Jack2  1.9.10
JackFFADODriver.h
00001 /*
00002 Copyright (C) 2001 Paul Davis
00003 Copyright (C) 2004 Grame
00004 Copyright (C) 2007 Pieter Palmers
00005 Copyright (C) 2012 Adrian Knoth
00006 
00007 This program is free software; you can redistribute it and/or modify
00008 it under the terms of the GNU General Public License as published by
00009 the Free Software Foundation; either version 2 of the License, or
00010 (at your option) any later version.
00011 
00012 This program is distributed in the hope that it will be useful,
00013 but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 GNU General Public License for more details.
00016 
00017 You should have received a copy of the GNU General Public License
00018 along with this program; if not, write to the Free Software
00019 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00020 
00021 */
00022 
00023 #ifndef __JackFFADODriver__
00024 #define __JackFFADODriver__
00025 
00026 #include "JackAudioDriver.h"
00027 #include "JackThreadedDriver.h"
00028 #include "JackTime.h"
00029 
00030 #include "ffado_driver.h"
00031 
00032 namespace Jack
00033 {
00034 
00039 class JackFFADODriver : public JackAudioDriver
00040 {
00041 
00042     private:
00043 
00044         // enable verbose messages
00045         int g_verbose;
00046 
00047         jack_driver_t* fDriver;
00048         int ffado_driver_attach (ffado_driver_t *driver);
00049         int ffado_driver_detach (ffado_driver_t *driver);
00050         int ffado_driver_read (ffado_driver_t * driver, jack_nframes_t nframes);
00051         int ffado_driver_write (ffado_driver_t * driver, jack_nframes_t nframes);
00052         jack_nframes_t ffado_driver_wait (ffado_driver_t *driver,
00053                                           int extra_fd, int *status,
00054                                           float *delayed_usecs);
00055         int ffado_driver_start (ffado_driver_t *driver);
00056         int ffado_driver_stop (ffado_driver_t *driver);
00057         int ffado_driver_restart (ffado_driver_t *driver);
00058         ffado_driver_t *ffado_driver_new (const char *name, ffado_jack_settings_t *params);
00059         void ffado_driver_delete (ffado_driver_t *driver);
00060 
00061         void jack_driver_init (jack_driver_t *driver);
00062         void jack_driver_nt_init (jack_driver_nt_t * driver);
00063         void UpdateLatencies();
00064 
00065     public:
00066 
00067         JackFFADODriver(const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table)
00068             : JackAudioDriver(name, alias,engine, table)
00069         {}
00070         virtual ~JackFFADODriver()
00071         {}
00072 
00073         int Open(ffado_jack_settings_t *cmlparams);
00074 
00075         int Close();
00076         int Attach();
00077         int Detach();
00078 
00079         int Start();
00080         int Stop();
00081 
00082         int Read();
00083         int Write();
00084 
00085         // BufferSize can be changed
00086         bool IsFixedBufferSize()
00087         {
00088             return false;
00089         }
00090 
00091         int SetBufferSize(jack_nframes_t nframes);
00092 };
00093 
00094 } // end of namespace
00095 
00096 #endif