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graph: provide in and out counters

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Make it possible to have input and output counters to see when a
node can be scheduled.
This commit is contained in:
Wim Taymans 2017-09-15 13:37:33 +02:00
parent e641914c2f
commit 26e9daf6b7
6 changed files with 42 additions and 38 deletions
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11
spa/include/spa/graph-scheduler1.h
View file

@ -48,14 +48,15 @@ static inline void spa_graph_data_init(struct spa_graph_data *data,
static inline void spa_graph_data_port_check(struct spa_graph_data *data, struct spa_graph_port *port)
{
struct spa_graph_node *node = port->node;
uint32_t required = node->required[SPA_DIRECTION_INPUT];
if (port->io->status == SPA_RESULT_HAVE_BUFFER)
node->ready_in++;
node->ready[SPA_DIRECTION_INPUT]++;
debug("port %p node %p check %d %d %d\n", port, node,
port->io->status, node->ready_in, node->required_in);
port->io->status, node->ready[SPA_DIRECTION_INPUT], required);
if (node->required_in > 0 && node->ready_in == node->required_in) {
if (required > 0 && node->ready[SPA_DIRECTION_INPUT] == required) {
node->state = SPA_GRAPH_STATE_IN;
if (node->ready_link.next == NULL)
spa_list_insert(data->ready.prev, &node->ready_link);
@ -105,7 +106,7 @@ static inline bool spa_graph_data_iterate(struct spa_graph_data *data)
break;
case SPA_GRAPH_STATE_CHECK_IN:
n->ready_in = 0;
n->ready[SPA_DIRECTION_INPUT] = 0;
spa_list_for_each(p, &n->ports[SPA_DIRECTION_INPUT], link) {
struct spa_graph_node *pn = p->peer->node;
if (p->io->status == SPA_RESULT_NEED_BUFFER) {
@ -116,7 +117,7 @@ static inline bool spa_graph_data_iterate(struct spa_graph_data *data)
&pn->ready_link);
}
} else if (p->io->status == SPA_RESULT_OK)
n->ready_in++;
n->ready[SPA_DIRECTION_INPUT]++;
}
case SPA_GRAPH_STATE_CHECK_OUT:
spa_list_for_each(p, &n->ports[SPA_DIRECTION_OUTPUT], link)

16
spa/include/spa/graph-scheduler2.h
View file

@ -46,11 +46,11 @@ static inline void spa_graph_port_check(struct spa_graph *graph, struct spa_grap
struct spa_graph_node *node = port->node;
if (port->io->status == SPA_RESULT_HAVE_BUFFER)
node->ready_in++;
node->ready++;
debug("port %p node %p check %d %d %d\n", port, node, port->io->status, node->ready_in, node->required_in);
debug("port %p node %p check %d %d %d\n", port, node, port->io->status, node->ready, node->required);
if (node->required_in > 0 && node->ready_in == node->required_in) {
if (node->required > 0 && node->ready == node->required) {
node->action = SPA_GRAPH_ACTION_IN;
if (node->ready_link.next == NULL)
spa_list_insert(graph->ready.prev, &node->ready_link);
@ -63,12 +63,12 @@ static inline void spa_graph_port_check(struct spa_graph *graph, struct spa_grap
static inline void spa_graph_node_update(struct spa_graph *graph, struct spa_graph_node *node) {
struct spa_graph_port *p;
node->ready_in = 0;
node->ready = 0;
spa_list_for_each(p, &node->ports[SPA_DIRECTION_INPUT], link) {
if (p->io->status == SPA_RESULT_OK && !(node->flags & SPA_GRAPH_NODE_FLAG_ASYNC))
node->ready_in++;
node->ready++;
}
debug("node %p update %d ready\n", node, node->ready_in);
debug("node %p update %d ready\n", node, node->ready);
}
static inline bool spa_graph_scheduler_iterate(struct spa_graph *graph)
@ -125,7 +125,7 @@ next:
break;
case SPA_GRAPH_STATE_CHECK_IN:
n->ready_in = 0;
n->ready = 0;
spa_list_for_each(p, &n->ports[SPA_DIRECTION_INPUT], link) {
struct spa_graph_node *pn = p->peer->node;
if (p->io->status == SPA_RESULT_NEED_BUFFER) {
@ -137,7 +137,7 @@ next:
&pn->ready_link);
}
} else if (p->io->status == SPA_RESULT_OK)
n->ready_in++;
n->ready++;
}
break;

28
spa/include/spa/graph-scheduler3.h
View file

@ -36,20 +36,20 @@ static inline int spa_graph_impl_need_input(void *data, struct spa_graph_node *n
spa_list_init(&ready);
node->ready_in = 0;
node->ready[SPA_DIRECTION_INPUT] = 0;
spa_list_for_each(p, &node->ports[SPA_DIRECTION_INPUT], link) {
struct spa_graph_port *pport;
struct spa_graph_node *pnode;
if ((pport = p->peer) == NULL)
continue;
pnode = pport->node;
debug("node %p peer %p io %d\n", node, pnode, pport->io->status);
debug("node %p peer %p io %d %d\n", node, pnode, pport->io->status, pport->io->buffer_id);
if (pport->io->status == SPA_RESULT_NEED_BUFFER) {
if (pnode->ready_link.next == NULL)
spa_list_append(&ready, &pnode->ready_link);
}
else if (pport->io->status == SPA_RESULT_OK && !(pnode->flags & SPA_GRAPH_NODE_FLAG_ASYNC))
node->ready_in++;
node->ready[SPA_DIRECTION_INPUT]++;
}
spa_list_for_each_safe(n, t, &ready, ready_link) {
@ -60,23 +60,23 @@ static inline int spa_graph_impl_need_input(void *data, struct spa_graph_node *n
else {
spa_list_for_each(p, &n->ports[SPA_DIRECTION_OUTPUT], link) {
if (p->io->status == SPA_RESULT_HAVE_BUFFER)
node->ready_in++;
node->ready[SPA_DIRECTION_INPUT]++;
}
}
spa_list_remove(&n->ready_link);
n->ready_link.next = NULL;
}
debug("node %p ready_in:%d required_in:%d\n", node, node->ready_in, node->required_in);
debug("node %p ready:%d required:%d\n", node, node->ready[SPA_DIRECTION_INPUT], node->required[SPA_DIRECTION_INPUT]);
if (node->required_in > 0 && node->ready_in == node->required_in) {
if (node->required[SPA_DIRECTION_INPUT] > 0 && node->ready[SPA_DIRECTION_INPUT] == node->required[SPA_DIRECTION_INPUT]) {
node->state = spa_node_process_input(node->implementation);
debug("node %p processed in %d\n", node, node->state);
if (node->state == SPA_RESULT_HAVE_BUFFER) {
spa_list_for_each(p, &node->ports[SPA_DIRECTION_OUTPUT], link) {
if (p->io->status == SPA_RESULT_HAVE_BUFFER)
if (p->peer)
p->peer->node->ready_in++;
p->peer->node->ready[SPA_DIRECTION_INPUT]++;
}
}
}
@ -100,12 +100,12 @@ static inline int spa_graph_impl_have_output(void *data, struct spa_graph_node *
continue;
pnode = pport->node;
if (pport->io->status == SPA_RESULT_HAVE_BUFFER)
pnode->ready_in++;
pnode->ready[SPA_DIRECTION_INPUT]++;
debug("node %p peer %p io %d %d %d\n", node, pnode, pport->io->status,
pnode->ready_in, pnode->required_in);
pnode->ready[SPA_DIRECTION_INPUT], pnode->required[SPA_DIRECTION_INPUT]);
if (pnode->required_in > 0 && pnode->ready_in == pnode->required_in)
if (pnode->required > 0 && pnode->ready == pnode->required)
if (pnode->ready_link.next == NULL)
spa_list_append(&ready, &pnode->ready_link);
}
@ -116,11 +116,11 @@ static inline int spa_graph_impl_have_output(void *data, struct spa_graph_node *
if (n->state == SPA_RESULT_HAVE_BUFFER)
spa_graph_have_output(n->graph, n);
else {
n->ready_in = 0;
n->ready[SPA_DIRECTION_INPUT] = 0;
spa_list_for_each(p, &n->ports[SPA_DIRECTION_INPUT], link) {
if (p->io->status == SPA_RESULT_OK &&
!(n->flags & SPA_GRAPH_NODE_FLAG_ASYNC))
n->ready_in++;
n->ready[SPA_DIRECTION_INPUT]++;
}
}
spa_list_remove(&n->ready_link);
@ -130,10 +130,10 @@ static inline int spa_graph_impl_have_output(void *data, struct spa_graph_node *
node->state = spa_node_process_output(node->implementation);
debug("node %p processed out %d\n", node, node->state);
if (node->state == SPA_RESULT_NEED_BUFFER) {
node->ready_in = 0;
node->ready[SPA_DIRECTION_INPUT] = 0;
spa_list_for_each(p, &node->ports[SPA_DIRECTION_INPUT], link) {
if (p->io->status == SPA_RESULT_OK && !(node->flags & SPA_GRAPH_NODE_FLAG_ASYNC))
node->ready_in++;
node->ready[SPA_DIRECTION_INPUT]++;
}
}
return SPA_RESULT_OK;

15
spa/include/spa/graph.h
View file

@ -65,8 +65,8 @@ struct spa_graph_node {
struct spa_list ready_link; /**< link for scheduler */
#define SPA_GRAPH_NODE_FLAG_ASYNC (1 << 0)
uint32_t flags; /**< node flags */
uint32_t required_in; /**< required number of ports */
uint32_t ready_in; /**< number of ports with data */
uint32_t required[2]; /**< required number of ports */
uint32_t ready[2]; /**< number of ports with data */
int state; /**< state of the node */
struct spa_node *implementation;/**< node implementation */
void *scheduler_data; /**< scheduler private data */
@ -103,7 +103,8 @@ spa_graph_node_init(struct spa_graph_node *node)
spa_list_init(&node->ports[SPA_DIRECTION_INPUT]);
spa_list_init(&node->ports[SPA_DIRECTION_OUTPUT]);
node->flags = 0;
node->required_in = node->ready_in = 0;
node->required[SPA_DIRECTION_INPUT] = node->ready[SPA_DIRECTION_INPUT] = 0;
node->required[SPA_DIRECTION_OUTPUT] = node->ready[SPA_DIRECTION_OUTPUT] = 0;
debug("node %p init\n", node);
}
@ -146,8 +147,8 @@ spa_graph_port_add(struct spa_graph_node *node,
debug("port %p add to node %p\n", port, node);
port->node = node;
spa_list_append(&node->ports[port->direction], &port->link);
if (!(port->flags & SPA_PORT_INFO_FLAG_OPTIONAL) && port->direction == SPA_DIRECTION_INPUT)
node->required_in++;
if (!(port->flags & SPA_PORT_INFO_FLAG_OPTIONAL))
node->required[port->direction]++;
}
static inline void spa_graph_node_remove(struct spa_graph_node *node)
@ -162,8 +163,8 @@ static inline void spa_graph_port_remove(struct spa_graph_port *port)
{
debug("port %p remove\n", port);
spa_list_remove(&port->link);
if (!(port->flags & SPA_PORT_INFO_FLAG_OPTIONAL) && port->direction == SPA_DIRECTION_INPUT)
port->node->required_in--;
if (!(port->flags & SPA_PORT_INFO_FLAG_OPTIONAL))
port->node->required[port->direction]--;
}
static inline void