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::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         if (p) {
  71                 return p->name();
  72         }
  73
  74         if (external_instrument_mode.empty()) {
  75                 return external_instrument_model;
  76         } else {
  77                 return string_compose ("%1 (%2)", external_instrument_model, external_instrument_mode);
  78         }
  79 }
  80
  81 string
  82 InstrumentInfo::get_patch_name (uint16_t bank, uint8_t program, uint8_t channel) const
  83 {
  84         boost::shared_ptr<Processor> p = internal_instrument.lock();
  85         if (p) {
  86                 return get_plugin_patch_name (p, bank, program, channel);
  87         }
  88
  89         MIDI::Name::PatchPrimaryKey patch_key (program, bank);
  90
  91         boost::shared_ptr<MIDI::Name::Patch> patch =
  92                 MIDI::Name::MidiPatchManager::instance().find_patch (external_instrument_model,
  93                                                                      external_instrument_mode, channel, patch_key);
  94
  95         if (patch) {
  96                 return patch->name();
  97         } else {
  98                 /* program and bank numbers are zero-based: convert to one-based: MIDI_BP_ZERO */
  99
 100 #define MIDI_BP_ZERO ((Config->get_first_midi_bank_is_zero())?0:1)
 101
 102                 return string_compose ("prg %1 bnk %2",program + MIDI_BP_ZERO , bank + MIDI_BP_ZERO);
 103         }
 104 }
 105
 106 string
 107 InstrumentInfo::get_controller_name (Evoral::Parameter param) const
 108 {
 109         boost::shared_ptr<Processor> p = internal_instrument.lock();
 110         if (p || param.type() != MidiCCAutomation) {
 111                 return "";
 112         }
 113
 114         boost::shared_ptr<MIDI::Name::MasterDeviceNames> dev_names(
 115                 MIDI::Name::MidiPatchManager::instance().master_device_by_model(
 116                         external_instrument_model));
 117         if (!dev_names) {
 118                 return "";
 119         }
 120
 121         boost::shared_ptr<ChannelNameSet> chan_names(
 122                 dev_names->channel_name_set_by_channel(
 123                         external_instrument_mode, param.channel()));
 124         if (!chan_names) {
 125                 return "";
 126         }
 127
 128         boost::shared_ptr<ControlNameList> control_names(
 129                 dev_names->control_name_list(chan_names->control_list_name()));
 130         if (!control_names) {
 131                 return "";
 132         }
 133
 134         return control_names->control(param.id())->name();
 135 }
 136
 137 boost::shared_ptr<MIDI::Name::ChannelNameSet>
 138 InstrumentInfo::get_patches (uint8_t channel)
 139 {
 140         boost::shared_ptr<Processor> p = internal_instrument.lock();
 141         if (p) {
 142                 return plugin_programs_to_channel_name_set (p);
 143         }
 144
 145         boost::shared_ptr<MIDI::Name::ChannelNameSet> channel_name_set =
 146                 MidiPatchManager::instance().find_channel_name_set (external_instrument_model,
 147                                                                                                                     external_instrument_mode,
 148                                                                                                                     channel);
 149
 150         //std::cerr << "got channel name set with name '" << channel_name_set->name() << std::endl;
 151
 152         return channel_name_set;
 153 }
 154
 155 boost::shared_ptr<MIDI::Name::ChannelNameSet>
 156 InstrumentInfo::plugin_programs_to_channel_name_set (boost::shared_ptr<Processor> p)
 157 {
 158         PatchNameList patch_list;
 159
 160         boost::shared_ptr<PluginInsert> insert = boost::dynamic_pointer_cast<PluginInsert> (p);
 161         if (!insert) {
 162                 return boost::shared_ptr<ChannelNameSet>();
 163         }
 164
 165         boost::shared_ptr<Plugin> pp = insert->plugin();
 166
 167         if (pp->current_preset_uses_general_midi()) {
 168
 169                 patch_list = InstrumentInfo::general_midi_patches ();
 170
 171         } else if (pp->presets_are_MIDI_programs()) {
 172
 173                 std::vector<Plugin::PresetRecord> presets = pp->get_presets ();
 174                 std::vector<Plugin::PresetRecord>::iterator i;
 175                 int n;
 176
 177                 /* XXX note the assumption that plugin presets start their numbering at
 178                  * zero
 179                  */
 180
 181                 for (n = 0, i = presets.begin(); i != presets.end(); ++i, ++n) {
 182                         if ((*i).number >= 0) {
 183                                 patch_list.push_back (boost::shared_ptr<Patch> (new Patch ((*i).label, n)));
 184                         } else {
 185                                 patch_list.push_back (boost::shared_ptr<Patch> (new Patch (string_compose ("program %1", n), n)));
 186                         }
 187                 }
 188         } else {
 189                 for (int n = 0; n < 127; ++n) {
 190                         patch_list.push_back (boost::shared_ptr<Patch> (new Patch (string_compose ("program %1", n), n)));
 191                 }
 192         }
 193
 194         boost::shared_ptr<PatchBank> pb (new PatchBank (0, p->name()));
 195         pb->set_patch_name_list (patch_list);
 196
 197         ChannelNameSet::PatchBanks patch_banks;
 198         patch_banks.push_back (pb);
 199
 200         boost::shared_ptr<MIDI::Name::ChannelNameSet> cns (new ChannelNameSet);
 201         cns->set_patch_banks (patch_banks);
 202
 203         return cns;
 204 }
 205
 206 const MIDI::Name::PatchNameList&
 207 InstrumentInfo::general_midi_patches()
 208 {
 209         if (_gm_patches.empty()) {
 210                 for (int n = 0; n < 128; n++) {
 211                         _gm_patches.push_back (boost::shared_ptr<Patch> (new Patch (general_midi_program_names[n], n)));
 212                 }
 213         }
 214
 215         return _gm_patches;
 216 }
 217
 218 string
 219 InstrumentInfo::get_plugin_patch_name (boost::shared_ptr<Processor> p, uint16_t bank, uint8_t program, uint8_t /*channel*/) const
 220 {
 221         boost::shared_ptr<PluginInsert> insert = boost::dynamic_pointer_cast<PluginInsert> (p);
 222         if (insert) {
 223                 boost::shared_ptr<Plugin> pp = insert->plugin();
 224
 225                 if (pp->current_preset_uses_general_midi()) {
 226                         return MIDI::Name::general_midi_program_names[std::min((uint8_t) 127,program)];
 227                 }
 228         }
 229
 230         return string_compose (_("preset %1 (bank %2)"), (int) program, (int) bank);
 231 }