common.h

   1 /*
   2  * Control JACK transport using MMC (MIDI)
   3  *
   4  * Copyright (c) 2006,2007,2008 Nedko Arnaudov <nedko@arnaudov.name>
   5  * Copyright (c) 2008 Alex Montgomery <apmontgomery@gmail.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify it under
   8  * the terms of the GNU General Public License as published by the Free Software
   9  * Foundation; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT ANY
  12  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  13  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301, USA
  18  */
  19
  20 #ifndef COMMON_H
  21 #define COMMON_H
  22
  23 #include <jack/jack.h>
  24 #include <alsa/asoundlib.h>
  25 #include "config.h"
  26
  27 typedef struct
  28 {
  29     uint32_t frameRate;
  30     uint32_t jitterTolerance;
  31     int verbose;
  32     uint8_t deviceID;
  33 } MidiSettings;
  34
  35 // globals
  36 extern int g_quit;
  37 extern snd_seq_t* g_seq_ptr;
  38 extern jack_client_t* g_jack_client;
  39 extern int g_isListening;
  40
  41 // functions implemented differently by cli and qt frontends
  42 extern void printMMCMessage(const char* message, ...);
  43
  44 // common functions
  45 int init_alsa_sequencer(const char* appName);
  46 int init_jack(const char* appName);
  47 int activate_jack();
  48 void listen_loop (MidiSettings* settings);
  49 void cleanup_globals();
  50 void handle_midi(uint8_t* midiBuff, MidiSettings* settings);
  51
  52 #if LASH_SUPPORT
  53    #include <lash/lash.h>
  54    extern lash_client_t* g_lashc;
  55    void init_lash(int argc, char* argv[]);
  56    void process_lash_event(lash_event_t * event_ptr);
  57    void process_lash_config(lash_config_t * config_ptr);
  58 #endif // LASH_SUPPORT
  59
  60 #if JACK_MIDI_SUPPORT
  61    #include <jack/midiport.h>
  62    int init_jack_midi(MidiSettings* settings); //< returns true when successful
  63 #endif // JACK_MIDI_SUPPORT
  64
  65 #endif // COMMON_H