本文整理汇总了C++中MidiEvent::getFrameOffset方法的典型用法代码示例。如果您正苦于以下问题：C++ MidiEvent::getFrameOffset方法的具体用法？C++ MidiEvent::getFrameOffset怎么用？C++ MidiEvent::getFrameOffset使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MidiEvent的用法示例。
在下文中一共展示了MidiEvent::getFrameOffset方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: while
/**
* process this MIDI input: pack LV2 input buffer from EventBuffer + EventConnection
*/
void Lv2MidiInput::process(bool rolling, jack_position_t &pos, jack_nframes_t nframes, jack_nframes_t time) {
// clear atom sequence
lv2_atom_sequence_clear(atomSequence);
// send all notes off messages if newly stopped
if(localRolling && !rolling) {
Lv2MidiEvent lv2Event;
lv2Event.event.time.frames = 0;
lv2Event.buffer[1] = 0x7b; // CC 123 = all notes off
lv2Event.buffer[2] = 0;
for(uint8_t channel = 0; channel < 16; channel++) {
lv2Event.buffer[0] = MidiEvent::TYPE_CONTROL + channel;
lv2_atom_sequence_append_event(atomSequence, CAPACITY, &lv2Event.event);
}
}
localRolling = rolling;
// get connection and event count
MidiConnection *connection = eventConnector.getConnection();
uint32_t eventCount = 0;
if(connection) {
connection->getSource()->process(rolling, pos, nframes, time);
eventCount = connection->getEventCount();
}
// get top events from buffer + connection
MidiEvent* bufferEvent = eventBuffer.getNextEvent(rolling, pos, nframes);
MidiEvent *connectionEvent = eventCount ? connection->getEvent(0) : 0;
uint32_t eventIndex = 1;
// loop while events on either buffer or connection
while(bufferEvent || connectionEvent) {
bool bufferNext = bufferEvent &&
(!connectionEvent || bufferEvent->getFrameOffset() < connectionEvent->getFrameOffset());
MidiEvent *event = bufferNext ? bufferEvent : connectionEvent;
// lv2 event
Lv2MidiEvent lv2Event;
long frame = event->getFrameOffset();
lv2Event.event.time.frames = frame >= 0 ? frame : 0;
// copy event data
event->pack(&lv2Event.buffer);
// append this event to sequence
lv2_atom_sequence_append_event(atomSequence, CAPACITY, &lv2Event.event);
// get next event
if(bufferNext) {
// recycle and get next buffer event
ObjectCollector::scriptCollector().recycle(bufferEvent);
bufferEvent = eventBuffer.getNextEvent(rolling, pos, nframes);
} else {
connectionEvent = eventIndex < eventCount ? connection->getEvent(eventIndex++) : 0;
}
}
}