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/operators.hpp>
29 #include <boost/shared_ptr.hpp>
31 #include "ardour/ardour.h"
32 #include "ardour/export_pointers.h"
33 #include "ardour/session.h"
34 #include "ardour/types.h"
36 namespace AudioGrapher {
44 class ExportChannelConfiguration;
45 class ExportFormatSpecification;
47 class ExportGraphBuilder;
50 class ExportElementFactory
54 ExportElementFactory (Session & session);
55 ~ExportElementFactory ();
57 ExportTimespanPtr add_timespan ();
59 ExportChannelConfigPtr add_channel_config ();
61 ExportFormatSpecPtr add_format ();
62 ExportFormatSpecPtr add_format (XMLNode const & state);
63 ExportFormatSpecPtr add_format_copy (ExportFormatSpecPtr other);
65 ExportFilenamePtr add_filename ();
66 ExportFilenamePtr add_filename_copy (ExportFilenamePtr other);
72 class ExportHandler : public ExportElementFactory
77 FileSpec (ExportChannelConfigPtr channel_config, ExportFormatSpecPtr format,
78 ExportFilenamePtr filename, BroadcastInfoPtr broadcast_info)
79 : channel_config (channel_config)
82 , broadcast_info (broadcast_info)
85 ExportChannelConfigPtr channel_config;
86 ExportFormatSpecPtr format;
87 ExportFilenamePtr filename;
88 BroadcastInfoPtr broadcast_info;
93 /* Stuff for export configs
94 * The multimap maps timespans to file specifications
97 typedef std::pair<ExportTimespanPtr, FileSpec> ConfigPair;
98 typedef std::multimap<ExportTimespanPtr, FileSpec> ConfigMap;
100 typedef boost::shared_ptr<ExportGraphBuilder> GraphBuilderPtr;
103 /* Session::get_export_handler() should be used to obtain an export handler
104 * This ensures that it doesn't go out of scope before finalize_audio_export is called
107 friend boost::shared_ptr<ExportHandler> Session::get_export_handler();
108 ExportHandler (Session & session);
113 bool add_export_config (ExportTimespanPtr timespan, ExportChannelConfigPtr channel_config,
114 ExportFormatSpecPtr format, ExportFilenamePtr filename,
115 BroadcastInfoPtr broadcast_info);
116 void do_export (bool rt = false);
118 std::string get_cd_marker_filename(std::string filename, CDMarkerFormat format);
122 int process (framecnt_t frames);
125 GraphBuilderPtr graph_builder;
126 ExportStatusPtr export_status;
127 ConfigMap config_map;
132 /* Timespan management */
134 void start_timespan ();
135 int process_timespan (framecnt_t frames);
136 int process_normalize ();
137 void finish_timespan ();
139 typedef std::pair<ConfigMap::iterator, ConfigMap::iterator> TimespanBounds;
140 ExportTimespanPtr current_timespan;
141 TimespanBounds timespan_bounds;
143 PBD::ScopedConnection process_connection;
144 framepos_t process_position;
146 /* CD Marker stuff */
148 struct CDMarkerStatus {
149 CDMarkerStatus (std::string out_file, ExportTimespanPtr timespan,
150 ExportFormatSpecPtr format, std::string filename)
151 : out (out_file.c_str()), timespan (timespan), format (format), filename (filename), marker(0)
152 , track_number (1), track_position (0), track_duration (0), track_start_frame (0)
153 , index_number (1), index_position (0)
158 ExportTimespanPtr timespan;
159 ExportFormatSpecPtr format;
160 std::string filename;
164 uint32_t track_number;
165 framepos_t track_position;
166 framepos_t track_duration;
167 framepos_t track_start_frame;
170 uint32_t index_number;
171 framepos_t index_position;
175 void export_cd_marker_file (ExportTimespanPtr timespan, ExportFormatSpecPtr file_format,
176 std::string filename, CDMarkerFormat format);
178 void write_cue_header (CDMarkerStatus & status);
179 void write_toc_header (CDMarkerStatus & status);
181 void write_track_info_cue (CDMarkerStatus & status);
182 void write_track_info_toc (CDMarkerStatus & status);
184 void write_index_info_cue (CDMarkerStatus & status);
185 void write_index_info_toc (CDMarkerStatus & status);
187 void frames_to_cd_frames_string (char* buf, framepos_t when);
188 std::string toc_escape_cdtext (const std::string&);
189 std::string toc_escape_filename (const std::string&);
190 std::string cue_escape_cdtext (const std::string& txt);
196 } // namespace ARDOUR
198 #endif /* __ardour_export_handler_h__ */