Jack2 1.9.8
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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 #ifndef __JackALSARawMidiPort__ 00021 #define __JackALSARawMidiPort__ 00022 00023 #include <alsa/asoundlib.h> 00024 #include <poll.h> 00025 00026 #include "JackConstants.h" 00027 00028 namespace Jack { 00029 00030 class JackALSARawMidiPort { 00031 00032 private: 00033 00034 char alias[REAL_JACK_PORT_NAME_SIZE]; 00035 struct pollfd *alsa_poll_fds; 00036 int alsa_poll_fd_count; 00037 int fds[2]; 00038 unsigned short io_mask; 00039 char name[REAL_JACK_PORT_NAME_SIZE]; 00040 struct pollfd *queue_poll_fd; 00041 00042 protected: 00043 00044 snd_rawmidi_t *rawmidi; 00045 00046 int 00047 GetIOPollEvent(); 00048 00049 int 00050 GetQueuePollEvent(); 00051 00052 void 00053 SetIOEventsEnabled(bool enabled); 00054 00055 void 00056 SetQueueEventsEnabled(bool enabled); 00057 00058 bool 00059 TriggerQueueEvent(); 00060 00061 public: 00062 00063 JackALSARawMidiPort(snd_rawmidi_info_t *info, size_t index, 00064 unsigned short io_mask); 00065 00066 virtual 00067 ~JackALSARawMidiPort(); 00068 00069 const char * 00070 GetAlias(); 00071 00072 const char * 00073 GetName(); 00074 00075 int 00076 GetPollDescriptorCount(); 00077 00078 void 00079 PopulatePollDescriptors(struct pollfd *poll_fd); 00080 00081 }; 00082 00083 } 00084 00085 #endif