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alsa: give capture stream highest priority

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Make sure we always make the capture device a master. We would prefer
to only do resampling on the sinks when we need to.
This commit is contained in:
Wim Taymans 2019-10-24 11:06:37 +02:00
parent 3c9aa2e96c
commit b74080ea55
1 changed files with 6 additions and 5 deletions
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11
src/examples/media-session/alsa-monitor.c
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@ -110,7 +110,7 @@ static struct alsa_node *alsa_create_node(struct alsa_object *obj, uint32_t id,
struct monitor *monitor = obj->monitor;
struct impl *impl = monitor->impl;
int res;
const char *dev, *subdev;
const char *dev, *subdev, *stream;
int priority;
pw_log_debug("new node %u", id);
@ -136,6 +136,8 @@ static struct alsa_node *alsa_create_node(struct alsa_object *obj, uint32_t id,
dev = "0";
if ((subdev = pw_properties_get(node->props, SPA_KEY_API_ALSA_PCM_SUBDEVICE)) == NULL)
subdev = "0";
if ((stream = pw_properties_get(node->props, SPA_KEY_API_ALSA_PCM_STREAM)) == NULL)
stream = "unknown";
if (obj->first) {
if (atol(dev) != 0)
@ -144,6 +146,8 @@ static struct alsa_node *alsa_create_node(struct alsa_object *obj, uint32_t id,
}
priority = obj->priority;
if (!strcmp(stream, "capture"))
priority += 1000;
priority -= atol(dev) * 16;
priority -= atol(subdev);
@ -153,12 +157,9 @@ static struct alsa_node *alsa_create_node(struct alsa_object *obj, uint32_t id,
}
if (pw_properties_get(node->props, SPA_KEY_NODE_NAME) == NULL) {
const char *devname, *stream;
const char *devname;
if ((devname = pw_properties_get(obj->props, SPA_KEY_DEVICE_NAME)) == NULL)
devname = "unknown";
if ((stream = pw_properties_get(node->props, SPA_KEY_API_ALSA_PCM_STREAM)) == NULL)
stream = "unknown";
pw_properties_setf(node->props, SPA_KEY_NODE_NAME, "%s.%s.%s.%s",
devname, stream, dev, subdev);
}