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control: rework for spa_io_sequence

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Put a pw_control object on all ports that support control messages.
Allow linking of control objects (and thus ports).
Make export-sink generate control messages to update the contrast
property.
This commit is contained in:
Wim Taymans 2018-08-30 09:54:54 +02:00
parent 2631db14a8
commit 05d3502c84
7 changed files with 149 additions and 93 deletions
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4
src/modules/module-client-node/client-stream.c
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@ -559,7 +559,7 @@ static void try_link_controls(struct impl *impl, struct pw_port *port, struct pw
pw_log_debug("module %p: trying controls", impl);
spa_list_for_each(cout, &port->control_list[SPA_DIRECTION_OUTPUT], port_link) {
spa_list_for_each(cin, &target->control_list[SPA_DIRECTION_INPUT], port_link) {
if (cin->prop_id == cout->prop_id) {
if (cin->id != cout->id) {
if ((res = pw_control_link(cout, cin)) < 0)
pw_log_error("failed to link controls: %s", spa_strerror(res));
}
@ -567,7 +567,7 @@ static void try_link_controls(struct impl *impl, struct pw_port *port, struct pw
}
spa_list_for_each(cin, &port->control_list[SPA_DIRECTION_INPUT], port_link) {
spa_list_for_each(cout, &target->control_list[SPA_DIRECTION_OUTPUT], port_link) {
if (cin->prop_id == cout->prop_id) {
if (cin->id != cout->id) {
if ((res = pw_control_link(cout, cin)) < 0)
pw_log_error("failed to link controls: %s", spa_strerror(res));
}