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/*
* module-agl-audio -- PulseAudio module for providing audio routing support
* (forked from "module-murphy-ivi" - https://github.com/otcshare )
* Copyright (c) 2012, Intel Corporation.
* Copyright (c) 2016, IoT.bzh
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU Lesser General Public License,
* version 2.1, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St - Fifth Floor, Boston,
* MA 02110-1301 USA.
*
*/
#ifndef paaglrouter
#define paaglrouter
#include "userdata.h"
#include "list.h"
#include "node.h"
#define AGL_ZONE_MAX 8 /* max 8 zones, demo is using 5 */ /* DEFINED IN MURPHY */
typedef bool (*agl_rtgroup_accept_t)(struct userdata *, agl_rtgroup *, agl_node *);
typedef int (*agl_rtgroup_compare_t)(struct userdata *, agl_rtgroup *, agl_node *, agl_node *);
struct agl_rtgroup {
char *name; /**< name of the rtgroup */
agl_dlist entries; /**< listhead of ordered rtentries */
agl_node *node; /**< final node */
agl_rtgroup_accept_t accept; /**< function pointer, whether to accept a node or not */
agl_rtgroup_compare_t compare; /**< function pointer, comparision for ordering */
};
typedef struct {
pa_hashmap *input;
pa_hashmap *output;
} agl_rtgroup_hash;
typedef struct {
agl_rtgroup **input[AGL_ZONE_MAX];
agl_rtgroup **output[AGL_ZONE_MAX];
} agl_rtgroup_classmap;
struct agl_router {
agl_rtgroup_hash rtgroups;
size_t maplen; /**< length of the class */
agl_rtgroup_classmap classmap; /**< map device node types to rtgroups */
int *priormap; /**< stream node priorities */
agl_dlist nodlist; /**< priorized list of the stream nodes
(entry in node: rtprilist) */
agl_dlist connlist; /**< listhead of the connections */
};
struct agl_connection {
agl_dlist link; /**< list of connections */
bool blocked; /**< true if this conflicts with another route */
uint16_t amid; /**< audio manager connection id */
uint32_t from; /**< source node index */
uint32_t to; /**< destination node index */
uint32_t stream; /**< index of the sink-input to be routed */
};
agl_router *agl_router_init (struct userdata *);
void agl_router_done (struct userdata *);
bool agl_router_default_accept (struct userdata *, agl_rtgroup *, agl_node *);
bool agl_router_phone_accept (struct userdata *, agl_rtgroup *, agl_node *);
int agl_router_default_compare (struct userdata *, agl_rtgroup *, agl_node *, agl_node *);
int agl_router_phone_compare (struct userdata *, agl_rtgroup *, agl_node *, agl_node *);
agl_rtgroup *agl_router_create_rtgroup (struct userdata *, agl_direction, const char *, const char *, agl_rtgroup_accept_t, agl_rtgroup_compare_t);
void agl_router_destroy_rtgroup (struct userdata *, agl_direction, const char *);
bool agl_router_assign_class_to_rtgroup (struct userdata *, agl_node_type, uint32_t, agl_direction, const char *);
void agl_router_assign_class_priority (struct userdata *, agl_node_type, int);
void agl_router_register_node (struct userdata *, agl_node *);
void agl_router_unregister_node (struct userdata *, agl_node *);
agl_node *agl_router_make_prerouting (struct userdata *, agl_node *);
void agl_router_make_routing (struct userdata *);
void implement_default_route (struct userdata *, agl_node *, agl_node *, uint32_t);
agl_node *find_default_route (struct userdata *, agl_node *, uint32_t);
void remove_routes (struct userdata *, agl_node *, agl_node*, uint32_t);
#endif
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