2 * module-agl-audio -- PulseAudio module for providing audio routing support
3 * (forked from "module-murphy-ivi" - https://github.com/otcshare )
4 * Copyright (c) 2012, Intel Corporation.
5 * Copyright (c) 2016, IoT.bzh
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU Lesser General Public License,
9 * version 2.1, as published by the Free Software Foundation.
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.
14 * See the GNU Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public License
17 * along with this program; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin St - Fifth Floor, Boston,
29 #define AGL_ZONE_MAX 8 /* max 8 zones, demo is using 5 */ /* DEFINED IN MURPHY */
31 typedef bool (*agl_rtgroup_accept_t)(struct userdata *, agl_rtgroup *, agl_node *);
32 typedef int (*agl_rtgroup_compare_t)(struct userdata *, agl_rtgroup *, agl_node *, agl_node *);
35 char *name; /**< name of the rtgroup */
36 agl_dlist entries; /**< listhead of ordered rtentries */
37 agl_rtgroup_accept_t accept; /**< function pointer, whether to accept a node or not */
38 agl_rtgroup_compare_t compare; /**< function pointer, comparision for ordering */
47 agl_rtgroup **input[AGL_ZONE_MAX];
48 agl_rtgroup **output[AGL_ZONE_MAX];
49 } agl_rtgroup_classmap;
52 agl_rtgroup_hash rtgroups;
53 size_t maplen; /**< length of the class */
54 agl_rtgroup_classmap classmap; /**< map device node types to rtgroups */
55 int *priormap; /**< stream node priorities */
56 agl_dlist nodlist; /**< priorized list of the stream nodes
57 (entry in node: rtprilist) */
58 agl_dlist connlist; /**< listhead of the connections */
61 struct agl_connection {
62 agl_dlist link; /**< list of connections */
63 bool blocked; /**< true if this conflicts with another route */
64 uint16_t amid; /**< audio manager connection id */
65 uint32_t from; /**< source node index */
66 uint32_t to; /**< destination node index */
67 uint32_t stream; /**< index of the sink-input to be routed */
70 agl_router *agl_router_init (struct userdata *);
71 void agl_router_done (struct userdata *);
73 bool agl_router_default_accept (struct userdata *, agl_rtgroup *, agl_node *);
74 bool agl_router_phone_accept (struct userdata *, agl_rtgroup *, agl_node *);
75 int agl_router_default_compare (struct userdata *, agl_rtgroup *, agl_node *, agl_node *);
76 int agl_router_phone_compare (struct userdata *, agl_rtgroup *, agl_node *, agl_node *);
78 agl_rtgroup *agl_router_create_rtgroup (struct userdata *, agl_direction, const char *, agl_rtgroup_accept_t, agl_rtgroup_compare_t);
79 void agl_router_destroy_rtgroup (struct userdata *, agl_direction, const char *);
80 bool agl_router_assign_class_to_rtgroup (struct userdata *, agl_node_type, uint32_t, agl_direction, const char *);
81 void agl_router_assign_class_priority (struct userdata *, agl_node_type, int);
83 void agl_router_register_node (struct userdata *, agl_node *);
84 void agl_router_unregister_node (struct userdata *, agl_node *);
85 agl_node *agl_router_make_prerouting (struct userdata *, agl_node *);
86 void agl_router_make_routing (struct userdata *);
88 void implement_default_route (struct userdata *, agl_node *, agl_node *, uint32_t);
89 agl_node *find_default_route (struct userdata *, agl_node *, uint32_t);
90 void remove_routes (struct userdata *, agl_node *, agl_node*, uint32_t);