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policy-node: use the daemon samplerate

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Use the samplerate of the daemon to configure the nodes.
This commit is contained in:
Wim Taymans 2020-01-09 15:52:53 +01:00
parent 852ac043d3
commit b99074879f
3 changed files with 39 additions and 4 deletions
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24
src/examples/media-session/policy-node.c
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@ -43,9 +43,6 @@
#define NAME "policy-node"
#define SESSION_KEY "policy-node"
#define DEFAULT_CHANNELS 2
#define DEFAULT_SAMPLERATE 48000
#define DEFAULT_IDLE_SECONDS 3
struct impl {
@ -56,6 +53,8 @@ struct impl {
struct pw_context *context;
uint32_t sample_rate;
struct spa_list node_list;
int seq;
};
@ -123,7 +122,7 @@ static int activate_node(struct node *node)
if (node->format.info.raw.channels < info.info.raw.channels)
node->format = info;
}
node->format.info.raw.rate = 48000;
node->format.info.raw.rate = impl->sample_rate;
spa_pod_builder_init(&b, buf, sizeof(buf));
param = spa_format_audio_raw_build(&b, SPA_PARAM_Format, &node->format.info.raw);
@ -489,6 +488,20 @@ do_link:
return 1;
}
static void session_info(void *data, const struct pw_core_info *info)
{
struct impl *impl = data;
if (info && (info->change_mask & PW_CORE_CHANGE_MASK_PROPS)) {
const char *str;
if ((str = spa_dict_lookup(info->props, "default.clock.rate")) != NULL)
impl->sample_rate = atoi(str);
pw_log_debug(NAME" %p: props changed sample_rate:%d", impl, impl->sample_rate);
}
}
static void session_rescan(void *data, int seq)
{
struct impl *impl = data;
@ -510,6 +523,7 @@ static void session_destroy(void *data)
static const struct sm_media_session_events session_events = {
SM_VERSION_MEDIA_SESSION_EVENTS,
.info = session_info,
.create = session_create,
.remove = session_remove,
.rescan = session_rescan,
@ -527,6 +541,8 @@ int sm_policy_node_start(struct sm_media_session *session)
impl->session = session;
impl->context = session->context;
impl->sample_rate = 48000;
spa_list_init(&impl->node_list);
sm_media_session_add_listener(impl->session, &impl->listener, &session_events, impl);