Beispiel #1
0
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"));
        }

	}

}