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/*
Copyright (C) 2008 Paul Davis
Author: Sakari Bergen
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_export_handler_h__
#define __ardour_export_handler_h__
#include <map>
#include <list>
#include <fstream>
#include <boost/shared_ptr.hpp>
#include <ardour/ardour.h>
#include <ardour/session.h>
#include <ardour/types.h>
namespace ARDOUR
{
class ExportTimespan;
class ExportChannelConfiguration;
class ExportFormatSpecification;
class ExportFilename;
class ExportProcessor;
class ExportElementFactory
{
protected:
typedef boost::shared_ptr<ExportTimespan> TimespanPtr;
typedef boost::shared_ptr<ExportChannelConfiguration> ChannelConfigPtr;
typedef boost::shared_ptr<ExportFormatSpecification> FormatPtr;
typedef boost::shared_ptr<ExportFilename> FilenamePtr;
public:
ExportElementFactory (Session & session);
~ExportElementFactory ();
TimespanPtr add_timespan ();
ChannelConfigPtr add_channel_config ();
FormatPtr add_format ();
FormatPtr add_format (XMLNode const & state);
FormatPtr add_format_copy (FormatPtr other);
FilenamePtr add_filename ();
FilenamePtr add_filename_copy (FilenamePtr other);
private:
Session & session;
};
class ExportHandler : public ExportElementFactory, public sigc::trackable
{
private:
/* Stuff for export configs
* The multimap maps timespans to file specifications
*/
struct FileSpec {
FileSpec (ChannelConfigPtr channel_config, FormatPtr format, FilenamePtr filename) :
channel_config (channel_config),
format (format),
filename (filename)
{}
ChannelConfigPtr channel_config;
FormatPtr format;
FilenamePtr filename;
};
typedef std::pair<TimespanPtr, FileSpec> ConfigPair;
typedef std::multimap<TimespanPtr, FileSpec> ConfigMap;
typedef boost::shared_ptr<ExportProcessor> ProcessorPtr;
private:
/* Session::get_export_handler() should be used to obtain an export handler
* This ensures that it doesn't go out of scope before finalize_audio_export is called
*/
friend boost::shared_ptr<ExportHandler> Session::get_export_handler();
ExportHandler (Session & session);
public:
~ExportHandler ();
bool add_export_config (TimespanPtr timespan, ChannelConfigPtr channel_config, FormatPtr format, FilenamePtr filename);
void do_export (bool rt = false);
private:
Session & session;
ProcessorPtr processor;
ConfigMap config_map;
bool realtime;
sigc::connection files_written_connection;
std::list<Glib::ustring> files_written;
/* CD Marker stuff */
struct CDMarkerStatus {
CDMarkerStatus (string out_file, TimespanPtr timespan, FormatPtr format, string filename) :
out (out_file.c_str()), timespan (timespan), format (format), filename (filename),
track_number (1), track_position (0), track_duration (0), track_start_frame (0),
index_number (1), index_position (0)
{}
/* General info */
std::ofstream out;
TimespanPtr timespan;
FormatPtr format;
string filename;
Location * marker;
/* Track info */
uint32_t track_number;
nframes_t track_position;
nframes_t track_duration;
nframes_t track_start_frame;
/* Index info */
uint32_t index_number;
nframes_t index_position;
};
void export_cd_marker_file (TimespanPtr timespan, FormatPtr file_format, std::string filename, CDMarkerFormat format);
void write_cue_header (CDMarkerStatus & status);
void write_toc_header (CDMarkerStatus & status);
void write_track_info_cue (CDMarkerStatus & status);
void write_track_info_toc (CDMarkerStatus & status);
void write_index_info_cue (CDMarkerStatus & status);
void write_index_info_toc (CDMarkerStatus & status);
void frames_to_cd_frames_string (char* buf, nframes_t when);
int cue_tracknum;
int cue_indexnum;
/* Timespan management */
void start_timespan ();
void finish_timespan ();
void timespan_thread_finished ();
typedef std::pair<ConfigMap::iterator, ConfigMap::iterator> TimespanBounds;
TimespanPtr current_timespan;
ConfigMap::iterator current_map_it;
TimespanBounds timespan_bounds;
sigc::connection channel_config_connection;
};
} // namespace ARDOUR
#endif /* __ardour_export_handler_h__ */
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