X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fmidi_port.cc;h=55280eb9428e82aed7fc611a53d866991f0b0b82;hb=70308f51747b5beeff99dec9f10490080f00b0c2;hp=30084c67183f9b315b563022d29aab51971f6539;hpb=ca10cc82a4374a5b413c06ead6cc89c53f8881ee;p=ardour.git diff --git a/libs/ardour/midi_port.cc b/libs/ardour/midi_port.cc index 30084c6718..55280eb942 100644 --- a/libs/ardour/midi_port.cc +++ b/libs/ardour/midi_port.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2006 Paul Davis + Copyright (C) 2006 Paul Davis 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 @@ -21,15 +21,21 @@ #include "ardour/midi_port.h" #include "ardour/data_type.h" +#include "ardour/audioengine.h" using namespace ARDOUR; using namespace std; -MidiPort::MidiPort (const std::string& name, Flags flags) +#define port_engine AudioEngine::instance()->port_engine() + +MidiPort::MidiPort (const std::string& name, PortFlags flags) : Port (name, DataType::MIDI, flags) , _has_been_mixed_down (false) + , _resolve_required (false) + , _input_active (true) + , _always_parse (false) { - _buffer = new MidiBuffer (raw_buffer_size(0)); + _buffer = new MidiBuffer (AudioEngine::instance()->raw_buffer_size (DataType::MIDI)); } MidiPort::~MidiPort() @@ -38,18 +44,39 @@ MidiPort::~MidiPort() } void -MidiPort::cycle_start (nframes_t nframes) +MidiPort::cycle_start (pframes_t nframes) { + framepos_t now = AudioEngine::instance()->sample_time_at_cycle_start(); + + Port::cycle_start (nframes); + _buffer->clear (); - assert (_buffer->size () == 0); - + if (sends_output ()) { - jack_midi_clear_buffer (jack_port_get_buffer (_jack_port, nframes)); + port_engine.midi_clear (port_engine.get_buffer (_port_handle, nframes)); + } + + if (_always_parse) { + MidiBuffer& mb (get_midi_buffer (nframes)); + + /* dump incoming MIDI to parser */ + + for (MidiBuffer::iterator b = mb.begin(); b != mb.end(); ++b) { + uint8_t* buf = (*b).buffer(); + + _self_parser.set_timestamp (now + (*b).time()); + + uint32_t limit = (*b).size(); + + for (size_t n = 0; n < limit; ++n) { + _self_parser.scanner (buf[n]); + } + } } } MidiBuffer & -MidiPort::get_midi_buffer (nframes_t nframes, nframes_t offset) +MidiPort::get_midi_buffer (pframes_t nframes) { if (_has_been_mixed_down) { return *_buffer; @@ -57,36 +84,48 @@ MidiPort::get_midi_buffer (nframes_t nframes, nframes_t offset) if (receives_input ()) { - void* jack_buffer = jack_port_get_buffer (_jack_port, nframes); - const nframes_t event_count = jack_midi_get_event_count(jack_buffer); - - assert (event_count < _buffer->capacity()); + if (_input_active) { - /* suck all relevant MIDI events from the JACK MIDI port buffer - into our MidiBuffer - */ - - nframes_t off = offset + _port_offset; + void* buffer = port_engine.get_buffer (_port_handle, nframes); + const pframes_t event_count = port_engine.get_midi_event_count (buffer); - for (nframes_t i = 0; i < event_count; ++i) { - - jack_midi_event_t ev; + /* suck all relevant MIDI events from the MIDI port buffer + into our MidiBuffer + */ - jack_midi_event_get (&ev, jack_buffer, i); - - if (ev.time > off && ev.time < off+nframes) { - _buffer->push_back (ev); - } - } - - if (nframes) { - _has_been_mixed_down = true; + for (pframes_t i = 0; i < event_count; ++i) { + + pframes_t timestamp; + size_t size; + uint8_t* buf; + + port_engine.midi_event_get (timestamp, size, &buf, buffer, i); + + if (buf[0] == 0xfe) { + /* throw away active sensing */ + continue; + } + + /* check that the event is in the acceptable time range */ + + if ((timestamp >= (_global_port_buffer_offset + _port_buffer_offset)) && + (timestamp < (_global_port_buffer_offset + _port_buffer_offset + nframes))) { + _buffer->push_back (timestamp, size, buf); + } else { + cerr << "Dropping incoming MIDI at time " << timestamp << "; offset=" + << _global_port_buffer_offset << " limit=" + << (_global_port_buffer_offset + _port_buffer_offset + nframes) << "\n"; + } + } + + } else { + _buffer->silence (nframes); } - + } else { _buffer->silence (nframes); } - + if (nframes) { _has_been_mixed_down = true; } @@ -94,9 +133,8 @@ MidiPort::get_midi_buffer (nframes_t nframes, nframes_t offset) return *_buffer; } - void -MidiPort::cycle_end (nframes_t nframes) +MidiPort::cycle_end (pframes_t /*nframes*/) { _has_been_mixed_down = false; } @@ -108,31 +146,113 @@ MidiPort::cycle_split () } void -MidiPort::flush_buffers (nframes_t nframes, nframes_t offset) +MidiPort::resolve_notes (void* port_buffer, MidiBuffer::TimeType when) +{ + for (uint8_t channel = 0; channel <= 0xF; channel++) { + + uint8_t ev[3] = { ((uint8_t) (MIDI_CMD_CONTROL | channel)), MIDI_CTL_SUSTAIN, 0 }; + + /* we need to send all notes off AND turn the + * sustain/damper pedal off to handle synths + * that prioritize sustain over AllNotesOff + */ + + if (port_engine.midi_event_put (port_buffer, when, ev, 3) != 0) { + cerr << "failed to deliver sustain-zero on channel " << (int)channel << " on port " << name() << endl; + } + + ev[1] = MIDI_CTL_ALL_NOTES_OFF; + + if (port_engine.midi_event_put (port_buffer, 0, ev, 3) != 0) { + cerr << "failed to deliver ALL NOTES OFF on channel " << (int)channel << " on port " << name() << endl; + } + } +} + +void +MidiPort::flush_buffers (pframes_t nframes) { if (sends_output ()) { + + void* port_buffer = 0; + + if (_resolve_required) { + port_buffer = port_engine.get_buffer (_port_handle, nframes); + /* resolve all notes at the start of the buffer */ + resolve_notes (port_buffer, 0); + _resolve_required = false; + } - void* jack_buffer = jack_port_get_buffer (_jack_port, nframes); + if (_buffer->empty()) { + return; + } + + if (!port_buffer) { + port_buffer = port_engine.get_buffer (_port_handle, nframes); + } for (MidiBuffer::iterator i = _buffer->begin(); i != _buffer->end(); ++i) { - const Evoral::Event& ev = *i; - // event times are in frames, relative to cycle start + const Evoral::MIDIEvent ev (*i, false); - // XXX split cycle start or cycle start? + // event times are in frames, relative to cycle start - assert(ev.time() < (nframes+offset+_port_offset)); + assert (ev.time() < (nframes + _global_port_buffer_offset + _port_buffer_offset)); - if (ev.time() >= offset + _port_offset) { - jack_midi_event_write (jack_buffer, (jack_nframes_t) ev.time(), ev.buffer(), ev.size()); + if (ev.time() >= _global_port_buffer_offset + _port_buffer_offset) { + if (port_engine.midi_event_put (port_buffer, (pframes_t) ev.time(), ev.buffer(), ev.size()) != 0) { + cerr << "write failed, drop flushed note off on the floor, time " + << ev.time() << " > " << _global_port_buffer_offset + _port_buffer_offset << endl; + } + } else { + cerr << "drop flushed event on the floor, time " << ev.time() + << " to early for " << _global_port_buffer_offset + << " + " << _port_buffer_offset << endl; } } + + /* done.. the data has moved to the port buffer, mark it so + */ + + _buffer->clear (); } } -size_t -MidiPort::raw_buffer_size (nframes_t nframes) const +void +MidiPort::require_resolve () +{ + _resolve_required = true; +} + +void +MidiPort::transport_stopped () { - return jack_midi_max_event_size(jack_port_get_buffer(_jack_port, nframes)); + _resolve_required = true; } +void +MidiPort::realtime_locate () +{ + _resolve_required = true; +} + +void +MidiPort::reset () +{ + Port::reset (); + delete _buffer; + cerr << name() << " new MIDI buffer of size " << AudioEngine::instance()->raw_buffer_size (DataType::MIDI) << endl; + _buffer = new MidiBuffer (AudioEngine::instance()->raw_buffer_size (DataType::MIDI)); +} + +void +MidiPort::set_input_active (bool yn) +{ + _input_active = yn; +} + +void +MidiPort::set_always_parse (bool yn) +{ + _always_parse = yn; +}