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configuration.cc

/*
    Copyright (C) 1999 Paul Davis 

    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., 675 Mass Ave, Cambridge, MA 02139, USA.

    $Id: configuration.cc,v 1.75 2006/02/18 23:00:19 sampo Exp $
*/

#include <unistd.h>
#include <cstdio> /* for snprintf, grrr */

#ifdef HAVE_WORDEXP
#include <wordexp.h>
#endif

#include <pbd/failed_constructor.h>
#include <pbd/xml++.h>

#include <ardour/ardour.h>
#include <ardour/configuration.h>
#include <ardour/diskstream.h>

#include "i18n.h"

using namespace ARDOUR;
using namespace std;

/* this is global so that we do not have to indirect through an object pointer
   to reference it.
*/

namespace ARDOUR {
    float speed_quietning = 0.251189; // -12dB reduction for ffwd or rewind
}

Configuration::Configuration ()
{
      key_node = 0;
      user_configuration = false;
      set_defaults ();
}

Configuration::~Configuration ()
{
}
      
string
Configuration::get_user_path()
{
      char *envvar;

      if ((envvar = getenv ("ARDOUR_RC")) != 0) {
            return envvar;
      }

      return find_config_file ("ardour.rc");
}

string
Configuration::get_system_path()
{
      char* envvar;

      if ((envvar = getenv ("ARDOUR_SYSTEM_RC")) != 0) {
            return envvar;
      }

      return find_config_file ("ardour_system.rc");
}

int
Configuration::load_state ()
{
      string rcfile;
      
      /* load system configuration first */

      rcfile = get_system_path ();

      if (rcfile.length()) {

            XMLTree tree;

            cerr << "Loading system configuration file " << rcfile << endl;

            if (!tree.read (rcfile.c_str())) {
                  error << compose(_("Ardour: cannot read system configuration file \"%1\""), rcfile) << endmsg;
                  return -1;
            }

            if (set_state (*tree.root())) {
                  error << compose(_("Ardour: system configuration file \"%1\" not loaded successfully."), rcfile) << endmsg;
                  return -1;
            }
      }

      /* from this point on, all configuration changes are user driven */

      user_configuration = true;

      /* now load configuration file for user */
      
      rcfile = get_user_path ();

      if (rcfile.length()) {

            XMLTree tree;

            cerr << "Loading user configuration file " << rcfile << endl;

            if (!tree.read (rcfile)) {
                  error << compose(_("Ardour: cannot read configuration file \"%1\""), rcfile) << endmsg;
                  return -1;
            }
            
            
            if (set_state (*tree.root())) {
                  error << compose(_("Ardour: configuration file \"%1\" not loaded successfully."), rcfile) << endmsg;
                  return -1;
            }
      }

      return 0;
}

int
Configuration::save_state()
{
      XMLTree tree;
      string rcfile;
      char *envvar;

      /* Note: this only writes the per-user file, and therefore
         only saves variables marked as user-set or modified
      */

      if ((envvar = getenv ("ARDOUR_RC")) != 0) {
            if (strlen (envvar) == 0) {
                  return -1;
            }
            rcfile = envvar;
      } else {

            if ((envvar = getenv ("HOME")) == 0) {
                  return -1;
            }
            if (strlen (envvar) == 0) {
                  return -1;
            }
            rcfile = envvar;
            rcfile += "/.ardour/ardour.rc";
      }

      if (rcfile.length()) {
            tree.set_root (&state (true));
            if (!tree.write (rcfile.c_str())){
                  error << _("Config file not saved") << endmsg;
                  return -1;
            }
      }

      return 0;
}

XMLNode&
Configuration::get_state ()
{
      return state (false);
}

XMLNode&
Configuration::state (bool user_only)
{
      XMLNode* root = new XMLNode("Ardour");
      LocaleGuard lg (X_("POSIX"));

      typedef map<string, MidiPortDescriptor*>::const_iterator CI;
      for(CI m = midi_ports.begin(); m != midi_ports.end(); ++m){
            root->add_child_nocopy(m->second->get_state());
      }

      XMLNode* node = new XMLNode("Config");
      char buf[32];
      
      if (!user_only || minimum_disk_io_bytes_is_user) {
            snprintf(buf, sizeof(buf), "%" PRIu32 , minimum_disk_io_bytes);
            node->add_child_nocopy(option_node("minimum-disk-io-bytes", string(buf)));
      }
      if (!user_only || track_buffer_seconds_is_user) {
            snprintf(buf, sizeof(buf), "%f", track_buffer_seconds);
            node->add_child_nocopy(option_node("track-buffer-seconds", string(buf)));
      }
      if (!user_only || disk_choice_space_threshold_is_user) {
            snprintf(buf, sizeof(buf), "%" PRIu32, disk_choice_space_threshold);
            node->add_child_nocopy(option_node("disk-choice-space-threshold", string(buf)));
      }

      if (!user_only || midi_feedback_interval_ms_is_user) {
            snprintf(buf, sizeof(buf), "%" PRIu32, midi_feedback_interval_ms);
            node->add_child_nocopy(option_node("midi-feedback-interval-ms", string(buf)));
      }

      if (!user_only || mute_affects_pre_fader_is_user) {
            node->add_child_nocopy(option_node("mute-affects-pre-fader", mute_affects_pre_fader?"yes":"no"));
      }
      if (!user_only || mute_affects_post_fader_is_user) {
            node->add_child_nocopy(option_node("mute-affects-post-fader", mute_affects_post_fader?"yes":"no"));
      }
      if (!user_only || mute_affects_control_outs_is_user) {
            node->add_child_nocopy(option_node("mute-affects-control-outs", mute_affects_control_outs?"yes":"no"));
      }
      if (!user_only || mute_affects_main_outs_is_user) {
            node->add_child_nocopy(option_node("mute-affects-main-outs", mute_affects_main_outs?"yes":"no"));
      }
      if (!user_only || solo_latch_is_user) {
            node->add_child_nocopy(option_node("solo-latch", solo_latch?"yes":"no"));
      }
      if (!user_only || raid_path_is_user) {
            node->add_child_nocopy(option_node("raid-path", orig_raid_path));
      }
      if (!user_only || mtc_port_name_is_user) {
            node->add_child_nocopy(option_node("mtc-port", mtc_port_name));
      }
      if (!user_only || mmc_port_name_is_user) {
            node->add_child_nocopy(option_node("mmc-port", mmc_port_name));
      }
      if (!user_only || midi_port_name_is_user) {
            node->add_child_nocopy(option_node("midi-port", midi_port_name));
      }
      if (!user_only || use_hardware_monitoring_is_user) {
            node->add_child_nocopy(option_node("hardware-monitoring", use_hardware_monitoring?"yes":"no"));
      }
      if (!user_only || be_jack_time_master_is_user) {
            node->add_child_nocopy(option_node("jack-time-master", be_jack_time_master?"yes":"no"));
      }
      if (!user_only || native_format_is_bwf_is_user) {
            node->add_child_nocopy(option_node("native-format-bwf", native_format_is_bwf?"yes":"no"));
      }
      if (!user_only || trace_midi_input_is_user) {
            node->add_child_nocopy(option_node("trace-midi-input", trace_midi_input?"yes":"no"));
      }
      if (!user_only || trace_midi_output_is_user) {
            node->add_child_nocopy(option_node("trace-midi-output", trace_midi_output?"yes":"no"));
      }
      if (!user_only || plugins_stop_with_transport_is_user) {
            node->add_child_nocopy(option_node("plugins-stop-with-transport", plugins_stop_with_transport?"yes":"no"));
      }
      if (!user_only || no_sw_monitoring_is_user) {
            node->add_child_nocopy(option_node("no-sw-monitoring", no_sw_monitoring?"yes":"no"));
      }
      if (!user_only || stop_recording_on_xrun_is_user) {
            node->add_child_nocopy(option_node("stop-recording-on-xrun", stop_recording_on_xrun?"yes":"no"));
      }
      if (!user_only || verify_remove_last_capture_is_user) {
            node->add_child_nocopy(option_node("verify-remove-last-capture", verify_remove_last_capture?"yes":"no"));
      }
      if (!user_only || autosave_enabled_is_user) {
            node->add_child_nocopy(option_node("periodic-safety-backups", autosave_enabled?"yes":"no"));
      }
      if (!user_only || stop_at_session_end_is_user) {
            node->add_child_nocopy(option_node("stop-at-session-end", stop_at_session_end?"yes":"no"));
      }
      if (!user_only || seamless_looping_is_user) {
            node->add_child_nocopy(option_node("seamless-loop", seamless_looping?"yes":"no"));
      }
      if (!user_only || auto_xfade_is_user) {
            node->add_child_nocopy(option_node("auto-xfade", auto_xfade?"yes":"no"));
      }
      if (!user_only || no_new_session_dialog_is_user) {
            node->add_child_nocopy(option_node("no-new-session-dialog", no_new_session_dialog?"yes":"no"));
      }
      if (!user_only || timecode_source_is_synced_is_user) {
            node->add_child_nocopy(option_node("timecode-source-is-synced", timecode_source_is_synced?"yes":"no"));
      }
      if (!user_only || auditioner_output_left_is_user) {
            node->add_child_nocopy(option_node("auditioner-left-out", auditioner_output_left));
      }
      if (!user_only || auditioner_output_right_is_user) {
            node->add_child_nocopy(option_node("auditioner-right-out", auditioner_output_right));
      }
      if (!user_only || quieten_at_speed_is_user) {
            snprintf (buf, sizeof (buf), "%f", speed_quietning);
            node->add_child_nocopy(option_node("quieten-at-speed", buf));
      }

      /* use-vst is always per-user */
      node->add_child_nocopy (option_node ("use-vst", use_vst?"yes":"no"));

      root->add_child_nocopy (*node);

      if (key_node) {
            root->add_child_copy (*key_node);
      }

      if (_extra_xml) {
            root->add_child_copy (*_extra_xml);
      }

      return *root;
}

int
Configuration::set_state (const XMLNode& root)
{
      if (root.name() != "Ardour") {
            return -1;
      }

      XMLNodeList nlist = root.children();
      XMLNodeConstIterator niter;
      XMLNode *node;
      XMLProperty *prop;

      for (niter = nlist.begin(); niter != nlist.end(); ++niter) {

            node = *niter;

            if (node->name() == "MIDI-port") {

                  try {
                        pair<string,MidiPortDescriptor*> newpair;
                        newpair.second = new MidiPortDescriptor (*node);
                        newpair.first = newpair.second->tag;
                        midi_ports.insert (newpair);
                  }

                  catch (failed_constructor& err) {
                        warning << _("ill-formed MIDI port specification in ardour rcfile (ignored)") << endmsg;
                  }

            } else if (node->name() == "Config") {
                  
                  XMLNodeList option_list = node->children();
                  XMLNodeConstIterator option_iter;
                  XMLNode *option_node;

                  string option_name;
                  string option_value;

                  for (option_iter = option_list.begin(); option_iter != option_list.end(); ++option_iter) {

                        option_node = *option_iter;

                        if (option_node->name() != "Option") {
                              continue;
                        }

                        if ((prop = option_node->property ("name")) != 0) {
                              option_name = prop->value();
                        } else {
                              throw failed_constructor ();
                        }
                        
                        if ((prop = option_node->property ("value")) != 0) {
                              option_value = prop->value();
                        } else {
                              throw failed_constructor ();
                        }
                        
                        if (option_name == "minimum-disk-io-bytes") {
                              set_minimum_disk_io (atoi (option_value.c_str()));
                        } else if (option_name == "track-buffer-seconds") {
                              set_track_buffer (atof (option_value.c_str()));
                        } else if (option_name == "raid-path") {
                              set_raid_path (option_value);
                        } else if (option_name == "hiding-groups-deactivates-groups") {
                              set_hiding_groups_deactivates_groups (option_value == "yes");
                        } else if (option_name == "mute-affects-pre-fader") {
                              set_mute_affects_pre_fader (option_value == "yes");
                        } else if (option_name == "mute-affects-post-fader") {
                              set_mute_affects_post_fader (option_value == "yes");
                        } else if (option_name == "mute-affects-control-outs") {
                              set_mute_affects_control_outs (option_value == "yes");
                        } else if (option_name == "mute-affects-main-outs") {
                              set_mute_affects_main_outs (option_value == "yes");
                        } else if (option_name == "solo-latch") {
                              set_solo_latch (option_value == "yes");
                        } else if (option_name == "mtc-port") {
                              set_mtc_port_name (option_value);
                        } else if (option_name == "mmc-port") {
                              set_mmc_port_name (option_value);
                        } else if (option_name == "midi-port") {
                              set_midi_port_name (option_value);
                        } else if (option_name == "hardware-monitoring") {
                              set_use_hardware_monitoring (option_value == "yes");
                        } else if (option_name == "jack-time-master") {
                              set_jack_time_master (option_value == "yes");
                        } else if (option_name == "trace-midi-input") {
                              set_trace_midi_input (option_value == "yes");
                        } else if (option_name == "trace-midi-output") {
                              set_trace_midi_output (option_value == "yes");
                        } else if (option_name == "plugins-stop-with-transport") {
                              set_plugins_stop_with_transport (option_value == "yes");
                        } else if (option_name == "no-sw-monitoring") {
                              set_no_sw_monitoring (option_value == "yes");
                        } else if (option_name == "stop-recording-on-xrun") {
                              set_stop_recording_on_xrun (option_value == "yes");
                        } else if (option_name == "verify-remove-last-capture") {
                              set_verify_remove_last_capture (option_value == "yes");
                        } else if (option_name == "periodic-safety-backups") {
                              set_autosave_enabled (option_value == "yes");
                        } else if (option_name == "stop-at-session-end") {
                              set_stop_at_session_end (option_value == "yes");
                        } else if (option_name == "seamless-loop") {
                              set_seamless_looping (option_value == "yes");
                        } else if (option_name == "auto-xfade") {
                              set_auto_xfade (option_value == "yes");
                        } else if (option_name == "no-new-session-dialog") {
                              set_no_new_session_dialog (option_value == "yes");
                        } else if (option_name == "timecode-source-is-synced") {
                              set_timecode_source_is_synced (option_value == "yes");
                        } else if (option_name == "auditioner-left-out") {
                              set_auditioner_output_left (option_value);
                        } else if (option_name == "auditioner-right-out") {
                              set_auditioner_output_right (option_value);
                        } else if (option_name == "use-vst") {
                              set_use_vst (option_value == "yes");
                        } else if (option_name == "quieten-at-speed") {
                              float v;
                              if (sscanf (option_value.c_str(), "%f", &v) == 1) {
                                    set_quieten_at_speed (v);
                              }
                        } else if (option_name == "midi-feedback-interval-ms") {
                              set_midi_feedback_interval_ms (atoi (option_value.c_str()));
                        }
                  }
                  
            } else if (node->name() == "Keys") {
                  /* defer handling of this for UI objects */
                  key_node = new XMLNode (*node);
            } else if (node->name() == "extra") {
                  _extra_xml = new XMLNode (*node);
            }
      }

      DiskStream::set_disk_io_chunk_frames (minimum_disk_io_bytes / sizeof (Sample));

      return 0;
}

void
Configuration::set_defaults ()
{
      raid_path = "";
      orig_raid_path = raid_path;

      mtc_port_name = N_("default");
      mmc_port_name = N_("default");
      midi_port_name = N_("default");
#ifdef __APPLE__
      auditioner_output_left = N_("coreaudio:Built-in Audio:in1");
      auditioner_output_right = N_("coreaudio:Built-in Audio:in2");
#else
      auditioner_output_left = N_("alsa_pcm:playback_1");
      auditioner_output_right = N_("alsa_pcm:playback_2");
#endif
      minimum_disk_io_bytes = 1024 * 256;
      track_buffer_seconds = 5.0;
      hiding_groups_deactivates_groups = true;
      mute_affects_pre_fader = 1;
      mute_affects_post_fader = 1;
      mute_affects_control_outs = 1;
      mute_affects_main_outs = 1;
      solo_latch = 1;
      use_hardware_monitoring = true;
      be_jack_time_master = true;
      native_format_is_bwf = true;
      trace_midi_input = false;
      trace_midi_output = false;
      plugins_stop_with_transport = false;
      no_sw_monitoring = false;
      stop_recording_on_xrun = false;
      verify_remove_last_capture = true;
      autosave_enabled = true;
      stop_at_session_end = true;
      seamless_looping = true;
      auto_xfade = true;
      no_new_session_dialog = false;
      timecode_source_is_synced = true;
      use_vst = true; /* if we build with VST_SUPPORT, otherwise no effect */
      quieten_at_speed = true;

      midi_feedback_interval_ms = 100;
      
      // this is about 5 minutes at 48kHz, 4 bytes/sample
      disk_choice_space_threshold = 57600000;

      /* at this point, no variables from from the user */

      raid_path_is_user = false;
      minimum_disk_io_bytes_is_user = false;
      track_buffer_seconds_is_user = false;
      hiding_groups_deactivates_groups_is_user = false;
      auditioner_output_left_is_user = false;
      auditioner_output_right_is_user = false;
      mute_affects_pre_fader_is_user = false;
      mute_affects_post_fader_is_user = false;
      mute_affects_control_outs_is_user = false;
      mute_affects_main_outs_is_user = false;
      solo_latch_is_user = false;
      disk_choice_space_threshold_is_user = false;
      mtc_port_name_is_user = false;
      mmc_port_name_is_user = false;
      midi_port_name_is_user = false;
      use_hardware_monitoring_is_user = false;
      be_jack_time_master_is_user = false;
      native_format_is_bwf_is_user = false;
      trace_midi_input_is_user = false;
      trace_midi_output_is_user = false;
      plugins_stop_with_transport_is_user = false;
      no_sw_monitoring_is_user = false;
      stop_recording_on_xrun_is_user = false;
      verify_remove_last_capture_is_user = false;
      autosave_enabled_is_user = false;
      stop_at_session_end_is_user = false;
      seamless_looping_is_user = false;
      auto_xfade_is_user = false;
      no_new_session_dialog_is_user = false;
      timecode_source_is_synced_is_user = false;
      quieten_at_speed_is_user = false;
      midi_feedback_interval_ms_is_user = false;
}

Configuration::MidiPortDescriptor::MidiPortDescriptor (const XMLNode& node)
{
      const XMLProperty *prop;
      bool have_tag = false;
      bool have_device = false;
      bool have_type = false;
      bool have_mode = false;

      if ((prop = node.property ("tag")) != 0) {
            tag = prop->value();
            have_tag = true;
      }

      if ((prop = node.property ("device")) != 0) {
            device = prop->value();
            have_device = true;
      }

      if ((prop = node.property ("type")) != 0) {
            type = prop->value();
            have_type = true;
      }

      if ((prop = node.property ("mode")) != 0) {
            mode = prop->value();
            have_mode = true;
      }

      if (!have_tag || !have_device || !have_type || !have_mode) {
            throw failed_constructor();
      }
}

XMLNode&
Configuration::MidiPortDescriptor::get_state()
{
      XMLNode* root = new XMLNode("MIDI-port");

      root->add_property("tag", tag);
      root->add_property("device", device);
      root->add_property("type", type);
      root->add_property("mode", mode);

      return *root;
}

XMLNode&
Configuration::option_node(const string & name, const string & value)
{
      XMLNode* root = new XMLNode("Option");

      root->add_property("name", name);
      root->add_property("value", value);
      
      return *root;
}

string
Configuration::get_raid_path()
{
      return raid_path;
}

void
Configuration::set_raid_path(string path)
{
#ifdef HAVE_WORDEXP
      /* Handle tilde and environment variable expansion in session path */
      wordexp_t expansion;
      switch (wordexp (path.c_str(), &expansion, WRDE_NOCMD|WRDE_UNDEF)) {
      case 0:
            break;
      default:
            error << _("illegal or badly-formed string used for RAID path") << endmsg;
            return;
      }

      if (expansion.we_wordc > 1) {
            error << _("RAID search path is ambiguous") << endmsg;
            return;
      }

      raid_path = expansion.we_wordv[0];
      orig_raid_path = path;
      wordfree (&expansion);
#else
      raid_path = orig_raid_path = path;
#endif

      if (user_configuration) {
            raid_path_is_user = true;
      }
}

uint32_t
Configuration::get_minimum_disk_io()
{
      return minimum_disk_io_bytes;
}
      
void
Configuration::set_minimum_disk_io(uint32_t min)
{
      minimum_disk_io_bytes = min;
      if (user_configuration) {
            minimum_disk_io_bytes_is_user = true;
      }
}

float
Configuration::get_track_buffer()
{
      return track_buffer_seconds;
}

void 
Configuration::set_track_buffer(float buffer)
{
      track_buffer_seconds = buffer;
      if (user_configuration) {
            track_buffer_seconds_is_user = true;
      }
}

bool 
Configuration::does_hiding_groups_deactivates_groups()
{
      return hiding_groups_deactivates_groups;
}

void 
Configuration::set_hiding_groups_deactivates_groups(bool hiding)
{
      hiding_groups_deactivates_groups = hiding;
      if (user_configuration) {
            hiding_groups_deactivates_groups_is_user = true;
      }
}

string
Configuration::get_auditioner_output_left ()
{
      return auditioner_output_left;
}

void
Configuration::set_auditioner_output_left (string str)
{
      auditioner_output_left = str;
      if (user_configuration) {
            auditioner_output_left_is_user = true;
      }
}

string
Configuration::get_auditioner_output_right ()
{
      return auditioner_output_right;
}

void
Configuration::set_auditioner_output_right (string str)
{
      auditioner_output_right = str;
      if (user_configuration) {
            auditioner_output_right_is_user = true;
      }
}

bool
Configuration::get_mute_affects_pre_fader()
{
      return mute_affects_pre_fader;
}

void 
Configuration::set_mute_affects_pre_fader (bool affects)
{
      mute_affects_pre_fader = affects;
      if (user_configuration) {
            mute_affects_pre_fader_is_user = true;
      }
}

bool 
Configuration::get_mute_affects_post_fader()
{
      return mute_affects_post_fader;
}

void 
Configuration::set_mute_affects_post_fader (bool affects)
{
      mute_affects_post_fader = affects;
      if (user_configuration) {
            mute_affects_post_fader_is_user = true;
      }
}

bool 
Configuration::get_mute_affects_control_outs()
{
      return mute_affects_control_outs;
}

void 
Configuration::set_mute_affects_control_outs (bool affects)
{
      mute_affects_control_outs = affects;
      if (user_configuration) {
            mute_affects_control_outs_is_user = true;
      }
}

bool 
Configuration::get_mute_affects_main_outs()
{
      return mute_affects_main_outs;
}

void 
Configuration::set_mute_affects_main_outs (bool affects)
{
      mute_affects_main_outs = affects;
      if (user_configuration) {
            mute_affects_main_outs_is_user = true;
      }
}

bool 
Configuration::get_solo_latch()
{
      return solo_latch;
}

void 
Configuration::set_solo_latch (bool latch)
{
      solo_latch = latch;
      if (user_configuration) {
            solo_latch_is_user = true;
      }
}

XMLNode *
Configuration::get_keys () const
{
      return key_node;
}

void
Configuration::set_keys (XMLNode* keys)
{
      key_node = keys;
}

uint32_t
Configuration::get_disk_choice_space_threshold ()
{
      return disk_choice_space_threshold;
}

void
Configuration::set_disk_choice_space_threshold (uint32_t val)
{
      disk_choice_space_threshold = val;
      if (user_configuration) {
            disk_choice_space_threshold_is_user = true;
      }
}

string
Configuration::get_mmc_port_name ()
{
      return mmc_port_name;
}

void
Configuration::set_mmc_port_name (string name)
{
      mmc_port_name = name;
      if (user_configuration) {
            mmc_port_name_is_user = true;
      }
}

string
Configuration::get_mtc_port_name ()
{
      return mtc_port_name;
}

void
Configuration::set_mtc_port_name (string name)
{
      mtc_port_name = name;
      if (user_configuration) {
            mtc_port_name_is_user = true;
      }
}

string
Configuration::get_midi_port_name ()
{
      return midi_port_name;
}

void
Configuration::set_midi_port_name (string name)
{
      midi_port_name = name;
      if (user_configuration) {
            midi_port_name_is_user = true;
      }
}

uint32_t
Configuration::get_midi_feedback_interval_ms ()
{
      return midi_feedback_interval_ms;
}

void
Configuration::set_midi_feedback_interval_ms (uint32_t val)
{
      midi_feedback_interval_ms = val;
      if (user_configuration) {
            midi_feedback_interval_ms_is_user = true;
      }
}

bool
Configuration::get_use_hardware_monitoring()
{
      return use_hardware_monitoring;
}

void
Configuration::set_use_hardware_monitoring(bool yn)
{
      use_hardware_monitoring = yn;
      if (user_configuration) {
            use_hardware_monitoring_is_user = true;
      }
}

bool
Configuration::get_jack_time_master()
{
      return be_jack_time_master;
}

void
Configuration::set_jack_time_master(bool yn)
{
      be_jack_time_master = yn;
      if (user_configuration) {
            be_jack_time_master_is_user = true;
      }
}

bool
Configuration::get_native_format_is_bwf()
{
      return native_format_is_bwf;
}

void
Configuration::set_native_format_is_bwf(bool yn)
{
      native_format_is_bwf = yn;
      if (user_configuration) {
            native_format_is_bwf_is_user = true;
      }
}

bool
Configuration::get_trace_midi_input ()
{
      return trace_midi_input;
}

void
Configuration::set_trace_midi_input (bool yn)
{
      trace_midi_input = yn;
      if (user_configuration) {
            trace_midi_input_is_user = true;
      }
}

bool
Configuration::get_trace_midi_output ()
{
      return trace_midi_output;
}

void
Configuration::set_trace_midi_output (bool yn)
{
      trace_midi_output = yn;
      if (user_configuration) {
            trace_midi_output_is_user = true;
      }
}

bool
Configuration::get_plugins_stop_with_transport ()
{
      return plugins_stop_with_transport;
}

void
Configuration::set_plugins_stop_with_transport (bool yn)
{
      plugins_stop_with_transport = yn;
      if (user_configuration) {
            plugins_stop_with_transport_is_user = true;
      }
}

bool
Configuration::get_no_sw_monitoring ()
{
      return no_sw_monitoring;
}

void
Configuration::set_no_sw_monitoring (bool yn)
{
      no_sw_monitoring = yn;
      if (user_configuration) {
            no_sw_monitoring_is_user = true;
      }
}

bool
Configuration::get_stop_recording_on_xrun ()
{
      return stop_recording_on_xrun;
}

void
Configuration::set_stop_recording_on_xrun (bool yn)
{
      stop_recording_on_xrun = yn;
      if (user_configuration) {
            stop_recording_on_xrun_is_user = true;
      }
}

bool
Configuration::get_verify_remove_last_capture ()
{
      return verify_remove_last_capture;
}

void
Configuration::set_verify_remove_last_capture (bool yn)
{
      verify_remove_last_capture = yn;
      if (user_configuration) {
            verify_remove_last_capture_is_user = true;
      }
}

bool
Configuration::get_autosave_enabled ()
{
      return autosave_enabled;
}

void
Configuration::set_autosave_enabled (bool yn)
{
      autosave_enabled = yn;
      if (user_configuration) {
            autosave_enabled_is_user = true;
      }
}

bool
Configuration::get_stop_at_session_end ()
{
      return stop_at_session_end;
}

void
Configuration::set_stop_at_session_end (bool yn)
{
      stop_at_session_end = yn;
      if (user_configuration) {
            stop_at_session_end_is_user = true;
      }
}

bool
Configuration::get_seamless_looping ()
{
      return seamless_looping;
}

void
Configuration::set_seamless_looping (bool yn)
{
      seamless_looping = yn;
      if (user_configuration) {
            seamless_looping_is_user = true;
      }
}

bool
Configuration::get_auto_xfade ()
{
      return auto_xfade;
}

void
Configuration::set_auto_xfade (bool yn)
{
      auto_xfade = yn;
      if (user_configuration) {
            auto_xfade_is_user = true;
      }
}

string
Configuration::get_user_ardour_path ()
{
      string path;
      char* envvar;
      
      if ((envvar = getenv ("HOME")) == 0 || strlen (envvar) == 0) {
            return "/";
      }
            
      path = envvar;
      path += "/.ardour/";
      
      return path;
}

string
Configuration::get_system_ardour_path ()
{
      string path;
      char* envvar;

      if ((envvar = getenv ("ARDOUR_DATA_PATH")) != 0) {
            path += envvar;
            if (path[path.length()-1] != ':') {
                  path += ':';
            }
      }

      path += DATA_DIR;
      path += "/ardour/";
      
      return path;
}

bool 
Configuration::get_no_new_session_dialog()
{
      return no_new_session_dialog;
}

void 
Configuration::set_no_new_session_dialog(bool yn)
{
      no_new_session_dialog = yn;
      if (user_configuration) {
            no_new_session_dialog_is_user = true;
      }
}

bool
Configuration::get_timecode_source_is_synced()
{
      return timecode_source_is_synced;
}

void
Configuration::set_timecode_source_is_synced (bool yn)
{
      timecode_source_is_synced = yn;
      if (user_configuration) {
            timecode_source_is_synced_is_user = true;
      }
}

bool
Configuration::get_use_vst ()
{
      return use_vst;
}

void
Configuration::set_use_vst (bool yn)
{
      use_vst = yn;
}

gain_t
Configuration::get_quieten_at_speed()
{
      return speed_quietning;
}

void
Configuration::set_quieten_at_speed (float gain_coefficient)
{
      speed_quietning = gain_coefficient;
      if (user_configuration) {
            quieten_at_speed_is_user = true;
      }
}

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