Jack2: netjack.h Source File

00001 
00002 /*
00003     Copyright (C) 2003 Robert Ham <rah@bash.sh>
00004     Copyright (C) 2005 Torben Hohn <torbenh@gmx.de>
00005 
00006     This program is free software; you can redistribute it and/or modify
00007     it under the terms of the GNU General Public License as published by
00008     the Free Software Foundation; either version 2 of the License, or
00009     (at your option) any later version.
00010 
00011     This program is distributed in the hope that it will be useful,
00012     but WITHOUT ANY WARRANTY; without even the implied warranty of
00013     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014     GNU General Public License for more details.
00015 
00016     You should have received a copy of the GNU General Public License
00017     along with this program; if not, write to the Free Software
00018     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00019 */
00020 
00021 #ifndef __NETJACK_H__
00022 #define __NETJACK_H__
00023 
00024 #include <unistd.h>
00025 
00026 #include <jack/types.h>
00027 #include <jack/jack.h>
00028 #include <jack/transport.h>
00029 #include "jack/jslist.h"
00030 
00031 #if HAVE_CELT
00032 #include <celt/celt.h>
00033 #endif
00034 
00035 #if HAVE_OPUS
00036 #include <opus/opus.h>
00037 #include <opus/opus_custom.h>
00038 #endif
00039 
00040 #ifdef __cplusplus
00041 extern "C"
00042 {
00043 #endif
00044 
00045     struct _packet_cache;
00046 
00047     typedef struct _netjack_driver_state netjack_driver_state_t;
00048 
00049     struct _netjack_driver_state {
00050         jack_nframes_t  net_period_up;
00051         jack_nframes_t  net_period_down;
00052 
00053         jack_nframes_t  sample_rate;
00054         jack_nframes_t  bitdepth;
00055         jack_nframes_t  period_size;
00056         jack_time_t         period_usecs;
00057         int                 dont_htonl_floats;
00058         int                 always_deadline;
00059 
00060         jack_nframes_t  codec_latency;
00061 
00062         unsigned int    listen_port;
00063 
00064         unsigned int    capture_channels;
00065         unsigned int    playback_channels;
00066         unsigned int    capture_channels_audio;
00067         unsigned int    playback_channels_audio;
00068         unsigned int    capture_channels_midi;
00069         unsigned int    playback_channels_midi;
00070 
00071         JSList      *capture_ports;
00072         JSList      *playback_ports;
00073         JSList      *playback_srcs;
00074         JSList      *capture_srcs;
00075 
00076         jack_client_t   *client;
00077 
00078 #ifdef WIN32
00079         SOCKET      sockfd;
00080         SOCKET      outsockfd;
00081 #else
00082         int                 sockfd;
00083         int                 outsockfd;
00084 #endif
00085 
00086         struct sockaddr_in syncsource_address;
00087 
00088         int                 reply_port;
00089         int                 srcaddress_valid;
00090 
00091         int sync_state;
00092         unsigned int handle_transport_sync;
00093 
00094         unsigned int *rx_buf;
00095         unsigned int rx_bufsize;
00096         //unsigned int tx_bufsize;
00097         unsigned int mtu;
00098         unsigned int latency;
00099         unsigned int redundancy;
00100 
00101         jack_nframes_t expected_framecnt;
00102         int                expected_framecnt_valid;
00103         unsigned int   num_lost_packets;
00104         jack_time_t        next_deadline;
00105         jack_time_t        deadline_offset;
00106         int                next_deadline_valid;
00107         int                packet_data_valid;
00108         int                resync_threshold;
00109         int                running_free;
00110         int                deadline_goodness;
00111         jack_time_t        time_to_deadline;
00112         unsigned int   use_autoconfig;
00113         unsigned int   resample_factor;
00114         unsigned int   resample_factor_up;
00115         int                jitter_val;
00116         struct _packet_cache * packcache;
00117 #if HAVE_CELT
00118         CELTMode           *celt_mode;
00119 #endif
00120 #if HAVE_OPUS
00121         OpusCustomMode* opus_mode;
00122 #endif
00123     };
00124   
00125     int netjack_wait( netjack_driver_state_t *netj );
00126     void netjack_send_silence( netjack_driver_state_t *netj, int syncstate );
00127     void netjack_read( netjack_driver_state_t *netj, jack_nframes_t nframes ) ;
00128     void netjack_write( netjack_driver_state_t *netj, jack_nframes_t nframes, int syncstate );
00129     void netjack_attach( netjack_driver_state_t *netj );
00130     void netjack_detach( netjack_driver_state_t *netj );
00131 
00132     netjack_driver_state_t *netjack_init (netjack_driver_state_t *netj,
00133                                           jack_client_t * client,
00134                                           const char *name,
00135                                           unsigned int capture_ports,
00136                                           unsigned int playback_ports,
00137                                           unsigned int capture_ports_midi,
00138                                           unsigned int playback_ports_midi,
00139                                           jack_nframes_t sample_rate,
00140                                           jack_nframes_t period_size,
00141                                           unsigned int listen_port,
00142                                           unsigned int transport_sync,
00143                                           unsigned int resample_factor,
00144                                           unsigned int resample_factor_up,
00145                                           unsigned int bitdepth,
00146                                           unsigned int use_autoconfig,
00147                                           unsigned int latency,
00148                                           unsigned int redundancy,
00149                                           int dont_htonl_floats,
00150                                           int always_deadline,
00151                                           int jitter_val );
00152 
00153     void netjack_release( netjack_driver_state_t *netj );
00154     int netjack_startup( netjack_driver_state_t *netj );
00155 
00156 #ifdef __cplusplus
00157 }
00158 #endif
00159 
00160 #endif