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"
34 namespace AudioGrapher {
42 class ExportChannelConfiguration;
43 class ExportFormatSpecification;
45 class ExportGraphBuilder;
48 class ExportElementFactory
51 typedef boost::shared_ptr<ExportTimespan> TimespanPtr;
52 typedef boost::shared_ptr<ExportChannelConfiguration> ChannelConfigPtr;
53 typedef boost::shared_ptr<ExportFormatSpecification> FormatPtr;
54 typedef boost::shared_ptr<ExportFilename> FilenamePtr;
58 ExportElementFactory (Session & session);
59 ~ExportElementFactory ();
61 TimespanPtr add_timespan ();
63 ChannelConfigPtr add_channel_config ();
65 FormatPtr add_format ();
66 FormatPtr add_format (XMLNode const & state);
67 FormatPtr add_format_copy (FormatPtr other);
69 FilenamePtr add_filename ();
70 FilenamePtr add_filename_copy (FilenamePtr other);
76 class ExportHandler : public ExportElementFactory
81 FileSpec (ChannelConfigPtr channel_config, FormatPtr format, FilenamePtr filename, boost::shared_ptr<AudioGrapher::BroadcastInfo> broadcast_info)
82 : channel_config (channel_config)
85 , broadcast_info (broadcast_info)
88 ChannelConfigPtr channel_config;
91 boost::shared_ptr<AudioGrapher::BroadcastInfo> broadcast_info;
96 /* Stuff for export configs
97 * The multimap maps timespans to file specifications
100 typedef std::pair<TimespanPtr, FileSpec> ConfigPair;
101 typedef std::multimap<TimespanPtr, FileSpec> ConfigMap;
103 typedef boost::shared_ptr<ExportGraphBuilder> GraphBuilderPtr;
104 typedef boost::shared_ptr<ExportStatus> StatusPtr;
107 /* Session::get_export_handler() should be used to obtain an export handler
108 * This ensures that it doesn't go out of scope before finalize_audio_export is called
111 friend boost::shared_ptr<ExportHandler> Session::get_export_handler();
112 ExportHandler (Session & session);
117 bool add_export_config (TimespanPtr timespan, ChannelConfigPtr channel_config, FormatPtr format, FilenamePtr filename, boost::shared_ptr<AudioGrapher::BroadcastInfo> broadcast_info);
118 void do_export (bool rt = false);
122 int process (nframes_t frames);
125 GraphBuilderPtr graph_builder;
126 StatusPtr export_status;
127 ConfigMap config_map;
132 /* Timespan management */
134 void start_timespan ();
135 int process_timespan (nframes_t frames);
136 int process_normalize ();
137 void finish_timespan ();
139 typedef std::pair<ConfigMap::iterator, ConfigMap::iterator> TimespanBounds;
140 TimespanPtr 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, TimespanPtr timespan, FormatPtr format, std::string filename) :
150 out (out_file.c_str()), timespan (timespan), format (format), filename (filename), marker(0),
151 track_number (1), track_position (0), track_duration (0), track_start_frame (0),
152 index_number (1), index_position (0)
157 TimespanPtr timespan;
159 std::string filename;
163 uint32_t track_number;
164 framepos_t track_position;
165 framepos_t track_duration;
166 framepos_t track_start_frame;
169 uint32_t index_number;
170 framepos_t index_position;
174 void export_cd_marker_file (TimespanPtr timespan, FormatPtr file_format, std::string filename, CDMarkerFormat format);
176 void write_cue_header (CDMarkerStatus & status);
177 void write_toc_header (CDMarkerStatus & status);
179 void write_track_info_cue (CDMarkerStatus & status);
180 void write_track_info_toc (CDMarkerStatus & status);
182 void write_index_info_cue (CDMarkerStatus & status);
183 void write_index_info_toc (CDMarkerStatus & status);
185 void frames_to_cd_frames_string (char* buf, framepos_t when);
191 } // namespace ARDOUR
193 #endif /* __ardour_export_handler_h__ */