ardour/livetrax
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Prototype to allow embedding sysex in midi-map

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This commit is contained in:
Robin Gareus 2017-12-06 16:32:53 +01:00
parent ab5be61f51
commit 561c8eea0c
2 changed files with 45 additions and 1 deletions
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44
libs/surfaces/generic_midi/generic_midi_control_protocol.cc
View File

@ -42,6 +42,7 @@
#include "ardour/session.h"
#include "ardour/midi_ui.h"
#include "ardour/rc_configuration.h"
#include "ardour/raw_midi_parser.h"
#include "ardour/midiport_manager.h"
#include "ardour/debug.h"
@ -241,6 +242,8 @@ GenericMidiControlProtocol::drop_all ()
delete *i;
}
actions.clear ();
_sysex_init = "";
}
void
@ -266,6 +269,7 @@ GenericMidiControlProtocol::drop_bindings ()
_current_binding = "";
_bank_size = 0;
_current_bank = 0;
_sysex_init = "";
}
int
@ -720,7 +724,7 @@ GenericMidiControlProtocol::load_bindings (const string& xmlpath)
DEBUG_TRACE (DEBUG::GenericMidi, "Load bindings: Reading midi map\n");
XMLTree state_tree;
if (!state_tree.read (xmlpath.c_str())) {
if (!state_tree.read (xmlpath)) {
error << string_compose(_("Could not understand MIDI bindings file %1"), xmlpath) << endmsg;
return -1;
}
@ -792,12 +796,25 @@ GenericMidiControlProtocol::load_bindings (const string& xmlpath)
}
}
}
if ((*citer)->name() == "Sysex") {
for (XMLNodeList::const_iterator n = (*citer)->children ().begin (); n != (*citer)->children ().end (); ++n) {
if (!(*n)->is_content ()) { continue; }
_sysex_init = (*n)->content ();
break;
}
}
}
if ((prop = root->property ("name")) != 0) {
_current_binding = prop->value ();
}
if ((connection_state & (InputConnected|OutputConnected)) == (InputConnected|OutputConnected)) {
send_sysex_init ();
}
reset_controllables ();
return 0;
@ -1221,6 +1238,31 @@ void
GenericMidiControlProtocol::connected ()
{
cerr << "Now connected\n";
send_sysex_init ();
}
void
GenericMidiControlProtocol::send_sysex_init ()
{
if (_sysex_init.empty ()) {
return;
}
boost::shared_ptr<AsyncMIDIPort> p = boost::dynamic_pointer_cast<AsyncMIDIPort> (_output_port);
assert (p);
gsize size = 0;
guchar* buf = g_base64_decode (_sysex_init.c_str(), &size);
RawMidiParser mp;
for (size_t i = 0; i < size; ++i) {
if (mp.process_byte (buf[i])) {
p->write (mp.midi_buffer (), mp.buffer_size (), 0);
/* delay for physical MIDI rate; 320usec / byte */
g_usleep (400 * mp.buffer_size ());
}
}
g_free (buf);
}
boost::shared_ptr<Port>

2
libs/surfaces/generic_midi/generic_midi_control_protocol.h
View File

@ -162,6 +162,7 @@ class GenericMidiControlProtocol : public ARDOUR::ControlProtocol {
void reset_controllables ();
void drop_all ();
void send_sysex_init ();
enum ConnectionState {
InputConnected = 0x1,
@ -174,6 +175,7 @@ class GenericMidiControlProtocol : public ARDOUR::ControlProtocol {
void connected();
std::string _current_binding;
std::string _sysex_init;
uint32_t _bank_size;
uint32_t _current_bank;
/** true if this surface is motorised. If it is, we assume