code.delx.au - pulseaudio/blob - src/modules/module-default-device-restore.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of PulseAudio.
   5
   6   Copyright 2006 Lennart Poettering
   7
   8   PulseAudio is free software; you can redistribute it and/or modify
   9   it under the terms of the GNU Lesser General Public License as published
  10   by the Free Software Foundation; either version 2 of the License,
  11   or (at your option) any later version.
  12
  13   PulseAudio is distributed in the hope that it will be useful, but
  14   WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  16   General Public License for more details.
  17
  18   You should have received a copy of the GNU Lesser General Public License
  19   along with PulseAudio; if not, write to the Free Software
  20   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  21   USA.
  22 ***/
  23
  24 #ifdef HAVE_CONFIG_H
  25 #include <config.h>
  26 #endif
  27
  28 #include <pulsecore/core-util.h>
  29 #include <pulsecore/module.h>
  30 #include <pulsecore/log.h>
  31 #include <pulsecore/namereg.h>
  32
  33 #include "module-default-device-restore-symdef.h"
  34
  35 PA_MODULE_AUTHOR("Lennart Poettering")
  36 PA_MODULE_DESCRIPTION("Automatically restore the default sink and source")
  37 PA_MODULE_VERSION(PACKAGE_VERSION)
  38
  39 #define DEFAULT_SINK_FILE "default-sink"
  40 #define DEFAULT_SOURCE_FILE "default-source"
  41
  42 int pa__init(pa_module *m) {
  43     FILE *f;
  44
  45     /* We never overwrite manually configured settings */
  46
  47     if (m->core->default_sink_name)
  48         pa_log_info("Manually configured default sink, not overwriting.");
  49     else if ((f = pa_open_config_file(NULL, DEFAULT_SINK_FILE, NULL, NULL, "r"))) {
  50         char ln[256] = "";
  51
  52         fgets(ln, sizeof(ln)-1, f);
  53         pa_strip_nl(ln);
  54         fclose(f);
  55
  56         if (!ln[0])
  57             pa_log_debug("No previous default sink setting, ignoring.");
  58         else if (pa_namereg_get(m->core, ln, PA_NAMEREG_SINK, 1)) {
  59             pa_namereg_set_default(m->core, ln, PA_NAMEREG_SINK);
  60             pa_log_debug("Restored default sink '%s'.", ln);
  61         } else
  62             pa_log_info("Saved default sink '%s' not existant, not restoring default sink setting.", ln);
  63     }
  64
  65     if (m->core->default_source_name)
  66         pa_log_info("Manually configured default source, not overwriting.");
  67     else if ((f = pa_open_config_file(NULL, DEFAULT_SOURCE_FILE, NULL, NULL, "r"))) {
  68         char ln[256] = "";
  69
  70         fgets(ln, sizeof(ln)-1, f);
  71         pa_strip_nl(ln);
  72         fclose(f);
  73
  74         if (!ln[0])
  75             pa_log_debug("No previous default source setting, ignoring.");
  76         else if (pa_namereg_get(m->core, ln, PA_NAMEREG_SOURCE, 1)) {
  77             pa_namereg_set_default(m->core, ln, PA_NAMEREG_SOURCE);
  78             pa_log_debug("Restored default source '%s'.", ln);
  79         } else
  80             pa_log_info("Saved default source '%s' not existant, not restoring default source setting.", ln);
  81     }
  82
  83     return 0;
  84 }
  85
  86 void pa__done(pa_module*m) {
  87     FILE *f;
  88
  89     if ((f = pa_open_config_file(NULL, DEFAULT_SINK_FILE, NULL, NULL, "w"))) {
  90         const char *n = pa_namereg_get_default_sink_name(m->core);
  91         fprintf(f, "%s\n", n ? n : "");
  92         fclose(f);
  93     }
  94
  95     if ((f = pa_open_config_file(NULL, DEFAULT_SOURCE_FILE, NULL, NULL, "w"))) {
  96         const char *n = pa_namereg_get_default_source_name(m->core);
  97         fprintf(f, "%s\n", n ? n : "");
  98         fclose(f);
  99     }
 100 }
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