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/jack.h>
  28 #include <jack/transport.h>
  29 #include "jack/jslist.h"
  30
  31 #if HAVE_CELT
  32 #include <celt/celt.h>
  33 #endif
  34
  35 #ifdef __cplusplus
  36 extern "C"
  37 {
  38 #endif
  39
  40     struct _packet_cache;
  41
  42     typedef struct _netjack_driver_state netjack_driver_state_t;
  43
  44     struct _netjack_driver_state {
  45         jack_nframes_t  net_period_up;
  46         jack_nframes_t  net_period_down;
  47
  48         jack_nframes_t  sample_rate;
  49         jack_nframes_t  bitdepth;
  50         jack_nframes_t  period_size;
  51         jack_time_t         period_usecs;
  52         int                 dont_htonl_floats;
  53         int                 always_deadline;
  54
  55         jack_nframes_t  codec_latency;
  56
  57         unsigned int    listen_port;
  58
  59         unsigned int    capture_channels;
  60         unsigned int    playback_channels;
  61         unsigned int    capture_channels_audio;
  62         unsigned int    playback_channels_audio;
  63         unsigned int    capture_channels_midi;
  64         unsigned int    playback_channels_midi;
  65
  66         JSList      *capture_ports;
  67         JSList      *playback_ports;
  68         JSList      *playback_srcs;
  69         JSList      *capture_srcs;
  70
  71         jack_client_t   *client;
  72
  73 #ifdef WIN32
  74         SOCKET      sockfd;
  75         SOCKET      outsockfd;
  76 #else
  77         int                 sockfd;
  78         int                 outsockfd;
  79 #endif
  80
  81         struct sockaddr_in syncsource_address;
  82
  83         int                 reply_port;
  84         int                 srcaddress_valid;
  85
  86         int sync_state;
  87         unsigned int handle_transport_sync;
  88
  89         unsigned int *rx_buf;
  90         unsigned int rx_bufsize;
  91         //unsigned int tx_bufsize;
  92         unsigned int mtu;
  93         unsigned int latency;
  94         unsigned int redundancy;
  95
  96         jack_nframes_t expected_framecnt;
  97         int                expected_framecnt_valid;
  98         unsigned int   num_lost_packets;
  99         jack_time_t        next_deadline;
 100         jack_time_t        deadline_offset;
 101         int                next_deadline_valid;
 102         int                packet_data_valid;
 103         int                resync_threshold;
 104         int                running_free;
 105         int                deadline_goodness;
 106         jack_time_t        time_to_deadline;
 107         unsigned int   use_autoconfig;
 108         unsigned int   resample_factor;
 109         unsigned int   resample_factor_up;
 110         int                jitter_val;
 111         struct _packet_cache * packcache;
 112 #if HAVE_CELT
 113         CELTMode           *celt_mode;
 114 #endif
 115     };
 116
 117     int netjack_wait( netjack_driver_state_t *netj );
 118     void netjack_send_silence( netjack_driver_state_t *netj, int syncstate );
 119     void netjack_read( netjack_driver_state_t *netj, jack_nframes_t nframes ) ;
 120     void netjack_write( netjack_driver_state_t *netj, jack_nframes_t nframes, int syncstate );
 121     void netjack_attach( netjack_driver_state_t *netj );
 122     void netjack_detach( netjack_driver_state_t *netj );
 123
 124     netjack_driver_state_t *netjack_init (netjack_driver_state_t *netj,
 125                                           jack_client_t * client,
 126                                           const char *name,
 127                                           unsigned int capture_ports,
 128                                           unsigned int playback_ports,
 129                                           unsigned int capture_ports_midi,
 130                                           unsigned int playback_ports_midi,
 131                                           jack_nframes_t sample_rate,
 132                                           jack_nframes_t period_size,
 133                                           unsigned int listen_port,
 134                                           unsigned int transport_sync,
 135                                           unsigned int resample_factor,
 136                                           unsigned int resample_factor_up,
 137                                           unsigned int bitdepth,
 138                                           unsigned int use_autoconfig,
 139                                           unsigned int latency,
 140                                           unsigned int redundancy,
 141                                           int dont_htonl_floats,
 142                                           int always_deadline,
 143                                           int jitter_val );
 144
 145     void netjack_release( netjack_driver_state_t *netj );
 146     int netjack_startup( netjack_driver_state_t *netj );
 147
 148 #ifdef __cplusplus
 149 }
 150 #endif
 151
 152 #endif