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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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12
src/modules/module-audio-dsp.c
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@ -741,7 +741,15 @@ static struct pw_node *make_node(struct impl *impl, const struct pw_properties *
if ((alias = pw_properties_get(props, "alsa.card")) == NULL)
goto error;
node = pw_node_new(impl->core, node_name, NULL, sizeof(struct node));
node = pw_node_new(impl->core, node_name,
pw_properties_new(
"alsa.card", alias,
"media.class",
direction == PW_DIRECTION_OUTPUT ?
"Audio/DSP/Playback" :
"Audio/DSP/Capture",
NULL),
sizeof(struct node));
if (node == NULL)
goto error;
@ -815,7 +823,7 @@ static int on_global(void *data, struct pw_global *global)
if ((str = pw_properties_get(properties, "media.class")) == NULL)
return 0;
if (strcmp(str, "Audio/Sink") == 0 || strcmp(str, "Audio/Mixer") == 0) {
if (strcmp(str, "Audio/Sink") == 0) {
if ((ip = pw_node_get_free_port(n, PW_DIRECTION_INPUT)) == NULL)
return 0;
if ((node = make_node(impl, properties, PW_DIRECTION_OUTPUT)) == NULL)