/* The signal handler, called on every SIGXCPU */
static void signal_handler(int sig) {
int saved_errno;
saved_errno = errno;
pa_assert(sig == SIGXCPU);
if (phase == PHASE_IDLE) {
pa_usec_t now, elapsed;
#ifdef PRINT_CPU_LOAD
char t[256];
#endif
now = pa_rtclock_now();
elapsed = now - last_time;
#ifdef PRINT_CPU_LOAD
pa_snprintf(t, sizeof(t), "Using %0.1f%% CPU\n", ((double) CPUTIME_INTERVAL_SOFT * (double) PA_USEC_PER_SEC) / (double) elapsed * 100.0);
write_err(t);
#endif
if (((double) CPUTIME_INTERVAL_SOFT * (double) PA_USEC_PER_SEC) >= ((double) elapsed * (double) CPUTIME_PERCENT / 100.0)) {
static const char c = 'X';
write_err("Soft CPU time limit exhausted, terminating.\n");
/* Try a soft cleanup */
(void) write(the_pipe[1], &c, sizeof(c));
phase = PHASE_SOFT;
reset_cpu_time(CPUTIME_INTERVAL_HARD);
} else {
/* Everything's fine */
reset_cpu_time(CPUTIME_INTERVAL_SOFT);
last_time = now;
}
} else if (phase == PHASE_SOFT) {
write_err("Hard CPU time limit exhausted, terminating forcibly.\n");
abort(); /* Forced exit */
}
errno = saved_errno;
}
char *pa_cvolume_snprint(char *s, size_t l, const pa_cvolume *c) {
unsigned channel;
int first = 1;
char *e;
pa_assert(s);
pa_assert(l > 0);
pa_assert(c);
*(e = s) = 0;
for (channel = 0; channel < c->channels && l > 1; channel++) {
l -= pa_snprintf(e, l, "%s%u: %3u%%",
first ? "" : " ",
channel,
(c->values[channel]*100)/PA_VOLUME_NORM);
e = strchr(e, 0);
first = 0;
}
return s;
}
char *pa_socket_server_get_address(pa_socket_server *s, char *c, size_t l) {
pa_assert(s);
pa_assert(PA_REFCNT_VALUE(s) >= 1);
pa_assert(c);
pa_assert(l > 0);
switch (s->type) {
#ifdef HAVE_IPV6
case SOCKET_SERVER_IPV6: {
struct sockaddr_in6 sa;
socklen_t sa_len = sizeof(sa);
if (getsockname(s->fd, (struct sockaddr*) &sa, &sa_len) < 0) {
pa_log("getsockname(): %s", pa_cstrerror(errno));
return NULL;
}
if (memcmp(&in6addr_any, &sa.sin6_addr, sizeof(in6addr_any)) == 0) {
char fqdn[256];
if (!pa_get_fqdn(fqdn, sizeof(fqdn)))
return NULL;
pa_snprintf(c, l, "tcp6:%s:%u", fqdn, (unsigned) ntohs(sa.sin6_port));
} else if (memcmp(&in6addr_loopback, &sa.sin6_addr, sizeof(in6addr_loopback)) == 0) {
char *id;
if (!(id = pa_machine_id()))
return NULL;
pa_snprintf(c, l, "{%s}tcp6:localhost:%u", id, (unsigned) ntohs(sa.sin6_port));
pa_xfree(id);
} else {
char ip[INET6_ADDRSTRLEN];
if (!inet_ntop(AF_INET6, &sa.sin6_addr, ip, sizeof(ip))) {
pa_log("inet_ntop(): %s", pa_cstrerror(errno));
return NULL;
}
pa_snprintf(c, l, "tcp6:[%s]:%u", ip, (unsigned) ntohs(sa.sin6_port));
}
return c;
}
#endif
case SOCKET_SERVER_IPV4: {
struct sockaddr_in sa;
socklen_t sa_len = sizeof(sa);
if (getsockname(s->fd, (struct sockaddr*) &sa, &sa_len) < 0) {
pa_log("getsockname(): %s", pa_cstrerror(errno));
return NULL;
}
if (sa.sin_addr.s_addr == INADDR_ANY) {
char fqdn[256];
if (!pa_get_fqdn(fqdn, sizeof(fqdn)))
return NULL;
pa_snprintf(c, l, "tcp:%s:%u", fqdn, (unsigned) ntohs(sa.sin_port));
} else if (sa.sin_addr.s_addr == INADDR_LOOPBACK) {
char *id;
if (!(id = pa_machine_id()))
return NULL;
pa_snprintf(c, l, "{%s}tcp:localhost:%u", id, (unsigned) ntohs(sa.sin_port));
pa_xfree(id);
} else {
char ip[INET_ADDRSTRLEN];
if (!inet_ntop(AF_INET, &sa.sin_addr, ip, sizeof(ip))) {
pa_log("inet_ntop(): %s", pa_cstrerror(errno));
return NULL;
}
pa_snprintf(c, l, "tcp:[%s]:%u", ip, (unsigned) ntohs(sa.sin_port));
}
return c;
}
case SOCKET_SERVER_UNIX: {
char *id;
if (!s->filename)
return NULL;
if (!(id = pa_machine_id()))
return NULL;
pa_snprintf(c, l, "{%s}unix:%s", id, s->filename);
pa_xfree(id);
return c;
}
default:
return NULL;
}
}
/* Create a new PID file for the current process. */
int pa_pid_file_create(const char *procname) {
int fd = -1;
int ret = -1;
char t[20];
pid_t pid;
size_t l;
char *fn;
#ifdef OS_IS_WIN32
HANDLE process;
#endif
if (!(fn = pa_runtime_path("pid")))
goto fail;
if ((fd = open_pid_file(fn, O_CREAT|O_RDWR)) < 0)
goto fail;
if ((pid = read_pid(fn, fd)) == (pid_t) -1)
pa_log_warn("Corrupt PID file, overwriting.");
else if (pid > 0) {
int ours = 1;
#ifdef OS_IS_WIN32
if ((process = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, pid)) != NULL) {
CloseHandle(process);
#else
if (kill(pid, 0) >= 0 || errno != ESRCH) {
#endif
if (procname)
if ((ours = proc_name_ours(pid, procname)) < 0) {
pa_log_warn("Could not check to see if pid %lu is a pulseaudio process. "
"Asssuming it is and the daemon is already running.", (unsigned long) pid);
goto fail;
}
if (ours) {
pa_log("Daemon already running.");
ret = 1;
goto fail;
}
}
pa_log_warn("Stale PID file, overwriting.");
}
/* Overwrite the current PID file */
if (lseek(fd, (off_t) 0, SEEK_SET) == (off_t) -1 || ftruncate(fd, (off_t) 0) < 0) {
pa_log("Failed to truncate PID file '%s': %s", fn, pa_cstrerror(errno));
goto fail;
}
pa_snprintf(t, sizeof(t), "%lu\n", (unsigned long) getpid());
l = strlen(t);
if (pa_loop_write(fd, t, l, NULL) != (ssize_t) l) {
pa_log("Failed to write PID file.");
goto fail;
}
ret = 0;
fail:
if (fd >= 0) {
pa_lock_fd(fd, 0);
if (pa_close(fd) < 0) {
pa_log("Failed to close PID file '%s': %s", fn, pa_cstrerror(errno));
ret = -1;
}
}
pa_xfree(fn);
return ret;
}
/* Remove the PID file, if it is ours */
int pa_pid_file_remove(void) {
int fd = -1;
char *fn;
int ret = -1;
pid_t pid;
if (!(fn = pa_runtime_path("pid")))
goto fail;
if ((fd = open_pid_file(fn, O_RDWR)) < 0) {
pa_log_warn("Failed to open PID file '%s': %s", fn, pa_cstrerror(errno));
goto fail;
}
if ((pid = read_pid(fn, fd)) == (pid_t) -1)
goto fail;
if (pid != getpid()) {
pa_log("PID file '%s' not mine!", fn);
goto fail;
}
if (ftruncate(fd, (off_t) 0) < 0) {
pa_log_warn("Failed to truncate PID file '%s': %s", fn, pa_cstrerror(errno));
goto fail;
}
#ifdef OS_IS_WIN32
pa_lock_fd(fd, 0);
pa_close(fd);
fd = -1;
#endif
if (unlink(fn) < 0) {
pa_log_warn("Failed to remove PID file '%s': %s", fn, pa_cstrerror(errno));
goto fail;
}
ret = 0;
fail:
if (fd >= 0) {
pa_lock_fd(fd, 0);
if (pa_close(fd) < 0) {
pa_log_warn("Failed to close PID file '%s': %s", fn, pa_cstrerror(errno));
ret = -1;
}
}
pa_xfree(fn);
return ret;
}
int pa_log_set_target(pa_log_target *t) {
int fd = -1;
int old_fd;
pa_assert(t);
switch (t->type) {
case PA_LOG_STDERR:
case PA_LOG_SYSLOG:
#ifdef HAVE_JOURNAL
case PA_LOG_JOURNAL:
#endif
case PA_LOG_NULL:
break;
case PA_LOG_FILE:
if ((fd = pa_open_cloexec(t->file, O_WRONLY | O_TRUNC | O_CREAT, S_IRUSR | S_IWUSR)) < 0) {
pa_log(_("Failed to open target file '%s'."), t->file);
return -1;
}
break;
case PA_LOG_NEWFILE: {
char *file_path;
char *p;
unsigned version;
file_path = pa_sprintf_malloc("%s.xx", t->file);
p = file_path + strlen(t->file);
for (version = 0; version <= LOG_MAX_SUFFIX_NUMBER; version++) {
memset(p, 0, 3); /* Overwrite the ".xx" part in file_path with zero bytes. */
if (version > 0)
pa_snprintf(p, 4, ".%u", version); /* Why 4? ".xx" + termitating zero byte. */
if ((fd = pa_open_cloexec(file_path, O_WRONLY | O_TRUNC | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR)) >= 0)
break;
}
if (version > LOG_MAX_SUFFIX_NUMBER) {
pa_log(_("Tried to open target file '%s', '%s.1', '%s.2' ... '%s.%d', but all failed."),
t->file, t->file, t->file, t->file, LOG_MAX_SUFFIX_NUMBER);
pa_xfree(file_path);
return -1;
} else
pa_log_debug("Opened target file %s\n", file_path);
pa_xfree(file_path);
break;
}
}
target.type = t->type;
pa_xfree(target.file);
target.file = pa_xstrdup(t->file);
old_fd = log_fd;
log_fd = fd;
if (old_fd >= 0)
pa_close(old_fd);
return 0;
}
static char *segment_name(char *fn, size_t l, unsigned id) {
pa_snprintf(fn, l, "/pulse-shm-%u", id);
return fn;
}
pa_source *pa_droid_source_new(pa_module *m,
pa_modargs *ma,
const char *driver,
pa_droid_card_data *card_data,
pa_droid_mapping *am,
pa_card *card) {
struct userdata *u = NULL;
char *thread_name = NULL;
pa_source_new_data data;
const char *module_id = NULL;
/* const char *tmp; */
uint32_t sample_rate;
uint32_t alternate_sample_rate;
audio_devices_t dev_in;
pa_sample_spec sample_spec;
pa_channel_map channel_map;
bool namereg_fail = false;
pa_droid_config_audio *config = NULL; /* Only used when source is created without card */
uint32_t source_buffer = 0;
char audio_source[32];
int ret;
audio_format_t hal_audio_format = 0;
audio_channel_mask_t hal_channel_mask = 0;
pa_assert(m);
pa_assert(ma);
pa_assert(driver);
/* When running under card use hw module name for source by default. */
if (card && ma)
module_id = am->input->module->name;
else
module_id = pa_modargs_get_value(ma, "module_id", DEFAULT_MODULE_ID);
sample_spec = m->core->default_sample_spec;
channel_map = m->core->default_channel_map;
if (pa_modargs_get_sample_spec_and_channel_map(ma, &sample_spec, &channel_map, PA_CHANNEL_MAP_AIFF) < 0) {
pa_log("Failed to parse sample specification and channel map.");
goto fail;
}
alternate_sample_rate = m->core->alternate_sample_rate;
if (pa_modargs_get_alternate_sample_rate(ma, &alternate_sample_rate) < 0) {
pa_log("Failed to parse alternate sample rate.");
goto fail;
}
if (pa_modargs_get_value_u32(ma, "source_buffer", &source_buffer) < 0) {
pa_log("Failed to parse source_buffer. Needs to be integer >= 0.");
goto fail;
}
u = pa_xnew0(struct userdata, 1);
u->core = m->core;
u->module = m;
u->card = card;
u->rtpoll = pa_rtpoll_new();
pa_thread_mq_init(&u->thread_mq, m->core->mainloop, u->rtpoll);
/* Enabled routing changes by default. */
u->routing_changes_enabled = true;
if (card_data) {
pa_assert(card);
u->card_data = card_data;
pa_assert_se((u->hw_module = pa_droid_hw_module_get(u->core, NULL, card_data->module_id)));
} else {
/* Stand-alone source */
if (!(config = pa_droid_config_load(ma)))
goto fail;
/* Ownership of config transfers to hw_module if opening of hw module succeeds. */
if (!(u->hw_module = pa_droid_hw_module_get(u->core, config, module_id)))
goto fail;
}
if (!pa_convert_format(sample_spec.format, CONV_FROM_PA, &hal_audio_format)) {
pa_log("Sample spec format %u not supported.", sample_spec.format);
goto fail;
}
for (int i = 0; i < channel_map.channels; i++) {
audio_channel_mask_t c;
if (!pa_convert_input_channel(channel_map.map[i], CONV_FROM_PA, &c)) {
pa_log("Failed to convert channel map.");
goto fail;
}
hal_channel_mask |= c;
}
struct audio_config config_in = {
.sample_rate = sample_spec.rate,
.channel_mask = hal_channel_mask,
.format = hal_audio_format
};
/* Default routing */
/* FIXME So while setting routing through stream with HALv2 API fails, creation of stream
* requires HALv2 style device to work properly. So until that oddity is resolved we always
* set AUDIO_DEVICE_IN_BUILTIN_MIC as initial device here. */
#if 0
pa_assert_se(pa_string_convert_input_device_str_to_num("AUDIO_DEVICE_IN_BUILTIN_MIC", &dev_in));
if ((tmp = pa_modargs_get_value(ma, "input_devices", NULL))) {
audio_devices_t tmp_dev;
if (parse_device_list(tmp, &tmp_dev) && tmp_dev)
dev_in = tmp_dev;
pa_log_debug("Set initial devices %s", tmp);
}
#else
pa_log_info("FIXME: Setting AUDIO_DEVICE_IN_BUILTIN_MIC as initial device.");
dev_in = AUDIO_DEVICE_IN_BUILTIN_MIC;
#endif
pa_droid_hw_module_lock(u->hw_module);
ret = u->hw_module->device->open_input_stream(u->hw_module->device,
u->hw_module->stream_in_id,
dev_in,
&config_in,
&u->stream);
/* On some devices the first call will fail if the config parameters are
* not supported, but it'll automatically set the right ones, expecting
* the caller to call it again, so let's try at least one more time */
if (!u->stream)
ret = u->hw_module->device->open_input_stream(u->hw_module->device,
u->hw_module->stream_in_id,
dev_in,
&config_in,
&u->stream);
u->hw_module->stream_in_id++;
pa_droid_hw_module_unlock(u->hw_module);
if (ret < 0) {
pa_log("Failed to open input stream.");
goto fail;
}
if ((sample_rate = u->stream->common.get_sample_rate(&u->stream->common)) != sample_spec.rate) {
pa_log_warn("Requested sample rate %u but got %u instead.", sample_spec.rate, sample_rate);
sample_spec.rate = sample_rate;
}
u->buffer_size = u->stream->common.get_buffer_size(&u->stream->common);
if (source_buffer) {
if (source_buffer < u->buffer_size)
pa_log_warn("Requested buffer size %u less than HAL reported buffer size (%u).", source_buffer, u->buffer_size);
else if (source_buffer % u->buffer_size) {
uint32_t trunc = (source_buffer / u->buffer_size) * u->buffer_size;
pa_log_warn("Requested buffer size %u not multiple of HAL buffer size (%u). Using buffer size %u", source_buffer, u->buffer_size, trunc);
u->buffer_size = trunc;
} else {
pa_log_info("Using requested buffer size %u.", source_buffer);
u->buffer_size = source_buffer;
}
}
pa_log_info("Created Android stream with device: %u sample rate: %u channel mask: %u format: %u buffer size: %u",
dev_in,
sample_rate,
config_in.channel_mask,
config_in.format,
u->buffer_size);
/* Setting audio source to MIC by default */
pa_snprintf(audio_source, sizeof(audio_source), "%s=%u", AUDIO_PARAMETER_STREAM_INPUT_SOURCE, AUDIO_SOURCE_MIC);
u->stream->common.set_parameters(&u->stream->common, audio_source);
pa_log_debug("Setting audio source to AUDIO_SOURCE_MIC by default");
pa_source_new_data_init(&data);
data.driver = driver;
data.module = m;
data.card = card;
source_set_name(ma, &data, module_id);
/* We need to give pa_modargs_get_value_boolean() a pointer to a local
* variable instead of using &data.namereg_fail directly, because
* data.namereg_fail is a bitfield and taking the address of a bitfield
* variable is impossible. */
namereg_fail = data.namereg_fail;
if (pa_modargs_get_value_boolean(ma, "namereg_fail", &namereg_fail) < 0) {
pa_log("Failed to parse namereg_fail argument.");
pa_source_new_data_done(&data);
goto fail;
}
data.namereg_fail = namereg_fail;
pa_source_new_data_set_sample_spec(&data, &sample_spec);
pa_source_new_data_set_channel_map(&data, &channel_map);
pa_source_new_data_set_alternate_sample_rate(&data, alternate_sample_rate);
if (am)
pa_droid_add_ports(data.ports, am, card);
u->source = pa_source_new(m->core, &data, PA_SOURCE_HARDWARE);
pa_source_new_data_done(&data);
if (!u->source) {
pa_log("Failed to create source.");
goto fail;
}
u->source->userdata = u;
u->source->parent.process_msg = source_process_msg;
source_set_mute_control(u);
u->source->set_port = source_set_port_cb;
pa_source_set_asyncmsgq(u->source, u->thread_mq.inq);
pa_source_set_rtpoll(u->source, u->rtpoll);
/* Disable rewind for droid source */
pa_source_set_max_rewind(u->source, 0);
thread_name = pa_sprintf_malloc("droid-source-%s", module_id);
if (!(u->thread = pa_thread_new(thread_name, thread_func, u))) {
pa_log("Failed to create thread.");
goto fail;
}
pa_xfree(thread_name);
thread_name = NULL;
pa_source_set_fixed_latency(u->source, pa_bytes_to_usec(u->buffer_size, &sample_spec));
pa_log_debug("Set fixed latency %" PRIu64 " usec", pa_bytes_to_usec(u->buffer_size, &sample_spec));
if (u->source->active_port)
source_set_port_cb(u->source, u->source->active_port);
pa_source_put(u->source);
return u->source;
fail:
pa_xfree(thread_name);
if (config)
pa_xfree(config);
if (u)
userdata_free(u);
return NULL;
}
void pa_droid_source_free(pa_source *s) {
struct userdata *u;
pa_source_assert_ref(s);
pa_assert_se(u = s->userdata);
userdata_free(u);
}
static void userdata_free(struct userdata *u) {
if (u->source)
pa_source_unlink(u->source);
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);
if (u->source)
pa_source_unref(u->source);
if (u->memchunk.memblock)
pa_memblock_unref(u->memchunk.memblock);
if (u->hw_module && u->stream) {
pa_droid_hw_module_lock(u->hw_module);
u->hw_module->device->close_input_stream(u->hw_module->device, u->stream);
pa_droid_hw_module_unlock(u->hw_module);
}
// Stand alone source
if (u->hw_module)
pa_droid_hw_module_unref(u->hw_module);
pa_xfree(u);
}
void pa_log_levelv_meta(
pa_log_level_t level,
const char*file,
int line,
const char *func,
const char *format,
va_list ap) {
char *t, *n;
int saved_errno = errno;
char *bt = NULL;
pa_log_target_t _target;
pa_log_level_t _maximum_level;
unsigned _show_backtrace;
pa_log_flags_t _flags;
/* We don't use dynamic memory allocation here to minimize the hit
* in RT threads */
char text[16*1024], location[128], timestamp[32];
pa_assert(level < PA_LOG_LEVEL_MAX);
pa_assert(format);
PA_ONCE_BEGIN {
init_defaults();
} PA_ONCE_END;
_target = target_override_set ? target_override : target;
_maximum_level = PA_MAX(maximum_level, maximum_level_override);
_show_backtrace = PA_MAX(show_backtrace, show_backtrace_override);
_flags = flags | flags_override;
if (PA_LIKELY(level > _maximum_level)) {
errno = saved_errno;
return;
}
pa_vsnprintf(text, sizeof(text), format, ap);
if ((_flags & PA_LOG_PRINT_META) && file && line > 0 && func)
pa_snprintf(location, sizeof(location), "[%s:%i %s()] ", file, line, func);
else if ((_flags & (PA_LOG_PRINT_META|PA_LOG_PRINT_FILE)) && file)
pa_snprintf(location, sizeof(location), "%s: ", pa_path_get_filename(file));
else
location[0] = 0;
if (_flags & PA_LOG_PRINT_TIME) {
static pa_usec_t start, last;
pa_usec_t u, a, r;
u = pa_rtclock_now();
PA_ONCE_BEGIN {
start = u;
last = u;
} PA_ONCE_END;
r = u - last;
a = u - start;
/* This is not thread safe, but this is a debugging tool only
* anyway. */
last = u;
pa_snprintf(timestamp, sizeof(timestamp), "(%4llu.%03llu|%4llu.%03llu) ",
(unsigned long long) (a / PA_USEC_PER_SEC),
(unsigned long long) (((a / PA_USEC_PER_MSEC)) % 1000),
(unsigned long long) (r / PA_USEC_PER_SEC),
(unsigned long long) (((r / PA_USEC_PER_MSEC)) % 1000));
} else
int main(int argc, char *argv[]) {
pa_core *c = NULL;
pa_strbuf *buf = NULL;
pa_daemon_conf *conf = NULL;
pa_mainloop *mainloop = NULL;
char *s;
char *configured_address;
int r = 0, retval = 1, d = 0;
bool valid_pid_file = false;
bool ltdl_init = false;
int passed_fd = -1;
const char *e;
#ifdef HAVE_FORK
int daemon_pipe[2] = { -1, -1 };
int daemon_pipe2[2] = { -1, -1 };
#endif
int autospawn_fd = -1;
bool autospawn_locked = false;
#ifdef HAVE_DBUS
pa_dbusobj_server_lookup *server_lookup = NULL; /* /org/pulseaudio/server_lookup */
pa_dbus_connection *lookup_service_bus = NULL; /* Always the user bus. */
pa_dbus_connection *server_bus = NULL; /* The bus where we reserve org.pulseaudio.Server, either the user or the system bus. */
bool start_server;
#endif
pa_log_set_ident("pulseaudio");
pa_log_set_level(PA_LOG_NOTICE);
pa_log_set_flags(PA_LOG_COLORS|PA_LOG_PRINT_FILE|PA_LOG_PRINT_LEVEL, PA_LOG_RESET);
#if defined(__linux__) && defined(__OPTIMIZE__)
/*
Disable lazy relocations to make usage of external libraries
more deterministic for our RT threads. We abuse __OPTIMIZE__ as
a check whether we are a debug build or not. This all is
admittedly a bit snake-oilish.
*/
if (!getenv("LD_BIND_NOW")) {
char *rp;
char *canonical_rp;
/* We have to execute ourselves, because the libc caches the
* value of $LD_BIND_NOW on initialization. */
pa_set_env("LD_BIND_NOW", "1");
if ((canonical_rp = pa_realpath(PA_BINARY))) {
if ((rp = pa_readlink("/proc/self/exe"))) {
if (pa_streq(rp, canonical_rp))
pa_assert_se(execv(rp, argv) == 0);
else
pa_log_warn("/proc/self/exe does not point to %s, cannot self execute. Are you playing games?", canonical_rp);
pa_xfree(rp);
} else
pa_log_warn("Couldn't read /proc/self/exe, cannot self execute. Running in a chroot()?");
pa_xfree(canonical_rp);
} else
pa_log_warn("Couldn't canonicalize binary path, cannot self execute.");
}
#endif
if ((e = getenv("PULSE_PASSED_FD"))) {
passed_fd = atoi(e);
if (passed_fd <= 2)
passed_fd = -1;
}
/* We might be autospawned, in which case have no idea in which
* context we have been started. Let's cleanup our execution
* context as good as possible */
pa_reset_personality();
pa_drop_root();
pa_close_all(passed_fd, -1);
pa_reset_sigs(-1);
pa_unblock_sigs(-1);
pa_reset_priority();
setlocale(LC_ALL, "");
pa_init_i18n();
conf = pa_daemon_conf_new();
if (pa_daemon_conf_load(conf, NULL) < 0)
goto finish;
if (pa_daemon_conf_env(conf) < 0)
goto finish;
if (pa_cmdline_parse(conf, argc, argv, &d) < 0) {
pa_log(_("Failed to parse command line."));
goto finish;
}
if (conf->log_target)
pa_log_set_target(conf->log_target);
else {
pa_log_target target = { .type = PA_LOG_STDERR, .file = NULL };
pa_log_set_target(&target);
}
pa_log_set_level(conf->log_level);
if (conf->log_meta)
pa_log_set_flags(PA_LOG_PRINT_META, PA_LOG_SET);
if (conf->log_time)
pa_log_set_flags(PA_LOG_PRINT_TIME, PA_LOG_SET);
pa_log_set_show_backtrace(conf->log_backtrace);
#ifdef HAVE_DBUS
/* conf->system_instance and conf->local_server_type control almost the
* same thing; make them agree about what is requested. */
switch (conf->local_server_type) {
case PA_SERVER_TYPE_UNSET:
conf->local_server_type = conf->system_instance ? PA_SERVER_TYPE_SYSTEM : PA_SERVER_TYPE_USER;
break;
case PA_SERVER_TYPE_USER:
case PA_SERVER_TYPE_NONE:
conf->system_instance = false;
break;
case PA_SERVER_TYPE_SYSTEM:
conf->system_instance = true;
break;
default:
pa_assert_not_reached();
}
start_server = conf->local_server_type == PA_SERVER_TYPE_USER || (getuid() == 0 && conf->local_server_type == PA_SERVER_TYPE_SYSTEM);
if (!start_server && conf->local_server_type == PA_SERVER_TYPE_SYSTEM) {
pa_log_notice(_("System mode refused for non-root user. Only starting the D-Bus server lookup service."));
conf->system_instance = false;
}
#endif
LTDL_SET_PRELOADED_SYMBOLS();
pa_ltdl_init();
ltdl_init = true;
if (conf->dl_search_path)
lt_dlsetsearchpath(conf->dl_search_path);
#ifdef OS_IS_WIN32
{
WSADATA data;
WSAStartup(MAKEWORD(2, 0), &data);
}
#endif
pa_random_seed();
switch (conf->cmd) {
case PA_CMD_DUMP_MODULES:
pa_dump_modules(conf, argc-d, argv+d);
retval = 0;
goto finish;
case PA_CMD_DUMP_CONF: {
if (d < argc) {
pa_log("Too many arguments.\n");
goto finish;
}
s = pa_daemon_conf_dump(conf);
fputs(s, stdout);
pa_xfree(s);
retval = 0;
goto finish;
}
case PA_CMD_DUMP_RESAMPLE_METHODS: {
int i;
if (d < argc) {
pa_log("Too many arguments.\n");
goto finish;
}
for (i = 0; i < PA_RESAMPLER_MAX; i++)
if (pa_resample_method_supported(i))
printf("%s\n", pa_resample_method_to_string(i));
retval = 0;
goto finish;
}
case PA_CMD_HELP :
pa_cmdline_help(argv[0]);
retval = 0;
goto finish;
case PA_CMD_VERSION :
if (d < argc) {
pa_log("Too many arguments.\n");
goto finish;
}
printf(PACKAGE_NAME" "PACKAGE_VERSION"\n");
retval = 0;
goto finish;
case PA_CMD_CHECK: {
pid_t pid;
if (d < argc) {
pa_log("Too many arguments.\n");
goto finish;
}
if (pa_pid_file_check_running(&pid, "pulseaudio") < 0)
pa_log_info(_("Daemon not running"));
else {
pa_log_info(_("Daemon running as PID %u"), pid);
retval = 0;
}
goto finish;
}
case PA_CMD_KILL:
if (d < argc) {
pa_log("Too many arguments.\n");
goto finish;
}
if (pa_pid_file_kill(SIGINT, NULL, "pulseaudio") < 0)
pa_log(_("Failed to kill daemon: %s"), pa_cstrerror(errno));
else
retval = 0;
goto finish;
case PA_CMD_CLEANUP_SHM:
if (d < argc) {
pa_log("Too many arguments.\n");
goto finish;
}
if (pa_shm_cleanup() >= 0)
retval = 0;
goto finish;
default:
pa_assert(conf->cmd == PA_CMD_DAEMON || conf->cmd == PA_CMD_START);
}
if (d < argc) {
pa_log("Too many arguments.\n");
goto finish;
}
#ifdef HAVE_GETUID
if (getuid() == 0 && !conf->system_instance)
pa_log_warn(_("This program is not intended to be run as root (unless --system is specified)."));
#ifndef HAVE_DBUS /* A similar, only a notice worthy check was done earlier, if D-Bus is enabled. */
else if (getuid() != 0 && conf->system_instance) {
pa_log(_("Root privileges required."));
goto finish;
}
#endif
#endif /* HAVE_GETUID */
if (conf->cmd == PA_CMD_START && conf->system_instance) {
pa_log(_("--start not supported for system instances."));
goto finish;
}
if (conf->cmd == PA_CMD_START && (configured_address = check_configured_address())) {
/* There is an server address in our config, but where did it come from?
* By default a standard X11 login will load module-x11-publish which will
* inject PULSE_SERVER X11 property. If the PA daemon crashes, we will end
* up hitting this code path. So we have to check to see if our configured_address
* is the same as the value that would go into this property so that we can
* recover (i.e. autospawn) from a crash.
*/
char *ufn;
bool start_anyway = false;
if ((ufn = pa_runtime_path(PA_NATIVE_DEFAULT_UNIX_SOCKET))) {
char *id;
if ((id = pa_machine_id())) {
pa_strlist *server_list;
char formatted_ufn[256];
pa_snprintf(formatted_ufn, sizeof(formatted_ufn), "{%s}unix:%s", id, ufn);
pa_xfree(id);
if ((server_list = pa_strlist_parse(configured_address))) {
char *u = NULL;
/* We only need to check the first server */
server_list = pa_strlist_pop(server_list, &u);
pa_strlist_free(server_list);
start_anyway = (u && pa_streq(formatted_ufn, u));
pa_xfree(u);
}
}
pa_xfree(ufn);
}
if (!start_anyway) {
pa_log_notice(_("User-configured server at %s, refusing to start/autospawn."), configured_address);
pa_xfree(configured_address);
retval = 0;
goto finish;
}
pa_log_notice(_("User-configured server at %s, which appears to be local. Probing deeper."), configured_address);
pa_xfree(configured_address);
}
if (conf->system_instance && !conf->disallow_exit)
pa_log_warn(_("Running in system mode, but --disallow-exit not set!"));
if (conf->system_instance && !conf->disallow_module_loading)
pa_log_warn(_("Running in system mode, but --disallow-module-loading not set!"));
if (conf->system_instance && !conf->disable_shm) {
pa_log_notice(_("Running in system mode, forcibly disabling SHM mode!"));
conf->disable_shm = true;
}
if (conf->system_instance && conf->exit_idle_time >= 0) {
pa_log_notice(_("Running in system mode, forcibly disabling exit idle time!"));
conf->exit_idle_time = -1;
}
if (conf->cmd == PA_CMD_START) {
/* If we shall start PA only when it is not running yet, we
* first take the autospawn lock to make things
* synchronous. */
if ((autospawn_fd = pa_autospawn_lock_init()) < 0) {
pa_log("Failed to initialize autospawn lock");
goto finish;
}
if ((pa_autospawn_lock_acquire(true) < 0)) {
pa_log("Failed to acquire autospawn lock");
goto finish;
}
autospawn_locked = true;
}
if (conf->daemonize) {
#ifdef HAVE_FORK
pid_t child;
#endif
if (pa_stdio_acquire() < 0) {
pa_log(_("Failed to acquire stdio."));
goto finish;
}
#ifdef HAVE_FORK
if (pipe(daemon_pipe) < 0) {
pa_log(_("pipe() failed: %s"), pa_cstrerror(errno));
goto finish;
}
if ((child = fork()) < 0) {
pa_log(_("fork() failed: %s"), pa_cstrerror(errno));
pa_close_pipe(daemon_pipe);
goto finish;
}
if (child != 0) {
ssize_t n;
/* Father */
pa_assert_se(pa_close(daemon_pipe[1]) == 0);
daemon_pipe[1] = -1;
if ((n = pa_loop_read(daemon_pipe[0], &retval, sizeof(retval), NULL)) != sizeof(retval)) {
if (n < 0)
pa_log(_("read() failed: %s"), pa_cstrerror(errno));
retval = 1;
}
if (retval)
pa_log(_("Daemon startup failed."));
else
pa_log_info(_("Daemon startup successful."));
goto finish;
}
if (autospawn_fd >= 0) {
/* The lock file is unlocked from the parent, so we need
* to close it in the child */
pa_autospawn_lock_release();
pa_autospawn_lock_done(true);
autospawn_locked = false;
autospawn_fd = -1;
}
pa_assert_se(pa_close(daemon_pipe[0]) == 0);
daemon_pipe[0] = -1;
#endif
if (!conf->log_target) {
#ifdef HAVE_JOURNAL
pa_log_target target = { .type = PA_LOG_JOURNAL, .file = NULL };
#else
pa_log_target target = { .type = PA_LOG_SYSLOG, .file = NULL };
#endif
pa_log_set_target(&target);
}
static void on_set_debug(pa_core* c, pa_proplist* p, int debug_sink_id, const char* ext_args)
{
const char* device_name = pa_proplist_gets(p, PROPLIST_KEY_DEVICE);
if (!device_name) {
pa_log_error("device not specific!");
return;
}
int device_id = atoi(device_name);
pa_sink* sink = NULL;
pa_source* source = NULL;
sink = find_sink(c, device_id);
if (!sink) {
source = find_source(c, device_id);
}
if (!sink && !source) {
pa_log_error("sink/source of device id %s not found!", device_name);
return;
}
pa_sample_spec ss;
pa_channel_map map;
if (sink) {
ss = sink->sample_spec;
map = sink->channel_map;
}
else {
ss = source->sample_spec;
map = source->channel_map;
}
if (debug_sink_id == EAUDIO_STREAM_DEVICE_VIRTUALOUPUT_REMOTE) {
ss.rate = 8000;
ss.format = PA_SAMPLE_U8;
ss.channels = 1;
map.channels = 1;
}
char sink_name[64];
GET_PLUGIN_NAME(sink_name, debug_sink_id);
pa_module* link_module = NULL;
const char* str_func = pa_proplist_gets(p, PROPLIST_VALUE_FUNC);
bool func_on = true;
if (str_func) {
func_on = !strcmp(str_func, PROPLIST_VALUE_TRUE);
}
if (sink) {
link_module = sink->module;
}
else if (source) {
link_module = source->module;
}
if (func_on) {
pa_pre_load_func_t f = pa_get_user_data(PA_USER_SINK_PRELOAD_FUNC);
if (f) {
f(sink_name, c, &ss, &map, ext_args);
}
pa_sink* remote_sink = pa_namereg_get(c, sink_name, PA_NAMEREG_SINK);
if (!remote_sink) {
pa_log_error("remote-sink load failed");
return;
}
char args[256] = { 0 };
char loopback_name[128] = { 0 };
const char* i_name = NULL;
const char* o_name = NULL;
if (sink) {
i_name = sink->monitor_source->name;
o_name = remote_sink->name;
}
else if (source) {
i_name = source->name;
o_name = remote_sink->name;
}
pa_snprintf(loopback_name, sizeof(loopback_name), "Loopback(%s->%s)", i_name, o_name);
pa_snprintf(args, sizeof(args), "name=%s source=%s sink=%s token=%u %s", loopback_name, i_name, o_name, MAGIC_TOKEN_ID, ext_args ? ext_args : "");
pa_log_info("load-module module-loopback args: %s", args);
pa_module* m = pa_module_load(c, "module-loopback", args);
if (!m) {
pa_log_error("on_set_debug module load err.");
return;
}
if (link_module) {
pa_proplist_sets(link_module->proplist, PA_PROP_LINK_LOOPBACK_ID, loopback_name);
}
}
else {
pa_sink* remote_sink = find_sink(c, debug_sink_id);
if (remote_sink) {
pa_log_info("unloading remote_sink %d", debug_sink_id);
pa_module_unload_request(remote_sink->module, true);
}
}
}
int main(int argc, char *argv[]) {
pa_core *c = NULL;
pa_strbuf *buf = NULL;
pa_daemon_conf *conf = NULL;
pa_mainloop *mainloop = NULL;
char *s;
char *configured_address;
int r = 0, retval = 1, d = 0;
pa_bool_t valid_pid_file = FALSE;
pa_bool_t ltdl_init = FALSE;
int passed_fd = -1;
const char *e;
#ifdef HAVE_FORK
int daemon_pipe[2] = { -1, -1 };
int daemon_pipe2[2] = { -1, -1 };
#endif
#ifdef OS_IS_WIN32
pa_time_event *win32_timer;
struct timeval win32_tv;
#endif
int autospawn_fd = -1;
pa_bool_t autospawn_locked = FALSE;
#ifdef HAVE_DBUS
pa_dbusobj_server_lookup *server_lookup = NULL; /* /org/pulseaudio/server_lookup */
pa_dbus_connection *lookup_service_bus = NULL; /* Always the user bus. */
pa_dbus_connection *server_bus = NULL; /* The bus where we reserve org.pulseaudio.Server, either the user or the system bus. */
pa_bool_t start_server;
#endif
pa_log_set_ident("pulseaudio");
pa_log_set_level(PA_LOG_NOTICE);
pa_log_set_flags(PA_LOG_COLORS|PA_LOG_PRINT_FILE|PA_LOG_PRINT_LEVEL, PA_LOG_RESET);
#if defined(__linux__) && defined(__OPTIMIZE__)
/*
Disable lazy relocations to make usage of external libraries
more deterministic for our RT threads. We abuse __OPTIMIZE__ as
a check whether we are a debug build or not. This all is
admittedly a bit snake-oilish.
*/
if (!getenv("LD_BIND_NOW")) {
char *rp;
char *canonical_rp;
/* We have to execute ourselves, because the libc caches the
* value of $LD_BIND_NOW on initialization. */
pa_set_env("LD_BIND_NOW", "1");
if ((canonical_rp = pa_realpath(PA_BINARY))) {
if ((rp = pa_readlink("/proc/self/exe"))) {
if (pa_streq(rp, canonical_rp))
pa_assert_se(execv(rp, argv) == 0);
else
pa_log_warn("/proc/self/exe does not point to %s, cannot self execute. Are you playing games?", canonical_rp);
pa_xfree(rp);
} else
pa_log_warn("Couldn't read /proc/self/exe, cannot self execute. Running in a chroot()?");
pa_xfree(canonical_rp);
} else
pa_log_warn("Couldn't canonicalize binary path, cannot self execute.");
}
#endif
if ((e = getenv("PULSE_PASSED_FD"))) {
passed_fd = atoi(e);
if (passed_fd <= 2)
passed_fd = -1;
}
/* We might be autospawned, in which case have no idea in which
* context we have been started. Let's cleanup our execution
* context as good as possible */
pa_reset_personality();
pa_drop_root();
pa_close_all(passed_fd, -1);
pa_reset_sigs(-1);
pa_unblock_sigs(-1);
pa_reset_priority();
setlocale(LC_ALL, "");
pa_init_i18n();
conf = pa_daemon_conf_new();
if (pa_daemon_conf_load(conf, NULL) < 0)
goto finish;
if (pa_daemon_conf_env(conf) < 0)
goto finish;
if (pa_cmdline_parse(conf, argc, argv, &d) < 0) {
pa_log(_("Failed to parse command line."));
goto finish;
}
pa_log_set_level(conf->log_level);
pa_log_set_target(conf->auto_log_target ? PA_LOG_STDERR : conf->log_target);
if (conf->log_meta)
pa_log_set_flags(PA_LOG_PRINT_META, PA_LOG_SET);
if (conf->log_time)
pa_log_set_flags(PA_LOG_PRINT_TIME, PA_LOG_SET);
pa_log_set_show_backtrace(conf->log_backtrace);
#ifdef HAVE_DBUS
/* conf->system_instance and conf->local_server_type control almost the
* same thing; make them agree about what is requested. */
switch (conf->local_server_type) {
case PA_SERVER_TYPE_UNSET:
conf->local_server_type = conf->system_instance ? PA_SERVER_TYPE_SYSTEM : PA_SERVER_TYPE_USER;
break;
case PA_SERVER_TYPE_USER:
case PA_SERVER_TYPE_NONE:
conf->system_instance = FALSE;
break;
case PA_SERVER_TYPE_SYSTEM:
conf->system_instance = TRUE;
break;
default:
pa_assert_not_reached();
}
start_server = conf->local_server_type == PA_SERVER_TYPE_USER || (getuid() == 0 && conf->local_server_type == PA_SERVER_TYPE_SYSTEM);
if (!start_server && conf->local_server_type == PA_SERVER_TYPE_SYSTEM) {
pa_log_notice(_("System mode refused for non-root user. Only starting the D-Bus server lookup service."));
conf->system_instance = FALSE;
}
#endif
LTDL_SET_PRELOADED_SYMBOLS();
pa_ltdl_init();
ltdl_init = TRUE;
if (conf->dl_search_path)
lt_dlsetsearchpath(conf->dl_search_path);
#ifdef OS_IS_WIN32
{
WSADATA data;
WSAStartup(MAKEWORD(2, 0), &data);
}
#endif
pa_random_seed();
switch (conf->cmd) {
case PA_CMD_DUMP_MODULES:
pa_dump_modules(conf, argc-d, argv+d);
retval = 0;
goto finish;
case PA_CMD_DUMP_CONF: {
if (d < argc) {
pa_log("Too many arguments.\n");
goto finish;
}
s = pa_daemon_conf_dump(conf);
fputs(s, stdout);
pa_xfree(s);
retval = 0;
goto finish;
}
case PA_CMD_DUMP_RESAMPLE_METHODS: {
int i;
if (d < argc) {
pa_log("Too many arguments.\n");
goto finish;
}
for (i = 0; i < PA_RESAMPLER_MAX; i++)
if (pa_resample_method_supported(i))
printf("%s\n", pa_resample_method_to_string(i));
retval = 0;
goto finish;
}
case PA_CMD_HELP :
pa_cmdline_help(argv[0]);
retval = 0;
goto finish;
case PA_CMD_VERSION :
if (d < argc) {
pa_log("Too many arguments.\n");
goto finish;
}
printf(PACKAGE_NAME" "PACKAGE_VERSION"\n");
retval = 0;
goto finish;
case PA_CMD_CHECK: {
pid_t pid;
if (d < argc) {
pa_log("Too many arguments.\n");
goto finish;
}
if (pa_pid_file_check_running(&pid, "pulseaudio") < 0)
pa_log_info(_("Daemon not running"));
else {
pa_log_info(_("Daemon running as PID %u"), pid);
retval = 0;
}
goto finish;
}
case PA_CMD_KILL:
if (d < argc) {
pa_log("Too many arguments.\n");
goto finish;
}
if (pa_pid_file_kill(SIGINT, NULL, "pulseaudio") < 0)
pa_log(_("Failed to kill daemon: %s"), pa_cstrerror(errno));
else
retval = 0;
goto finish;
case PA_CMD_CLEANUP_SHM:
if (d < argc) {
pa_log("Too many arguments.\n");
goto finish;
}
if (pa_shm_cleanup() >= 0)
retval = 0;
goto finish;
default:
pa_assert(conf->cmd == PA_CMD_DAEMON || conf->cmd == PA_CMD_START);
}
if (d < argc) {
pa_log("Too many arguments.\n");
goto finish;
}
#ifdef HAVE_GETUID
if (getuid() == 0 && !conf->system_instance)
pa_log_warn(_("This program is not intended to be run as root (unless --system is specified)."));
#ifndef HAVE_DBUS /* A similar, only a notice worthy check was done earlier, if D-Bus is enabled. */
else if (getuid() != 0 && conf->system_instance) {
pa_log(_("Root privileges required."));
goto finish;
}
#endif
#endif /* HAVE_GETUID */
if (conf->cmd == PA_CMD_START && conf->system_instance) {
pa_log(_("--start not supported for system instances."));
goto finish;
}
if (conf->cmd == PA_CMD_START && (configured_address = check_configured_address())) {
/* There is an server address in our config, but where did it come from?
* By default a standard X11 login will load module-x11-publish which will
* inject PULSE_SERVER X11 property. If the PA daemon crashes, we will end
* up hitting this code path. So we have to check to see if our configured_address
* is the same as the value that would go into this property so that we can
* recover (i.e. autospawn) from a crash.
*/
char *ufn;
pa_bool_t start_anyway = FALSE;
if ((ufn = pa_runtime_path(PA_NATIVE_DEFAULT_UNIX_SOCKET))) {
char *id;
if ((id = pa_machine_id())) {
pa_strlist *server_list;
char formatted_ufn[256];
pa_snprintf(formatted_ufn, sizeof(formatted_ufn), "{%s}unix:%s", id, ufn);
pa_xfree(id);
if ((server_list = pa_strlist_parse(configured_address))) {
char *u = NULL;
/* We only need to check the first server */
server_list = pa_strlist_pop(server_list, &u);
pa_strlist_free(server_list);
start_anyway = (u && pa_streq(formatted_ufn, u));
pa_xfree(u);
}
}
pa_xfree(ufn);
}
if (!start_anyway) {
pa_log_notice(_("User-configured server at %s, refusing to start/autospawn."), configured_address);
pa_xfree(configured_address);
retval = 0;
goto finish;
}
pa_log_notice(_("User-configured server at %s, which appears to be local. Probing deeper."), configured_address);
pa_xfree(configured_address);
}
if (conf->system_instance && !conf->disallow_exit)
pa_log_warn(_("Running in system mode, but --disallow-exit not set!"));
if (conf->system_instance && !conf->disallow_module_loading)
pa_log_warn(_("Running in system mode, but --disallow-module-loading not set!"));
if (conf->system_instance && !conf->disable_shm) {
pa_log_notice(_("Running in system mode, forcibly disabling SHM mode!"));
conf->disable_shm = TRUE;
}
if (conf->system_instance && conf->exit_idle_time >= 0) {
pa_log_notice(_("Running in system mode, forcibly disabling exit idle time!"));
conf->exit_idle_time = -1;
}
if (conf->cmd == PA_CMD_START) {
/* If we shall start PA only when it is not running yet, we
* first take the autospawn lock to make things
* synchronous. */
if ((autospawn_fd = pa_autospawn_lock_init()) < 0) {
pa_log("Failed to initialize autospawn lock");
goto finish;
}
if ((pa_autospawn_lock_acquire(TRUE) < 0)) {
pa_log("Failed to acquire autospawn lock");
goto finish;
}
autospawn_locked = TRUE;
}
if (conf->daemonize) {
#ifdef HAVE_FORK
pid_t child;
#endif
if (pa_stdio_acquire() < 0) {
pa_log(_("Failed to acquire stdio."));
goto finish;
}
#ifdef HAVE_FORK
if (pipe(daemon_pipe) < 0) {
pa_log(_("pipe() failed: %s"), pa_cstrerror(errno));
goto finish;
}
if ((child = fork()) < 0) {
pa_log(_("fork() failed: %s"), pa_cstrerror(errno));
pa_close_pipe(daemon_pipe);
goto finish;
}
if (child != 0) {
ssize_t n;
/* Father */
pa_assert_se(pa_close(daemon_pipe[1]) == 0);
daemon_pipe[1] = -1;
if ((n = pa_loop_read(daemon_pipe[0], &retval, sizeof(retval), NULL)) != sizeof(retval)) {
if (n < 0)
pa_log(_("read() failed: %s"), pa_cstrerror(errno));
retval = 1;
}
if (retval)
pa_log(_("Daemon startup failed."));
else
pa_log_info(_("Daemon startup successful."));
goto finish;
}
if (autospawn_fd >= 0) {
/* The lock file is unlocked from the parent, so we need
* to close it in the child */
pa_autospawn_lock_release();
pa_autospawn_lock_done(TRUE);
autospawn_locked = FALSE;
autospawn_fd = -1;
}
pa_assert_se(pa_close(daemon_pipe[0]) == 0);
daemon_pipe[0] = -1;
#endif
if (conf->auto_log_target)
pa_log_set_target(PA_LOG_SYSLOG);
#ifdef HAVE_SETSID
if (setsid() < 0) {
pa_log(_("setsid() failed: %s"), pa_cstrerror(errno));
goto finish;
}
#endif
#ifdef HAVE_FORK
/* We now are a session and process group leader. Let's fork
* again and let the father die, so that we'll become a
* process that can never acquire a TTY again, in a session and
* process group without leader */
if (pipe(daemon_pipe2) < 0) {
pa_log(_("pipe() failed: %s"), pa_cstrerror(errno));
goto finish;
}
if ((child = fork()) < 0) {
pa_log(_("fork() failed: %s"), pa_cstrerror(errno));
pa_close_pipe(daemon_pipe2);
goto finish;
}
if (child != 0) {
ssize_t n;
/* Father */
pa_assert_se(pa_close(daemon_pipe2[1]) == 0);
daemon_pipe2[1] = -1;
if ((n = pa_loop_read(daemon_pipe2[0], &retval, sizeof(retval), NULL)) != sizeof(retval)) {
if (n < 0)
pa_log(_("read() failed: %s"), pa_cstrerror(errno));
retval = 1;
}
/* We now have to take care of signalling the first fork with
* the return value we've received from this fork... */
pa_assert(daemon_pipe[1] >= 0);
pa_loop_write(daemon_pipe[1], &retval, sizeof(retval), NULL);
pa_close(daemon_pipe[1]);
daemon_pipe[1] = -1;
goto finish;
}
pa_assert_se(pa_close(daemon_pipe2[0]) == 0);
daemon_pipe2[0] = -1;
/* We no longer need the (first) daemon_pipe as it's handled in our child above */
pa_close_pipe(daemon_pipe);
#endif
#ifdef SIGTTOU
signal(SIGTTOU, SIG_IGN);
#endif
#ifdef SIGTTIN
signal(SIGTTIN, SIG_IGN);
#endif
#ifdef SIGTSTP
signal(SIGTSTP, SIG_IGN);
#endif
pa_nullify_stdfds();
}
pa_set_env_and_record("PULSE_INTERNAL", "1");
pa_assert_se(chdir("/") == 0);
umask(0022);
#ifdef HAVE_SYS_RESOURCE_H
set_all_rlimits(conf);
#endif
pa_rtclock_hrtimer_enable();
pa_raise_priority(conf->nice_level);
if (conf->system_instance)
if (change_user() < 0)
goto finish;
pa_set_env_and_record("PULSE_SYSTEM", conf->system_instance ? "1" : "0");
pa_log_info(_("This is PulseAudio %s"), PACKAGE_VERSION);
pa_log_debug(_("Compilation host: %s"), CANONICAL_HOST);
pa_log_debug(_("Compilation CFLAGS: %s"), PA_CFLAGS);
s = pa_uname_string();
pa_log_debug(_("Running on host: %s"), s);
pa_xfree(s);
pa_log_debug(_("Found %u CPUs."), pa_ncpus());
pa_log_info(_("Page size is %lu bytes"), (unsigned long) PA_PAGE_SIZE);
#ifdef HAVE_VALGRIND_MEMCHECK_H
pa_log_debug(_("Compiled with Valgrind support: yes"));
#else
pa_log_debug(_("Compiled with Valgrind support: no"));
#endif
pa_log_debug(_("Running in valgrind mode: %s"), pa_yes_no(pa_in_valgrind()));
pa_log_debug(_("Running in VM: %s"), pa_yes_no(pa_running_in_vm()));
#ifdef __OPTIMIZE__
pa_log_debug(_("Optimized build: yes"));
#else
pa_log_debug(_("Optimized build: no"));
#endif
#ifdef NDEBUG
pa_log_debug(_("NDEBUG defined, all asserts disabled."));
#elif defined(FASTPATH)
pa_log_debug(_("FASTPATH defined, only fast path asserts disabled."));
#else
pa_log_debug(_("All asserts enabled."));
#endif
if (!(s = pa_machine_id())) {
pa_log(_("Failed to get machine ID"));
goto finish;
}
pa_log_info(_("Machine ID is %s."), s);
pa_xfree(s);
if ((s = pa_session_id())) {
pa_log_info(_("Session ID is %s."), s);
pa_xfree(s);
}
if (!(s = pa_get_runtime_dir()))
goto finish;
pa_log_info(_("Using runtime directory %s."), s);
pa_xfree(s);
if (!(s = pa_get_state_dir()))
goto finish;
pa_log_info(_("Using state directory %s."), s);
pa_xfree(s);
pa_log_info(_("Using modules directory %s."), conf->dl_search_path);
pa_log_info(_("Running in system mode: %s"), pa_yes_no(pa_in_system_mode()));
if (pa_in_system_mode())
pa_log_warn(_("OK, so you are running PA in system mode. Please note that you most likely shouldn't be doing that.\n"
"If you do it nonetheless then it's your own fault if things don't work as expected.\n"
"Please read http://pulseaudio.org/wiki/WhatIsWrongWithSystemMode for an explanation why system mode is usually a bad idea."));
if (conf->use_pid_file) {
int z;
if ((z = pa_pid_file_create("pulseaudio")) != 0) {
if (conf->cmd == PA_CMD_START && z > 0) {
/* If we are already running and with are run in
* --start mode, then let's return this as success. */
retval = 0;
goto finish;
}
pa_log(_("pa_pid_file_create() failed."));
goto finish;
}
valid_pid_file = TRUE;
}
pa_disable_sigpipe();
if (pa_rtclock_hrtimer())
pa_log_info(_("Fresh high-resolution timers available! Bon appetit!"));
else
pa_log_info(_("Dude, your kernel stinks! The chef's recommendation today is Linux with high-resolution timers enabled!"));
if (conf->lock_memory) {
#ifdef HAVE_SYS_MMAN_H
if (mlockall(MCL_FUTURE) < 0)
pa_log_warn("mlockall() failed: %s", pa_cstrerror(errno));
else
pa_log_info("Successfully locked process into memory.");
#else
pa_log_warn("Memory locking requested but not supported on platform.");
#endif
}
pa_memtrap_install();
pa_assert_se(mainloop = pa_mainloop_new());
if (!(c = pa_core_new(pa_mainloop_get_api(mainloop), !conf->disable_shm, conf->shm_size))) {
pa_log(_("pa_core_new() failed."));
goto finish;
}
c->default_sample_spec = conf->default_sample_spec;
c->alternate_sample_rate = conf->alternate_sample_rate;
c->default_channel_map = conf->default_channel_map;
c->default_n_fragments = conf->default_n_fragments;
c->default_fragment_size_msec = conf->default_fragment_size_msec;
c->deferred_volume_safety_margin_usec = conf->deferred_volume_safety_margin_usec;
c->deferred_volume_extra_delay_usec = conf->deferred_volume_extra_delay_usec;
c->exit_idle_time = conf->exit_idle_time;
c->scache_idle_time = conf->scache_idle_time;
c->resample_method = conf->resample_method;
c->realtime_priority = conf->realtime_priority;
c->realtime_scheduling = !!conf->realtime_scheduling;
c->disable_remixing = !!conf->disable_remixing;
c->disable_lfe_remixing = !!conf->disable_lfe_remixing;
c->deferred_volume = !!conf->deferred_volume;
c->running_as_daemon = !!conf->daemonize;
c->disallow_exit = conf->disallow_exit;
c->flat_volumes = conf->flat_volumes;
#ifdef HAVE_DBUS
c->server_type = conf->local_server_type;
#endif
c->cpu_info.cpu_type = PA_CPU_UNDEFINED;
if (!getenv("PULSE_NO_SIMD")) {
if (pa_cpu_init_x86(&(c->cpu_info.flags.x86)))
c->cpu_info.cpu_type = PA_CPU_X86;
if (pa_cpu_init_arm(&(c->cpu_info.flags.arm)))
c->cpu_info.cpu_type = PA_CPU_ARM;
pa_cpu_init_orc(c->cpu_info);
}
pa_assert_se(pa_signal_init(pa_mainloop_get_api(mainloop)) == 0);
pa_signal_new(SIGINT, signal_callback, c);
pa_signal_new(SIGTERM, signal_callback, c);
#ifdef SIGUSR1
pa_signal_new(SIGUSR1, signal_callback, c);
#endif
#ifdef SIGUSR2
pa_signal_new(SIGUSR2, signal_callback, c);
#endif
#ifdef SIGHUP
pa_signal_new(SIGHUP, signal_callback, c);
#endif
#ifdef OS_IS_WIN32
win32_timer = pa_mainloop_get_api(mainloop)->time_new(pa_mainloop_get_api(mainloop), pa_gettimeofday(&win32_tv), message_cb, NULL);
#endif
if (!conf->no_cpu_limit)
pa_assert_se(pa_cpu_limit_init(pa_mainloop_get_api(mainloop)) == 0);
buf = pa_strbuf_new();
#ifdef HAVE_DBUS
pa_assert_se(dbus_threads_init_default());
if (start_server) {
#endif
if (conf->load_default_script_file) {
FILE *f;
if ((f = pa_daemon_conf_open_default_script_file(conf))) {
r = pa_cli_command_execute_file_stream(c, f, buf, &conf->fail);
fclose(f);
}
}
if (r >= 0)
r = pa_cli_command_execute(c, conf->script_commands, buf, &conf->fail);
pa_log_error("%s", s = pa_strbuf_tostring_free(buf));
pa_xfree(s);
if (r < 0 && conf->fail) {
pa_log(_("Failed to initialize daemon."));
goto finish;
}
if (!c->modules || pa_idxset_size(c->modules) == 0) {
pa_log(_("Daemon startup without any loaded modules, refusing to work."));
goto finish;
}
#ifdef HAVE_DBUS
} else {
/* When we just provide the D-Bus server lookup service, we don't want
* any modules to be loaded. We haven't loaded any so far, so one might
* think there's no way to contact the server, but receiving certain
* signals could still cause modules to load. */
conf->disallow_module_loading = TRUE;
}
#endif
/* We completed the initial module loading, so let's disable it
* from now on, if requested */
c->disallow_module_loading = !!conf->disallow_module_loading;
#ifdef HAVE_DBUS
if (!conf->system_instance) {
if ((server_lookup = pa_dbusobj_server_lookup_new(c))) {
if (!(lookup_service_bus = register_dbus_name(c, DBUS_BUS_SESSION, "org.PulseAudio1")))
goto finish;
}
}
if (start_server)
server_bus = register_dbus_name(c, conf->system_instance ? DBUS_BUS_SYSTEM : DBUS_BUS_SESSION, "org.pulseaudio.Server");
#endif
#ifdef HAVE_FORK
if (daemon_pipe2[1] >= 0) {
int ok = 0;
pa_loop_write(daemon_pipe2[1], &ok, sizeof(ok), NULL);
pa_close(daemon_pipe2[1]);
daemon_pipe2[1] = -1;
}
#endif
pa_log_info(_("Daemon startup complete."));
retval = 0;
if (pa_mainloop_run(mainloop, &retval) < 0)
goto finish;
pa_log_info(_("Daemon shutdown initiated."));
finish:
#ifdef HAVE_DBUS
if (server_bus)
pa_dbus_connection_unref(server_bus);
if (lookup_service_bus)
pa_dbus_connection_unref(lookup_service_bus);
if (server_lookup)
pa_dbusobj_server_lookup_free(server_lookup);
#endif
if (autospawn_fd >= 0) {
if (autospawn_locked)
pa_autospawn_lock_release();
pa_autospawn_lock_done(FALSE);
}
#ifdef OS_IS_WIN32
if (mainloop && win32_timer)
pa_mainloop_get_api(mainloop)->time_free(win32_timer);
#endif
if (c) {
/* Ensure all the modules/samples are unloaded when the core is still ref'ed,
* as unlink callback hooks in modules may need the core to be ref'ed */
pa_module_unload_all(c);
pa_scache_free_all(c);
pa_core_unref(c);
pa_log_info(_("Daemon terminated."));
}
if (!conf->no_cpu_limit)
pa_cpu_limit_done();
pa_signal_done();
#ifdef HAVE_FORK
/* If we have daemon_pipe[1] still open, this means we've failed after
* the first fork, but before the second. Therefore just write to it. */
if (daemon_pipe[1] >= 0)
pa_loop_write(daemon_pipe[1], &retval, sizeof(retval), NULL);
else if (daemon_pipe2[1] >= 0)
pa_loop_write(daemon_pipe2[1], &retval, sizeof(retval), NULL);
pa_close_pipe(daemon_pipe2);
pa_close_pipe(daemon_pipe);
#endif
if (mainloop)
pa_mainloop_free(mainloop);
if (conf)
pa_daemon_conf_free(conf);
if (valid_pid_file)
pa_pid_file_remove();
/* This has no real purpose except making things valgrind-clean */
pa_unset_env_recorded();
#ifdef OS_IS_WIN32
WSACleanup();
#endif
if (ltdl_init)
pa_ltdl_done();
#ifdef HAVE_DBUS
dbus_shutdown();
#endif
return retval;
}
char *pa_sink_input_list_to_string(pa_core *c) {
pa_strbuf *s;
pa_sink_input *i;
uint32_t idx = PA_IDXSET_INVALID;
static const char* const state_table[] = {
[PA_SINK_INPUT_INIT] = "INIT",
[PA_SINK_INPUT_RUNNING] = "RUNNING",
[PA_SINK_INPUT_DRAINED] = "DRAINED",
[PA_SINK_INPUT_CORKED] = "CORKED",
[PA_SINK_INPUT_UNLINKED] = "UNLINKED"
};
pa_assert(c);
s = pa_strbuf_new();
pa_strbuf_printf(s, "%u sink input(s) available.\n", pa_idxset_size(c->sink_inputs));
for (i = pa_idxset_first(c->sink_inputs, &idx); i; i = pa_idxset_next(c->sink_inputs, &idx)) {
char ss[PA_SAMPLE_SPEC_SNPRINT_MAX], cvdb[PA_SW_CVOLUME_SNPRINT_DB_MAX], cv[PA_CVOLUME_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX], *t, clt[28];
pa_usec_t cl;
const char *cmn;
pa_cvolume v;
char *volume_str = NULL;
cmn = pa_channel_map_to_pretty_name(&i->channel_map);
if ((cl = pa_sink_input_get_requested_latency(i)) == (pa_usec_t) -1)
pa_snprintf(clt, sizeof(clt), "n/a");
else
pa_snprintf(clt, sizeof(clt), "%0.2f ms", (double) cl / PA_USEC_PER_MSEC);
pa_assert(i->sink);
if (pa_sink_input_is_volume_readable(i)) {
pa_sink_input_get_volume(i, &v, TRUE);
volume_str = pa_sprintf_malloc("%s\n\t %s\n\t balance %0.2f",
pa_cvolume_snprint(cv, sizeof(cv), &v),
pa_sw_cvolume_snprint_dB(cvdb, sizeof(cvdb), &v),
pa_cvolume_get_balance(&v, &i->channel_map));
} else
volume_str = pa_xstrdup("n/a");
pa_strbuf_printf(
s,
" index: %u\n"
"\tdriver: <%s>\n"
"\tflags: %s%s%s%s%s%s%s%s%s%s%s\n"
"\tstate: %s\n"
"\tsink: %u <%s>\n"
"\tvolume: %s\n"
"\tmuted: %s\n"
"\tcurrent latency: %0.2f ms\n"
"\trequested latency: %s\n"
"\tsample spec: %s\n"
"\tchannel map: %s%s%s\n"
"\tresample method: %s\n",
i->index,
i->driver,
i->flags & PA_SINK_INPUT_VARIABLE_RATE ? "VARIABLE_RATE " : "",
i->flags & PA_SINK_INPUT_DONT_MOVE ? "DONT_MOVE " : "",
i->flags & PA_SINK_INPUT_START_CORKED ? "START_CORKED " : "",
i->flags & PA_SINK_INPUT_NO_REMAP ? "NO_REMAP " : "",
i->flags & PA_SINK_INPUT_NO_REMIX ? "NO_REMIX " : "",
i->flags & PA_SINK_INPUT_FIX_FORMAT ? "FIX_FORMAT " : "",
i->flags & PA_SINK_INPUT_FIX_RATE ? "FIX_RATE " : "",
i->flags & PA_SINK_INPUT_FIX_CHANNELS ? "FIX_CHANNELS " : "",
i->flags & PA_SINK_INPUT_DONT_INHIBIT_AUTO_SUSPEND ? "DONT_INHIBIT_AUTO_SUSPEND " : "",
i->flags & PA_SINK_INPUT_NO_CREATE_ON_SUSPEND ? "NO_CREATE_SUSPEND " : "",
i->flags & PA_SINK_INPUT_KILL_ON_SUSPEND ? "KILL_ON_SUSPEND " : "",
state_table[pa_sink_input_get_state(i)],
i->sink->index, i->sink->name,
volume_str,
pa_yes_no(pa_sink_input_get_mute(i)),
(double) pa_sink_input_get_latency(i, NULL) / PA_USEC_PER_MSEC,
clt,
pa_sample_spec_snprint(ss, sizeof(ss), &i->sample_spec),
pa_channel_map_snprint(cm, sizeof(cm), &i->channel_map),
cmn ? "\n\t " : "",
cmn ? cmn : "",
pa_resample_method_to_string(pa_sink_input_get_resample_method(i)));
pa_xfree(volume_str);
if (i->module)
pa_strbuf_printf(s, "\tmodule: %u\n", i->module->index);
if (i->client)
pa_strbuf_printf(s, "\tclient: %u <%s>\n", i->client->index, pa_strnull(pa_proplist_gets(i->client->proplist, PA_PROP_APPLICATION_NAME)));
t = pa_proplist_to_string_sep(i->proplist, "\n\t\t");
pa_strbuf_printf(s, "\tproperties:\n\t\t%s\n", t);
pa_xfree(t);
}
return pa_strbuf_tostring_free(s);
}
char *pa_source_output_list_to_string(pa_core *c) {
pa_strbuf *s;
pa_source_output *o;
uint32_t idx = PA_IDXSET_INVALID;
static const char* const state_table[] = {
[PA_SOURCE_OUTPUT_INIT] = "INIT",
[PA_SOURCE_OUTPUT_RUNNING] = "RUNNING",
[PA_SOURCE_OUTPUT_CORKED] = "CORKED",
[PA_SOURCE_OUTPUT_UNLINKED] = "UNLINKED"
};
pa_assert(c);
s = pa_strbuf_new();
pa_strbuf_printf(s, "%u source outputs(s) available.\n", pa_idxset_size(c->source_outputs));
for (o = pa_idxset_first(c->source_outputs, &idx); o; o = pa_idxset_next(c->source_outputs, &idx)) {
char ss[PA_SAMPLE_SPEC_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX], *t, clt[28];
pa_usec_t cl;
const char *cmn;
cmn = pa_channel_map_to_pretty_name(&o->channel_map);
if ((cl = pa_source_output_get_requested_latency(o)) == (pa_usec_t) -1)
pa_snprintf(clt, sizeof(clt), "n/a");
else
pa_snprintf(clt, sizeof(clt), "%0.2f ms", (double) cl / PA_USEC_PER_MSEC);
pa_assert(o->source);
pa_strbuf_printf(
s,
" index: %u\n"
"\tdriver: <%s>\n"
"\tflags: %s%s%s%s%s%s%s%s%s%s%s\n"
"\tstate: %s\n"
"\tsource: %u <%s>\n"
"\tcurrent latency: %0.2f ms\n"
"\trequested latency: %s\n"
"\tsample spec: %s\n"
"\tchannel map: %s%s%s\n"
"\tresample method: %s\n",
o->index,
o->driver,
o->flags & PA_SOURCE_OUTPUT_VARIABLE_RATE ? "VARIABLE_RATE " : "",
o->flags & PA_SOURCE_OUTPUT_DONT_MOVE ? "DONT_MOVE " : "",
o->flags & PA_SOURCE_OUTPUT_START_CORKED ? "START_CORKED " : "",
o->flags & PA_SOURCE_OUTPUT_NO_REMAP ? "NO_REMAP " : "",
o->flags & PA_SOURCE_OUTPUT_NO_REMIX ? "NO_REMIX " : "",
o->flags & PA_SOURCE_OUTPUT_FIX_FORMAT ? "FIX_FORMAT " : "",
o->flags & PA_SOURCE_OUTPUT_FIX_RATE ? "FIX_RATE " : "",
o->flags & PA_SOURCE_OUTPUT_FIX_CHANNELS ? "FIX_CHANNELS " : "",
o->flags & PA_SOURCE_OUTPUT_DONT_INHIBIT_AUTO_SUSPEND ? "DONT_INHIBIT_AUTO_SUSPEND " : "",
o->flags & PA_SOURCE_OUTPUT_NO_CREATE_ON_SUSPEND ? "NO_CREATE_ON_SUSPEND " : "",
o->flags & PA_SOURCE_OUTPUT_KILL_ON_SUSPEND ? "KILL_ON_SUSPEND " : "",
state_table[pa_source_output_get_state(o)],
o->source->index, o->source->name,
(double) pa_source_output_get_latency(o, NULL) / PA_USEC_PER_MSEC,
clt,
pa_sample_spec_snprint(ss, sizeof(ss), &o->sample_spec),
pa_channel_map_snprint(cm, sizeof(cm), &o->channel_map),
cmn ? "\n\t " : "",
cmn ? cmn : "",
pa_resample_method_to_string(pa_source_output_get_resample_method(o)));
if (o->module)
pa_strbuf_printf(s, "\towner module: %u\n", o->module->index);
if (o->client)
pa_strbuf_printf(s, "\tclient: %u <%s>\n", o->client->index, pa_strnull(pa_proplist_gets(o->client->proplist, PA_PROP_APPLICATION_NAME)));
if (o->direct_on_input)
pa_strbuf_printf(s, "\tdirect on input: %u\n", o->direct_on_input->index);
t = pa_proplist_to_string_sep(o->proplist, "\n\t\t");
pa_strbuf_printf(s, "\tproperties:\n\t\t%s\n", t);
pa_xfree(t);
}
return pa_strbuf_tostring_free(s);
}
void
voice_sink_proplist_update(struct userdata *u, pa_sink *s)
{
pa_sink *master_sink;
const char *mode;
const char *accessory_hwid;
pa_proplist *p;
char *hash_str;
unsigned int hash;
const char *file;
char fname[256];
size_t nbytes;
const void *data;
master_sink = voice_get_original_master_sink(u);
ENTER();
if (!master_sink)
{
pa_log_warn("Original master sink not found, parameters not loaded.");
return;
}
if (!pa_proplist_get(s->proplist, "x-maemo.aep.trace-func", &data, &nbytes))
memcpy(&u->trace_func, data, sizeof(u->trace_func));
mode = pa_proplist_gets(s->proplist, PA_NOKIA_PROP_AUDIO_MODE);
accessory_hwid = pa_proplist_gets(s->proplist,
PA_NOKIA_PROP_AUDIO_ACCESSORY_HWID);
if (!accessory_hwid || !mode)
return;
if (master_sink != s)
{
p = pa_proplist_new();
pa_proplist_sets(p, PA_NOKIA_PROP_AUDIO_MODE, mode);
pa_proplist_sets(p, PA_NOKIA_PROP_AUDIO_ACCESSORY_HWID, accessory_hwid);
pa_proplist_update(master_sink->proplist, PA_UPDATE_REPLACE, p);
pa_proplist_free(p);
}
hash_str = pa_sprintf_malloc("%s%s", mode, accessory_hwid);
hash = pa_idxset_string_hash_func(hash_str);
pa_xfree(hash_str);
if (hash == u->mode_accessory_hwid_hash &&
!voice_pa_proplist_get_bool(master_sink->proplist, "x-maemo.tuning"))
return;
u->mode_accessory_hwid_hash = hash;
file = pa_proplist_gets(master_sink->proplist, "x-maemo.file");
if (!file)
file = "/var/lib/pulse-nokia/%s%s.parameters";
pa_snprintf(fname, sizeof(fname), file, mode);
pa_log_debug("Loading tuning parameters from file: %s",fname);
p = pa_nokia_proplist_from_file(fname);
if (!pa_proplist_contains(p, "x-maemo.aep") )
{
pa_log_warn("Parameter file not valid: %s", fname);
pa_proplist_free(p);
return;
}
u->btmono = FALSE;
if (!strcmp(mode, "ihf"))
aep_runtime_switch[3] = 'i';
else if (!strcmp(mode, "hs"))
aep_runtime_switch[3] = 't';
else if (!strcmp(mode, "btmono"))
{
aep_runtime_switch[3] = 't';
u->btmono = TRUE;
}
else if (!strcmp(mode, "hp"))
aep_runtime_switch[3] = 'p';
else if (!strcmp(mode, "lineout"))
aep_runtime_switch[3] = 'f';
else
aep_runtime_switch[3] = 't';
if (master_sink == s)
pa_proplist_update(master_sink->proplist, PA_UPDATE_REPLACE, p);
else
pa_sink_update_proplist(master_sink, PA_UPDATE_REPLACE, p);
pa_proplist_free(p);
voice_update_parameters(u);
return;
}
