mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-05 13:29:57 -05:00
5effc83479
FSF addresses used in PA sources are no longer valid and rpmlint generates numerous warnings during packaging because of this. This patch changes all FSF addresses to FSF web page according to the GPL how-to: https://www.gnu.org/licenses/gpl-howto.en.html Done automatically by sed-ing through sources.
246 lines
6.6 KiB
C
246 lines
6.6 KiB
C
/***
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This file is part of PulseAudio.
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Copyright 2005-2006 Lennart Poettering
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of the License,
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or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#include <lirc/lirc_client.h>
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#include <pulse/xmalloc.h>
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#include <pulsecore/module.h>
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#include <pulsecore/log.h>
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#include <pulsecore/namereg.h>
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#include <pulsecore/sink.h>
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#include <pulsecore/modargs.h>
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#include <pulsecore/macro.h>
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#include "module-lirc-symdef.h"
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PA_MODULE_AUTHOR("Lennart Poettering");
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PA_MODULE_DESCRIPTION("LIRC volume control");
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PA_MODULE_VERSION(PACKAGE_VERSION);
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PA_MODULE_LOAD_ONCE(true);
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PA_MODULE_USAGE("config=<config file> sink=<sink name> appname=<lirc application name> volume_limit=<volume limit> volume_step=<volume change step>");
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static const char* const valid_modargs[] = {
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"config",
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"sink",
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"appname",
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"volume_limit",
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"volume_step",
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NULL,
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};
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struct userdata {
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int lirc_fd;
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pa_io_event *io;
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struct lirc_config *config;
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char *sink_name;
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pa_module *module;
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float mute_toggle_save;
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pa_volume_t volume_limit;
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pa_volume_t volume_step;
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};
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static void io_callback(pa_mainloop_api *io, pa_io_event *e, int fd, pa_io_event_flags_t events, void*userdata) {
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struct userdata *u = userdata;
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char *name = NULL, *code = NULL;
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pa_assert(io);
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pa_assert(u);
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if (events & (PA_IO_EVENT_HANGUP|PA_IO_EVENT_ERROR)) {
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pa_log("Lost connection to LIRC daemon.");
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goto fail;
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}
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if (events & PA_IO_EVENT_INPUT) {
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char *c;
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if (lirc_nextcode(&code) != 0 || !code) {
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pa_log("lirc_nextcode() failed.");
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goto fail;
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}
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c = pa_xstrdup(code);
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c[strcspn(c, "\n\r")] = 0;
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pa_log_debug("Raw IR code '%s'", c);
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pa_xfree(c);
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while (lirc_code2char(u->config, code, &name) == 0 && name) {
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enum {
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INVALID,
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UP,
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DOWN,
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MUTE,
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RESET,
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MUTE_TOGGLE
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} volchange = INVALID;
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pa_log_info("Translated IR code '%s'", name);
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if (strcasecmp(name, "volume-up") == 0)
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volchange = UP;
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else if (strcasecmp(name, "volume-down") == 0)
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volchange = DOWN;
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else if (strcasecmp(name, "mute") == 0)
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volchange = MUTE;
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else if (strcasecmp(name, "mute-toggle") == 0)
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volchange = MUTE_TOGGLE;
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else if (strcasecmp(name, "reset") == 0)
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volchange = RESET;
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if (volchange == INVALID)
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pa_log_warn("Received unknown IR code '%s'", name);
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else {
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pa_sink *s;
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if (!(s = pa_namereg_get(u->module->core, u->sink_name, PA_NAMEREG_SINK)))
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pa_log("Failed to get sink '%s'", u->sink_name);
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else {
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pa_cvolume cv = *pa_sink_get_volume(s, false);
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switch (volchange) {
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case UP:
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pa_cvolume_inc_clamp(&cv, u->volume_step, u->volume_limit);
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pa_sink_set_volume(s, &cv, true, true);
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break;
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case DOWN:
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pa_cvolume_dec(&cv, u->volume_step);
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pa_sink_set_volume(s, &cv, true, true);
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break;
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case MUTE:
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pa_sink_set_mute(s, true, true);
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break;
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case RESET:
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pa_sink_set_mute(s, false, true);
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break;
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case MUTE_TOGGLE:
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pa_sink_set_mute(s, !pa_sink_get_mute(s, false), true);
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break;
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case INVALID:
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pa_assert_not_reached();
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}
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}
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}
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}
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}
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pa_xfree(code);
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return;
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fail:
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u->module->core->mainloop->io_free(u->io);
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u->io = NULL;
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pa_module_unload_request(u->module, true);
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pa_xfree(code);
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}
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int pa__init(pa_module*m) {
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pa_modargs *ma = NULL;
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struct userdata *u;
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pa_volume_t volume_limit = PA_CLAMP_VOLUME(PA_VOLUME_NORM*3/2);
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pa_volume_t volume_step = PA_VOLUME_NORM/20;
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pa_assert(m);
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if (!(ma = pa_modargs_new(m->argument, valid_modargs))) {
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pa_log("Failed to parse module arguments");
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goto fail;
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}
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if (pa_modargs_get_value_u32(ma, "volume_limit", &volume_limit) < 0) {
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pa_log("Failed to parse volume limit");
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goto fail;
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}
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if (pa_modargs_get_value_u32(ma, "volume_step", &volume_step) < 0) {
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pa_log("Failed to parse volume step");
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goto fail;
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}
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m->userdata = u = pa_xnew(struct userdata, 1);
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u->module = m;
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u->io = NULL;
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u->config = NULL;
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u->sink_name = pa_xstrdup(pa_modargs_get_value(ma, "sink", NULL));
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u->lirc_fd = -1;
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u->mute_toggle_save = 0;
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u->volume_limit = PA_CLAMP_VOLUME(volume_limit);
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u->volume_step = PA_CLAMP_VOLUME(volume_step);
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if ((u->lirc_fd = lirc_init((char*) pa_modargs_get_value(ma, "appname", "pulseaudio"), 1)) < 0) {
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pa_log("lirc_init() failed.");
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goto fail;
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}
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if (lirc_readconfig((char*) pa_modargs_get_value(ma, "config", NULL), &u->config, NULL) < 0) {
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pa_log("lirc_readconfig() failed.");
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goto fail;
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}
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u->io = m->core->mainloop->io_new(m->core->mainloop, u->lirc_fd, PA_IO_EVENT_INPUT|PA_IO_EVENT_HANGUP, io_callback, u);
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pa_modargs_free(ma);
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return 0;
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fail:
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if (ma)
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pa_modargs_free(ma);
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pa__done(m);
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return -1;
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}
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void pa__done(pa_module*m) {
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struct userdata *u;
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pa_assert(m);
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if (!(u = m->userdata))
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return;
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if (u->io)
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m->core->mainloop->io_free(u->io);
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if (u->config)
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lirc_freeconfig(u->config);
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if (u->lirc_fd >= 0)
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lirc_deinit();
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pa_xfree(u->sink_name);
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pa_xfree(u);
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}
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