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node: add xrun callback

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Let alsa emit xrun callbacks.
Write the xrun stats to the activation area of the node so all
clients can read it.
This commit is contained in:
Wim Taymans 2019-08-22 13:23:48 +02:00
parent 570575f052
commit 6ad4adc194
8 changed files with 80 additions and 15 deletions
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4
src/pipewire/private.h
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@ -364,6 +364,10 @@ struct pw_node_activation {
struct pw_node_activation_state state[2]; /* one current state and one next state,
* as low bit of version in position */
float cpu_load[3]; /* averaged over short, medium, long time */
uint32_t xrun_count; /* number of xruns */
uint64_t xrun_time; /* time of last xrun in microseconds */
uint64_t xrun_delay; /* delay of last xrun in microseconds */
uint64_t max_delay; /* max of all xruns in microseconds */
};
#define pw_node_emit(o,m,v,...) spa_hook_list_call(&o->listener_list, struct pw_node_events, m, v, ##__VA_ARGS__)