common/netjack.h

   1
   2 /*
   3     Copyright (C) 2003 Robert Ham <rah@bash.sh>
   4     Copyright (C) 2005 Torben Hohn <torbenh@gmx.de>
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #ifndef __NETJACK_H__
  22 #define __NETJACK_H__
  23
  24 #include <unistd.h>
  25
  26 #include <jack/types.h>
  27 //#include <jack/driver.h>
  28 #include <jack/jack.h>
  29 #include <jack/transport.h>
  30
  31 #include "jack/jslist.h"
  32
  33 //#include <netinet/in.h>
  34
  35 #ifdef __cplusplus
  36 extern "C"
  37 {
  38 #endif
  39
  40 typedef struct _netjack_driver_state netjack_driver_state_t;
  41
  42 struct _netjack_driver_state {
  43     jack_nframes_t  net_period_up;
  44     jack_nframes_t  net_period_down;
  45
  46     jack_nframes_t  sample_rate;
  47     jack_nframes_t  bitdepth;
  48     jack_nframes_t  period_size;
  49     jack_time_t     period_usecs;
  50     int             dont_htonl_floats;
  51     int             always_deadline;
  52
  53     jack_nframes_t  codec_latency;
  54
  55     unsigned int    listen_port;
  56
  57     unsigned int    capture_channels;
  58     unsigned int    playback_channels;
  59     unsigned int    capture_channels_audio;
  60     unsigned int    playback_channels_audio;
  61     unsigned int    capture_channels_midi;
  62     unsigned int    playback_channels_midi;
  63
  64     JSList          *capture_ports;
  65     JSList          *playback_ports;
  66     JSList          *playback_srcs;
  67     JSList          *capture_srcs;
  68
  69     jack_client_t   *client;
  70
  71 #ifdef WIN32
  72     SOCKET          sockfd;
  73     SOCKET          outsockfd;
  74 #else
  75     int             sockfd;
  76     int             outsockfd;
  77 #endif
  78
  79     struct sockaddr_in syncsource_address;
  80
  81     int             reply_port;
  82     int             srcaddress_valid;
  83
  84     int sync_state;
  85     unsigned int handle_transport_sync;
  86
  87     unsigned int *rx_buf;
  88     unsigned int rx_bufsize;
  89     //unsigned int tx_bufsize;
  90     unsigned int mtu;
  91     unsigned int latency;
  92     unsigned int redundancy;
  93
  94     jack_nframes_t expected_framecnt;
  95     int            expected_framecnt_valid;
  96     unsigned int   num_lost_packets;
  97     jack_time_t    next_deadline;
  98     jack_time_t    deadline_offset;
  99     int            next_deadline_valid;
 100     int            packet_data_valid;
 101     int            resync_threshold;
 102     int            running_free;
 103     int            deadline_goodness;
 104     jack_time_t    time_to_deadline;
 105     unsigned int   use_autoconfig;
 106     unsigned int   resample_factor;
 107     unsigned int   resample_factor_up;
 108     int            jitter_val;
 109 };
 110
 111 int netjack_wait( netjack_driver_state_t *netj );
 112 void netjack_send_silence( netjack_driver_state_t *netj, int syncstate );
 113 void netjack_read( netjack_driver_state_t *netj, jack_nframes_t nframes ) ;
 114 void netjack_write( netjack_driver_state_t *netj, jack_nframes_t nframes, int syncstate );
 115 void netjack_attach( netjack_driver_state_t *netj );
 116 void netjack_detach( netjack_driver_state_t *netj );
 117
 118 netjack_driver_state_t *netjack_init (netjack_driver_state_t *netj,
 119                 jack_client_t * client,
 120                 const char *name,
 121                 unsigned int capture_ports,
 122                 unsigned int playback_ports,
 123                 unsigned int capture_ports_midi,
 124                 unsigned int playback_ports_midi,
 125                 jack_nframes_t sample_rate,
 126                 jack_nframes_t period_size,
 127                 unsigned int listen_port,
 128                 unsigned int transport_sync,
 129                 unsigned int resample_factor,
 130                 unsigned int resample_factor_up,
 131                 unsigned int bitdepth,
 132                 unsigned int use_autoconfig,
 133                 unsigned int latency,
 134                 unsigned int redundancy,
 135                 int dont_htonl_floats,
 136                 int always_deadline,
 137                 int jitter_val );
 138
 139 void netjack_release( netjack_driver_state_t *netj );
 140 int netjack_startup( netjack_driver_state_t *netj );
 141
 142 #ifdef __cplusplus
 143 }
 144 #endif
 145
 146 #endif