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simplify things with just 1 process function

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Make just one process function in spa node. With the io area states
we can do more complicated io patterns.
This commit is contained in:
Wim Taymans 2018-03-16 16:55:25 +01:00
parent e8d0281982
commit 9b0a880afb
21 changed files with 202 additions and 359 deletions
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56
spa/include/spa/graph/graph.h
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@ -48,6 +48,8 @@ struct spa_graph_callbacks {
struct spa_graph {
struct spa_list link; /* link for subgraph */
#define SPA_GRAPH_FLAG_DRIVER (1 << 0)
uint32_t flags; /* flags */
struct spa_graph *parent; /* parent graph or NULL when driver */
struct spa_list nodes; /* list of nodes of this graph */
struct spa_list subgraphs; /* list of subgraphs */
@ -55,25 +57,6 @@ struct spa_graph {
void *callbacks_data;
};
static inline struct spa_graph * spa_graph_find_root(struct spa_graph *graph)
{
while (graph->parent)
graph = graph->parent;
return graph;
}
static inline void spa_graph_add_subgraph(struct spa_graph *graph, struct spa_graph *subgraph)
{
subgraph->parent = graph;
spa_list_append(&graph->subgraphs, &subgraph->link);
}
static inline void spa_graph_remove_subgraph(struct spa_graph *subgraph)
{
subgraph->parent = NULL;
spa_list_remove(&subgraph->link);
}
#define spa_graph_need_input(g,n) ((g)->callbacks->need_input((g)->callbacks_data, (n)))
#define spa_graph_have_output(g,n) ((g)->callbacks->have_output((g)->callbacks_data, (n)))
#define spa_graph_run(g) ((g)->callbacks->run((g)->callbacks_data))
@ -124,6 +107,8 @@ static inline void spa_graph_init(struct spa_graph *graph)
{
spa_list_init(&graph->nodes);
spa_list_init(&graph->subgraphs);
graph->flags = 0;
spa_debug("graph %p init", graph);
}
static inline void
@ -135,6 +120,27 @@ spa_graph_set_callbacks(struct spa_graph *graph,
graph->callbacks_data = data;
}
static inline struct spa_graph *spa_graph_find_root(struct spa_graph *graph)
{
while (graph->parent)
graph = graph->parent;
return graph;
}
static inline void spa_graph_add_subgraph(struct spa_graph *graph, struct spa_graph *subgraph)
{
subgraph->parent = graph;
spa_list_append(&graph->subgraphs, &subgraph->link);
spa_debug("graph %p add subgraph %p", graph, subgraph);
}
static inline void spa_graph_remove_subgraph(struct spa_graph *subgraph)
{
subgraph->parent = NULL;
spa_list_remove(&subgraph->link);
spa_debug("graph %p remove subgraph", subgraph);
}
static inline void
spa_graph_node_init(struct spa_graph_node *node, struct spa_graph_state *state)
{
@ -163,7 +169,7 @@ spa_graph_node_add(struct spa_graph *graph,
node->graph = graph;
node->sched_link.next = NULL;
spa_list_append(&graph->nodes, &node->link);
spa_debug("node %p add", node);
spa_debug("node %p add to graph %p", node, graph);
}
static inline void
@ -241,15 +247,9 @@ static inline int spa_graph_node_impl_process(void *data, struct spa_graph_node
{
struct spa_graph *g = node->graph;
struct spa_node *n = data;
//int old = node->state->status, res = 0;
int res = 0;
// if (old == SPA_STATUS_NEED_BUFFER && n->process_input &&
if (n->process_input &&
!spa_list_is_empty(&node->ports[SPA_DIRECTION_INPUT]))
res = spa_node_process_input(n);
else
res = spa_node_process_output(n);
res = spa_node_process(n);
spa_debug("node %p: process %d", node, res);
@ -258,8 +258,6 @@ static inline int spa_graph_node_impl_process(void *data, struct spa_graph_node
if (res == SPA_STATUS_HAVE_BUFFER)
spa_graph_have_output(g, node);
spa_debug("node %p: end %d", node, res);
return res;
}