Jack2
1.9.10
|
00001 /* 00002 Copyright (C) 2011 Devin Anderson 00003 00004 This program is free software; you can redistribute it and/or modify 00005 it under the terms of the GNU General Public License as published by 00006 the Free Software Foundation; either version 2 of the License, or 00007 (at your option) any later version. 00008 00009 This program is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 GNU General Public License for more details. 00013 00014 You should have received a copy of the GNU General Public License 00015 along with this program; if not, write to the Free Software 00016 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00017 00018 */ 00019 00020 #include "JackALSARawMidiReceiveQueue.h" 00021 #include "JackError.h" 00022 #include "JackMidiUtil.h" 00023 00024 using Jack::JackALSARawMidiReceiveQueue; 00025 00026 JackALSARawMidiReceiveQueue:: 00027 JackALSARawMidiReceiveQueue(snd_rawmidi_t *rawmidi, size_t buffer_size) 00028 { 00029 buffer = new jack_midi_data_t[buffer_size]; 00030 this->buffer_size = buffer_size; 00031 this->rawmidi = rawmidi; 00032 } 00033 00034 JackALSARawMidiReceiveQueue::~JackALSARawMidiReceiveQueue() 00035 { 00036 delete[] buffer; 00037 } 00038 00039 jack_midi_event_t * 00040 JackALSARawMidiReceiveQueue::DequeueEvent() 00041 { 00042 ssize_t result = snd_rawmidi_read(rawmidi, buffer, buffer_size); 00043 if (result > 0) { 00044 event.buffer = buffer; 00045 event.size = (size_t) result; 00046 event.time = GetCurrentFrame(); 00047 return &event; 00048 } 00049 if (result && (result != -EWOULDBLOCK)) { 00050 jack_error("JackALSARawMidiReceiveQueue::DequeueEvent - " 00051 "snd_rawmidi_read: %s", snd_strerror(result)); 00052 } 00053 return 0; 00054 }