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adapter: add adapter.port-config option

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It takes a JSON POD description of the PortConfig parameter and sets it
on the node. This can be used to configure the ports of the adapter node
directly.
This commit is contained in:
Wim Taymans 2022-01-18 10:38:34 +01:00
parent 5ebbe09371
commit 4dcb4f7526
1 changed files with 28 additions and 0 deletions
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28
src/modules/module-adapter/adapter.c
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@ -40,8 +40,11 @@
#include <spa/param/format.h>
#include <spa/param/format-utils.h>
#include <spa/debug/types.h>
#include <spa/debug/pod.h>
#include <spa/utils/json-pod.h>
#include "pipewire/pipewire.h"
#include "pipewire/private.h"
#include "modules/spa/spa-node.h"
@ -201,6 +204,27 @@ static int find_format(struct pw_impl_node *node, enum pw_direction direction,
return 0;
}
static int autoconfigure(struct node *n, const char *mode_str)
{
char buf[4096];
struct spa_pod_builder b = { 0, };
int res;
const struct spa_type_info *info;
struct spa_pod *param;
info = spa_debug_type_find(spa_type_param, SPA_PARAM_PortConfig);
spa_pod_builder_init(&b, buf, sizeof(buf));
res = spa_json_to_pod(&b, 0, info, mode_str, strlen(mode_str));
if (res < 0)
return res;
if ((param = spa_pod_builder_deref(&b, 0)) == NULL)
return -EINVAL;
pw_impl_node_set_param(n->node, SPA_PARAM_PortConfig, 0, param);
return 0;
}
struct pw_impl_node *pw_adapter_new(struct pw_context *context,
struct pw_impl_node *follower,
@ -298,6 +322,10 @@ struct pw_impl_node *pw_adapter_new(struct pw_context *context,
pw_impl_node_add_listener(node, &n->node_listener, &node_events, n);
if ((str = pw_properties_get(props, "adapter.port-config")) != NULL)
if ((res = autoconfigure(n, str)) < 0)
pw_log_error("can't autoconfigure: %s", spa_strerror(res));
return node;
error: