179 lines
3.5 KiB
C++
179 lines
3.5 KiB
C++
/*
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Copyright (C) 2014 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "pbd/error.h"
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#include "pbd/compose.h"
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#include "ardour/midi_port.h"
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#include "ardour/midi_scene_change.h"
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#include "i18n.h"
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using namespace PBD;
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using namespace ARDOUR;
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MIDISceneChange::MIDISceneChange (int c, int b, int p)
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: _bank (b)
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, _program (p)
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, _channel (c & 0xf)
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{
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if (_bank > 16384) {
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_bank = -1;
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}
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if (_program > 128) {
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_program = -1;
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}
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}
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MIDISceneChange::MIDISceneChange (const XMLNode& node, int version)
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: _bank (-1)
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, _program (-1)
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, _channel (-1)
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{
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set_state (node, version);
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}
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MIDISceneChange::~MIDISceneChange ()
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{
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}
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size_t
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MIDISceneChange::get_bank_msb_message (uint8_t* buf, size_t size) const
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{
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if (size < 3 || _bank < 0) {
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return 0;
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}
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buf[0] = 0xB0 | (_channel & 0xf);
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buf[1] = 0x0;
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buf[2] = (_bank >> 7) & 0x7f;
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return 3;
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}
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size_t
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MIDISceneChange::get_bank_lsb_message (uint8_t* buf, size_t size) const
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{
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if (size < 3 || _bank < 0) {
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return 0;
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}
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buf[0] = 0xB0 | (_channel & 0xf);
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buf[1] = 0x20;
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buf[2] = _bank & 0x7f;
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return 3;
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}
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size_t
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MIDISceneChange::get_program_message (uint8_t* buf, size_t size) const
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{
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if (size < 2 || _program < 0) {
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return 0;
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}
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buf[0] = 0xC0 | (_channel & 0xf);
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buf[1] = _program & 0x7f;
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return 2;
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}
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XMLNode&
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MIDISceneChange::get_state ()
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{
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char buf[32];
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XMLNode* node = new XMLNode (SceneChange::xml_node_name);
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node->add_property (X_("type"), X_("MIDI"));
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snprintf (buf, sizeof (buf), "%d", (int) _program);
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node->add_property (X_("id"), id().to_s());
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snprintf (buf, sizeof (buf), "%d", (int) _program);
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node->add_property (X_("program"), buf);
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snprintf (buf, sizeof (buf), "%d", (int) _bank);
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node->add_property (X_("bank"), buf);
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snprintf (buf, sizeof (buf), "%d", (int) _channel);
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node->add_property (X_("channel"), buf);
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snprintf (buf, sizeof (buf), "%u", _color);
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node->add_property (X_("color"), buf);
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return *node;
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}
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int
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MIDISceneChange::set_state (const XMLNode& node, int /* version-ignored */)
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{
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if (!set_id (node)) {
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return -1;
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}
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const XMLProperty* prop;
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if ((prop = node.property (X_("program"))) == 0) {
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return -1;
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}
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_program = atoi (prop->value());
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if ((prop = node.property (X_("bank"))) == 0) {
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return -1;
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}
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_bank = atoi (prop->value());
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if ((prop = node.property (X_("channel"))) == 0) {
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return -1;
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}
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_channel = atoi (prop->value());
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if ((prop = node.property (X_("color"))) != 0) {
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_color = atoi (prop->value());
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} else {
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_color = out_of_bound_color;
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}
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return 0;
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}
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bool
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MIDISceneChange::operator==(const MIDISceneChange& other) const
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{
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return _program == other._program &&
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_bank == other._bank &&
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_channel == other._channel;
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}
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void
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MIDISceneChange::set_channel (int channel)
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{
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_channel = channel;
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}
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void
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MIDISceneChange::set_program (int program)
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{
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_program = program;
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}
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void
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MIDISceneChange::set_bank (int bank)
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{
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_bank = bank;
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}
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