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Use remote to join nodes on remote graphs

Browse source 
Make a new method that can take a local node and run it in a remote
pipeline. This basically replaces all functionality of the streams
and more.
Add 2 examples for exporting a sink and a v4l2 node
Make some more things const
Cleanups
Make it possible to do things when the node needs scheduling. The
default node will schedule the local pipeline but the remote node might
also schedule the remote pipeline.
This commit is contained in:
Wim Taymans 2017-07-25 19:52:31 +02:00
parent 589e3d977c
commit 3d9f28c676
40 changed files with 1591 additions and 138 deletions
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12
src/modules/spa/spa-node.c
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@ -59,7 +59,7 @@ static int port_impl_enum_formats(struct pw_port *port,
return spa_node_port_enum_formats(p->node, port->direction, port->port_id, format, filter, index);
}
static int port_impl_set_format(struct pw_port *port, uint32_t flags, struct spa_format *format)
static int port_impl_set_format(struct pw_port *port, uint32_t flags, const struct spa_format *format)
{
struct port *p = port->user_data;
return spa_node_port_set_format(p->node, port->direction, port->port_id, flags, format);
@ -248,7 +248,7 @@ static int node_impl_set_props(struct pw_node *node, const struct spa_props *pro
return spa_node_set_props(impl->node, props);
}
static int node_impl_send_command(struct pw_node *node, struct spa_command *command)
static int node_impl_send_command(struct pw_node *node, const struct spa_command *command)
{
struct impl *impl = node->user_data;
return spa_node_send_command(impl->node, command);
@ -342,18 +342,14 @@ static void on_node_need_input(struct spa_node *node, void *user_data)
{
struct impl *impl = user_data;
struct pw_node *this = impl->this;
spa_graph_scheduler_pull(this->rt.sched, &this->rt.node);
while (spa_graph_scheduler_iterate(this->rt.sched));
pw_signal_emit(&this->need_input, this);
}
static void on_node_have_output(struct spa_node *node, void *user_data)
{
struct impl *impl = user_data;
struct pw_node *this = impl->this;
spa_graph_scheduler_push(this->rt.sched, &this->rt.node);
while (spa_graph_scheduler_iterate(this->rt.sched));
pw_signal_emit(&this->have_output, this);
}
static void