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/*
* FireWire Backend for Jack
* using FFADO
* FFADO = Firewire (pro-)audio for linux
*
* http://www.ffado.org
* http://www.jackaudio.org
*
* Copyright (C) 2005-2007 Pieter Palmers
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* Main Jack driver entry routines
*
*/
#ifndef __JACK_FFADO_DRIVER_H__
#define __JACK_FFADO_DRIVER_H__
#include <assert.h>
#include <libffado/ffado.h>
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <stdio.h>
#include <poll.h>
#include <sys/time.h>
#include <netinet/in.h>
#include <endian.h>
#include <pthread.h>
#include <semaphore.h>
#include <jack/types.h>
#include <jack/ringbuffer.h>
#include <jack/thread.h>
#include "driver.h"
#include "engine.h"
#include "internal.h"
#include "../alsa_midi/midi_pack.h"
#include "../alsa_midi/midi_unpack.h"
// debug print control flags
#define DEBUG_LEVEL_BUFFERS (1<<0)
#define DEBUG_LEVEL_HANDLERS (1<<1)
#define DEBUG_LEVEL_XRUN_RECOVERY (1<<2)
#define DEBUG_LEVEL_WAIT (1<<3)
#define DEBUG_LEVEL_RUN_CYCLE (1<<8)
#define DEBUG_LEVEL_PACKETCOUNTER (1<<16)
#define DEBUG_LEVEL_STARTUP (1<<17)
#define DEBUG_LEVEL_THREADS (1<<18)
//#define DEBUG_ENABLED
#ifdef DEBUG_ENABLED
// default debug level
#define DEBUG_LEVEL ( DEBUG_LEVEL_RUN_CYCLE | \
(DEBUG_LEVEL_XRUN_RECOVERY)| DEBUG_LEVEL_STARTUP | DEBUG_LEVEL_WAIT | DEBUG_LEVEL_PACKETCOUNTER)
#warning Building debug build!
#define printMessage(format, args...) jack_error( "firewire MSG: %s:%d (%s): " format, __FILE__, __LINE__, __FUNCTION__, ##args )
#define printError(format, args...) jack_error( "firewire ERR: %s:%d (%s): " format, __FILE__, __LINE__, __FUNCTION__, ##args )
#define printEnter() jack_error( "FWDRV ENTERS: %s (%s)\n", __FUNCTION__, __FILE__)
#define printExit() jack_error( "FWDRV EXITS: %s (%s)\n", __FUNCTION__, __FILE__)
#define printEnter()
#define printExit()
#define debugError(format, args...) jack_error( "firewire ERR: %s:%d (%s): " format, __FILE__, __LINE__, __FUNCTION__, ##args )
#define debugPrint(Level, format, args...) if(DEBUG_LEVEL & (Level)) jack_error("DEBUG %s:%d (%s) :" format, __FILE__, __LINE__, __FUNCTION__, ##args );
#define debugPrintShort(Level, format, args...) if(DEBUG_LEVEL & (Level)) jack_error( format,##args );
#define debugPrintWithTimeStamp(Level, format, args...) if(DEBUG_LEVEL & (Level)) jack_error( "%16lu: "format, debugGetCurrentUTime(),##args );
#define SEGFAULT int *test=NULL; *test=1;
#else
#define DEBUG_LEVEL
#define printMessage(format, args...) if(g_verbose) \
jack_error("firewire MSG: " format, ##args )
#define printError(format, args...) jack_error("firewire ERR: " format, ##args )
#define printEnter()
#define printExit()
#define debugError(format, args...)
#define debugPrint(Level, format, args...)
#define debugPrintShort(Level, format, args...)
#define debugPrintWithTimeStamp(Level, format, args...)
#endif
typedef struct _ffado_driver ffado_driver_t;
/*
* Jack Driver command line parameters
*/
typedef struct _ffado_jack_settings ffado_jack_settings_t;
struct _ffado_jack_settings {
int verbose_level;
int period_size_set;
jack_nframes_t period_size;
int sample_rate_set;
int sample_rate;
int buffer_size_set;
jack_nframes_t buffer_size;
int playback_ports;
int capture_ports;
jack_nframes_t capture_frame_latency;
jack_nframes_t playback_frame_latency;
int slave_mode;
int snoop_mode;
char *device_info;
};
typedef struct _ffado_capture_channel
{
ffado_streaming_stream_type stream_type;
midi_unpack_t midi_unpack;
uint32_t *midi_buffer;
} ffado_capture_channel_t;
#define MIDI_OVERFLOW_BUFFER_SIZE 4
typedef struct _ffado_playback_channel
{
ffado_streaming_stream_type stream_type;
midi_pack_t midi_pack;
uint32_t *midi_buffer;
// to hold the midi bytes that couldn't be transferred
// during the previous period
char overflow_buffer[MIDI_OVERFLOW_BUFFER_SIZE];
unsigned int nb_overflow_bytes;
} ffado_playback_channel_t;
/*
* JACK driver structure
*/
struct _ffado_driver
{
JACK_DRIVER_NT_DECL;
jack_nframes_t sample_rate;
jack_nframes_t period_size;
unsigned long wait_time;
jack_time_t wait_last;
jack_time_t wait_next;
int wait_late;
jack_client_t *client;
int xrun_detected;
int xrun_count;
int process_count;
/* settings from the command line */
ffado_jack_settings_t settings;
/* the firewire virtual device */
ffado_device_t *dev;
ffado_sample_t *nullbuffer;
ffado_sample_t *scratchbuffer;
JSList *capture_ports;
JSList *playback_ports;
JSList *monitor_ports;
channel_t playback_nchannels;
channel_t capture_nchannels;
ffado_playback_channel_t *playback_channels;
ffado_capture_channel_t *capture_channels;
jack_nframes_t playback_frame_latency;
jack_nframes_t capture_frame_latency;
ffado_device_info_t device_info;
ffado_options_t device_options;
};
#endif /* __JACK_FFADO_DRIVER_H__ */
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