2 Copyright (C) 2008 Paul Davis
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.
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.
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.
21 #ifndef __ardour_export_channel_configuration_h__
22 #define __ardour_export_channel_configuration_h__
27 #include <glibmm/ustring.h>
28 #include <sigc++/signal.h>
30 #include <ardour/export_status.h>
31 #include <ardour/ardour.h>
41 class ExportFormatSpecification;
43 class ExportProcessor;
46 class ExportChannel : public std::set<AudioPort *>
52 void add_port (AudioPort * port) { if (port) { insert (port); } }
53 void read_ports (float * data, nframes_t frames) const;
56 class ExportChannelConfiguration
59 typedef boost::shared_ptr<ExportProcessor> ProcessorPtr;
60 typedef boost::shared_ptr<ExportTimespan> TimespanPtr;
61 typedef boost::shared_ptr<ExportFormatSpecification const> FormatPtr;
62 typedef boost::shared_ptr<ExportFilename> FilenamePtr;
64 typedef std::pair<FormatPtr, FilenamePtr> FileConfig;
65 typedef std::list<FileConfig> FileConfigList;
67 /// Struct for threading, acts like a pointer to a ExportChannelConfiguration
69 WriterThread (ExportChannelConfiguration & channel_config) :
70 channel_config (channel_config), running (false) {}
72 ExportChannelConfiguration * operator-> () { return &channel_config; }
73 ExportChannelConfiguration & operator* () { return channel_config; }
75 ExportChannelConfiguration & channel_config;
82 friend class ExportElementFactory;
83 ExportChannelConfiguration (ExportStatus & status);
86 ~ExportChannelConfiguration ();
88 typedef boost::shared_ptr<ExportChannel const> ChannelPtr;
89 typedef std::list<ChannelPtr> ChannelList;
91 ChannelList const & get_channels () { return channels; }
92 bool all_channels_have_ports ();
94 ustring name () const { return _name; }
95 void set_name (ustring name) { _name = name; }
96 void set_split (bool value) { split = value; }
98 bool get_split () { return split; }
99 uint32_t get_n_chans () { return channels.size(); }
101 void register_channel (ChannelPtr channel) { channels.push_back (channel); }
102 void register_file_config (FormatPtr format, FilenamePtr filename) { file_configs.push_back (FileConfig (format, filename)); }
104 void clear_channels () { channels.clear (); }
106 /// Writes all files for this channel config @return true if a new thread was spawned
107 bool write_files (boost::shared_ptr<ExportProcessor> new_processor);
108 sigc::signal<void> FilesWritten;
110 // Tells the handler the necessary information for it to handle tempfiles
111 void register_with_timespan (TimespanPtr timespan);
113 void unregister_all ();
117 // processor has to be prepared before doing this.
120 /// The actual write files, needed for threading
121 static void * _write_files (void *arg);
122 WriterThread writer_thread;
123 ProcessorPtr processor;
124 ExportStatus & status;
128 TimespanPtr timespan;
129 ChannelList channels;
130 FileConfigList file_configs;
132 bool split; // Split to mono files
136 } // namespace ARDOUR
138 #endif /* __ardour_export_channel_configuration_h__ */