static void client_callback(AvahiClient *c, AvahiClientState state, void *userdata) {
struct userdata *u = userdata;
pa_assert(c);
pa_assert(u);
u->client = c;
switch (state) {
case AVAHI_CLIENT_S_REGISTERING:
case AVAHI_CLIENT_S_RUNNING:
case AVAHI_CLIENT_S_COLLISION:
if (!u->sink_browser) {
if (!(u->sink_browser = avahi_service_browser_new(
c,
AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC,
SERVICE_TYPE_SINK,
NULL,
0,
browser_cb, u))) {
pa_log("avahi_service_browser_new() failed: %s", avahi_strerror(avahi_client_errno(c)));
pa_module_unload_request(u->module, true);
}
}
break;
case AVAHI_CLIENT_FAILURE:
if (avahi_client_errno(c) == AVAHI_ERR_DISCONNECTED) {
int error;
pa_log_debug("Avahi daemon disconnected.");
if (!(u->client = avahi_client_new(u->avahi_poll, AVAHI_CLIENT_NO_FAIL, client_callback, u, &error))) {
pa_log("avahi_client_new() failed: %s", avahi_strerror(error));
pa_module_unload_request(u->module, true);
}
}
/* Fall through */
case AVAHI_CLIENT_CONNECTING:
if (u->sink_browser) {
avahi_service_browser_free(u->sink_browser);
u->sink_browser = NULL;
}
break;
default: ;
}
}
int pa__init(pa_module*m) {
pa_modargs *ma = NULL;
int ret = -1;
int32_t fd = -1;
char x = 1;
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs)) ||
pa_modargs_get_value_s32(ma, "fd", &fd) < 0 ||
fd < 0) {
pa_log("Failed to parse module arguments");
goto finish;
}
if (pa_loop_write(fd, &x, sizeof(x), NULL) != sizeof(x))
pa_log_warn("write(%u, 1, 1) failed: %s", fd, pa_cstrerror(errno));
pa_assert_se(pa_close(fd) == 0);
pa_module_unload_request(m, true);
ret = 0;
finish:
if (ma)
pa_modargs_free(ma);
return ret;
}
int pa__init(pa_module*m) {
pa_modargs *ma = NULL;
int ret = -1;
uint32_t pid = 0;
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs)) ||
pa_modargs_get_value_u32(ma, "pid", &pid) < 0 ||
!pid) {
pa_log("Failed to parse module arguments");
goto finish;
}
if (kill((pid_t) pid, SIGUSR1) < 0)
pa_log_warn("kill(%u) failed: %s", pid, pa_cstrerror(errno));
pa_module_unload_request(m, true);
ret = 0;
finish:
if (ma)
pa_modargs_free(ma);
return ret;
}
static void eof_and_unload_cb(pa_cli*c, void *userdata) {
pa_module *m = userdata;
pa_assert(c);
pa_assert(m);
pa_module_unload_request(m, true);
}
void pa_module_unload_request_by_index(pa_core *c, uint32_t idx, pa_bool_t force) {
pa_module *m;
pa_assert(c);
if (!(m = pa_idxset_get_by_index(c->modules, idx)))
return;
pa_module_unload_request(m, force);
}
/* Called from main thread */
static void source_output_kill_cb(pa_source_output *o) {
struct userdata *u;
pa_source_output_assert_ref(o);
pa_assert_ctl_context();
pa_assert_se(u = o->userdata);
teardown(u);
pa_module_unload_request(u->module, TRUE);
}
/* Called from main thread */
static void sink_input_kill_cb(pa_sink_input *i) {
struct userdata *u;
pa_sink_input_assert_ref(i);
pa_assert_ctl_context();
pa_assert_se(u = i->userdata);
teardown(u);
pa_module_unload_request(u->module, TRUE);
}
/* Called from main context */
static void source_output_kill_cb(pa_source_output* o) {
struct userdata *u;
pa_source_output_assert_ref(o);
pa_assert_se(u = o->userdata);
pa_module_unload_request(u->module, true);
pa_source_output_unlink(u->source_output);
pa_source_output_unref(u->source_output);
u->source_output = NULL;
}
static void sink_input_kill_cb(pa_sink_input *i) {
struct userdata *u;
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
pa_sink_input_unlink(u->sink_input);
pa_sink_input_unref(u->sink_input);
u->sink_input = NULL;
pa_module_unload_request(u->module, true);
}
static void die_cb(SmcConn connection, SmPointer client_data) {
struct userdata *u = client_data;
pa_assert(u);
pa_log_debug("Got die message from XSMP.");
pa_x11_wrapper_kill(u->x11);
pa_x11_wrapper_unref(u->x11);
u->x11 = NULL;
pa_module_unload_request(u->module, TRUE);
}
static void io_callback(pa_iochannel *io, void*userdata) {
struct userdata *u = userdata;
pa_assert(u);
if (do_read(u) < 0 || do_write(u) < 0) {
if (u->io) {
pa_iochannel_free(u->io);
u->io = NULL;
}
pa_module_unload_request(u->module, TRUE);
}
}
int pa__init(pa_module*m) {
bool just_one = false;
int n = 0;
pa_modargs *ma;
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments");
goto fail;
}
if (pa_modargs_get_value_boolean(ma, "just-one", &just_one) < 0) {
pa_log("just_one= expects a boolean argument.");
goto fail;
}
#ifdef HAVE_ALSA
if ((n = detect_alsa(m->core, just_one)) <= 0)
#endif
#ifdef HAVE_OSS_OUTPUT
if ((n = detect_oss(m->core, just_one)) <= 0)
#endif
#ifdef HAVE_SOLARIS
if ((n = detect_solaris(m->core, just_one)) <= 0)
#endif
#ifdef OS_IS_WIN32
if ((n = detect_waveout(m->core, just_one)) <= 0)
#endif
{
pa_log_warn("failed to detect any sound hardware.");
goto fail;
}
pa_log_info("loaded %i modules.", n);
/* We were successful and can unload ourselves now. */
pa_module_unload_request(m, true);
pa_modargs_free(ma);
return 0;
fail:
if (ma)
pa_modargs_free(ma);
return -1;
}
/* Called from main context */
static void aep_sink_input_kill_cb(pa_sink_input *i) {
struct userdata *u;
pa_log_debug("Kill called");
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
/* FIXME: this is sort-of understandable with the may_move hack... we avoid abort in free() here */
u->aep_sink_input->thread_info.attached = FALSE;
pa_sink_input_unlink(u->aep_sink_input);
pa_sink_input_unref(u->aep_sink_input);
u->aep_sink_input = NULL;
pa_module_unload_request(u->module, TRUE);
}
static void x11_kill_cb(pa_x11_wrapper *w, void *userdata) {
struct userdata *u = userdata;
pa_assert(w);
pa_assert(u);
pa_assert(u->x11_wrapper == w);
if (u->x11_client)
pa_x11_client_free(u->x11_client);
if (u->x11_wrapper)
pa_x11_wrapper_unref(u->x11_wrapper);
u->x11_client = NULL;
u->x11_wrapper = NULL;
pa_module_unload_request(u->module, true);
}
static void on_connection(pa_socket_client *c, pa_iochannel*io, void *userdata) {
struct userdata *u = userdata;
pa_socket_client_unref(u->client);
u->client = NULL;
if (!io) {
pa_log("Connection failed: %s", pa_cstrerror(errno));
pa_module_unload_request(u->module, TRUE);
return;
}
pa_assert(!u->io);
u->io = io;
pa_iochannel_set_callback(u->io, io_callback, u);
pa_log_debug("Connection established, authenticating ...");
}
int pa__init(pa_module *m) {
struct userdata *u = NULL;
u = pa_xnew0(struct userdata, 1);
m->userdata = u;
u->mode_sink = pa_namereg_get(m->core, "sink.hw0", PA_NAMEREG_SINK);
if (!u->mode_sink) {
pa_log_error("sink.hw0 not found");
pa_xfree(u);
m->userdata = NULL;
return -1;
}
run_basic_tests(u);
run_modifier_tests(u);
pa_module_unload_request(m, TRUE);
return 0;
}
/* Called from main context */
static void sink_input_kill_cb(pa_sink_input *i) {
struct userdata *u;
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
/* The order here matters! We first kill the sink input, followed
* by the sink. That means the sink callbacks must be protected
* against an unconnected sink input! */
pa_sink_input_unlink(u->sink_input);
pa_sink_unlink(u->sink);
pa_sink_input_unref(u->sink_input);
u->sink_input = NULL;
pa_sink_unref(u->sink);
u->sink = NULL;
pa_module_unload_request(u->module, TRUE);
}
/* Called from main thread */
static void source_output_kill_cb(pa_source_output *o) {
struct userdata *u;
pa_source_output_assert_ref(o);
pa_assert_ctl_context();
pa_assert_se(u = o->userdata);
/* The order here matters! We first kill the source output, followed
* by the source. That means the source callbacks must be protected
* against an unconnected source output! */
pa_source_output_unlink(u->source_output);
pa_source_unlink(u->source);
pa_source_output_unref(u->source_output);
u->source_output = NULL;
pa_source_unref(u->source);
u->source = NULL;
pa_module_unload_request(u->module, true);
}
/* Called from main context */
static void sink_input_kill_cb(pa_sink_input *i) {
struct userdata *u;
pa_sink_input_assert_ref(i);
pa_assert_se(u = i->userdata);
/* The order here matters! We first kill the sink so that streams
* can properly be moved away while the sink input is still connected
* to the master. */
pa_sink_input_cork(u->sink_input, true);
pa_sink_unlink(u->sink);
pa_sink_input_unlink(u->sink_input);
pa_sink_input_unref(u->sink_input);
u->sink_input = NULL;
pa_sink_unref(u->sink);
u->sink = NULL;
pa_module_unload_request(u->module, true);
}
static void client_callback(AvahiClient *c, AvahiClientState state, void *userdata) {
struct userdata *u = userdata;
pa_assert(c);
pa_assert(u);
u->client = c;
switch (state) {
case AVAHI_CLIENT_S_RUNNING:
publish_all_services(u);
break;
case AVAHI_CLIENT_S_COLLISION:
pa_log_debug("Host name collision");
unpublish_all_services(u, FALSE);
break;
case AVAHI_CLIENT_FAILURE:
if (avahi_client_errno(c) == AVAHI_ERR_DISCONNECTED) {
int error;
pa_log_debug("Avahi daemon disconnected.");
unpublish_all_services(u, TRUE);
avahi_client_free(u->client);
if (!(u->client = avahi_client_new(u->avahi_poll, AVAHI_CLIENT_NO_FAIL, client_callback, u, &error))) {
pa_log("avahi_client_new() failed: %s", avahi_strerror(error));
pa_module_unload_request(u->module, TRUE);
}
}
break;
default: ;
}
}
int pa__init(pa_module*m) {
pa_modargs *ma = NULL;
bool restore_device = true, restore_volume = true;
pa_module *n;
char *t;
pa_assert(m);
if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
pa_log("Failed to parse module arguments");
goto fail;
}
if (pa_modargs_get_value_boolean(ma, "restore_device", &restore_device) < 0 ||
pa_modargs_get_value_boolean(ma, "restore_volume", &restore_volume) < 0) {
pa_log("restore_volume= and restore_device= expect boolean arguments");
goto fail;
}
pa_log_warn("We will now load module-stream-restore. Please make sure to remove module-volume-restore from your configuration.");
t = pa_sprintf_malloc("restore_volume=%s restore_device=%s", pa_yes_no(restore_volume), pa_yes_no(restore_device));
n = pa_module_load(m->core, "module-stream-restore", t);
pa_xfree(t);
if (n)
pa_module_unload_request(m, true);
pa_modargs_free(ma);
return n ? 0 : -1;
fail:
if (ma)
pa_modargs_free(ma);
return -1;
}
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);
}
}
}
static void io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_io_event_flags_t events, void*userdata) {
struct userdata *u = userdata;
char *name = NULL, *code = NULL;
pa_assert(io);
pa_assert(u);
if (events & (PA_IO_EVENT_HANGUP|PA_IO_EVENT_ERROR)) {
pa_log("Lost connection to LIRC daemon.");
goto fail;
}
if (events & PA_IO_EVENT_INPUT) {
char *c;
if (lirc_nextcode(&code) != 0 || !code) {
pa_log("lirc_nextcode() failed.");
goto fail;
}
c = pa_xstrdup(code);
c[strcspn(c, "\n\r")] = 0;
pa_log_debug("Raw IR code '%s'", c);
pa_xfree(c);
while (lirc_code2char(u->config, code, &name) == 0 && name) {
enum {
INVALID,
UP,
DOWN,
MUTE,
RESET,
MUTE_TOGGLE
} volchange = INVALID;
pa_log_info("Translated IR code '%s'", name);
if (strcasecmp(name, "volume-up") == 0)
volchange = UP;
else if (strcasecmp(name, "volume-down") == 0)
volchange = DOWN;
else if (strcasecmp(name, "mute") == 0)
volchange = MUTE;
else if (strcasecmp(name, "mute-toggle") == 0)
volchange = MUTE_TOGGLE;
else if (strcasecmp(name, "reset") == 0)
volchange = RESET;
if (volchange == INVALID)
pa_log_warn("Received unknown IR code '%s'", name);
else {
pa_sink *s;
if (!(s = pa_namereg_get(u->module->core, u->sink_name, PA_NAMEREG_SINK)))
pa_log("Failed to get sink '%s'", u->sink_name);
else {
pa_cvolume cv = *pa_sink_get_volume(s, FALSE);
switch (volchange) {
case UP:
pa_cvolume_inc_clamp(&cv, u->volume_step, u->volume_limit);
pa_sink_set_volume(s, &cv, TRUE, TRUE);
break;
case DOWN:
pa_cvolume_dec(&cv, u->volume_step);
pa_sink_set_volume(s, &cv, TRUE, TRUE);
break;
case MUTE:
pa_sink_set_mute(s, TRUE, TRUE);
break;
case RESET:
pa_sink_set_mute(s, FALSE, TRUE);
break;
case MUTE_TOGGLE:
pa_sink_set_mute(s, !pa_sink_get_mute(s, FALSE), TRUE);
break;
case INVALID:
pa_assert_not_reached();
}
}
}
}
}
pa_xfree(code);
return;
fail:
u->module->core->mainloop->io_free(u->io);
u->io = NULL;
pa_module_unload_request(u->module, TRUE);
pa_xfree(code);
}
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;
switch (code) {
case PA_SINK_MESSAGE_SET_STATE:
switch ((pa_sink_state_t) PA_PTR_TO_UINT(data)) {
case PA_SINK_SUSPENDED:
pa_assert(PA_SINK_IS_OPENED(u->sink->thread_info.state));
pa_smoother_pause(u->smoother, pa_rtclock_now());
/* Issue a FLUSH if we are connected */
if (u->fd >= 0) {
pa_raop_flush(u->raop);
}
break;
case PA_SINK_IDLE:
case PA_SINK_RUNNING:
if (u->sink->thread_info.state == PA_SINK_SUSPENDED) {
pa_smoother_resume(u->smoother, pa_rtclock_now(), true);
/* The connection can be closed when idle, so check to
see if we need to reestablish it */
if (u->fd < 0)
pa_raop_connect(u->raop);
else
pa_raop_flush(u->raop);
}
break;
case PA_SINK_UNLINKED:
case PA_SINK_INIT:
case PA_SINK_INVALID_STATE:
;
}
break;
case PA_SINK_MESSAGE_GET_LATENCY: {
pa_usec_t w, r;
r = pa_smoother_get(u->smoother, pa_rtclock_now());
w = pa_bytes_to_usec((u->offset - u->encoding_overhead + (u->encoded_memchunk.length / u->encoding_ratio)), &u->sink->sample_spec);
*((pa_usec_t*) data) = w > r ? w - r : 0;
return 0;
}
case SINK_MESSAGE_PASS_SOCKET: {
struct pollfd *pollfd;
pa_assert(!u->rtpoll_item);
u->rtpoll_item = pa_rtpoll_item_new(u->rtpoll, PA_RTPOLL_NEVER, 1);
pollfd = pa_rtpoll_item_get_pollfd(u->rtpoll_item, NULL);
pollfd->fd = u->fd;
pollfd->events = POLLOUT;
/*pollfd->events = */pollfd->revents = 0;
if (u->sink->thread_info.state == PA_SINK_SUSPENDED) {
/* Our stream has been suspended so we just flush it.... */
pa_raop_flush(u->raop);
}
return 0;
}
case SINK_MESSAGE_RIP_SOCKET: {
if (u->fd >= 0) {
pa_close(u->fd);
u->fd = -1;
} else
/* FIXME */
pa_log("We should not get to this state. Cannot rip socket if not connected.");
if (u->sink->thread_info.state == PA_SINK_SUSPENDED) {
pa_log_debug("RTSP control connection closed, but we're suspended so let's not worry about it... we'll open it again later");
if (u->rtpoll_item)
pa_rtpoll_item_free(u->rtpoll_item);
u->rtpoll_item = NULL;
} else {
/* Question: is this valid here: or should we do some sort of:
return pa_sink_process_msg(PA_MSGOBJECT(u->core), PA_CORE_MESSAGE_UNLOAD_MODULE, u->module, 0, NULL);
?? */
pa_module_unload_request(u->module, true);
}
return 0;
}
}
return pa_sink_process_msg(o, code, data, offset, chunk);
}
static void io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_io_event_flags_t events, void*userdata) {
struct userdata *u = userdata;
pa_assert(io);
pa_assert(u);
if (events & (PA_IO_EVENT_HANGUP|PA_IO_EVENT_ERROR)) {
pa_log("Lost connection to evdev device.");
goto fail;
}
if (events & PA_IO_EVENT_INPUT) {
struct input_event ev;
if (pa_loop_read(u->fd, &ev, sizeof(ev), &u->fd_type) <= 0) {
pa_log("Failed to read from event device: %s", pa_cstrerror(errno));
goto fail;
}
if (ev.type == EV_KEY && (ev.value == 1 || ev.value == 2)) {
enum {
INVALID,
UP,
DOWN,
MUTE_TOGGLE
} volchange = INVALID;
pa_log_debug("Key code=%u, value=%u", ev.code, ev.value);
switch (ev.code) {
case KEY_VOLUMEDOWN:
volchange = DOWN;
break;
case KEY_VOLUMEUP:
volchange = UP;
break;
case KEY_MUTE:
volchange = MUTE_TOGGLE;
break;
}
if (volchange != INVALID) {
pa_sink *s;
if (!(s = pa_namereg_get(u->module->core, u->sink_name, PA_NAMEREG_SINK)))
pa_log("Failed to get sink '%s'", u->sink_name);
else {
pa_cvolume cv = *pa_sink_get_volume(s, false);
switch (volchange) {
case UP:
pa_cvolume_inc_clamp(&cv, u->volume_step, u->volume_limit);
pa_sink_set_volume(s, &cv, true, true);
break;
case DOWN:
pa_cvolume_dec(&cv, u->volume_step);
pa_sink_set_volume(s, &cv, true, true);
break;
case MUTE_TOGGLE:
pa_sink_set_mute(s, !pa_sink_get_mute(s, false), true);
break;
case INVALID:
pa_assert_not_reached();
}
}
}
}
}
return;
fail:
u->module->core->mainloop->io_free(u->io);
u->io = NULL;
pa_module_unload_request(u->module, true);
}