2009-04-21 22:46:41 +02:00
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/*
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2011-01-29 10:13:54 +01:00
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* Copyright (C) 2003-2011 The Music Player Daemon Project
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2009-04-21 22:46:41 +02:00
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* http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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2009-11-12 09:12:38 +01:00
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#include "config.h"
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2013-02-22 20:51:23 +01:00
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#include "MixerControl.hxx"
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#include "MixerList.hxx"
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2013-02-01 17:47:09 +01:00
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#include "FilterRegistry.hxx"
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2013-04-09 01:24:52 +02:00
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#include "pcm/PcmVolume.hxx"
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2013-01-09 23:12:53 +01:00
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#include "GlobalEvents.hxx"
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2013-01-15 07:53:44 +01:00
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#include "Main.hxx"
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#include "event/Loop.hxx"
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2009-04-21 22:46:41 +02:00
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#include <glib.h>
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#include <assert.h>
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#include <string.h>
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#include <unistd.h>
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2013-01-15 07:53:44 +01:00
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EventLoop *main_loop;
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2009-11-10 21:38:20 +01:00
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#ifdef HAVE_PULSE
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#include "output/pulse_output_plugin.h"
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2011-09-17 19:50:36 +02:00
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void
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pulse_output_lock(G_GNUC_UNUSED struct pulse_output *po)
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{
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}
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void
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pulse_output_unlock(G_GNUC_UNUSED struct pulse_output *po)
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{
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}
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2009-10-21 10:30:42 +02:00
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void
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2009-10-23 10:33:26 +02:00
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pulse_output_set_mixer(G_GNUC_UNUSED struct pulse_output *po,
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G_GNUC_UNUSED struct pulse_mixer *pm)
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2009-10-21 10:30:42 +02:00
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{
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}
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2009-10-23 10:33:26 +02:00
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void
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pulse_output_clear_mixer(G_GNUC_UNUSED struct pulse_output *po,
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G_GNUC_UNUSED struct pulse_mixer *pm)
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{
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}
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bool
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pulse_output_set_volume(G_GNUC_UNUSED struct pulse_output *po,
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G_GNUC_UNUSED const struct pa_cvolume *volume,
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G_GNUC_UNUSED GError **error_r)
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{
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return false;
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}
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2009-11-10 21:38:20 +01:00
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#endif
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2011-09-17 19:33:51 +02:00
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#ifdef HAVE_ROAR
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2013-01-16 23:29:56 +01:00
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#include "output/RoarOutputPlugin.hxx"
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2011-09-17 19:33:51 +02:00
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int
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2013-01-16 23:29:56 +01:00
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roar_output_get_volume(gcc_unused RoarOutput *roar)
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2011-09-17 19:33:51 +02:00
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{
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return -1;
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}
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bool
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2013-01-16 23:29:56 +01:00
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roar_output_set_volume(gcc_unused RoarOutput *roar,
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2011-09-17 19:33:51 +02:00
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G_GNUC_UNUSED unsigned volume)
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{
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return true;
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}
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#endif
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2009-10-21 10:30:42 +02:00
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void
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2013-01-09 23:12:53 +01:00
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GlobalEvents::Emit(gcc_unused Event event)
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2009-10-21 10:30:42 +02:00
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{
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}
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2009-07-06 21:52:15 +02:00
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const struct filter_plugin *
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filter_plugin_by_name(G_GNUC_UNUSED const char *name)
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{
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assert(false);
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return NULL;
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}
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bool
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2011-10-20 02:11:40 +02:00
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pcm_volume(G_GNUC_UNUSED void *buffer, G_GNUC_UNUSED size_t length,
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2011-10-10 08:11:04 +02:00
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G_GNUC_UNUSED enum sample_format format,
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2009-07-06 21:52:15 +02:00
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G_GNUC_UNUSED int volume)
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{
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assert(false);
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return false;
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}
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2009-04-21 22:46:41 +02:00
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int main(int argc, G_GNUC_UNUSED char **argv)
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{
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2009-10-20 22:10:56 +02:00
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GError *error = NULL;
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2009-04-21 22:46:41 +02:00
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struct mixer *mixer;
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bool success;
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int volume;
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if (argc != 2) {
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g_printerr("Usage: read_mixer PLUGIN\n");
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return 1;
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}
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g_thread_init(NULL);
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2013-01-15 07:53:44 +01:00
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main_loop = new EventLoop(EventLoop::Default());
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2009-10-21 09:48:41 +02:00
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mixer = mixer_new(&alsa_mixer_plugin, NULL, NULL, &error);
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2009-04-21 22:46:41 +02:00
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if (mixer == NULL) {
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2009-10-20 22:10:56 +02:00
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g_printerr("mixer_new() failed: %s\n", error->message);
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g_error_free(error);
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2009-04-21 22:46:41 +02:00
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return 2;
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}
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2009-10-20 22:10:56 +02:00
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success = mixer_open(mixer, &error);
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2009-04-21 22:46:41 +02:00
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if (!success) {
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mixer_free(mixer);
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2009-10-20 22:10:56 +02:00
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g_printerr("failed to open the mixer: %s\n", error->message);
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g_error_free(error);
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2009-04-21 22:46:41 +02:00
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return 2;
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}
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2009-10-20 22:10:56 +02:00
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volume = mixer_get_volume(mixer, &error);
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2009-04-21 22:46:41 +02:00
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mixer_close(mixer);
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mixer_free(mixer);
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2013-01-15 07:53:44 +01:00
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delete main_loop;
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2009-04-21 22:46:41 +02:00
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assert(volume >= -1 && volume <= 100);
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if (volume < 0) {
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2009-10-20 22:10:56 +02:00
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if (error != NULL) {
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g_printerr("failed to read volume: %s\n",
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error->message);
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g_error_free(error);
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} else
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g_printerr("failed to read volume\n");
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2009-04-21 22:46:41 +02:00
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return 2;
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}
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g_print("%d\n", volume);
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return 0;
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}
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