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_handler_h__
22 #define __ardour_export_handler_h__
28 #include <boost/shared_ptr.hpp>
30 #include "ardour/ardour.h"
31 #include "ardour/session.h"
32 #include "ardour/types.h"
38 class ExportChannelConfiguration;
39 class ExportFormatSpecification;
41 class ExportGraphBuilder;
43 class ExportElementFactory
46 typedef boost::shared_ptr<ExportTimespan> TimespanPtr;
47 typedef boost::shared_ptr<ExportChannelConfiguration> ChannelConfigPtr;
48 typedef boost::shared_ptr<ExportFormatSpecification> FormatPtr;
49 typedef boost::shared_ptr<ExportFilename> FilenamePtr;
53 ExportElementFactory (Session & session);
54 ~ExportElementFactory ();
56 TimespanPtr add_timespan ();
58 ChannelConfigPtr add_channel_config ();
60 FormatPtr add_format ();
61 FormatPtr add_format (XMLNode const & state);
62 FormatPtr add_format_copy (FormatPtr other);
64 FilenamePtr add_filename ();
65 FilenamePtr add_filename_copy (FilenamePtr other);
71 class ExportHandler : public ExportElementFactory
76 FileSpec (ChannelConfigPtr channel_config, FormatPtr format, FilenamePtr filename)
77 : channel_config (channel_config)
82 ChannelConfigPtr channel_config;
89 /* Stuff for export configs
90 * The multimap maps timespans to file specifications
93 typedef std::pair<TimespanPtr, FileSpec> ConfigPair;
94 typedef std::multimap<TimespanPtr, FileSpec> ConfigMap;
96 typedef boost::shared_ptr<ExportGraphBuilder> GraphBuilderPtr;
97 typedef boost::shared_ptr<ExportStatus> StatusPtr;
100 /* Session::get_export_handler() should be used to obtain an export handler
101 * This ensures that it doesn't go out of scope before finalize_audio_export is called
104 friend boost::shared_ptr<ExportHandler> Session::get_export_handler();
105 ExportHandler (Session & session);
110 bool add_export_config (TimespanPtr timespan, ChannelConfigPtr channel_config, FormatPtr format, FilenamePtr filename);
111 void do_export (bool rt = false);
115 int process (nframes_t frames);
118 GraphBuilderPtr graph_builder;
119 StatusPtr export_status;
120 ConfigMap config_map;
125 /* Timespan management */
127 void start_timespan ();
128 int process_timespan (nframes_t frames);
129 int process_normalize ();
130 void finish_timespan ();
132 typedef std::pair<ConfigMap::iterator, ConfigMap::iterator> TimespanBounds;
133 TimespanPtr current_timespan;
134 TimespanBounds timespan_bounds;
136 PBD::ScopedConnection process_connection;
137 sframes_t process_position;
139 /* CD Marker stuff */
141 struct CDMarkerStatus {
142 CDMarkerStatus (std::string out_file, TimespanPtr timespan, FormatPtr format, std::string filename) :
143 out (out_file.c_str()), timespan (timespan), format (format), filename (filename),
144 track_number (1), track_position (0), track_duration (0), track_start_frame (0),
145 index_number (1), index_position (0)
150 TimespanPtr timespan;
152 std::string filename;
156 uint32_t track_number;
157 sframes_t track_position;
158 sframes_t track_duration;
159 sframes_t track_start_frame;
162 uint32_t index_number;
163 sframes_t index_position;
167 void export_cd_marker_file (TimespanPtr timespan, FormatPtr file_format, std::string filename, CDMarkerFormat format);
169 void write_cue_header (CDMarkerStatus & status);
170 void write_toc_header (CDMarkerStatus & status);
172 void write_track_info_cue (CDMarkerStatus & status);
173 void write_track_info_toc (CDMarkerStatus & status);
175 void write_index_info_cue (CDMarkerStatus & status);
176 void write_index_info_toc (CDMarkerStatus & status);
178 void frames_to_cd_frames_string (char* buf, sframes_t when);
184 } // namespace ARDOUR
186 #endif /* __ardour_export_handler_h__ */