diff options
Diffstat (limited to 'attic/muse_qt4_evolution/muse/midiinport.cpp')
| -rw-r--r-- | attic/muse_qt4_evolution/muse/midiinport.cpp | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/attic/muse_qt4_evolution/muse/midiinport.cpp b/attic/muse_qt4_evolution/muse/midiinport.cpp deleted file mode 100644 index afe53876..00000000 --- a/attic/muse_qt4_evolution/muse/midiinport.cpp +++ /dev/null @@ -1,241 +0,0 @@ -//============================================================================= -// MusE -// Linux Music Editor -// $Id:$ -// -// Copyright (C) 2002-2006 by Werner Schweer and others -// -// This program is free software; you can redistribute it and/or modify -// it under the terms of the GNU General Public License version 2. -// -// 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 "song.h" -#include "midiplugin.h" -#include "midi.h" -#include "midictrl.h" -#include "al/xml.h" -#include "audiodev.h" -#include "audio.h" -#include "gconfig.h" -#include "midiinport.h" -#include "jackaudio.h" - -//--------------------------------------------------------- -// MidiInPort -//--------------------------------------------------------- - -MidiInPort::MidiInPort() - : MidiTrackBase() - { - _channels = 1; - for (int i = 0; i < MIDI_CHANNELS; ++i) - activity[i] = 0; - } - -//--------------------------------------------------------- -// MidiInPort -//--------------------------------------------------------- - -MidiInPort::~MidiInPort() - { - } - -//--------------------------------------------------------- -// setName -//--------------------------------------------------------- - -void MidiInPort::setName(const QString& s) - { - Track::setName(s); - if (!jackPort(0).isZero()) - audioDriver->setPortName(jackPort(), s); - } - -//--------------------------------------------------------- -// MidiInPort::write -//--------------------------------------------------------- - -void MidiInPort::write(Xml& xml) const - { - xml.stag("MidiInPort"); - MidiTrackBase::writeProperties(xml); - xml.etag("MidiInPort"); - } - -//--------------------------------------------------------- -// MidiInPort::read -//--------------------------------------------------------- - -void MidiInPort::read(QDomNode node) - { - while (!node.isNull()) { - QDomElement e = node.toElement(); - QString tag(e.tagName()); - if (MidiTrackBase::readProperties(node)) - printf("MusE:MidiInPort: unknown tag %s\n", tag.toLatin1().data()); - node = node.nextSibling(); - } - } - -//--------------------------------------------------------- -// midiReceived -// called from midiSeq context -//--------------------------------------------------------- - -void MidiInPort::eventReceived(jack_midi_event_t* ev) - { - MidiEvent event; - event.setB(0); - - // - // move all events 2*segmentSize into the future to get - // jitterfree playback - // - // cycle n-1 n n+1 - // -+----------+----------+----------+- - // ^ ^ ^ - // catch process play - // - const SeqTime* st = audio->seqTime(); - -// unsigned curFrame = st->startFrame() + segmentSize; - unsigned curFrame = st->lastFrameTime; - event.setTime(curFrame + ev->time); - - event.setChannel(*(ev->buffer) & 0xf); - int type = *(ev->buffer) & 0xf0; - int a = *(ev->buffer + 1) & 0x7f; - int b = *(ev->buffer + 2) & 0x7f; - event.setType(type); - switch(type) { - case ME_NOTEON: - case ME_NOTEOFF: - case ME_CONTROLLER: - event.setA(*(ev->buffer + 1)); - event.setB(*(ev->buffer + 2)); - break; - case ME_PROGRAM: - case ME_AFTERTOUCH: - event.setA(*(ev->buffer + 1)); - break; - - case ME_PITCHBEND: - event.setA(((b << 7) + a) - 8192); - break; - - case ME_SYSEX: - { - int type = *(ev->buffer) & 0xff; - switch(type) { - case ME_SYSEX: - event.setTime(0); // mark as used - event.setType(ME_SYSEX); - event.setData((unsigned char*)(ev->buffer + 1), - ev->size - 2); - break; - case ME_CLOCK: - case ME_SENSE: - break; - default: - printf("unknown event 0x%02x\n", type); - return; - } - } - return; - } - - if (midiInputTrace) { - printf("MidiInput<%s>: ", name().toLatin1().data()); - event.dump(); - } - // - // process midi filter pipeline and add event to - // _recordEvents - // - - MidiEventList il, ol; - il.insert(event); - pipeline()->apply(st->curTickPos, st->nextTickPos, &il, &ol); - - // - // update midi activity - // notify gui of new events - // - - for (iMidiEvent i = ol.begin(); i != ol.end(); ++i) { - triggerActivity(i->channel()); - song->putEvent(*i); - if (recordFifo.put(*i)) - printf("MusE: eventReceived(): fifo overflow\n"); - } - } - -//--------------------------------------------------------- -// afterProcess -// clear all recorded events after a process cycle -//--------------------------------------------------------- - -void MidiInPort::afterProcess() - { - while (tmpRecordCount--) - recordFifo.remove(); - } - -//--------------------------------------------------------- -// beforeProcess -// "freeze" fifo for this process cycle -//--------------------------------------------------------- - -void MidiInPort::beforeProcess() - { - if (!jackPort(0).isZero()) - audioDriver->collectMidiEvents(this, jackPort(0)); - tmpRecordCount = recordFifo.getSize(); - } - -//--------------------------------------------------------- -// getEvents -// called from jack process context -// This method can be called multiple times in a process -// cycle so we have to empty the fifo at -// "afterProcess()". -//--------------------------------------------------------- - -void MidiInPort::getEvents(unsigned, unsigned, int ch, MidiEventList* dst) - { - for (int i = 0; i < tmpRecordCount; ++i) { - const MidiEvent& ev = recordFifo.peek(i); - if (ch == -1 || (ev.channel() == ch)) - dst->insert(ev); - } - } - -//--------------------------------------------------------- -// checkActivity -//--------------------------------------------------------- - -bool MidiInPort::checkActivity(int channel) - { - if (activity[channel]) - --activity[channel]; - return activity[channel] != 0; - } - -//--------------------------------------------------------- -// triggerActivity -//--------------------------------------------------------- - -void MidiInPort::triggerActivity(int channel) - { - activity[channel] = config.guiRefresh / 5 + 1; // hold for >= 1/5 sec - } - |