92 lines
2.0 KiB
C
92 lines
2.0 KiB
C
/*
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* Copyright (C) 2003-2011 The Music Player Daemon Project
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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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/*
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* Saving and loading the audio output states to/from the state file.
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*
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*/
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#include "config.h"
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#include "output_state.h"
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#include "output_internal.h"
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#include "output_all.h"
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#include <glib.h>
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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#define AUDIO_DEVICE_STATE "audio_device_state:"
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unsigned audio_output_state_version;
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void
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audio_output_state_save(FILE *fp)
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{
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unsigned n = audio_output_count();
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assert(n > 0);
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for (unsigned i = 0; i < n; ++i) {
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const struct audio_output *ao = audio_output_get(i);
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fprintf(fp, AUDIO_DEVICE_STATE "%d:%s\n",
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ao->enabled, ao->name);
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}
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}
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bool
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audio_output_state_read(const char *line)
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{
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long value;
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char *endptr;
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const char *name;
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struct audio_output *ao;
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if (!g_str_has_prefix(line, AUDIO_DEVICE_STATE))
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return false;
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line += sizeof(AUDIO_DEVICE_STATE) - 1;
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value = strtol(line, &endptr, 10);
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if (*endptr != ':' || (value != 0 && value != 1))
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return false;
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if (value != 0)
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/* state is "enabled": no-op */
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return true;
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name = endptr + 1;
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ao = audio_output_find(name);
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if (ao == NULL) {
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g_debug("Ignoring device state for '%s'", name);
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return true;
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}
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ao->enabled = false;
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return true;
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}
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unsigned
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audio_output_state_get_version(void)
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{
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return audio_output_state_version;
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}
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