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/*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Saving and loading the audio output states to/from the state file.
*
*/
#include "output_state.h"
#include "output_internal.h"
#include "audio.h"
#include <glib.h>
#include <assert.h>
#include <stdbool.h>
#include <stdlib.h>
#define AUDIO_DEVICE_STATE "audio_device_state:"
void
saveAudioDevicesState(FILE *fp)
{
unsigned n = audio_output_count();
assert(n > 0);
for (unsigned i = 0; i < n; ++i) {
const struct audio_output *ao = audio_output_get(i);
fprintf(fp, AUDIO_DEVICE_STATE "%d:%s\n",
ao->enabled, ao->name);
}
}
void
readAudioDevicesState(FILE *fp)
{
char buffer[1024];
while (fgets(buffer, sizeof(buffer), fp)) {
char *c, *name;
struct audio_output *ao;
g_strchomp(buffer);
if (!g_str_has_prefix(buffer, AUDIO_DEVICE_STATE))
continue;
c = strchr(buffer, ':');
if (!c || !(++c))
goto errline;
name = strchr(c, ':');
if (!name || !(++name))
goto errline;
ao = audio_output_find(name);
if (ao != NULL && atoi(c) == 0)
ao->enabled = false;
continue;
errline:
/* nonfatal */
g_warning("invalid line in state_file: %s\n", buffer);
}
}
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