JackALSARawMidiReceiveQueue.cpp
/*
Copyright (C) 2011 Devin Anderson
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "JackALSARawMidiReceiveQueue.h"
#include "JackError.h"
#include "JackMidiUtil.h"
using Jack::JackALSARawMidiReceiveQueue;
JackALSARawMidiReceiveQueue::
JackALSARawMidiReceiveQueue(snd_rawmidi_t *rawmidi, size_t buffer_size)
{
buffer = new jack_midi_data_t[buffer_size];
this->buffer_size = buffer_size;
this->rawmidi = rawmidi;
}
JackALSARawMidiReceiveQueue::~JackALSARawMidiReceiveQueue()
{
delete[] buffer;
}
jack_midi_event_t *
JackALSARawMidiReceiveQueue::DequeueEvent()
{
ssize_t result = snd_rawmidi_read(rawmidi, buffer, buffer_size);
if (result > 0) {
event.buffer = buffer;
event.size = (size_t) result;
event.time = GetCurrentFrame();
return &event;
}
if (result && (result != -EWOULDBLOCK)) {
jack_error("JackALSARawMidiReceiveQueue::DequeueEvent - "
"snd_rawmidi_read: %s", snd_strerror(result));
}
return 0;
}
Jack::JackALSARawMidiReceiveQueue::DequeueEvent
jack_midi_event_t * DequeueEvent()
Definition: JackALSARawMidiReceiveQueue.cpp:40
jack_error
SERVER_EXPORT void jack_error(const char *fmt,...)
Definition: JackError.cpp:92
Jack::JackALSARawMidiReceiveQueue
Definition: JackALSARawMidiReceiveQueue.h:29
jack_midi_event_t
Definition: JackMidiPort.h:33