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__
27 #include <boost/operators.hpp>
28 #include <boost/shared_ptr.hpp>
30 #include "ardour/export_pointers.h"
31 #include "ardour/session.h"
32 #include "ardour/types.h"
34 namespace AudioGrapher {
42 class ExportChannelConfiguration;
43 class ExportFormatSpecification;
45 class ExportGraphBuilder;
48 class ExportElementFactory
52 ExportElementFactory (Session & session);
53 ~ExportElementFactory ();
55 ExportTimespanPtr add_timespan ();
57 ExportChannelConfigPtr add_channel_config ();
59 ExportFormatSpecPtr add_format ();
60 ExportFormatSpecPtr add_format (XMLNode const & state);
61 ExportFormatSpecPtr add_format_copy (ExportFormatSpecPtr other);
63 ExportFilenamePtr add_filename ();
64 ExportFilenamePtr add_filename_copy (ExportFilenamePtr other);
70 class ExportHandler : public ExportElementFactory
75 FileSpec (ExportChannelConfigPtr channel_config, ExportFormatSpecPtr format,
76 ExportFilenamePtr filename, BroadcastInfoPtr broadcast_info)
77 : channel_config (channel_config)
80 , broadcast_info (broadcast_info)
83 ExportChannelConfigPtr channel_config;
84 ExportFormatSpecPtr format;
85 ExportFilenamePtr filename;
86 BroadcastInfoPtr broadcast_info;
90 /* Session::get_export_handler() should be used to obtain an export handler
91 * This ensures that it doesn't go out of scope before finalize_audio_export is called
94 friend boost::shared_ptr<ExportHandler> Session::get_export_handler();
95 ExportHandler (Session & session);
100 bool add_export_config (ExportTimespanPtr timespan, ExportChannelConfigPtr channel_config,
101 ExportFormatSpecPtr format, ExportFilenamePtr filename,
102 BroadcastInfoPtr broadcast_info);
105 std::string get_cd_marker_filename(std::string filename, CDMarkerFormat format);
109 void handle_duplicate_format_extensions();
110 int process (framecnt_t frames);
113 boost::shared_ptr<ExportGraphBuilder> graph_builder;
114 ExportStatusPtr export_status;
116 /* The timespan and corresponding file specifications that we are exporting;
117 there can be multiple FileSpecs for each ExportTimespan.
119 typedef std::multimap<ExportTimespanPtr, FileSpec> ConfigMap;
120 ConfigMap config_map;
124 /* Timespan management */
126 void start_timespan ();
127 int process_timespan (framecnt_t frames);
128 int process_normalize ();
129 void finish_timespan ();
131 typedef std::pair<ConfigMap::iterator, ConfigMap::iterator> TimespanBounds;
132 ExportTimespanPtr current_timespan;
133 TimespanBounds timespan_bounds;
135 PBD::ScopedConnection process_connection;
136 framepos_t process_position;
138 /* CD Marker stuff */
140 struct CDMarkerStatus {
141 CDMarkerStatus (std::string out_file, ExportTimespanPtr timespan,
142 ExportFormatSpecPtr format, std::string filename)
143 : out (out_file.c_str()), timespan (timespan), format (format), filename (filename), marker(0)
144 , track_number (1), track_position (0), track_duration (0), track_start_frame (0)
145 , index_number (1), index_position (0)
150 ExportTimespanPtr timespan;
151 ExportFormatSpecPtr format;
152 std::string filename;
156 uint32_t track_number;
157 framepos_t track_position;
158 framepos_t track_duration;
159 framepos_t track_start_frame;
162 uint32_t index_number;
163 framepos_t index_position;
167 void export_cd_marker_file (ExportTimespanPtr timespan, ExportFormatSpecPtr file_format,
168 std::string filename, CDMarkerFormat format);
170 void write_cue_header (CDMarkerStatus & status);
171 void write_toc_header (CDMarkerStatus & status);
173 void write_track_info_cue (CDMarkerStatus & status);
174 void write_track_info_toc (CDMarkerStatus & status);
176 void write_index_info_cue (CDMarkerStatus & status);
177 void write_index_info_toc (CDMarkerStatus & status);
179 void frames_to_cd_frames_string (char* buf, framepos_t when);
180 std::string toc_escape_cdtext (const std::string&);
181 std::string toc_escape_filename (const std::string&);
182 std::string cue_escape_cdtext (const std::string& txt);
188 } // namespace ARDOUR
190 #endif /* __ardour_export_handler_h__ */