5b82ffc291
After we've been hit by Large File Support problems several times in the past week (which only occur on 32 bit platforms, which I don't have), this is yet another attempt to fix the issue.
127 lines
2.8 KiB
C
127 lines
2.8 KiB
C
/*
|
|
* Copyright (C) 2003-2009 The Music Player Daemon Project
|
|
* http://www.musicpd.org
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "mixer_control.h"
|
|
#include "mixer_list.h"
|
|
#include "filter_registry.h"
|
|
#include "pcm_volume.h"
|
|
#include "event_pipe.h"
|
|
|
|
#include <glib.h>
|
|
|
|
#include <assert.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#ifdef HAVE_PULSE
|
|
#include "output/pulse_output_plugin.h"
|
|
|
|
void
|
|
pulse_output_set_mixer(G_GNUC_UNUSED struct pulse_output *po,
|
|
G_GNUC_UNUSED struct pulse_mixer *pm)
|
|
{
|
|
}
|
|
|
|
void
|
|
pulse_output_clear_mixer(G_GNUC_UNUSED struct pulse_output *po,
|
|
G_GNUC_UNUSED struct pulse_mixer *pm)
|
|
{
|
|
}
|
|
|
|
bool
|
|
pulse_output_set_volume(G_GNUC_UNUSED struct pulse_output *po,
|
|
G_GNUC_UNUSED const struct pa_cvolume *volume,
|
|
G_GNUC_UNUSED GError **error_r)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
#endif
|
|
|
|
void
|
|
event_pipe_emit(G_GNUC_UNUSED enum pipe_event event)
|
|
{
|
|
}
|
|
|
|
const struct filter_plugin *
|
|
filter_plugin_by_name(G_GNUC_UNUSED const char *name)
|
|
{
|
|
assert(false);
|
|
return NULL;
|
|
}
|
|
|
|
bool
|
|
pcm_volume(G_GNUC_UNUSED void *buffer, G_GNUC_UNUSED int length,
|
|
G_GNUC_UNUSED const struct audio_format *format,
|
|
G_GNUC_UNUSED int volume)
|
|
{
|
|
assert(false);
|
|
return false;
|
|
}
|
|
|
|
int main(int argc, G_GNUC_UNUSED char **argv)
|
|
{
|
|
GError *error = NULL;
|
|
struct mixer *mixer;
|
|
bool success;
|
|
int volume;
|
|
|
|
if (argc != 2) {
|
|
g_printerr("Usage: read_mixer PLUGIN\n");
|
|
return 1;
|
|
}
|
|
|
|
g_thread_init(NULL);
|
|
|
|
mixer = mixer_new(&alsa_mixer_plugin, NULL, NULL, &error);
|
|
if (mixer == NULL) {
|
|
g_printerr("mixer_new() failed: %s\n", error->message);
|
|
g_error_free(error);
|
|
return 2;
|
|
}
|
|
|
|
success = mixer_open(mixer, &error);
|
|
if (!success) {
|
|
mixer_free(mixer);
|
|
g_printerr("failed to open the mixer: %s\n", error->message);
|
|
g_error_free(error);
|
|
return 2;
|
|
}
|
|
|
|
volume = mixer_get_volume(mixer, &error);
|
|
mixer_close(mixer);
|
|
mixer_free(mixer);
|
|
|
|
assert(volume >= -1 && volume <= 100);
|
|
|
|
if (volume < 0) {
|
|
if (error != NULL) {
|
|
g_printerr("failed to read volume: %s\n",
|
|
error->message);
|
|
g_error_free(error);
|
|
} else
|
|
g_printerr("failed to read volume\n");
|
|
return 2;
|
|
}
|
|
|
|
g_print("%d\n", volume);
|
|
return 0;
|
|
}
|