jack2/linux/firewire/JackFFADOMidiReceiveQueue.cpp

56 lines
1.6 KiB
C++

/*
Copyright (C) 2010 Devin Anderson
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "JackFFADOMidiReceiveQueue.h"
#include "JackMidiUtil.h"
using Jack::JackFFADOMidiReceiveQueue;
JackFFADOMidiReceiveQueue::JackFFADOMidiReceiveQueue()
{
// Empty
}
jack_midi_event_t *
JackFFADOMidiReceiveQueue::DequeueEvent()
{
for (; index < length; index += 8) {
uint32_t data = input_buffer[index];
if (data & 0xff000000) {
byte = (jack_midi_data_t) (data & 0xff);
event.buffer = &byte;
event.size = 1;
event.time = last_frame + index;
index += 8;
return &event;
}
}
return 0;
}
void
JackFFADOMidiReceiveQueue::ResetInputBuffer(uint32_t *input_buffer,
jack_nframes_t length)
{
this->input_buffer = input_buffer;
index = 0;
last_frame = GetLastFrame();
this->length = length;
}