Initial commit

Change-Id: Ic974941bdd30309b4adb72b7a05959332750210b
Signed-off-by: Manuel Bachmann <manuel.bachmann@iot.bzh>

1 files changed, 79 insertions, 0 deletions

diff --git a/router.h b/router.h
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--- /dev/null
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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_rtgroup_accept_t accept;*/ /**< function pointer, whether to accept a node or not */
+	/*agl_rtgroup_compare_t compare;*/ /**< function pointer, comparision for ordering */
+	/*scripting_rtgroup *scripting;*/ /**< data for scripting, if any */
+};
+
+typedef struct {
+	pa_hashmap *input;
+	pa_hashmap *output;
+} pa_rtgroup_hash;
+
+typedef struct {
+	agl_rtgroup **input[AGL_ZONE_MAX];
+	agl_rtgroup **output[AGL_ZONE_MAX];
+} pa_rtgroup_classmap;
+
+struct pa_router {
+	pa_rtgroup_hash rtgroups;
+	size_t maplen;		      /**< length of the class */
+	pa_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 */
+};
+
+pa_router *pa_router_init (struct userdata *);
+void pa_router_done (struct userdata *);
+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);
+
+#endif