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Use graph to schedule things

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Make real spa_graph nodes and ports and schedule those. This makes
it possible to add explicit tee and mixers in the real graph.
Rework the way we add and remove ports and nodes from the graph.
Remove confusing pw_port_link and merge core with pw_link_new()
Move scheduling in separate files, add some more graph-schedulers.
This commit is contained in:
Wim Taymans 2017-06-30 19:32:11 +02:00
parent 7297c18839
commit d2f877912a
19 changed files with 845 additions and 428 deletions
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13
spa/tests/test-graph.c
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@ -36,6 +36,7 @@
#include <spa/format-utils.h>
#include <spa/format-builder.h>
#include <spa/graph.h>
#include <spa/graph-scheduler1.h>
static SPA_TYPE_MAP_IMPL(default_map, 4096);
static SPA_LOG_IMPL(default_log);
@ -97,6 +98,7 @@ struct data {
uint32_t n_support;
struct spa_graph graph;
struct spa_graph_scheduler sched;
struct spa_graph_node source_node;
struct spa_graph_port source_out;
struct spa_graph_port volume_in;
@ -229,9 +231,9 @@ static void on_sink_need_input(struct spa_node *node, void *user_data)
{
struct data *data = user_data;
spa_graph_node_pull(&data->graph, &data->sink_node);
spa_graph_scheduler_pull(&data->sched, &data->sink_node);
while (spa_graph_node_iterate(&data->graph));
while (spa_graph_scheduler_iterate(&data->sched));
}
static void
@ -338,12 +340,12 @@ static int make_nodes(struct data *data, const char *device)
spa_node_port_set_io(data->volume, SPA_DIRECTION_OUTPUT, 0, &data->volume_sink_io[0]);
spa_node_port_set_io(data->sink, SPA_DIRECTION_INPUT, 0, &data->volume_sink_io[0]);
spa_graph_node_add(&data->graph, &data->source_node, spa_graph_node_schedule_default,
spa_graph_node_add(&data->graph, &data->source_node, spa_graph_scheduler_default,
data->source);
spa_graph_port_add(&data->graph, &data->source_node, &data->source_out,
SPA_DIRECTION_OUTPUT, 0, 0, &data->source_volume_io[0]);
spa_graph_node_add(&data->graph, &data->volume_node, spa_graph_node_schedule_default,
spa_graph_node_add(&data->graph, &data->volume_node, spa_graph_scheduler_default,
data->volume);
spa_graph_port_add(&data->graph, &data->volume_node, &data->volume_in, SPA_DIRECTION_INPUT,
0, 0, &data->source_volume_io[0]);
@ -353,7 +355,7 @@ static int make_nodes(struct data *data, const char *device)
spa_graph_port_add(&data->graph, &data->volume_node,
&data->volume_out, SPA_DIRECTION_OUTPUT, 0, 0, &data->volume_sink_io[0]);
spa_graph_node_add(&data->graph, &data->sink_node, spa_graph_node_schedule_default,
spa_graph_node_add(&data->graph, &data->sink_node, spa_graph_scheduler_default,
data->sink);
spa_graph_port_add(&data->graph, &data->sink_node, &data->sink_in, SPA_DIRECTION_INPUT, 0,
0, &data->volume_sink_io[0]);
@ -528,6 +530,7 @@ int main(int argc, char *argv[])
spa_graph_init(&data.graph);
spa_graph_scheduler_init(&data.sched, &data.graph);
data.map = &default_map.map;
data.log = &default_log.log;