mirror of
https://gitlab.freedesktop.org/pipewire/wireplumber.git
synced 2026-05-04 03:48:02 +02:00
m-config-policy: refactor the target search logic and add debug messages
- fall back to the default logic if node.target is set but it doesn't exist - use the default endpoint if it is within the [target-endpoint] matches; this way we can use a config file to override just the stream name, for instance, while still respecting the default endpoint - prefer use of the lookup methods instead of manual iterations previously the default endpoint was not respected because our config files have a [target-endpoint] table..
This commit is contained in:
George Kiagiadakis
parent
e4e60c2ece
commit
5a0028886b
2 changed files with 70 additions and 63 deletions
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@ -35,104 +35,112 @@ static WpEndpoint *
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wp_config_policy_context_get_endpoint_target (WpConfigPolicyContext *self,
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WpSession *session, WpEndpoint *ep, guint32 *stream_id)
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{
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g_autoptr (WpProperties) ep_props = wp_proxy_get_properties (WP_PROXY (ep));
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const gchar *node_target = NULL;
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g_autoptr (WpEndpoint) target = NULL;
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WpDirection target_dir;
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const gchar *node_target = NULL;
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const gchar *stream_name = NULL;
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g_autoptr (WpIterator) it = NULL;
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g_auto (GValue) val = G_VALUE_INIT;
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g_return_val_if_fail (session, NULL);
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g_return_val_if_fail (ep, NULL);
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target_dir = (wp_endpoint_get_direction (ep) == WP_DIRECTION_INPUT) ?
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WP_DIRECTION_OUTPUT : WP_DIRECTION_INPUT;
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wp_trace_object (self, "Searching link target for " WP_OBJECT_FORMAT
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" (name:'%s', media_class:'%s')", WP_OBJECT_ARGS (ep),
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wp_endpoint_get_name (ep), wp_endpoint_get_media_class (ep));
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/* Check if the node target property is set, and use that target */
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node_target = wp_properties_get (ep_props, PW_KEY_NODE_TARGET);
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node_target = wp_proxy_get_property (WP_PROXY (ep), PW_KEY_NODE_TARGET);
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if (node_target) {
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WpDirection target_dir =
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wp_endpoint_get_direction (ep) == WP_DIRECTION_INPUT ?
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WP_DIRECTION_OUTPUT : WP_DIRECTION_INPUT;
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for (it = wp_session_iterate_endpoints (session);
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wp_iterator_next (it, &val);
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g_value_unset (&val)) {
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WpEndpoint *candidate = g_value_get_object (&val);
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g_autoptr (WpProperties) candidate_props =
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wp_proxy_get_properties (WP_PROXY (candidate));
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const gchar *candidate_node_id = wp_properties_get (candidate_props,
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PW_KEY_NODE_ID);
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if (wp_endpoint_get_direction (candidate) == target_dir &&
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candidate_node_id && atoi (candidate_node_id) == atoi (node_target)) {
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target = g_object_ref (candidate);
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g_value_unset (&val);
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break;
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}
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}
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target = wp_session_lookup_endpoint (session,
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WP_CONSTRAINT_TYPE_G_PROPERTY, "direction", "=u", target_dir,
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WP_CONSTRAINT_TYPE_PW_PROPERTY, PW_KEY_NODE_ID, "=s", node_target,
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NULL);
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wp_debug_object (self, "node.target = %s -> target = " WP_OBJECT_FORMAT,
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node_target, WP_OBJECT_ARGS (target));
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}
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/* Otherwise, check the endpoint-link configuration files */
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else {
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if (!target) {
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g_autoptr (WpCore) core = wp_plugin_get_core (WP_PLUGIN (self));
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g_autoptr (WpConfiguration) config = wp_configuration_get_instance (core);
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g_autoptr (WpConfigParser) parser = wp_configuration_get_parser (config,
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WP_PARSER_ENDPOINT_LINK_EXTENSION);
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const struct WpParserEndpointLinkData *data =
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wp_config_parser_get_matched_data (parser, G_OBJECT (ep));
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if (!data)
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return NULL;
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guint def_id = wp_session_get_default_endpoint (session, target_dir);
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/* If target-endpoint data was defined in the configuration file, find the
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* matching endpoint based on target-endpoint data */
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if (data->has_te) {
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guint highest_prio = 0;
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for (it = wp_session_iterate_endpoints (session);
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if (data && data->has_te) {
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g_autoptr (WpIterator) it = NULL;
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g_auto (GValue) val = G_VALUE_INIT;
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gint highest_prio = -1, prio = 0;
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for (it = wp_session_iterate_endpoints_filtered (session,
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WP_CONSTRAINT_TYPE_G_PROPERTY, "direction", "=u", target_dir,
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NULL);
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wp_iterator_next (it, &val);
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g_value_unset (&val)) {
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g_value_unset (&val))
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{
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WpEndpoint *candidate = g_value_get_object (&val);
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if (wp_parser_endpoint_link_matches_endpoint_data (candidate,
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&data->te.endpoint_data)) {
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g_autoptr (WpProperties) props =
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wp_proxy_get_properties (WP_PROXY (candidate));
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const char *priority = wp_properties_get (props, "endpoint.priority");
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const guint prio = atoi (priority);
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if (highest_prio <= prio) {
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highest_prio = prio;
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target = g_object_ref (candidate);
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&data->te.endpoint_data)) {
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guint32 bound_id = wp_proxy_get_bound_id (WP_PROXY (candidate));
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/* if the default endpoint is one of the matches, prefer it */
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if (bound_id == def_id) {
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wp_debug_object (self, "default endpoint %u matches", def_id);
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target = candidate;
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break;
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}
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/* otherwise find the endpoint with the highest priority */
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else {
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const char *priority =
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wp_proxy_get_property (WP_PROXY (candidate), "endpoint.priority");
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prio = priority ? atoi (priority) : 0;
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if (highest_prio < prio) {
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highest_prio = prio;
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target = candidate;
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wp_debug_object (self, "considering endpoint %u, priority %u",
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bound_id, prio);
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}
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}
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}
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}
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}
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/* Use the stream name from the configuration file */
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stream_name = data->te.stream;
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if (target)
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g_object_ref (target);
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}
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/* Otherwise, use the default session endpoint */
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else {
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guint def_id = wp_session_get_default_endpoint (session,
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data->me.endpoint_data.direction);
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else if (data) {
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target = wp_session_lookup_endpoint (session,
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WP_CONSTRAINT_TYPE_G_PROPERTY, "bound-id", "=u", def_id, NULL);
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}
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/* Use the stream name from the configuration file */
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stream_name = data->te.stream;
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}
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if (!target)
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if (!target) {
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wp_trace_object (self, "could not find a link target");
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return NULL;
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} else {
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wp_debug_object (self, "found link target: " WP_OBJECT_FORMAT
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" (name:'%s', media_class:'%s'), stream = '%s'",
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WP_OBJECT_ARGS (target), wp_endpoint_get_name (target),
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wp_endpoint_get_media_class (target), stream_name);
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}
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/* Find the stream that matches the data name, otherwise use the first one */
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/* Find the stream that matches the stream_name, otherwise use the first one */
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if (stream_id) {
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g_autoptr (WpIterator) stream_it = wp_endpoint_iterate_streams (target);
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g_auto (GValue) stream_val = G_VALUE_INIT;
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*stream_id = SPA_ID_INVALID;
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while (wp_iterator_next (stream_it, &stream_val)) {
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WpProxy *stream = g_value_get_object (&stream_val);
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if (g_strcmp0 (wp_endpoint_stream_get_name (WP_ENDPOINT_STREAM (stream)),
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stream_name) == 0) {
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*stream_id = wp_proxy_get_bound_id (stream);
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break;
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}
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if (*stream_id == SPA_ID_INVALID)
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*stream_id = wp_proxy_get_bound_id (stream);
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g_value_unset (&stream_val);
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}
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g_autoptr (WpEndpointStream) stream = stream_name ?
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wp_endpoint_lookup_stream (target,
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WP_CONSTRAINT_TYPE_G_PROPERTY, "name", "=s", stream_name, NULL) :
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wp_endpoint_lookup_stream (target, NULL);
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*stream_id = stream ?
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wp_proxy_get_bound_id (WP_PROXY (stream)) : SPA_ID_INVALID;
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}
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return g_steal_pointer (&target);
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@ -18,7 +18,6 @@ G_BEGIN_DECLS
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struct WpParserEndpointLinkEndpointData {
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char *name;
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char *media_class;
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guint direction;
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WpProperties *props;
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};
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