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avb: implement streams

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Add in input/output stream, setup the talker/listeners.
Implement IEC61883 audio packets, send and receive data.
Implement talker encoding.

With this, audio can be sent and received from MOTU M64.
This commit is contained in:
Wim Taymans 2022-04-05 18:10:27 +02:00
parent 460cedbc86
commit e0d6b2bb4f
15 changed files with 1083 additions and 94 deletions
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43
src/modules/module-avb/mrp.c
View file

@ -180,6 +180,38 @@ int avb_mrp_parse_packet(struct avb_mrp *mrp, uint64_t now, const void *pkt, int
return 0;
}
const char *avb_mrp_notify_name(uint8_t notify)
{
switch(notify) {
case AVB_MRP_NOTIFY_NEW:
return "new";
case AVB_MRP_NOTIFY_JOIN:
return "join";
case AVB_MRP_NOTIFY_LEAVE:
return "leave";
}
return "unknown";
}
const char *avb_mrp_send_name(uint8_t send)
{
switch(send) {
case AVB_MRP_SEND_NEW:
return "new";
case AVB_MRP_SEND_JOININ:
return "joinin";
case AVB_MRP_SEND_IN:
return "in";
case AVB_MRP_SEND_JOINMT:
return "joinmt";
case AVB_MRP_SEND_MT:
return "mt";
case AVB_MRP_SEND_LV:
return "leave";
}
return "unknown";
}
struct avb_mrp_attribute *avb_mrp_attribute_new(struct avb_mrp *m,
size_t user_size)
{
@ -198,6 +230,13 @@ struct avb_mrp_attribute *avb_mrp_attribute_new(struct avb_mrp *m,
return &a->attr;
}
void avb_mrp_attribute_destroy(struct avb_mrp_attribute *attr)
{
struct attribute *a = SPA_CONTAINER_OF(attr, struct attribute, attr);
spa_list_remove(&a->link);
free(a);
}
void avb_mrp_attribute_add_listener(struct avb_mrp_attribute *attr, struct spa_hook *listener,
const struct avb_mrp_attribute_events *events, void *data)
{
@ -247,7 +286,7 @@ void avb_mrp_attribute_update_state(struct avb_mrp_attribute *attr, uint64_t now
switch (state) {
case AVB_MRP_IN:
a->leave_timeout = now + MRP_LVTIMER_MS * SPA_NSEC_PER_MSEC;
state = AVB_MRP_LV;
//state = AVB_MRP_LV;
break;
}
break;
@ -276,7 +315,7 @@ void avb_mrp_attribute_update_state(struct avb_mrp_attribute *attr, uint64_t now
}
if (a->registrar_state != state || notify) {
pw_log_debug("attr %p: %d %d -> %d %d", a, event, a->registrar_state, state, notify);
pw_log_info("attr %p: %d %d -> %d %d", a, event, a->registrar_state, state, notify);
a->registrar_state = state;
}