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
  49 void
  50 InstrumentInfo::set_external_instrument (const string& model, const string& mode)
  51 {
  52         external_instrument_model = model;
  53         external_instrument_mode = mode;
  54         internal_instrument.reset ();
  55         Changed(); /* EMIT SIGNAL */
  56 }
  57
  58 void
  59 InstrumentInfo::set_internal_instrument (boost::shared_ptr<Processor> p)
  60 {
  61         internal_instrument = p;
  62         external_instrument_model = (_("Unknown"));
  63         external_instrument_mode = "";
  64         Changed(); /* EMIT SIGNAL */
  65 }
  66
  67 string
  68 InstrumentInfo::get_instrument_name () const
  69 {
  70         boost::shared_ptr<Processor> p = internal_instrument.lock();
  71
  72         if (p) {
  73                 return p->name();
  74         }
  75
  76         if (external_instrument_mode.empty()) {
  77                 return external_instrument_model;
  78         } else {
  79                 return string_compose ("%1 (%2)", external_instrument_model, external_instrument_mode);
  80         }
  81 }
  82
  83 string
  84 InstrumentInfo::get_patch_name (uint16_t bank, uint8_t program, uint8_t channel) const
  85 {
  86         boost::shared_ptr<Processor> p = internal_instrument.lock();
  87
  88         if (p) {
  89                 return get_plugin_patch_name (p, bank, program, channel);
  90         }
  91
  92         MIDI::Name::PatchPrimaryKey patch_key (program, bank);
  93
  94         boost::shared_ptr<MIDI::Name::Patch> patch =
  95                 MIDI::Name::MidiPatchManager::instance().find_patch (external_instrument_model,
  96                                                                      external_instrument_mode, channel, patch_key);
  97
  98         if (patch) {
  99                 return patch->name();
 100         } else {
 101                 /* program and bank numbers are zero-based: convert to one-based: MIDI_BP_ZERO */
 102
 103 #define MIDI_BP_ZERO ((Config->get_first_midi_bank_is_zero())?0:1)
 104
 105                 return string_compose ("prg %1 bnk %2",program + MIDI_BP_ZERO , bank + MIDI_BP_ZERO);
 106         }
 107 }
 108
 109 boost::shared_ptr<MIDI::Name::ChannelNameSet>
 110 InstrumentInfo::get_patches (uint8_t channel)
 111 {
 112         boost::shared_ptr<Processor> p = internal_instrument.lock();
 113
 114         if (p) {
 115                 return plugin_programs_to_channel_name_set (p);
 116         }
 117
 118         boost::shared_ptr<MIDI::Name::ChannelNameSet> channel_name_set =
 119                 MidiPatchManager::instance().find_channel_name_set (external_instrument_model,
 120                                                                                                                     external_instrument_mode,
 121                                                                                                                     channel);
 122
 123         //std::cerr << "got channel name set with name '" << channel_name_set->name() << std::endl;
 124
 125         return channel_name_set;
 126 }
 127
 128 boost::shared_ptr<MIDI::Name::ChannelNameSet>
 129 InstrumentInfo::plugin_programs_to_channel_name_set (boost::shared_ptr<Processor> p)
 130 {
 131         PatchBank::PatchNameList patch_list;
 132
 133         boost::shared_ptr<PluginInsert> insert = boost::dynamic_pointer_cast<PluginInsert> (p);
 134
 135         if (!insert) {
 136                 return boost::shared_ptr<ChannelNameSet>();
 137         }
 138
 139         boost::shared_ptr<Plugin> pp = insert->plugin();
 140
 141         if (pp->current_preset_uses_general_midi()) {
 142
 143                 patch_list = InstrumentInfo::general_midi_patches ();
 144
 145         } else if (pp->presets_are_MIDI_programs()) {
 146
 147                 std::vector<Plugin::PresetRecord> presets = pp->get_presets ();
 148                 std::vector<Plugin::PresetRecord>::iterator i;
 149                 int n;
 150
 151                 /* XXX note the assumption that plugin presets start their numbering at
 152                  * zero
 153                  */
 154
 155                 for (n = 0, i = presets.begin(); i != presets.end(); ++i, ++n) {
 156                         if ((*i).number >= 0) {
 157                                 patch_list.push_back (boost::shared_ptr<Patch> (new Patch ((*i).label, n)));
 158                         } else {
 159                                 patch_list.push_back (boost::shared_ptr<Patch> (new Patch (string_compose ("program %1", n), n)));
 160                         }
 161                 }
 162         } else {
 163                 for (int n = 0; n < 127; ++n) {
 164                         patch_list.push_back (boost::shared_ptr<Patch> (new Patch (string_compose ("program %1", n), n)));
 165                 }
 166         }
 167
 168         boost::shared_ptr<PatchBank> pb (new PatchBank (0, p->name()));
 169         pb->set_patch_name_list (patch_list);
 170
 171         ChannelNameSet::PatchBanks patch_banks;
 172         patch_banks.push_back (pb);
 173
 174         boost::shared_ptr<MIDI::Name::ChannelNameSet> cns (new ChannelNameSet);
 175         cns->set_patch_banks (patch_banks);
 176
 177         return cns;
 178 }
 179
 180 const MIDI::Name::PatchBank::PatchNameList&
 181 InstrumentInfo::general_midi_patches()
 182 {
 183         if (_gm_patches.empty()) {
 184                 for (int n = 0; n < 128; n++) {
 185                         _gm_patches.push_back (boost::shared_ptr<Patch> (new Patch (general_midi_program_names[n], n)));
 186                 }
 187         }
 188
 189         return _gm_patches;
 190 }
 191
 192 string
 193 InstrumentInfo::get_plugin_patch_name (boost::shared_ptr<Processor> p, uint16_t bank, uint8_t program, uint8_t /*channel*/) const
 194 {
 195         boost::shared_ptr<PluginInsert> insert = boost::dynamic_pointer_cast<PluginInsert> (p);
 196
 197         if (insert) {
 198                 boost::shared_ptr<Plugin> pp = insert->plugin();
 199
 200                 if (pp->current_preset_uses_general_midi()) {
 201                         return MIDI::Name::general_midi_program_names[std::min((uint8_t) 127,program)];
 202                 }
 203         }
 204
 205         return string_compose (_("preset %1 (bank %2)"), (int) program, (int) bank);
 206 }