source->sample_spec);
pa_tagstruct_put_channel_map(reply, &u->source->channel_map);
pa_tagstruct_putu32(reply, PA_INVALID_INDEX);
pa_tagstruct_puts(reply, u->source_name);
- pa_tagstruct_putu32(reply, DEFAULT_MAXLENGTH);
- pa_tagstruct_put_boolean(reply, 0);
- pa_tagstruct_putu32(reply, DEFAULT_FRAGSIZE);
+ pa_tagstruct_putu32(reply, u->maxlength);
+ pa_tagstruct_put_boolean(reply, !PA_SOURCE_IS_OPENED(pa_source_get_state(u->source)));
+ pa_tagstruct_putu32(reply, u->fragsize);
+#endif
+
+ if (u->version >= 12) {
+ pa_tagstruct_put_boolean(reply, false); /* no_remap */
+ pa_tagstruct_put_boolean(reply, false); /* no_remix */
+ pa_tagstruct_put_boolean(reply, false); /* fix_format */
+ pa_tagstruct_put_boolean(reply, false); /* fix_rate */
+ pa_tagstruct_put_boolean(reply, false); /* fix_channels */
+ pa_tagstruct_put_boolean(reply, true); /* no_move */
+ pa_tagstruct_put_boolean(reply, false); /* variable_rate */
+ }
+
+ if (u->version >= 13) {
+ pa_proplist *pl;
+
+ pa_tagstruct_put_boolean(reply, false); /* start muted/peak detect*/
+ pa_tagstruct_put_boolean(reply, true); /* adjust_latency */
+
+ pl = pa_proplist_new();
+ pa_proplist_sets(pl, PA_PROP_MEDIA_NAME, name);
+ pa_proplist_sets(pl, PA_PROP_MEDIA_ROLE, "abstract");
+ pa_tagstruct_put_proplist(reply, pl);
+ pa_proplist_free(pl);
+
+#ifndef TUNNEL_SINK
+ pa_tagstruct_putu32(reply, PA_INVALID_INDEX); /* direct on input */
+#endif
+ }
+
+ if (u->version >= 14) {
+#ifdef TUNNEL_SINK
+ pa_tagstruct_put_boolean(reply, false); /* volume_set */
#endif
-
+ 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 */
+ }
+
+#ifdef TUNNEL_SINK
+ if (u->version >= 17)
+ pa_tagstruct_put_boolean(reply, false); /* relative volume */
+
+ if (u->version >= 18)
+ pa_tagstruct_put_boolean(reply, false); /* passthrough stream */
+#endif
+
+#ifdef TUNNEL_SINK
+ if (u->version >= 21) {
+ /* We're not using the extended API, so n_formats = 0 and that's that */
+ pa_tagstruct_putu8(reply, 0);
+ }
+#else
+ if (u->version >= 22) {
+ /* We're not using the extended API, so n_formats = 0 and that's that */
+ pa_tagstruct_putu8(reply, 0);
+ pa_cvolume_reset(&volume, u->source->sample_spec.channels);
+ pa_tagstruct_put_cvolume(reply, &volume);
+ pa_tagstruct_put_boolean(reply, false); /* muted */
+ pa_tagstruct_put_boolean(reply, false); /* volume_set */
+ pa_tagstruct_put_boolean(reply, false); /* muted_set */
+ pa_tagstruct_put_boolean(reply, false); /* relative volume */
+ pa_tagstruct_put_boolean(reply, false); /* passthrough stream */
+ }
+#endif
+
pa_pstream_send_tagstruct(u->pstream, reply);
pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, create_stream_callback, u, NULL);
+
+ pa_log_debug("Connection authenticated, creating stream ...");
+
+ return;
+
+fail:
+ pa_module_unload_request(u->module, true);
}
+/* Called from main context */
static void pstream_die_callback(pa_pstream *p, void *userdata) {
struct userdata *u = userdata;
- assert(p && u);
- pa_log(__FILE__": stream died.");
- die(u);
-}
+ pa_assert(p);
+ pa_assert(u);
+ pa_log_warn("Stream died.");
+ pa_module_unload_request(u->module, true);
+}
+/* Called from main context */
static void pstream_packet_callback(pa_pstream *p, pa_packet *packet, const pa_creds *creds, void *userdata) {
struct userdata *u = userdata;
- assert(p && packet && u);
+
+ pa_assert(p);
+ pa_assert(packet);
+ pa_assert(u);
if (pa_pdispatch_run(u->pdispatch, packet, creds, u) < 0) {
- pa_log(__FILE__": invalid packet");
- die(u);
+ pa_log("Invalid packet");
+ pa_module_unload_request(u->module, true);
+ return;
}
}
#ifndef TUNNEL_SINK
-static void pstream_memblock_callback(pa_pstream *p, uint32_t channel, PA_GCC_UNUSED int64_t offset, PA_GCC_UNUSED pa_seek_mode_t seek, const pa_memchunk *chunk, void *userdata) {
+/* Called from main context */
+static void pstream_memblock_callback(pa_pstream *p, uint32_t channel, int64_t offset, pa_seek_mode_t seek, const pa_memchunk *chunk, void *userdata) {
struct userdata *u = userdata;
- assert(p && chunk && u);
+
+ pa_assert(p);
+ pa_assert(chunk);
+ pa_assert(u);
if (channel != u->channel) {
- pa_log(__FILE__": recieved memory block on bad channel.");
- die(u);
+ pa_log("Received memory block on bad channel.");
+ pa_module_unload_request(u->module, true);
return;
}
-
- pa_source_post(u->source, chunk);
+
+ pa_asyncmsgq_send(u->source->asyncmsgq, PA_MSGOBJECT(u->source), SOURCE_MESSAGE_POST, PA_UINT_TO_PTR(seek), offset, chunk);
+
+ u->counter_delta += (int64_t) chunk->length;
}
#endif
+/* Called from main context */
static void on_connection(pa_socket_client *sc, pa_iochannel *io, void *userdata) {
struct userdata *u = userdata;
pa_tagstruct *t;
uint32_t tag;
- assert(sc && u && u->client == sc);
+
+ pa_assert(sc);
+ pa_assert(u);
+ pa_assert(u->client == sc);
pa_socket_client_unref(u->client);
u->client = NULL;
-
+
if (!io) {
- pa_log(__FILE__": connection failed.");
- pa_module_unload_request(u->module);
+ pa_log("Connection failed: %s", pa_cstrerror(errno));
+ pa_module_unload_request(u->module, true);
return;
}
u->pstream = pa_pstream_new(u->core->mainloop, io, u->core->mempool);
- u->pdispatch = pa_pdispatch_new(u->core->mainloop, command_table, PA_COMMAND_MAX);
+ u->pdispatch = pa_pdispatch_new(u->core->mainloop, true, command_table, PA_COMMAND_MAX);
pa_pstream_set_die_callback(u->pstream, pstream_die_callback, u);
- pa_pstream_set_recieve_packet_callback(u->pstream, pstream_packet_callback, u);
+ pa_pstream_set_receive_packet_callback(u->pstream, pstream_packet_callback, u);
#ifndef TUNNEL_SINK
- pa_pstream_set_recieve_memblock_callback(u->pstream, pstream_memblock_callback, u);
+ pa_pstream_set_receive_memblock_callback(u->pstream, pstream_memblock_callback, u);
#endif
-
+
t = pa_tagstruct_new(NULL, 0);
pa_tagstruct_putu32(t, PA_COMMAND_AUTH);
pa_tagstruct_putu32(t, tag = u->ctag++);
pa_tagstruct_putu32(t, PA_PROTOCOL_VERSION);
- pa_tagstruct_put_arbitrary(t, u->auth_cookie, sizeof(u->auth_cookie));
- pa_pstream_send_tagstruct(u->pstream, t);
- pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, setup_complete_callback, u, NULL);
-
-}
-
-#ifdef TUNNEL_SINK
-static void sink_notify(pa_sink*sink) {
- struct userdata *u;
- assert(sink && sink->userdata);
- u = sink->userdata;
-
- send_bytes(u);
-}
-
-static pa_usec_t sink_get_latency(pa_sink *sink) {
- struct userdata *u;
- uint32_t l;
- pa_usec_t usec = 0;
- assert(sink && sink->userdata);
- u = sink->userdata;
- l = DEFAULT_TLENGTH;
-
- if (l > u->requested_bytes) {
- l -= u->requested_bytes;
- usec += pa_bytes_to_usec(l, &u->sink->sample_spec);
- }
+ pa_tagstruct_put_arbitrary(t, pa_auth_cookie_read(u->auth_cookie, PA_NATIVE_COOKIE_LENGTH), PA_NATIVE_COOKIE_LENGTH);
- usec += u->host_latency;
+#ifdef HAVE_CREDS
+{
+ pa_creds ucred;
- return usec;
-}
+ if (pa_iochannel_creds_supported(io))
+ pa_iochannel_creds_enable(io);
-static int sink_get_hw_volume(pa_sink *sink) {
- struct userdata *u;
- assert(sink && sink->userdata);
- u = sink->userdata;
+ ucred.uid = getuid();
+ ucred.gid = getgid();
- return 0;
+ pa_pstream_send_tagstruct_with_creds(u->pstream, t, &ucred);
}
-
-static int sink_set_hw_volume(pa_sink *sink) {
- struct userdata *u;
- pa_tagstruct *t;
- uint32_t tag;
- assert(sink && sink->userdata);
- u = sink->userdata;
-
- t = pa_tagstruct_new(NULL, 0);
- pa_tagstruct_putu32(t, PA_COMMAND_SET_SINK_VOLUME);
- pa_tagstruct_putu32(t, tag = u->ctag++);
-
- pa_tagstruct_putu32(t, PA_INVALID_INDEX);
- pa_tagstruct_puts(t, u->sink_name);
- pa_tagstruct_put_cvolume(t, &sink->hw_volume);
+#else
pa_pstream_send_tagstruct(u->pstream, t);
+#endif
- return 0;
-}
-
-static int sink_get_hw_mute(pa_sink *sink) {
- struct userdata *u;
- assert(sink && sink->userdata);
- u = sink->userdata;
+ pa_pdispatch_register_reply(u->pdispatch, tag, DEFAULT_TIMEOUT, setup_complete_callback, u, NULL);
- return 0;
+ pa_log_debug("Connection established, authenticating ...");
}
-static int sink_set_hw_mute(pa_sink *sink) {
+#ifdef TUNNEL_SINK
+
+/* Called from main context */
+static void sink_set_volume(pa_sink *sink) {
struct userdata *u;
pa_tagstruct *t;
- uint32_t tag;
- assert(sink && sink->userdata);
+
+ pa_assert(sink);
u = sink->userdata;
+ pa_assert(u);
t = pa_tagstruct_new(NULL, 0);
- pa_tagstruct_putu32(t, PA_COMMAND_SET_SINK_MUTE);
- pa_tagstruct_putu32(t, tag = u->ctag++);
-
- pa_tagstruct_putu32(t, PA_INVALID_INDEX);
- pa_tagstruct_puts(t, u->sink_name);
- pa_tagstruct_put_boolean(t, !!sink->hw_muted);
+ pa_tagstruct_putu32(t, PA_COMMAND_SET_SINK_INPUT_VOLUME);
+ pa_tagstruct_putu32(t, u->ctag++);
+ pa_tagstruct_putu32(t, u->device_index);
+ pa_tagstruct_put_cvolume(t, &sink->real_volume);
pa_pstream_send_tagstruct(u->pstream, t);
-
- return 0;
-}
-#else
-static pa_usec_t source_get_latency(pa_source *source) {
- struct userdata *u;
- assert(source && source->userdata);
- u = source->userdata;
-
- return u->host_latency;
-}
-
-static int source_get_hw_volume(pa_source *source) {
- struct userdata *u;
- assert(source && source->userdata);
- u = source->userdata;
-
- return 0;
}
-static int source_set_hw_volume(pa_source *source) {
+/* Called from main context */
+static void sink_set_mute(pa_sink *sink) {
struct userdata *u;
pa_tagstruct *t;
- uint32_t tag;
- assert(source && source->userdata);
- u = source->userdata;
-
- t = pa_tagstruct_new(NULL, 0);
- pa_tagstruct_putu32(t, PA_COMMAND_SET_SOURCE_VOLUME);
- pa_tagstruct_putu32(t, tag = u->ctag++);
- pa_tagstruct_putu32(t, PA_INVALID_INDEX);
- pa_tagstruct_puts(t, u->source_name);
- pa_tagstruct_put_cvolume(t, &source->hw_volume);
- pa_pstream_send_tagstruct(u->pstream, t);
-
- return 0;
-}
-
-static int source_get_hw_mute(pa_source *source) {
- struct userdata *u;
- assert(source && source->userdata);
- u = source->userdata;
-
- return 0;
-}
+ pa_assert(sink);
+ u = sink->userdata;
+ pa_assert(u);
-static int source_set_hw_mute(pa_source *source) {
- struct userdata *u;
- pa_tagstruct *t;
- uint32_t tag;
- assert(source && source->userdata);
- u = source->userdata;
+ if (u->version < 11)
+ return;
t = pa_tagstruct_new(NULL, 0);
- pa_tagstruct_putu32(t, PA_COMMAND_SET_SOURCE_MUTE);
- pa_tagstruct_putu32(t, tag = u->ctag++);
-
- pa_tagstruct_putu32(t, PA_INVALID_INDEX);
- pa_tagstruct_puts(t, u->source_name);
- pa_tagstruct_put_boolean(t, !!source->hw_muted);
+ pa_tagstruct_putu32(t, PA_COMMAND_SET_SINK_INPUT_MUTE);
+ pa_tagstruct_putu32(t, u->ctag++);
+ pa_tagstruct_putu32(t, u->device_index);
+ pa_tagstruct_put_boolean(t, !!sink->muted);
pa_pstream_send_tagstruct(u->pstream, t);
-
- return 0;
-}
-#endif
-
-static void timeout_callback(pa_mainloop_api *m, pa_time_event*e, PA_GCC_UNUSED const struct timeval *tv, void *userdata) {
- struct userdata *u = userdata;
- struct timeval ntv;
- assert(m && e && u);
-
- request_latency(u);
-
- pa_gettimeofday(&ntv);
- ntv.tv_sec += LATENCY_INTERVAL;
- m->time_restart(e, &ntv);
}
-static int load_key(struct userdata *u, const char*fn) {
- assert(u);
-
- u->auth_cookie_in_property = 0;
-
- if (!fn && pa_authkey_prop_get(u->core, PA_NATIVE_COOKIE_PROPERTY_NAME, u->auth_cookie, sizeof(u->auth_cookie)) >= 0) {
- pa_log_debug(__FILE__": using already loaded auth cookie.");
- pa_authkey_prop_ref(u->core, PA_NATIVE_COOKIE_PROPERTY_NAME);
- u->auth_cookie_in_property = 1;
- return 0;
- }
-
- if (!fn)
- fn = PA_NATIVE_COOKIE_FILE;
-
- if (pa_authkey_load_auto(fn, u->auth_cookie, sizeof(u->auth_cookie)) < 0)
- return -1;
-
- pa_log_debug(__FILE__": loading cookie from disk.");
-
- if (pa_authkey_prop_put(u->core, PA_NATIVE_COOKIE_PROPERTY_NAME, u->auth_cookie, sizeof(u->auth_cookie)) >= 0)
- u->auth_cookie_in_property = 1;
-
- return 0;
-}
+#endif
-int pa__init(pa_core *c, pa_module*m) {
+int pa__init(pa_module*m) {
pa_modargs *ma = NULL;
struct userdata *u = NULL;
+ char *server = NULL;
+ pa_strlist *server_list = NULL;
pa_sample_spec ss;
pa_channel_map map;
- struct timeval ntv;
- char *t;
-
- assert(c && m);
+ char *dn = NULL;
+#ifdef TUNNEL_SINK
+ pa_sink_new_data data;
+#else
+ pa_source_new_data data;
+#endif
+ bool automatic;
+#ifdef HAVE_X11
+ xcb_connection_t *xcb = NULL;
+#endif
+ const char *cookie_path;
+
+ pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
- pa_log(__FILE__": failed to parse module arguments");
+ pa_log("Failed to parse module arguments");
goto fail;
}
- u = pa_xmalloc(sizeof(struct userdata));
- m->userdata = u;
+ m->userdata = u = pa_xnew0(struct userdata, 1);
+ u->core = m->core;
u->module = m;
- u->core = c;
u->client = NULL;
u->pdispatch = NULL;
u->pstream = NULL;
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,
+ true,
+ 10,
+ pa_rtclock_now(),
+ false);
u->ctag = 1;
u->device_index = u->channel = PA_INVALID_INDEX;
- u->host_latency = 0;
- u->auth_cookie_in_property = 0;
u->time_event = NULL;
-
- if (load_key(u, pa_modargs_get_value(ma, "cookie", NULL)) < 0)
- goto fail;
-
- if (!(u->server_name = pa_xstrdup(pa_modargs_get_value(ma, "server", NULL)))) {
- pa_log(__FILE__": no server specified.");
+ u->ignore_latency_before = 0;
+ u->transport_usec = u->thread_transport_usec = 0;
+ u->remote_suspended = u->remote_corked = false;
+ u->counter = u->counter_delta = 0;
+
+ u->rtpoll = pa_rtpoll_new();
+ pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
+
+ if (pa_modargs_get_value_boolean(ma, "auto", &automatic) < 0) {
+ pa_log("Failed to parse argument \"auto\".");
goto fail;
}
- ss = c->default_sample_spec;
- if (pa_modargs_get_sample_spec_and_channel_map(ma, &ss, &map, PA_CHANNEL_MAP_DEFAULT) < 0) {
- pa_log(__FILE__": invalid sample format specification");
- goto fail;
+ cookie_path = pa_modargs_get_value(ma, "cookie", NULL);
+ server = pa_xstrdup(pa_modargs_get_value(ma, "server", NULL));
+
+ if (automatic) {
+#ifdef HAVE_X11
+ /* Need an X11 connection to get root properties */
+ if (getenv("DISPLAY") != NULL) {
+ if (!(xcb = xcb_connect(getenv("DISPLAY"), NULL)))
+ pa_log("xcb_connect() failed");
+ else {
+ if (xcb_connection_has_error(xcb)) {
+ pa_log("xcb_connection_has_error() returned true");
+ xcb_disconnect(xcb);
+ xcb = NULL;
+ }
+ }
+ }
+#endif
+
+ /* Figure out the cookie the same way a normal client would */
+ if (!cookie_path)
+ cookie_path = getenv(ENV_COOKIE_FILE);
+
+#ifdef HAVE_X11
+ if (!cookie_path && xcb) {
+ char t[1024];
+ if (pa_x11_get_prop(xcb, 0, "PULSE_COOKIE", t, sizeof(t))) {
+ uint8_t cookie[PA_NATIVE_COOKIE_LENGTH];
+
+ if (pa_parsehex(t, cookie, sizeof(cookie)) != sizeof(cookie))
+ pa_log("Failed to parse cookie data");
+ else {
+ if (!(u->auth_cookie = pa_auth_cookie_create(u->core, cookie, sizeof(cookie))))
+ goto fail;
+ }
+ }
+ }
+#endif
+
+ /* Same thing for the server name */
+ if (!server)
+ server = pa_xstrdup(getenv(ENV_DEFAULT_SERVER));
+
+#ifdef HAVE_X11
+ if (!server && xcb) {
+ char t[1024];
+ if (pa_x11_get_prop(xcb, 0, "PULSE_SERVER", t, sizeof(t)))
+ server = pa_xstrdup(t);
+ }
+#endif
+
+ /* Also determine the default sink/source on the other server */
+#ifdef TUNNEL_SINK
+ if (!u->sink_name)
+ u->sink_name = pa_xstrdup(getenv(ENV_DEFAULT_SINK));
+
+#ifdef HAVE_X11
+ if (!u->sink_name && xcb) {
+ char t[1024];
+ if (pa_x11_get_prop(xcb, 0, "PULSE_SINK", t, sizeof(t)))
+ u->sink_name = pa_xstrdup(t);
+ }
+#endif
+#else
+ if (!u->source_name)
+ u->source_name = pa_xstrdup(getenv(ENV_DEFAULT_SOURCE));
+
+#ifdef HAVE_X11
+ if (!u->source_name && xcb) {
+ char t[1024];
+ if (pa_x11_get_prop(xcb, 0, "PULSE_SOURCE", t, sizeof(t)))
+ u->source_name = pa_xstrdup(t);
+ }
+#endif
+#endif
}
- if (!(u->client = pa_socket_client_new_string(c->mainloop, u->server_name, PA_NATIVE_DEFAULT_PORT))) {
- pa_log(__FILE__": failed to connect to server '%s'", u->server_name);
- goto fail;
+ if (!cookie_path && !u->auth_cookie)
+ cookie_path = PA_NATIVE_COOKIE_FILE;
+
+ if (cookie_path) {
+ if (!(u->auth_cookie = pa_auth_cookie_get(u->core, cookie_path, true, PA_NATIVE_COOKIE_LENGTH)))
+ goto fail;
+ }
+
+ if (server) {
+ if (!(server_list = pa_strlist_parse(server))) {
+ pa_log("Invalid server specified.");
+ goto fail;
+ }
+ } else {
+ char *ufn;
+
+ if (!automatic) {
+ pa_log("No server specified.");
+ goto fail;
+ }
+
+ pa_log("No server address found. Attempting default local sockets.");
+
+ /* The system wide instance via PF_LOCAL */
+ server_list = pa_strlist_prepend(server_list, PA_SYSTEM_RUNTIME_PATH PA_PATH_SEP PA_NATIVE_DEFAULT_UNIX_SOCKET);
+
+ /* The user instance via PF_LOCAL */
+ if ((ufn = pa_runtime_path(PA_NATIVE_DEFAULT_UNIX_SOCKET))) {
+ server_list = pa_strlist_prepend(server_list, ufn);
+ pa_xfree(ufn);
+ }
}
-
- if (!u->client)
+
+ 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;
+ }
+
+ for (;;) {
+ server_list = pa_strlist_pop(server_list, &u->server_name);
+
+ if (!u->server_name) {
+ pa_log("Failed to connect to server '%s'", server);
+ goto fail;
+ }
+
+ pa_log_debug("Trying to connect to %s...", u->server_name);
+
+ if (!(u->client = pa_socket_client_new_string(m->core->mainloop, true, u->server_name, PA_NATIVE_DEFAULT_PORT))) {
+ pa_xfree(u->server_name);
+ u->server_name = NULL;
+ continue;
+ }
+
+ break;
+ }
pa_socket_client_set_callback(u->client, on_connection, u);
#ifdef TUNNEL_SINK
- if (!(u->sink = pa_sink_new(c, __FILE__, pa_modargs_get_value(ma, "sink_name", DEFAULT_SINK_NAME), 0, &ss, &map))) {
- pa_log(__FILE__": failed to create sink.");
+
+ if (!(dn = pa_xstrdup(pa_modargs_get_value(ma, "sink_name", NULL))))
+ dn = pa_sprintf_malloc("tunnel-sink.%s", u->server_name);
+
+ pa_sink_new_data_init(&data);
+ data.driver = __FILE__;
+ data.module = m;
+ data.namereg_fail = false;
+ pa_sink_new_data_set_name(&data, dn);
+ pa_sink_new_data_set_sample_spec(&data, &ss);
+ pa_sink_new_data_set_channel_map(&data, &map);
+ pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "%s%s%s", pa_strempty(u->sink_name), u->sink_name ? " on " : "", u->server_name);
+ pa_proplist_sets(data.proplist, "tunnel.remote.server", u->server_name);
+ if (u->sink_name)
+ pa_proplist_sets(data.proplist, "tunnel.remote.sink", u->sink_name);
+
+ 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_new_data_done(&data);
+
+ if (!u->sink) {
+ pa_log("Failed to create sink.");
goto fail;
}
- u->sink->notify = sink_notify;
- u->sink->get_latency = sink_get_latency;
- u->sink->get_hw_volume = sink_get_hw_volume;
- u->sink->set_hw_volume = sink_set_hw_volume;
- u->sink->get_hw_mute = sink_get_hw_mute;
- u->sink->set_hw_mute = sink_set_hw_mute;
+ u->sink->parent.process_msg = sink_process_msg;
u->sink->userdata = u;
- pa_sink_set_description(u->sink, t = pa_sprintf_malloc("Tunnel to '%s%s%s'", u->sink_name ? u->sink_name : "", u->sink_name ? "@" : "", u->server_name));
- pa_xfree(t);
+ u->sink->set_state = sink_set_state;
+ pa_sink_set_set_volume_callback(u->sink, sink_set_volume);
+ pa_sink_set_set_mute_callback(u->sink, sink_set_mute);
+
+ u->sink->refresh_volume = u->sink->refresh_muted = false;
+
+/* 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);
- pa_sink_set_owner(u->sink, m);
#else
- if (!(u->source = pa_source_new(c, __FILE__, pa_modargs_get_value(ma, "source_name", DEFAULT_SOURCE_NAME), 0, &ss, &map))) {
- pa_log(__FILE__": failed to create source.");
+
+ if (!(dn = pa_xstrdup(pa_modargs_get_value(ma, "source_name", NULL))))
+ dn = pa_sprintf_malloc("tunnel-source.%s", u->server_name);
+
+ pa_source_new_data_init(&data);
+ data.driver = __FILE__;
+ data.module = m;
+ data.namereg_fail = false;
+ pa_source_new_data_set_name(&data, dn);
+ pa_source_new_data_set_sample_spec(&data, &ss);
+ pa_source_new_data_set_channel_map(&data, &map);
+ pa_proplist_setf(data.proplist, PA_PROP_DEVICE_DESCRIPTION, "%s%s%s", pa_strempty(u->source_name), u->source_name ? " on " : "", u->server_name);
+ pa_proplist_sets(data.proplist, "tunnel.remote.server", u->server_name);
+ 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);
+
+ if (!u->source) {
+ pa_log("Failed to create source.");
goto fail;
}
- u->source->get_latency = source_get_latency;
- u->source->get_hw_volume = source_get_hw_volume;
- u->source->set_hw_volume = source_set_hw_volume;
- u->source->get_hw_mute = source_get_hw_mute;
- u->source->set_hw_mute = source_set_hw_mute;
+ u->source->parent.process_msg = source_process_msg;
+ u->source->set_state = source_set_state;
u->source->userdata = u;
- pa_source_set_description(u->source, t = pa_sprintf_malloc("Tunnel to '%s%s%s'", u->source_name ? u->source_name : "", u->source_name ? "@" : "", u->server_name));
- pa_xfree(t);
+/* 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->mcalign = pa_mcalign_new(pa_frame_size(&u->source->sample_spec));
+#endif
+
+ pa_xfree(dn);
+
+ u->time_event = NULL;
+
+ u->maxlength = (uint32_t) -1;
+#ifdef TUNNEL_SINK
+ u->tlength = u->minreq = u->prebuf = (uint32_t) -1;
+#else
+ u->fragsize = (uint32_t) -1;
+#endif
+
+ if (!(u->thread = pa_thread_new("module-tunnel", thread_func, u))) {
+ pa_log("Failed to create thread.");
+ goto fail;
+ }
+
+#ifdef TUNNEL_SINK
+ pa_sink_put(u->sink);
+#else
+ pa_source_put(u->source);
+#endif
+
+ if (server)
+ pa_xfree(server);
- pa_source_set_owner(u->source, m);
+ if (server_list)
+ pa_strlist_free(server_list);
+
+#ifdef HAVE_X11
+ if (xcb)
+ xcb_disconnect(xcb);
#endif
-
- pa_gettimeofday(&ntv);
- ntv.tv_sec += LATENCY_INTERVAL;
- u->time_event = c->mainloop->time_new(c->mainloop, &ntv, timeout_callback, u);
pa_modargs_free(ma);
return 0;
-
+
fail:
- pa__done(c, m);
+ pa__done(m);
+
+ if (server)
+ pa_xfree(server);
+
+ if (server_list)
+ pa_strlist_free(server_list);
+
+#ifdef HAVE_X11
+ if (xcb)
+ xcb_disconnect(xcb);
+#endif
if (ma)
pa_modargs_free(ma);
- return -1;
+
+ pa_xfree(dn);
+
+ return -1;
}
-void pa__done(pa_core *c, pa_module*m) {
+void pa__done(pa_module*m) {
struct userdata* u;
- assert(c && m);
+
+ pa_assert(m);
if (!(u = m->userdata))
return;
- close_stuff(u);
+#ifdef TUNNEL_SINK
+ if (u->sink)
+ pa_sink_unlink(u->sink);
+#else
+ if (u->source)
+ pa_source_unlink(u->source);
+#endif
+
+ if (u->thread) {
+ pa_asyncmsgq_send(u->thread_mq.inq, NULL, PA_MESSAGE_SHUTDOWN, NULL, 0, NULL);
+ pa_thread_free(u->thread);
+ }
+
+ pa_thread_mq_done(&u->thread_mq);
+
+#ifdef TUNNEL_SINK
+ if (u->sink)
+ pa_sink_unref(u->sink);
+#else
+ if (u->source)
+ pa_source_unref(u->source);
+#endif
+
+ if (u->rtpoll)
+ pa_rtpoll_free(u->rtpoll);
+
+ if (u->pstream) {
+ pa_pstream_unlink(u->pstream);
+ pa_pstream_unref(u->pstream);
+ }
+
+ if (u->pdispatch)
+ pa_pdispatch_unref(u->pdispatch);
+
+ if (u->client)
+ pa_socket_client_unref(u->client);
+
+ if (u->auth_cookie)
+ pa_auth_cookie_unref(u->auth_cookie);
+
+ if (u->smoother)
+ pa_smoother_free(u->smoother);
+
+ if (u->time_event)
+ u->core->mainloop->time_free(u->time_event);
+
+#ifndef TUNNEL_SINK
+ if (u->mcalign)
+ pa_mcalign_free(u->mcalign);
+#endif
- if (u->auth_cookie_in_property)
- pa_authkey_prop_unref(c, PA_NATIVE_COOKIE_PROPERTY_NAME);
-
#ifdef TUNNEL_SINK
pa_xfree(u->sink_name);
#else
#endif
pa_xfree(u->server_name);
+ pa_xfree(u->device_description);
+ pa_xfree(u->server_fqdn);
+ pa_xfree(u->user_name);
+
pa_xfree(u);
}
-
-