jack_proxy.h

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*
   3  * LADI Session Handler (ladish)
   4  *
   5  * Copyright (C) 2009 Nedko Arnaudov <nedko@arnaudov.name>
   6  *
   7  **************************************************************************
   8  * This file contains interface to the helper functionality for accessing
   9  * JACK through D-Bus
  10  **************************************************************************
  11  *
  12  * LADI Session Handler is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License as published by
  14  * the Free Software Foundation; either version 2 of the License, or
  15  * (at your option) any later version.
  16  *
  17  * LADI Session Handler is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  * GNU General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU General Public License
  23  * along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
  24  * or write to the Free Software Foundation, Inc.,
  25  * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  26  */
  27
  28 #ifndef JACK_PROXY_H__88702EEC_4B82_407F_A664_AD70C1E14D02__INCLUDED
  29 #define JACK_PROXY_H__88702EEC_4B82_407F_A664_AD70C1E14D02__INCLUDED
  30
  31 #include "common.h"
  32
  33 #define JACKDBUS_SERVICE         "org.jackaudio.service"
  34 #define JACKDBUS_OBJECT          "/org/jackaudio/Controller"
  35
  36 struct jack_parameter_variant
  37 {
  38   enum
  39   {
  40     jack_byte,
  41     jack_boolean,
  42     jack_int16,
  43     jack_uint16,
  44     jack_int32,
  45     jack_uint32,
  46     jack_int64,
  47     jack_uint64,
  48     jack_doubl,
  49     jack_string,
  50   } type;
  51
  52   union
  53   {
  54     unsigned char byte;
  55     bool boolean;
  56     int16_t int16;
  57     uint16_t uint16;
  58     int32_t int32;
  59     uint32_t uint32;
  60     int64_t int64;
  61     uint64_t uint64;
  62     double doubl;
  63     char *string;
  64   } value;
  65 };
  66
  67 typedef
  68 void
  69 (* jack_proxy_callback_server_started)(
  70   void);
  71
  72 typedef
  73 void
  74 (* jack_proxy_callback_server_stopped)(
  75   void);
  76
  77 typedef
  78 void
  79 (* jack_proxy_callback_server_appeared)(
  80   void);
  81
  82 typedef
  83 void
  84 (* jack_proxy_callback_server_disappeared)(
  85   void);
  86
  87 bool
  88 jack_proxy_init(
  89   jack_proxy_callback_server_started server_started,
  90   jack_proxy_callback_server_stopped server_stopped,
  91   jack_proxy_callback_server_appeared server_appeared,
  92   jack_proxy_callback_server_disappeared server_disappeared);
  93
  94 void
  95 jack_proxy_uninit(
  96   void);
  97
  98 bool
  99 jack_proxy_is_started(
 100   bool * started_ptr);
 101
 102 bool jack_proxy_start_server(void);
 103 bool jack_proxy_stop_server(void);
 104
 105 bool jack_proxy_is_realtime(bool * realtime_ptr);
 106 bool jack_proxy_sample_rate(uint32_t * sample_rate_ptr);
 107 bool jack_proxy_get_xruns(uint32_t * xruns_ptr);
 108 bool jack_proxy_get_dsp_load(double * dsp_load_ptr);
 109 bool jack_proxy_get_buffer_size(uint32_t * size_ptr);
 110 bool jack_proxy_set_buffer_size(uint32_t size);
 111 bool jack_proxy_reset_xruns(void);
 112
 113 bool
 114 jack_proxy_get_client_pid(
 115   uint64_t client_id,
 116   pid_t * pid_ptr);
 117
 118 bool
 119 jack_proxy_connect_ports(
 120   uint64_t port1_id,
 121   uint64_t port2_id);
 122
 123 bool
 124 jack_proxy_read_conf_container(
 125   const char * address,
 126   void * callback_context,
 127   bool (* callback)(void * context, bool leaf, const char * address, char * child));
 128
 129 bool
 130 jack_proxy_get_parameter_value(
 131   const char * address,
 132   bool * is_set_ptr,
 133   struct jack_parameter_variant * parameter_ptr);
 134
 135 #endif /* #ifndef JACK_PROXY_H__88702EEC_4B82_407F_A664_AD70C1E14D02__INCLUDED */