Jack2 1.9.6

JackPhysicalMidiInput.h

00001 /*
00002 Copyright (C) 2009 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 __JackPhysicalMidiInput__
00021 #define __JackPhysicalMidiInput__
00022 
00023 #include "JackMidiPort.h"
00024 #include "ringbuffer.h"
00025 
00026 namespace Jack {
00027 
00028     class JackPhysicalMidiInput {
00029 
00030     private:
00031 
00032         size_t buffered_bytes;
00033         size_t expected_data_bytes;
00034         jack_ringbuffer_t *input_ring;
00035         JackMidiBuffer *port_buffer;
00036         jack_midi_data_t status_byte;
00037         size_t unbuffered_bytes;
00038 
00039         void
00040         Clear();
00041 
00042         void
00043         WriteBufferedEvent(jack_nframes_t);
00044 
00045         void
00046         WriteBufferedSysexEvent(jack_nframes_t);
00047 
00048         void
00049         WriteByteEvent(jack_nframes_t, jack_midi_data_t);
00050 
00051     protected:
00052 
00062         virtual void
00063         HandleBufferFailure(size_t, size_t);
00064 
00072         virtual void
00073         HandleIncompleteMessage(size_t);
00074 
00082         virtual void
00083         HandleInvalidStatusByte(jack_midi_data_t);
00084 
00093         virtual void
00094         HandleUnexpectedSysexEnd(size_t);
00095 
00103         virtual void
00104         HandleWriteFailure(size_t);
00105 
00117         virtual jack_nframes_t
00118         Receive(jack_midi_data_t *, jack_nframes_t, jack_nframes_t) = 0;
00119 
00120     public:
00121 
00122         JackPhysicalMidiInput(size_t buffer_size=1024);
00123         virtual ~JackPhysicalMidiInput();
00124 
00129         void
00130         Process(jack_nframes_t);
00131 
00136         inline void
00137         SetPortBuffer(JackMidiBuffer *port_buffer)
00138         {
00139             this->port_buffer = port_buffer;
00140         }
00141 
00142     };
00143 
00144 }
00145 
00146 #endif