void
BMidiLocalProducer::SpraySystemCommon(uchar status, uchar data1,
uchar data2, bigtime_t time) const
{
size_t len;
uchar data[3];
data[0] = status;
data[1] = data1;
data[2] = data2;
switch (status) {
case B_TUNE_REQUEST:
case B_SYS_EX_END:
len = 1;
break;
case B_CABLE_MESSAGE:
case B_MIDI_TIME_CODE:
case B_SONG_SELECT:
len = 2;
break;
case B_SONG_POSITION:
len = 3;
break;
default:
debugger("invalid system common status");
len = 0;
}
SprayEvent(&data, len, true, time);
}
void
BMidiLocalProducer::SpraySystemRealTime(uchar status,
bigtime_t time) const
{
if (status >= B_TIMING_CLOCK)
SprayEvent(&status, 1, true, time);
else
debugger("invalid real time status");
}
void
BMidiLocalProducer::SprayChannelPressure(uchar channel,
uchar pressure, bigtime_t time) const
{
if (channel < 16) {
uchar data[2];
data[0] = B_CHANNEL_PRESSURE + channel;
data[1] = pressure;
SprayEvent(&data, 2, true, time);
} else {
debugger("invalid MIDI channel");
}
}
void
BMidiLocalProducer::SprayProgramChange(uchar channel,
uchar programNumber, bigtime_t time) const
{
if (channel < 16) {
uchar data[2];
data[0] = B_PROGRAM_CHANGE + channel;
data[1] = programNumber;
SprayEvent(&data, 2, true, time);
} else {
debugger("invalid MIDI channel");
}
}
void
BMidiLocalProducer::SprayNoteOn(uchar channel, uchar note,
uchar velocity, bigtime_t time) const
{
if (channel < 16) {
uchar data[3];
data[0] = B_NOTE_ON + channel;
data[1] = note;
data[2] = velocity;
SprayEvent(&data, 3, true, time);
} else {
debugger("invalid MIDI channel");
}
}
void
BMidiLocalProducer::SprayPitchBend(uchar channel,
uchar lsb, uchar msb, bigtime_t time) const
{
if (channel < 16) {
uchar data[3];
data[0] = B_PITCH_BEND + channel;
data[1] = lsb;
data[2] = msb;
SprayEvent(&data, 3, true, time);
} else {
debugger("invalid MIDI channel");
}
}
void
BMidiLocalProducer::SprayControlChange(uchar channel,
uchar controlNumber, uchar controlValue, bigtime_t time) const
{
if (channel < 16) {
uchar data[3];
data[0] = B_CONTROL_CHANGE + channel;
data[1] = controlNumber;
data[2] = controlValue;
SprayEvent(&data, 3, true, time);
} else {
debugger("invalid MIDI channel");
}
}
void
BMidiLocalProducer::SprayKeyPressure(uchar channel, uchar note,
uchar pressure, bigtime_t time) const
{
if (channel < 16) {
uchar data[3];
data[0] = B_KEY_PRESSURE + channel;
data[1] = note;
data[2] = pressure;
SprayEvent(&data, 3, true, time);
} else {
debugger("invalid MIDI channel");
}
}
void
BMidiLocalProducer::SprayTempoChange(int32 beatsPerMinute,
bigtime_t time) const
{
int32 tempo = 60000000 / beatsPerMinute;
uchar data[6];
data[0] = 0xFF;
data[1] = 0x51;
data[2] = 0x03;
data[3] = tempo >> 16;
data[4] = tempo >> 8;
data[5] = tempo;
SprayEvent(&data, 6, true, time);
}
virtual void Run()
{
fPlaying = true;
fPos = 0;
MIDIEvent *ev = fEvs;
uint32 startTime = B_NOW;
while (KeepRunning())
{
if (!ev) {
if (fLoops && fEvs) {
--fLoops;
fPos = 0;
ev = fEvs;
} else
break;
}
SprayEvent(ev, ev->time + startTime);
ev = ev->next;
fPos++;
}
fPos = fTotal;
fPlaying = false;
}
void
BMidiLocalProducer::SprayData(void* data, size_t length,
bool atomic, bigtime_t time) const
{
SprayEvent(data, length, atomic, time);
}
void
BMidiLocalProducer::SpraySystemExclusive(void* data,
size_t length, bigtime_t time) const
{
SprayEvent(data, length, true, time, true);
}
