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__
26 #include <boost/operators.hpp>
27 #include <boost/shared_ptr.hpp>
29 #include "pbd/gstdio_compat.h"
31 #include "ardour/export_pointers.h"
32 #include "ardour/session.h"
33 #include "ardour/libardour_visibility.h"
34 #include "ardour/types.h"
35 #include "pbd/signals.h"
39 namespace AudioGrapher {
47 class ExportChannelConfiguration;
48 class ExportFormatSpecification;
50 class ExportGraphBuilder;
53 class LIBARDOUR_API ExportElementFactory
57 ExportElementFactory (Session & session);
58 ~ExportElementFactory ();
60 ExportTimespanPtr add_timespan ();
62 ExportChannelConfigPtr add_channel_config ();
64 ExportFormatSpecPtr add_format ();
65 ExportFormatSpecPtr add_format (XMLNode const & state);
66 ExportFormatSpecPtr add_format_copy (ExportFormatSpecPtr other);
68 ExportFilenamePtr add_filename ();
69 ExportFilenamePtr add_filename_copy (ExportFilenamePtr other);
75 class LIBARDOUR_API ExportHandler : public ExportElementFactory, public sigc::trackable
80 FileSpec (ExportChannelConfigPtr channel_config, ExportFormatSpecPtr format,
81 ExportFilenamePtr filename, BroadcastInfoPtr broadcast_info)
82 : channel_config (channel_config)
85 , broadcast_info (broadcast_info)
88 ExportChannelConfigPtr channel_config;
89 ExportFormatSpecPtr format;
90 ExportFilenamePtr filename;
91 BroadcastInfoPtr broadcast_info;
95 /* Session::get_export_handler() should be used to obtain an export handler
96 * This ensures that it doesn't go out of scope before finalize_audio_export is called
99 friend boost::shared_ptr<ExportHandler> Session::get_export_handler();
100 ExportHandler (Session & session);
102 void command_output(std::string output, size_t size);
107 bool add_export_config (ExportTimespanPtr timespan, ExportChannelConfigPtr channel_config,
108 ExportFormatSpecPtr format, ExportFilenamePtr filename,
109 BroadcastInfoPtr broadcast_info);
112 std::string get_cd_marker_filename(std::string filename, CDMarkerFormat format);
114 /** signal emitted when soundcloud export reports progress updates during upload.
115 * The parameters are total and current bytes downloaded, and the current filename
117 PBD::Signal3<void, double, double, std::string> SoundcloudProgress;
119 /* upload credentials & preferences */
120 std::string soundcloud_username;
121 std::string soundcloud_password;
122 bool soundcloud_make_public;
123 bool soundcloud_open_page;
124 bool soundcloud_downloadable;
128 void handle_duplicate_format_extensions();
129 int process (framecnt_t frames);
132 boost::shared_ptr<ExportGraphBuilder> graph_builder;
133 ExportStatusPtr export_status;
135 /* The timespan and corresponding file specifications that we are exporting;
136 there can be multiple FileSpecs for each ExportTimespan.
138 typedef std::multimap<ExportTimespanPtr, FileSpec> ConfigMap;
139 ConfigMap config_map;
143 /* Timespan management */
145 void start_timespan ();
146 int process_timespan (framecnt_t frames);
147 int process_normalize ();
148 void finish_timespan ();
150 typedef std::pair<ConfigMap::iterator, ConfigMap::iterator> TimespanBounds;
151 ExportTimespanPtr current_timespan;
152 TimespanBounds timespan_bounds;
154 PBD::ScopedConnection process_connection;
155 framepos_t process_position;
157 /* CD Marker stuff */
159 struct CDMarkerStatus {
160 CDMarkerStatus (std::string out_file, ExportTimespanPtr timespan,
161 ExportFormatSpecPtr format, std::string filename)
163 , timespan (timespan)
165 , filename (filename)
170 , track_start_frame (0)
176 if (!g_file_set_contents (path.c_str(), out.str().c_str(), -1, NULL)) {
177 PBD::error << string_compose(_("Editor: cannot open \"%1\" as export file for CD marker file"), path) << endmsg;
184 std::stringstream out;
187 ExportTimespanPtr timespan;
188 ExportFormatSpecPtr format;
189 std::string filename;
193 uint32_t track_number;
194 framepos_t track_position;
195 framepos_t track_duration;
196 framepos_t track_start_frame;
199 uint32_t index_number;
200 framepos_t index_position;
204 void export_cd_marker_file (ExportTimespanPtr timespan, ExportFormatSpecPtr file_format,
205 std::string filename, CDMarkerFormat format);
207 void write_cue_header (CDMarkerStatus & status);
208 void write_toc_header (CDMarkerStatus & status);
209 void write_mp4ch_header (CDMarkerStatus & status);
211 void write_track_info_cue (CDMarkerStatus & status);
212 void write_track_info_toc (CDMarkerStatus & status);
213 void write_track_info_mp4ch (CDMarkerStatus & status);
215 void write_index_info_cue (CDMarkerStatus & status);
216 void write_index_info_toc (CDMarkerStatus & status);
217 void write_index_info_mp4ch (CDMarkerStatus & status);
219 void frames_to_cd_frames_string (char* buf, framepos_t when);
220 void frames_to_chapter_marks_string (char* buf, framepos_t when);
222 std::string toc_escape_cdtext (const std::string&);
223 std::string toc_escape_filename (const std::string&);
224 std::string cue_escape_cdtext (const std::string& txt);
230 } // namespace ARDOUR
232 #endif /* __ardour_export_handler_h__ */