char *pa_sink_list_to_string(pa_core *c) {
pa_strbuf *s;
pa_sink *sink;
uint32_t idx = PA_IDXSET_INVALID;
static const char* const state_table[] = {
[PA_SINK_RUNNING] = "RUNNING",
[PA_SINK_SUSPENDED] = "SUSPENDED",
[PA_SINK_IDLE] = "IDLE",
[PA_SINK_UNLINKED] = "UNLINKED"
};
pa_assert(c);
s = pa_strbuf_new();
pa_strbuf_printf(s, "%u sink(s) available.\n", pa_idxset_size(c->sinks));
for (sink = pa_idxset_first(c->sinks, &idx); sink; sink = pa_idxset_next(c->sinks, &idx)) {
char ss[PA_SAMPLE_SPEC_SNPRINT_MAX], cv[PA_CVOLUME_SNPRINT_MAX], cm[PA_CHANNEL_MAP_SNPRINT_MAX];
pa_strbuf_printf(
s,
" %c index: %u\n"
"\tname: <%s>\n"
"\tdriver: <%s>\n"
"\tflags: %s%s%s%s\n"
"\tstate: %s\n"
"\tvolume: <%s>\n"
"\tmute: <%i>\n"
"\tlatency: <%0.0f usec>\n"
"\tmonitor source: <%u>\n"
"\tsample spec: <%s>\n"
"\tchannel map: <%s>\n"
"\tused by: <%u>\n"
"\tlinked by: <%u>\n",
c->default_sink_name && !strcmp(sink->name, c->default_sink_name) ? '*' : ' ',
sink->index,
sink->name,
sink->driver,
sink->flags & PA_SINK_HW_VOLUME_CTRL ? "HW_VOLUME_CTRL " : "",
sink->flags & PA_SINK_LATENCY ? "LATENCY " : "",
sink->flags & PA_SINK_HARDWARE ? "HARDWARE " : "",
sink->flags & PA_SINK_NETWORK ? "NETWORK " : "",
state_table[pa_sink_get_state(sink)],
pa_cvolume_snprint(cv, sizeof(cv), pa_sink_get_volume(sink)),
!!pa_sink_get_mute(sink),
(double) pa_sink_get_latency(sink),
sink->monitor_source ? sink->monitor_source->index : PA_INVALID_INDEX,
pa_sample_spec_snprint(ss, sizeof(ss), &sink->sample_spec),
pa_channel_map_snprint(cm, sizeof(cm), &sink->channel_map),
pa_sink_used_by(sink),
pa_sink_linked_by(sink));
if (sink->module)
pa_strbuf_printf(s, "\tmodule: <%u>\n", sink->module->index);
if (sink->description)
pa_strbuf_printf(s, "\tdescription: <%s>\n", sink->description);
}
return pa_strbuf_tostring_free(s);
}
static void sig_callback(pa_mainloop_api *api, pa_signal_event*e, int sig, void *userdata) {
struct userdata *u = userdata;
assert(u);
if (u->sink) {
pa_sink_get_volume(u->sink);
pa_sink_get_mute(u->sink);
}
if (u->source)
pa_source_get_volume(u->source);
}
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 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);
}
char *pa_sink_list_to_string(pa_core *c) {
pa_strbuf *s;
pa_sink *sink;
uint32_t idx = PA_IDXSET_INVALID;
pa_assert(c);
s = pa_strbuf_new();
pa_strbuf_printf(s, "%u sink(s) available.\n", pa_idxset_size(c->sinks));
for (sink = pa_idxset_first(c->sinks, &idx); sink; sink = pa_idxset_next(c->sinks, &idx)) {
char ss[PA_SAMPLE_SPEC_SNPRINT_MAX],
cv[PA_CVOLUME_SNPRINT_MAX],
cvdb[PA_SW_CVOLUME_SNPRINT_DB_MAX],
v[PA_VOLUME_SNPRINT_MAX],
vdb[PA_SW_VOLUME_SNPRINT_DB_MAX],
cm[PA_CHANNEL_MAP_SNPRINT_MAX], *t;
const char *cmn;
cmn = pa_channel_map_to_pretty_name(&sink->channel_map);
pa_strbuf_printf(
s,
" %c index: %u\n"
"\tname: <%s>\n"
"\tdriver: <%s>\n"
"\tflags: %s%s%s%s%s%s%s%s\n"
"\tstate: %s\n"
"\tsuspend cause: %s%s%s%s\n"
"\tpriority: %u\n"
"\tvolume: %s%s%s\n"
"\t balance %0.2f\n"
"\tbase volume: %s%s%s\n"
"\tvolume steps: %u\n"
"\tmuted: %s\n"
"\tcurrent latency: %0.2f ms\n"
"\tmax request: %lu KiB\n"
"\tmax rewind: %lu KiB\n"
"\tmonitor source: %u\n"
"\tsample spec: %s\n"
"\tchannel map: %s%s%s\n"
"\tused by: %u\n"
"\tlinked by: %u\n",
sink == c->default_sink ? '*' : ' ',
sink->index,
sink->name,
sink->driver,
sink->flags & PA_SINK_HARDWARE ? "HARDWARE " : "",
sink->flags & PA_SINK_NETWORK ? "NETWORK " : "",
sink->flags & PA_SINK_HW_MUTE_CTRL ? "HW_MUTE_CTRL " : "",
sink->flags & PA_SINK_HW_VOLUME_CTRL ? "HW_VOLUME_CTRL " : "",
sink->flags & PA_SINK_DECIBEL_VOLUME ? "DECIBEL_VOLUME " : "",
sink->flags & PA_SINK_LATENCY ? "LATENCY " : "",
sink->flags & PA_SINK_FLAT_VOLUME ? "FLAT_VOLUME " : "",
sink->flags & PA_SINK_DYNAMIC_LATENCY ? "DYNAMIC_LATENCY" : "",
sink_state_to_string(pa_sink_get_state(sink)),
sink->suspend_cause & PA_SUSPEND_USER ? "USER " : "",
sink->suspend_cause & PA_SUSPEND_APPLICATION ? "APPLICATION " : "",
sink->suspend_cause & PA_SUSPEND_IDLE ? "IDLE " : "",
sink->suspend_cause & PA_SUSPEND_SESSION ? "SESSION" : "",
sink->priority,
pa_cvolume_snprint(cv, sizeof(cv), pa_sink_get_volume(sink, FALSE)),
sink->flags & PA_SINK_DECIBEL_VOLUME ? "\n\t " : "",
sink->flags & PA_SINK_DECIBEL_VOLUME ? pa_sw_cvolume_snprint_dB(cvdb, sizeof(cvdb), pa_sink_get_volume(sink, FALSE)) : "",
pa_cvolume_get_balance(pa_sink_get_volume(sink, FALSE), &sink->channel_map),
pa_volume_snprint(v, sizeof(v), sink->base_volume),
sink->flags & PA_SINK_DECIBEL_VOLUME ? "\n\t " : "",
sink->flags & PA_SINK_DECIBEL_VOLUME ? pa_sw_volume_snprint_dB(vdb, sizeof(vdb), sink->base_volume) : "",
sink->n_volume_steps,
pa_yes_no(pa_sink_get_mute(sink, FALSE)),
(double) pa_sink_get_latency(sink) / (double) PA_USEC_PER_MSEC,
(unsigned long) pa_sink_get_max_request(sink) / 1024,
(unsigned long) pa_sink_get_max_rewind(sink) / 1024,
sink->monitor_source ? sink->monitor_source->index : PA_INVALID_INDEX,
pa_sample_spec_snprint(ss, sizeof(ss), &sink->sample_spec),
pa_channel_map_snprint(cm, sizeof(cm), &sink->channel_map),
cmn ? "\n\t " : "",
cmn ? cmn : "",
pa_sink_used_by(sink),
pa_sink_linked_by(sink));
if (sink->flags & PA_SINK_DYNAMIC_LATENCY) {
pa_usec_t min_latency, max_latency;
pa_sink_get_latency_range(sink, &min_latency, &max_latency);
pa_strbuf_printf(
s,
"\tconfigured latency: %0.2f ms; range is %0.2f .. %0.2f ms\n",
(double) pa_sink_get_requested_latency(sink) / (double) PA_USEC_PER_MSEC,
(double) min_latency / PA_USEC_PER_MSEC,
(double) max_latency / PA_USEC_PER_MSEC);
} else
pa_strbuf_printf(
s,
"\tfixed latency: %0.2f ms\n",
(double) pa_sink_get_fixed_latency(sink) / PA_USEC_PER_MSEC);
if (sink->card)
pa_strbuf_printf(s, "\tcard: %u <%s>\n", sink->card->index, sink->card->name);
if (sink->module)
pa_strbuf_printf(s, "\tmodule: %u\n", sink->module->index);
t = pa_proplist_to_string_sep(sink->proplist, "\n\t\t");
pa_strbuf_printf(s, "\tproperties:\n\t\t%s\n", t);
pa_xfree(t);
append_port_list(s, sink->ports);
if (sink->active_port)
pa_strbuf_printf(
s,
"\tactive port: <%s>\n",
sink->active_port->name);
}
return pa_strbuf_tostring_free(s);
}
static void subscribe_callback(pa_core *c, pa_subscription_event_type_t t, uint32_t idx, void *userdata) {
struct userdata *u = userdata;
struct entry entry, *old;
char *name;
pa_datum key, data;
pa_assert(c);
pa_assert(u);
if (t != (PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_NEW) &&
t != (PA_SUBSCRIPTION_EVENT_SINK|PA_SUBSCRIPTION_EVENT_CHANGE) &&
t != (PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_NEW) &&
t != (PA_SUBSCRIPTION_EVENT_SOURCE|PA_SUBSCRIPTION_EVENT_CHANGE))
return;
pa_zero(entry);
entry.version = ENTRY_VERSION;
if ((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SINK) {
pa_sink *sink;
if (!(sink = pa_idxset_get_by_index(c->sinks, idx)))
return;
name = pa_sprintf_malloc("sink:%s", sink->name);
if ((old = read_entry(u, name)))
entry = *old;
if (sink->save_volume) {
entry.channel_map = sink->channel_map;
entry.volume = *pa_sink_get_volume(sink, FALSE);
entry.volume_valid = TRUE;
}
if (sink->save_muted) {
entry.muted = pa_sink_get_mute(sink, FALSE);
entry.muted_valid = TRUE;
}
if (sink->save_port) {
pa_strlcpy(entry.port, sink->active_port ? sink->active_port->name : "", sizeof(entry.port));
entry.port_valid = TRUE;
}
} else {
pa_source *source;
pa_assert((t & PA_SUBSCRIPTION_EVENT_FACILITY_MASK) == PA_SUBSCRIPTION_EVENT_SOURCE);
if (!(source = pa_idxset_get_by_index(c->sources, idx)))
return;
name = pa_sprintf_malloc("source:%s", source->name);
if ((old = read_entry(u, name)))
entry = *old;
if (source->save_volume) {
entry.channel_map = source->channel_map;
entry.volume = *pa_source_get_volume(source, FALSE);
entry.volume_valid = TRUE;
}
if (source->save_muted) {
entry.muted = pa_source_get_mute(source, FALSE);
entry.muted_valid = TRUE;
}
if (source->save_port) {
pa_strlcpy(entry.port, source->active_port ? source->active_port->name : "", sizeof(entry.port));
entry.port_valid = TRUE;
}
}
if (old) {
if (entries_equal(old, &entry)) {
pa_xfree(old);
pa_xfree(name);
return;
}
pa_xfree(old);
}
key.data = name;
key.size = strlen(name);
data.data = &entry;
data.size = sizeof(entry);
pa_log_info("Storing volume/mute/port for device %s.", name);
pa_database_set(u->database, &key, &data, TRUE);
pa_xfree(name);
trigger_save(u);
}
