Jack2
1.9.10
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00001 /* 00002 Copyright (C) 2010 Devin Anderson 00003 00004 This program is free software; you can redistribute it and/or modify 00005 it under the terms of the GNU Lesser General Public License as published by 00006 the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. 00013 00014 You should have received a copy of the GNU Lesser General Public License 00015 along with this program; if not, write to the Free Software 00016 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00017 00018 */ 00019 00020 #ifndef __JackMidiAsyncQueue__ 00021 #define __JackMidiAsyncQueue__ 00022 00023 #include "JackMidiPort.h" 00024 #include "JackMidiReadQueue.h" 00025 #include "JackMidiWriteQueue.h" 00026 #include "ringbuffer.h" 00027 00028 namespace Jack { 00029 00040 class SERVER_EXPORT JackMidiAsyncQueue: 00041 public JackMidiReadQueue, public JackMidiWriteQueue { 00042 00043 private: 00044 00045 static const size_t INFO_SIZE = 00046 sizeof(jack_nframes_t) + sizeof(size_t); 00047 00048 jack_ringbuffer_t *byte_ring; 00049 jack_midi_data_t *data_buffer; 00050 jack_midi_event_t dequeue_event; 00051 jack_ringbuffer_t *info_ring; 00052 size_t max_bytes; 00053 00054 public: 00055 00056 using JackMidiWriteQueue::EnqueueEvent; 00057 00064 JackMidiAsyncQueue(size_t max_bytes=4096, size_t max_messages=1024); 00065 00066 virtual 00067 ~JackMidiAsyncQueue(); 00068 00074 virtual jack_midi_event_t * 00075 DequeueEvent(); 00076 00083 virtual EnqueueResult 00084 EnqueueEvent(jack_nframes_t time, size_t size, 00085 jack_midi_data_t *buffer); 00086 00091 size_t 00092 GetAvailableSpace(); 00093 00094 }; 00095 00096 } 00097 00098 #endif