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node: add better node autolink

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Add node media, category and role properties and use those to select
the target node.
Tag the DSP node with the right media.class
This commit is contained in:
Wim Taymans 2018-04-12 09:52:15 +02:00
parent bd27b32c39
commit 10fff4b2f8
6 changed files with 166 additions and 55 deletions
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8
src/pipewire/node.h
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@ -91,6 +91,14 @@ struct pw_node_events {
void (*finish) (void *data);
};
/** Media type of the node, Audio, Video */
#define PW_NODE_PROP_MEDIA "pipewire.media"
/** Category: Playback, Capture, Duplex */
#define PW_NODE_PROP_CATEGORY "pipewire.category"
/** Role: Movie, Music, Camera, Screen, Chat, Game, Speech, DSP */
#define PW_NODE_PROP_ROLE "pipewire.role"
/** exclusive access to device */
#define PW_NODE_PROP_EXCLUSIVE "pipewire.exclusive"
/** Automatically connect this node to a compatible node */
#define PW_NODE_PROP_AUTOCONNECT "pipewire.autoconnect"
/** Try to connect the node to this node id */