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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 <fstream>
#include <boost/operators.hpp>
#include <boost/shared_ptr.hpp>
#include "ardour/export_pointers.h"
#include "ardour/session.h"
#include "ardour/types.h"
namespace AudioGrapher {
class BroadcastInfo;
}
namespace ARDOUR
{
class ExportTimespan;
class ExportChannelConfiguration;
class ExportFormatSpecification;
class ExportFilename;
class ExportGraphBuilder;
class Location;
class ExportElementFactory
{
public:
ExportElementFactory (Session & session);
~ExportElementFactory ();
ExportTimespanPtr add_timespan ();
ExportChannelConfigPtr add_channel_config ();
ExportFormatSpecPtr add_format ();
ExportFormatSpecPtr add_format (XMLNode const & state);
ExportFormatSpecPtr add_format_copy (ExportFormatSpecPtr other);
ExportFilenamePtr add_filename ();
ExportFilenamePtr add_filename_copy (ExportFilenamePtr other);
private:
Session & session;
};
class ExportHandler : public ExportElementFactory
{
public:
struct FileSpec {
FileSpec() {}
FileSpec (ExportChannelConfigPtr channel_config, ExportFormatSpecPtr format,
ExportFilenamePtr filename, BroadcastInfoPtr broadcast_info)
: channel_config (channel_config)
, format (format)
, filename (filename)
, broadcast_info (broadcast_info)
{}
ExportChannelConfigPtr channel_config;
ExportFormatSpecPtr format;
ExportFilenamePtr filename;
BroadcastInfoPtr broadcast_info;
};
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 (ExportTimespanPtr timespan, ExportChannelConfigPtr channel_config,
ExportFormatSpecPtr format, ExportFilenamePtr filename,
BroadcastInfoPtr broadcast_info);
void do_export ();
std::string get_cd_marker_filename(std::string filename, CDMarkerFormat format);
private:
int process (framecnt_t frames);
Session & session;
boost::shared_ptr<ExportGraphBuilder> graph_builder;
ExportStatusPtr export_status;
/* The timespan and corresponding file specifications that we are exporting;
there can be multiple FileSpecs for each ExportTimespan.
*/
typedef std::multimap<ExportTimespanPtr, FileSpec> ConfigMap;
ConfigMap config_map;
bool normalizing;
/* Timespan management */
void start_timespan ();
int process_timespan (framecnt_t frames);
int process_normalize ();
void finish_timespan ();
typedef std::pair<ConfigMap::iterator, ConfigMap::iterator> TimespanBounds;
ExportTimespanPtr current_timespan;
TimespanBounds timespan_bounds;
PBD::ScopedConnection process_connection;
framepos_t process_position;
/* CD Marker stuff */
struct CDMarkerStatus {
CDMarkerStatus (std::string out_file, ExportTimespanPtr timespan,
ExportFormatSpecPtr format, std::string filename)
: out (out_file.c_str()), timespan (timespan), format (format), filename (filename), marker(0)
, track_number (1), track_position (0), track_duration (0), track_start_frame (0)
, index_number (1), index_position (0)
{}
/* General info */
std::ofstream out;
ExportTimespanPtr timespan;
ExportFormatSpecPtr format;
std::string filename;
Location * marker;
/* Track info */
uint32_t track_number;
framepos_t track_position;
framepos_t track_duration;
framepos_t track_start_frame;
/* Index info */
uint32_t index_number;
framepos_t index_position;
};
void export_cd_marker_file (ExportTimespanPtr timespan, ExportFormatSpecPtr 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, framepos_t when);
std::string toc_escape_cdtext (const std::string&);
std::string toc_escape_filename (const std::string&);
std::string cue_escape_cdtext (const std::string& txt);
int cue_tracknum;
int cue_indexnum;
};
} // namespace ARDOUR
#endif /* __ardour_export_handler_h__ */
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