libs/ardour/instrument_info.cc

   1 /*
   2     Copyright (C) 2012 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17 */
  18
  19 #include <algorithm>
  20
  21 #include "pbd/compose.h"
  22
  23 #include "midi++/midnam_patch.h"
  24
  25 #include "ardour/instrument_info.h"
  26 #include "ardour/midi_patch_manager.h"
  27 #include "ardour/processor.h"
  28 #include "ardour/plugin.h"
  29 #include "ardour/rc_configuration.h"
  30
  31 #include "i18n.h"
  32
  33 using namespace ARDOUR;
  34 using namespace MIDI::Name;
  35 using std::string;
  36
  37 MIDI::Name::PatchBank::PatchNameList InstrumentInfo::_gm_patches;
  38
  39 InstrumentInfo::InstrumentInfo ()
  40         : external_instrument_model (_("Unknown"))
  41 {
  42 }
  43
  44 InstrumentInfo::~InstrumentInfo ()
  45 {
  46 }
  47
  48 void
  49 InstrumentInfo::set_external_instrument (const string& model, const string& mode)
  50 {
  51         external_instrument_model = model;
  52         external_instrument_mode = mode;
  53         internal_instrument.reset ();
  54         Changed(); /* EMIT SIGNAL */
  55 }
  56
  57 void
  58 InstrumentInfo::set_internal_instrument (boost::shared_ptr<Processor> p)
  59 {
  60         internal_instrument = p;
  61         external_instrument_model = (_("Unknown"));
  62         external_instrument_mode = "";
  63         Changed(); /* EMIT SIGNAL */
  64 }
  65
  66 string
  67 InstrumentInfo::get_instrument_name () const
  68 {
  69         boost::shared_ptr<Processor> p = internal_instrument.lock();
  70
  71         if (p) {
  72                 return p->name();
  73         }
  74
  75         if (external_instrument_mode.empty()) {
  76                 return external_instrument_model;
  77         } else {
  78                 return string_compose ("%1 (%2)", external_instrument_model, external_instrument_mode);
  79         }
  80 }
  81
  82 string
  83 InstrumentInfo::get_patch_name (uint16_t bank, uint8_t program, uint8_t channel) const
  84 {
  85         boost::shared_ptr<Processor> p = internal_instrument.lock();
  86
  87         if (p) {
  88                 return get_plugin_patch_name (p, bank, program, channel);
  89         }
  90
  91         MIDI::Name::PatchPrimaryKey patch_key (bank, program);
  92
  93         boost::shared_ptr<MIDI::Name::Patch> patch =
  94                 MIDI::Name::MidiPatchManager::instance().find_patch (external_instrument_model,
  95                                                                      external_instrument_mode, channel, patch_key);
  96
  97         if (patch) {
  98                 return patch->name();
  99         } else {
 100                 /* program and bank numbers are zero-based: convert to one-based: MIDI_BP_ZERO */
 101
 102 #define MIDI_BP_ZERO ((Config->get_first_midi_bank_is_zero())?0:1)
 103
 104                 return string_compose ("prg %1 bnk %2",program + MIDI_BP_ZERO , bank + MIDI_BP_ZERO);
 105         }
 106 }
 107
 108 boost::shared_ptr<MIDI::Name::ChannelNameSet>
 109 InstrumentInfo::get_patches (uint8_t channel)
 110 {
 111         boost::shared_ptr<Processor> p = internal_instrument.lock();
 112
 113         if (p) {
 114                 return plugin_programs_to_channel_name_set (p);
 115         }
 116
 117         return MidiPatchManager::instance().find_channel_name_set (external_instrument_model,
 118                                                                    external_instrument_mode,
 119                                                                    channel);
 120
 121 }
 122
 123 boost::shared_ptr<MIDI::Name::ChannelNameSet>
 124 InstrumentInfo::plugin_programs_to_channel_name_set (boost::shared_ptr<Processor> p)
 125 {
 126         PatchBank::PatchNameList patch_list;
 127
 128         boost::shared_ptr<PluginInsert> insert = boost::dynamic_pointer_cast<PluginInsert> (p);
 129
 130         if (!insert) {
 131                 return boost::shared_ptr<ChannelNameSet>();
 132         }
 133
 134         boost::shared_ptr<Plugin> pp = insert->plugin();
 135
 136         if (pp->current_preset_uses_general_midi()) {
 137
 138                 patch_list = InstrumentInfo::general_midi_patches ();
 139
 140         } else if (pp->presets_are_MIDI_programs()) {
 141
 142                 std::vector<Plugin::PresetRecord> presets = pp->get_presets ();
 143                 std::vector<Plugin::PresetRecord>::iterator i;
 144                 int n;
 145
 146                 /* XXX note the assumption that plugin presets start their numbering at
 147                  * zero
 148                  */
 149
 150                 for (n = 0, i = presets.begin(); i != presets.end(); ++i, ++n) {
 151                         if ((*i).number >= 0) {
 152                                 patch_list.push_back (boost::shared_ptr<Patch> (new Patch (string_compose ("%1", n), (*i).label)));
 153                         } else {
 154                                 patch_list.push_back (boost::shared_ptr<Patch> (new Patch (string_compose ("%1", n),
 155                                                                                            string_compose ("program %1", n))));
 156                         }
 157                 }
 158         } else {
 159                 for (int n = 0; n < 127; ++n) {
 160                         patch_list.push_back (boost::shared_ptr<Patch> (new Patch (string_compose ("%1", n),
 161                                                                                    string_compose ("program %1", n))));
 162                 }
 163         }
 164
 165         boost::shared_ptr<PatchBank> pb (new PatchBank (p->name()));
 166         pb->set_patch_name_list (patch_list);
 167
 168         ChannelNameSet::PatchBanks patch_banks;
 169         patch_banks.push_back (pb);
 170
 171         boost::shared_ptr<MIDI::Name::ChannelNameSet> cns (new ChannelNameSet);
 172         cns->set_patch_banks (patch_banks);
 173
 174         return cns;
 175 }
 176
 177 const MIDI::Name::PatchBank::PatchNameList&
 178 InstrumentInfo::general_midi_patches()
 179 {
 180         if (_gm_patches.empty()) {
 181                 for (int n = 0; n < 128; n++) {
 182                         _gm_patches.push_back (boost::shared_ptr<Patch> (new Patch (string_compose ("%1", n), general_midi_program_names[n])));
 183                 }
 184         }
 185
 186         return _gm_patches;
 187 }
 188
 189 string
 190 InstrumentInfo::get_plugin_patch_name (boost::shared_ptr<Processor> p, uint16_t bank, uint8_t program, uint8_t channel) const
 191 {
 192         boost::shared_ptr<PluginInsert> insert = boost::dynamic_pointer_cast<PluginInsert> (p);
 193
 194         if (insert) {
 195                 boost::shared_ptr<Plugin> pp = insert->plugin();
 196
 197                 if (pp->current_preset_uses_general_midi()) {
 198                         return MIDI::Name::general_midi_program_names[std::min((uint8_t) 127,program)];
 199                 }
 200         }
 201
 202         return string_compose (_("preset %1 (bank %2)"), (int) program, (int) bank);
 203 }