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/*
Copyright (C) 2004 Paul Davis
Copyright (C) 2004 Grame
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <fcntl.h>
#include <cerrno>
#include <midi++/coremidi_midiport.h>
#include <midi++/types.h>
#include <mach/mach_time.h>
#include <pbd/pthread_utils.h>
using namespace std;
using namespace MIDI;
MIDITimeStamp CoreMidi_MidiPort::MIDIGetCurrentHostTime()
{
return mach_absolute_time();
}
CoreMidi_MidiPort::CoreMidi_MidiPort (const XMLNode& node) : Port (node)
{
Descriptor desc (node);
firstrecv = true;
int err;
if (0 == (err = Open(desc))) {
_ok = true;
}
}
CoreMidi_MidiPort::~CoreMidi_MidiPort () {Close();}
void CoreMidi_MidiPort::Close ()
{
if (midi_destination) MIDIEndpointDispose(midi_destination);
if (midi_source) MIDIEndpointDispose(midi_source);
if (midi_client) MIDIClientDispose(midi_client);
}
int CoreMidi_MidiPort::write (byte *msg, size_t msglen, timestamp_t ignored)
{
OSStatus err;
MIDIPacketList* pktlist = (MIDIPacketList*)midi_buffer;
MIDIPacket* packet = MIDIPacketListInit(pktlist);
packet = MIDIPacketListAdd(pktlist,sizeof(midi_buffer),packet,MIDIGetCurrentHostTime(),msglen,msg);
if (packet) {
err = MIDIReceived(midi_source,pktlist);
if (err != noErr) {
//error << "MIDIReceived error" << err << endmsg.
}
bytes_written += msglen;
return msglen;
}else{
return 0;
}
}
int CoreMidi_MidiPort::Open (const Descriptor& desc)
{
OSStatus err;
CFStringRef coutputStr;
string str;
coutputStr = CFStringCreateWithCString(0, desc.device.c_str(), CFStringGetSystemEncoding());
err = MIDIClientCreate(coutputStr, 0, 0, &midi_client);
CFRelease(coutputStr);
if (!midi_client) {
//error << "Cannot open CoreMidi client : " << err << endmsg.
goto error;
}
str = desc.tag + string("_in");
coutputStr = CFStringCreateWithCString(0, str.c_str(), CFStringGetSystemEncoding());
err = MIDIDestinationCreate(midi_client, coutputStr, read_proc, this, &midi_destination);
CFRelease(coutputStr);
if (!midi_destination) {
//error << "Cannot create CoreMidi destination : " << err << endmsg.
goto error;
}
str = desc.tag + string("_out");
coutputStr = CFStringCreateWithCString(0, str.c_str(), CFStringGetSystemEncoding());
err = MIDISourceCreate(midi_client, coutputStr, &midi_source);
CFRelease(coutputStr);
if (!midi_source) {
//error << "Cannot create CoreMidi source : " << err << endmsg.
goto error;
}
return err;
error:
Close();
return err;
}
void CoreMidi_MidiPort::read_proc (const MIDIPacketList *pktlist, void *refCon, void *connRefCon)
{
CoreMidi_MidiPort* driver = (CoreMidi_MidiPort*)refCon;
MIDIPacket *packet = (MIDIPacket *)pktlist->packet;
if (driver->firstrecv) {
driver->firstrecv = false;
PBD::notify_gui_about_thread_creation (pthread_self(), "COREMIDI");
}
for (unsigned int i = 0; i < pktlist->numPackets; ++i) {
driver->bytes_read += packet->length;
if (driver->input_parser) {
driver->input_parser->raw_preparse (*driver->input_parser, packet->data, packet->length);
for (int i = 0; i < packet->length; i++) {
driver->input_parser->scanner (packet->data[i]);
}
driver->input_parser->raw_postparse (*driver->input_parser, packet->data, packet->length);
}
packet = MIDIPacketNext(packet);
}
}
int
CoreMidi_MidiPort::discover (vector<PortSet>& ports)
{
/* XXX do dynamic port discovery here */
return 0;
}
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