libs/ardour/export_channel_configuration.cc

   1 /*
   2     Copyright (C) 2008 Paul Davis
   3     Author: Sakari Bergen
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20
  21 #include "ardour/export_channel_configuration.h"
  22
  23 #include "ardour/export_handler.h"
  24 #include "ardour/export_filename.h"
  25 #include "ardour/export_timespan.h"
  26
  27 #include "ardour/audio_port.h"
  28 #include "ardour/export_failed.h"
  29 #include "ardour/midi_port.h"
  30 #include "ardour/session.h"
  31 #include "ardour/audioengine.h"
  32
  33 #include "pbd/convert.h"
  34 #include "pbd/pthread_utils.h"
  35
  36 using namespace PBD;
  37
  38 namespace ARDOUR
  39 {
  40
  41 /* ExportChannelConfiguration */
  42
  43 ExportChannelConfiguration::ExportChannelConfiguration (Session & session) :
  44   session (session),
  45   split (false)
  46 {
  47
  48 }
  49
  50 XMLNode &
  51 ExportChannelConfiguration::get_state ()
  52 {
  53         XMLNode * root = new XMLNode ("ExportChannelConfiguration");
  54         XMLNode * channel;
  55
  56         root->add_property ("split", get_split() ? "true" : "false");
  57         root->add_property ("channels", to_string (get_n_chans(), std::dec));
  58
  59         uint32_t i = 1;
  60         for (ExportChannelConfiguration::ChannelList::const_iterator c_it = channels.begin(); c_it != channels.end(); ++c_it) {
  61                 channel = root->add_child ("Channel");
  62                 if (!channel) { continue; }
  63
  64                 channel->add_property ("number", to_string (i, std::dec));
  65                 (*c_it)->get_state (channel);
  66
  67                 ++i;
  68         }
  69
  70         return *root;
  71 }
  72
  73 int
  74 ExportChannelConfiguration::set_state (const XMLNode & root)
  75 {
  76         XMLProperty const * prop;
  77
  78         if ((prop = root.property ("split"))) {
  79                 set_split (!prop->value().compare ("true"));
  80         }
  81
  82         XMLNodeList channels = root.children ("Channel");
  83         for (XMLNodeList::iterator it = channels.begin(); it != channels.end(); ++it) {
  84                 ExportChannelPtr channel (new PortExportChannel ());
  85                 channel->set_state (*it, session);
  86                 register_channel (channel);
  87         }
  88
  89         return 0;
  90 }
  91
  92 bool
  93 ExportChannelConfiguration::all_channels_have_ports () const
  94 {
  95         for (ChannelList::const_iterator it = channels.begin(); it != channels.end(); ++it) {
  96                 if ((*it)->empty ()) { return false; }
  97         }
  98
  99         return true;
 100 }
 101
 102 } // namespace ARDOUR