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spa: add some latency helpers

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Add more fields to the latency object.
Add methods to create, parse and process latency info.
This commit is contained in:
Wim Taymans 2021-05-24 18:01:19 +02:00
parent 0779862cda
commit b9b89b92b2
15 changed files with 245 additions and 145 deletions
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13
spa/plugins/alsa/alsa-seq-bridge.c
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@ -36,6 +36,7 @@
#include <spa/utils/list.h>
#include <spa/monitor/device.h>
#include <spa/param/audio/format.h>
#include <spa/param/latency-utils.h>
#include <spa/pod/filter.h>
#define NAME "alsa-bridge"
@ -578,13 +579,13 @@ impl_node_port_enum_params(void *object, int seq,
case SPA_PARAM_Latency:
switch (result.index) {
case 0:
param = spa_pod_builder_add_object(&b,
SPA_TYPE_OBJECT_ParamLatency, id,
SPA_PARAM_LATENCY_direction, SPA_POD_Id(direction),
SPA_PARAM_LATENCY_quantum, SPA_POD_Float(1.0f),
SPA_PARAM_LATENCY_min, SPA_POD_Int(0),
SPA_PARAM_LATENCY_max, SPA_POD_Int(0));
{
struct spa_latency_info info = {
.direction = direction,
.min_quantum = 1.0f, .max_quantum = 1.0f };
param = spa_latency_build(&b, id, &info);
break;
}
default:
return 0;
}