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Add support for async results

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Add an async result code and an event to signal the completion.
Use async return values to signal completion of a method and potential
state change.
Add selected format to port update message.
Make it possible to parse into a custom copy of the command memory.
Remove state change events from the elements, we now just update the
state.
Implement async results in the proxy element
Add support for removing buffers in the client.
Fix up pinossink
Deal with async return in the links.
This commit is contained in:
Wim Taymans 2016-09-22 08:55:30 +02:00
parent 27acab7532
commit 68148188fa
25 changed files with 456 additions and 406 deletions
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30
spa/plugins/volume/volume.c
View file

@ -96,6 +96,12 @@ reset_volume_props (SpaVolumeProps *props)
props->mute = default_mute;
}
static void
update_state (SpaVolume *this, SpaNodeState state)
{
this->node.state = state;
}
static SpaResult
spa_volume_node_get_props (SpaNode *node,
SpaProps **props)
@ -152,31 +158,11 @@ spa_volume_node_send_command (SpaNode *node,
return SPA_RESULT_INVALID_COMMAND;
case SPA_NODE_COMMAND_START:
if (this->event_cb) {
SpaNodeEvent event;
SpaNodeEventStateChange sc;
event.type = SPA_NODE_EVENT_TYPE_STATE_CHANGE;
event.data = ≻
event.size = sizeof (sc);
sc.state = SPA_NODE_STATE_STREAMING;
this->event_cb (node, &event, this->user_data);
}
update_state (this, SPA_NODE_STATE_STREAMING);
break;
case SPA_NODE_COMMAND_PAUSE:
if (this->event_cb) {
SpaNodeEvent event;
SpaNodeEventStateChange sc;
event.type = SPA_NODE_EVENT_TYPE_STATE_CHANGE;
event.data = ≻
event.size = sizeof (sc);
sc.state = SPA_NODE_STATE_PAUSED;
this->event_cb (node, &event, this->user_data);
}
update_state (this, SPA_NODE_STATE_PAUSED);
break;
case SPA_NODE_COMMAND_FLUSH: