1 #ifndef foopulseextdevicemanagerhfoo 2 #define foopulseextdevicemanagerhfoo 3 4 /*** 5 This file is part of PulseAudio. 6 7 Copyright 2008 Lennart Poettering 8 Copyright 2009 Colin Guthrie 9 10 PulseAudio is free software; you can redistribute it and/or modify 11 it under the terms of the GNU Lesser General Public License as published 12 by the Free Software Foundation; either version 2.1 of the License, 13 or (at your option) any later version. 14 15 PulseAudio is distributed in the hope that it will be useful, but 16 WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18 General Public License for more details. 19 20 You should have received a copy of the GNU Lesser General Public License 21 along with PulseAudio; if not, see <http://www.gnu.org/licenses/>. 22 ***/ 23 24 #include <pulse/cdecl.h> 25 #include <pulse/context.h> 26 #include <pulse/version.h> 27 28 /** \file 29 * 30 * Routines for controlling module-device-manager 31 */ 32 33 PA_C_DECL_BEGIN 34 35 /* Don't extend this struct! It will break binary compatibility, because 36 * pa_ext_device_manager_info.role_priorities points to an array of structs 37 * instead of an array of pointers to structs. */ 38 typedef struct pa_ext_device_manager_role_priority_info { 39 const char *role; 40 uint32_t priority; 41 } pa_ext_device_manager_role_priority_info; 42 43 /** Stores information about one device in the device database that is 44 * maintained by module-device-manager. \since 0.9.21 */ 45 typedef struct pa_ext_device_manager_info { 46 const char *name; /**< Identifier string of the device. A string like "sink:" or similar followed by the name of the device. */ 47 const char *description; /**< The description of the device when it was last seen, if applicable and saved */ 48 const char *icon; /**< The icon given to the device */ 49 uint32_t index; /**< The device index if it is currently available or PA_INVALID_INDEX */ 50 uint32_t n_role_priorities; /**< How many role priorities do we have? */ 51 pa_ext_device_manager_role_priority_info *role_priorities; /**< An array of role priority structures or NULL */ 52 } pa_ext_device_manager_info; 53 54 /** Callback prototype for pa_ext_device_manager_test(). \since 0.9.21 */ 55 typedef void (*pa_ext_device_manager_test_cb_t)( 56 pa_context *c, 57 uint32_t version, 58 void *userdata); 59 60 /** Test if this extension module is available in the server. \since 0.9.21 */ 61 pa_operation *pa_ext_device_manager_test( 62 pa_context *c, 63 pa_ext_device_manager_test_cb_t cb, 64 void *userdata); 65 66 /** Callback prototype for pa_ext_device_manager_read(). \since 0.9.21 */ 67 typedef void (*pa_ext_device_manager_read_cb_t)( 68 pa_context *c, 69 const pa_ext_device_manager_info *info, 70 int eol, 71 void *userdata); 72 73 /** Read all entries from the device database. \since 0.9.21 */ 74 pa_operation *pa_ext_device_manager_read( 75 pa_context *c, 76 pa_ext_device_manager_read_cb_t cb, 77 void *userdata); 78 79 /** Sets the description for a device. \since 0.9.21 */ 80 pa_operation *pa_ext_device_manager_set_device_description( 81 pa_context *c, 82 const char* device, 83 const char* description, 84 pa_context_success_cb_t cb, 85 void *userdata); 86 87 /** Delete entries from the device database. \since 0.9.21 */ 88 pa_operation *pa_ext_device_manager_delete( 89 pa_context *c, 90 const char *const s[], 91 pa_context_success_cb_t cb, 92 void *userdata); 93 94 /** Enable the role-based device-priority routing mode. \since 0.9.21 */ 95 pa_operation *pa_ext_device_manager_enable_role_device_priority_routing( 96 pa_context *c, 97 int enable, 98 pa_context_success_cb_t cb, 99 void *userdata); 100 101 /** Prefer a given device in the priority list. \since 0.9.21 */ 102 pa_operation *pa_ext_device_manager_reorder_devices_for_role( 103 pa_context *c, 104 const char* role, 105 const char** devices, 106 pa_context_success_cb_t cb, 107 void *userdata); 108 109 /** Subscribe to changes in the device database. \since 0.9.21 */ 110 pa_operation *pa_ext_device_manager_subscribe( 111 pa_context *c, 112 int enable, 113 pa_context_success_cb_t cb, 114 void *userdata); 115 116 /** Callback prototype for pa_ext_device_manager_set_subscribe_cb(). \since 0.9.21 */ 117 typedef void (*pa_ext_device_manager_subscribe_cb_t)( 118 pa_context *c, 119 void *userdata); 120 121 /** Set the subscription callback that is called when 122 * pa_ext_device_manager_subscribe() was called. \since 0.9.21 */ 123 void pa_ext_device_manager_set_subscribe_cb( 124 pa_context *c, 125 pa_ext_device_manager_subscribe_cb_t cb, 126 void *userdata); 127 128 PA_C_DECL_END 129 130 #endif 131