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);
}
