libs/ardour/ardour/export_format_manager.h

   1 /*
   2     Copyright (C) 2008 Paul Davis
   3     Author: Sakari Bergen
   4
   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.
   9
  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.
  14
  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.
  18
  19 */
  20
  21 #ifndef __ardour_export_format_manager_h__
  22 #define __ardour_export_format_manager_h__
  23
  24 #include <list>
  25 #include <string>
  26
  27 #include <boost/shared_ptr.hpp>
  28
  29 #include "pbd/signals.h"
  30
  31 #include "ardour/export_formats.h"
  32 #include "ardour/export_pointers.h"
  33
  34 namespace ARDOUR
  35 {
  36
  37 class ExportFormat;
  38 class ExportFormatCompatibility;
  39 class ExportFormatSpecification;
  40 class AnyTime;
  41
  42 class LIBARDOUR_API ExportFormatManager : public PBD::ScopedConnectionList
  43 {
  44   public:
  45
  46         typedef std::list<ExportFormatCompatibilityPtr> CompatList;
  47         typedef std::list<ExportFormatPtr> FormatList;
  48
  49         typedef HasSampleFormat::SampleFormatPtr SampleFormatPtr;
  50         typedef HasSampleFormat::SampleFormatList SampleFormatList;
  51         typedef HasSampleFormat::WeakSampleFormatPtr WeakSampleFormatPtr;
  52
  53         typedef HasSampleFormat::DitherTypePtr DitherTypePtr;
  54         typedef HasSampleFormat::WeakDitherTypePtr WeakDitherTypePtr;
  55
  56         /* Quality states */
  57
  58         class QualityState : public ExportFormatBase::SelectableCompatible {
  59         public:
  60                 QualityState (ExportFormatBase::Quality quality, std::string name) :
  61                         quality (quality) { set_name (name); }
  62                 ExportFormatBase::Quality  quality;
  63         };
  64         typedef boost::shared_ptr<QualityState> QualityPtr;
  65         typedef boost::weak_ptr<QualityState> WeakQualityPtr;
  66         typedef std::list<QualityPtr> QualityList;
  67
  68         /* Sample rate states */
  69
  70         class SampleRateState : public ExportFormatBase::SelectableCompatible {
  71           public:
  72                 SampleRateState (ExportFormatBase::SampleRate rate, std::string name)
  73                         : rate (rate) { set_name (name); }
  74                 ExportFormatBase::SampleRate  rate;
  75         };
  76         typedef boost::shared_ptr<SampleRateState> SampleRatePtr;
  77         typedef boost::weak_ptr<SampleRateState> WeakSampleRatePtr;
  78         typedef std::list<SampleRatePtr> SampleRateList;
  79
  80   public:
  81
  82         explicit ExportFormatManager (ExportFormatSpecPtr specification);
  83         ~ExportFormatManager ();
  84
  85         /* Signals */
  86
  87         PBD::Signal1<void,bool> CompleteChanged;
  88         PBD::Signal0<void> DescriptionChanged;
  89
  90         /* Access to lists */
  91
  92         CompatList const & get_compatibilities () { return compatibilities; }
  93         QualityList const & get_qualities () { return qualities; }
  94         FormatList const & get_formats () { return formats; }
  95         SampleRateList const & get_sample_rates () { return sample_rates; }
  96
  97         /* Non interactive selections */
  98
  99         void set_name (std::string name);
 100
 101         void select_with_cue (bool);
 102         void select_with_toc (bool);
 103         void select_src_quality (ExportFormatBase::SRCQuality value);
 104         void select_trim_beginning (bool value);
 105         void select_silence_beginning (AnyTime const & time);
 106         void select_trim_end (bool value);
 107         void select_silence_end (AnyTime const & time);
 108         void select_normalize (bool value);
 109         void select_normalize_target (float value);
 110         void select_tagging (bool tag);
 111
 112   private:
 113
 114         void init_compatibilities ();
 115         void init_qualities ();
 116         void init_formats ();
 117         void init_sample_rates ();
 118
 119         void add_compatibility (ExportFormatCompatibilityPtr ptr);
 120         void add_quality (QualityPtr ptr);
 121         void add_format (ExportFormatPtr ptr);
 122         void add_sample_rate (SampleRatePtr ptr);
 123
 124         /* Connected to signals */
 125
 126         void change_compatibility_selection (bool select, WeakExportFormatCompatibilityPtr const & compat);
 127         void change_quality_selection (bool select, WeakQualityPtr const & quality);
 128         void change_format_selection (bool select, WeakExportFormatPtr const & format);
 129         void change_sample_rate_selection (bool select, WeakSampleRatePtr const & rate);
 130
 131         void change_sample_format_selection (bool select, WeakSampleFormatPtr const & format);
 132         void change_dither_type_selection (bool select, WeakDitherTypePtr const & type);
 133
 134         /* Do actual selection */
 135
 136         void select_compatibility (WeakExportFormatCompatibilityPtr const & compat);
 137         void select_quality (QualityPtr const & quality);
 138         void select_format (ExportFormatPtr const & format);
 139         void select_sample_rate (SampleRatePtr const & rate);
 140
 141         void select_sample_format (SampleFormatPtr const & format);
 142         void select_dither_type (DitherTypePtr const & type);
 143
 144         bool pending_selection_change;
 145         void selection_changed ();
 146         void check_for_description_change ();
 147
 148         /* Formats and compatibilities */
 149
 150         QualityPtr    get_selected_quality ();
 151         ExportFormatPtr     get_selected_format ();
 152         SampleRatePtr get_selected_sample_rate ();
 153
 154         SampleFormatPtr get_selected_sample_format ();
 155
 156         ExportFormatBasePtr get_compatibility_intersection ();
 157
 158         ExportFormatBasePtr   universal_set;
 159         ExportFormatSpecPtr   current_selection;
 160
 161         CompatList      compatibilities;
 162         QualityList     qualities;
 163         FormatList      formats;
 164         SampleRateList  sample_rates;
 165
 166         std::string     prev_description;
 167
 168 };
 169
 170 } // namespace ARDOUR
 171
 172 #endif /* __ardour_export_format_manager_h__ */