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/* ffado_driver.h |
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* |
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* FreeBob Backend for Jack |
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* FreeBob = Firewire (pro-)audio for linux |
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* |
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* adapted for jackmp |
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* |
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* http://freebob.sf.net |
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* http://jackit.sf.net |
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* |
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* Copyright (C) 2005,2006,2007 Pieter Palmers <pieterpalmers@users.sourceforge.net> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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/* |
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* Main Jack driver entry routines |
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* |
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*/ |
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#ifndef __JACK_FFADO_DRIVER_H__ |
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#define __JACK_FFADO_DRIVER_H__ |
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// #define FFADO_DRIVER_WITH_MIDI |
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// #define DEBUG_ENABLED |
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#include <libffado/ffado.h> |
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#include <string.h> |
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#include <stdlib.h> |
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#include <errno.h> |
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#include <stdio.h> |
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#include <poll.h> |
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#include <sys/time.h> |
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#include <netinet/in.h> |
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#include <endian.h> |
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#include <pthread.h> |
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#include <semaphore.h> |
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#include <driver.h> |
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#include <types.h> |
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#ifdef FFADO_DRIVER_WITH_MIDI |
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#include <JackPosixThread.h> |
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#include <alsa/asoundlib.h> |
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#endif |
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// debug print control flags |
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#define DEBUG_LEVEL_BUFFERS (1<<0) |
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#define DEBUG_LEVEL_HANDLERS (1<<1) |
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#define DEBUG_LEVEL_XRUN_RECOVERY (1<<2) |
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#define DEBUG_LEVEL_WAIT (1<<3) |
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#define DEBUG_LEVEL_RUN_CYCLE (1<<8) |
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#define DEBUG_LEVEL_PACKETCOUNTER (1<<16) |
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#define DEBUG_LEVEL_STARTUP (1<<17) |
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#define DEBUG_LEVEL_THREADS (1<<18) |
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#ifdef DEBUG_ENABLED |
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// default debug level |
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#define DEBUG_LEVEL ( DEBUG_LEVEL_RUN_CYCLE | \ |
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(DEBUG_LEVEL_XRUN_RECOVERY)| DEBUG_LEVEL_STARTUP | DEBUG_LEVEL_WAIT | DEBUG_LEVEL_PACKETCOUNTER) |
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#warning Building debug build! |
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#define printMessage(format, args...) jack_error( "FFADO MSG: %s:%d (%s): " format, __FILE__, __LINE__, __FUNCTION__, ##args ) |
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#define printError(format, args...) jack_error( "FFADO ERR: %s:%d (%s): " format, __FILE__, __LINE__, __FUNCTION__, ##args ) |
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/* #define printEnter() jack_error( "FBDRV ENTERS: %s (%s)", __FUNCTION__, __FILE__) |
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#define printExit() jack_error( "FBDRV EXITS: %s (%s)", __FUNCTION__, __FILE__)*/ |
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#define printEnter() |
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#define printExit() |
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#define debugError(format, args...) jack_error( "FFADO ERR: %s:%d (%s): " format, __FILE__, __LINE__, __FUNCTION__, ##args ) |
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#define debugPrint(Level, format, args...) if(DEBUG_LEVEL & (Level)) jack_error("DEBUG %s:%d (%s) :" format, __FILE__, __LINE__, __FUNCTION__, ##args ); |
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#define debugPrintShort(Level, format, args...) if(DEBUG_LEVEL & (Level)) jack_error( format,##args ); |
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#define debugPrintWithTimeStamp(Level, format, args...) if(DEBUG_LEVEL & (Level)) jack_error( "%16lu: "format, debugGetCurrentUTime(),##args ); |
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#define SEGFAULT int *test=NULL; *test=1; |
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#else |
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#define DEBUG_LEVEL |
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#define printMessage(format, args...) if(g_verbose) \ |
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jack_error("FFADO MSG: " format, ##args ) |
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#define printError(format, args...) jack_error("FFADO ERR: " format, ##args ) |
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#define printEnter() |
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#define printExit() |
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#define debugError(format, args...) |
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#define debugPrint(Level, format, args...) |
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#define debugPrintShort(Level, format, args...) |
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#define debugPrintWithTimeStamp(Level, format, args...) |
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#endif |
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// thread priority setup |
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#define FFADO_RT_PRIORITY_PACKETIZER_RELATIVE 5 |
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#ifdef FFADO_DRIVER_WITH_MIDI |
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#define ALSA_SEQ_BUFF_SIZE 1024 |
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#define MIDI_TRANSMIT_BUFFER_SIZE 1024 |
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#define MIDI_THREAD_SLEEP_TIME_USECS 100 |
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// midi priority should be higher than the audio priority in order to |
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// make sure events are not only delivered on period boundarys |
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// but I think it should be smaller than the packetizer thread in order not |
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// to lose any packets |
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#define FFADO_RT_PRIORITY_MIDI_RELATIVE 4 |
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#endif |
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typedef struct _ffado_driver ffado_driver_t; |
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/* |
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* Jack Driver command line parameters |
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*/ |
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typedef struct _ffado_jack_settings ffado_jack_settings_t; |
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struct _ffado_jack_settings |
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{ |
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int period_size_set; |
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jack_nframes_t period_size; |
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int sample_rate_set; |
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int sample_rate; |
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int buffer_size_set; |
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jack_nframes_t buffer_size; |
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int playback_ports; |
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int capture_ports; |
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int verbose_level; |
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jack_nframes_t capture_frame_latency; |
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jack_nframes_t playback_frame_latency; |
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ffado_handle_t fb_handle; |
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}; |
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#ifdef FFADO_DRIVER_WITH_MIDI |
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typedef struct |
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{ |
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int stream_nr; |
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int seq_port_nr; |
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snd_midi_event_t *parser; |
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snd_seq_t *seq_handle; |
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} |
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ffado_midi_port_t; |
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typedef struct _ffado_driver_midi_handle |
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{ |
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ffado_device_t *dev; |
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ffado_driver_t *driver; |
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snd_seq_t *seq_handle; |
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pthread_t queue_thread; |
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pthread_t dequeue_thread; |
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int queue_thread_realtime; |
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int queue_thread_priority; |
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int nb_input_ports; |
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int nb_output_ports; |
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ffado_midi_port_t **input_ports; |
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ffado_midi_port_t **output_ports; |
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ffado_midi_port_t **input_stream_port_map; |
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int *output_port_stream_map; |
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} |
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ffado_driver_midi_handle_t; |
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#endif |
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/* |
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* JACK driver structure |
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*/ |
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struct _ffado_driver |
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{ |
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JACK_DRIVER_NT_DECL |
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jack_nframes_t sample_rate; |
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jack_nframes_t period_size; |
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unsigned long wait_time; |
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jack_time_t wait_last; |
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jack_time_t wait_next; |
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int wait_late; |
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jack_client_t *client; |
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int xrun_detected; |
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int xrun_count; |
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int process_count; |
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/* settings from the command line */ |
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ffado_jack_settings_t settings; |
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/* the freebob virtual device */ |
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ffado_device_t *dev; |
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JSList *capture_ports; |
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JSList *playback_ports; |
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JSList *monitor_ports; |
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unsigned long playback_nchannels; |
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unsigned long capture_nchannels; |
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unsigned long playback_nchannels_audio; |
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unsigned long capture_nchannels_audio; |
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jack_nframes_t playback_frame_latency; |
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jack_nframes_t capture_frame_latency; |
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ffado_device_info_t device_info; |
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ffado_options_t device_options; |
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#ifdef FFADO_DRIVER_WITH_MIDI |
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ffado_driver_midi_handle_t *midi_handle; |
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#endif |
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}; |
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#endif /* __JACK_FFADO_DRIVER_H__ */ |
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