git-svn-id: svn://localhost/ardour2/branches/3.0@4313 d708f5d6-7413-0410-9779-e7cbd77b26cf
151 lines
4.0 KiB
C++
151 lines
4.0 KiB
C++
/*
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Copyright (C) 2004 Paul Davis
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Copyright (C) 2004 Grame
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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 <fcntl.h>
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#include <cerrno>
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#include <midi++/coremidi_midiport.h>
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#include <midi++/types.h>
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#include <mach/mach_time.h>
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#include <pbd/pthread_utils.h>
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using namespace std;
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using namespace MIDI;
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MIDITimeStamp CoreMidi_MidiPort::MIDIGetCurrentHostTime()
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{
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return mach_absolute_time();
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}
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CoreMidi_MidiPort::CoreMidi_MidiPort (const XMLNode& node) : Port (node)
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{
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Descriptor desc (node);
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firstrecv = true;
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int err;
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if (0 == (err = Open(desc))) {
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_ok = true;
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}
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}
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CoreMidi_MidiPort::~CoreMidi_MidiPort () {Close();}
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void CoreMidi_MidiPort::Close ()
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{
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if (midi_destination) MIDIEndpointDispose(midi_destination);
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if (midi_source) MIDIEndpointDispose(midi_source);
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if (midi_client) MIDIClientDispose(midi_client);
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}
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int CoreMidi_MidiPort::write (byte *msg, size_t msglen, timestamp_t ignored)
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{
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OSStatus err;
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MIDIPacketList* pktlist = (MIDIPacketList*)midi_buffer;
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MIDIPacket* packet = MIDIPacketListInit(pktlist);
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packet = MIDIPacketListAdd(pktlist,sizeof(midi_buffer),packet,MIDIGetCurrentHostTime(),msglen,msg);
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if (packet) {
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err = MIDIReceived(midi_source,pktlist);
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if (err != noErr) {
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//error << "MIDIReceived error" << err << endmsg.
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}
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bytes_written += msglen;
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return msglen;
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}else{
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return 0;
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}
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}
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int CoreMidi_MidiPort::Open (const Descriptor& desc)
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{
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OSStatus err;
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CFStringRef coutputStr;
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string str;
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coutputStr = CFStringCreateWithCString(0, desc.device.c_str(), CFStringGetSystemEncoding());
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err = MIDIClientCreate(coutputStr, 0, 0, &midi_client);
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CFRelease(coutputStr);
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if (!midi_client) {
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//error << "Cannot open CoreMidi client : " << err << endmsg.
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goto error;
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}
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str = desc.tag + string("_in");
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coutputStr = CFStringCreateWithCString(0, str.c_str(), CFStringGetSystemEncoding());
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err = MIDIDestinationCreate(midi_client, coutputStr, read_proc, this, &midi_destination);
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CFRelease(coutputStr);
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if (!midi_destination) {
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//error << "Cannot create CoreMidi destination : " << err << endmsg.
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goto error;
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}
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str = desc.tag + string("_out");
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coutputStr = CFStringCreateWithCString(0, str.c_str(), CFStringGetSystemEncoding());
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err = MIDISourceCreate(midi_client, coutputStr, &midi_source);
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CFRelease(coutputStr);
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if (!midi_source) {
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//error << "Cannot create CoreMidi source : " << err << endmsg.
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goto error;
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}
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return err;
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error:
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Close();
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return err;
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}
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void CoreMidi_MidiPort::read_proc (const MIDIPacketList *pktlist, void *refCon, void *connRefCon)
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{
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CoreMidi_MidiPort* driver = (CoreMidi_MidiPort*)refCon;
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MIDIPacket *packet = (MIDIPacket *)pktlist->packet;
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if (driver->firstrecv) {
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driver->firstrecv = false;
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PBD::notify_gui_about_thread_creation (pthread_self(), "COREMIDI");
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}
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for (unsigned int i = 0; i < pktlist->numPackets; ++i) {
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driver->bytes_read += packet->length;
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if (driver->input_parser) {
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driver->input_parser->raw_preparse (*driver->input_parser, packet->data, packet->length);
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for (int i = 0; i < packet->length; i++) {
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driver->input_parser->scanner (packet->data[i]);
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}
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driver->input_parser->raw_postparse (*driver->input_parser, packet->data, packet->length);
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}
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packet = MIDIPacketNext(packet);
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}
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}
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int
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CoreMidi_MidiPort::discover (vector<PortSet>& ports)
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{
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/* XXX do dynamic port discovery here */
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return 0;
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}
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