export_profile_manager.h

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/*
 * Copyright (C) 2008-2013 Sakari Bergen <sakari.bergen@beatwaves.net>
 * Copyright (C) 2008-2017 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2009-2010 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2009-2011 David Robillard <d@drobilla.net>
 * Copyright (C) 2012-2013 Tim Mayberry <mojofunk@gmail.com>
 * Copyright (C) 2016-2018 Robin Gareus <robin@gareus.org>
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef __ardour_export_profile_manager_h__
#define __ardour_export_profile_manager_h__
 
#include <list>
#include <map>
#include <memory>
#include <stdexcept>
#include <string>
#include <vector>
 
#include "pbd/file_utils.h"
#include "pbd/uuid.h"
#include "pbd/xml++.h"
 
#include "ardour/export_handler.h"
#include "ardour/filesystem_paths.h"
#include "ardour/libardour_visibility.h"
#include "ardour/location.h"
#include "ardour/types.h"
 
namespace ARDOUR
{
class ExportHandler;
class Location;
class Session;
 
class LIBARDOUR_API ExportProfileManager
{
public:
        enum ExportType {
                RegularExport,
                RangeExport,
                SelectionExport,
                RegionExport,
                StemExport
        };
 
        ExportProfileManager (Session& s, ExportType type);
        ~ExportProfileManager ();
 
        void load_profile ();
        void prepare_for_export ();
 
        ExportType type () const { return _type; }
 
        typedef std::list<ExportPresetPtr> PresetList;
 
        PresetList const& get_presets () { return preset_list; }
        ExportPresetPtr preset () const { return current_preset; }
 
        bool            load_preset (ExportPresetPtr preset);
        ExportPresetPtr new_preset (std::string const& name);
        ExportPresetPtr save_preset (std::string const& name);
        void            remove_preset ();
 
private:
        typedef std::shared_ptr<ExportHandler> HandlerPtr;
 
        typedef std::pair<PBD::UUID, std::string> FilePair;
        typedef std::map<PBD::UUID, std::string>  FileMap;
 
        ExportType  _type;
        std::string xml_node_name;
        HandlerPtr  handler;
        Session&    session;
 
        std::string preset_filename (std::string const& preset_name);
        void        load_presets ();
        void        load_preset_from_disk (std::string const& path);
 
        bool set_state (XMLNode const& root);
        bool set_global_state (XMLNode const& root);
        bool set_local_state (XMLNode const& root);
 
        void serialize_profile (XMLNode& root);
        void serialize_global_profile (XMLNode& root);
        void serialize_local_profile (XMLNode& root);
 
        PresetList      preset_list;
        ExportPresetPtr current_preset;
        FileMap         preset_file_map;
 
        std::vector<std::string> find_file (std::string const& pattern);
 
        std::string     export_config_dir;
        PBD::Searchpath search_path;
 
        /* Timespans */
public:
        typedef std::list<ExportTimespanPtr>    TimespanList;
        typedef std::shared_ptr<TimespanList> TimespanListPtr;
        typedef std::list<Location*>            LocationList;
 
        enum TimeFormat {
                Timecode,
                BBT,
                MinSec,
                Samples,
        };
 
        struct TimespanState {
                TimespanListPtr timespans;
                TimeFormat      time_format;
 
                std::shared_ptr<Location>     selection_range;
                std::shared_ptr<LocationList> ranges;
 
                TimespanState (std::shared_ptr<Location>     selection_range,
                               std::shared_ptr<LocationList> ranges)
                    : timespans (new TimespanList ())
                    , time_format (Timecode)
                    , selection_range (selection_range)
                    , ranges (ranges)
                {
                }
        };
 
        typedef std::shared_ptr<TimespanState> TimespanStatePtr;
        typedef std::list<TimespanStatePtr>      TimespanStateList;
 
        void        set_selection_range (samplepos_t start = 0, samplepos_t end = 0);
        std::string set_single_range (samplepos_t start, samplepos_t end, std::string name);
 
        TimespanStateList const& get_timespans () { return check_list (timespans); }
 
private:
        TimespanStateList timespans;
 
        bool init_timespans (XMLNodeList nodes);
 
        TimespanStatePtr deserialize_timespan (XMLNode& root);
        XMLNode&         serialize_timespan (TimespanStatePtr state);
 
        /* Locations */
        void update_ranges ();
 
        std::shared_ptr<Location>     selection_range;
        std::shared_ptr<LocationList> ranges;
        std::shared_ptr<Location>     single_range;
 
        bool single_range_mode;
 
        /* Channel Configs */
public:
        struct ChannelConfigState {
                ExportChannelConfigPtr config;
 
                ChannelConfigState (ExportChannelConfigPtr ptr)
                    : config (ptr)
                {
                }
        };
 
        typedef std::shared_ptr<ChannelConfigState> ChannelConfigStatePtr;
        typedef std::list<ChannelConfigStatePtr>      ChannelConfigStateList;
 
        ChannelConfigStateList const& get_channel_configs () { return check_list (channel_configs); }
 
        void clear_channel_configs () { channel_configs.clear (); }
 
        ChannelConfigStatePtr add_channel_config ();
 
private:
        ChannelConfigStateList channel_configs;
 
        bool init_channel_configs (XMLNodeList nodes);
 
        /* Formats */
public:
        typedef std::list<ExportFormatSpecPtr> FormatList;
 
        struct FormatState {
                std::shared_ptr<FormatList const> list;
                ExportFormatSpecPtr                 format;
 
                FormatState (std::shared_ptr<FormatList const> list, ExportFormatSpecPtr format)
                    : list (list)
                    , format (format)
                {
                }
        };
 
        typedef std::shared_ptr<FormatState> FormatStatePtr;
        typedef std::list<FormatStatePtr>      FormatStateList;
 
        FormatStateList const& get_formats () { return check_list (formats); }
 
        FormatStatePtr duplicate_format_state (FormatStatePtr state);
        void           remove_format_state (FormatStatePtr state);
 
        std::string save_format_to_disk (ExportFormatSpecPtr format);
        void        remove_format_profile (ExportFormatSpecPtr format);
        void        revert_format_profile (ExportFormatSpecPtr format);
 
        ExportFormatSpecPtr get_new_format (ExportFormatSpecPtr original);
 
        PBD::Signal0<void> FormatListChanged;
 
private:
        FormatStateList formats;
 
        bool           init_formats (XMLNodeList nodes);
        FormatStatePtr deserialize_format (XMLNode& root);
        XMLNode&       serialize_format (FormatStatePtr state);
 
        void load_formats ();
 
        ExportFormatSpecPtr load_format (XMLNode& node);
        void                load_format_from_disk (std::string const& path);
 
        std::shared_ptr<FormatList> format_list;
        FileMap                       format_file_map;
 
        /* Filenames */
public:
        struct FilenameState {
                ExportFilenamePtr filename;
 
                FilenameState (ExportFilenamePtr ptr)
                    : filename (ptr)
                {
                }
        };
 
        typedef std::shared_ptr<FilenameState> FilenameStatePtr;
        typedef std::list<FilenameStatePtr>      FilenameStateList;
 
        FilenameStateList const& get_filenames () { return check_list (filenames); }
 
        FilenameStatePtr duplicate_filename_state (FilenameStatePtr state);
        void             remove_filename_state (FilenameStatePtr state);
 
        std::string get_sample_filename_for_format (ExportFilenamePtr filename, ExportFormatSpecPtr format);
 
private:
        FilenameStateList filenames;
 
        bool              init_filenames (XMLNodeList nodes);
        ExportFilenamePtr load_filename (XMLNode& node);
 
        /* Warnings */
public:
        struct Warnings {
                std::list<std::string> errors;
                std::list<std::string> warnings;
                std::list<std::string> conflicting_filenames;
        };
 
        std::shared_ptr<Warnings> get_warnings ();
 
private:
        void check_config (std::shared_ptr<Warnings> warnings,
                           TimespanStatePtr            timespan_state,
                           ExportChannelConfigPtr      channel_config,
                           FormatStatePtr              format_state,
                           FilenameStatePtr            filename_state);
 
        bool check_format (ExportFormatSpecPtr format, uint32_t channels);
        bool check_sndfile_format (ExportFormatSpecPtr format, unsigned int channels);
 
        /* Utilities */
 
        void build_filenames (std::list<std::string>& result, ExportFilenamePtr filename,
                              TimespanListPtr timespans, ExportChannelConfigPtr channel_config,
                              ExportFormatSpecPtr format);
 
        /* Element state lists should never be empty, this is used to check them */
        template <typename T>
        std::list<T> const&
        check_list (std::list<T> const& list)
        {
                if (list.empty ()) {
                        throw std::runtime_error ("Programming error: Uninitialized list in ExportProfileManager");
                }
                return list;
        }
};
 
} // namespace ARDOUR
 
#endif /* __ardour_export_profile_manager_h__ */