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/libardour_visibility.h"
33 #include "ardour/types.h"
34 #include "pbd/signals.h"
36 namespace AudioGrapher {
44 class ExportChannelConfiguration;
45 class ExportFormatSpecification;
47 class ExportGraphBuilder;
50 class LIBARDOUR_API 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 LIBARDOUR_API ExportHandler : public ExportElementFactory, public sigc::trackable
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;
92 /* Session::get_export_handler() should be used to obtain an export handler
93 * This ensures that it doesn't go out of scope before finalize_audio_export is called
96 friend boost::shared_ptr<ExportHandler> Session::get_export_handler();
97 ExportHandler (Session & session);
99 void command_output(std::string output, size_t size);
104 bool add_export_config (ExportTimespanPtr timespan, ExportChannelConfigPtr channel_config,
105 ExportFormatSpecPtr format, ExportFilenamePtr filename,
106 BroadcastInfoPtr broadcast_info);
109 std::string get_cd_marker_filename(std::string filename, CDMarkerFormat format);
111 /** signal emitted when soundcloud export reports progress updates during upload.
112 * The parameters are total and current bytes downloaded, and the current filename
114 PBD::Signal3<void, double, double, std::string> SoundcloudProgress;
116 /* upload credentials & preferences */
117 std::string soundcloud_username;
118 std::string soundcloud_password;
119 bool soundcloud_make_public;
120 bool soundcloud_open_page;
121 bool soundcloud_downloadable;
125 void handle_duplicate_format_extensions();
126 int process (framecnt_t frames);
129 boost::shared_ptr<ExportGraphBuilder> graph_builder;
130 ExportStatusPtr export_status;
132 /* The timespan and corresponding file specifications that we are exporting;
133 there can be multiple FileSpecs for each ExportTimespan.
135 typedef std::multimap<ExportTimespanPtr, FileSpec> ConfigMap;
136 ConfigMap config_map;
140 /* Timespan management */
142 void start_timespan ();
143 int process_timespan (framecnt_t frames);
144 int process_normalize ();
145 void finish_timespan ();
147 typedef std::pair<ConfigMap::iterator, ConfigMap::iterator> TimespanBounds;
148 ExportTimespanPtr current_timespan;
149 TimespanBounds timespan_bounds;
151 PBD::ScopedConnection process_connection;
152 framepos_t process_position;
154 /* CD Marker stuff */
156 struct CDMarkerStatus {
157 CDMarkerStatus (std::string out_file, ExportTimespanPtr timespan,
158 ExportFormatSpecPtr format, std::string filename)
159 : out (out_file.c_str()), timespan (timespan), format (format), filename (filename), marker(0)
160 , track_number (1), track_position (0), track_duration (0), track_start_frame (0)
161 , index_number (1), index_position (0)
166 ExportTimespanPtr timespan;
167 ExportFormatSpecPtr format;
168 std::string filename;
172 uint32_t track_number;
173 framepos_t track_position;
174 framepos_t track_duration;
175 framepos_t track_start_frame;
178 uint32_t index_number;
179 framepos_t index_position;
183 void export_cd_marker_file (ExportTimespanPtr timespan, ExportFormatSpecPtr file_format,
184 std::string filename, CDMarkerFormat format);
186 void write_cue_header (CDMarkerStatus & status);
187 void write_toc_header (CDMarkerStatus & status);
189 void write_track_info_cue (CDMarkerStatus & status);
190 void write_track_info_toc (CDMarkerStatus & status);
192 void write_index_info_cue (CDMarkerStatus & status);
193 void write_index_info_toc (CDMarkerStatus & status);
195 void frames_to_cd_frames_string (char* buf, framepos_t when);
196 std::string toc_escape_cdtext (const std::string&);
197 std::string toc_escape_filename (const std::string&);
198 std::string cue_escape_cdtext (const std::string& txt);
204 } // namespace ARDOUR
206 #endif /* __ardour_export_handler_h__ */