void MetronomeProcessor::processBlock (AudioSampleBuffer& buffer, MidiBuffer& midiMessages) { const int numSamples = buffer.getNumSamples(); int channel; // convert special metronome bip and bop (0xf2 00 and 0xf2 01) into note on/off messages MidiBuffer metronomeMidiBuffer; MidiBuffer::Iterator iter(midiMessages); MidiMessage message; int pos; while (iter.getNextEvent(message,pos)) { if (message.getRawDataSize()==2 && message.isSongPositionPointer()) { char raw[4] = {0,0,0,0}; char* data = (char*)message.getRawData(); if (data[1]==0) { // bip MidiMessage b = MidiMessage::noteOn(1,80,64.0f); memcpy(raw,b.getRawData(),4); } else { // bop MidiMessage b = MidiMessage::noteOn(1,70,64.0f); memcpy(raw,b.getRawData(),4); } if (raw[0]) { MidiMessage m(raw[0],raw[1],raw[2]); //printf("m %d %d %d at %d\n",m.getRawData()[0],m.getRawData()[1],m.getRawData()[2],pos); metronomeMidiBuffer.addEvent(m,pos); } } } // and now get the synth to process these midi events and generate its output. synth.renderNextBlock (buffer, metronomeMidiBuffer, 0, numSamples); }
//============================================================================== void MidiMonitorEditor::timerCallback () { MidiBuffer tmpBuffer; int hours, minutes, seconds, frames; MidiMessage::SmpteTimecodeType timeCode; MidiMessageCollector* collector = owner->getMessageCollector (); collector->removeNextBlockOfMessages (tmpBuffer, 1024); if (! tmpBuffer.isEmpty()) { String midiLine; int samplePos = 0; MidiMessage msg (0xf4, 0.0); MidiBuffer::Iterator eventIterator (tmpBuffer); while (eventIterator.getNextEvent (msg, samplePos)) { midiLine.printf (T("[CH: %d] "), msg.getChannel()); if (msg.isNoteOnOrOff ()) { midiLine += MidiMessage::getMidiNoteName (msg.getNoteNumber(), true, true, 0); midiLine += " "; midiLine += String ((int) msg.getVelocity ()); if (msg.isNoteOn()) { midiLine += " ON"; } else { midiLine += " OFF"; } } else if (msg.isAllNotesOff()) { midiLine += "ALL NOTES OFF"; } else if (msg.isAllSoundOff()) { midiLine += "ALL SOUND OFF"; } else if (msg.isPitchWheel()) { midiLine += "PITCHWEEL: "; midiLine += String (msg.getPitchWheelValue()); } else if (msg.isAftertouch()) { midiLine += "AFTERTOUCH: "; midiLine += String (msg.getAfterTouchValue()); } else if (msg.isChannelPressure()) { midiLine += "CHANNELPRESSURE: "; midiLine += String (msg.getChannelPressureValue()); } else if (msg.isSysEx()) { midiLine += "SYSEX: "; midiLine += String (msg.getSysExDataSize()); midiLine += " bytes"; } else if (msg.isProgramChange()) { midiLine += "PROGRAM CHANGE: "; midiLine += String (msg.getProgramChangeNumber()); midiLine += " ("; midiLine += MidiMessage::getGMInstrumentName (msg.getProgramChangeNumber()); midiLine += ")"; } else if (msg.isController()) { midiLine += "CC: #"; midiLine += String (msg.getControllerNumber()); midiLine += " ("; midiLine += MidiMessage::getControllerName (msg.getControllerNumber()); midiLine += ") = "; midiLine += String (msg.getControllerValue()); } else if (msg.isTimeSignatureMetaEvent ()) { int newNumerator, newDenominator; msg.getTimeSignatureInfo (newNumerator, newDenominator); midiLine += "TIME SIGNATURE: "; midiLine += String (newNumerator); midiLine += " / "; midiLine += String (newDenominator); } else if (msg.isTempoMetaEvent ()) { midiLine += "TEMPO: "; midiLine += String (msg.getTempoSecondsPerQuarterNote ()); //midiLine += " "; //midiLine += String (msg.getTempoMetaEventTickLength (ticksPerQuarterNote)); } else if (msg.isMidiMachineControlMessage()) { midiLine += "MIDI CONTROL: "; switch (msg.getMidiMachineControlCommand()) { case MidiMessage::mmc_stop: midiLine += "stop"; break; case MidiMessage::mmc_play: midiLine += "play"; break; case MidiMessage::mmc_deferredplay: midiLine += "deferredplay"; break; case MidiMessage::mmc_fastforward: midiLine += "fastforward"; break; case MidiMessage::mmc_rewind: midiLine += "rewind"; break; case MidiMessage::mmc_recordStart: midiLine += "recordStart"; break; case MidiMessage::mmc_recordStop: midiLine += "recordStop"; break; case MidiMessage::mmc_pause: midiLine += "pause"; break; } } else if (msg.isMidiStart ()) { midiLine += "MIDI START: "; } else if (msg.isMidiContinue ()) { midiLine += "MIDI CONTINUE: "; } else if (msg.isMidiStop ()) { midiLine += "MIDI STOP: "; } else if (msg.isSongPositionPointer ()) { midiLine += "SONG POSITION: "; midiLine += String (msg.getSongPositionPointerMidiBeat ()); } else if (msg.isQuarterFrame ()) { midiLine += "QUARTER FRAME: "; midiLine += String (msg.getQuarterFrameSequenceNumber ()); midiLine += " "; midiLine += String (msg.getQuarterFrameValue ()); } else if (msg.isFullFrame ()) { midiLine += "FULL FRAME: "; msg.getFullFrameParameters (hours, minutes, seconds, frames, timeCode); midiLine += String (hours); midiLine += ":"; midiLine += String (minutes); midiLine += ":"; midiLine += String (seconds); midiLine += ":"; midiLine += String (frames); midiLine += " timecode: "; switch (timeCode) { case MidiMessage::fps24: midiLine += "fps24"; break; case MidiMessage::fps25: midiLine += "fps25"; break; case MidiMessage::fps30drop: midiLine += "fps30drop"; break; case MidiMessage::fps30: midiLine += "fps30"; break; } } else if (msg.isMidiMachineControlGoto (hours, minutes, seconds, frames)) { midiLine += "MIDI CONTROL GOTO: "; midiLine += String (hours); midiLine += ":"; midiLine += String (minutes); midiLine += ":"; midiLine += String (seconds); midiLine += ":"; midiLine += String (frames); } midiOutputEditor->insertTextAtCursor (midiLine + T("\n")); } } }